diff options
author | Luca Muscariello <lumuscar+fdio@cisco.com> | 2019-03-23 14:13:53 +0100 |
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committer | Angelo Mantellini <manangel@cisco.com> | 2019-03-24 14:11:17 +0100 |
commit | eb323e056e747d71867cf965434811c1de925de2 (patch) | |
tree | 23a6096823d795efe448559cf0409a18ab47932d /hicn-light/src/hicn/config/controlRemoveRoute.c | |
parent | 43562f9f02d35e5d540ab4028a0326c0c7cd4898 (diff) |
[HICN-141] Definition of a C API for hicn-light
Change-Id: Id861f0abe58b1e3c9ba8cc76701da0f9c6801748
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>
Signed-off-by: Angelo Mantellini <manangel@cisco.com>
Diffstat (limited to 'hicn-light/src/hicn/config/controlRemoveRoute.c')
-rw-r--r-- | hicn-light/src/hicn/config/controlRemoveRoute.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/hicn-light/src/hicn/config/controlRemoveRoute.c b/hicn-light/src/hicn/config/controlRemoveRoute.c new file mode 100644 index 000000000..6bfe12674 --- /dev/null +++ b/hicn-light/src/hicn/config/controlRemoveRoute.c @@ -0,0 +1,152 @@ +/* + * 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/hicn/config.h> + +#include <ctype.h> +#include <parc/algol/parc_List.h> +#include <parc/algol/parc_Memory.h> +#include <parc/algol/parc_Network.h> +#include <parc/assert/parc_Assert.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> + +#include <hicn/utils/address.h> + +#include <hicn/config/controlRemoveRoute.h> + +#include <hicn/utils/commands.h> +#include <hicn/utils/utils.h> + +static CommandReturn _controlRemoveRoute_Execute(CommandParser *parser, + CommandOps *ops, + PARCList *args); +static CommandReturn _controlRemoveRoute_HelpExecute(CommandParser *parser, + CommandOps *ops, + PARCList *args); + +// =================================================== + +static const char *_commandRemoveRoute = "remove route"; +static const char *_commandRemoveRouteHelp = "help remove route"; + +// ==================================================== + +CommandOps *controlRemoveRoute_Create(ControlState *state) { + return commandOps_Create(state, _commandRemoveRoute, NULL, + _controlRemoveRoute_Execute, commandOps_Destroy); +} + +CommandOps *controlRemoveRoute_HelpCreate(ControlState *state) { + return commandOps_Create(state, _commandRemoveRouteHelp, NULL, + _controlRemoveRoute_HelpExecute, commandOps_Destroy); +} + +// ==================================================== + +static CommandReturn _controlRemoveRoute_HelpExecute(CommandParser *parser, + CommandOps *ops, + PARCList *args) { + printf("commands:\n"); + printf(" remove route <symbolic | connid> <prefix>\n"); + return CommandReturn_Success; +} + +static CommandReturn _controlRemoveRoute_Execute(CommandParser *parser, + CommandOps *ops, + PARCList *args) { + ControlState *state = ops->closure; + + if (parcList_Size(args) != 4) { + _controlRemoveRoute_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; + } + + const char *prefixStr = parcList_GetAtIndex(args, 3); + char *addr = (char *)malloc(sizeof(char) * (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"); + free(addr); + return CommandReturn_Failure; + } + + // allocate command payload + remove_route_command *removeRouteCommand = + parcMemory_AllocateAndClear(sizeof(remove_route_command)); + + // check and set IP address + if (inet_pton(AF_INET, addr, &removeRouteCommand->address.ipv4) == 1) { + if (len > 32) { + printf("ERROR: exceeded INET mask length, max=32\n"); + parcMemory_Deallocate(&removeRouteCommand); + free(addr); + return CommandReturn_Failure; + } + removeRouteCommand->addressType = ADDR_INET; + } else if (inet_pton(AF_INET6, addr, &removeRouteCommand->address.ipv6) == + 1) { + if (len > 128) { + printf("ERROR: exceeded INET6 mask length, max=128\n"); + parcMemory_Deallocate(&removeRouteCommand); + free(addr); + return CommandReturn_Failure; + } + removeRouteCommand->addressType = ADDR_INET6; + } else { + printf("Error: %s is not a valid network address \n", addr); + parcMemory_Deallocate(&removeRouteCommand); + free(addr); + return CommandReturn_Failure; + } + + free(addr); + // Fill remaining payload fields + removeRouteCommand->len = len; + strcpy(removeRouteCommand->symbolicOrConnid, symbolicOrConnid); + + // send message and receive response + struct iovec *response = utils_SendRequest( + state, REMOVE_ROUTE, removeRouteCommand, sizeof(remove_route_command)); + + if (!response) { // get NULL pointer + return CommandReturn_Failure; + } + + parcMemory_Deallocate(&response); // free iovec pointer + return CommandReturn_Success; +} |