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-rwxr-xr-xhicn-light/src/config/controlListRoutes.c154
1 files changed, 154 insertions, 0 deletions
diff --git a/hicn-light/src/config/controlListRoutes.c b/hicn-light/src/config/controlListRoutes.c
new file mode 100755
index 000000000..4a21b5ef4
--- /dev/null
+++ b/hicn-light/src/config/controlListRoutes.c
@@ -0,0 +1,154 @@
+/*
+ * 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 <parc/algol/parc_Time.h>
+
+#include <src/config/controlListRoutes.h>
+
+#include <src/utils/commands.h>
+#include <src/utils/utils.h>
+
+static CommandReturn _controlListRoutes_Execute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args);
+static CommandReturn _controlListRoutes_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args);
+
+static const char *_commandListRoutes = "list routes";
+static const char *_commandListRoutesHelp = "help list routes";
+
+// ====================================================
+
+CommandOps *controlListRoutes_Create(ControlState *state) {
+ return commandOps_Create(state, _commandListRoutes, NULL,
+ _controlListRoutes_Execute, commandOps_Destroy);
+}
+
+CommandOps *controlListRoutes_HelpCreate(ControlState *state) {
+ return commandOps_Create(state, _commandListRoutesHelp, NULL,
+ _controlListRoutes_HelpExecute, commandOps_Destroy);
+}
+
+// ====================================================
+
+static CommandReturn _controlListRoutes_HelpExecute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args) {
+ printf("command: list routes\n");
+ printf("\n");
+ printf(
+ "This command will fetch the prefix routing table. For each route, it "
+ "will list:\n");
+ printf(" iface: interface\n");
+ printf(
+ " protocol: the routing protocol, such as STATIC, CONNECTED, etc.\n");
+ printf(
+ " type: LMP or EXACT (longest matching prefix or exact match)\n");
+ printf(" cost: The route cost, lower being preferred\n");
+ printf(" next: List of next hops by interface id\n");
+ printf(" prefix: name prefix\n");
+ printf("\n");
+ return CommandReturn_Success;
+}
+
+static CommandReturn _controlListRoutes_Execute(CommandParser *parser,
+ CommandOps *ops,
+ PARCList *args) {
+ if (parcList_Size(args) != 2) {
+ _controlListRoutes_HelpExecute(parser, ops, args);
+ return CommandReturn_Failure;
+ }
+
+ ControlState *state = ops->closure;
+
+ // send message and receive response
+ struct iovec *response = utils_SendRequest(state, LIST_ROUTES, 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;
+
+ // 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("%6.6s %8.8s %70.70s %s\n", "iface", "cost", "prefix", "len");
+ } else {
+ printf(" --- No entry in the list \n");
+ }
+
+ for (int i = 0; i < receivedHeader->length; i++) {
+ list_routes_command *listRoutesCommand =
+ (list_routes_command *)(receivedPayload +
+ (i * sizeof(list_routes_command)));
+
+ addrString = utils_CommandAddressToString(
+ listRoutesCommand->addressType, &listRoutesCommand->address, &port);
+
+ PARCBufferComposer *composer = parcBufferComposer_Create();
+
+ parcBufferComposer_Format(
+ composer, "%6u %8u %70.70s %3d", listRoutesCommand->connid,
+ listRoutesCommand->cost, addrString, listRoutesCommand->len);
+
+ 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 **)&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;
+}