1 files changed, 157 insertions, 0 deletions
diff --git a/hicn-light/src/config/controlAddRoute.c b/hicn-light/src/config/controlAddRoute.c
new file mode 100755
index 000000000..c5ddab523
--- /dev/null
+++ b/hicn-light/src/config/controlAddRoute.c
@@ -0,0 +1,157 @@
+/*
+ * 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 <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/controlAddRoute.h>
+
+#include <src/utils/commands.h>
+#include <src/utils/utils.h>
+
+static CommandReturn _controlAddRoute_Execute(CommandParser *parser,
+                                              CommandOps *ops, PARCList *args);
+static CommandReturn _controlAddRoute_HelpExecute(CommandParser *parser,
+                                                  CommandOps *ops,
+                                                  PARCList *args);
+
+static const char *_commandAddRoute = "add route";
+static const char *_commandAddRouteHelp = "help add route";
+
+CommandOps *controlAddRoute_Create(ControlState *state) {
+  return commandOps_Create(state, _commandAddRoute, NULL,
+                           _controlAddRoute_Execute, commandOps_Destroy);
+}
+
+CommandOps *controlAddRoute_HelpCreate(ControlState *state) {
+  return commandOps_Create(state, _commandAddRouteHelp, NULL,
+                           _controlAddRoute_HelpExecute, commandOps_Destroy);
+}
+
+// ====================================================
+
+static CommandReturn _controlAddRoute_HelpExecute(CommandParser *parser,
+                                                  CommandOps *ops,
+                                                  PARCList *args) {
+  printf("commands:\n");
+  printf("   add route <symbolic | connid> <prefix> <cost>\n");
+  printf("\n");
+  printf("   symbolic:  The symbolic name for an exgress\n");
+  printf(
+      "   connid:    The egress connection id (see 'help list connections')\n");
+  printf(
+      "   prefix:    The hicn name as IPv4 or IPv6 address (e.g 1234::0/64)\n");
+  printf("   cost:      positive integer representing cost\n");
+  printf("\n");
+  return CommandReturn_Success;
+}
+
+static CommandReturn _controlAddRoute_Execute(CommandParser *parser,
+                                              CommandOps *ops, PARCList *args) {
+  ControlState *state = ops->closure;
+
+  if (parcList_Size(args) != 5) {
+    _controlAddRoute_HelpExecute(parser, ops, args);
+    return CommandReturn_Failure;
+  }
+
+  const char *symbolicOrConnid = parcList_GetAtIndex(args, 2);
+
+  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;
+  }
+
+  unsigned cost = atoi(parcList_GetAtIndex(args, 4));
+
+  if (cost == 0) {
+    printf("ERROR: cost must be positive integer, got %u from '%s'\n", cost,
+           (char *)parcList_GetAtIndex(args, 4));
+    return CommandReturn_Failure;
+  }
+
+  const char *prefixStr = parcList_GetAtIndex(args, 3);
+  char addr[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';
+  }
+
+  if (len == 0) {
+    printf("ERROR: a prefix can not be of length 0\n");
+    return CommandReturn_Failure;
+  }
+
+  // allocate command payload
+  add_route_command *addRouteCommand =
+      parcMemory_AllocateAndClear(sizeof(add_route_command));
+
+  // check and set IP address
+  if (inet_pton(AF_INET, addr, &addRouteCommand->address.ipv4) == 1) {
+    if (len > 32) {
+      printf("ERROR: exceeded INET mask length, max=32\n");
+      parcMemory_Deallocate(&addRouteCommand);
+      return CommandReturn_Failure;
+    }
+    addRouteCommand->addressType = ADDR_INET;
+  } else if (inet_pton(AF_INET6, addr, &addRouteCommand->address.ipv6) == 1) {
+    if (len > 128) {
+      printf("ERROR: exceeded INET6 mask length, max=128\n");
+      parcMemory_Deallocate(&addRouteCommand);
+      return CommandReturn_Failure;
+    }
+    addRouteCommand->addressType = ADDR_INET6;
+  } else {
+    printf("Error: %s is not a valid network address \n", addr);
+    parcMemory_Deallocate(&addRouteCommand);
+    return CommandReturn_Failure;
+  }
+
+  // Fill remaining payload fields
+  addRouteCommand->len = len;
+  addRouteCommand->cost = (uint16_t)cost;
+  strcpy(addRouteCommand->symbolicOrConnid, symbolicOrConnid);
+
+  // send message and receive response
+  struct iovec *response = utils_SendRequest(state, ADD_ROUTE, addRouteCommand,
+                                             sizeof(add_route_command));
+
+  if (!response) {  // get NULL pointer
+    return CommandReturn_Failure;
+  }
+
+  parcMemory_Deallocate(&response);  // free iovec pointer
+  return CommandReturn_Success;
+}