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/controlListListeners.c | 141 +++++++++++++++++++++++++++ 1 file changed, 141 insertions(+) create mode 100755 hicn-light/src/config/controlListListeners.c (limited to 'hicn-light/src/config/controlListListeners.c') diff --git a/hicn-light/src/config/controlListListeners.c b/hicn-light/src/config/controlListListeners.c new file mode 100755 index 000000000..a149051e2 --- /dev/null +++ b/hicn-light/src/config/controlListListeners.c @@ -0,0 +1,141 @@ +/* + * 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 + +static CommandReturn _controlListListeners_Execute(CommandParser *parser, + CommandOps *ops, + PARCList *args); +static CommandReturn _controlListListeners_HelpExecute(CommandParser *parser, + CommandOps *ops, + PARCList *args); + +static const char *_commandListListeners = "list listeners"; +static const char *_commandListListenersHelp = "help list listeners"; +static const char *listenerType[5] = {"TCP", "UDP", "ETHER", "LOCAL", "HICN"}; + +// ==================================================== + +CommandOps *controlListListeners_Create(ControlState *state) { + return commandOps_Create(state, _commandListListeners, NULL, + _controlListListeners_Execute, commandOps_Destroy); +} + +CommandOps *controlListListeners_HelpCreate(ControlState *state) { + return commandOps_Create(state, _commandListListenersHelp, NULL, + _controlListListeners_HelpExecute, + commandOps_Destroy); +} + +// ==================================================== + +static CommandReturn _controlListListeners_HelpExecute(CommandParser *parser, + CommandOps *ops, + PARCList *args) { + printf("list listeners\n"); + printf("\n"); + + return CommandReturn_Success; +} + +static CommandReturn _controlListListeners_Execute(CommandParser *parser, + CommandOps *ops, + PARCList *args) { + if (parcList_Size(args) != 2) { + _controlListListeners_HelpExecute(parser, ops, args); + return CommandReturn_Failure; + } + + ControlState *state = ops->closure; + + // send message and receive response + struct iovec *response = utils_SendRequest(state, LIST_LISTENERS, 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; + if (receivedHeader->length > 0) { + printf("%6.6s %50.70s %s\n", "iface", "address", "type"); + } else { + printf(" --- No entry in the list \n"); + } + + for (int i = 0; i < receivedHeader->length; i++) { + list_listeners_command *listListenersCommand = + (list_listeners_command *)(receivedPayload + + (i * sizeof(list_listeners_command))); + + addrString = utils_CommandAddressToString(listListenersCommand->addressType, + &listListenersCommand->address, + &listListenersCommand->port); + + PARCBufferComposer *composer = parcBufferComposer_Create(); + + parcBufferComposer_Format(composer, "%6u %50.70s %3s", + listListenersCommand->connid, addrString, + listenerType[listListenersCommand->encapType]); + + 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; +} -- cgit 1.2.3-korg