From bac3da61644515f05663789b122554dc77549286 Mon Sep 17 00:00:00 2001 From: Luca Muscariello Date: Thu, 17 Jan 2019 13:47:57 +0100 Subject: This is the first commit of the hicn project Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f Signed-off-by: Luca Muscariello --- hicn-light/src/config/controlAddRoute.c | 157 ++++++++++++++++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100755 hicn-light/src/config/controlAddRoute.c (limited to 'hicn-light/src/config/controlAddRoute.c') 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 + +#include +#include +#include +#include +#include +#include + +#include + +#include +#include + +#include + +#include +#include + +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 \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; +} -- cgit 1.2.3-korg