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-rwxr-xr-xhicn-light/src/config/controlListConnections.c160
1 files changed, 160 insertions, 0 deletions
diff --git a/hicn-light/src/config/controlListConnections.c b/hicn-light/src/config/controlListConnections.c
new file mode 100755
index 000000000..474ddc45f
--- /dev/null
+++ b/hicn-light/src/config/controlListConnections.c
@@ -0,0 +1,160 @@
+/*
+ * 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 <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 <src/config/controlListConnections.h>
+
+#include <src/utils/commands.h>
+#include <src/utils/utils.h>
+
+static CommandReturn _controlListConnections_Execute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args);
+static CommandReturn _controlListConnections_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args);
+
+static const char *_commandListConnections = "list connections";
+static const char *_commandListConnectionsHelp = "help list connections";
+const char *connTypeString[6] = {"GRE", "TCP", "UDP", "MCAST", "L2", "HICN"};
+const char *stateString[3] = {"UP", "DOWN", "UNKNOWN"};
+
+CommandOps *controlListConnections_Create(ControlState *state) {
+ return commandOps_Create(state, _commandListConnections, NULL,
+ _controlListConnections_Execute, commandOps_Destroy);
+}
+
+CommandOps *controlListConnections_HelpCreate(ControlState *state) {
+ return commandOps_Create(state, _commandListConnectionsHelp, NULL,
+ _controlListConnections_HelpExecute,
+ commandOps_Destroy);
+}
+
+// ====================================================
+
+static CommandReturn _controlListConnections_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args) {
+ printf("list connections: displays a 1-line summary of each connection\n");
+ printf("\n");
+ printf("The columns are:\n");
+ printf(" connection id : an integer index for the connection\n");
+ printf(" state : UP or DOWN\n");
+ printf(
+ " local address : the local network address associated with the "
+ "connection\n");
+ printf(
+ " remote address: the remote network address associated with the "
+ "connection\n");
+ printf(
+ " protocol : the network protocol (tcp, udp, gre, mcast, "
+ "ether)\n");
+ printf("\n");
+ return CommandReturn_Success;
+}
+
+static CommandReturn _controlListConnections_Execute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args) {
+ if (parcList_Size(args) != 2) {
+ _controlListConnections_HelpExecute(parser, ops, args);
+ return CommandReturn_Failure;
+ }
+
+ ControlState *state = ops->closure;
+
+ // send message and receive response
+ struct iovec *response = utils_SendRequest(state, LIST_CONNECTIONS, 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;
+
+ char *sourceString = NULL;
+ char *destinationString = NULL;
+
+ // 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);
+ }
+ }
+
+ // Process/Print payload
+ for (int i = 0; i < receivedHeader->length; i++) {
+ list_connections_command *listConnectionsCommand =
+ (list_connections_command *)(receivedPayload +
+ (i * sizeof(list_connections_command)));
+
+ sourceString = utils_CommandAddressToString(
+ listConnectionsCommand->connectionData.ipType,
+ &listConnectionsCommand->connectionData.localIp,
+ &listConnectionsCommand->connectionData.localPort);
+
+ destinationString = utils_CommandAddressToString(
+ listConnectionsCommand->connectionData.ipType,
+ &listConnectionsCommand->connectionData.remoteIp,
+ &listConnectionsCommand->connectionData.remotePort);
+
+ PARCBufferComposer *composer = parcBufferComposer_Create();
+
+ parcBufferComposer_Format(
+ composer, "%5d %4s %s %s %s", listConnectionsCommand->connid,
+ stateString[listConnectionsCommand->state], sourceString,
+ destinationString,
+ connTypeString[listConnectionsCommand->connectionData.connectionType]);
+
+ 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);
+ }
+
+ controlState_SetCommandOutput(state, commandOutputMain);
+
+ // DEALLOCATE
+ parcMemory_Deallocate((void **)&sourceString);
+ parcMemory_Deallocate((void **)&destinationString);
+ 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;
+}