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-rwxr-xr-xhicn-light/src/config/controlAddListener.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/hicn-light/src/config/controlAddListener.c b/hicn-light/src/config/controlAddListener.c
new file mode 100755
index 000000000..8f687c3a6
--- /dev/null
+++ b/hicn-light/src/config/controlAddListener.c
@@ -0,0 +1,178 @@
+/*
+ * 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.
+ */
+
+#include <src/config.h>
+
+#include <ctype.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+
+#include <parc/assert/parc_Assert.h>
+
+#include <parc/algol/parc_Memory.h>
+#include <parc/algol/parc_Network.h>
+
+#include <src/config/controlAddListener.h>
+
+#include <src/utils/commands.h>
+#include <src/utils/utils.h>
+
+static CommandReturn _controlAddListener_Execute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args);
+static CommandReturn _controlAddListener_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args);
+
+static const char *command_add_listener = "add listener";
+static const char *command_help_add_listener = "help add listener";
+
+CommandOps *controlAddListener_Create(ControlState *state) {
+ return commandOps_Create(state, command_add_listener, NULL,
+ _controlAddListener_Execute, commandOps_Destroy);
+}
+
+CommandOps *controlAddListener_HelpCreate(ControlState *state) {
+ return commandOps_Create(state, command_help_add_listener, NULL,
+ _controlAddListener_HelpExecute, commandOps_Destroy);
+}
+
+// ====================================================
+
+static const int _indexProtocol = 2;
+static const int _indexSymbolic = 3;
+static const int _indexAddress = 4;
+static const int _indexPort = 5;
+
+static CommandReturn _controlAddListener_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args) {
+ printf("commands:\n");
+ printf(" add listener hicn <symbolic> <localAddress> \n");
+ printf(" add listener udp <symbolic> <localAddress> <port> \n");
+ printf(" add listener tcp <symbolic> <localAddress> <port> \n");
+ printf("\n");
+ printf(
+ " symbolic: User defined name for listener, must start with "
+ "alpha and be alphanum\n");
+ printf(" protocol: hicn | udp\n");
+ printf(
+ " localAddress: IPv4 or IPv6 address (or prefix protocol = hicn) "
+ "assigend to the local interface\n");
+ printf(" port: Udp port\n");
+ printf("\n");
+ printf("Notes:\n");
+ printf(" The symblic name must be unique or the source will reject it.\n");
+ printf(
+ " If protocol = hinc: the address 0::0 indicates the main listern, "
+ "for which we can set punting rules.\n");
+ return CommandReturn_Success;
+}
+
+static CommandReturn _CreateListener(CommandParser *parser, CommandOps *ops,
+ const char *symbolic, const char *addr,
+ const char *port, listener_mode mode,
+ connection_type type) {
+ ControlState *state = ops->closure;
+
+ // allocate command payload
+ add_listener_command *addListenerCommand =
+ parcMemory_AllocateAndClear(sizeof(add_listener_command));
+
+ // check and set IP address
+ if (inet_pton(AF_INET, addr, &addListenerCommand->address.ipv4) == 1) {
+ addListenerCommand->addressType = ADDR_INET;
+
+ } else if (inet_pton(AF_INET6, addr, &addListenerCommand->address.ipv6) ==
+ 1) {
+ addListenerCommand->addressType = ADDR_INET6;
+
+ } else {
+ printf("Error: %s is not a valid network address \n", addr);
+ parcMemory_Deallocate(&addListenerCommand);
+ return CommandReturn_Failure;
+ }
+
+ // Fill remaining payload fields
+ addListenerCommand->listenerMode = mode;
+ addListenerCommand->connectionType = type;
+ addListenerCommand->port = htons((uint16_t)atoi(port));
+ strcpy(addListenerCommand->symbolic, symbolic);
+
+ // send message and receive response
+ struct iovec *response = utils_SendRequest(
+ state, ADD_LISTENER, addListenerCommand, sizeof(add_listener_command));
+
+ if (!response) { // get NULL pointer
+ return CommandReturn_Failure;
+ }
+
+ parcMemory_Deallocate(&response); // free iovec pointer
+ return CommandReturn_Success;
+}
+
+static CommandReturn _controlAddListener_Execute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args) {
+ if (parcList_Size(args) != 5 && parcList_Size(args) != 6) {
+ _controlAddListener_HelpExecute(parser, ops, args);
+ return CommandReturn_Failure;
+ }
+
+ CommandReturn result = CommandReturn_Failure;
+
+ const char *symbolic = parcList_GetAtIndex(args, _indexSymbolic);
+
+ if (!utils_ValidateSymbolicName(symbolic)) {
+ printf(
+ "Error: symbolic name must begin with an alpha and be alphanum "
+ "after\n");
+ return result;
+ }
+
+ const char *host = parcList_GetAtIndex(args, _indexAddress);
+ const char *protocol = parcList_GetAtIndex(args, _indexProtocol);
+
+ if ((strcasecmp("hicn", protocol) == 0)) {
+ const char *port =
+ "1234"; // this is a random port number that will be ignored
+
+ // here we discard the prefix len if it exists, since we don't use it in
+ // code but we let libhicn to find the right ip address.
+ return _CreateListener(parser, ops, symbolic, host, port, HICN_MODE,
+ HICN_CONN);
+ }
+
+ const char *port = parcList_GetAtIndex(args, _indexPort);
+
+ if ((strcasecmp("udp", protocol) == 0)) {
+ return _CreateListener(parser, ops, symbolic, host, port, IP_MODE,
+ UDP_CONN);
+ } else if ((strcasecmp("tcp", protocol) == 0)) {
+ return _CreateListener(parser, ops, symbolic, host, port, IP_MODE,
+ TCP_CONN);
+ } else {
+ _controlAddListener_HelpExecute(parser, ops, args);
+ return CommandReturn_Failure;
+ }
+
+ if (result == CommandReturn_Failure) printf("creation failed\n");
+
+ return result;
+}