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authorJordan Augé <jordan.auge+fdio@cisco.com>2019-07-26 23:20:30 +0200
committerMauro Sardara <msardara@cisco.com>2019-07-29 17:13:35 +0200
commit0a1c6b5565e20167d1f1f33a5a8b597f420b18b0 (patch)
tree98c5da8f231fbd3dc2ce6502040e29c8333d9ffc /hicn-light
parent05ca0aa8f612ee48fb66d4dbebe596b7f1e03181 (diff)
[HICN-252] Add per-application policy framework to hicn-light forwarder
Change-Id: I0531cd7a7de179581295ae34766c81cd9cf3e172 Signed-off-by: Jordan Augé <jordan.auge+fdio@cisco.com> Signed-off-by: Mauro Sardara <msardara@cisco.com> Co-authored-by: Mauro Sardara <msardara@cisco.com>
Diffstat (limited to 'hicn-light')
-rw-r--r--hicn-light/CMakeLists.txt3
-rw-r--r--hicn-light/src/hicn/CMakeLists.txt25
-rw-r--r--hicn-light/src/hicn/command_line/controller/CMakeLists.txt1
-rw-r--r--hicn-light/src/hicn/command_line/controller/hicnLightControl_main.c12
-rw-r--r--hicn-light/src/hicn/command_line/daemon/CMakeLists.txt3
-rw-r--r--hicn-light/src/hicn/config/CMakeLists.txt12
-rw-r--r--hicn-light/src/hicn/config/configuration.c194
-rw-r--r--hicn-light/src/hicn/config/controlAdd.c16
-rw-r--r--hicn-light/src/hicn/config/controlAddPolicy.c175
-rw-r--r--hicn-light/src/hicn/config/controlAddPolicy.h35
-rw-r--r--hicn-light/src/hicn/config/controlAddPunting.c6
-rw-r--r--hicn-light/src/hicn/config/controlAddRoute.c6
-rw-r--r--hicn-light/src/hicn/config/controlList.c16
-rw-r--r--hicn-light/src/hicn/config/controlListConnections.c21
-rw-r--r--hicn-light/src/hicn/config/controlListPolicies.c240
-rw-r--r--hicn-light/src/hicn/config/controlListPolicies.h34
-rw-r--r--hicn-light/src/hicn/config/controlRemove.c16
-rw-r--r--hicn-light/src/hicn/config/controlRemovePolicy.c139
-rw-r--r--hicn-light/src/hicn/config/controlRemovePolicy.h36
-rw-r--r--hicn-light/src/hicn/config/controlRemoveRoute.c6
-rw-r--r--hicn-light/src/hicn/config/controlRoot.c18
-rw-r--r--hicn-light/src/hicn/config/controlSetStrategy.c8
-rw-r--r--hicn-light/src/hicn/config/controlUpdate.c95
-rw-r--r--hicn-light/src/hicn/config/controlUpdate.h35
-rw-r--r--hicn-light/src/hicn/config/controlUpdateConnection.c145
-rw-r--r--hicn-light/src/hicn/config/controlUpdateConnection.h35
-rw-r--r--hicn-light/src/hicn/core/connection.c46
-rw-r--r--hicn-light/src/hicn/core/connection.h24
-rw-r--r--hicn-light/src/hicn/core/connectionTable.c2
-rw-r--r--hicn-light/src/hicn/core/connectionTable.h2
-rw-r--r--hicn-light/src/hicn/core/forwarder.c42
-rw-r--r--hicn-light/src/hicn/core/forwarder.h38
-rw-r--r--hicn-light/src/hicn/core/mapMe.c210
-rw-r--r--hicn-light/src/hicn/core/mapMe.h17
-rw-r--r--hicn-light/src/hicn/core/message.c1
-rw-r--r--hicn-light/src/hicn/core/messageHandler.h73
-rw-r--r--hicn-light/src/hicn/core/name.c6
-rw-r--r--hicn-light/src/hicn/core/name.h4
-rw-r--r--hicn-light/src/hicn/io/hicnConnection.c2
-rw-r--r--hicn-light/src/hicn/io/hicnListener.c281
-rw-r--r--hicn-light/src/hicn/io/listener.h5
-rw-r--r--hicn-light/src/hicn/io/udpListener.c146
-rw-r--r--hicn-light/src/hicn/processor/fib.c117
-rw-r--r--hicn-light/src/hicn/processor/fib.h4
-rw-r--r--hicn-light/src/hicn/processor/fibEntry.c689
-rw-r--r--hicn-light/src/hicn/processor/fibEntry.h44
-rw-r--r--hicn-light/src/hicn/processor/messageProcessor.c161
-rw-r--r--hicn-light/src/hicn/processor/messageProcessor.h43
-rw-r--r--hicn-light/src/hicn/processor/pitStandard.c4
-rw-r--r--hicn-light/src/hicn/processor/pitVerdict.h4
-rw-r--r--hicn-light/src/hicn/socket/api.c7
-rw-r--r--hicn-light/src/hicn/socket/api.h11
-rw-r--r--hicn-light/src/hicn/socket/error.h1
-rw-r--r--hicn-light/src/hicn/socket/ops_linux.c62
-rw-r--r--hicn-light/src/hicn/strategies/loadBalancer.c75
-rw-r--r--hicn-light/src/hicn/strategies/loadBalancer.h1
-rw-r--r--hicn-light/src/hicn/strategies/loadBalancerWithPD.c110
-rw-r--r--hicn-light/src/hicn/strategies/loadBalancerWithPD.h7
-rw-r--r--hicn-light/src/hicn/strategies/nexthopState.c6
-rw-r--r--hicn-light/src/hicn/strategies/rnd.c40
-rw-r--r--hicn-light/src/hicn/strategies/rnd.h1
-rw-r--r--hicn-light/src/hicn/strategies/rndSegment.c22
-rw-r--r--hicn-light/src/hicn/strategies/rndSegment.h3
-rw-r--r--hicn-light/src/hicn/strategies/strategyImpl.h6
-rw-r--r--hicn-light/src/hicn/utils/CMakeLists.txt3
-rw-r--r--hicn-light/src/hicn/utils/commands.h51
-rw-r--r--hicn-light/src/hicn/utils/policy.c59
-rw-r--r--hicn-light/src/hicn/utils/policy.h232
-rw-r--r--hicn-light/src/hicn/utils/token.h40
69 files changed, 3526 insertions, 508 deletions
diff --git a/hicn-light/CMakeLists.txt b/hicn-light/CMakeLists.txt
index 5637c1dbb..31d189a3b 100644
--- a/hicn-light/CMakeLists.txt
+++ b/hicn-light/CMakeLists.txt
@@ -54,7 +54,6 @@ find_package_wrapper(Libparc REQUIRED)
if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
find_package_wrapper(Libhicn REQUIRED)
- find_package_wrapper(Libparc REQUIRED)
set(HICN_LIGHT hicn-light)
set(HICN_LIGHT_CONTROL ${HICN_LIGHT}-control)
set(HICN_LIGHT_DAEMON ${HICN_LIGHT}-daemon)
@@ -108,4 +107,4 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")
message(STATUS "Set \"-undefined dynamic_lookup\" for shared libraries")
endif()
-add_subdirectory(src/hicn) \ No newline at end of file
+add_subdirectory(src/hicn)
diff --git a/hicn-light/src/hicn/CMakeLists.txt b/hicn-light/src/hicn/CMakeLists.txt
index a9861c32d..0f711e353 100644
--- a/hicn-light/src/hicn/CMakeLists.txt
+++ b/hicn-light/src/hicn/CMakeLists.txt
@@ -3,6 +3,18 @@
include(BuildMacros)
configure_file(config.h.in hicn-light/config.h @ONLY)
+if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux" AND ENABLE_PUNTING)
+ list(APPEND COMPILER_DEFINITIONS
+ "-DPUNTING"
+ )
+endif()
+
+list(APPEND COMPILER_DEFINITIONS
+ "-DWITH_MAPME"
+ "-DWITH_POLICY"
+)
+
+
if(NOT ANDROID_API AND NOT COMPILE_FOR_IOS)
add_subdirectory(command_line)
endif ()
@@ -22,16 +34,6 @@ list(APPEND HEADER_FILES
${CMAKE_CURRENT_BINARY_DIR}/hicn-light/config.h
)
-if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux" AND ENABLE_PUNTING)
- list(APPEND COMPILER_DEFINITIONS
- "-DPUNTING"
- )
-endif()
-
-list(APPEND COMPILER_DEFINITIONS
- "-DWITH_MAPME -DWITH_MAPME_FIXES"
-)
-
list(INSERT HICN_LIGHT_INCLUDE_DIRS 0
${CMAKE_CURRENT_SOURCE_DIR}/..
${CMAKE_CURRENT_BINARY_DIR}/..
@@ -41,6 +43,9 @@ list(APPEND TO_INSTALL_HEADER_FILES
${CMAKE_CURRENT_BINARY_DIR}/hicn-light/config.h
)
+set(TO_INSTALL_HEADER_FILES
+)
+
if (ANDROID_API)
build_library(${LIBHICN_LIGHT}
STATIC
diff --git a/hicn-light/src/hicn/command_line/controller/CMakeLists.txt b/hicn-light/src/hicn/command_line/controller/CMakeLists.txt
index c0a584dae..405654052 100644
--- a/hicn-light/src/hicn/command_line/controller/CMakeLists.txt
+++ b/hicn-light/src/hicn/command_line/controller/CMakeLists.txt
@@ -20,4 +20,5 @@ build_executable(${HICN_LIGHT_CONTROL}
LINK_LIBRARIES ${HICN_LIGHT_LINK_LIBRARIES}
DEPENDS ${LIBHICN_LIGHT_STATIC}
COMPONENT ${HICN_LIGHT}
+ DEFINITIONS ${COMPILER_DEFINITIONS}
)
diff --git a/hicn-light/src/hicn/command_line/controller/hicnLightControl_main.c b/hicn-light/src/hicn/command_line/controller/hicnLightControl_main.c
index 8cbccde34..f704d237e 100644
--- a/hicn-light/src/hicn/command_line/controller/hicnLightControl_main.c
+++ b/hicn-light/src/hicn/command_line/controller/hicnLightControl_main.c
@@ -74,7 +74,15 @@ static int payloadLengthController[LAST_COMMAND_VALUE] = {
sizeof(mapme_activator_command),
sizeof(mapme_activator_command),
sizeof(mapme_timing_command),
- sizeof(mapme_timing_command)};
+ sizeof(mapme_timing_command),
+ sizeof(connection_set_admin_state_command),
+#ifdef WITH_POLICY
+ sizeof(add_policy_command),
+ sizeof(list_policies_command),
+ sizeof(remove_policy_command),
+ sizeof(update_connection_command),
+#endif
+};
typedef struct controller_main_state {
ControlState *controlState;
@@ -320,9 +328,11 @@ int main(int argc, char *argv[]) {
char **commandOutputMain =
controlState_GetCommandOutput(mainState.controlState);
if (commandOutputMain != NULL && commandOutputLen > 0) {
+#if 0
for (size_t j = 0; j < commandOutputLen; j++) {
printf("Output %zu: %s \n", j, commandOutputMain[j]);
}
+#endif
controlState_ReleaseCommandOutput(mainState.controlState,
commandOutputMain, commandOutputLen);
}
diff --git a/hicn-light/src/hicn/command_line/daemon/CMakeLists.txt b/hicn-light/src/hicn/command_line/daemon/CMakeLists.txt
index ca8c02ef0..ff9d31ebc 100644
--- a/hicn-light/src/hicn/command_line/daemon/CMakeLists.txt
+++ b/hicn-light/src/hicn/command_line/daemon/CMakeLists.txt
@@ -20,4 +20,5 @@ build_executable(${HICN_LIGHT_DAEMON}
LINK_LIBRARIES ${HICN_LIGHT_LINK_LIBRARIES}
DEPENDS ${LIBHICN_LIGHT_STATIC}
COMPONENT ${HICN_LIGHT}
-) \ No newline at end of file
+ DEFINITIONS ${COMPILER_DEFINITIONS}
+)
diff --git a/hicn-light/src/hicn/config/CMakeLists.txt b/hicn-light/src/hicn/config/CMakeLists.txt
index 5ce680bfc..b1e475aee 100644
--- a/hicn-light/src/hicn/config/CMakeLists.txt
+++ b/hicn-light/src/hicn/config/CMakeLists.txt
@@ -26,15 +26,18 @@ list(APPEND HEADER_FILES
${CMAKE_CURRENT_SOURCE_DIR}/configurationFile.h
${CMAKE_CURRENT_SOURCE_DIR}/configurationListeners.h
${CMAKE_CURRENT_SOURCE_DIR}/controlAddRoute.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/controlAddPolicy.h
${CMAKE_CURRENT_SOURCE_DIR}/controlAddListener.h
${CMAKE_CURRENT_SOURCE_DIR}/controlListConnections.h
${CMAKE_CURRENT_SOURCE_DIR}/controlList.h
${CMAKE_CURRENT_SOURCE_DIR}/controlListListeners.h
${CMAKE_CURRENT_SOURCE_DIR}/controlListRoutes.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/controlListPolicies.h
${CMAKE_CURRENT_SOURCE_DIR}/controlQuit.h
${CMAKE_CURRENT_SOURCE_DIR}/controlRemove.h
${CMAKE_CURRENT_SOURCE_DIR}/controlRemoveConnection.h
${CMAKE_CURRENT_SOURCE_DIR}/controlRemoveRoute.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/controlRemovePolicy.h
${CMAKE_CURRENT_SOURCE_DIR}/controlSet.h
${CMAKE_CURRENT_SOURCE_DIR}/controlUnset.h
${CMAKE_CURRENT_SOURCE_DIR}/controlSetDebug.h
@@ -51,6 +54,8 @@ list(APPEND HEADER_FILES
${CMAKE_CURRENT_SOURCE_DIR}/controlSetWldr.h
${CMAKE_CURRENT_SOURCE_DIR}/controlAddPunting.h
${CMAKE_CURRENT_SOURCE_DIR}/controlRemovePunting.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/controlUpdate.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/controlUpdateConnection.h
)
list(APPEND SOURCE_FILES
@@ -64,15 +69,18 @@ list(APPEND SOURCE_FILES
${CMAKE_CURRENT_SOURCE_DIR}/controlAdd.c
${CMAKE_CURRENT_SOURCE_DIR}/controlAddConnection.c
${CMAKE_CURRENT_SOURCE_DIR}/controlAddRoute.c
+ ${CMAKE_CURRENT_SOURCE_DIR}/controlAddPolicy.c
${CMAKE_CURRENT_SOURCE_DIR}/controlAddListener.c
${CMAKE_CURRENT_SOURCE_DIR}/controlList.c
${CMAKE_CURRENT_SOURCE_DIR}/controlListConnections.c
${CMAKE_CURRENT_SOURCE_DIR}/controlListListeners.c
${CMAKE_CURRENT_SOURCE_DIR}/controlListRoutes.c
+ ${CMAKE_CURRENT_SOURCE_DIR}/controlListPolicies.c
${CMAKE_CURRENT_SOURCE_DIR}/controlQuit.c
${CMAKE_CURRENT_SOURCE_DIR}/controlRemove.c
${CMAKE_CURRENT_SOURCE_DIR}/controlRemoveConnection.c
${CMAKE_CURRENT_SOURCE_DIR}/controlRemoveRoute.c
+ ${CMAKE_CURRENT_SOURCE_DIR}/controlRemovePolicy.c
${CMAKE_CURRENT_SOURCE_DIR}/controlRoot.c
${CMAKE_CURRENT_SOURCE_DIR}/controlSet.c
${CMAKE_CURRENT_SOURCE_DIR}/controlSetDebug.c
@@ -91,7 +99,9 @@ list(APPEND SOURCE_FILES
${CMAKE_CURRENT_SOURCE_DIR}/controlSetWldr.c
${CMAKE_CURRENT_SOURCE_DIR}/controlAddPunting.c
${CMAKE_CURRENT_SOURCE_DIR}/controlRemovePunting.c
+ ${CMAKE_CURRENT_SOURCE_DIR}/controlUpdate.c
+ ${CMAKE_CURRENT_SOURCE_DIR}/controlUpdateConnection.c
)
set(SOURCE_FILES ${SOURCE_FILES} PARENT_SCOPE)
-set(HEADER_FILES ${HEADER_FILES} PARENT_SCOPE) \ No newline at end of file
+set(HEADER_FILES ${HEADER_FILES} PARENT_SCOPE)
diff --git a/hicn-light/src/hicn/config/configuration.c b/hicn-light/src/hicn/config/configuration.c
index 07120f95b..182c2fdc1 100644
--- a/hicn-light/src/hicn/config/configuration.c
+++ b/hicn-light/src/hicn/config/configuration.c
@@ -356,8 +356,8 @@ struct iovec *configuration_ProcessCreateTunnel(Configuration *config,
add_connection_command *control = request[1].iov_base;
bool success = false;
- bool exists = true;
+ Connection *conn;
const char *symbolicName = control->symbolic;
Address *source = NULL;
@@ -379,18 +379,15 @@ struct iovec *configuration_ProcessCreateTunnel(Configuration *config,
}
AddressPair *pair = addressPair_Create(source, destination);
- const Connection *conn = connectionTable_FindByAddressPair(
+ conn = (Connection *)connectionTable_FindByAddressPair(
forwarder_GetConnectionTable(config->forwarder), pair);
addressPair_Release(&pair);
-
- if (conn == NULL) {
- // the connection does not exists (even without a name)
- exists = false;
- }
+ } else {
+ conn = NULL;
}
- if (!exists) {
+ if (!conn) {
IoOperations *ops = NULL;
switch (control->connectionType) {
case TCP_CONN:
@@ -420,6 +417,9 @@ struct iovec *configuration_ProcessCreateTunnel(Configuration *config,
if (ops != NULL) {
Connection *conn = connection_Create(ops);
+#ifdef WITH_POLICY
+ connection_SetTags(conn, control->tags);
+#endif /* WITH_POLICY */
connection_SetAdminState(conn, control->admin_state);
@@ -428,6 +428,11 @@ struct iovec *configuration_ProcessCreateTunnel(Configuration *config,
symbolicNameTable_Add(config->symbolicNameTable, symbolicName,
connection_GetConnectionId(conn));
+#ifdef WITH_MAPME
+ /* Hook: new connection created through the control protocol */
+ forwarder_onConnectionEvent(config->forwarder, conn, CONNECTION_EVENT_CREATE);
+#endif /* WITH_MAPME */
+
success = true;
} else {
@@ -435,23 +440,31 @@ struct iovec *configuration_ProcessCreateTunnel(Configuration *config,
}
} else {
- printf("failed, symbolic name or connextion already exist\n");
- }
+#ifdef WITH_POLICY
+ connection_SetTags(conn, control->tags);
+ connection_SetAdminState(conn, control->admin_state);
- addressDestroy(&source);
- addressDestroy(&destination);
+#ifdef WITH_MAPME
+ /* Hook: new connection created through the control protocol */
+ forwarder_onConnectionEvent(config->forwarder, conn, CONNECTION_EVENT_UPDATE);
+#endif /* WITH_MAPME */
- // generate ACK/NACK
- struct iovec *response;
+ success = true;
+#else
+ printf("failed, symbolic name or connection already exist\n");
+#endif /* WITH_POLICY */
+ }
+
+ if (source)
+ addressDestroy(&source);
+ if (destination)
+ addressDestroy(&destination);
if (success) { // ACK
- response = utils_CreateAck(header, control, sizeof(add_connection_command));
+ return utils_CreateAck(header, control, sizeof(add_connection_command));
} else { // NACK
- response =
- utils_CreateNack(header, control, sizeof(add_connection_command));
+ return utils_CreateNack(header, control, sizeof(add_connection_command));
}
-
- return response;
}
/**
@@ -479,6 +492,12 @@ struct iovec *configuration_ProcessRemoveTunnel(Configuration *config,
if (strcmp(symbolicOrConnid, "SELF") == 0) {
forwarder_RemoveConnectionIdFromRoutes(config->forwarder, ingressId);
connectionTable_RemoveById(table, ingressId);
+
+#ifdef WITH_MAPME
+ /* Hook: new connection created through the control protocol */
+ forwarder_onConnectionEvent(config->forwarder, NULL, CONNECTION_EVENT_DELETE);
+#endif /* WITH_MAPME */
+
success = true;
} else if (utils_IsNumber(symbolicOrConnid)) {
// case for connid as input
@@ -492,6 +511,11 @@ struct iovec *configuration_ProcessRemoveTunnel(Configuration *config,
// remove connection
connectionTable_RemoveById(table, connid);
+#ifdef WITH_MAPME
+ /* Hook: new connection created through the control protocol */
+ forwarder_onConnectionEvent(config->forwarder, NULL, CONNECTION_EVENT_DELETE);
+#endif /* WITH_MAPME */
+
success = true;
} else {
logger_Log(forwarder_GetLogger(config->forwarder), LoggerFacility_IO,
@@ -520,6 +544,12 @@ struct iovec *configuration_ProcessRemoveTunnel(Configuration *config,
connectionTable_RemoveById(table, connid);
// remove connection from symbolicNameTable since we have symbolic input
symbolicNameTable_Remove(config->symbolicNameTable, symbolicOrConnid);
+
+#ifdef WITH_MAPME
+ /* Hook: new connection created through the control protocol */
+ forwarder_onConnectionEvent(config->forwarder, NULL, CONNECTION_EVENT_DELETE);
+#endif /* WITH_MAPME */
+
success = true; // to write
} else {
if (logger_IsLoggable(config->logger, LoggerFacility_Config,
@@ -580,6 +610,10 @@ struct iovec *configuration_ProcessConnectionList(Configuration *config,
listConnectionsCommand->connectionData.admin_state = connection_GetAdminState(original);
+#ifdef WITH_POLICY
+ listConnectionsCommand->connectionData.tags = connection_GetTags(original);
+#endif /* WITH_POLICY */
+
if (addressGetType(localAddress) == ADDR_INET &&
addressGetType(remoteAddress) == ADDR_INET) {
listConnectionsCommand->connectionData.ipType = ADDR_INET;
@@ -1017,15 +1051,119 @@ struct iovec *configuration_ConnectionSetAdminState(Configuration *config,
header_control_message *header = request[0].iov_base;
connection_set_admin_state_command *control = request[1].iov_base;
+ if ((control->admin_state != CONNECTION_STATE_UP) && (control->admin_state != CONNECTION_STATE_DOWN))
+ return utils_CreateNack(header, control, sizeof(connection_set_admin_state_command));
+
Connection * conn = getConnectionBySymbolicOrId(config, control->symbolicOrConnid);
if (!conn)
return utils_CreateNack(header, control, sizeof(connection_set_admin_state_command));
connection_SetAdminState(conn, control->admin_state);
+#ifdef WITH_MAPME
+ /* Hook: new connection created through the control protocol */
+ forwarder_onConnectionEvent(config->forwarder, conn,
+ control->admin_state == CONNECTION_STATE_UP
+ ? CONNECTION_EVENT_SET_UP
+ : CONNECTION_EVENT_SET_DOWN);
+#endif /* WITH_MAPME */
+
return utils_CreateAck(header, control, sizeof(connection_set_admin_state_command));
}
+#ifdef WITH_POLICY
+struct iovec *configuration_ProcessPolicyAdd(Configuration *config,
+ struct iovec *request) {
+ header_control_message *header = request[0].iov_base;
+ add_policy_command *control = request[1].iov_base;
+
+ if (forwarder_AddOrUpdatePolicy(config->forwarder, control)) {
+ return utils_CreateAck(header, control, sizeof(add_policy_command));
+ } else {
+ return utils_CreateNack(header, control, sizeof(add_policy_command));
+ }
+}
+
+struct iovec *configuration_ProcessPolicyList(Configuration *config,
+ struct iovec *request) {
+ FibEntryList *fibList = forwarder_GetFibEntries(config->forwarder);
+
+ size_t payloadSize = fibEntryList_Length(fibList);
+ struct sockaddr_in tmpAddr;
+ struct sockaddr_in6 tmpAddr6;
+
+ // allocate payload, cast from void* to uint8_t* = bytes granularity
+ uint8_t *payloadResponse =
+ parcMemory_AllocateAndClear(sizeof(list_policies_command) * payloadSize);
+
+ for (size_t i = 0; i < fibEntryList_Length(fibList); i++) {
+ FibEntry *entry = (FibEntry *)fibEntryList_Get(fibList, i);
+ NameBitvector *prefix = name_GetContentName(fibEntry_GetPrefix(entry));
+
+ list_policies_command *listPoliciesCommand =
+ (list_policies_command *)(payloadResponse +
+ (i * sizeof(list_policies_command)));
+
+ Address *addressEntry = nameBitvector_ToAddress(prefix);
+ if (addressGetType(addressEntry) == ADDR_INET) {
+ addressGetInet(addressEntry, &tmpAddr);
+ listPoliciesCommand->addressType = ADDR_INET;
+ listPoliciesCommand->address.ipv4 = tmpAddr.sin_addr.s_addr;
+ } else if (addressGetType(addressEntry) == ADDR_INET6) {
+ addressGetInet6(addressEntry, &tmpAddr6);
+ listPoliciesCommand->addressType = ADDR_INET6;
+ listPoliciesCommand->address.ipv6 = tmpAddr6.sin6_addr;
+ }
+ listPoliciesCommand->len = nameBitvector_GetLength(prefix);
+ listPoliciesCommand->policy = fibEntry_GetPolicy(entry);
+
+ addressDestroy(&addressEntry);
+ }
+
+ // send response
+ header_control_message *header = request[0].iov_base;
+ header->messageType = RESPONSE_LIGHT;
+ header->length = (unsigned)payloadSize;
+
+ struct iovec *response =
+ parcMemory_AllocateAndClear(sizeof(struct iovec) * 2);
+
+ response[0].iov_base = header;
+ response[0].iov_len = sizeof(header_control_message);
+ response[1].iov_base = payloadResponse;
+ response[1].iov_len = sizeof(list_policies_command) * payloadSize;
+
+ fibEntryList_Destroy(&fibList);
+ return response;
+}
+
+struct iovec *configuration_ProcessPolicyRemove(Configuration *config,
+ struct iovec *request) {
+ header_control_message *header = request[0].iov_base;
+ remove_policy_command *control = request[1].iov_base;
+
+ if (forwarder_RemovePolicy(config->forwarder, control))
+ return utils_CreateAck(header, control, sizeof(remove_policy_command));
+ else
+ return utils_CreateNack(header, control, sizeof(remove_policy_command));
+}
+
+struct iovec *configuration_UpdateConnection(Configuration *config,
+ struct iovec *request) {
+ header_control_message *header = request[0].iov_base;
+ update_connection_command *control = request[1].iov_base;
+
+ Connection * conn = getConnectionBySymbolicOrId(config, control->symbolicOrConnid);
+ if (!conn)
+ return utils_CreateNack(header, control, sizeof(connection_set_admin_state_command));
+
+ connection_SetTags(conn, control->tags);
+ connection_SetAdminState(conn, control->admin_state);
+
+ return utils_CreateAck(header, control, sizeof(remove_policy_command));
+}
+#endif /* WITH_POLICY */
+
// ===========================
// Main functions that deal with receiving commands, executing them, and sending
// ACK/NACK
@@ -1114,6 +1252,24 @@ struct iovec *configuration_DispatchCommand(Configuration *config,
response = configuration_ConnectionSetAdminState(config, control);
break;
+#ifdef WITH_POLICY
+ case ADD_POLICY:
+ response = configuration_ProcessPolicyAdd(config, control);
+ break;
+
+ case LIST_POLICIES:
+ response = configuration_ProcessPolicyList(config, control);
+ break;
+
+ case REMOVE_POLICY:
+ response = configuration_ProcessPolicyRemove(config, control);
+ break;
+
+ case UPDATE_CONNECTION:
+ response = configuration_UpdateConnection(config, control);
+ break;
+#endif /* WITH_POLICY */
+
default:
break;
}
diff --git a/hicn-light/src/hicn/config/controlAdd.c b/hicn-light/src/hicn/config/controlAdd.c
index 7667f467e..519e11e40 100644
--- a/hicn-light/src/hicn/config/controlAdd.c
+++ b/hicn-light/src/hicn/config/controlAdd.c
@@ -28,6 +28,9 @@
#include <hicn/config/controlAddListener.h>
#include <hicn/config/controlAddPunting.h>
#include <hicn/config/controlAddRoute.h>
+#ifdef WITH_POLICY
+#include <hicn/config/controlAddPolicy.h>
+#endif /* WITH_POLICY */
// ===================================================
@@ -60,18 +63,27 @@ static CommandReturn _controlAdd_HelpExecute(CommandParser *parser,
CommandOps *ops_add_route = controlAddRoute_Create(NULL);
CommandOps *ops_add_punting = controlAddPunting_Create(NULL);
CommandOps *ops_add_listener = controlAddListener_Create(NULL);
+#ifdef WITH_POLICY
+ CommandOps *ops_add_policy = controlAddPolicy_Create(NULL);
+#endif /* WITH_POLICY */
printf("Available commands:\n");
printf(" %s\n", ops_add_connection->command);
printf(" %s\n", ops_add_route->command);
printf(" %s\n", ops_add_punting->command);
printf(" %s\n", ops_add_listener->command);
+#ifdef WITH_POLICIES
+ printf(" %s\n", ops_add_policy->command);
+#endif /* WITH_POLICIES */
printf("\n");
commandOps_Destroy(&ops_add_connection);
commandOps_Destroy(&ops_add_route);
commandOps_Destroy(&ops_add_punting);
commandOps_Destroy(&ops_add_listener);
+#ifdef WITH_POLICY
+ commandOps_Destroy(&ops_add_policy);
+#endif /* WITH_POLICY */
return CommandReturn_Success;
}
@@ -85,6 +97,10 @@ static void _controlAdd_Init(CommandParser *parser, CommandOps *ops) {
controlState_RegisterCommand(state, controlAddRoute_Create(state));
controlState_RegisterCommand(state, controlAddPunting_Create(state));
controlState_RegisterCommand(state, controlAddPunting_HelpCreate(state));
+#ifdef WITH_POLICY
+ controlState_RegisterCommand(state, controlAddPolicy_HelpCreate(state));
+ controlState_RegisterCommand(state, controlAddPolicy_Create(state));
+#endif /* WITH_POLICY */
}
static CommandReturn _controlAdd_Execute(CommandParser *parser, CommandOps *ops,
diff --git a/hicn-light/src/hicn/config/controlAddPolicy.c b/hicn-light/src/hicn/config/controlAddPolicy.c
new file mode 100644
index 000000000..9bca3355e
--- /dev/null
+++ b/hicn-light/src/hicn/config/controlAddPolicy.c
@@ -0,0 +1,175 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef WITH_POLICY
+
+#include <hicn/hicn-light/config.h>
+
+#include <ctype.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <parc/assert/parc_Assert.h>
+
+#include <parc/algol/parc_Memory.h>
+#include <parc/algol/parc_Network.h>
+
+#include <hicn/config/controlAddPolicy.h>
+
+#include <hicn/utils/commands.h>
+#include <hicn/utils/utils.h>
+#include <hicn/utils/token.h>
+
+static CommandReturn _controlAddPolicy_Execute(CommandParser *parser,
+ CommandOps *ops, PARCList *args);
+static CommandReturn _controlAddPolicy_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args);
+
+static const char *_commandAddPolicy = "add policy";
+static const char *_commandAddPolicyHelp = "help add policy";
+
+CommandOps *controlAddPolicy_Create(ControlState *state) {
+ return commandOps_Create(state, _commandAddPolicy, NULL,
+ _controlAddPolicy_Execute, commandOps_Destroy);
+}
+
+CommandOps *controlAddPolicy_HelpCreate(ControlState *state) {
+ return commandOps_Create(state, _commandAddPolicyHelp, NULL,
+ _controlAddPolicy_HelpExecute, commandOps_Destroy);
+}
+
+// ====================================================
+
+static CommandReturn _controlAddPolicy_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args) {
+ printf("commands:\n");
+ printf(" add policy <prefix> <app_name>"
+ #define _(x, y) " FLAG:%s"
+ foreach_policy_tag
+ #undef _
+ "%s",
+ #define _(x, y) policy_tag_str[POLICY_TAG_ ## x],
+ foreach_policy_tag
+ #undef _
+ "\n");
+ printf("\n");
+ printf(
+ " prefix: The hicn name as IPv4 or IPv6 address (e.g 1234::0/64)\n");
+ printf(" app_name: The application name associated to this policy\n");
+ printf(" FLAG:*: A value among [neutral|require|prefer|avoid|prohibit] with an optional '!' character prefix for disabling changes\n");
+ printf("\n");
+ return CommandReturn_Success;
+}
+
+static CommandReturn _controlAddPolicy_Execute(CommandParser *parser,
+ CommandOps *ops, PARCList *args) {
+ ControlState *state = ops->closure;
+
+ if (parcList_Size(args) != 11) {
+ _controlAddPolicy_HelpExecute(parser, ops, args);
+ return CommandReturn_Failure;
+ }
+
+ const char *prefixStr = parcList_GetAtIndex(args, 2);
+ char *addr = (char *)malloc((strlen(prefixStr) + 1) * sizeof(char));
+
+ // separate address and len
+ char *slash;
+ uint32_t len = 0;
+ strcpy(addr, prefixStr);
+ slash = strrchr(addr, '/');
+ if (slash != NULL) {
+ len = atoi(slash + 1);
+ *slash = '\0';
+ }
+
+ // allocate command payload
+ add_policy_command *addPolicyCommand =
+ parcMemory_AllocateAndClear(sizeof(add_policy_command));
+
+ // check and set IP address
+ if (inet_pton(AF_INET, addr, &addPolicyCommand->address.ipv4) == 1) {
+ if (len > 32) {
+ printf("ERROR: exceeded INET mask length, max=32\n");
+ parcMemory_Deallocate(&addPolicyCommand);
+ free(addr);
+ return CommandReturn_Failure;
+ }
+ addPolicyCommand->addressType = ADDR_INET;
+ } else if (inet_pton(AF_INET6, addr, &addPolicyCommand->address.ipv6) == 1) {
+ if (len > 128) {
+ printf("ERROR: exceeded INET6 mask length, max=128\n");
+ parcMemory_Deallocate(&addPolicyCommand);
+ free(addr);
+ return CommandReturn_Failure;
+ }
+ addPolicyCommand->addressType = ADDR_INET6;
+ } else {
+ printf("Error: %s is not a valid network address \n", addr);
+ parcMemory_Deallocate(&addPolicyCommand);
+ free(addr);
+ return CommandReturn_Failure;
+ }
+
+ free(addr);
+
+ addPolicyCommand->len = len;
+
+ policy_t policy;
+ snprintf((char*)policy.app_name, APP_NAME_LEN, "%s", (char*)parcList_GetAtIndex(args, 3));
+ for (int i=4; i < 11; i++) {
+ const char *tag = parcList_GetAtIndex(args, i);
+ policy_tag_state_t tag_state;
+ tag_state.disabled = (tag[0] == '!') ? 1 : 0;
+ if (strcmp(&tag[tag_state.disabled], "neutral") == 0) {
+ tag_state.state = POLICY_STATE_NEUTRAL;
+ } else if (strcmp(&tag[tag_state.disabled], "require") == 0) {
+ tag_state.state = POLICY_STATE_REQUIRE;
+ } else if (strcmp(&tag[tag_state.disabled], "prefer") == 0) {
+ tag_state.state = POLICY_STATE_PREFER;
+ } else if (strcmp(&tag[tag_state.disabled], "avoid") == 0) {
+ tag_state.state = POLICY_STATE_AVOID;
+ } else if (strcmp(&tag[tag_state.disabled], "prohibit") == 0) {
+ tag_state.state = POLICY_STATE_PROHIBIT;
+ } else {
+ printf("ERROR: invalid tag value '%s'\n", tag);
+ parcMemory_Deallocate(&addPolicyCommand);
+ free(addr);
+ return CommandReturn_Failure;
+ }
+
+ policy.tags[i-4] = tag_state;
+
+ }
+
+ addPolicyCommand->policy = policy;
+
+ // send message and receive response
+ struct iovec *response = utils_SendRequest(state, ADD_POLICY, addPolicyCommand,
+ sizeof(add_policy_command));
+
+ if (!response) { // get NULL pointer
+ return CommandReturn_Failure;
+ }
+
+ parcMemory_Deallocate(&response); // free iovec pointer
+ return CommandReturn_Success;
+}
+
+#endif /* WITH_POLICY */
diff --git a/hicn-light/src/hicn/config/controlAddPolicy.h b/hicn-light/src/hicn/config/controlAddPolicy.h
new file mode 100644
index 000000000..273e3a476
--- /dev/null
+++ b/hicn-light/src/hicn/config/controlAddPolicy.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file control_AddPolicy.h
+ * @brief Add a static policy
+ *
+ * Implements the "add policy" node of the CLI tree
+ *
+ */
+
+#ifndef Control_AddPolicy_h
+#define Control_AddPolicy_h
+
+#ifdef WITH_POLICY
+
+#include <hicn/config/controlState.h>
+CommandOps *controlAddPolicy_Create(ControlState *state);
+CommandOps *controlAddPolicy_HelpCreate(ControlState *state);
+
+#endif /* WITH_POLICY */
+
+#endif // Control_AddPolicy_h
diff --git a/hicn-light/src/hicn/config/controlAddPunting.c b/hicn-light/src/hicn/config/controlAddPunting.c
index 61308b33b..ff441f7f0 100644
--- a/hicn-light/src/hicn/config/controlAddPunting.c
+++ b/hicn-light/src/hicn/config/controlAddPunting.c
@@ -104,12 +104,6 @@ static CommandReturn _controlAddPunting_Execute(CommandParser *parser,
*slash = '\0';
}
- if (len == 0) {
- printf("ERROR: a prefix can not be of length 0\n");
- free(addr);
- return CommandReturn_Failure;
- }
-
// allocate command payload
add_punting_command *addPuntingCommand =
parcMemory_AllocateAndClear(sizeof(add_punting_command));
diff --git a/hicn-light/src/hicn/config/controlAddRoute.c b/hicn-light/src/hicn/config/controlAddRoute.c
index d7847f837..086cf3a2b 100644
--- a/hicn-light/src/hicn/config/controlAddRoute.c
+++ b/hicn-light/src/hicn/config/controlAddRoute.c
@@ -108,12 +108,6 @@ static CommandReturn _controlAddRoute_Execute(CommandParser *parser,
*slash = '\0';
}
- if (len == 0) {
- printf("ERROR: a prefix can not be of length 0\n");
- free(addr);
- return CommandReturn_Failure;
- }
-
// allocate command payload
add_route_command *addRouteCommand =
parcMemory_AllocateAndClear(sizeof(add_route_command));
diff --git a/hicn-light/src/hicn/config/controlList.c b/hicn-light/src/hicn/config/controlList.c
index 8ec47ad23..c45f05428 100644
--- a/hicn-light/src/hicn/config/controlList.c
+++ b/hicn-light/src/hicn/config/controlList.c
@@ -31,6 +31,9 @@
//#include <hicn/config/controlListInterfaces.h>
#include <hicn/config/controlListListeners.h>
#include <hicn/config/controlListRoutes.h>
+#ifdef WITH_POLICY
+#include <hicn/config/controlListPolicies.h>
+#endif /* WITH_POLICY */
static void _controlList_Init(CommandParser *parser, CommandOps *ops);
static CommandReturn _controlList_Execute(CommandParser *parser,
@@ -59,18 +62,27 @@ static CommandReturn _controlList_HelpExecute(CommandParser *parser,
// CommandOps *ops_list_interfaces = controlListInterfaces_HelpCreate(NULL);
CommandOps *ops_list_routes = controlListRoutes_HelpCreate(NULL);
CommandOps *ops_list_listeners = controlListListeners_HelpCreate(NULL);
+#ifdef WITH_POLICY
+ CommandOps *ops_list_policies = controlListPolicies_HelpCreate(NULL);
+#endif /* WITH_POLICY */
printf("Available commands:\n");
printf(" %s\n", ops_list_connections->command);
// printf(" %s\n", ops_list_interfaces->command);
printf(" %s\n", ops_list_routes->command);
printf(" %s\n", ops_list_listeners->command);
+#ifdef WITH_POLICY
+ printf(" %s\n", ops_list_policies->command);
+#endif /* WITH_POLICY */
printf("\n");
commandOps_Destroy(&ops_list_connections);
// commandOps_Destroy(&ops_list_interfaces);
commandOps_Destroy(&ops_list_routes);
commandOps_Destroy(&ops_list_listeners);
+#ifdef WITH_POLICY
+ commandOps_Destroy(&ops_list_policies);
+#endif /* WITH_POLICY */
return CommandReturn_Success;
}
@@ -86,6 +98,10 @@ static void _controlList_Init(CommandParser *parser, CommandOps *ops) {
// controlState_RegisterCommand(state, controlListInterfaces_Create(state));
controlState_RegisterCommand(state, controlListRoutes_Create(state));
controlState_RegisterCommand(state, controlListListeners_Create(state));
+#ifdef WITH_POLICY
+ controlState_RegisterCommand(state, controlListPolicies_HelpCreate(state));
+ controlState_RegisterCommand(state, controlListPolicies_Create(state));
+#endif /* WITH_POLICY */
}
static CommandReturn _controlList_Execute(CommandParser *parser,
diff --git a/hicn-light/src/hicn/config/controlListConnections.c b/hicn-light/src/hicn/config/controlListConnections.c
index f94a1e7ca..0eb6392ea 100644
--- a/hicn-light/src/hicn/config/controlListConnections.c
+++ b/hicn-light/src/hicn/config/controlListConnections.c
@@ -82,6 +82,10 @@ static CommandReturn _controlListConnections_Execute(CommandParser *parser,
_controlListConnections_HelpExecute(parser, ops, args);
return CommandReturn_Failure;
}
+#ifdef WITH_POLICY
+ char flags_str[POLICY_TAG_N];
+ char *s;
+#endif /* WITH_POLICY */
ControlState *state = ops->closure;
@@ -127,11 +131,28 @@ static CommandReturn _controlListConnections_Execute(CommandParser *parser,
PARCBufferComposer *composer = parcBufferComposer_Create();
+#ifdef WITH_POLICY
+
+ s = flags_str;
+#define _(x, y) *s++ = policy_tags_has(listConnectionsCommand->connectionData.tags, POLICY_TAG_ ## x) ? y : '.';
+foreach_policy_tag
+#undef _
+ *s = '\0';
+
+ parcBufferComposer_Format(
+ composer, "%5d %4s %s %s %s [%s]", listConnectionsCommand->connid,
+ stateString[listConnectionsCommand->state], sourceString,
+ destinationString,
+ connTypeString[listConnectionsCommand->connectionData.connectionType],
+ flags_str);
+
+#else
parcBufferComposer_Format(
composer, "%5d %4s %s %s %s", listConnectionsCommand->connid,
stateString[listConnectionsCommand->state], sourceString,
destinationString,
connTypeString[listConnectionsCommand->connectionData.connectionType]);
+#endif /* WITH_POLICY */
PARCBuffer *tempBuffer = parcBufferComposer_ProduceBuffer(composer);
char *result = parcBuffer_ToString(tempBuffer);
diff --git a/hicn-light/src/hicn/config/controlListPolicies.c b/hicn-light/src/hicn/config/controlListPolicies.c
new file mode 100644
index 000000000..c70d8baea
--- /dev/null
+++ b/hicn-light/src/hicn/config/controlListPolicies.c
@@ -0,0 +1,240 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef WITH_POLICY
+
+#include <hicn/hicn-light/config.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <parc/assert/parc_Assert.h>
+
+#include <parc/algol/parc_Memory.h>
+#include <parc/algol/parc_Time.h>
+
+#include <hicn/config/controlListPolicies.h>
+
+#include <hicn/utils/commands.h>
+#include <hicn/utils/utils.h>
+
+static CommandReturn _controlListPolicies_Execute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args);
+static CommandReturn _controlListPolicies_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args);
+
+static const char *_commandListPolicies = "list policies";
+static const char *_commandListPoliciesHelp = "help list policies";
+
+// ====================================================
+
+CommandOps *controlListPolicies_Create(ControlState *state) {
+ return commandOps_Create(state, _commandListPolicies, NULL,
+ _controlListPolicies_Execute, commandOps_Destroy);
+}
+
+CommandOps *controlListPolicies_HelpCreate(ControlState *state) {
+ return commandOps_Create(state, _commandListPoliciesHelp, NULL,
+ _controlListPolicies_HelpExecute, commandOps_Destroy);
+}
+
+// ====================================================
+
+static CommandReturn _controlListPolicies_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args) {
+ printf("command: list policies\n");
+ printf("\n");
+ return CommandReturn_Success;
+}
+
+#define MAX(x,y) (x > y ? x : y)
+#define MAXSZ_COLUMN MAX(MAXSZ_POLICY_TAG, MAXSZ_POLICY_TAG_STATE)
+
+#define MAXSZ_STR_STAT 10
+#define MAXSZ_APP_NAME 25
+#define MAXSZ_PREFIX 25
+
+typedef struct {
+ #define _(x, y) char x[MAXSZ_POLICY_TAG_STATE];
+ foreach_policy_tag
+ #undef _
+} tag_state_str_t;
+
+static CommandReturn _controlListPolicies_Execute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args) {
+ if (parcList_Size(args) != 2) {
+ _controlListPolicies_HelpExecute(parser, ops, args);
+ return CommandReturn_Failure;
+ }
+
+ ControlState *state = ops->closure;
+
+ // send message and receive response
+ struct iovec *response = utils_SendRequest(state, LIST_POLICIES, NULL, 0);
+ if (!response) { // get NULL pointer = FAILURE
+ return CommandReturn_Failure;
+ }
+
+ // Process/Print message
+ header_control_message *receivedHeader =
+ (header_control_message *)response[0].iov_base;
+ uint8_t *receivedPayload = (uint8_t *)response[1].iov_base;
+ if (!receivedPayload) {
+ printf("No payload!\n");
+ return CommandReturn_Failure;
+ }
+
+ // Allocate output to pass to the main function if the call is not interactive
+ char **commandOutputMain = NULL;
+ if (!controlState_IsInteractive(state) && receivedHeader->length > 0) {
+ commandOutputMain =
+ parcMemory_Allocate(sizeof(char *) * receivedHeader->length);
+ for (size_t j = 0; j < receivedHeader->length; j++) {
+ commandOutputMain[j] = parcMemory_Allocate(sizeof(char) * 128);
+ }
+ }
+
+ char *addrString = NULL;
+ in_port_t port = htons(1234); // this is a random port number that is ignored
+
+ if (receivedHeader->length > 0) {
+ printf("%*s %*s"
+ #define _(x, y) " %*s"
+ foreach_policy_tag
+ #undef _
+ "%s",
+ MAXSZ_PREFIX, "prefix", MAXSZ_APP_NAME /*APP_NAME_LEN*/, "app_name",
+ #define _(x, y) MAXSZ_COLUMN, policy_tag_str[POLICY_TAG_ ## x],
+ foreach_policy_tag
+ #undef _
+ "\n");
+ } else {
+ printf(" --- No entry in the list \n");
+ }
+
+ tag_state_str_t str;
+
+ for (int i = 0; i < receivedHeader->length; i++) {
+ list_policies_command *listPoliciesCommand =
+ (list_policies_command *)(receivedPayload +
+ (i * sizeof(list_policies_command)));
+
+#if 0
+ char tag_s[MAXSZ_POLICY_TAG_STATE * POLICY_TAG_N];
+
+ policy_tag_state_snprintf((char*)&tag_s[MAXSZ_POLICY_TAG_STATE * POLICY_TAG_ ## x], \
+ MAXSZ_POLICY_TAG_STATE, \
+ &listPoliciesCommand->policy.tags[POLICY_TAG_ ## x]);
+#endif
+
+ #define _(x, y) policy_tag_state_snprintf(str.x, MAXSZ_POLICY_TAG_STATE, &listPoliciesCommand->policy.tags[POLICY_TAG_ ## x]);
+ foreach_policy_tag
+ #undef _
+
+ addrString = utils_CommandAddressToString(
+ listPoliciesCommand->addressType, &listPoliciesCommand->address, &port);
+
+#if 0
+ PARCBufferComposer *composer = parcBufferComposer_Create();
+
+ parcBufferComposer_Format(
+ composer, "%*s %*s"
+ #define _(x, y) " %*s"
+ foreach_policy_tag
+ #undef _
+ "%s",
+ MAXSZ_PREFIX, addrString, APP_NAME_LEN, listPoliciesCommand->policy.app_name,
+ #define _(x, y) MAXSZ_COLUMN, str.x,
+ foreach_policy_tag
+ #undef _
+ "");
+
+ PARCBuffer *tempBuffer = parcBufferComposer_ProduceBuffer(composer);
+ char *result = parcBuffer_ToString(tempBuffer);
+ parcBuffer_Release(&tempBuffer);
+
+ if (!controlState_IsInteractive(state)) {
+ strcpy(commandOutputMain[i], result);
+ }
+
+ puts(result);
+ parcMemory_Deallocate((void **)&result);
+ parcBufferComposer_Release(&composer);
+#else
+ printf("%*s %*s"
+ #define _(x, y) " %*s"
+ foreach_policy_tag
+ #undef _
+ "%s\n",
+ MAXSZ_PREFIX, addrString, MAXSZ_APP_NAME /*APP_NAME_LEN*/, listPoliciesCommand->policy.app_name,
+ #define _(x, y) MAXSZ_COLUMN, str.x,
+ foreach_policy_tag
+ #undef _
+ "");
+
+#endif
+ }
+
+ printf("\nSTATISTICS\n\n");
+ // STATISTICS
+ printf("%*s %*s %*s | %*s | %*s | %*s\n",
+ MAXSZ_PREFIX, "", MAXSZ_APP_NAME /*APP_NAME_LEN*/, "",
+ 3*MAXSZ_STR_STAT+2, "WIRED", 3*MAXSZ_STR_STAT+2, "WIFI", 3*MAXSZ_STR_STAT+2, "CELLULAR", 3*MAXSZ_STR_STAT+2, "ALL");
+ printf("%*s %*s %*s %*s %*s | %*s %*s %*s | %*s %*s %*s | %*s %*s %*s\n",
+ MAXSZ_PREFIX, "prefix", MAXSZ_APP_NAME /*APP_NAME_LEN*/, "app_name",
+ MAXSZ_STR_STAT, "throughput", MAXSZ_STR_STAT, "latency", MAXSZ_STR_STAT, "loss_rate",
+ MAXSZ_STR_STAT, "throughput", MAXSZ_STR_STAT, "latency", MAXSZ_STR_STAT, "loss_rate",
+ MAXSZ_STR_STAT, "throughput", MAXSZ_STR_STAT, "latency", MAXSZ_STR_STAT, "loss_rate",
+ MAXSZ_STR_STAT, "throughput", MAXSZ_STR_STAT, "latency", MAXSZ_STR_STAT, "loss_rate");
+ for (int i = 0; i < receivedHeader->length; i++) {
+ list_policies_command *listPoliciesCommand =
+ (list_policies_command *)(receivedPayload +
+ (i * sizeof(list_policies_command)));
+ addrString = utils_CommandAddressToString(
+ listPoliciesCommand->addressType, &listPoliciesCommand->address, &port);
+ printf("%*s %*s %*.2f %*.2f %*.2f | %*.2f %*.2f %*.2f | %*.2f %*.2f %*.2f | %*.2f %*.2f %*.2f\n",
+ MAXSZ_PREFIX, addrString, MAXSZ_APP_NAME, listPoliciesCommand->policy.app_name,
+ MAXSZ_STR_STAT, listPoliciesCommand->policy.stats.wired.throughput,
+ MAXSZ_STR_STAT, listPoliciesCommand->policy.stats.wired.latency,
+ MAXSZ_STR_STAT, listPoliciesCommand->policy.stats.wired.loss_rate,
+ MAXSZ_STR_STAT, listPoliciesCommand->policy.stats.wifi.throughput,
+ MAXSZ_STR_STAT, listPoliciesCommand->policy.stats.wifi.latency,
+ MAXSZ_STR_STAT, listPoliciesCommand->policy.stats.wifi.loss_rate,
+ MAXSZ_STR_STAT, listPoliciesCommand->policy.stats.cellular.throughput,
+ MAXSZ_STR_STAT, listPoliciesCommand->policy.stats.cellular.latency,
+ MAXSZ_STR_STAT, listPoliciesCommand->policy.stats.cellular.loss_rate,
+ MAXSZ_STR_STAT, listPoliciesCommand->policy.stats.all.throughput,
+ MAXSZ_STR_STAT, listPoliciesCommand->policy.stats.all.latency,
+ MAXSZ_STR_STAT, listPoliciesCommand->policy.stats.all.loss_rate);
+ }
+
+ controlState_SetCommandOutput(state, commandOutputMain);
+
+ // DEALLOCATE
+ parcMemory_Deallocate((void **)&addrString);
+ parcMemory_Deallocate(&receivedHeader); // free response[0].iov_base
+ parcMemory_Deallocate(&receivedPayload); // free response[1].iov_base
+ parcMemory_Deallocate(&response); // free iovec pointer
+
+ return CommandReturn_Success;
+}
+
+#endif /* WITH_POLICY */
diff --git a/hicn-light/src/hicn/config/controlListPolicies.h b/hicn-light/src/hicn/config/controlListPolicies.h
new file mode 100644
index 000000000..7aa0bdd26
--- /dev/null
+++ b/hicn-light/src/hicn/config/controlListPolicies.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file control_ListPolicies.h
+ * @brief List the icn-light policies
+ *
+ * Implements the "list policies" and "help list policies" nodes of the command tree
+ *
+ */
+#ifndef Control_ListPolicies_h
+#define Control_ListPolicies_h
+
+#ifdef WITH_POLICY
+
+#include <hicn/config/controlState.h>
+CommandOps *controlListPolicies_Create(ControlState *state);
+CommandOps *controlListPolicies_HelpCreate(ControlState *state);
+
+#endif /* WITH_POLICY */
+
+#endif // Control_ListPolicies_h
diff --git a/hicn-light/src/hicn/config/controlRemove.c b/hicn-light/src/hicn/config/controlRemove.c
index d33d57206..af833dc8b 100644
--- a/hicn-light/src/hicn/config/controlRemove.c
+++ b/hicn-light/src/hicn/config/controlRemove.c
@@ -30,6 +30,9 @@
#include <hicn/config/controlRemoveConnection.h>
#include <hicn/config/controlRemovePunting.h>
#include <hicn/config/controlRemoveRoute.h>
+#ifdef WITH_POLICY
+#include <hicn/config/controlRemovePolicy.h>
+#endif /* WITH_POLICY */
static void _controlRemove_Init(CommandParser *parser, CommandOps *ops);
static CommandReturn _controlRemove_Execute(CommandParser *parser,
@@ -61,16 +64,25 @@ static CommandReturn _controlRemove_HelpExecute(CommandParser *parser,
CommandOps *ops_remove_connection = controlRemoveConnection_Create(NULL);
CommandOps *ops_remove_route = controlRemoveRoute_Create(NULL);
CommandOps *ops_remove_punting = controlRemovePunting_Create(NULL);
+#ifdef WITH_POLICY
+ CommandOps *ops_remove_policy = controlRemovePolicy_Create(NULL);
+#endif /* WITH_POLICY */
printf("Available commands:\n");
printf(" %s\n", ops_remove_connection->command);
printf(" %s\n", ops_remove_route->command);
printf(" %s\n", ops_remove_punting->command);
+#ifdef WITH_POLICY
+ printf(" %s\n", ops_remove_policy->command);
+#endif /* WITH_POLICY */
printf("\n");
commandOps_Destroy(&ops_remove_connection);
commandOps_Destroy(&ops_remove_route);
commandOps_Destroy(&ops_remove_punting);
+#ifdef WITH_POLICY
+ commandOps_Destroy(&ops_remove_policy);
+#endif /* WITH_POLICY */
return CommandReturn_Success;
}
@@ -83,6 +95,10 @@ static void _controlRemove_Init(CommandParser *parser, CommandOps *ops) {
controlState_RegisterCommand(state, controlRemoveRoute_Create(state));
controlState_RegisterCommand(state, controlRemovePunting_Create(state));
controlState_RegisterCommand(state, controlRemovePunting_HelpCreate(state));
+#ifdef WITH_POLICY
+ controlState_RegisterCommand(state, controlRemovePolicy_HelpCreate(state));
+ controlState_RegisterCommand(state, controlRemovePolicy_Create(state));
+#endif /* WITH_POLICY */
}
static CommandReturn _controlRemove_Execute(CommandParser *parser,
diff --git a/hicn-light/src/hicn/config/controlRemovePolicy.c b/hicn-light/src/hicn/config/controlRemovePolicy.c
new file mode 100644
index 000000000..510203886
--- /dev/null
+++ b/hicn-light/src/hicn/config/controlRemovePolicy.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef WITH_POLICY
+
+#include <hicn/hicn-light/config.h>
+
+#include <ctype.h>
+#include <parc/algol/parc_List.h>
+#include <parc/algol/parc_Memory.h>
+#include <parc/algol/parc_Network.h>
+#include <parc/assert/parc_Assert.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <hicn/utils/address.h>
+
+#include <hicn/config/controlRemovePolicy.h>
+
+#include <hicn/utils/commands.h>
+#include <hicn/utils/utils.h>
+
+static CommandReturn _controlRemovePolicy_Execute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args);
+static CommandReturn _controlRemovePolicy_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args);
+
+// ===================================================
+
+static const char *_commandRemovePolicy = "remove policy";
+static const char *_commandRemovePolicyHelp = "help remove policy";
+
+// ====================================================
+
+CommandOps *controlRemovePolicy_Create(ControlState *state) {
+ return commandOps_Create(state, _commandRemovePolicy, NULL,
+ _controlRemovePolicy_Execute, commandOps_Destroy);
+}
+
+CommandOps *controlRemovePolicy_HelpCreate(ControlState *state) {
+ return commandOps_Create(state, _commandRemovePolicyHelp, NULL,
+ _controlRemovePolicy_HelpExecute, commandOps_Destroy);
+}
+
+// ====================================================
+
+static CommandReturn _controlRemovePolicy_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args) {
+ printf("commands:\n");
+ printf(" remove policy <prefix>\n");
+ return CommandReturn_Success;
+}
+
+static CommandReturn _controlRemovePolicy_Execute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args) {
+ ControlState *state = ops->closure;
+
+ if (parcList_Size(args) != 3) {
+ _controlRemovePolicy_HelpExecute(parser, ops, args);
+ return CommandReturn_Failure;
+ }
+
+ const char *prefixStr = parcList_GetAtIndex(args, 2);
+ char *addr = (char *)malloc(sizeof(char) * (strlen(prefixStr) + 1));
+
+ // separate address and len
+ char *slash;
+ uint32_t len = 0;
+ strcpy(addr, prefixStr);
+ slash = strrchr(addr, '/');
+ if (slash != NULL) {
+ len = atoi(slash + 1);
+ *slash = '\0';
+ }
+
+ // allocate command payload
+ remove_policy_command *removePolicyCommand =
+ parcMemory_AllocateAndClear(sizeof(remove_policy_command));
+
+ // check and set IP address
+ if (inet_pton(AF_INET, addr, &removePolicyCommand->address.ipv4) == 1) {
+ if (len > 32) {
+ printf("ERROR: exceeded INET mask length, max=32\n");
+ parcMemory_Deallocate(&removePolicyCommand);
+ free(addr);
+ return CommandReturn_Failure;
+ }
+ removePolicyCommand->addressType = ADDR_INET;
+ } else if (inet_pton(AF_INET6, addr, &removePolicyCommand->address.ipv6) ==
+ 1) {
+ if (len > 128) {
+ printf("ERROR: exceeded INET6 mask length, max=128\n");
+ parcMemory_Deallocate(&removePolicyCommand);
+ free(addr);
+ return CommandReturn_Failure;
+ }
+ removePolicyCommand->addressType = ADDR_INET6;
+ } else {
+ printf("Error: %s is not a valid network address \n", addr);
+ parcMemory_Deallocate(&removePolicyCommand);
+ free(addr);
+ return CommandReturn_Failure;
+ }
+
+ free(addr);
+ // Fill remaining payload fields
+ removePolicyCommand->len = len;
+
+ // send message and receive response
+ struct iovec *response = utils_SendRequest(
+ state, REMOVE_POLICY, removePolicyCommand, sizeof(remove_policy_command));
+
+ if (!response) { // get NULL pointer
+ return CommandReturn_Failure;
+ }
+
+ parcMemory_Deallocate(&response); // free iovec pointer
+ return CommandReturn_Success;
+}
+
+#endif /* WITH_POLICY */
diff --git a/hicn-light/src/hicn/config/controlRemovePolicy.h b/hicn-light/src/hicn/config/controlRemovePolicy.h
new file mode 100644
index 000000000..ebe098985
--- /dev/null
+++ b/hicn-light/src/hicn/config/controlRemovePolicy.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file control_RemovePolicy.h
+ * @brief Remove a policy from the FIB
+ *
+ * Implements the "remove policy" and "help remove policy" nodes of the command
+ * tree
+ *
+ */
+
+#ifndef Control_RemovePolicy_h
+#define Control_RemovePolicy_h
+
+#ifdef WITH_POLICY
+
+#include <hicn/config/controlState.h>
+CommandOps *controlRemovePolicy_Create(ControlState *state);
+CommandOps *controlRemovePolicy_HelpCreate(ControlState *state);
+
+#endif /* WITH_POLICY */
+
+#endif // Control_RemovePolicy_h
diff --git a/hicn-light/src/hicn/config/controlRemoveRoute.c b/hicn-light/src/hicn/config/controlRemoveRoute.c
index 8cb888f7c..0626886de 100644
--- a/hicn-light/src/hicn/config/controlRemoveRoute.c
+++ b/hicn-light/src/hicn/config/controlRemoveRoute.c
@@ -99,12 +99,6 @@ static CommandReturn _controlRemoveRoute_Execute(CommandParser *parser,
*slash = '\0';
}
- if (len == 0) {
- printf("ERROR: a prefix can not be of length 0\n");
- free(addr);
- return CommandReturn_Failure;
- }
-
// allocate command payload
remove_route_command *removeRouteCommand =
parcMemory_AllocateAndClear(sizeof(remove_route_command));
diff --git a/hicn-light/src/hicn/config/controlRoot.c b/hicn-light/src/hicn/config/controlRoot.c
index 675fe4c6e..e135dfc50 100644
--- a/hicn-light/src/hicn/config/controlRoot.c
+++ b/hicn-light/src/hicn/config/controlRoot.c
@@ -31,6 +31,9 @@
#include <hicn/config/controlRoot.h>
#include <hicn/config/controlSet.h>
#include <hicn/config/controlUnset.h>
+#ifdef WITH_POLICY
+#include <hicn/config/controlUpdate.h>
+#endif /* WITH_POLICY */
static void _controlRoot_Init(CommandParser *parser, CommandOps *ops);
static CommandReturn _controlRoot_Execute(CommandParser *parser,
@@ -79,6 +82,9 @@ static CommandReturn _controlRoot_HelpExecute(CommandParser *parser,
CommandOps *ops_help_unset = controlUnset_HelpCreate(NULL);
CommandOps *ops_help_cache = controlCache_HelpCreate(NULL);
CommandOps *ops_help_mapme = controlMapMe_HelpCreate(NULL);
+#ifdef WITH_POLICY
+ CommandOps *ops_help_update = controlUpdate_HelpCreate(NULL);
+#endif /* WITH_POLICY */
printf("Available commands:\n");
printf(" %s\n", ops_help_add->command);
@@ -89,6 +95,9 @@ static CommandReturn _controlRoot_HelpExecute(CommandParser *parser,
printf(" %s\n", ops_help_unset->command);
printf(" %s\n", ops_help_cache->command);
printf(" %s\n", ops_help_mapme->command);
+#ifdef WITH_POLICY
+ printf(" %s\n", ops_help_update->command);
+#endif /* WITH_POLICY */
printf("\n");
commandOps_Destroy(&ops_help_add);
@@ -99,6 +108,9 @@ static CommandReturn _controlRoot_HelpExecute(CommandParser *parser,
commandOps_Destroy(&ops_help_unset);
commandOps_Destroy(&ops_help_cache);
commandOps_Destroy(&ops_help_mapme);
+#ifdef WITH_POLICY
+ commandOps_Destroy(&ops_help_update);
+#endif /* WITH_POLICY */
return CommandReturn_Success;
}
@@ -114,6 +126,9 @@ static void _controlRoot_Init(CommandParser *parser, CommandOps *ops) {
controlState_RegisterCommand(state, controlUnset_HelpCreate(state));
controlState_RegisterCommand(state, controlCache_HelpCreate(state));
controlState_RegisterCommand(state, controlMapMe_HelpCreate(state));
+#ifdef WITH_POLICY
+ controlState_RegisterCommand(state, controlUpdate_HelpCreate(state));
+#endif /* WITH_POLICY */
controlState_RegisterCommand(state, webControlAdd_Create(state));
controlState_RegisterCommand(state, controlList_Create(state));
@@ -123,6 +138,9 @@ static void _controlRoot_Init(CommandParser *parser, CommandOps *ops) {
controlState_RegisterCommand(state, controlUnset_Create(state));
controlState_RegisterCommand(state, controlCache_Create(state));
controlState_RegisterCommand(state, controlMapMe_Create(state));
+#ifdef WITH_POLICY
+ controlState_RegisterCommand(state, controlUpdate_Create(state));
+#endif /* WITH_POLICY */
}
static CommandReturn _controlRoot_Execute(CommandParser *parser,
diff --git a/hicn-light/src/hicn/config/controlSetStrategy.c b/hicn-light/src/hicn/config/controlSetStrategy.c
index 1b1396342..b2968712f 100644
--- a/hicn-light/src/hicn/config/controlSetStrategy.c
+++ b/hicn-light/src/hicn/config/controlSetStrategy.c
@@ -47,8 +47,7 @@ static const char *_commandSetStrategyOptions[LAST_STRATEGY_VALUE] = {
"random",
"random_per_dash_segment",
"loadbalancer_with_delay",
- "loadbalancer_by_rate",
- "loadbalancer_best_route"};
+};
// ====================================================
@@ -118,11 +117,6 @@ static CommandReturn _controlSetStrategy_Execute(CommandParser *parser,
len = atoi(slash + 1);
*slash = '\0';
}
- if (len == 0) {
- printf("ERROR: a prefix can not be of length 0\n");
- free(addr);
- return CommandReturn_Failure;
- }
// allocate command payload
set_strategy_command *setStrategyCommand =
diff --git a/hicn-light/src/hicn/config/controlUpdate.c b/hicn-light/src/hicn/config/controlUpdate.c
new file mode 100644
index 000000000..4c74660c2
--- /dev/null
+++ b/hicn-light/src/hicn/config/controlUpdate.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef WITH_POLICY
+
+#include <hicn/hicn-light/config.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <parc/assert/parc_Assert.h>
+
+#include <parc/security/parc_Security.h>
+
+#include <parc/algol/parc_Memory.h>
+
+#include <hicn/config/controlUpdate.h>
+#include <hicn/config/controlUpdateConnection.h>
+
+static void _controlUpdate_Init(CommandParser *parser, CommandOps *ops);
+static CommandReturn _controlUpdate_Execute(CommandParser *parser,
+ CommandOps *ops, PARCList *args);
+static CommandReturn _controlUpdate_HelpExecute(CommandParser *parser,
+ CommandOps *ops, PARCList *args);
+
+static const char *_commandUpdate = "update";
+static const char *_commandUpdateHelp = "help update";
+
+CommandOps *controlUpdate_Create(ControlState *state) {
+ return commandOps_Create(state, _commandUpdate, _controlUpdate_Init,
+ _controlUpdate_Execute, commandOps_Destroy);
+}
+
+CommandOps *controlUpdate_HelpCreate(ControlState *state) {
+ return commandOps_Create(state, _commandUpdateHelp, NULL,
+ _controlUpdate_HelpExecute, commandOps_Destroy);
+}
+
+// =====================================================
+
+static CommandReturn _controlUpdate_HelpExecute(CommandParser *parser,
+ CommandOps *ops, PARCList *args) {
+ //CommandOps *ops_update_connections = controlUpdateConnections_HelpCreate(NULL);
+ // CommandOps *ops_update_interfaces = controlUpdateInterfaces_HelpCreate(NULL);
+ //CommandOps *ops_update_routes = controlUpdateRoutes_HelpCreate(NULL);
+ CommandOps *ops_update_listeners = controlUpdateConnection_HelpCreate(NULL);
+
+ printf("Available commands:\n");
+ //printf(" %s\n", ops_update_connections->command);
+ // printf(" %s\n", ops_update_interfaces->command);
+ //printf(" %s\n", ops_update_routes->command);
+ printf(" %s\n", ops_update_listeners->command);
+ printf("\n");
+
+ // commandOps_Destroy(&ops_update_connections);
+ // commandOps_Destroy(&ops_update_interfaces);
+ //commandOps_Destroy(&ops_update_routes);
+ commandOps_Destroy(&ops_update_listeners);
+
+ return CommandReturn_Success;
+}
+
+static void _controlUpdate_Init(CommandParser *parser, CommandOps *ops) {
+ ControlState *state = ops->closure;
+ //controlState_RegisterCommand(state, controlUpdateConnections_HelpCreate(state));
+ // controlState_RegisterCommand(state,
+ // controlUpdateInterfaces_HelpCreate(state));
+ controlState_RegisterCommand(state, controlUpdateConnection_HelpCreate(state));
+ //controlState_RegisterCommand(state, controlUpdateRoutes_HelpCreate(state));
+ //controlState_RegisterCommand(state, controlUpdateConnections_Create(state));
+ // controlState_RegisterCommand(state, controlUpdateInterfaces_Create(state));
+ //controlState_RegisterCommand(state, controlUpdateRoutes_Create(state));
+ controlState_RegisterCommand(state, controlUpdateConnection_Create(state));
+}
+
+static CommandReturn _controlUpdate_Execute(CommandParser *parser,
+ CommandOps *ops, PARCList *args) {
+ return _controlUpdate_HelpExecute(parser, ops, args);
+}
+
+#endif /* WITH_POLICY */
diff --git a/hicn-light/src/hicn/config/controlUpdate.h b/hicn-light/src/hicn/config/controlUpdate.h
new file mode 100644
index 000000000..0007ab653
--- /dev/null
+++ b/hicn-light/src/hicn/config/controlUpdate.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file control_Update.h
+ * @brief Root node for the "update" commands
+ *
+ * Implements the "update" node of the CLI tree.
+ *
+ */
+
+#ifndef controlUpdate_h
+#define controlUpdate_h
+
+#ifdef WITH_POLICY
+
+#include <hicn/config/controlState.h>
+CommandOps *controlUpdate_Create(ControlState *state);
+CommandOps *controlUpdate_HelpCreate(ControlState *state);
+
+#endif /* WITH_POLICY */
+
+#endif // controlUpdate_h
diff --git a/hicn-light/src/hicn/config/controlUpdateConnection.c b/hicn-light/src/hicn/config/controlUpdateConnection.c
new file mode 100644
index 000000000..3e573d41d
--- /dev/null
+++ b/hicn-light/src/hicn/config/controlUpdateConnection.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef WITH_POLICY
+
+#include <hicn/hicn-light/config.h>
+
+#include <ctype.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <parc/assert/parc_Assert.h>
+
+#include <parc/algol/parc_Memory.h>
+#include <parc/algol/parc_Network.h>
+
+#include <hicn/config/controlUpdateConnection.h>
+
+#include <hicn/utils/commands.h>
+#include <hicn/utils/utils.h>
+#include <hicn/utils/policy.h>
+
+static CommandReturn _controlUpdateConnection_Execute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args);
+static CommandReturn _controlUpdateConnection_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args);
+
+static const char *command_update_connection = "update connection";
+static const char *command_help_update_connection = "help update connection";
+
+CommandOps *controlUpdateConnection_Create(ControlState *state) {
+ return commandOps_Create(state, command_update_connection, NULL,
+ _controlUpdateConnection_Execute, commandOps_Destroy);
+}
+
+CommandOps *controlUpdateConnection_HelpCreate(ControlState *state) {
+ return commandOps_Create(state, command_help_update_connection, NULL,
+ _controlUpdateConnection_HelpExecute, commandOps_Destroy);
+}
+
+// ====================================================
+
+static const int _indexSymbolic = 2;
+static const int _indexTags = 3;
+
+static CommandReturn _controlUpdateConnection_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args) {
+ printf("commands:\n");
+ printf(" update connection <symbolic | id> <tags> \n");
+ printf("\n");
+ printf(
+ " symbolic: User defined name for connection, must start with "
+ "alpha and be alphanum\n");
+ printf(" id: Identifier for the connection\n");
+ printf(" tags: A string representing tags\n");
+ return CommandReturn_Success;
+}
+
+
+static CommandReturn _controlUpdateConnection_Execute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args) {
+ if ((parcList_Size(args) != 3) && (parcList_Size(args) != 4)) {
+ _controlUpdateConnection_HelpExecute(parser, ops, args);
+ return CommandReturn_Failure;
+ }
+
+ const char *symbolicOrConnid = parcList_GetAtIndex(args, _indexSymbolic);
+
+ if (!utils_ValidateSymbolicName(symbolicOrConnid) &&
+ !utils_IsNumber(symbolicOrConnid)) {
+ printf(
+ "ERROR: Invalid symbolic or connid:\nsymbolic name must begin with an "
+ "alpha followed by alphanum;\nconnid must be an integer\n");
+ return CommandReturn_Failure;
+ }
+
+ policy_tags_t tags = POLICY_TAGS_EMPTY;
+ if (parcList_Size(args) == 4) {
+ const char *str_tags = parcList_GetAtIndex(args, _indexTags);
+
+ for (unsigned i = 0; str_tags[i] != 0; i++) {
+ switch(tolower(str_tags[i])) {
+ case 'e':
+ policy_tags_add(&tags, POLICY_TAG_WIRED);
+ break;
+ case 'w':
+ policy_tags_add(&tags, POLICY_TAG_WIFI);
+ break;
+ case 'c':
+ policy_tags_add(&tags, POLICY_TAG_CELLULAR);
+ break;
+ case 'b':
+ policy_tags_add(&tags, POLICY_TAG_BEST_EFFORT);
+ break;
+ case 'r':
+ policy_tags_add(&tags, POLICY_TAG_REALTIME);
+ break;
+ case 'm':
+ policy_tags_add(&tags, POLICY_TAG_MULTIPATH);
+ break;
+ case 't':
+ policy_tags_add(&tags, POLICY_TAG_TRUSTED);
+ break;
+ }
+ }
+ }
+ ControlState *state = ops->closure;
+
+ // allocate command payload
+ update_connection_command *updateConnectionCommand =
+ parcMemory_AllocateAndClear(sizeof(update_connection_command));
+ updateConnectionCommand->tags = tags;
+ strcpy(updateConnectionCommand->symbolicOrConnid, symbolicOrConnid);
+
+ // send message and receive response
+ struct iovec *response = utils_SendRequest(
+ state, UPDATE_CONNECTION, updateConnectionCommand, sizeof(update_connection_command));
+
+ if (!response) // get NULL pointer
+ return CommandReturn_Failure;
+
+ parcMemory_Deallocate(&response); // free iovec pointer
+ return CommandReturn_Success;
+}
+
+#endif /* WITH_POLICY */
diff --git a/hicn-light/src/hicn/config/controlUpdateConnection.h b/hicn-light/src/hicn/config/controlUpdateConnection.h
new file mode 100644
index 000000000..eea303202
--- /dev/null
+++ b/hicn-light/src/hicn/config/controlUpdateConnection.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file control_UpdateConnection.h
+ * @brief Update a connection to an interface
+ *
+ * <#Detailed Description#>
+ *
+ */
+
+#ifndef Control_UpdateConnection_h
+#define Control_UpdateConnection_h
+
+#ifdef WITH_POLICY
+
+#include <hicn/config/controlState.h>
+CommandOps *controlUpdateConnection_Create(ControlState *state);
+CommandOps *controlUpdateConnection_HelpCreate(ControlState *state);
+
+#endif /* WITH_POLICY */
+
+#endif // Control_UpdateConnection_h
diff --git a/hicn-light/src/hicn/core/connection.c b/hicn-light/src/hicn/core/connection.c
index d9b2770b9..2f50dbf7f 100644
--- a/hicn-light/src/hicn/core/connection.c
+++ b/hicn-light/src/hicn/core/connection.c
@@ -27,6 +27,9 @@
#include <parc/algol/parc_Memory.h>
#include <parc/assert/parc_Assert.h>
+#ifdef WITH_POLICY
+#include <hicn/utils/policy.h>
+#endif /* WITH_POLICY */
struct connection {
const AddressPair *addressPair;
@@ -46,6 +49,11 @@ struct connection {
// file/hicnLightControl) this value is set to false so
// that a base station can not disable wldr at the client
Wldr *wldr;
+
+#ifdef WITH_POLICY
+ policy_tags_t tags;
+#endif /* WITH_POLICY */
+
};
Connection *connection_Create(IoOperations *ops) {
@@ -68,6 +76,10 @@ Connection *connection_Create(IoOperations *ops) {
/* By default, a connection will aim at the UP state */
connection_SetAdminState(conn, CONNECTION_STATE_UP);
+#ifdef WITH_POLICY
+ conn->tags = POLICY_TAGS_EMPTY;
+#endif /* WITH_POLICY */
+
return conn;
}
@@ -316,3 +328,37 @@ void connection_SetAdminState(Connection *conn, connection_state_t admin_state)
return;
ioOperations_SetAdminState(conn->ops, admin_state);
}
+
+#ifdef WITH_POLICY
+
+void connection_AddTag(Connection *conn, policy_tag_t tag)
+{
+ policy_tags_add(&conn->tags, tag);
+}
+
+void connection_RemoveTag(Connection *conn, policy_tag_t tag)
+{
+ policy_tags_remove(&conn->tags, tag);
+}
+
+policy_tags_t connection_GetTags(const Connection *conn)
+{
+ return conn->tags;
+}
+
+void connection_SetTags(Connection *conn, policy_tags_t tags)
+{
+ conn->tags = tags;
+}
+
+void connection_ClearTags(Connection *conn)
+{
+ conn->tags = POLICY_TAGS_EMPTY;
+}
+
+int connection_HasTag(const Connection *conn, policy_tag_t tag)
+{
+ return policy_tags_has(conn->tags, tag);
+}
+
+#endif /* WITH_POLICY */
diff --git a/hicn-light/src/hicn/core/connection.h b/hicn-light/src/hicn/core/connection.h
index df1c780a1..c007a1a26 100644
--- a/hicn-light/src/hicn/core/connection.h
+++ b/hicn-light/src/hicn/core/connection.h
@@ -29,6 +29,21 @@
#include <hicn/io/ioOperations.h>
#include <hicn/utils/address.h>
+#ifdef WITH_MAPME
+typedef enum {
+ CONNECTION_EVENT_CREATE,
+ CONNECTION_EVENT_DELETE,
+ CONNECTION_EVENT_UPDATE,
+ CONNECTION_EVENT_SET_UP,
+ CONNECTION_EVENT_SET_DOWN,
+} connection_event_t;
+
+#endif /* WITH_MAPME */
+
+#ifdef WITH_POLICY
+#include <hicn/utils/policy.h>
+#endif /* WITH_POLICY */
+
// packet types for probing
#define PACKET_TYPE_PROBE_REQUEST 5
#define PACKET_TYPE_PROBE_REPLY 6
@@ -168,4 +183,13 @@ connection_state_t connection_GetAdminState(const Connection *conn);
void connection_SetAdminState(Connection *conn, connection_state_t admin_state);
+#ifdef WITH_POLICY
+void connection_AddTag(Connection *conn, policy_tag_t tag);
+void connection_RemoveTag(Connection *conn, policy_tag_t tag);
+policy_tags_t connection_GetTags(const Connection *conn);
+void connection_SetTags(Connection *conn, policy_tags_t tags);
+void connection_ClearTags(Connection *conn);
+int connection_HasTag(const Connection *conn, policy_tag_t tag);
+#endif /* WITH_POLICY */
+
#endif // connection_h
diff --git a/hicn-light/src/hicn/core/connectionTable.c b/hicn-light/src/hicn/core/connectionTable.c
index 0a1301328..f8589c12b 100644
--- a/hicn-light/src/hicn/core/connectionTable.c
+++ b/hicn-light/src/hicn/core/connectionTable.c
@@ -206,7 +206,7 @@ const Connection *connectionTable_FindByAddressPair(ConnectionTable *table,
return (Connection *)parcHashCodeTable_Get(table->indexByAddressPair, pair);
}
-const Connection *connectionTable_FindById(ConnectionTable *table,
+const Connection *connectionTable_FindById(const ConnectionTable *table,
unsigned id) {
parcAssertNotNull(table, "Parameter table must be non-null");
return (Connection *)parcHashCodeTable_Get(table->storageTableById, &id);
diff --git a/hicn-light/src/hicn/core/connectionTable.h b/hicn-light/src/hicn/core/connectionTable.h
index bd8f553c2..548ef8e6e 100644
--- a/hicn-light/src/hicn/core/connectionTable.h
+++ b/hicn-light/src/hicn/core/connectionTable.h
@@ -84,7 +84,7 @@ const Connection *connectionTable_FindByAddressPair(ConnectionTable *table,
* @abstract Find a connection by its numeric id.
* @return NULL if not found
*/
-const Connection *connectionTable_FindById(ConnectionTable *table, unsigned id);
+const Connection *connectionTable_FindById(const ConnectionTable *table, unsigned id);
/**
* @function connectionTable_GetEntries
diff --git a/hicn-light/src/hicn/core/forwarder.c b/hicn-light/src/hicn/core/forwarder.c
index c8cac98ba..c9527bb49 100644
--- a/hicn-light/src/hicn/core/forwarder.c
+++ b/hicn-light/src/hicn/core/forwarder.c
@@ -313,7 +313,11 @@ Dispatcher *forwarder_GetDispatcher(Forwarder *forwarder) {
return forwarder->dispatcher;
}
+#ifdef WITH_POLICY
+ConnectionTable *forwarder_GetConnectionTable(const Forwarder *forwarder) {
+#else
ConnectionTable *forwarder_GetConnectionTable(Forwarder *forwarder) {
+#endif /* WITH_POLICY */
parcAssertNotNull(forwarder, "Parameter must be non-null");
return forwarder->connectionTable;
}
@@ -412,6 +416,7 @@ bool forwarder_AddOrUpdateRoute(Forwarder *forwarder,
return res;
}
+
bool forwarder_RemoveRoute(Forwarder *forwarder, remove_route_command *control,
unsigned ifidx) {
parcAssertNotNull(forwarder, "Parameter hicn-light must be non-null");
@@ -421,6 +426,25 @@ bool forwarder_RemoveRoute(Forwarder *forwarder, remove_route_command *control,
return messageProcessor_RemoveRoute(forwarder->processor, control, ifidx);
}
+#ifdef WITH_POLICY
+
+bool forwarder_AddOrUpdatePolicy(Forwarder *forwarder,
+ add_policy_command *control) {
+ parcAssertNotNull(forwarder, "Parameter forwarder must be non-null");
+ parcAssertNotNull(control, "Parameter control must be non-null");
+
+ return messageProcessor_AddOrUpdatePolicy(forwarder->processor, control);
+}
+
+bool forwarder_RemovePolicy(Forwarder *forwarder, remove_policy_command *control) {
+ parcAssertNotNull(forwarder, "Parameter forwarder must be non-null");
+ parcAssertNotNull(control, "Parameter control must be non-null");
+
+ return messageProcessor_RemovePolicy(forwarder->processor, control);
+}
+
+#endif /* WITH_POLICY */
+
void forwarder_RemoveConnectionIdFromRoutes(Forwarder *forwarder,
unsigned connectionId) {
parcAssertNotNull(forwarder, "Parameter hicn-light must be non-null");
@@ -504,16 +528,22 @@ FIB *forwarder_getFib(Forwarder *forwarder) {
return messageProcessor_getFib(forwarder->processor);
}
-void forwarder_onConnectionAdded(Forwarder *forwarder, const Connection *conn) {
- mapMe_onConnectionAdded(forwarder->mapme, conn);
+void forwarder_onConnectionEvent(Forwarder *forwarder, const Connection *conn, connection_event_t event) {
+#ifdef WITH_POLICY
+ messageProcessor_onConnectionEvent(forwarder->processor, conn, event);
+#else
+ mapMe_onConnectionEvent(forwarder->mapme, conn, event);
+#endif /* WITH_POLICY */
}
-void forwarder_onConnectionRemoved(Forwarder *forwarder,
- const Connection *conn) {}
-
-void forwarder_ProcessMapMe(Forwarder *forwarder, uint8_t *msgBuffer,
+void forwarder_ProcessMapMe(Forwarder *forwarder, const uint8_t *msgBuffer,
unsigned conn_id) {
mapMe_Process(forwarder->mapme, msgBuffer, conn_id);
}
+MapMe *
+forwarder_getMapmeInstance(const Forwarder *forwarder) {
+ return forwarder->mapme;
+}
+
#endif /* WITH_MAPME */
diff --git a/hicn-light/src/hicn/core/forwarder.h b/hicn-light/src/hicn/core/forwarder.h
index c1b279d2e..b8e68f0e4 100644
--- a/hicn-light/src/hicn/core/forwarder.h
+++ b/hicn-light/src/hicn/core/forwarder.h
@@ -156,7 +156,11 @@ ListenerSet *forwarder_GetListenerSet(Forwarder *forwarder);
* @retval null An error
*
*/
+#ifdef WITH_POLICY
+ConnectionTable *forwarder_GetConnectionTable(const Forwarder *forwarder);
+#else
ConnectionTable *forwarder_GetConnectionTable(Forwarder *forwarder);
+#endif /* WITH_POLICY */
/**
* Returns a Tick-based clock
@@ -209,6 +213,20 @@ bool forwarder_AddOrUpdateRoute(Forwarder *forwarder,
bool forwarder_RemoveRoute(Forwarder *forwarder, remove_route_command *control,
unsigned ifidx);
+#ifdef WITH_POLICY
+/**
+ * @function forwarder_AddOrUpdatePolicy
+ * @abstract Adds or updates a policy on the message processor
+ */
+bool forwarder_AddOrUpdatePolicy(Forwarder *forwarder, add_policy_command *control);
+
+/**
+ * @function forwarder_RemovePolicy
+ * @abstract Removes a policy from the message processor
+ */
+bool forwarder_RemovePolicy(Forwarder *forwarder, remove_policy_command *control);
+#endif /* WITH_POLICY */
+
/**
* Removes a connection id from all routes
*/
@@ -260,23 +278,14 @@ hicn_socket_helper_t *forwarder_GetHicnSocketHelper(Forwarder *forwarder);
FIB *forwarder_getFib(Forwarder *forwarder);
/**
- * @function forwarder_onConnectionAdded
+ * @function forwarder_onConnectionEvent
* @abstract Callback fired upon addition of a new connection through the
* control protocol.
* @param [in] forwarder - Pointer to the hICN forwarder.
* @param [in] conn - Pointer to the newly added connection.
+ * @param [in] event - Connection event
*/
-void forwarder_onConnectionAdded(Forwarder *forwarder, const Connection *conn);
-
-/**
- * @function forwarder_onConnectionRemoved
- * @abstract Callback fired upon removal of a connection through the control
- * protocol.
- * @param [in] forwarder - Pointer to the hICN forwarder.
- * @param [in] conn - Pointer to the removed connection.
- */
-void forwarder_onConnectionRemoved(Forwarder *forwarder,
- const Connection *conn);
+void forwarder_onConnectionEvent(Forwarder *forwarder, const Connection *conn, connection_event_t event);
/**
* @function forwarder_ProcessMapMe
@@ -286,9 +295,12 @@ void forwarder_onConnectionRemoved(Forwarder *forwarder,
* @param [in] msgBuffer - MAP-Me buffer
* @param [in] conn_id - Ingress connection id
*/
-void forwarder_ProcessMapMe(Forwarder *forwarder, uint8_t *msgBuffer,
+void forwarder_ProcessMapMe(Forwarder *forwarder, const uint8_t *msgBuffer,
unsigned conn_id);
+struct mapme;
+struct mapme * forwarder_getMapmeInstance(const Forwarder *forwarder);
+
#endif /* WITH_MAPME */
#endif // forwarder_h
diff --git a/hicn-light/src/hicn/core/mapMe.c b/hicn-light/src/hicn/core/mapMe.c
index 74ff1ed96..865841f67 100644
--- a/hicn-light/src/hicn/core/mapMe.c
+++ b/hicn-light/src/hicn/core/mapMe.c
@@ -24,6 +24,7 @@
#include <hicn/core/mapMe.h>
#include <stdio.h> // printf
+#include <hicn/core/connection.h>
#include <hicn/core/connectionList.h>
#include <hicn/core/forwarder.h>
#include <hicn/core/logger.h>
@@ -87,8 +88,6 @@ static MapMe MapMeDefault = {.retx = MAPME_DEFAULT_RETX,
/******************************************************************************/
-#include <hicn/core/connection.h>
-
bool mapMe_Init(MapMe **mapme, Forwarder *forwarder) {
*mapme = malloc(sizeof(MapMe));
if (!mapme) goto ERR_MALLOC;
@@ -98,12 +97,9 @@ bool mapMe_Init(MapMe **mapme, Forwarder *forwarder) {
(*mapme)->forwarder = forwarder;
- /* Install hook on Face events to onConnectionAdded */
- // see. config/configuration.c
-
- /* Install hook for signalization processing. See :
- * - io/hicnListener.c
- * - src/core/connection.{c,h}
+ /* As there is no face table and no related events, we need to install hooks
+ * in various places in the forwarder, where both control commands and
+ * signalization are processed.
*/
return true;
@@ -117,20 +113,20 @@ ERR_MALLOC:
******************************************************************************/
#define INVALID_SEQ 0
-#define INIT_SEQ 1
+#define INIT_SEQ 0
typedef struct {
uint32_t seq;
PARCHashMap *nexthops;
/* Update/Notification heuristic */
- Ticks lastAckedUpdate; // XXX This is only for producer !!!
+ Ticks lastAckedUpdate;
} MapMeTFIB;
static MapMeTFIB *mapMeTFIB_Create() {
MapMeTFIB *tfib;
tfib = malloc(sizeof(MapMeTFIB));
if (!tfib) goto ERR_MALLOC;
- tfib->seq = 0;
+ tfib->seq = INIT_SEQ;
tfib->lastAckedUpdate = 0;
tfib->nexthops = parcHashMap_Create();
if (!tfib->nexthops) goto ERR_HASHMAP;
@@ -239,7 +235,7 @@ static Message *mapMe_createMessage(const MapMe *mapme, const Name *name,
INFO(mapme, "[MAP-Me] Creating MAP-Me packet");
size_t len = hicn_mapme_create_packet(icmp_pkt, &prefix, params);
- if (len != 0) {
+ if (len == 0) {
ERR(mapme, "[MAP-Me] Failed to create mapme packet through lib");
goto ERR_CREATE;
}
@@ -341,7 +337,6 @@ static bool mapMe_setFacePending(const MapMe *mapme, const Name *name,
// set the timer.
// - in the network, we always forward an IU, and never an IN
if (is_first || send) {
- // XXX
mapme_params_t params = {
.protocol = IPPROTO_IPV6,
.type = is_first ? mapMe_getTypeFromHeuristic(mapme, fibEntry) : UPDATE,
@@ -357,7 +352,11 @@ static bool mapMe_setFacePending(const MapMe *mapme, const Name *name,
const Connection *conn =
connectionTable_FindById((ConnectionTable *)table, conn_id);
if (conn) {
- INFO(mapme, "[MAP-Me] Sending MAP-Me packet");
+ const Name * name = message_GetName(special_interest);
+ char * name_str = name_ToString(name);
+ INFO(mapme, "[MAP-Me] Sending MAP-Me packet name=%s seq=%d conn=%d",
+ name_str, params.seq, conn_id);
+ free(name_str);
connection_ReSend(conn, special_interest, NOT_A_NOTIFICATION);
} else {
INFO(mapme, "[MAP-Me] Stopped retransmissions as face went down");
@@ -439,42 +438,85 @@ static bool mapMe_hasLocalNextHops(const MapMe *mapme,
/*
* Callback called everytime a new connection is created by the control protocol
*/
-void mapMe_onConnectionAdded(const MapMe *mapme, const Connection *conn_added) {
- /* bool ret; */
- FibEntryList *fiblist;
+void mapMe_onConnectionEvent(const MapMe *mapme, const Connection *conn_added, connection_event_t event) {
+ switch(event) {
+ case CONNECTION_EVENT_CREATE:
+ case CONNECTION_EVENT_SET_UP:
+ {
+ FibEntryList *fiblist;
+
+ /* Ignore local connections corresponding to applications for now */
+ if (connection_IsLocal(conn_added))
+ return;
+
+ unsigned conn_added_id = connection_GetConnectionId(conn_added);
+ INFO(mapme, "[MAP-Me] New connection %d", conn_added_id);
+
+ /*
+ * Iterate on FIB to find locally served prefix
+ * Ideally, we want to avoid a FIB scan everytime a face is added/removed
+ */
+ fiblist = forwarder_GetFibEntries(mapme->forwarder);
+ for (size_t i = 0; i < fibEntryList_Length(fiblist); i++) {
+ FibEntry *fibEntry = (FibEntry *)fibEntryList_Get(fiblist, i);
+ const Name *name = fibEntry_GetPrefix(fibEntry);
+
+ /* Skip entries that have no local connection as next hop */
+ if (!mapMe_hasLocalNextHops(mapme, fibEntry))
+ continue;
+
+ /* This entry corresponds to a locally served prefix, set
+ * Special Interest */
+ if (!TFIB(fibEntry)) /* Create TFIB associated to FIB entry */
+ mapMe_CreateTFIB(fibEntry);
+ TFIB(fibEntry)->seq++;
+
+ char *name_str = name_ToString(name);
+ INFO(mapme, "[MAP-Me] sending IU/IN for name %s on connection %d", name_str,
+ conn_added_id);
+ free(name_str);
+
+ mapMe_setFacePending(mapme, name, fibEntry, conn_added_id, true, true, 0);
+ }
+ break;
+ }
+ case CONNECTION_EVENT_DELETE:
+ case CONNECTION_EVENT_SET_DOWN:
+ case CONNECTION_EVENT_UPDATE:
+ break;
+ }
+}
+#ifdef WITH_POLICY
+void mapMe_onPolicyUpdate(const MapMe *mapme, const Connection *conn_selected, FibEntry * fibEntry)
+{
/* Ignore local connections corresponding to applications for now */
- if (connection_IsLocal(conn_added)) return;
+ if (connection_IsLocal(conn_selected))
+ return;
- unsigned conn_added_id = connection_GetConnectionId(conn_added);
- INFO(mapme, "[MAP-Me] New connection %d", conn_added_id);
+ unsigned conn_selected_id = connection_GetConnectionId(conn_selected);
+ INFO(mapme, "[MAP-Me] New connection %d", conn_selected_id);
- /*
- * Iterate on FIB to find locally served prefix
- * Ideally, we want to avoid a FIB scan everytime a face is added/removed
- */
- fiblist = forwarder_GetFibEntries(mapme->forwarder);
- for (size_t i = 0; i < fibEntryList_Length(fiblist); i++) {
- FibEntry *fibEntry = (FibEntry *)fibEntryList_Get(fiblist, i);
- const Name *name = fibEntry_GetPrefix(fibEntry);
-
- /* Skip entries that have no local connection as next hop */
- if (!mapMe_hasLocalNextHops(mapme, fibEntry)) continue;
-
- /* This entry corresponds to a locally served prefix, set
- * Special Interest */
- if (!TFIB(fibEntry)) /* Create TFIB associated to FIB entry */
- mapMe_CreateTFIB(fibEntry);
- TFIB(fibEntry)->seq++;
-
- char *name_str = name_ToString(name);
- INFO(mapme, "[MAP-Me] sending IU/IN for name %s on connection %d", name_str,
- conn_added_id);
- free(name_str);
-
- mapMe_setFacePending(mapme, name, fibEntry, conn_added_id, true, true, 0);
- }
+ const Name *name = fibEntry_GetPrefix(fibEntry);
+
+ /* Skip entries that have no local connection as next hop */
+ if (!mapMe_hasLocalNextHops(mapme, fibEntry))
+ return;
+
+ /* This entry corresponds to a locally served prefix, set
+ * Special Interest */
+ if (!TFIB(fibEntry)) /* Create TFIB associated to FIB entry */
+ mapMe_CreateTFIB(fibEntry);
+ TFIB(fibEntry)->seq++;
+
+ char *name_str = name_ToString(name);
+ INFO(mapme, "[MAP-Me] sending IU/IN for name %s on connection %d", name_str,
+ conn_selected_id);
+ free(name_str);
+
+ mapMe_setFacePending(mapme, name, fibEntry, conn_selected_id, true, true, 0);
}
+#endif /* WITH_POLICY */
/*------------------------------------------------------------------------------
* Special Interest handling
@@ -497,6 +539,7 @@ static bool mapMe_onSpecialInterest(const MapMe *mapme,
bool rv;
Name *name = name_CreateFromPacket(msgBuffer, MessagePacketType_Interest);
+ name_setLen(name, prefix->len);
char *name_str = name_ToString(name);
INFO(mapme,
"[MAP-Me] Ack'ed Special Interest on connection %d - prefix=%s type=XX "
@@ -530,12 +573,34 @@ static bool mapMe_onSpecialInterest(const MapMe *mapme,
*/
strategy_type fwdStrategy = LAST_STRATEGY_VALUE;
+ /*
+ * It might also be due to the announcement of a more specific prefix. In
+ * that case we need to perform a FIB lookup to find the next hops to which
+ * the message should be propagated.
+ */
+#ifdef WITH_POLICY
+ fibEntry = fibEntry_Create(name, fwdStrategy, mapme->forwarder);
+#else
fibEntry = fibEntry_Create(name, fwdStrategy);
- fibEntry_AddNexthopByConnectionId(fibEntry, conn_in_id);
+#endif /* WITH_POLICY */
+ FibEntry *lpm = fib_LPM(fib, name);
mapMe_CreateTFIB(fibEntry);
- TFIB(fibEntry)->seq = seq; // INIT_SEQ;
fib_Add(fib, fibEntry);
- return true; // with proper seq, we are done
+ if (!lpm) {
+ TFIB(fibEntry)->seq = seq;
+ fibEntry_AddNexthop(fibEntry, conn_in_id);
+ return true;
+ }
+
+ /*
+ * We make a clone of the FIB entry (zero'ing the sequence number ?) with
+ * the more specific name, and proceed as usual. Worst case we clone the
+ * default route...
+ */
+ const NumberSet *lpm_nexthops = fibEntry_GetNexthops(lpm);
+ for (size_t i = 0; i < numberSet_Length(lpm_nexthops); i++) {
+ fibEntry_AddNexthop(fibEntry, numberSet_GetItem(lpm_nexthops, i));
+ }
} else if (!TFIB(fibEntry)) {
/* Create TFIB associated to FIB entry */
@@ -613,7 +678,7 @@ static bool mapMe_onSpecialInterest(const MapMe *mapme,
INFO(mapme, "[MAP-Me] - Replaced next hops by connection %d", conn_id);
fibEntry_RemoveNexthopByConnectionId(fibEntry, conn_id);
}
- fibEntry_AddNexthopByConnectionId(fibEntry, conn_in_id);
+ fibEntry_AddNexthop(fibEntry, conn_in_id);
INFO(mapme, "[MAP-Me] - (2/3) processing next hops");
bool complete = true;
@@ -658,7 +723,7 @@ static bool mapMe_onSpecialInterest(const MapMe *mapme,
INFO(mapme, "[MAP-Me] - Adding multipath next hop on connection %d",
conn_in_id);
- fibEntry_AddNexthopByConnectionId(fibEntry, conn_in_id);
+ fibEntry_AddNexthop(fibEntry, conn_in_id);
} else { // seq < fibSeq
/*
@@ -688,11 +753,19 @@ void mapMe_onSpecialInterestAck(const MapMe *mapme, const uint8_t *msgBuffer,
mapme_params_t *params) {
INFO(mapme, "[MAP-Me] Receive IU/IN Ack on connection %d", conn_in_id);
- const Name *name =
- name_CreateFromPacket(msgBuffer, MessagePacketType_Interest);
+ const Name * name =
+ name_CreateFromPacket(msgBuffer, MessagePacketType_ContentObject);
+ name_setLen(name, prefix->len);
+ char * name_str = name_ToString(name);
+ INFO(mapme, "[MAP-Me] Received ack for name prefix=%s seq=%d on conn id=%d",
+ name_str, params->seq, conn_in_id);
+ free(name_str);
FIB *fib = forwarder_getFib(mapme->forwarder);
FibEntry *fibEntry = fib_Contains(fib, name);
+ if (!fibEntry) {
+ return;
+ }
parcAssertNotNull(fibEntry,
"No corresponding FIB entry for name contained in IU Ack");
@@ -758,23 +831,21 @@ void mapMe_onSpecialInterestAck(const MapMe *mapme, const uint8_t *msgBuffer,
/*
* Returns true iif the message corresponds to a MAP-Me packet
*/
-bool mapMe_isMapMe(const uint8_t *msgBuffer) {
- uint8_t next_header = messageHandler_NextHeaderType(msgBuffer);
-
- const uint8_t *icmp_ptr;
- if (next_header == IPPROTO_ICMP) {
- icmp_ptr = msgBuffer + IPV4_HDRLEN;
- } else if (next_header == IPPROTO_ICMPV6) {
- icmp_ptr = msgBuffer + IPV6_HDRLEN;
- } else {
- return false;
+bool mapMe_isMapMe(const uint8_t *packet) {
+ hicn_mapme_header_t * mapme = (hicn_mapme_header_t*)packet;
+
+ switch(HICN_IP_VERSION(packet)) {
+ case 4:
+ if (mapme->v4.ip.protocol != IPPROTO_ICMP)
+ return false;
+ return HICN_IS_MAPME(mapme->v4.icmp_rd.type, mapme->v4.icmp_rd.code);
+ case 6:
+ if (mapme->v6.ip.nxt != IPPROTO_ICMPV6)
+ return false;
+ return HICN_IS_MAPME(mapme->v6.icmp_rd.type, mapme->v6.icmp_rd.code);
+ default:
+ return false;
}
-
- uint8_t type = ((_icmp_header_t *)icmp_ptr)->type;
- uint8_t code = ((_icmp_header_t *)icmp_ptr)->code;
- if (HICN_IS_MAPME(type, code)) return true;
-
- return false;
}
/**
@@ -794,7 +865,6 @@ void mapMe_Process(const MapMe *mapme, const uint8_t *msgBuffer,
mapme_params_t params;
hicn_mapme_parse_packet(msgBuffer, &prefix, &params);
- // XXX Dispatch message dependenging on type
switch (params.type) {
case UPDATE:
case NOTIFICATION:
@@ -805,7 +875,7 @@ void mapMe_Process(const MapMe *mapme, const uint8_t *msgBuffer,
mapMe_onSpecialInterestAck(mapme, msgBuffer, conn_id, &prefix, &params);
break;
default:
- printf("E:Unknown message\n");
+ ERR(mapme, "[MAP-Me] Unknown message");
break;
}
}
diff --git a/hicn-light/src/hicn/core/mapMe.h b/hicn-light/src/hicn/core/mapMe.h
index a99d4710b..7ea90d299 100644
--- a/hicn-light/src/hicn/core/mapMe.h
+++ b/hicn-light/src/hicn/core/mapMe.h
@@ -26,9 +26,9 @@
#include <stdbool.h>
#include <stdint.h>
-#include <hicn/io/hicnListener.h>
-
#include <hicn/hicn.h>
+#include <hicn/core/forwarder.h>
+#include <hicn/core/connection.h>
#include <hicn/utils/commands.h>
struct mapme;
@@ -63,14 +63,23 @@ void mapMe_Process(const MapMe *mapme, const uint8_t *msgBuffer,
unsigned conn_id);
/**
- * @function mapMe_onConnectionAdded
+ * @function mapMe_onConnectionEvent
* @abstract Callback following the addition of the face though the control
* protocol.
* @discussion This callback triggers the sending of control packets by MAP-Me.
* @param [in] mapme - Pointer to the MAP-Me data structure.
* @param [in] conn - The newly added connection.
+ * @param [in] event - Connection event
+ */
+void mapMe_onConnectionEvent(const MapMe *mapme, const Connection *conn, connection_event_t event);
+
+#ifdef WITH_POLICY
+
+/**
+ * @function mapMe_onPolicyUpdate
*/
-void mapMe_onConnectionAdded(const MapMe *mapme, const Connection *conn);
+void mapMe_onPolicyUpdate(const MapMe *mapme, const Connection *conn_added, FibEntry * fibEntry);
+#endif /* WITH_POLICY */
/**
* @function mapMe_getNextHops
diff --git a/hicn-light/src/hicn/core/message.c b/hicn-light/src/hicn/core/message.c
index b0140eda4..5d0d04ae4 100644
--- a/hicn-light/src/hicn/core/message.c
+++ b/hicn-light/src/hicn/core/message.c
@@ -220,7 +220,6 @@ Message *message_CreateWldrNotification(Message *original, uint16_t expected,
// set notification stuff.
messageHandler_SetWldrNotification(
message->messageHead, original->messageHead, expected, lastReceived);
- // XXX: what about the checksum?
return message;
}
diff --git a/hicn-light/src/hicn/core/messageHandler.h b/hicn-light/src/hicn/core/messageHandler.h
index c1fc0481a..74535d80f 100644
--- a/hicn-light/src/hicn/core/messageHandler.h
+++ b/hicn-light/src/hicn/core/messageHandler.h
@@ -55,6 +55,11 @@
#include <hicn/core/forwarder.h>
+#ifdef WITH_MAPME
+#include <hicn/core/mapMe.h>
+#include <hicn/socket/api.h>
+#endif /* WITH_MAPME */
+
#define CONNECTION_ID_UNDEFINED -1
static inline uint8_t messageHandler_GetIPPacketType(const uint8_t *message) {
@@ -168,76 +173,32 @@ static inline uint8_t messageHandler_NextHeaderType(const uint8_t *message) {
/* Forward declarations */
static inline void * messageHandler_GetSource(const uint8_t *message);
-
-/* Helpers */
-
-// NOTE: this function is generalized from the one in hICN listener and takes a
-// forwarder as parameter
-static inline
-const Connection *
-_getConnectionFromPacket(Forwarder * forwarder, Address * localAddress, Address *packetSourceAddress)
-{
- if (!packetSourceAddress)
- return NULL;
-
- AddressPair *pair = addressPair_Create(localAddress,
- packetSourceAddress);
- const Connection * conn = connectionTable_FindByAddressPair(
- forwarder_GetConnectionTable(forwarder), pair);
- addressPair_Release(&pair);
-
- return conn;
-}
-
-static inline
-Address *
-_createAddressFromPacket(const uint8_t *msgBuffer)
-{
- Address *packetAddr = NULL;
- if (messageHandler_GetIPPacketType(msgBuffer) == IPv6_TYPE) {
- struct sockaddr_in6 addr_in6;
- addr_in6.sin6_family = AF_INET6;
- addr_in6.sin6_port = htons(1234);
- addr_in6.sin6_flowinfo = 0;
- addr_in6.sin6_scope_id = 0;
- memcpy(&addr_in6.sin6_addr,
- (struct in6_addr *)messageHandler_GetSource(msgBuffer), 16);
- packetAddr = addressCreateFromInet6(&addr_in6);
- } else if (messageHandler_GetIPPacketType(msgBuffer) == IPv4_TYPE) {
- struct sockaddr_in addr_in;
- addr_in.sin_family = AF_INET;
- addr_in.sin_port = htons(1234);
- memcpy(&addr_in.sin_addr,
- (struct in_addr *)messageHandler_GetSource(msgBuffer), 4);
- packetAddr = addressCreateFromInet(&addr_in);
- }
- return packetAddr;
-}
-
-/* Hooks */
-
-/* ... */
+static inline void *messageHandler_GetDestination(const uint8_t *message);
/* Main hook handler */
/**
* \brief Handle incoming messages
* \param [in] forwarder - Reference to the Forwarder instance
- * \param [in] connection_id - A hint on the connection ID on which the packet
- * was received, CONNECTION_ID_UNDEFINED (-1) otherwise.
- * \param [in] localAddress - Local listener address
- * \param [in] messsage - Buffer possibly containing a hooked message
+ * \param [in] packet - Packet buffer
+ * \param [in] conn_id - A hint on the connection ID on which the packet
+ * was received
* \return Flag indicating whether the packet matched a hook and was
* (successfully or not) processed.
*/
static inline bool messageHandler_handleHooks(Forwarder * forwarder,
- int connection_id, Address * localAddress, const uint8_t * message)
+ const uint8_t * packet, int conn_id)
{
- /* ... */
+#ifdef WITH_MAPME
+ if (mapMe_isMapMe(packet)) {
+ forwarder_ProcessMapMe(forwarder, packet, conn_id);
+ goto END;
+ }
+#endif /* WITH_MAPME */
return false;
-#if 0 // Enable and jump here when a handler has successfully processed the packet
+#if 1 // Enable and jump here when a handler has successfully processed the packet
END:
return true;
#endif
diff --git a/hicn-light/src/hicn/core/name.c b/hicn-light/src/hicn/core/name.c
index ed3432ec5..8cf8dacbc 100644
--- a/hicn-light/src/hicn/core/name.c
+++ b/hicn-light/src/hicn/core/name.c
@@ -234,3 +234,9 @@ char *name_ToString(const Name *name) {
void name_setLen(const Name *name, uint8_t len) {
nameBitvector_setLen(name->content_name, len);
}
+
+#ifdef WITH_POLICY
+uint32_t name_GetSuffix(const Name * name) {
+ return name->segment;
+}
+#endif /* WITH_POLICY */
diff --git a/hicn-light/src/hicn/core/name.h b/hicn-light/src/hicn/core/name.h
index 8ab75cf05..4eb80cf36 100644
--- a/hicn-light/src/hicn/core/name.h
+++ b/hicn-light/src/hicn/core/name.h
@@ -102,4 +102,8 @@ void name_setLen(const Name *name, uint8_t len);
Name *name_CreateFromAddress(address_type addressType, union commandAddr addr,
uint8_t len);
+#ifdef WITH_POLICY
+uint32_t name_GetSuffix(const Name * name);
+#endif /* WITH_POLICY */
+
#endif // name_h
diff --git a/hicn-light/src/hicn/io/hicnConnection.c b/hicn-light/src/hicn/io/hicnConnection.c
index 6193e8696..124885b33 100644
--- a/hicn-light/src/hicn/io/hicnConnection.c
+++ b/hicn-light/src/hicn/io/hicnConnection.c
@@ -218,7 +218,6 @@ static void _destroy(IoOperations **opsPtr) {
__func__, "HicnConnection %p destroyed", (void *)hicnConnState);
}
- // XXX
// do not close hicListenerSocket, the listener will close
// that when its done
// should I say something to libhicn?
@@ -279,7 +278,6 @@ static bool _send(IoOperations *ops, const Address *dummy, Message *message) {
_HicnState *hicnConnState = (_HicnState *)ioOperations_GetClosure(ops);
// NAT for HICN
- // XXX
if (message_GetType(message) == MessagePacketType_ContentObject) {
// this is a data packet. We need to put the remote address in the
// destination field
diff --git a/hicn-light/src/hicn/io/hicnListener.c b/hicn-light/src/hicn/io/hicnListener.c
index 40cdadcd6..e8cab9aca 100644
--- a/hicn-light/src/hicn/io/hicnListener.c
+++ b/hicn-light/src/hicn/io/hicnListener.c
@@ -29,12 +29,6 @@
#include <hicn/core/connection.h>
#include <hicn/core/connectionTable.h>
#include <hicn/core/forwarder.h>
-#ifdef WITH_MAPME
-#include <hicn/config/symbolicNameTable.h>
-#include <hicn/core/mapMe.h>
-#include <hicn/core/message.h>
-#include <hicn/io/hicnTunnel.h>
-#endif /* WITH_MAPME */
#include <parc/algol/parc_Memory.h>
#include <parc/algol/parc_Network.h>
#include <parc/assert/parc_Assert.h>
@@ -82,13 +76,19 @@ static unsigned _getInterfaceIndex(const ListenerOps *ops);
static const Address *_getListenAddress(const ListenerOps *ops);
static EncapType _getEncapType(const ListenerOps *ops);
static int _getSocket(const ListenerOps *ops);
-
-static ListenerOps _hicnTemplate = {.context = NULL,
- .destroy = &_destroy,
- .getInterfaceIndex = &_getInterfaceIndex,
- .getListenAddress = &_getListenAddress,
- .getEncapType = &_getEncapType,
- .getSocket = &_getSocket};
+static unsigned _createNewConnection(ListenerOps *listener, int fd, const AddressPair *pair);
+static const Connection * _lookupConnection(ListenerOps * listener, const AddressPair *pair);
+
+static ListenerOps _hicnTemplate = {
+ .context = NULL,
+ .destroy = &_destroy,
+ .getInterfaceIndex = &_getInterfaceIndex,
+ .getListenAddress = &_getListenAddress,
+ .getEncapType = &_getEncapType,
+ .getSocket = &_getSocket,
+ .createConnection = &_createNewConnection,
+ .lookupConnection = &_lookupConnection,
+};
static void _hicnListener_readcb(int fd, PARCEventType what, void *hicnVoid);
@@ -177,12 +177,6 @@ ListenerOps *hicnListener_CreateInet(Forwarder *forwarder, char *symbolic,
parcAssertFalse(failure, "fcntl failed to set file descriptor flags (%d)",
errno);
- hicn->hicn_event = dispatcher_CreateNetworkEvent(
- forwarder_GetDispatcher(forwarder), true, _hicnListener_readcb,
- (void *)hicn, hicn->hicn_fd);
- dispatcher_StartNetworkEvent(forwarder_GetDispatcher(forwarder),
- hicn->hicn_event);
-
ListenerOps *ops = parcMemory_AllocateAndClear(sizeof(ListenerOps));
parcAssertNotNull(ops, "parcMemory_AllocateAndClear(%zu) returned NULL",
sizeof(ListenerOps));
@@ -190,6 +184,13 @@ ListenerOps *hicnListener_CreateInet(Forwarder *forwarder, char *symbolic,
memcpy(ops, &_hicnTemplate, sizeof(ListenerOps));
ops->context = hicn;
+ hicn->hicn_event = dispatcher_CreateNetworkEvent(
+ forwarder_GetDispatcher(forwarder), true, _hicnListener_readcb,
+ (void *)ops, hicn->hicn_fd);
+ dispatcher_StartNetworkEvent(forwarder_GetDispatcher(forwarder),
+ hicn->hicn_event);
+
+
if (logger_IsLoggable(hicn->logger, LoggerFacility_IO, PARCLogLevel_Debug)) {
logger_Log(hicn->logger, LoggerFacility_IO, PARCLogLevel_Debug, __func__,
"HicnListener %s created", symbolic);
@@ -267,12 +268,6 @@ ListenerOps *hicnListener_CreateInet6(Forwarder *forwarder, char *symbolic,
parcAssertFalse(failure, "fcntl failed to set file descriptor flags (%d)",
errno);
- hicn->hicn_event = dispatcher_CreateNetworkEvent(
- forwarder_GetDispatcher(forwarder), true, _hicnListener_readcb,
- (void *)hicn, hicn->hicn_fd);
- dispatcher_StartNetworkEvent(forwarder_GetDispatcher(forwarder),
- hicn->hicn_event);
-
ListenerOps *ops = parcMemory_AllocateAndClear(sizeof(ListenerOps));
parcAssertNotNull(ops, "parcMemory_AllocateAndClear(%zu) returned NULL",
sizeof(ListenerOps));
@@ -280,6 +275,12 @@ ListenerOps *hicnListener_CreateInet6(Forwarder *forwarder, char *symbolic,
memcpy(ops, &_hicnTemplate, sizeof(ListenerOps));
ops->context = hicn;
+ hicn->hicn_event = dispatcher_CreateNetworkEvent(
+ forwarder_GetDispatcher(forwarder), true, _hicnListener_readcb,
+ (void *)ops, hicn->hicn_fd);
+ dispatcher_StartNetworkEvent(forwarder_GetDispatcher(forwarder),
+ hicn->hicn_event);
+
if (logger_IsLoggable(hicn->logger, LoggerFacility_IO, PARCLogLevel_Debug)) {
logger_Log(hicn->logger, LoggerFacility_IO, PARCLogLevel_Debug, __func__,
"HicnListener %s created", symbolic);
@@ -405,7 +406,6 @@ static void _hicnListener_Destroy(HicnListener **listenerPtr) {
HicnListener *hicn = *listenerPtr;
- // close(hicn->hicn_fd); //XXX close the fd in the hicnlib (detroy listener?)
dispatcher_DestroyNetworkEvent(forwarder_GetDispatcher(hicn->forwarder),
&hicn->hicn_event);
logger_Release(&hicn->logger);
@@ -454,8 +454,6 @@ static void _readFrameToDiscard(HicnListener *hicn, int fd) {
"Discarded frame from fd %d", fd);
}
} else if (nread < 0) {
- printf("Error trying to discard frame from fd %d: (%d) %s", fd, errno,
- strerror(errno));
if (logger_IsLoggable(hicn->logger, LoggerFacility_IO,
PARCLogLevel_Error)) {
logger_Log(hicn->logger, LoggerFacility_IO, PARCLogLevel_Error, __func__,
@@ -465,8 +463,9 @@ static void _readFrameToDiscard(HicnListener *hicn, int fd) {
}
}
-static unsigned _createNewConnection(HicnListener *hicn, int fd,
+static unsigned _createNewConnection(ListenerOps * listener, int fd,
const AddressPair *pair) {
+ HicnListener * hicn = (HicnListener *)listener->context;
bool isLocal = false;
// udpConnection_Create takes ownership of the pair
@@ -479,8 +478,11 @@ static unsigned _createNewConnection(HicnListener *hicn, int fd,
return connid;
}
-const Connection *_findConnectionFromPacket(HicnListener *hicn,
- Address *packetSourceAddress) {
+static const Connection * _lookupConnection(ListenerOps * listener,
+ const AddressPair *pair) {
+ HicnListener * hicn = (HicnListener*)listener->context;
+ const Address * packetSourceAddress = addressPair_GetLocal(pair);
+
const Connection *conn = NULL;
if (hicn->connection_id != -1) {
conn = connectionTable_FindById(
@@ -500,7 +502,6 @@ const Connection *_findConnectionFromPacket(HicnListener *hicn,
return conn;
}
-#if 0
static Address *_createAddressFromPacket(uint8_t *msgBuffer) {
Address *packetAddr = NULL;
if (messageHandler_GetIPPacketType(msgBuffer) == IPv6_TYPE) {
@@ -522,25 +523,33 @@ static Address *_createAddressFromPacket(uint8_t *msgBuffer) {
}
return packetAddr;
}
-#endif
-static void _handleProbeMessage(HicnListener *hicn, uint8_t *msgBuffer) {
+static void _handleProbeMessage(ListenerOps * listener, uint8_t *msgBuffer) {
+ HicnListener * hicn = (HicnListener *)listener->context;
+
Address *packetAddr = _createAddressFromPacket(msgBuffer);
+ AddressPair * pair = addressPair_Create(packetAddr, /* dummy */ hicn->localAddress);
- if (packetAddr != NULL) {
- const Connection *conn = _findConnectionFromPacket(hicn, packetAddr);
- if (conn != NULL) {
- // we drop all the probes for a connection that does not exists
- connection_HandleProbe((Connection *)conn, msgBuffer,
- forwarder_GetTicks(hicn->forwarder));
- }
- }
+ if (!packetAddr)
+ goto DROP;
+
+ // we drop all the probes for a connection that does not exists
+ const Connection *conn = _lookupConnection(listener, pair);
+ if (!conn)
+ goto DROP;
+
+ connection_HandleProbe((Connection *)conn, msgBuffer,
+ forwarder_GetTicks(hicn->forwarder));
+DROP:
+ addressPair_Release(&pair);
addressDestroy(&packetAddr);
parcMemory_Deallocate((void **)&msgBuffer);
}
-static void _handleWldrNotification(HicnListener *hicn, uint8_t *msgBuffer) {
+static void _handleWldrNotification(ListenerOps *listener, uint8_t *msgBuffer) {
+ HicnListener * hicn = (HicnListener *)listener->context;
+
Address *packetAddr = _createAddressFromPacket(msgBuffer);
if (packetAddr == NULL) {
@@ -548,14 +557,18 @@ static void _handleWldrNotification(HicnListener *hicn, uint8_t *msgBuffer) {
return;
}
- const Connection *conn = _findConnectionFromPacket(hicn, packetAddr);
+ AddressPair * pair = addressPair_Create(packetAddr, /* dummy */ hicn->localAddress);
+
+ const Connection *conn = _lookupConnection(listener, pair);
+
+ addressPair_Release(&pair);
+ addressDestroy(&packetAddr);
+
if (conn == NULL) {
- addressDestroy(&packetAddr);
+ parcMemory_Deallocate((void **)&msgBuffer);
return;
}
- addressDestroy(&packetAddr);
-
Message *message = message_CreateFromByteArray(
connection_GetConnectionId(conn), msgBuffer,
MessagePacketType_WldrNotification, forwarder_GetTicks(hicn->forwarder),
@@ -566,75 +579,87 @@ static void _handleWldrNotification(HicnListener *hicn, uint8_t *msgBuffer) {
message_Release(&message);
}
-#ifdef WITH_MAPME
-static void _handleMapMe(HicnListener *hicn, int fd, uint8_t *msgBuffer) {
- Address *packetAddr = _createAddressFromPacket(msgBuffer);
-
- if (packetAddr == NULL) {
- parcMemory_Deallocate((void **)&msgBuffer);
- return;
- }
-
- const Connection *conn = _findConnectionFromPacket(hicn, packetAddr);
- unsigned conn_id;
- if (conn == NULL) {
- /* Unlike the interest path, we don't create virtual connections bound
- * on the listener, whose only interest is to send data, but full
- * tunnels to be able to route interests
- *
- * packetAddr is the remote address, we need to ask the lib for our
- * local address
- * hicn->localAddress is None as the interest is received by the main
- * listener.
- */
- printf("MapMe, connection did not exist, creating\n");
-
- /* Populate remote_address through packetAddr */
- struct sockaddr_in6 sockaddr; // XXX IPv6 only
- addressGetInet6(packetAddr, &sockaddr);
- ip_address_t remote_address = {.family = AF_INET6,
- .prefix_len = IPV6_ADDR_LEN_BITS};
- memcpy(&remote_address.buffer, &sockaddr.sin6_addr,
- ip_address_len(&remote_address));
-
- /* Get local address through libhicn */
- ip_address_t local_address;
- int rc = hicn_get_local_address(&remote_address, &local_address);
- if (rc < 0) {
- printf("Error getting local address. Discarded mapme packet.\n");
- return;
- }
+static const
+AddressPair *
+_createRecvAddressPairFromPacket(const uint8_t *msgBuffer) {
+ Address *packetSrcAddr = NULL; /* This one is in the packet */
+ Address *localAddr = NULL; /* This one is to be determined */
+ if (messageHandler_GetIPPacketType(msgBuffer) == IPv6_TYPE) {
struct sockaddr_in6 addr_in6;
addr_in6.sin6_family = AF_INET6;
addr_in6.sin6_port = htons(1234);
addr_in6.sin6_flowinfo = 0;
addr_in6.sin6_scope_id = 0;
- memcpy(&addr_in6.sin6_addr, (struct in6_addr *)&(local_address.buffer), 16);
+ memcpy(&addr_in6.sin6_addr,
+ (struct in6_addr *)messageHandler_GetSource(msgBuffer), 16);
+ packetSrcAddr = addressCreateFromInet6(&addr_in6);
+
+ /* We now determine the local address used to reach the packet src address */
+ int sock = socket (AF_INET6, SOCK_DGRAM, 0);
+ if (sock < 0)
+ goto ERR;
+
+ struct sockaddr_in6 remote, local;
+ memset(&remote, 0, sizeof(remote));
+ remote.sin6_family = AF_INET6;
+ remote.sin6_addr = addr_in6.sin6_addr;
+ remote.sin6_port = htons(1234);
+
+ socklen_t locallen = sizeof(local);
+ if (connect(sock, (const struct sockaddr*)&remote, sizeof(remote)) == -1)
+ goto ERR;
+ if (getsockname(sock, (struct sockaddr*) &local, &locallen) == -1)
+ goto ERR;
- Address *localAddr = addressCreateFromInet6(&addr_in6);
- IoOperations *ops =
- hicnTunnel_Create(hicn->forwarder, localAddr, packetAddr);
+ local.sin6_port = htons(1234);
+ localAddr = addressCreateFromInet6(&local);
- if (!ops) {
- printf("Error creating tunnel. Discarded mapme packet.\n");
- return;
+ close(sock);
+
+ } else if (messageHandler_GetIPPacketType(msgBuffer) == IPv4_TYPE) {
+ struct sockaddr_in addr_in;
+ addr_in.sin_family = AF_INET;
+ addr_in.sin_port = htons(1234);
+ memcpy(&addr_in.sin_addr,
+ (struct in_addr *)messageHandler_GetSource(msgBuffer), 4);
+ packetSrcAddr = addressCreateFromInet(&addr_in);
+
+ /* We now determine the local address used to reach the packet src address */
+
+ int sock = socket (AF_INET, SOCK_DGRAM, 0);
+ if (sock < 0) {
+ perror("Socket error");
+ goto ERR;
}
- conn = connection_Create(ops);
+ struct sockaddr_in remote, local;
+ memset(&remote, 0, sizeof(remote));
+ remote.sin_family = AF_INET;
+ remote.sin_addr = addr_in.sin_addr;
+ remote.sin_port = htons(1234);
- connectionTable_Add(forwarder_GetConnectionTable(hicn->forwarder),
- (Connection *)conn);
- }
- conn_id = connection_GetConnectionId(conn);
+ socklen_t locallen = sizeof(local);
+ if (connect(sock, (const struct sockaddr*)&remote, sizeof(remote)) == -1)
+ goto ERR;
+ if (getsockname(sock, (struct sockaddr*) &local, &locallen) == -1)
+ goto ERR;
- addressDestroy(&packetAddr);
+ local.sin_port = htons(1234);
+ localAddr = addressCreateFromInet(&local);
+
+ close(sock);
+ }
+ /* As this is a receive pair, we swap src and dst */
+ return addressPair_Create(localAddr, packetSrcAddr);
- forwarder_ProcessMapMe(hicn->forwarder, msgBuffer, conn_id);
+ERR:
+ perror("Socket error");
+ return NULL;
}
-#endif /* WITH_MAPME */
-static Message *_readMessage(HicnListener *hicn, int fd, uint8_t *msgBuffer) {
+static Message *_readMessage(ListenerOps * listener, int fd, uint8_t *msgBuffer) {
+ HicnListener * hicn = (HicnListener*)listener->context;
Message *message = NULL;
ssize_t readLength = read(fd, msgBuffer, MTU_SIZE);
@@ -667,11 +692,13 @@ static Message *_readMessage(HicnListener *hicn, int fd, uint8_t *msgBuffer) {
// run time) uses as a local address 0::0, so the main tun
pktType = MessagePacketType_Interest;
Address *packetAddr = _createAddressFromPacket(msgBuffer);
- const Connection *conn = _findConnectionFromPacket(hicn, packetAddr);
+ AddressPair *pair_find = addressPair_Create(packetAddr, /* dummy */ hicn->localAddress);
+ const Connection *conn = _lookupConnection(listener, pair_find);
+ addressPair_Release(&pair_find);
if (conn == NULL) {
AddressPair *pair = addressPair_Create(hicn->localAddress, packetAddr);
- connid = _createNewConnection(hicn, fd, pair);
+ connid = _createNewConnection(listener, fd, pair);
addressPair_Release(&pair);
} else {
connid = connection_GetConnectionId(conn);
@@ -690,42 +717,52 @@ static Message *_readMessage(HicnListener *hicn, int fd, uint8_t *msgBuffer) {
parcMemory_Deallocate((void **)&msgBuffer);
}
} else if (messageHandler_IsWldrNotification(msgBuffer)) {
- _handleWldrNotification(hicn, msgBuffer);
+ _handleWldrNotification(listener, msgBuffer);
} else if (messageHandler_IsLoadBalancerProbe(msgBuffer)) {
- _handleProbeMessage(hicn, msgBuffer);
-#ifdef WITH_MAPME
- } else if (mapMe_isMapMe(msgBuffer)) {
- /* This function triggers the handling of the MAP-Me message, and we
- * will return NULL so as to terminate the processing of this
- * msgBuffer. */
- _handleMapMe(hicn, fd, msgBuffer);
-#endif /* WITH_MAPME */
- }
+ _handleProbeMessage(listener, msgBuffer);
+ } else {
+ const AddressPair * pair = _createRecvAddressPairFromPacket(msgBuffer);
+ if (!pair)
+ goto ERR;
+
+ /* Find connection and eventually create it */
+ const Connection * conn = connectionTable_FindByAddressPair(
+ forwarder_GetConnectionTable(hicn->forwarder), pair);
+ unsigned conn_id;
+ if (conn == NULL) {
+ conn_id = listener->createConnection(listener, fd, pair);
+ } else {
+ conn_id = connection_GetConnectionId(conn);
+ }
- if (messageHandler_handleHooks(hicn->forwarder, hicn->connection_id,
- hicn->localAddress, msgBuffer))
- goto END;
+ messageHandler_handleHooks(hicn->forwarder, msgBuffer, conn_id);
+
+ERR:
+ parcMemory_Deallocate((void **)&msgBuffer);
+
+ }
-END:
return message;
}
-static void _receivePacket(HicnListener *hicn, int fd) {
+static void _receivePacket(ListenerOps * listener, int fd) {
+ HicnListener * hicn = (HicnListener*)listener->context;
Message *msg = NULL;
uint8_t *msgBuffer = parcMemory_AllocateAndClear(MTU_SIZE);
- msg = _readMessage(hicn, fd, msgBuffer);
+ msg = _readMessage(listener, fd, msgBuffer);
if (msg) {
forwarder_Receive(hicn->forwarder, msg);
}
}
-static void _hicnListener_readcb(int fd, PARCEventType what, void *hicnVoid) {
- HicnListener *hicn = (HicnListener *)hicnVoid;
+static void _hicnListener_readcb(int fd, PARCEventType what, void *listener_void) {
+ ListenerOps * listener = (ListenerOps *)listener_void;
+ HicnListener *hicn = (HicnListener *)listener->context;
if (hicn->inetFamily == IPv4 || hicn->inetFamily == IPv6) {
if (what & PARCEventType_Read) {
- _receivePacket(hicn, fd);
+ _receivePacket(listener, fd);
}
} else {
_readFrameToDiscard(hicn, fd);
diff --git a/hicn-light/src/hicn/io/listener.h b/hicn-light/src/hicn/io/listener.h
index 3d195ee88..ef1955b12 100644
--- a/hicn-light/src/hicn/io/listener.h
+++ b/hicn-light/src/hicn/io/listener.h
@@ -27,6 +27,8 @@
#define listener_h
#include <hicn/utils/address.h>
+#include <hicn/io/addressPair.h>
+#include <hicn/core/connection.h>
struct listener_ops;
typedef struct listener_ops ListenerOps;
@@ -101,5 +103,8 @@ struct listener_ops {
* @endcode
*/
int (*getSocket)(const ListenerOps *ops);
+
+ unsigned (*createConnection)(ListenerOps *listener, int fd, const AddressPair *pair);
+ const Connection * (*lookupConnection)(ListenerOps * listener, const AddressPair *pair);
};
#endif // listener_h
diff --git a/hicn-light/src/hicn/io/udpListener.c b/hicn-light/src/hicn/io/udpListener.c
index 3dd4b466c..32f633984 100644
--- a/hicn-light/src/hicn/io/udpListener.c
+++ b/hicn-light/src/hicn/io/udpListener.c
@@ -36,10 +36,6 @@
#include <hicn/core/forwarder.h>
#include <hicn/core/messagePacketType.h>
-#ifdef WITH_MAPME
-#include <hicn/core/mapMe.h>
-#endif /* WITH_MAPME */
-
#define IPv4 4
#define IPv6 6
@@ -60,15 +56,21 @@ static unsigned _getInterfaceIndex(const ListenerOps *ops);
static const Address *_getListenAddress(const ListenerOps *ops);
static EncapType _getEncapType(const ListenerOps *ops);
static int _getSocket(const ListenerOps *ops);
+static unsigned _createNewConnection(ListenerOps *listener, int fd, const AddressPair *pair);
+static const Connection * _lookupConnection(ListenerOps * listener, const AddressPair *pair);
+
+static ListenerOps udpTemplate = {
+ .context = NULL,
+ .destroy = &_destroy,
+ .getInterfaceIndex = &_getInterfaceIndex,
+ .getListenAddress = &_getListenAddress,
+ .getEncapType = &_getEncapType,
+ .getSocket = &_getSocket,
+ .createConnection = &_createNewConnection,
+ .lookupConnection = &_lookupConnection,
+};
-static ListenerOps udpTemplate = {.context = NULL,
- .destroy = &_destroy,
- .getInterfaceIndex = &_getInterfaceIndex,
- .getListenAddress = &_getListenAddress,
- .getEncapType = &_getEncapType,
- .getSocket = &_getSocket};
-
-static void _readcb(int fd, PARCEventType what, void *udpVoid);
+static void _readcb(int fd, PARCEventType what, void * listener_void);
#ifdef __linux__
ListenerOps *udpListener_CreateInet6(Forwarder *forwarder,
@@ -123,11 +125,6 @@ ListenerOps *udpListener_CreateInet6(Forwarder *forwarder,
setsockopt(udp->udp_socket, SOL_SOCKET, SO_BINDTODEVICE,
interfaceName, strlen(interfaceName) + 1);
#endif
- udp->udp_event =
- dispatcher_CreateNetworkEvent(forwarder_GetDispatcher(forwarder), true,
- _readcb, (void *)udp, udp->udp_socket);
- dispatcher_StartNetworkEvent(forwarder_GetDispatcher(forwarder),
- udp->udp_event);
ops = parcMemory_AllocateAndClear(sizeof(ListenerOps));
parcAssertNotNull(ops, "parcMemory_AllocateAndClear(%zu) returned NULL",
@@ -135,6 +132,12 @@ ListenerOps *udpListener_CreateInet6(Forwarder *forwarder,
memcpy(ops, &udpTemplate, sizeof(ListenerOps));
ops->context = udp;
+ udp->udp_event =
+ dispatcher_CreateNetworkEvent(forwarder_GetDispatcher(forwarder), true,
+ _readcb, (void*)ops, udp->udp_socket);
+ dispatcher_StartNetworkEvent(forwarder_GetDispatcher(forwarder),
+ udp->udp_event);
+
if (logger_IsLoggable(udp->logger, LoggerFacility_IO, PARCLogLevel_Debug)) {
char *str = addressToString(udp->localAddress);
logger_Log(udp->logger, LoggerFacility_IO, PARCLogLevel_Debug, __func__,
@@ -214,18 +217,19 @@ ListenerOps *udpListener_CreateInet(Forwarder *forwarder,
setsockopt(udp->udp_socket, SOL_SOCKET, SO_BINDTODEVICE,
interfaceName, strlen(interfaceName) + 1);
#endif
- udp->udp_event =
- dispatcher_CreateNetworkEvent(forwarder_GetDispatcher(forwarder), true,
- _readcb, (void *)udp, udp->udp_socket);
- dispatcher_StartNetworkEvent(forwarder_GetDispatcher(forwarder),
- udp->udp_event);
-
ops = parcMemory_AllocateAndClear(sizeof(ListenerOps));
parcAssertNotNull(ops, "parcMemory_AllocateAndClear(%zu) returned NULL",
sizeof(ListenerOps));
memcpy(ops, &udpTemplate, sizeof(ListenerOps));
ops->context = udp;
+ udp->udp_event =
+ dispatcher_CreateNetworkEvent(forwarder_GetDispatcher(forwarder), true,
+ _readcb, (void *)ops, udp->udp_socket);
+ dispatcher_StartNetworkEvent(forwarder_GetDispatcher(forwarder),
+ udp->udp_event);
+
+
if (logger_IsLoggable(udp->logger, LoggerFacility_IO, PARCLogLevel_Debug)) {
char *str = addressToString(udp->localAddress);
logger_Log(udp->logger, LoggerFacility_IO, PARCLogLevel_Debug, __func__,
@@ -341,28 +345,12 @@ static AddressPair *_constructAddressPair(UdpListener *udp,
return pair;
}
-/**
- * @function _lookupConnectionId
- * @abstract Lookup a connection in the connection table
- * @discussion
- * Looks up the connection in the connection table and returns the connection
- * id if it exists.
- *
- * @param outputConnectionIdPtr is the output parameter
- * @return true if connection found and outputConnectionIdPtr set
- */
-static bool _lookupConnectionId(UdpListener *udp, AddressPair *pair,
- unsigned *outputConnectionIdPtr) {
+static const Connection * _lookupConnection(ListenerOps * listener,
+ const AddressPair *pair) {
+ UdpListener * udp = (UdpListener *)listener->context;
ConnectionTable *connTable = forwarder_GetConnectionTable(udp->forwarder);
+ return connectionTable_FindByAddressPair(connTable, pair);
- const Connection *conn = connectionTable_FindByAddressPair(connTable, pair);
- if (conn) {
- *outputConnectionIdPtr = connection_GetConnectionId(conn);
- return true;
- } else {
- *outputConnectionIdPtr = 0;
- return false;
- }
}
/**
@@ -378,8 +366,10 @@ static bool _lookupConnectionId(UdpListener *udp, AddressPair *pair,
* @return The connection id for the new connection
*/
-static unsigned _createNewConnection(UdpListener *udp, int fd,
+static unsigned _createNewConnection(ListenerOps * listener, int fd,
const AddressPair *pair) {
+ UdpListener * udp = (UdpListener *)listener->context;
+
//check it the connection is local
bool isLocal = false;
const Address *localAddress = addressPair_GetLocal(pair);
@@ -428,13 +418,23 @@ static void _handleWldrNotification(UdpListener *udp, unsigned connId,
message_Release(&message);
}
-static Message *_readMessage(UdpListener *udp, int fd,
+static Message *_readMessage(ListenerOps * ops, int fd,
AddressPair *pair, uint8_t * packet, bool * processed) {
+ UdpListener * udp = (UdpListener *)ops->context;
Message *message = NULL;
- unsigned connid = 0;
- bool foundConnection = _lookupConnectionId(udp, pair, &connid);
+ unsigned connid;
+ bool foundConnection;
+
+ const Connection *conn = _lookupConnection(ops, pair);
+ if (conn) {
+ connid = connection_GetConnectionId(conn);
+ foundConnection = true;
+ } else {
+ connid = 0;
+ foundConnection = false;
+ }
if (messageHandler_IsTCP(packet)) {
*processed = true;
@@ -449,7 +449,7 @@ static Message *_readMessage(UdpListener *udp, int fd,
} else if (messageHandler_IsInterest(packet)) {
pktType = MessagePacketType_Interest;
if (!foundConnection) {
- connid = _createNewConnection(udp, fd, pair);
+ connid = _createNewConnection(ops, fd, pair);
}
} else {
printf("Got a packet that is not a data nor an interest, drop it!\n");
@@ -470,25 +470,20 @@ static Message *_readMessage(UdpListener *udp, int fd,
} else if (messageHandler_IsLoadBalancerProbe(packet)) {
*processed = true;
_handleProbeMessage(udp, packet);
-#ifdef WITH_MAPME
- } else if (mapMe_isMapMe(packet)) {
- *processed = true;
- forwarder_ProcessMapMe(udp->forwarder, packet, connid);
-#endif /* WITH_MAPME */
- }
+ } else {
+ /* Generic hook handler */
+ if (!foundConnection)
+ connid = _createNewConnection(ops, fd, pair);
- /* Generic hook handler */
- if (messageHandler_handleHooks(udp->forwarder, CONNECTION_ID_UNDEFINED,
- udp->localAddress, packet))
- goto END;
-END:
+ *processed = messageHandler_handleHooks(udp->forwarder, packet, connid);
+ }
return message;
}
-static void _readCommand(UdpListener *udp, int fd,
- AddressPair *pair,
- uint8_t * command) {
+static void _readCommand(ListenerOps * listener, int fd,
+ AddressPair *pair, uint8_t * command) {
+ UdpListener * udp = (UdpListener *)listener->context;
if (*command != REQUEST_LIGHT){
printf("the message received is not a command, drop\n");
@@ -502,10 +497,13 @@ static void _readCommand(UdpListener *udp, int fd,
return;
}
- unsigned connid = 0;
- bool foundConnection = _lookupConnectionId(udp, pair, &connid);
- if(!foundConnection){
- connid = _createNewConnection(udp, fd, pair);
+ unsigned connid;
+
+ const Connection *conn = _lookupConnection(listener, pair);
+ if (conn) {
+ connid = connection_GetConnectionId(conn);
+ } else {
+ connid = _createNewConnection(listener, fd, pair);
}
struct iovec *request;
@@ -525,11 +523,12 @@ static void _readCommand(UdpListener *udp, int fd,
}
-static bool _receivePacket(UdpListener *udp, int fd,
+static bool _receivePacket(ListenerOps * listener, int fd,
AddressPair *pair,
uint8_t * packet) {
+ UdpListener * udp = (UdpListener *)listener->context;
bool processed = false;
- Message *message = _readMessage(udp, fd, pair,
+ Message *message = _readMessage(listener, fd, pair,
packet, &processed);
if (message) {
forwarder_Receive(udp->forwarder, message);
@@ -537,8 +536,9 @@ static bool _receivePacket(UdpListener *udp, int fd,
return processed;
}
-static void _readcb(int fd, PARCEventType what, void *udpVoid) {
- UdpListener *udp = (UdpListener *)udpVoid;
+static void _readcb(int fd, PARCEventType what, void * listener_void) {
+ ListenerOps * listener = (ListenerOps *)listener_void;
+ UdpListener * udp = (UdpListener *)listener->context;
if (logger_IsLoggable(udp->logger, LoggerFacility_IO, PARCLogLevel_Debug)) {
logger_Log(udp->logger, LoggerFacility_IO, PARCLogLevel_Debug, __func__,
@@ -546,7 +546,7 @@ static void _readcb(int fd, PARCEventType what, void *udpVoid) {
(what & PARCEventType_Timeout) ? " timeout" : "",
(what & PARCEventType_Read) ? " read" : "",
(what & PARCEventType_Write) ? " write" : "",
- (what & PARCEventType_Signal) ? " signal" : "", udpVoid);
+ (what & PARCEventType_Signal) ? " signal" : "", udp);
}
if (what & PARCEventType_Read) {
@@ -570,9 +570,9 @@ static void _readcb(int fd, PARCEventType what, void *udpVoid) {
AddressPair *pair = _constructAddressPair(
udp, (struct sockaddr *)&peerIpAddress, peerIpAddressLength);
- bool done = _receivePacket(udp, fd, pair, packet);
+ bool done = _receivePacket(listener, fd, pair, packet);
if(!done){
- _readCommand(udp, fd, pair, packet);
+ _readCommand(listener, fd, pair, packet);
}
addressPair_Release(&pair);
diff --git a/hicn-light/src/hicn/processor/fib.c b/hicn-light/src/hicn/processor/fib.c
index 19e4db60b..7cb94d4ba 100644
--- a/hicn-light/src/hicn/processor/fib.c
+++ b/hicn-light/src/hicn/processor/fib.c
@@ -81,7 +81,6 @@ void _destroyNode(FibNode *n) {
}
void _destroyFib(FIB *fib) {
- // XXX
// to be done
return;
}
@@ -103,6 +102,13 @@ void fib_Add(FIB *fib, FibEntry *entry) {
NameBitvector *name = name_GetContentName(fibEntry_GetPrefix(entry));
+ //if the name len is 0, we add this entry on the root
+ if(nameBitvector_GetLength(name) == 0){
+ fib->size++;
+ fib->root->entry = entry;
+ return;
+ }
+
// search the name
FibNode *prev = fib->root;
FibNode *curr;
@@ -122,7 +128,7 @@ void fib_Add(FIB *fib, FibEntry *entry) {
}
}
- if (curr->entry != NULL &&
+ if (curr->entry != NULL && curr->pos != NULL_POS &&
nameBitvector_Equals(
name, name_GetContentName(fibEntry_GetPrefix(curr->entry)))) {
// there is already an entry with this name
@@ -134,9 +140,10 @@ void fib_Add(FIB *fib, FibEntry *entry) {
// if the name is not in the FIB search for the first different bit between
// the new name to add and the node found in the trie
uint8_t pos = MSB_POS;
- if (curr->entry != NULL)
+ if (curr->entry != NULL && curr->pos != NULL_POS){
pos = nameBitvector_firstDiff(
name, name_GetContentName(fibEntry_GetPrefix(curr->entry)));
+ }
// reset pointer and search the insertion point
prev = fib->root;
@@ -182,6 +189,13 @@ FibEntry *fib_Contains(const FIB *fib, const Name *prefix) {
NameBitvector *name = name_GetContentName(prefix);
+ //if prefix len is 0 it must be stored in the root.
+ //if the root entry is null we need to create it, otherwise
+ //we just need to add an other nexthop
+ if(nameBitvector_GetLength(name) == 0){
+ return fib->root->entry;
+ }
+
// this is the same as the first part of the add function
// we cannnot call this function inside the add because
// we need the pointer prev and curr for the insertion
@@ -204,7 +218,7 @@ FibEntry *fib_Contains(const FIB *fib, const Name *prefix) {
}
}
- if (curr->entry != NULL &&
+ if (curr->entry != NULL && curr->pos != NULL_POS &&
nameBitvector_Equals(
name, name_GetContentName(fibEntry_GetPrefix(curr->entry)))) {
return curr->entry;
@@ -333,7 +347,17 @@ void fib_Remove(FIB *fib, const Name *name, unsigned connId) {
fibEntry_RemoveNexthopByConnectionId(entry, connId);
if (fibEntry_NexthopCount(entry) == 0) {
- _removeNode(fib, name);
+ //if the len is 0, just release the fibEntry on the root node
+ if(nameBitvector_GetLength(
+ name_GetContentName(fibEntry_GetPrefix(entry))) == 0){
+ parcAssertTrue(entry == fib->root->entry,
+ "prefix len == 0, entry is not in the FIB root");
+ fib->size--;
+ fibEntry_Release(&entry);
+ fib->root->entry = NULL;
+ } else {
+ _removeNode(fib, name);
+ }
}
}
@@ -352,10 +376,20 @@ void _removeConnectionId(FibNode *n, unsigned pos, unsigned connectionId,
void fib_RemoveConnectionId(FIB *fib, unsigned connectionId) {
parcAssertNotNull(fib, "Parameter must be non-null");
+ // 0 - remove the connection id from the root
// 1 - we vist the tree to remove the connection id
// 2 - during the visit we collect the fib entry with 0 nexthop
// 3 - after the visit we remove this entries
+ if(fib->root->entry){
+ fibEntry_RemoveNexthopByConnectionId(fib->root->entry, connectionId);
+ if(fibEntry_NexthopCount(fib->root->entry) == 0){
+ fib->size--;
+ fibEntry_Release(&fib->root->entry);
+ fib->root->entry = NULL;
+ }
+ }
+
FibEntryList *list = fibEntryList_Create();
_removeConnectionId(fib->root->left, fib->root->pos, connectionId, list);
@@ -393,7 +427,7 @@ FibEntry *fib_Match(const FIB *fib, const Message *interestMessage) {
while (prev->pos > curr->pos) {
prev = curr;
- if (curr->entry != NULL) {
+ if (curr->entry != NULL && curr->pos != NULL_POS) {
if (nameBitvector_StartsWith(
name, name_GetContentName(fibEntry_GetPrefix(curr->entry))) &&
nameBitvector_GetLength(
@@ -410,7 +444,7 @@ FibEntry *fib_Match(const FIB *fib, const Message *interestMessage) {
curr = curr->left;
}
- if (curr->entry != NULL) {
+ if (curr->entry != NULL && curr->pos != NULL_POS) {
if (nameBitvector_StartsWith(
name, name_GetContentName(fibEntry_GetPrefix(curr->entry))) &&
nameBitvector_GetLength(
@@ -424,10 +458,73 @@ FibEntry *fib_Match(const FIB *fib, const Message *interestMessage) {
if (match != NULL && match->entry != NULL) {
return match->entry;
} else {
- return NULL;
+ //if there is a default route, return it.
+ //the dafualt route is in the route
+ return fib->root->entry;
}
}
+#ifdef WITH_MAPME
+
+FibEntry *fib_LPM(const FIB *fib, const Name * prefix) {
+ parcAssertNotNull(fib, "Parameter must be non-null");
+ parcAssertNotNull(prefix, "Parameter must be non-null");
+
+ NameBitvector *name = name_GetContentName(prefix);
+
+ FibNode *prev = fib->root;
+ FibNode *curr;
+
+ FibNode *match = NULL;
+ unsigned len = 0;
+
+ if (nameBitvector_testBit(name, MSB_POS))
+ curr = fib->root->right;
+ else
+ curr = fib->root->left;
+
+ while (prev->pos > curr->pos) {
+ prev = curr;
+
+ if (curr->entry != NULL && curr->pos != NULL_POS) {
+ if (nameBitvector_StartsWith(
+ name, name_GetContentName(fibEntry_GetPrefix(curr->entry))) &&
+ nameBitvector_GetLength(
+ name_GetContentName(fibEntry_GetPrefix(curr->entry))) > len) {
+ match = curr;
+ len = nameBitvector_GetLength(
+ name_GetContentName(fibEntry_GetPrefix(curr->entry)));
+ }
+ }
+
+ if (nameBitvector_testBit(name, curr->pos))
+ curr = curr->right;
+ else
+ curr = curr->left;
+ }
+
+ if (curr->entry != NULL && curr->pos != NULL_POS) {
+ if (nameBitvector_StartsWith(
+ name, name_GetContentName(fibEntry_GetPrefix(curr->entry))) &&
+ nameBitvector_GetLength(
+ name_GetContentName(fibEntry_GetPrefix(curr->entry))) > len) {
+ match = curr;
+ len = nameBitvector_GetLength(
+ name_GetContentName(fibEntry_GetPrefix(curr->entry)));
+ }
+ }
+
+ if (match != NULL && match->entry != NULL) {
+ return match->entry;
+ } else {
+ //if there is a default route, return it.
+ //the dafualt route is in the route
+ return fib->root->entry;
+ }
+}
+
+#endif /* WITH_MAPME */
+
void _collectFibEntries(FibNode *n, int pos, FibEntryList *list) {
if (n->pos < (unsigned)pos) {
fibEntryList_Append(list, n->entry);
@@ -441,6 +538,10 @@ FibEntryList *fib_GetEntries(const FIB *fib) {
FibEntryList *list = fibEntryList_Create();
+ if(fib->root->entry){
+ fibEntryList_Append(list, fib->root->entry);
+ }
+
_collectFibEntries(fib->root->left, fib->root->pos, list);
_collectFibEntries(fib->root->right, fib->root->pos, list);
diff --git a/hicn-light/src/hicn/processor/fib.h b/hicn-light/src/hicn/processor/fib.h
index 28ea19a0d..8c03537fe 100644
--- a/hicn-light/src/hicn/processor/fib.h
+++ b/hicn-light/src/hicn/processor/fib.h
@@ -37,6 +37,10 @@ void fib_RemoveConnectionId(FIB *fib, unsigned connectionId);
FibEntry *fib_Match(const FIB *fib, const Message *interestMessage);
+#ifdef WITH_MAPME
+FibEntry *fib_LPM(const FIB *fib, const Name * name);
+#endif /* WITH_MAPME */
+
size_t fib_Length(const FIB *fib);
FibEntryList *fib_GetEntries(const FIB *fib);
diff --git a/hicn-light/src/hicn/processor/fibEntry.c b/hicn-light/src/hicn/processor/fibEntry.c
index 6f6b3aa12..15d754168 100644
--- a/hicn-light/src/hicn/processor/fibEntry.c
+++ b/hicn-light/src/hicn/processor/fibEntry.c
@@ -35,18 +35,47 @@
#include <parc/assert/parc_Assert.h>
#include <hicn/utils/commands.h>
+#include <hicn/core/connectionState.h>
+
+#ifdef WITH_POLICY
+#include <hicn/core/forwarder.h>
+#include <hicn/utils/policy.h>
+
+#ifdef WITH_MAPME
+#include <hicn/core/mapMe.h>
+#endif /* WITH_MAPME */
+
+#define ALPHA 0.5
+
+#endif /* WITH_POLICY */
struct fib_entry {
Name *name;
unsigned refcount;
StrategyImpl *fwdStrategy;
+#ifdef WITH_POLICY
+ NumberSet *nexthops;
+ const Forwarder * forwarder;
+ policy_t policy;
+ policy_counters_t policy_counters;
+ NumberSet *available_nexthops;
+#ifdef WITH_MAPME
+ /* In case of no multipath, this stores the previous decision taken by policy */
+ unsigned previous_nexthop;
+#endif /* WITH_MAPME */
+#endif /* WITH_POLICY */
#ifdef WITH_MAPME
void *userData;
void (*userDataRelease)(void **userData);
#endif /* WITH_MAPME */
};
+#ifdef WITH_POLICY
+FibEntry *fibEntry_Create(Name *name, strategy_type fwdStrategy, const Forwarder * forwarder) {
+ ConnectionTable * table = forwarder_GetConnectionTable(forwarder);
+#else
FibEntry *fibEntry_Create(Name *name, strategy_type fwdStrategy) {
+#endif /* WITH_POLICY */
FibEntry *fibEntry = parcMemory_AllocateAndClear(sizeof(FibEntry));
parcAssertNotNull(fibEntry, "parcMemory_AllocateAndClear(%zu) returned NULL",
sizeof(FibEntry));
@@ -55,27 +84,47 @@ FibEntry *fibEntry_Create(Name *name, strategy_type fwdStrategy) {
if (fwdStrategy) {
switch (fwdStrategy) {
case SET_STRATEGY_LOADBALANCER:
+#ifdef WITH_POLICY
+ fibEntry->fwdStrategy = strategyLoadBalancer_Create(table);
+#else
fibEntry->fwdStrategy = strategyLoadBalancer_Create();
+#endif /* WITH_POLICY */
break;
case SET_STRATEGY_RANDOM_PER_DASH_SEGMENT:
+#ifdef WITH_POLICY
+ fibEntry->fwdStrategy = strategyRndSegment_Create(table);
+#else
fibEntry->fwdStrategy = strategyRndSegment_Create();
+#endif /* WITH_POLICY */
break;
case SET_STRATEGY_LOADBALANCER_WITH_DELAY:
+#ifdef WITH_POLICY
+ fibEntry->fwdStrategy = strategyLoadBalancerWithPD_Create(table);
+#else
fibEntry->fwdStrategy = strategyLoadBalancerWithPD_Create();
+#endif /* WITH_POLICY */
break;
default:
- // LB is the defualt strategy
+ // LB is the default strategy
+#ifdef WITH_POLICY
+ fibEntry->fwdStrategy = strategyLoadBalancer_Create(table);
+#else
fibEntry->fwdStrategy = strategyLoadBalancer_Create();
+#endif /* WITH_POLICY */
// the LB strategy is the default one
// other strategies can be set using the appropiate function
break;
}
} else {
+#ifdef WITH_POLICY
+ fibEntry->fwdStrategy = strategyLoadBalancer_Create(table);
+#else
fibEntry->fwdStrategy = strategyLoadBalancer_Create();
+#endif /* WITH_POLICY */
}
fibEntry->refcount = 1;
@@ -85,6 +134,16 @@ FibEntry *fibEntry_Create(Name *name, strategy_type fwdStrategy) {
fibEntry->userDataRelease = NULL;
#endif /* WITH_MAPME */
+#ifdef WITH_POLICY
+ fibEntry->nexthops = numberSet_Create();
+ fibEntry->forwarder = forwarder;
+ fibEntry->policy = POLICY_NONE;
+ fibEntry->policy_counters = POLICY_COUNTERS_NONE;
+#ifdef WITH_MAPME
+ fibEntry->previous_nexthop = ~0;
+#endif /* WITH_MAPME */
+#endif /* WITH_POLICY */
+
return fibEntry;
}
@@ -114,23 +173,42 @@ void fibEntry_Release(FibEntry **fibEntryPtr) {
void fibEntry_SetStrategy(FibEntry *fibEntry, strategy_type strategy) {
StrategyImpl *fwdStrategyImpl;
+#ifdef WITH_POLICY
+ ConnectionTable * table = forwarder_GetConnectionTable(fibEntry->forwarder);
+#endif /* WITH_POLICY */
switch (strategy) {
case SET_STRATEGY_LOADBALANCER:
+#ifdef WITH_POLICY
+ fwdStrategyImpl = strategyLoadBalancer_Create(table);
+#else
fwdStrategyImpl = strategyLoadBalancer_Create();
+#endif /* WITH_POLICY */
break;
case SET_STRATEGY_RANDOM_PER_DASH_SEGMENT:
+#ifdef WITH_POLICY
+ fwdStrategyImpl = strategyRndSegment_Create(table);
+#else
fwdStrategyImpl = strategyRndSegment_Create();
+#endif /* WITH_POLICY */
break;
case SET_STRATEGY_LOADBALANCER_WITH_DELAY:
+#ifdef WITH_POLICY
+ fwdStrategyImpl = strategyLoadBalancerWithPD_Create(table);
+#else
fwdStrategyImpl = strategyLoadBalancerWithPD_Create();
+#endif /* WITH_POLICY */
break;
default:
// LB is the defualt strategy
+#ifdef WITH_POLICY
+ fwdStrategyImpl = strategyLoadBalancer_Create(table);
+#else
fwdStrategyImpl = strategyLoadBalancer_Create();
+#endif /* WITH_POLICY */
// the LB strategy is the default one
// other strategies can be set using the appropiate function
break;
@@ -145,47 +223,648 @@ void fibEntry_SetStrategy(FibEntry *fibEntry, strategy_type strategy) {
fibEntry->fwdStrategy->destroy(&(fibEntry->fwdStrategy));
fibEntry->fwdStrategy = fwdStrategyImpl;
}
+
+#ifdef WITH_POLICY
+
+/*
+ * Update available next hops following policy update.
+ */
+NumberSet *
+fibEntry_GetAvailableNextHops(const FibEntry *fibEntry, unsigned in_connection) {
+ ConnectionTable * table = forwarder_GetConnectionTable(fibEntry->forwarder);
+ NumberSet * nexthops;
+ policy_t policy = fibEntry_GetPolicy(fibEntry);
+
+ /* Reset available next hops and start filtering */
+ NumberSet * available_nexthops = numberSet_Create();
+
+ /*
+ * Give absolute preference to local faces, with no policy, unless
+ * in_connection == ~0, which means we are searching faces on which to
+ * advertise our prefix
+ */
+ if (in_connection == ~0) {
+ /* We might advertise among all available up connections */
+ nexthops = numberSet_Create();
+
+ ConnectionList * list = connectionTable_GetEntries(table);
+ for (size_t i = 0; i < connectionList_Length(list); i++) {
+ Connection *conn = connectionList_Get(list, i);
+ if (connection_GetState(conn) == CONNECTION_STATE_DOWN)
+ continue;
+ if (connection_IsLocal(conn))
+ continue;
+ numberSet_Add(nexthops, connection_GetConnectionId(conn));
+ }
+
+ } else {
+ nexthops = (NumberSet*)fibEntry_GetNexthops(fibEntry);
+ for (size_t k = 0; k < numberSet_Length(nexthops); k++) {
+ unsigned conn_id = numberSet_GetItem(nexthops, k);
+ /* Filtering out ingress face */
+ if (conn_id == in_connection)
+ continue;
+ /* Filtering out DOWN faces */
+ const Connection * conn = connectionTable_FindById(table, conn_id);
+ if (!conn)
+ continue;
+ if (connection_GetState(conn) == CONNECTION_STATE_DOWN)
+ continue;
+ if (!connection_IsLocal(conn))
+ continue;
+ numberSet_Add(available_nexthops, conn_id);
+ }
+
+ if (numberSet_Length(available_nexthops) > 0)
+ return available_nexthops;
+ }
+
+ for (size_t k = 0; k < numberSet_Length(nexthops); k++) {
+ unsigned conn_id = numberSet_GetItem(nexthops, k);
+ const Connection * conn;
+
+ /* Filtering out ingress face */
+ if (conn_id == in_connection)
+ continue;
+
+ /* Filtering out DOWN faces */
+ conn = connectionTable_FindById(table, conn_id);
+ if (!conn)
+ continue;
+ if (connection_GetState(conn) == CONNECTION_STATE_DOWN)
+ continue;
+
+ /* Policy filtering : next hops */
+ if ((policy.tags[POLICY_TAG_WIRED].state == POLICY_STATE_REQUIRE) &&
+ (!connection_HasTag(conn, POLICY_TAG_WIRED)))
+ continue;
+ if ((policy.tags[POLICY_TAG_WIRED].state == POLICY_STATE_PROHIBIT) &&
+ (connection_HasTag(conn, POLICY_TAG_WIRED)))
+ continue;
+ if ((policy.tags[POLICY_TAG_WIFI].state == POLICY_STATE_REQUIRE) &&
+ (!connection_HasTag(conn, POLICY_TAG_WIFI)))
+ continue;
+ if ((policy.tags[POLICY_TAG_WIFI].state == POLICY_STATE_PROHIBIT) &&
+ (connection_HasTag(conn, POLICY_TAG_WIFI)))
+ continue;
+ if ((policy.tags[POLICY_TAG_CELLULAR].state == POLICY_STATE_REQUIRE) &&
+ (!connection_HasTag(conn, POLICY_TAG_CELLULAR)))
+ continue;
+ if ((policy.tags[POLICY_TAG_CELLULAR].state == POLICY_STATE_PROHIBIT) &&
+ (connection_HasTag(conn, POLICY_TAG_CELLULAR)))
+ continue;
+ if ((policy.tags[POLICY_TAG_TRUSTED].state == POLICY_STATE_REQUIRE) &&
+ (!connection_HasTag(conn, POLICY_TAG_TRUSTED)))
+ continue;
+ if ((policy.tags[POLICY_TAG_TRUSTED].state == POLICY_STATE_PROHIBIT) &&
+ (connection_HasTag(conn, POLICY_TAG_TRUSTED)))
+ continue;
+
+ numberSet_Add(available_nexthops, conn_id);
+ }
+
+ if (numberSet_Length(available_nexthops) == 0)
+ return available_nexthops;
+
+ /* We have at least one matching next hop, implement heuristic */
+
+ /*
+ * As VPN connections might trigger duplicate uses of one interface, we start
+ * by filtering out interfaces based on trust status.
+ */
+ NumberSet * filtered_nexthops = numberSet_Create();
+ if ((policy.tags[POLICY_TAG_TRUSTED].state == POLICY_STATE_REQUIRE) ||
+ (policy.tags[POLICY_TAG_TRUSTED].state == POLICY_STATE_PREFER)) {
+ /* Try to filter out NON TRUSTED faces */
+ for (size_t k = 0; k < numberSet_Length(available_nexthops); k++) {
+ unsigned conn_id = numberSet_GetItem(available_nexthops, k);
+ const Connection * conn = connectionTable_FindById(table, conn_id);
+ if (!connection_HasTag(conn, POLICY_TAG_TRUSTED))
+ continue;
+ numberSet_Add(filtered_nexthops, conn_id);
+ }
+ } else {
+ /* Try to filter out TRUSTED faces */
+ for (size_t k = 0; k < numberSet_Length(available_nexthops); k++) {
+ unsigned conn_id = numberSet_GetItem(available_nexthops, k);
+ const Connection * conn = connectionTable_FindById(table, conn_id);
+ if (connection_HasTag(conn, POLICY_TAG_TRUSTED))
+ continue;
+ numberSet_Add(filtered_nexthops, conn_id);
+ }
+ }
+ if (numberSet_Length(filtered_nexthops) > 0) {
+ numberSet_Release(&available_nexthops);
+ available_nexthops = numberSet_Create();
+ numberSet_AddSet(available_nexthops, filtered_nexthops);
+ }
+ numberSet_Release(&filtered_nexthops);
+
+ /* Other preferences */
+ if (policy.tags[POLICY_TAG_WIRED].state == POLICY_STATE_AVOID) {
+ filtered_nexthops = numberSet_Create();
+ for (size_t k = 0; k < numberSet_Length(available_nexthops); k++) {
+ unsigned conn_id = numberSet_GetItem(available_nexthops, k);
+ const Connection * conn = connectionTable_FindById(table, conn_id);
+ if (connection_HasTag(conn, POLICY_TAG_WIRED))
+ continue;
+ numberSet_Add(filtered_nexthops, conn_id);
+ }
+ if (numberSet_Length(filtered_nexthops) > 0) {
+ numberSet_Release(&available_nexthops);
+ available_nexthops = numberSet_Create();
+ numberSet_AddSet(available_nexthops, filtered_nexthops);
+ }
+ numberSet_Release(&filtered_nexthops);
+ }
+ if (policy.tags[POLICY_TAG_WIFI].state == POLICY_STATE_AVOID) {
+ filtered_nexthops = numberSet_Create();
+ for (size_t k = 0; k < numberSet_Length(available_nexthops); k++) {
+ unsigned conn_id = numberSet_GetItem(available_nexthops, k);
+ const Connection * conn = connectionTable_FindById(table, conn_id);
+ if (connection_HasTag(conn, POLICY_TAG_WIFI))
+ continue;
+ numberSet_Add(filtered_nexthops, conn_id);
+ }
+ if (numberSet_Length(filtered_nexthops) > 0) {
+ numberSet_Release(&available_nexthops);
+ available_nexthops = numberSet_Create();
+ numberSet_AddSet(available_nexthops, filtered_nexthops);
+ }
+ numberSet_Release(&filtered_nexthops);
+ }
+ if (policy.tags[POLICY_TAG_CELLULAR].state == POLICY_STATE_AVOID) {
+ filtered_nexthops = numberSet_Create();
+ for (size_t k = 0; k < numberSet_Length(available_nexthops); k++) {
+ unsigned conn_id = numberSet_GetItem(available_nexthops, k);
+ const Connection * conn = connectionTable_FindById(table, conn_id);
+ if (connection_HasTag(conn, POLICY_TAG_CELLULAR))
+ continue;
+ numberSet_Add(filtered_nexthops, conn_id);
+ }
+ if (numberSet_Length(filtered_nexthops) > 0) {
+ numberSet_Release(&available_nexthops);
+ available_nexthops = numberSet_Create();
+ numberSet_AddSet(available_nexthops, filtered_nexthops);
+ }
+ numberSet_Release(&filtered_nexthops);
+ }
+
+ if (policy.tags[POLICY_TAG_WIRED].state == POLICY_STATE_PREFER) {
+ filtered_nexthops = numberSet_Create();
+ for (size_t k = 0; k < numberSet_Length(available_nexthops); k++) {
+ unsigned conn_id = numberSet_GetItem(available_nexthops, k);
+ const Connection * conn = connectionTable_FindById(table, conn_id);
+ if (!connection_HasTag(conn, POLICY_TAG_WIRED))
+ continue;
+ numberSet_Add(filtered_nexthops, conn_id);
+ }
+ if (numberSet_Length(filtered_nexthops) > 0) {
+ numberSet_Release(&available_nexthops);
+ available_nexthops = numberSet_Create();
+ numberSet_AddSet(available_nexthops, filtered_nexthops);
+ }
+ numberSet_Release(&filtered_nexthops);
+ }
+ if (policy.tags[POLICY_TAG_WIFI].state == POLICY_STATE_PREFER) {
+ filtered_nexthops = numberSet_Create();
+ for (size_t k = 0; k < numberSet_Length(available_nexthops); k++) {
+ unsigned conn_id = numberSet_GetItem(available_nexthops, k);
+ const Connection * conn = connectionTable_FindById(table, conn_id);
+ if (!connection_HasTag(conn, POLICY_TAG_WIFI))
+ continue;
+ numberSet_Add(filtered_nexthops, conn_id);
+ }
+ if (numberSet_Length(filtered_nexthops) > 0) {
+ numberSet_Release(&available_nexthops);
+ available_nexthops = numberSet_Create();
+ numberSet_AddSet(available_nexthops, filtered_nexthops);
+ }
+ numberSet_Release(&filtered_nexthops);
+ }
+ if (policy.tags[POLICY_TAG_CELLULAR].state == POLICY_STATE_PREFER) {
+ filtered_nexthops = numberSet_Create();
+ for (size_t k = 0; k < numberSet_Length(available_nexthops); k++) {
+ unsigned conn_id = numberSet_GetItem(available_nexthops, k);
+ const Connection * conn = connectionTable_FindById(table, conn_id);
+ if (!connection_HasTag(conn, POLICY_TAG_CELLULAR))
+ continue;
+ numberSet_Add(filtered_nexthops, conn_id);
+ }
+ if (numberSet_Length(filtered_nexthops) > 0) {
+ numberSet_Release(&available_nexthops);
+ available_nexthops = numberSet_Create();
+ numberSet_AddSet(available_nexthops, filtered_nexthops);
+ }
+ numberSet_Release(&filtered_nexthops);
+ }
+
+ return available_nexthops;
+}
+
+policy_t fibEntry_GetPolicy(const FibEntry *fibEntry) {
+ return fibEntry->policy;
+}
+
+void fibEntry_ReconsiderPolicy(FibEntry *fibEntry) {
+#ifdef WITH_MAPME
+ NumberSet * available_nexthops = fibEntry_GetAvailableNextHops(fibEntry, ~0);
+
+ if (numberSet_Length(available_nexthops) == 0)
+ goto END;
+
+ /* Multipath */
+ if ((fibEntry->policy.tags[POLICY_TAG_MULTIPATH].state != POLICY_STATE_PROHIBIT) &&
+ (fibEntry->policy.tags[POLICY_TAG_MULTIPATH].state != POLICY_STATE_AVOID))
+ goto END;
+
+ unsigned nexthop = numberSet_GetItem(available_nexthops, 0);
+ if (nexthop != fibEntry->previous_nexthop) {
+ /* Policy has elected a new nexthop, signal it using MAP-Me */
+ fibEntry->previous_nexthop = nexthop;
+ ConnectionTable * table = forwarder_GetConnectionTable(fibEntry->forwarder);
+ const Connection * conn = connectionTable_FindById(table, nexthop);
+ mapMe_onPolicyUpdate(forwarder_getMapmeInstance(fibEntry->forwarder), conn, fibEntry);
+ }
+
+END:
+ numberSet_Release(&available_nexthops);
+#endif /* WITH_MAPME */
+}
+
+void fibEntry_SetPolicy(FibEntry *fibEntry, policy_t policy) {
+ fibEntry->policy = policy;
+ fibEntry_ReconsiderPolicy(fibEntry);
+}
+
+#endif /* WITH_POLICY */
+
void fibEntry_AddNexthop(FibEntry *fibEntry, unsigned connectionId) {
parcAssertNotNull(fibEntry, "Parameter fibEntry must be non-null");
+#ifdef WITH_POLICY
+ if (!numberSet_Contains(fibEntry->nexthops, connectionId)) {
+ numberSet_Add(fibEntry->nexthops, connectionId);
+ }
+#endif /* WITH_POLICY */
fibEntry->fwdStrategy->addNexthop(fibEntry->fwdStrategy, connectionId);
}
void fibEntry_RemoveNexthopByConnectionId(FibEntry *fibEntry,
unsigned connectionId) {
parcAssertNotNull(fibEntry, "Parameter fibEntry must be non-null");
+#ifdef WITH_POLICY
+ if (numberSet_Contains(fibEntry->nexthops, connectionId)) {
+ numberSet_Remove(fibEntry->nexthops, connectionId);
+ }
+#endif /* WITH_POLICY */
fibEntry->fwdStrategy->removeNexthop(fibEntry->fwdStrategy, connectionId);
}
size_t fibEntry_NexthopCount(const FibEntry *fibEntry) {
parcAssertNotNull(fibEntry, "Parameter fibEntry must be non-null");
+#ifdef WITH_POLICY
+ return numberSet_Length(fibEntry->nexthops);
+#else
return fibEntry->fwdStrategy->countNexthops(fibEntry->fwdStrategy);
+#endif /* WITH_POLICY */
}
const NumberSet *fibEntry_GetNexthops(const FibEntry *fibEntry) {
parcAssertNotNull(fibEntry, "Parameter fibEntry must be non-null");
+#ifdef WITH_POLICY
+ return fibEntry->nexthops;
+#else
return fibEntry->fwdStrategy->returnNexthops(fibEntry->fwdStrategy);
+#endif /* WITH_POLICY */
}
const NumberSet *fibEntry_GetNexthopsFromForwardingStrategy(
+#ifdef WITH_POLICY
+ FibEntry *fibEntry, const Message *interestMessage, bool is_retransmission) {
+#else
const FibEntry *fibEntry, const Message *interestMessage) {
+#endif /* WITH_POLICY */
parcAssertNotNull(fibEntry, "Parameter fibEntry must be non-null");
+#ifdef WITH_POLICY
+ ConnectionTable * table = forwarder_GetConnectionTable(fibEntry->forwarder);
+ unsigned in_connection = message_GetIngressConnectionId(interestMessage);
+
+ policy_t policy = fibEntry_GetPolicy(fibEntry);
+
+ NumberSet * out;
+
+ /* Filtering */
+ NumberSet * available_nexthops = fibEntry_GetAvailableNextHops(fibEntry, in_connection);
+ if (numberSet_Length(available_nexthops) == 0) {
+ numberSet_Release(&available_nexthops);
+ out = numberSet_Create();
+ return out;
+ }
+
+ /*
+ * Update statistics about loss rates. We only detect losses upon
+ * retransmissions, and assume for the computation that the candidate set of
+ * output faces is the same as previously (i.e. does not take into account
+ * event such as face up/down, policy update, etc. Otherwise we would need to
+ * know what was the previous choice !
+ */
+ if (is_retransmission) {
+ for (size_t k = 0; k < numberSet_Length(available_nexthops); k++) {
+ unsigned conn_id = numberSet_GetItem(available_nexthops, k);
+ const Connection * conn = connectionTable_FindById(table, conn_id);
+
+ if (connection_HasTag(conn, POLICY_TAG_WIRED))
+ fibEntry->policy_counters.wired.num_losses++;
+ if (connection_HasTag(conn, POLICY_TAG_WIFI))
+ fibEntry->policy_counters.wifi.num_losses++;
+ if (connection_HasTag(conn, POLICY_TAG_CELLULAR))
+ fibEntry->policy_counters.cellular.num_losses++;
+ fibEntry->policy_counters.all.num_losses++;
+ }
+ }
+
+ /*
+ * NOTE: We might want to call a forwarding strategy even with no nexthop to
+ * take a fallback decision.
+ */
+ if (numberSet_Length(available_nexthops) == 0) {
+ out = numberSet_Create();
+ } else {
+ /* Multipath */
+ if ((policy.tags[POLICY_TAG_MULTIPATH].state != POLICY_STATE_PROHIBIT) &&
+ (policy.tags[POLICY_TAG_MULTIPATH].state != POLICY_STATE_AVOID)) {
+ out = fibEntry->fwdStrategy->lookupNexthop(fibEntry->fwdStrategy, available_nexthops,
+ interestMessage);
+ } else {
+ unsigned nexthop = numberSet_GetItem(available_nexthops, 0);
+ out = numberSet_Create();
+ numberSet_Add(out, nexthop);
+ }
+ }
+
+ numberSet_Release(&available_nexthops);
+
+ return out;
+#else
return fibEntry->fwdStrategy->lookupNexthop(fibEntry->fwdStrategy,
- interestMessage);
+ interestMessage);
+#endif /* WITH_POLICY */
}
+#ifdef WITH_POLICY
+void fibEntry_ReceiveObjectMessage(FibEntry *fibEntry,
+#else
void fibEntry_ReceiveObjectMessage(const FibEntry *fibEntry,
+#endif /* WITH_POLICY */
const NumberSet *egressId,
const Message *objectMessage, Ticks rtt) {
parcAssertNotNull(fibEntry, "Parameter fibEntry must be non-null");
+
+#ifdef WITH_POLICY
+ ConnectionTable * table = forwarder_GetConnectionTable(fibEntry->forwarder);
+
+ /* Update statistic counters : */
+
+ size_t msg_size = message_Length(objectMessage);
+
+ for (unsigned i = 0; i < numberSet_Length(egressId); i++) {
+ unsigned conn_id = numberSet_GetItem(egressId, i);
+ const Connection * conn = connectionTable_FindById(table, conn_id);
+ if (!conn)
+ continue;
+ if (connection_HasTag(conn, POLICY_TAG_WIRED)) {
+ fibEntry->policy_counters.wired.num_packets++;
+ fibEntry->policy_counters.wired.num_bytes += msg_size;
+ fibEntry->policy.stats.wired.latency = \
+ ALPHA * fibEntry->policy.stats.wired.latency + \
+ (1 - ALPHA) * (double)rtt;
+ fibEntry->policy_counters.wired.latency_idle = 0;
+ }
+ if (connection_HasTag(conn, POLICY_TAG_WIFI)) {
+ fibEntry->policy_counters.wifi.num_packets++;
+ fibEntry->policy_counters.wifi.num_bytes += msg_size;
+ fibEntry->policy.stats.wifi.latency = \
+ ALPHA * fibEntry->policy.stats.wifi.latency + \
+ (1 - ALPHA) * (double)rtt;
+ fibEntry->policy_counters.wifi.latency_idle = 0;
+
+ }
+ if (connection_HasTag(conn, POLICY_TAG_CELLULAR)) {
+ fibEntry->policy_counters.cellular.num_packets++;
+ fibEntry->policy_counters.cellular.num_bytes += msg_size;
+ fibEntry->policy.stats.cellular.latency = \
+ ALPHA * fibEntry->policy.stats.cellular.latency + \
+ (1 - ALPHA) * (double)rtt;
+ fibEntry->policy_counters.cellular.latency_idle = 0;
+ }
+ }
+
+ fibEntry->policy.stats.all.latency = \
+ ALPHA * fibEntry->policy.stats.all.latency + \
+ (1 - ALPHA) * (double)rtt;
+ fibEntry->policy_counters.all.latency_idle = 0;
+
+ fibEntry->policy_counters.all.num_packets++;
+ fibEntry->policy_counters.all.num_bytes += msg_size;
+
+#endif /* WITH_POLICY */
+
fibEntry->fwdStrategy->receiveObject(fibEntry->fwdStrategy, egressId,
objectMessage, rtt);
}
+#ifdef WITH_POLICY
+void fibEntry_OnTimeout(FibEntry *fibEntry, const NumberSet *egressId) {
+#else
void fibEntry_OnTimeout(const FibEntry *fibEntry, const NumberSet *egressId) {
+#endif /* WITH_POLICY */
parcAssertNotNull(fibEntry, "Parameter fibEntry must be non-null");
+
+#ifdef WITH_POLICY
+
+ ConnectionTable * table = forwarder_GetConnectionTable(fibEntry->forwarder);
+
+ for (unsigned i = 0; i < numberSet_Length(egressId); i++) {
+ unsigned conn_id = numberSet_GetItem(egressId, i);
+ const Connection * conn = connectionTable_FindById(table, conn_id);
+ if (!conn)
+ continue;
+ if (connection_HasTag(conn, POLICY_TAG_WIRED)) {
+ fibEntry->policy_counters.wired.num_losses++;
+ }
+ if (connection_HasTag(conn, POLICY_TAG_WIFI)) {
+ fibEntry->policy_counters.wifi.num_losses++;
+ }
+ if (connection_HasTag(conn, POLICY_TAG_CELLULAR)) {
+ fibEntry->policy_counters.cellular.num_losses++;
+ }
+ }
+
+ fibEntry->policy_counters.all.num_losses++;
+
+#endif /* WITH_POLICY */
+
fibEntry->fwdStrategy->onTimeout(fibEntry->fwdStrategy, egressId);
}
+#ifdef WITH_POLICY
+void fibEntry_UpdateStats(FibEntry *fibEntry, uint64_t now) {
+ double throughput;
+ double loss_rate;
+
+ if (now == fibEntry->policy_counters.last_update)
+ return ;
+
+ /* WIRED */
+
+ /* a) throughput */
+ if (fibEntry->policy_counters.wired.num_bytes > 0) {
+ throughput = fibEntry->policy_counters.wired.num_bytes / \
+ (now - fibEntry->policy_counters.last_update) ;
+ throughput = throughput * 8 / 1024;
+ if (throughput < 0)
+ throughput = 0;
+ } else {
+ throughput = 0;
+ }
+ fibEntry->policy.stats.wired.throughput = \
+ ALPHA * fibEntry->policy.stats.wired.throughput + \
+ (1-ALPHA) * throughput;
+
+ /* b) loss rate */
+ if ((fibEntry->policy_counters.wired.num_losses > 0) && \
+ (fibEntry->policy_counters.wired.num_packets > 0)){
+ loss_rate = fibEntry->policy_counters.wired.num_losses / \
+ fibEntry->policy_counters.wired.num_packets;
+ loss_rate *= 100;
+ } else {
+ loss_rate = 0;
+ }
+ fibEntry->policy.stats.wired.loss_rate = \
+ ALPHA * fibEntry->policy.stats.wired.loss_rate + \
+ (1-ALPHA) * loss_rate;
+
+ /* Latency */
+ fibEntry->policy_counters.wired.latency_idle++;
+ if (fibEntry->policy_counters.wired.latency_idle > 1)
+ fibEntry->policy.stats.wired.latency = 0;
+ fibEntry->policy_counters.wifi.latency_idle++;
+ if (fibEntry->policy_counters.wifi.latency_idle > 1)
+ fibEntry->policy.stats.wifi.latency = 0;
+ fibEntry->policy_counters.cellular.latency_idle++;
+ if (fibEntry->policy_counters.cellular.latency_idle > 1)
+ fibEntry->policy.stats.cellular.latency = 0;
+ fibEntry->policy_counters.all.latency_idle++;
+ if (fibEntry->policy_counters.all.latency_idle > 1)
+ fibEntry->policy.stats.all.latency = 0;
+
+ fibEntry->policy_counters.wired.num_bytes = 0;
+ fibEntry->policy_counters.wired.num_losses = 0;
+ fibEntry->policy_counters.wired.num_packets = 0;
+
+ /* WIFI */
+
+ /* a) throughput */
+ if (fibEntry->policy_counters.wifi.num_bytes > 0) {
+ throughput = fibEntry->policy_counters.wifi.num_bytes / \
+ (now - fibEntry->policy_counters.last_update);
+ throughput = throughput * 8 / 1024;
+ if (throughput < 0)
+ throughput = 0;
+ } else {
+ throughput = 0;
+ }
+ fibEntry->policy.stats.wifi.throughput = \
+ ALPHA * fibEntry->policy.stats.wifi.throughput + \
+ (1-ALPHA) * throughput;
+
+ /* b) loss rate */
+ if ((fibEntry->policy_counters.wifi.num_losses > 0) && \
+ (fibEntry->policy_counters.wifi.num_packets > 0)) {
+ loss_rate = fibEntry->policy_counters.wifi.num_losses / \
+ fibEntry->policy_counters.wifi.num_packets;
+ loss_rate *= 100;
+ } else {
+ loss_rate = 0;
+ }
+ fibEntry->policy.stats.wifi.loss_rate = \
+ ALPHA * fibEntry->policy.stats.wifi.loss_rate + \
+ (1-ALPHA) * loss_rate;
+
+ fibEntry->policy_counters.wifi.num_bytes = 0;
+ fibEntry->policy_counters.wifi.num_losses = 0;
+ fibEntry->policy_counters.wifi.num_packets = 0;
+
+ /* CELLULAR */
+
+ /* a) throughput */
+ if (fibEntry->policy_counters.cellular.num_bytes > 0) {
+ throughput = fibEntry->policy_counters.cellular.num_bytes / \
+ (now - fibEntry->policy_counters.last_update) ;
+ throughput = throughput * 8 / 1024;
+ if (throughput < 0)
+ throughput = 0;
+ } else {
+ throughput = 0;
+ }
+ fibEntry->policy.stats.cellular.throughput = \
+ ALPHA * fibEntry->policy.stats.cellular.throughput + \
+ (1-ALPHA) * throughput;
+
+ /* b) loss rate */
+ if ((fibEntry->policy_counters.cellular.num_losses > 0) && \
+ (fibEntry->policy_counters.cellular.num_packets > 0)) {
+ loss_rate = fibEntry->policy_counters.cellular.num_losses / \
+ fibEntry->policy_counters.cellular.num_packets;
+ loss_rate *= 100;
+ } else {
+ loss_rate = 0;
+ }
+ fibEntry->policy.stats.cellular.loss_rate = \
+ ALPHA * fibEntry->policy.stats.cellular.loss_rate + \
+ (1-ALPHA) * loss_rate;
+
+ fibEntry->policy_counters.cellular.num_bytes = 0;
+ fibEntry->policy_counters.cellular.num_losses = 0;
+ fibEntry->policy_counters.cellular.num_packets = 0;
+
+ /* ALL */
+
+ /* a) throughput */
+ if (fibEntry->policy_counters.all.num_bytes > 0) {
+ throughput = fibEntry->policy_counters.all.num_bytes / \
+ (now - fibEntry->policy_counters.last_update);
+ throughput = throughput * 8 / 1024;
+ if (throughput < 0)
+ throughput = 0;
+ } else {
+ throughput = 0;
+ }
+ fibEntry->policy.stats.all.throughput = \
+ ALPHA * fibEntry->policy.stats.all.throughput + \
+ (1-ALPHA) * throughput;
+
+ /* b) loss rate */
+ if ((fibEntry->policy_counters.all.num_losses > 0) && \
+ (fibEntry->policy_counters.all.num_packets > 0)) {
+ loss_rate = fibEntry->policy_counters.all.num_losses / \
+ fibEntry->policy_counters.all.num_packets;
+ loss_rate *= 100;
+ } else {
+ loss_rate = 0;
+ }
+ fibEntry->policy.stats.all.loss_rate = \
+ ALPHA * fibEntry->policy.stats.all.loss_rate + \
+ (1-ALPHA) * loss_rate;
+
+ fibEntry->policy_counters.all.num_bytes = 0;
+ fibEntry->policy_counters.all.num_losses = 0;
+ fibEntry->policy_counters.all.num_packets = 0;
+
+ fibEntry->policy_counters.last_update = now;
+}
+#endif /* WITH_POLICY */
+
Name *fibEntry_GetPrefix(const FibEntry *fibEntry) {
parcAssertNotNull(fibEntry, "Parameter fibEntry must be non-null");
return fibEntry->name;
@@ -202,12 +881,6 @@ StrategyImpl *fibEntry_GetFwdStrategy(const FibEntry *fibEntry) {
#ifdef WITH_MAPME
-void fibEntry_AddNexthopByConnectionId(FibEntry *fibEntry,
- unsigned connectionId) {
- parcAssertNotNull(fibEntry, "Parameter fibEntry must be non-null");
- fibEntry->fwdStrategy->addNexthop(fibEntry->fwdStrategy, connectionId);
-}
-
void *fibEntry_getUserData(const FibEntry *fibEntry) {
parcAssertNotNull(fibEntry, "Parameter fibEntry must be non-null");
return fibEntry->userData;
diff --git a/hicn-light/src/hicn/processor/fibEntry.h b/hicn-light/src/hicn/processor/fibEntry.h
index d677ae998..11a00e836 100644
--- a/hicn-light/src/hicn/processor/fibEntry.h
+++ b/hicn-light/src/hicn/processor/fibEntry.h
@@ -40,6 +40,10 @@
#include <hicn/core/name.h>
#include <hicn/strategies/strategyImpl.h>
+#ifdef WITH_POLICY
+#include <hicn/core/connectionTable.h>
+#endif /* WITH_POLICY */
+
#ifdef WITH_MAPME
#include <parc/algol/parc_EventTimer.h>
#include <parc/algol/parc_Iterator.h>
@@ -48,7 +52,12 @@
struct fib_entry;
typedef struct fib_entry FibEntry;
+#ifdef WITH_POLICY
+struct forwarder;
+FibEntry *fibEntry_Create(Name *name, strategy_type fwdStrategy, const struct forwarder * table);
+#else
FibEntry *fibEntry_Create(Name *name, strategy_type fwdStrategy);
+#endif
/**
* Decrements the reference count by one, and destroys the memory after last
@@ -72,6 +81,16 @@ FibEntry *fibEntry_Acquire(const FibEntry *fibEntry);
void fibEntry_SetStrategy(FibEntry *fibEntry, strategy_type strategy);
+#ifdef WITH_POLICY
+
+policy_t fibEntry_GetPolicy(const FibEntry *fibEntry);
+
+void fibEntry_ReconsiderPolicy(FibEntry *fibEntry);
+
+void fibEntry_SetPolicy(FibEntry *fibEntry, policy_t policy);
+
+#endif /* WITH_POLICY */
+
void fibEntry_AddNexthop(FibEntry *fibEntry, unsigned connectionId);
void fibEntry_RemoveNexthopByConnectionId(FibEntry *fibEntry,
@@ -89,13 +108,29 @@ size_t fibEntry_NexthopCount(const FibEntry *fibEntry);
const NumberSet *fibEntry_GetNexthops(const FibEntry *fibEntry);
const NumberSet *fibEntry_GetNexthopsFromForwardingStrategy(
+#ifdef WITH_POLICY
+ FibEntry *fibEntry, const Message *interestMessage, bool is_retransmission);
+#else
const FibEntry *fibEntry, const Message *interestMessage);
+#endif /* WITH_POLICY */
+#ifdef WITH_POLICY
+void fibEntry_ReceiveObjectMessage(FibEntry *fibEntry,
+#else
void fibEntry_ReceiveObjectMessage(const FibEntry *fibEntry,
+#endif /* WITH_POLICY */
const NumberSet *egressId,
const Message *objectMessage, Ticks rtt);
+#ifdef WITH_POLICY
+void fibEntry_OnTimeout(FibEntry *fibEntry, const NumberSet *egressId);
+#else
void fibEntry_OnTimeout(const FibEntry *fibEntry, const NumberSet *egressId);
+#endif /* WITH_POLICY */
+
+#ifdef WITH_POLICY
+void fibEntry_UpdateStats(FibEntry *fibEntry, uint64_t now);
+#endif /* WITH_POLICY */
strategy_type fibEntry_GetFwdStrategyType(const FibEntry *fibEntry);
@@ -111,15 +146,6 @@ Name *fibEntry_GetPrefix(const FibEntry *fibEntry);
#ifdef WITH_MAPME
/**
- * @function fibEntry_AddNexthopByConnectionId
- * @abstract Adds a next hop directly from the connection id.
- * @param [in] fibEntry - Pointer to the FIB entry.
- * @return The sequence number stored in the FIB entry.
- */
-void fibEntry_AddNexthopByConnectionId(FibEntry *fibEntry,
- unsigned connectionId);
-
-/**
* @function fibEntry_getUserData
* @abstract Returns user data associated to the FIB entry.
* @param [in] fibEntry - Pointer to the FIB entry.
diff --git a/hicn-light/src/hicn/processor/messageProcessor.c b/hicn-light/src/hicn/processor/messageProcessor.c
index 4db1a0eb2..7e0ece257 100644
--- a/hicn-light/src/hicn/processor/messageProcessor.c
+++ b/hicn-light/src/hicn/processor/messageProcessor.c
@@ -19,6 +19,12 @@
#include <parc/algol/parc_ArrayList.h>
#include <parc/algol/parc_Memory.h>
+#ifdef WITH_POLICY
+#include <parc/algol/parc_EventTimer.h>
+#ifdef WITH_MAPME
+#include <hicn/core/connection.h>
+#endif /* WITH_MAPME */
+#endif /* WITH_POLICY */
#include <hicn/processor/messageProcessor.h>
#include <hicn/processor/fib.h>
@@ -28,7 +34,9 @@
#include <hicn/content_store/contentStoreLRU.h>
#include <hicn/strategies/loadBalancer.h>
+#ifndef WITH_POLICY
#include <hicn/strategies/loadBalancerWithPD.h>
+#endif /* ! WITH_POLICY */
#include <hicn/strategies/rnd.h>
#include <hicn/strategies/rndSegment.h>
#include <hicn/strategies/strategyImpl.h>
@@ -43,6 +51,10 @@
#include <hicn/utils/address.h>
+#ifdef WITH_POLICY
+#define STATS_INTERVAL 1000 /* ms */
+#endif /* WITH_POLICY */
+
/*
* Copyright (c) 2017-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
@@ -94,6 +106,10 @@ struct message_processor {
bool serve_from_cache;
_ProcessorStats stats;
+
+#ifdef WITH_POLICY
+ void * timer;
+#endif /* WITH_POLICY */
};
static void messageProcessor_Drop(MessageProcessor *processor,
@@ -113,6 +129,23 @@ static void messageProcessor_ForwardToInterfaceId(MessageProcessor *processor,
// ============================================================
// Public API
+#ifdef WITH_POLICY
+static void
+messageProcessor_Tick(int fd, PARCEventType type, void *user_data)
+{
+ MessageProcessor *processor = (MessageProcessor*)user_data;
+ uint64_t now = (uint64_t)forwarder_GetTicks(processor->forwarder);
+
+ /* Loop over FIB entries to compute statistics from counters */
+ FibEntryList *fibList = forwarder_GetFibEntries(processor->forwarder);
+
+ for (size_t i = 0; i < fibEntryList_Length(fibList); i++) {
+ FibEntry *entry = (FibEntry *)fibEntryList_Get(fibList, i);
+ fibEntry_UpdateStats(entry, now);
+ }
+}
+#endif /* WITH_POLICY */
+
MessageProcessor *messageProcessor_Create(Forwarder *forwarder) {
size_t objectStoreSize =
configuration_GetObjectStoreSize(forwarder_GetConfiguration(forwarder));
@@ -148,6 +181,20 @@ MessageProcessor *messageProcessor_Create(Forwarder *forwarder) {
processor->store_in_cache = true;
processor->serve_from_cache = true;
+#ifdef WITH_POLICY
+ /* Create statistics timer */
+ Dispatcher *dispatcher = forwarder_GetDispatcher(forwarder);
+ if (!dispatcher)
+ goto ERR;
+ processor->timer = dispatcher_CreateTimer(dispatcher, /* repeat */ true,
+ messageProcessor_Tick, processor);
+ if (!processor->timer)
+ goto ERR;
+ struct timeval timeout = {STATS_INTERVAL / 1000, (STATS_INTERVAL % 1000) * 1000};
+ dispatcher_StartTimer(dispatcher, processor->timer, &timeout);
+ERR:
+#endif /* WITH_POLICY */
+
return processor;
}
@@ -201,6 +248,15 @@ void messageProcessor_Destroy(MessageProcessor **processorPtr) {
contentStoreInterface_Release(&processor->contentStore);
pit_Release(&processor->pit);
+#ifdef WITH_POLICY
+ Dispatcher *dispatcher = forwarder_GetDispatcher(processor->forwarder);
+ if (!dispatcher)
+ goto ERR;
+ dispatcher_StopTimer(dispatcher, processor->timer);
+ dispatcher_DestroyTimerEvent(dispatcher, (PARCEventTimer**)&processor->timer);
+ERR:
+#endif /* WITH_POLICY */
+
parcMemory_Deallocate((void **)&processor);
*processorPtr = NULL;
}
@@ -255,22 +311,33 @@ bool messageProcessor_AddOrUpdateRoute(MessageProcessor *processor,
Name *prefix = name_CreateFromAddress(control->addressType, control->address,
control->len);
FibEntry *entry = fib_Contains(processor->fib, prefix);
+#ifndef WITH_POLICY
bool newEntry = false;
+#endif /* ! WITH_POLICY */
if (entry != NULL) {
fibEntry_AddNexthop(entry, ifidx);
} else {
+#ifdef WITH_POLICY
+ entry = fibEntry_Create(prefix, fwdStrategy, processor->forwarder);
+#else
newEntry = true;
entry = fibEntry_Create(prefix, fwdStrategy);
+#endif /* WITH_POLICY */
fibEntry_AddNexthop(entry, ifidx);
fib_Add(processor->fib, entry);
}
name_Release(&prefix);
+
+#ifndef WITH_POLICY
+ /* For policy implementation, we need access to the ConnectionTable in all
+ * Forwarding Strategies, so it is setup during FIB Entry creation */
if (newEntry && (fwdStrategy == SET_STRATEGY_LOADBALANCER_WITH_DELAY)) {
strategyLoadBalancerWithPD_SetConnectionTable(
fibEntry_GetFwdStrategy(entry),
forwarder_GetConnectionTable(processor->forwarder));
}
+#endif /* ! WITH_POLICY */
return true;
}
@@ -286,6 +353,65 @@ bool messageProcessor_RemoveRoute(MessageProcessor *processor,
return true;
}
+#ifdef WITH_POLICY
+
+bool messageProcessor_AddOrUpdatePolicy(MessageProcessor *processor,
+ add_policy_command *control) {
+ Configuration *config = forwarder_GetConfiguration(processor->forwarder);
+
+ const char *prefixStr = utils_PrefixLenToString(
+ control->addressType, &control->address, &control->len);
+
+ Name *prefix = name_CreateFromAddress(control->addressType, control->address,
+ control->len);
+ FibEntry *entry = fib_Contains(processor->fib, prefix);
+ if (!entry) {
+ strategy_type fwdStrategy =
+ configuration_GetForwardingStrategy(config, prefixStr);
+ if (fwdStrategy == LAST_STRATEGY_VALUE) {
+ fwdStrategy = SET_STRATEGY_LOADBALANCER;
+ }
+ entry = fibEntry_Create(prefix, fwdStrategy, processor->forwarder);
+ fib_Add(processor->fib, entry);
+ }
+ fibEntry_SetPolicy(entry, control->policy);
+
+ name_Release(&prefix);
+
+ return true;
+}
+
+bool messageProcessor_RemovePolicy(MessageProcessor *processor,
+ remove_policy_command *control) {
+ Name *prefix = name_CreateFromAddress(control->addressType, control->address,
+ control->len);
+ FibEntry *entry = fib_Contains(processor->fib, prefix);
+ name_Release(&prefix);
+
+ if (!entry)
+ return false;
+
+ fibEntry_SetPolicy(entry, POLICY_NONE);
+
+ return true;
+}
+
+
+#ifdef WITH_MAPME
+void messageProcessor_onConnectionEvent(const MessageProcessor *processor,
+ const Connection *conn_added, connection_event_t event)
+{
+ FibEntryList *fiblist = forwarder_GetFibEntries(processor->forwarder);
+ for (size_t i = 0; i < fibEntryList_Length(fiblist); i++) {
+ FibEntry *fibEntry = (FibEntry *)fibEntryList_Get(fiblist, i);
+ fibEntry_ReconsiderPolicy(fibEntry);
+ }
+
+}
+#endif /* WITH_MAPME */
+
+#endif /* WITH_POLICY */
+
void messageProcessor_RemoveConnectionIdFromRoutes(MessageProcessor *processor,
unsigned connectionId) {
fib_RemoveConnectionId(processor->fib, connectionId);
@@ -295,12 +421,14 @@ void processor_SetStrategy(MessageProcessor *processor, Name *prefix,
strategy_type strategy) {
FibEntry *entry = fib_Contains(processor->fib, prefix);
if (entry != NULL) {
+#ifndef WITH_POLICY
fibEntry_SetStrategy(entry, strategy);
if (strategy == SET_STRATEGY_LOADBALANCER_WITH_DELAY) {
strategyLoadBalancerWithPD_SetConnectionTable(
fibEntry_GetFwdStrategy(entry),
forwarder_GetConnectionTable(processor->forwarder));
}
+#endif /* ! WITH_POLICY */
}
}
@@ -352,8 +480,13 @@ static void messageProcessor_Drop(MessageProcessor *processor,
* @return true if interest aggregagted (no more forwarding needed), false if
* need to keep processing it.
*/
+#ifdef WITH_POLICY
+static PITVerdict messageProcessor_AggregateInterestInPit(MessageProcessor *processor,
+ Message *interestMessage) {
+#else
static bool messageProcessor_AggregateInterestInPit(MessageProcessor *processor,
Message *interestMessage) {
+#endif /* WITH_POLICY */
PITVerdict verdict = pit_ReceiveInterest(processor->pit, interestMessage);
if (verdict == PITVerdict_Aggregate) {
@@ -444,8 +577,13 @@ static bool _satisfyFromContentStore(MessageProcessor *processor,
*
* @return true if we found a route and tried to forward it, false if no route
*/
+#ifdef WITH_POLICY
+static bool messageProcessor_ForwardViaFib(MessageProcessor *processor,
+ Message *interestMessage, PITVerdict verdict) {
+#else
static bool messageProcessor_ForwardViaFib(MessageProcessor *processor,
Message *interestMessage) {
+#endif /* WITH_POLICY */
FibEntry *fibEntry = fib_Match(processor->fib, interestMessage);
if (fibEntry == NULL) {
return false;
@@ -459,7 +597,12 @@ static bool messageProcessor_ForwardViaFib(MessageProcessor *processor,
pitEntry_AddFibEntry(pitEntry, fibEntry);
NumberSet *nexthops = (NumberSet *)fibEntry_GetNexthopsFromForwardingStrategy(
+#ifdef WITH_POLICY
+ fibEntry, interestMessage, verdict);
+#else
fibEntry, interestMessage);
+#endif /* WITH_POLICY */
+
// this requires some additional checks. It may happen that some of the output
// faces selected by the forwarding strategy are not usable. So far all the
// forwarding strategy return only valid faces (or an empty list)
@@ -503,10 +646,23 @@ static void messageProcessor_ReceiveInterest(MessageProcessor *processor,
processor->stats.countInterestsReceived++;
// (1) Try to aggregate in PIT
+#ifdef WITH_POLICY
+ PITVerdict verdict = messageProcessor_AggregateInterestInPit(processor, interestMessage);
+ switch(verdict) {
+ case PITVerdict_Aggregate:
+ //done
+ return;
+
+ case PITVerdict_Forward:
+ case PITVerdict_Retransmit:
+ break;
+ }
+#else
if (messageProcessor_AggregateInterestInPit(processor, interestMessage)) {
// done
return;
}
+#endif /* WITH_POLICY */
// At this point, we just created a PIT entry. If we don't forward the
// interest, we need to remove the PIT entry.
@@ -520,7 +676,11 @@ static void messageProcessor_ReceiveInterest(MessageProcessor *processor,
}
// (3) Try to forward it
+#ifdef WITH_POLICY
+ if (messageProcessor_ForwardViaFib(processor, interestMessage, verdict)) {
+#else
if (messageProcessor_ForwardViaFib(processor, interestMessage)) {
+#endif /* WITH_POLICY */
// done
return;
}
@@ -595,6 +755,7 @@ static void messageProcessor_ReceiveContentObject(MessageProcessor *processor,
}
// (3) Reverse path forward via PIT entries
messageProcessor_ForwardToNexthops(processor, message, ingressSetUnion);
+
}
numberSet_Release(&ingressSetUnion);
diff --git a/hicn-light/src/hicn/processor/messageProcessor.h b/hicn-light/src/hicn/processor/messageProcessor.h
index 64b08272d..6804ba018 100644
--- a/hicn-light/src/hicn/processor/messageProcessor.h
+++ b/hicn-light/src/hicn/processor/messageProcessor.h
@@ -32,6 +32,12 @@
#include <hicn/utils/commands.h>
+#ifdef WITH_POLICY
+#ifdef WITH_MAPME
+#include <hicn/core/connection.h>
+#endif /* WITH_MAPME */
+#endif /* WITH_POLICY */
+
struct message_processor;
typedef struct message_processor MessageProcessor;
@@ -100,6 +106,43 @@ bool messageProcessor_RemoveRoute(MessageProcessor *processor,
remove_route_command *control,
unsigned ifidx);
+#ifdef WITH_POLICY
+
+/**
+ * Adds or updates a policy in the FIB
+ *
+ * If the policy is already set, it is replaced
+ *
+ * @param [in] procesor An allocated message processor
+ * @param [in] control Control message
+ *
+ * @retval true added or updated
+ * @retval false An error
+ */
+bool messageProcessor_AddOrUpdatePolicy(MessageProcessor *processor,
+ add_policy_command *control);
+
+/**
+ * Removes a policy from the FIB
+ *
+ * Reset the policy in the FIB to the default (empty) policy.
+ *
+ * @param [in] procesor An allocated message processor
+ * @param [in] control Control message
+ *
+ * @retval true Policy completely removed
+ * @retval false There is still a nexthop for the policy
+ */
+bool messageProcessor_RemovePolicy(MessageProcessor *processor,
+ remove_policy_command *control);
+
+#ifdef WITH_MAPME
+void messageProcessor_onConnectionEvent(const MessageProcessor *processor,
+ const Connection *conn_added, connection_event_t event);
+#endif /* WITH_MAPME */
+
+#endif /* WITH_POLICY */
+
/**
* Removes a given connection id from all FIB entries
*
diff --git a/hicn-light/src/hicn/processor/pitStandard.c b/hicn-light/src/hicn/processor/pitStandard.c
index 9a3a829bd..edf0b5e98 100644
--- a/hicn-light/src/hicn/processor/pitStandard.c
+++ b/hicn-light/src/hicn/processor/pitStandard.c
@@ -160,7 +160,11 @@ static PITVerdict _pitStandard_ReceiveInterest(PIT *generic,
(void *)interestMessage, pitEntry_GetExpiryTime(pitEntry));
}
+#ifdef WITH_POLICY
+ return PITVerdict_Retransmit;
+#else
return PITVerdict_Forward;
+#endif /* WITH_POLICY */
}
// It is in the PIT but this is the first interest for the reverse path
diff --git a/hicn-light/src/hicn/processor/pitVerdict.h b/hicn-light/src/hicn/processor/pitVerdict.h
index 16631fa51..f37242027 100644
--- a/hicn-light/src/hicn/processor/pitVerdict.h
+++ b/hicn-light/src/hicn/processor/pitVerdict.h
@@ -32,5 +32,9 @@
* @constant PITVerdict_Aggregate The Interest was aggregated in the PIT, does
* not need to be forwarded
*/
+#ifdef WITH_POLICY
+typedef enum { PITVerdict_Forward, PITVerdict_Aggregate, PITVerdict_Retransmit } PITVerdict;
+#else
typedef enum { PITVerdict_Forward, PITVerdict_Aggregate } PITVerdict;
+#endif /* WITH_POLICY */
#endif // pitVerdict_h
diff --git a/hicn-light/src/hicn/socket/api.c b/hicn-light/src/hicn/socket/api.c
index aede01efe..213163675 100644
--- a/hicn-light/src/hicn/socket/api.c
+++ b/hicn-light/src/hicn/socket/api.c
@@ -36,7 +36,6 @@ static hicn_conf_t hicn_default_conf = {
};
/* Global state */
-// FIXME move into helper state ?
struct ip_rule_state_ {
char tun_name[IF_NAMESIZE];
@@ -61,8 +60,6 @@ uint16_t routes_counter;
static ip_rule_state rules_to_remove[MAX_TABLES];
static ip_route_state routes_to_remove[MAX_TABLES];
-// END FIXME
-
hicn_socket_helper_t *hicn_create() {
int rc;
@@ -265,8 +262,6 @@ end:
return rc;
}
-// XXX This could be used by hicn_set_remote_endpoint
-// XXX This has been introduced for mapme
int hicn_get_local_address(const ip_address_t *remote_address,
ip_address_t *local_address) {
int rc = 0;
@@ -520,11 +515,9 @@ int hicn_bind(hicn_socket_helper_t *hicn, int fd,
// each connection is associated a table id, let's take it equal to the
// tun ID by default (% MAX_TABLES, assuming TUN IDs do not overlap modulo
// 256...).
- // XXX we need to make sure the corresponding table is flushed.
socket->connection.table_id =
socket->tun_id % MAX_TABLES; // interface_id; // ops.get_free_table_id();
- // XXX use IP address
rc = hicn_set_remote_endpoint(socket, remote_ip_address);
if (rc < 0) {
goto ERR;
diff --git a/hicn-light/src/hicn/socket/api.h b/hicn-light/src/hicn/socket/api.h
index 3a1ae92b4..283065fc7 100644
--- a/hicn-light/src/hicn/socket/api.h
+++ b/hicn-light/src/hicn/socket/api.h
@@ -155,7 +155,14 @@ int hicn_set_conf(hicn_socket_helper_t *hicn, hicn_conf_t *hicn_conf);
*/
void hicn_free(hicn_socket_helper_t *hicn);
-// FIXME doc
+/**
+ * Returns the local address used to reach the remote address
+ *
+ * @param [in] remote_address
+ * @param [out] local address
+ *
+ * @return 0 in case of success, -1 otherwise.
+ */
int hicn_get_local_address(const ip_address_t *remote_address,
ip_address_t *local_address);
@@ -207,8 +214,6 @@ int hicn_listen(hicn_socket_helper_t *hicn, int fd, const char *prefix);
* RFC-compliant presentation format.
* @return 0 in case of success, -1 otherwise.
*
- * XXX adjacency does not perform any copy heresofar
- *
* @see hicn_socket
*/
int hicn_bind(hicn_socket_helper_t *hicn, int fd,
diff --git a/hicn-light/src/hicn/socket/error.h b/hicn-light/src/hicn/socket/error.h
index 8195efd84..f7c1d9f19 100644
--- a/hicn-light/src/hicn/socket/error.h
+++ b/hicn-light/src/hicn/socket/error.h
@@ -1,7 +1,6 @@
#ifndef HICN_SOCKET_ERROR_H
#define HICN_SOCKET_ERROR_H
-// FIXME remove unused errors
#define foreach_hicn_socket_error \
_(NONE, 0, "OK") \
_(UNSPEC, 1, "unspecified error") \
diff --git a/hicn-light/src/hicn/socket/ops_linux.c b/hicn-light/src/hicn/socket/ops_linux.c
index 1356e1ba0..0b1c6b817 100644
--- a/hicn-light/src/hicn/socket/ops_linux.c
+++ b/hicn-light/src/hicn/socket/ops_linux.c
@@ -1,6 +1,5 @@
#include <sys/ioctl.h> // ioctl
#include <sys/socket.h> // needed by linux/if.h
-//#include <linux/if.h>
#include <errno.h>
#include <fcntl.h> // ''
#include <linux/if_tun.h>
@@ -26,22 +25,6 @@
#include <stdint.h>
#include <stdlib.h>
-// DEPRECATED|/* Socket */
-// DEPRECATED|int _nl_get_socket();
-// DEPRECATED|int _nl_send(int s, uint8_t * buffer, size_t len);
-// DEPRECATED|size_t _nl_receive(uint8_t * buffer, size_t len);
-// DEPRECATED|
-// DEPRECATED|/* Netlink packet format */
-// DEPRECATED|int _nl_header(int request, uint8_t * buffer, size_t len, uint32_t
-// flags); DEPRECATED|int _nl_payload_rule(uint8_t table_id, uint8_t * buffer,
-// size_t len); DEPRECATED|int _nl_payload_link(uint32_t ifindex, uint8_t *
-// buffer, size_t len); DEPRECATED|int _nl_payload_route(uint8_t table_id,
-// uint8_t dst_len, uint8_t * buffer, size_t len); DEPRECATED| DEPRECATED|int
-// _nl_parse(uint8_t * buffer, size_t len); DEPRECATED|int _nl_parse_ret(uint8_t
-// * buffer, size_t len); DEPRECATED|int _nl_parse_link_ifid(uint8_t * buffer,
-// size_t len, uint32_t * interface_id); DEPRECATED|int
-// _nl_parse_link_ip_addr(uint8_t * buffer, size_t len, struct in6_addr * addr);
-
/* Public interface */
/**
@@ -127,25 +110,22 @@ int _nl_del_lo_prio_rule(const ip_address_t *ip_address,
*
* More specifically, it consists of the following functionalities:
* - LINK
- . map interface name to ID
- . set and interface up
+ * . map interface name to ID
+ * . set and interface up
* - ADDR
- . get and set ip addresses on a given interface ID
+ * . get and set ip addresses on a given interface ID
* - ROUTE
- . get output interface id towards IP (ip route get IP > interface_id)
- . add input route (ip route add PREFIX dev INTERFACE) for punting
- interests . add output route (ip route add default GATEWAY table TABLE) for
- routing interests (2, 3) . delete local route towards IP (ip route del IP table
- local) for ???
- /!\ could this be avoided by removing the local attribute in the
- netlink call ?
+ * . get output interface id towards IP (ip route get IP > interface_id)
+ * . add input route (ip route add PREFIX dev INTERFACE) for punting
+ * interests . add output route (ip route add default GATEWAY table TABLE)
+ * for routing interests (2, 3)
+ * . delete local route towards IP (ip route del IP table local)
* - RULE
* . add output rule (ip rule add iif interface table TABLE) for routing
- interests (2, 3)
- * - ND PROXY
+ * interests (2, 3) - ND PROXY
* . enable NDP proxy functionality for IP on interface ID (ip -6 neigh add
- proxy IP dev INTERFACE)
- * for allowing the TUN to be reachable on the reverse data path
+ * proxy IP dev INTERFACE) for allowing the TUN to be reachable on the
+ * reverse data path
*
* Implementation notes:
* (1) We have not been using the libnl library because it requires
@@ -209,16 +189,11 @@ int _nl_del_lo_prio_rule(const ip_address_t *ip_address,
#include <sys/socket.h> // ''
#include <sys/types.h> // send, recv
-//#include "../../hicn.h"
-//#include "../../hicn_util.h" // ARRAY_SIZE, hicn_packet_dump_iov
-
#define BUFSIZE 4096
#define FLAGS_CREATE NLM_F_REQUEST | NLM_F_CREATE | NLM_F_ACK
-// ??
#define FLAGS_CREATE_MATCH \
NLM_F_REQUEST | NLM_F_CREATE | NLM_F_ACK | NLM_F_MATCH
-// XXX putting ACK poses a prolem for the value received by get_if_id.
#define FLAGS_GET NLM_F_REQUEST
#define FLAGS_GET_ROOT (NLM_F_REQUEST | NLM_F_ROOT)
@@ -226,7 +201,7 @@ int _nl_del_lo_prio_rule(const ip_address_t *ip_address,
#ifndef __ANDROID__
#define IF_NAMESIZE 16
-#endif
+#endif
#define FR_ACT_TO_TBL 1
#define NLMSG_BOTTOM(nlmsg) \
((struct rtattr *)(((void *)(nlmsg)) + NLMSG_ALIGN((nlmsg)->nlmsg_len)))
@@ -651,15 +626,10 @@ int _nl_set_ip_addr(uint32_t interface_id, ip_address_t *ip_address) {
/* Set attributes = length/type/value */
struct rtattr ifa_address = {RTA_LENGTH(ip_address_len(ip_address)),
IFA_ADDRESS};
- // XXX maybe the reason why we have a local route ?
- // struct rtattr ifa_local = { RTA_LENGTH(ip_address_len(ip_address)),
- // IFA_LOCAL };
struct iovec iov[] = {
{&msg, sizeof(msg)},
{&ifa_address, sizeof(ifa_address)},
{(void *)&ip_address->buffer, sizeof(ip_address->buffer)},
- // { &ifa_local, sizeof(ifa_local) },
- // { (void*)&ip_address->buffer, sizeof(ip_address->buffer) },
};
msg.hdr.nlmsg_len = iov_length(iov, ARRAY_SIZE(iov));
@@ -1075,11 +1045,8 @@ int _nl_add_rule(const char *interface_name, uint8_t address_family,
_nl_header(RTM_NEWRULE, (uint8_t *)buffer, BUFSIZE, FLAGS_CREATE);
_nl_payload_rule(table_id, address_family, (uint8_t *)buffer, BUFSIZE);
- /* XXX iif */
addAttr(hdr, BUFSIZE, FRA_IIFNAME, (void *)interface_name,
strlen(interface_name));
- // attr1 = addNestedAttr(hdr, IFLA_LINKINFO);
- // endNestedAttr(hdr, attr1);
fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE);
if (fd < 0) {
@@ -1124,7 +1091,6 @@ int _nl_del_rule(const char *interface_name, uint8_t address_family,
_nl_header(RTM_DELRULE, (uint8_t *)buffer, BUFSIZE, FLAGS_CREATE);
_nl_payload_rule(table_id, address_family, (uint8_t *)buffer, BUFSIZE);
- /* XXX iif */
addAttr(hdr, BUFSIZE, FRA_IIFNAME, (void *)interface_name,
strlen(interface_name));
@@ -1253,7 +1219,7 @@ int _nl_add_in_route_table(const ip_address_t *prefix,
.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE | NLM_F_ACK | NLM_F_EXCL,
.hdr.nlmsg_seq = seq++,
.payload.rtm_family = prefix->family,
- .payload.rtm_dst_len = prefix->prefix_len, // XXX ? XXX dst_len,
+ .payload.rtm_dst_len = prefix->prefix_len,
.payload.rtm_src_len = 0,
.payload.rtm_tos = 0,
.payload.rtm_table = table_id, /* RT_TABLE_MAIN, etc. */
@@ -1265,7 +1231,6 @@ int _nl_add_in_route_table(const ip_address_t *prefix,
};
/* Message attributes = length/type/value */
- // XXX This could be put directly inside the iovec maybe ? XXX
struct rtattr a_dst = {RTA_LENGTH(ip_address_len(prefix)), RTA_DST};
struct rtattr a_oif = {RTA_LENGTH(sizeof(uint32_t)), RTA_OIF};
@@ -1332,7 +1297,6 @@ int _nl_add_in_route_s(const char *prefix, const uint32_t interface_id) {
return _nl_add_in_route_table_s(prefix, interface_id, RT_TABLE_MAIN);
}
-////////* ip -6 rule add from all prio 10 table local */
/* ip -6 rule add from b001::/16 prio 0 table 100 */
int _nl_add_prio_rule(const ip_address_t *ip_address, uint8_t address_family,
const uint32_t priority, const uint8_t table_id) {
diff --git a/hicn-light/src/hicn/strategies/loadBalancer.c b/hicn-light/src/hicn/strategies/loadBalancer.c
index 6ab26b7ca..b66de217e 100644
--- a/hicn-light/src/hicn/strategies/loadBalancer.c
+++ b/hicn-light/src/hicn/strategies/loadBalancer.c
@@ -36,9 +36,15 @@ static void _strategyLoadBalancer_ReceiveObject(StrategyImpl *strategy,
static void _strategyLoadBalancer_OnTimeout(StrategyImpl *strategy,
const NumberSet *egressId);
static NumberSet *_strategyLoadBalancer_LookupNexthop(
- StrategyImpl *strategy, const Message *interestMessage);
+ StrategyImpl *strategy,
+#ifdef WITH_POLICY
+ NumberSet * nexthops,
+#endif /* WITH_POLICY */
+ const Message *interestMessage);
+#ifndef WITH_POLICY
static NumberSet *_strategyLoadBalancer_ReturnNexthops(StrategyImpl *strategy);
static unsigned _strategyLoadBalancer_CountNexthops(StrategyImpl *strategy);
+#endif /* ! WITH_POLICY */
static void _strategyLoadBalancer_AddNexthop(StrategyImpl *strategy,
unsigned connectionId);
static void _strategyLoadBalancer_RemoveNexthop(StrategyImpl *strategy,
@@ -51,8 +57,10 @@ static StrategyImpl _template = {
.receiveObject = &_strategyLoadBalancer_ReceiveObject,
.onTimeout = &_strategyLoadBalancer_OnTimeout,
.lookupNexthop = &_strategyLoadBalancer_LookupNexthop,
+#ifndef WITH_POLICY
.returnNexthops = &_strategyLoadBalancer_ReturnNexthops,
.countNexthops = &_strategyLoadBalancer_CountNexthops,
+#endif /* ! WITH_POLICY */
.addNexthop = &_strategyLoadBalancer_AddNexthop,
.removeNexthop = &_strategyLoadBalancer_RemoveNexthop,
.destroy = &_strategyLoadBalancer_ImplDestroy,
@@ -63,10 +71,14 @@ struct strategy_load_balancer;
typedef struct strategy_load_balancer StrategyLoadBalancer;
struct strategy_load_balancer {
+#ifndef WITH_POLICY
double weights_sum;
+#endif /* ! WITH_POLICY */
// hash map from connectionId to StrategyNexthopState
PARCHashMap *strategy_state;
+#ifndef WITH_POLICY
NumberSet *nexthops;
+#endif /* ! WITH_POLICY */
};
StrategyImpl *strategyLoadBalancer_Create() {
@@ -75,9 +87,13 @@ StrategyImpl *strategyLoadBalancer_Create() {
parcAssertNotNull(strategy, "parcMemory_AllocateAndClear(%zu) returned NULL",
sizeof(StrategyLoadBalancer));
+#ifndef WITH_POLICY
strategy->weights_sum = 0.0;
+#endif /* ! WITH_POLICY */
strategy->strategy_state = parcHashMap_Create();
+#ifndef WITH_POLICY
strategy->nexthops = numberSet_Create();
+#endif /* ! WITH_POLICY */
srand((unsigned int)time(NULL));
StrategyImpl *impl = parcMemory_AllocateAndClear(sizeof(StrategyImpl));
@@ -99,12 +115,17 @@ strategy_type _strategyLoadBalancer_GetStrategy(StrategyImpl *strategy) {
static void _update_Stats(StrategyLoadBalancer *strategy,
StrategyNexthopState *state, bool inc) {
const double ALPHA = 0.9;
+#ifdef WITH_POLICY
+ strategyNexthopState_UpdateState(state, inc, ALPHA);
+#else
double w = strategyNexthopState_GetWeight(state);
strategy->weights_sum -= w;
w = strategyNexthopState_UpdateState(state, inc, ALPHA);
strategy->weights_sum += w;
+#endif /* WITH_POLICY */
}
+#ifndef WITH_POLICY
static unsigned _select_Nexthop(StrategyLoadBalancer *strategy) {
double rnd = (double)rand() / (double)RAND_MAX;
double start_range = 0.0;
@@ -135,6 +156,7 @@ static unsigned _select_Nexthop(StrategyLoadBalancer *strategy) {
// this!
return nexthop;
}
+#endif /* ! WITH_POLICY */
static void _strategyLoadBalancer_ReceiveObject(StrategyImpl *strategy,
const NumberSet *egressId,
@@ -164,14 +186,47 @@ static void _strategyLoadBalancer_OnTimeout(StrategyImpl *strategy,
}
static NumberSet *_strategyLoadBalancer_LookupNexthop(
- StrategyImpl *strategy, const Message *interestMessage) {
+ StrategyImpl *strategy,
+#ifdef WITH_POLICY
+ NumberSet * nexthops,
+#endif /* WITH_POLICY */
+ const Message *interestMessage) {
StrategyLoadBalancer *lb = (StrategyLoadBalancer *)strategy->context;
+ NumberSet *outList = numberSet_Create();
+#ifdef WITH_POLICY
+ /* Compute the sum of weights of potential next hops */
+ double sum = 0;
+ for (unsigned i = 0; i < numberSet_Length(nexthops); i++) {
+ PARCUnsigned *cid = parcUnsigned_Create(numberSet_GetItem(nexthops, i));
+ const StrategyNexthopState *elem =
+ parcHashMap_Get(lb->strategy_state, cid);
+ if (!elem)
+ continue;
+ sum += strategyNexthopState_GetWeight(elem);
+ }
+
+ /* Perform weighted random selection */
+ double distance = (double)rand() * sum / ((double)RAND_MAX + 1);
+
+ for (unsigned i = 0; i < numberSet_Length(nexthops); i++) {
+ PARCUnsigned *cid = parcUnsigned_Create(numberSet_GetItem(nexthops, i));
+ const StrategyNexthopState *state =
+ parcHashMap_Get(lb->strategy_state, cid);
+ if (!state)
+ continue;
+ distance -= strategyNexthopState_GetWeight(state);
+ if (distance < 0) {
+ numberSet_Add(outList, parcUnsigned_GetUnsigned(cid));
+ _update_Stats(lb, (StrategyNexthopState *)state, true);
+ break;
+ }
+ }
+#else
unsigned in_connection = message_GetIngressConnectionId(interestMessage);
PARCUnsigned *in = parcUnsigned_Create(in_connection);
unsigned mapSize = (unsigned)parcHashMap_Size(lb->strategy_state);
- NumberSet *outList = numberSet_Create();
if ((mapSize == 0) ||
((mapSize == 1) && parcHashMap_Contains(lb->strategy_state, in))) {
@@ -201,9 +256,12 @@ static NumberSet *_strategyLoadBalancer_LookupNexthop(
parcUnsigned_Release(&out);
numberSet_Add(outList, out_connection);
+#endif /* WITH_POLICY */
+
return outList;
}
+#ifndef WITH_POLICY
static NumberSet *_strategyLoadBalancer_ReturnNexthops(StrategyImpl *strategy) {
StrategyLoadBalancer *lb = (StrategyLoadBalancer *)strategy->context;
return lb->nexthops;
@@ -213,10 +271,13 @@ unsigned _strategyLoadBalancer_CountNexthops(StrategyImpl *strategy) {
StrategyLoadBalancer *lb = (StrategyLoadBalancer *)strategy->context;
return (unsigned)numberSet_Length(lb->nexthops);
}
+#endif /* ! WITH_POLICY */
static void _strategyLoadBalancer_resetState(StrategyImpl *strategy) {
StrategyLoadBalancer *lb = (StrategyLoadBalancer *)strategy->context;
+#ifndef WITH_POLICY
lb->weights_sum = 0.0;
+#endif/* ! WITH_POLICY */
PARCIterator *it = parcHashMap_CreateKeyIterator(lb->strategy_state);
while (parcIterator_HasNext(it)) {
@@ -225,7 +286,9 @@ static void _strategyLoadBalancer_resetState(StrategyImpl *strategy) {
(StrategyNexthopState *)parcHashMap_Get(lb->strategy_state, cid);
strategyNexthopState_Reset(elem);
+#ifndef WITH_POLICY
lb->weights_sum += strategyNexthopState_GetWeight(elem);
+#endif /* ! WITH_POLICY */
}
parcIterator_Release(&it);
@@ -241,7 +304,9 @@ static void _strategyLoadBalancer_AddNexthop(StrategyImpl *strategy,
if (!parcHashMap_Contains(lb->strategy_state, cid)) {
parcHashMap_Put(lb->strategy_state, cid, state);
+#ifndef WITH_POLICY
numberSet_Add(lb->nexthops, connectionId);
+#endif /* WITH_POLICY */
_strategyLoadBalancer_resetState(strategy);
}
}
@@ -254,7 +319,9 @@ static void _strategyLoadBalancer_RemoveNexthop(StrategyImpl *strategy,
if (parcHashMap_Contains(lb->strategy_state, cid)) {
parcHashMap_Remove(lb->strategy_state, cid);
+#ifndef WITH_POLICY
numberSet_Remove(lb->nexthops, connectionId);
+#endif /* WITH_POLICY */
_strategyLoadBalancer_resetState(strategy);
}
@@ -270,7 +337,9 @@ static void _strategyLoadBalancer_ImplDestroy(StrategyImpl **strategyPtr) {
StrategyLoadBalancer *strategy = (StrategyLoadBalancer *)impl->context;
parcHashMap_Release(&(strategy->strategy_state));
+#ifndef WITH_POLICY
numberSet_Release(&(strategy->nexthops));
+#endif /* ! WITH_POLICY */
parcMemory_Deallocate((void **)&strategy);
parcMemory_Deallocate((void **)&impl);
diff --git a/hicn-light/src/hicn/strategies/loadBalancer.h b/hicn-light/src/hicn/strategies/loadBalancer.h
index d0f4faece..74920768d 100644
--- a/hicn-light/src/hicn/strategies/loadBalancer.h
+++ b/hicn-light/src/hicn/strategies/loadBalancer.h
@@ -23,4 +23,5 @@
#include <hicn/strategies/strategyImpl.h>
StrategyImpl *strategyLoadBalancer_Create();
+
#endif // loadBalancer_h
diff --git a/hicn-light/src/hicn/strategies/loadBalancerWithPD.c b/hicn-light/src/hicn/strategies/loadBalancerWithPD.c
index 58f3b25fc..b0aae4cbb 100644
--- a/hicn-light/src/hicn/strategies/loadBalancerWithPD.c
+++ b/hicn-light/src/hicn/strategies/loadBalancerWithPD.c
@@ -38,11 +38,17 @@ static void _strategyLoadBalancerWithPD_ReceiveObject(
static void _strategyLoadBalancerWithPD_OnTimeout(StrategyImpl *strategy,
const NumberSet *egressId);
static NumberSet *_strategyLoadBalancerWithPD_LookupNexthop(
- StrategyImpl *strategy, const Message *interestMessage);
+ StrategyImpl *strategy,
+#ifdef WITH_POLICY
+ NumberSet * nexthops,
+#endif
+ const Message *interestMessage);
+#ifndef WITH_POLICY
static NumberSet *_strategyLoadBalancerWithPD_ReturnNexthops(
StrategyImpl *strategy);
static unsigned _strategyLoadBalancerWithPD_CountNexthops(
StrategyImpl *strategy);
+#endif /* ! WITH_POLICY */
static void _strategyLoadBalancerWithPD_AddNexthop(StrategyImpl *strategy,
unsigned connectionId);
static void _strategyLoadBalancerWithPD_RemoveNexthop(StrategyImpl *strategy,
@@ -56,8 +62,10 @@ static StrategyImpl _template = {
.receiveObject = &_strategyLoadBalancerWithPD_ReceiveObject,
.onTimeout = &_strategyLoadBalancerWithPD_OnTimeout,
.lookupNexthop = &_strategyLoadBalancerWithPD_LookupNexthop,
+#ifndef WITH_POLICY
.returnNexthops = &_strategyLoadBalancerWithPD_ReturnNexthops,
.countNexthops = &_strategyLoadBalancerWithPD_CountNexthops,
+#endif /* ! WITH_POLICY */
.addNexthop = &_strategyLoadBalancerWithPD_AddNexthop,
.removeNexthop = &_strategyLoadBalancerWithPD_RemoveNexthop,
.destroy = &_strategyLoadBalancerWithPD_ImplDestroy,
@@ -72,13 +80,19 @@ struct strategy_load_balancer_with_pd {
unsigned min_delay;
// hash map from connectionId to StrategyNexthopState
PARCHashMap *strategy_state;
+#ifndef WITH_POLICY
NumberSet *nexthops;
- ConnectionTable *connTable;
+#endif /* ! WITH_POLICY */
+ const ConnectionTable *connTable;
bool toInit;
unsigned int fwdPackets;
};
+#ifdef WITH_POLICY
+StrategyImpl *strategyLoadBalancerWithPD_Create(const ConnectionTable *table) {
+#else
StrategyImpl *strategyLoadBalancerWithPD_Create() {
+#endif /* WITH_POLICY */
StrategyLoadBalancerWithPD *strategy =
parcMemory_AllocateAndClear(sizeof(StrategyLoadBalancerWithPD));
parcAssertNotNull(strategy, "parcMemory_AllocateAndClear(%zu) returned NULL",
@@ -87,7 +101,9 @@ StrategyImpl *strategyLoadBalancerWithPD_Create() {
strategy->weights_sum = 0.0;
strategy->min_delay = INT_MAX;
strategy->strategy_state = parcHashMap_Create();
+#ifndef WITH_POLICY
strategy->nexthops = numberSet_Create();
+#endif /* ! WITH_POLICY */
srand((unsigned int)time(NULL));
StrategyImpl *impl = parcMemory_AllocateAndClear(sizeof(StrategyImpl));
@@ -127,6 +143,31 @@ static void _update_Stats(StrategyLoadBalancerWithPD *strategy,
strategy->weights_sum += w;
}
+#ifdef WITH_POLICY
+static void _sendProbes(StrategyLoadBalancerWithPD *strategy, NumberSet * nexthops) {
+ unsigned size = (unsigned)numberSet_Length(nexthops);
+ for (unsigned i = 0; i < size; i++) {
+ unsigned nhop = numberSet_GetItem(nexthops, i);
+ Connection *conn =
+ (Connection *)connectionTable_FindById(strategy->connTable, nhop);
+ if (!conn)
+ continue;
+
+ connection_Probe(conn);
+ unsigned delay = (unsigned)connection_GetDelay(conn);
+ PARCUnsigned *cid = parcUnsigned_Create(nhop);
+ StrategyNexthopStateWithPD *elem =
+ (StrategyNexthopStateWithPD *)parcHashMap_Get(
+ strategy->strategy_state, cid);
+ strategyNexthopStateWithPD_SetDelay(elem, delay);
+ if (delay < strategy->min_delay && delay != 0) {
+ strategy->min_delay = delay;
+ }
+
+ parcUnsigned_Release(&cid);
+ }
+}
+#else
static void _sendProbes(StrategyLoadBalancerWithPD *strategy) {
unsigned size = (unsigned)numberSet_Length(strategy->nexthops);
for (unsigned i = 0; i < size; i++) {
@@ -149,7 +190,53 @@ static void _sendProbes(StrategyLoadBalancerWithPD *strategy) {
}
}
}
+#endif /* WITH_POLICY */
+
+#ifdef WITH_POLICY
+static unsigned _select_Nexthop(StrategyLoadBalancerWithPD *strategy, NumberSet * nexthops) {
+ strategy->fwdPackets++;
+ if (strategy->toInit || strategy->fwdPackets == PROBE_FREQUENCY) {
+ strategy->toInit = false;
+ strategy->fwdPackets = 0;
+ _sendProbes(strategy, nexthops);
+ }
+ double rnd = (double)rand() / (double)RAND_MAX;
+ double start_range = 0.0;
+
+ PARCIterator *it = parcHashMap_CreateKeyIterator(strategy->strategy_state);
+
+ unsigned nexthop = 100000;
+ while (parcIterator_HasNext(it)) {
+ PARCUnsigned *cid = parcIterator_Next(it);
+ const StrategyNexthopStateWithPD *elem =
+ parcHashMap_Get(strategy->strategy_state, cid);
+ double w = strategyNexthopStateWithPD_GetWeight(elem);
+
+ // printf("next = %u .. pi %u avgpi %f w %f avgrtt
+ // %f\n",parcUnsigned_GetUnsigned(cid),
+ // strategyNexthopStateWithPD_GetPI(elem),
+ // strategyNexthopStateWithPD_GetWeight(elem),
+ // strategyNexthopStateWithPD_GetWeight(elem),
+ // strategyNexthopStateWithPD_GetAvgRTT(elem));
+
+ double prob = w / strategy->weights_sum;
+ if ((rnd >= start_range) && (rnd < (start_range + prob))) {
+ nexthop = parcUnsigned_GetUnsigned(cid);
+ break;
+ } else {
+ start_range += prob;
+ }
+ }
+
+ parcIterator_Release(&it);
+
+ // if no face is selected by the algorithm (for example because of a wrong
+ // round in the weights) we may always select the last face here. Double check
+ // this!
+ return nexthop;
+}
+#else
static unsigned _select_Nexthop(StrategyLoadBalancerWithPD *strategy) {
strategy->fwdPackets++;
if (strategy->toInit || strategy->fwdPackets == PROBE_FREQUENCY) {
@@ -193,6 +280,7 @@ static unsigned _select_Nexthop(StrategyLoadBalancerWithPD *strategy) {
// this!
return nexthop;
}
+#endif /* WITH_POLICY */
static void _strategyLoadBalancerWithPD_ReceiveObject(
StrategyImpl *strategy, const NumberSet *egressId,
@@ -242,7 +330,11 @@ static void _strategyLoadBalancerWithPD_OnTimeout(StrategyImpl *strategy,
// function never returns NULL. in case we have no output face we need to return
// an empty NumberSet
static NumberSet *_strategyLoadBalancerWithPD_LookupNexthop(
- StrategyImpl *strategy, const Message *interestMessage) {
+ StrategyImpl *strategy,
+#ifdef WITH_POLICY
+ NumberSet * nexthops,
+#endif
+ const Message *interestMessage) {
StrategyLoadBalancerWithPD *lb =
(StrategyLoadBalancerWithPD *)strategy->context;
@@ -262,7 +354,11 @@ static NumberSet *_strategyLoadBalancerWithPD_LookupNexthop(
unsigned out_connection;
do {
+#ifdef WITH_POLICY
+ out_connection = _select_Nexthop(lb, nexthops);
+#else
out_connection = _select_Nexthop(lb);
+#endif /* WITH_POLICY */
} while (out_connection == in_connection);
PARCUnsigned *out = parcUnsigned_Create(out_connection);
@@ -284,6 +380,7 @@ static NumberSet *_strategyLoadBalancerWithPD_LookupNexthop(
return outList;
}
+#ifndef WITH_POLICY
static NumberSet *_strategyLoadBalancerWithPD_ReturnNexthops(
StrategyImpl *strategy) {
StrategyLoadBalancerWithPD *lb =
@@ -296,6 +393,7 @@ unsigned _strategyLoadBalancerWithPD_CountNexthops(StrategyImpl *strategy) {
(StrategyLoadBalancerWithPD *)strategy->context;
return (unsigned)numberSet_Length(lb->nexthops);
}
+#endif /* WITH_POLICY */
static void _strategyLoadBalancerWithPD_resetState(StrategyImpl *strategy) {
StrategyLoadBalancerWithPD *lb =
@@ -328,7 +426,9 @@ static void _strategyLoadBalancerWithPD_AddNexthop(StrategyImpl *strategy,
if (!parcHashMap_Contains(lb->strategy_state, cid)) {
parcHashMap_Put(lb->strategy_state, cid, state);
+#ifndef WITH_POLICY
numberSet_Add(lb->nexthops, connectionId);
+#endif /* ! WITH_POLICY */
_strategyLoadBalancerWithPD_resetState(strategy);
}
}
@@ -342,7 +442,9 @@ static void _strategyLoadBalancerWithPD_RemoveNexthop(StrategyImpl *strategy,
if (parcHashMap_Contains(lb->strategy_state, cid)) {
parcHashMap_Remove(lb->strategy_state, cid);
+#ifndef WITH_POLICY
numberSet_Remove(lb->nexthops, connectionId);
+#endif /* ! WITH_POLICY */
_strategyLoadBalancerWithPD_resetState(strategy);
}
@@ -360,7 +462,9 @@ static void _strategyLoadBalancerWithPD_ImplDestroy(
(StrategyLoadBalancerWithPD *)impl->context;
parcHashMap_Release(&(strategy->strategy_state));
+#ifndef WITH_POLICY
numberSet_Release(&(strategy->nexthops));
+#endif /* ! WITH_POLICY */
parcMemory_Deallocate((void **)&strategy);
parcMemory_Deallocate((void **)&impl);
diff --git a/hicn-light/src/hicn/strategies/loadBalancerWithPD.h b/hicn-light/src/hicn/strategies/loadBalancerWithPD.h
index d8a215913..e6c9f8271 100644
--- a/hicn-light/src/hicn/strategies/loadBalancerWithPD.h
+++ b/hicn-light/src/hicn/strategies/loadBalancerWithPD.h
@@ -21,10 +21,15 @@
#ifndef loadBalancerWithPD_h
#define loadBalancerWithPD_h
-#include <hicn/core/connectionTable.h>
#include <hicn/strategies/strategyImpl.h>
+#include <hicn/core/connectionTable.h>
+#ifdef WITH_POLICY
+StrategyImpl *strategyLoadBalancerWithPD_Create(const ConnectionTable * table);
+#else
StrategyImpl *strategyLoadBalancerWithPD_Create();
+#endif /* WITH_POLICY */
+
void strategyLoadBalancerWithPD_SetConnectionTable(StrategyImpl *strategy,
ConnectionTable *connTable);
#endif // loadBalancerWithPD_h
diff --git a/hicn-light/src/hicn/strategies/nexthopState.c b/hicn-light/src/hicn/strategies/nexthopState.c
index 0997193ce..40af14832 100644
--- a/hicn-light/src/hicn/strategies/nexthopState.c
+++ b/hicn-light/src/hicn/strategies/nexthopState.c
@@ -23,6 +23,8 @@
#include <parc/assert/parc_Assert.h>
#include <hicn/strategies/nexthopState.h>
+#define AVG_PI_THRESHOLD 1e-3
+
struct strategy_nexthop_state {
unsigned int pi;
double avg_pi;
@@ -197,7 +199,11 @@ double strategyNexthopState_UpdateState(StrategyNexthopState *x, bool inc,
}
}
x->avg_pi = (x->avg_pi * alpha) + (x->pi * (1 - alpha));
+#ifdef WITH_POLICY
+ if (x->avg_pi < AVG_PI_THRESHOLD) {
+#else
if (x->avg_pi == 0.0) {
+#endif /* WITH_POLICY */
x->avg_pi = 0.1;
}
x->weight = 1 / x->avg_pi;
diff --git a/hicn-light/src/hicn/strategies/rnd.c b/hicn-light/src/hicn/strategies/rnd.c
index e2d74036c..637fd90f9 100644
--- a/hicn-light/src/hicn/strategies/rnd.c
+++ b/hicn-light/src/hicn/strategies/rnd.c
@@ -32,9 +32,14 @@ static void _strategyRnd_ReceiveObject(StrategyImpl *strategy,
static void _strategyRnd_OnTimeout(StrategyImpl *strategy,
const NumberSet *egressId);
static NumberSet *_strategyRnd_LookupNexthop(StrategyImpl *strategy,
- const Message *interestMessage);
+#ifdef WITH_POLICY
+ NumberSet * nexthops,
+#endif /* WITH_POLICY */
+ const Message *interestMessage);
+#ifndef WITH_POLICY
static NumberSet *_strategyRnd_ReturnNexthops(StrategyImpl *strategy);
static unsigned _strategyRnd_CountNexthops(StrategyImpl *strategy);
+#endif /* ! WITH_POLICY */
static void _strategyRnd_AddNexthop(StrategyImpl *strategy,
unsigned connectionId);
static void _strategyRnd_RemoveNexthop(StrategyImpl *strategy,
@@ -47,8 +52,10 @@ static StrategyImpl _template = {
.receiveObject = &_strategyRnd_ReceiveObject,
.onTimeout = &_strategyRnd_OnTimeout,
.lookupNexthop = &_strategyRnd_LookupNexthop,
+#ifndef WITH_POLICY
.returnNexthops = &_strategyRnd_ReturnNexthops,
.countNexthops = &_strategyRnd_CountNexthops,
+#endif /* ! WITH_POLICY */
.addNexthop = &_strategyRnd_AddNexthop,
.removeNexthop = &_strategyRnd_RemoveNexthop,
.destroy = &_strategyRnd_ImplDestroy,
@@ -59,7 +66,9 @@ struct strategy_rnd;
typedef struct strategy_rnd StrategyRnd;
struct strategy_rnd {
+#ifndef WITH_POLICY
NumberSet *nexthops;
+#endif /* ! WITH_POLICY */
};
StrategyImpl *strategyRnd_Create() {
@@ -67,7 +76,9 @@ StrategyImpl *strategyRnd_Create() {
parcAssertNotNull(strategy, "parcMemory_AllocateAndClear(%zu) returned NULL",
sizeof(StrategyRnd));
+#ifndef WITH_POLICY
strategy->nexthops = numberSet_Create();
+#endif /* ! WITH_POLICY */
srand((unsigned int)time(NULL));
StrategyImpl *impl = parcMemory_AllocateAndClear(sizeof(StrategyImpl));
@@ -85,6 +96,7 @@ strategy_type _strategyRnd_GetStrategy(StrategyImpl *strategy) {
return SET_STRATEGY_RANDOM;
}
+#ifndef WITH_POLICY
static int _select_Nexthop(StrategyRnd *strategy) {
unsigned len = (unsigned)numberSet_Length(strategy->nexthops);
if (len == 0) {
@@ -94,6 +106,7 @@ static int _select_Nexthop(StrategyRnd *strategy) {
int rnd = (rand() % len);
return numberSet_GetItem(strategy->nexthops, rnd);
}
+#endif /* ! WITH_POLICY */
static void _strategyRnd_ReceiveObject(StrategyImpl *strategy,
const NumberSet *egressId,
@@ -104,13 +117,22 @@ static void _strategyRnd_OnTimeout(StrategyImpl *strategy,
const NumberSet *egressId) {}
static NumberSet *_strategyRnd_LookupNexthop(StrategyImpl *strategy,
- const Message *interestMessage) {
- StrategyRnd *srnd = (StrategyRnd *)strategy->context;
+#ifdef WITH_POLICY
+ NumberSet * nexthops,
+#endif /* WITH_POLICY */
+ const Message *interestMessage) {
+ unsigned out_connection;
+ NumberSet *out = numberSet_Create();
+
+#ifdef WITH_POLICY
+ // We return one next hop at random
+ out_connection = numberSet_GetItem(nexthops, rand() % numberSet_Length(nexthops));
+#else
+ StrategyRnd *srnd = (StrategyRnd *)strategy->context;
unsigned in_connection = message_GetIngressConnectionId(interestMessage);
unsigned nexthopSize = (unsigned)numberSet_Length(srnd->nexthops);
- NumberSet *out = numberSet_Create();
if ((nexthopSize == 0) ||
((nexthopSize == 1) &&
numberSet_Contains(srnd->nexthops, in_connection))) {
@@ -119,7 +141,6 @@ static NumberSet *_strategyRnd_LookupNexthop(StrategyImpl *strategy,
return out;
}
- unsigned out_connection;
do {
out_connection = _select_Nexthop(srnd);
} while (out_connection == in_connection);
@@ -127,11 +148,13 @@ static NumberSet *_strategyRnd_LookupNexthop(StrategyImpl *strategy,
if (out_connection == -1) {
return out;
}
+#endif /* WITH_POLICY */
numberSet_Add(out, out_connection);
return out;
}
+#ifndef WITH_POLICY
static NumberSet *_strategyRnd_ReturnNexthops(StrategyImpl *strategy) {
StrategyRnd *srnd = (StrategyRnd *)strategy->context;
return srnd->nexthops;
@@ -141,22 +164,27 @@ unsigned _strategyRnd_CountNexthops(StrategyImpl *strategy) {
StrategyRnd *srnd = (StrategyRnd *)strategy->context;
return (unsigned)numberSet_Length(srnd->nexthops);
}
+#endif /* ! WITH_POLICY */
static void _strategyRnd_AddNexthop(StrategyImpl *strategy,
unsigned connectionId) {
+#ifndef WITH_POLICY
StrategyRnd *srnd = (StrategyRnd *)strategy->context;
if (!numberSet_Contains(srnd->nexthops, connectionId)) {
numberSet_Add(srnd->nexthops, connectionId);
}
+#endif /* ! WITH_POLICY */
}
static void _strategyRnd_RemoveNexthop(StrategyImpl *strategy,
unsigned connectionId) {
+#ifndef WITH_POLICY
StrategyRnd *srnd = (StrategyRnd *)strategy->context;
if (numberSet_Contains(srnd->nexthops, connectionId)) {
numberSet_Remove(srnd->nexthops, connectionId);
}
+#endif /* ! WITH_POLICY */
}
static void _strategyRnd_ImplDestroy(StrategyImpl **strategyPtr) {
@@ -167,7 +195,9 @@ static void _strategyRnd_ImplDestroy(StrategyImpl **strategyPtr) {
StrategyImpl *impl = *strategyPtr;
StrategyRnd *strategy = (StrategyRnd *)impl->context;
+#ifndef WITH_POLICY
numberSet_Release(&(strategy->nexthops));
+#endif /* ! WITH_POLICY */
parcMemory_Deallocate((void **)&strategy);
parcMemory_Deallocate((void **)&impl);
diff --git a/hicn-light/src/hicn/strategies/rnd.h b/hicn-light/src/hicn/strategies/rnd.h
index b57b41ccf..78fb34758 100644
--- a/hicn-light/src/hicn/strategies/rnd.h
+++ b/hicn-light/src/hicn/strategies/rnd.h
@@ -23,4 +23,5 @@
#include <hicn/strategies/strategyImpl.h>
StrategyImpl* strategyRnd_Create();
+
#endif // rnd_h
diff --git a/hicn-light/src/hicn/strategies/rndSegment.c b/hicn-light/src/hicn/strategies/rndSegment.c
index d7a5c6aec..93e39ee74 100644
--- a/hicn-light/src/hicn/strategies/rndSegment.c
+++ b/hicn-light/src/hicn/strategies/rndSegment.c
@@ -33,9 +33,15 @@ static void _strategyRndSegment_ReceiveObject(StrategyImpl *strategy,
static void _strategyRndSegment_OnTimeout(StrategyImpl *strategy,
const NumberSet *egressId);
static NumberSet *_strategyRndSegment_LookupNexthop(
- StrategyImpl *strategy, const Message *interestMessage);
+ StrategyImpl *strategy,
+#ifdef WITH_POLICY
+ NumberSet * nexthops,
+#endif /* WITH_POLICY */
+ const Message *interestMessage);
+#ifndef WITH_POLICY
static NumberSet *_strategyRndSegment_ReturnNexthops(StrategyImpl *strategy);
static unsigned _strategyRndSegment_CountNexthops(StrategyImpl *strategy);
+#endif /* ! WITH_POLICY */
static void _strategyRndSegment_AddNexthop(StrategyImpl *strategy,
unsigned connectionId);
static void _strategyRndSegment_RemoveNexthop(StrategyImpl *strategy,
@@ -48,8 +54,10 @@ static StrategyImpl _template = {
.receiveObject = &_strategyRndSegment_ReceiveObject,
.onTimeout = &_strategyRndSegment_OnTimeout,
.lookupNexthop = &_strategyRndSegment_LookupNexthop,
+#ifndef WITH_POLICY
.returnNexthops = &_strategyRndSegment_ReturnNexthops,
.countNexthops = &_strategyRndSegment_CountNexthops,
+#endif /* ! WITH_POLICY */
.addNexthop = &_strategyRndSegment_AddNexthop,
.removeNexthop = &_strategyRndSegment_RemoveNexthop,
.destroy = &_strategyRndSegment_ImplDestroy,
@@ -111,7 +119,11 @@ static void _strategyRndSegment_OnTimeout(StrategyImpl *strategy,
const NumberSet *egressId) {}
static NumberSet *_strategyRndSegment_LookupNexthop(
- StrategyImpl *strategy, const Message *interestMessage) {
+ StrategyImpl *strategy,
+#ifdef WITH_POLICY
+ NumberSet * nexthops,
+#endif /* WITH_POLICY */
+ const Message *interestMessage) {
StrategyRndSegment *srnd = (StrategyRndSegment *)strategy->context;
unsigned in_connection = message_GetIngressConnectionId(interestMessage);
@@ -161,6 +173,7 @@ static NumberSet *_strategyRndSegment_LookupNexthop(
return out;
}
+#ifndef WITH_POLICY
static NumberSet *_strategyRndSegment_ReturnNexthops(StrategyImpl *strategy) {
StrategyRndSegment *srnd = (StrategyRndSegment *)strategy->context;
return srnd->nexthops;
@@ -170,22 +183,27 @@ unsigned _strategyRndSegment_CountNexthops(StrategyImpl *strategy) {
StrategyRndSegment *srnd = (StrategyRndSegment *)strategy->context;
return (unsigned)numberSet_Length(srnd->nexthops);
}
+#endif /* ! WITH_POLICY */
static void _strategyRndSegment_AddNexthop(StrategyImpl *strategy,
unsigned connectionId) {
+#ifndef WITH_POLICY
StrategyRndSegment *srnd = (StrategyRndSegment *)strategy->context;
if (!numberSet_Contains(srnd->nexthops, connectionId)) {
numberSet_Add(srnd->nexthops, connectionId);
}
+#endif /* ! WITH_POLICY */
}
static void _strategyRndSegment_RemoveNexthop(StrategyImpl *strategy,
unsigned connectionId) {
+#ifndef WITH_POLICY
StrategyRndSegment *srnd = (StrategyRndSegment *)strategy->context;
if (numberSet_Contains(srnd->nexthops, connectionId)) {
numberSet_Remove(srnd->nexthops, connectionId);
}
+#endif /* ! WITH_POLICY */
}
static void _strategyRndSegment_ImplDestroy(StrategyImpl **strategyPtr) {
diff --git a/hicn-light/src/hicn/strategies/rndSegment.h b/hicn-light/src/hicn/strategies/rndSegment.h
index 897ccca47..6694f03e5 100644
--- a/hicn-light/src/hicn/strategies/rndSegment.h
+++ b/hicn-light/src/hicn/strategies/rndSegment.h
@@ -23,5 +23,6 @@
#include <hicn/strategies/strategyImpl.h>
-StrategyImpl* strategyRndSegment_Create();
+StrategyImpl *strategyRndSegment_Create();
+
#endif // rnd_Segment_h
diff --git a/hicn-light/src/hicn/strategies/strategyImpl.h b/hicn-light/src/hicn/strategies/strategyImpl.h
index 2634665eb..d4001194a 100644
--- a/hicn-light/src/hicn/strategies/strategyImpl.h
+++ b/hicn-light/src/hicn/strategies/strategyImpl.h
@@ -55,12 +55,18 @@ struct strategy_impl {
const Message *objectMessage, Ticks rtt);
void (*onTimeout)(StrategyImpl *strategy, const NumberSet *egressId);
NumberSet *(*lookupNexthop)(StrategyImpl *strategy,
+#ifdef WITH_POLICY
+ NumberSet * nexthops,
+#endif /* WITH_POLICY */
const Message *interestMessage);
+#ifndef WITH_POLICY
NumberSet *(*returnNexthops)(StrategyImpl *strategy);
unsigned (*countNexthops)(StrategyImpl *strategy);
+#endif /* ! WITH_POLICY */
void (*addNexthop)(StrategyImpl *strategy, unsigned connectionId);
void (*removeNexthop)(StrategyImpl *strategy, unsigned connectionId);
void (*destroy)(StrategyImpl **strategyPtr);
strategy_type (*getStrategy)(StrategyImpl *strategy);
};
+
#endif // strategyImpl_h
diff --git a/hicn-light/src/hicn/utils/CMakeLists.txt b/hicn-light/src/hicn/utils/CMakeLists.txt
index ad9c8e4c1..dd9e12c15 100644
--- a/hicn-light/src/hicn/utils/CMakeLists.txt
+++ b/hicn-light/src/hicn/utils/CMakeLists.txt
@@ -19,7 +19,9 @@ list(APPEND HEADER_FILES
${CMAKE_CURRENT_SOURCE_DIR}/commands.h
${CMAKE_CURRENT_SOURCE_DIR}/interface.h
${CMAKE_CURRENT_SOURCE_DIR}/interfaceSet.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/policy.h
${CMAKE_CURRENT_SOURCE_DIR}/punting.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/token.h
${CMAKE_CURRENT_SOURCE_DIR}/utils.h
)
@@ -28,6 +30,7 @@ list(APPEND SOURCE_FILES
${CMAKE_CURRENT_SOURCE_DIR}/addressList.c
${CMAKE_CURRENT_SOURCE_DIR}/interface.c
${CMAKE_CURRENT_SOURCE_DIR}/interfaceSet.c
+ ${CMAKE_CURRENT_SOURCE_DIR}/policy.c
${CMAKE_CURRENT_SOURCE_DIR}/punting.c
${CMAKE_CURRENT_SOURCE_DIR}/utils.c
)
diff --git a/hicn-light/src/hicn/utils/commands.h b/hicn-light/src/hicn/utils/commands.h
index 96415d8da..223bbffaa 100644
--- a/hicn-light/src/hicn/utils/commands.h
+++ b/hicn-light/src/hicn/utils/commands.h
@@ -31,6 +31,8 @@
#include <stdint.h>
#include <stdlib.h>
+#include <hicn/utils/policy.h>
+
typedef struct in6_addr ipv6_addr_t;
typedef uint32_t ipv4_addr_t;
@@ -67,6 +69,12 @@ typedef enum {
MAPME_TIMESCALE,
MAPME_RETX,
CONNECTION_SET_ADMIN_STATE,
+#ifdef WITH_POLICY
+ ADD_POLICY,
+ LIST_POLICIES,
+ REMOVE_POLICY,
+ UPDATE_CONNECTION,
+#endif /* WITH_POLICY */
LAST_COMMAND_VALUE
} command_id;
@@ -129,6 +137,9 @@ typedef struct {
uint8_t ipType;
uint8_t connectionType;
uint8_t admin_state;
+#ifdef WITH_POLICY
+ policy_tags_t tags;
+#endif /* WITH_POLICY */
} add_connection_command;
// SIZE=56
@@ -291,6 +302,36 @@ typedef struct {
uint8_t admin_state;
} connection_set_admin_state_command;
+#ifdef WITH_POLICY
+
+typedef struct {
+ union commandAddr address;
+ uint8_t addressType;
+ uint8_t len;
+ policy_t policy;
+} add_policy_command;
+
+typedef struct {
+ union commandAddr address;
+ uint8_t addressType;
+ uint8_t len;
+ policy_t policy;
+} list_policies_command;
+
+typedef struct {
+ union commandAddr address;
+ uint8_t addressType;
+ uint8_t len;
+} remove_policy_command;
+
+typedef struct {
+ char symbolicOrConnid[16];
+ uint8_t admin_state;
+ policy_tags_t tags;
+} update_connection_command;
+
+#endif /* WITH_POLICY */
+
//===== size of commands ======
// REMINDER: when a new_command is added, the following switch has to be
// updated.
@@ -334,6 +375,16 @@ static inline int payloadLengthDaemon(command_id id) {
return sizeof(mapme_timing_command);
case CONNECTION_SET_ADMIN_STATE:
return sizeof(connection_set_admin_state_command);
+#ifdef WITH_POLICY
+ case ADD_POLICY:
+ return sizeof(add_policy_command);
+ case LIST_POLICIES:
+ return 0; // list policies: payload always 0
+ case REMOVE_POLICY:
+ return sizeof(remove_policy_command);
+ case UPDATE_CONNECTION:
+ return sizeof(update_connection_command);
+#endif /* WITH_POLICY */
case LAST_COMMAND_VALUE:
return 0;
default:
diff --git a/hicn-light/src/hicn/utils/policy.c b/hicn-light/src/hicn/utils/policy.c
new file mode 100644
index 000000000..6c8651ee3
--- /dev/null
+++ b/hicn-light/src/hicn/utils/policy.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * \file policy.h
+ * \brief Implementation of policy description
+ */
+
+#include <stdio.h>
+#include "policy.h"
+
+const char * policy_tag_str[] = {
+ #define _(x, y) [POLICY_TAG_ ## x] = STRINGIZE(x),
+ foreach_policy_tag
+ #undef _
+};
+
+const char policy_tag_short_str[] = {
+ #define _(x, y) [POLICY_TAG_ ## x] = y,
+ foreach_policy_tag
+ #undef _
+};
+
+const char * policy_state_str[] = {
+ #define _(x) [POLICY_STATE_ ## x] = STRINGIZE(x),
+ foreach_policy_state
+ #undef _
+};
+
+int
+policy_tag_state_snprintf(char * s, size_t size, const policy_tag_state_t * tag_state)
+{
+ char *cur = s;
+ int rc;
+
+ if (tag_state->disabled > 1)
+ return -1;
+
+ rc = snprintf(cur, s + size - cur, "%s%s", (tag_state->disabled == 1) ? "!" : "", policy_state_str[tag_state->state]);
+ if (rc < 0)
+ return rc;
+ cur += rc;
+ if (size != 0 && cur >= s + size)
+ return cur - s;
+
+ return cur - s;
+}
diff --git a/hicn-light/src/hicn/utils/policy.h b/hicn-light/src/hicn/utils/policy.h
new file mode 100644
index 000000000..993fdca44
--- /dev/null
+++ b/hicn-light/src/hicn/utils/policy.h
@@ -0,0 +1,232 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * \file policy.h
+ * \brief Policy description
+ */
+#ifndef HICN_POLICY_H
+#define HICN_POLICY_H
+
+#include <netinet/in.h> // INET*_ADDRSTRLEN
+#include <string.h> // strcasecmp
+#include "token.h"
+
+/* POLICY TAG */
+
+#define foreach_policy_tag \
+ /* Interface type */ \
+ _(WIRED, 'E') \
+ _(WIFI, 'W') \
+ _(CELLULAR, 'C') \
+ /* QoS */ \
+ _(BEST_EFFORT, 'b') \
+ _(REALTIME, 'r') \
+ _(MULTIPATH, 'M') \
+ /* Security */ \
+ _(TRUSTED, 'T')
+
+typedef enum {
+#define _(x, y) POLICY_TAG_ ## x,
+foreach_policy_tag
+#undef _
+ POLICY_TAG_N
+} policy_tag_t;
+
+#define MAXSZ_POLICY_TAG_ 11
+#define MAXSZ_POLICY_TAG MAXSZ_POLICY_TAG_ + 1
+
+extern const char * policy_tag_str[];
+extern const char policy_tag_short_str[];
+
+static inline
+policy_tag_t
+policy_tag_from_str(const char * str)
+{
+#define _(x, y) if (strcasecmp(str, policy_tag_str[POLICY_TAG_ ## x] ) == 0) { return POLICY_TAG_ ## x; } else
+foreach_policy_tag
+#undef _
+ return POLICY_TAG_N;
+}
+
+/* POLICY_TAGS */
+
+typedef int policy_tags_t;
+
+static inline
+void policy_tags_add(policy_tags_t * tags, policy_tag_t tag)
+{
+ *tags |= (1 << tag);
+}
+
+static inline
+void policy_tags_remove(policy_tags_t * tags, policy_tag_t tag)
+{
+ *tags &= ~(1 << tag);
+}
+
+static inline
+int policy_tags_has(policy_tags_t tags, policy_tag_t tag)
+{
+ return tags & (1 << tag);
+}
+
+#define POLICY_TAGS_EMPTY 0
+
+static inline
+int
+policy_tags_snprintf(char * s, size_t size, policy_tags_t tags)
+{
+#define _(x, y) s[POLICY_TAG_ ## x] = policy_tags_has(tags, POLICY_TAG_ ## x) ? y : '.';
+foreach_policy_tag
+#undef _
+ s[POLICY_TAG_N] = '\0';
+ return POLICY_TAG_N + 1;
+}
+
+#define MAXSZ_POLICY_TAGS_ POLICY_TAG_N
+#define MAXSZ_POLICY_TAGS MAXSZ_POLICY_TAGS_ + 1
+
+/* POLICY STATE */
+
+#define foreach_policy_state \
+ _(NEUTRAL) \
+ _(REQUIRE) \
+ _(PREFER) \
+ _(AVOID) \
+ _(PROHIBIT) \
+ _(N)
+
+typedef enum {
+#define _(x) POLICY_STATE_ ## x,
+foreach_policy_state
+#undef _
+} policy_state_t;
+
+#define MAXSZ_POLICY_STATE_ 8
+#define MAXSZ_POLICY_STATE MAXSZ_POLICY_STATE_ + 1
+
+extern const char * policy_state_str[];
+
+
+/* POLICY TAG STATE */
+
+typedef struct {
+ policy_state_t state;
+ uint8_t disabled;
+} policy_tag_state_t;
+
+#define MAXSZ_POLICY_TAG_STATE_ 8
+#define MAXSZ_POLICY_TAG_STATE MAXSZ_POLICY_TAG_STATE_ + 1
+
+int policy_tag_state_snprintf(char * s, size_t size, const policy_tag_state_t * tag_state);
+
+
+/* INTERFACE STATS */
+
+typedef struct {
+ float throughput;
+ float latency;
+ float loss_rate;
+} interface_stats_t;
+
+#define INTERFACE_STATS_NONE { \
+ .throughput = 0, \
+ .latency = 0, \
+ .loss_rate = 0, \
+}
+
+
+/* POLICY STATS */
+
+typedef struct {
+ interface_stats_t wired;
+ interface_stats_t wifi;
+ interface_stats_t cellular;
+ interface_stats_t all;
+} policy_stats_t;
+
+#define POLICY_STATS_NONE { \
+ .wired = INTERFACE_STATS_NONE, \
+ .wifi = INTERFACE_STATS_NONE, \
+ .cellular = INTERFACE_STATS_NONE, \
+ .all = INTERFACE_STATS_NONE, \
+}
+
+typedef struct {
+ uint32_t num_packets;
+ uint32_t num_bytes;
+ uint32_t num_losses;
+ uint32_t latency_idle;
+} interface_counters_t;
+
+#define INTERFACE_COUNTERS_NONE { \
+ .num_packets = 0, \
+ .num_bytes = 0, \
+ .num_losses = 0, \
+ .latency_idle = 0, \
+}
+
+typedef struct {
+ interface_counters_t wired;
+ interface_counters_t wifi;
+ interface_counters_t cellular;
+ interface_counters_t all;
+ uint64_t last_update;
+} policy_counters_t;
+
+#define POLICY_COUNTERS_NONE (policy_counters_t) { \
+ .wired = INTERFACE_COUNTERS_NONE, \
+ .wifi = INTERFACE_COUNTERS_NONE, \
+ .cellular = INTERFACE_COUNTERS_NONE, \
+ .all = INTERFACE_COUNTERS_NONE, \
+ .last_update = 0, \
+}
+
+/* POLICY */
+
+#define APP_NAME_LEN 128
+
+typedef struct {
+ char app_name[APP_NAME_LEN];
+ policy_tag_state_t tags[POLICY_TAG_N];
+ policy_stats_t stats;
+} policy_t;
+
+static const policy_t POLICY_NONE = {
+ .app_name = { 0 },
+ .tags = {
+#define _(x, y) [POLICY_TAG_ ## x] = { POLICY_STATE_NEUTRAL, 0 },
+foreach_policy_tag
+#undef _
+ },
+ .stats = POLICY_STATS_NONE,
+};
+
+
+/* POLICY DESCRIPTION */
+
+#define PFX_STRLEN 4 /* eg. /128 */
+
+typedef struct {
+ int family;
+ union {
+ char ipv4_prefix[INET_ADDRSTRLEN + PFX_STRLEN];
+ char ipv6_prefix[INET6_ADDRSTRLEN + PFX_STRLEN];
+ };
+ policy_t policy;
+} policy_description_t;
+
+#endif /* HICN_POLICY_H */
diff --git a/hicn-light/src/hicn/utils/token.h b/hicn-light/src/hicn/utils/token.h
new file mode 100644
index 000000000..43e0a77b2
--- /dev/null
+++ b/hicn-light/src/hicn/utils/token.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* Token concatenation */
+
+/*
+ * Concatenate preprocessor tokens A and B without expanding macro definitions
+ * (however, if invoked from a macro, macro arguments are expanded).
+ */
+#define PPCAT_NX(A, B) A ## B
+
+/*
+ * Concatenate preprocessor tokens A and B after macro-expanding them.
+ */
+#define PPCAT(A, B) PPCAT_NX(A, B)
+
+/* Token stringification */
+
+/*
+ * Turn A into a string literal without expanding macro definitions
+ * (however, if invoked from a macro, macro arguments are expanded).
+ */
+#define STRINGIZE_NX(A) #A
+
+/*
+ * Turn A into a string literal after macro-expanding it.
+ */
+#define STRINGIZE(A) STRINGIZE_NX(A)