Azure IoT / azure_c_shared_utility

Azure IoT common library

Dependents:   STM32F746_iothub_client_sample_mqtt f767zi_mqtt iothub_client_sample_amqp iothub_client_sample_http ... more

socketio_mbed.c@45:1119d0f2c4d8, 2018-06-11 (annotated)

Committer:
AzureIoTClient
Date:
Mon Jun 11 15:41:10 2018 -0700
Revision:
45:1119d0f2c4d8
Parent:
21:b92006c5b9ff
Child:
48:81866008bba4
1.2.5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Azure.IoT Build 0:fa2de1b79154 1 // Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build 0:fa2de1b79154 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build 0:fa2de1b79154 3
Azure.IoT Build 0:fa2de1b79154 4 #include <stdlib.h>
Azure.IoT Build 0:fa2de1b79154 5 #include <stddef.h>
Azure.IoT Build 0:fa2de1b79154 6 #include <stdio.h>
Azure.IoT Build 0:fa2de1b79154 7 #include <string.h>
Azure.IoT Build 0:fa2de1b79154 8 #include "azure_c_shared_utility/socketio.h"
AzureIoTClient 13:920e00014ee3 9 #include "azure_c_shared_utility/singlylinkedlist.h"
Azure.IoT Build 0:fa2de1b79154 10 #include "azure_c_shared_utility/tcpsocketconnection_c.h"
AzureIoTClient 21:b92006c5b9ff 11 #include "azure_c_shared_utility/optimize_size.h"
Azure.IoT Build 6:c55b013dfc2a 12 #include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build 0:fa2de1b79154 13
Azure.IoT Build 0:fa2de1b79154 14 #define UNABLE_TO_COMPLETE -2
AzureIoTClient 1:9190c0f4d23a 15 #define MBED_RECEIVE_BYTES_VALUE 128
Azure.IoT Build 0:fa2de1b79154 16
Azure.IoT Build 0:fa2de1b79154 17 typedef enum IO_STATE_TAG
Azure.IoT Build 0:fa2de1b79154 18 {
Azure.IoT Build 0:fa2de1b79154 19 IO_STATE_CLOSED,
Azure.IoT Build 0:fa2de1b79154 20 IO_STATE_OPENING,
Azure.IoT Build 0:fa2de1b79154 21 IO_STATE_OPEN,
Azure.IoT Build 0:fa2de1b79154 22 IO_STATE_CLOSING,
Azure.IoT Build 0:fa2de1b79154 23 IO_STATE_ERROR
Azure.IoT Build 0:fa2de1b79154 24 } IO_STATE;
Azure.IoT Build 0:fa2de1b79154 25
Azure.IoT Build 0:fa2de1b79154 26 typedef struct PENDING_SOCKET_IO_TAG
Azure.IoT Build 0:fa2de1b79154 27 {
Azure.IoT Build 0:fa2de1b79154 28 unsigned char* bytes;
Azure.IoT Build 0:fa2de1b79154 29 size_t size;
Azure.IoT Build 0:fa2de1b79154 30 ON_SEND_COMPLETE on_send_complete;
Azure.IoT Build 0:fa2de1b79154 31 void* callback_context;
AzureIoTClient 13:920e00014ee3 32 SINGLYLINKEDLIST_HANDLE pending_io_list;
Azure.IoT Build 0:fa2de1b79154 33 } PENDING_SOCKET_IO;
Azure.IoT Build 0:fa2de1b79154 34
Azure.IoT Build 0:fa2de1b79154 35 typedef struct SOCKET_IO_INSTANCE_TAG
Azure.IoT Build 0:fa2de1b79154 36 {
Azure.IoT Build 0:fa2de1b79154 37 TCPSOCKETCONNECTION_HANDLE tcp_socket_connection;
Azure.IoT Build 0:fa2de1b79154 38 ON_BYTES_RECEIVED on_bytes_received;
Azure.IoT Build 0:fa2de1b79154 39 ON_IO_ERROR on_io_error;
Azure.IoT Build 0:fa2de1b79154 40 void* on_bytes_received_context;
Azure.IoT Build 0:fa2de1b79154 41 void* on_io_error_context;
Azure.IoT Build 0:fa2de1b79154 42 char* hostname;
Azure.IoT Build 0:fa2de1b79154 43 int port;
Azure.IoT Build 0:fa2de1b79154 44 IO_STATE io_state;
AzureIoTClient 13:920e00014ee3 45 SINGLYLINKEDLIST_HANDLE pending_io_list;
Azure.IoT Build 0:fa2de1b79154 46 } SOCKET_IO_INSTANCE;
Azure.IoT Build 0:fa2de1b79154 47
AzureIoTClient 10:1be0bc9a9deb 48 /*this function will clone an option given by name and value*/
AzureIoTClient 10:1be0bc9a9deb 49 static void* socketio_CloneOption(const char* name, const void* value)
AzureIoTClient 10:1be0bc9a9deb 50 {
AzureIoTClient 45:1119d0f2c4d8 51 (void)name;
AzureIoTClient 45:1119d0f2c4d8 52 (void)value;
AzureIoTClient 10:1be0bc9a9deb 53 return NULL;
AzureIoTClient 10:1be0bc9a9deb 54 }
AzureIoTClient 10:1be0bc9a9deb 55
AzureIoTClient 10:1be0bc9a9deb 56 /*this function destroys an option previously created*/
AzureIoTClient 10:1be0bc9a9deb 57 static void socketio_DestroyOption(const char* name, const void* value)
AzureIoTClient 10:1be0bc9a9deb 58 {
AzureIoTClient 45:1119d0f2c4d8 59 (void)name;
AzureIoTClient 45:1119d0f2c4d8 60 (void)value;
AzureIoTClient 10:1be0bc9a9deb 61 }
AzureIoTClient 10:1be0bc9a9deb 62
AzureIoTClient 10:1be0bc9a9deb 63 static OPTIONHANDLER_HANDLE socketio_retrieveoptions(CONCRETE_IO_HANDLE socket_io)
AzureIoTClient 10:1be0bc9a9deb 64 {
AzureIoTClient 10:1be0bc9a9deb 65 OPTIONHANDLER_HANDLE result;
AzureIoTClient 10:1be0bc9a9deb 66 (void)socket_io;
AzureIoTClient 10:1be0bc9a9deb 67 result = OptionHandler_Create(socketio_CloneOption, socketio_DestroyOption, socketio_setoption);
AzureIoTClient 10:1be0bc9a9deb 68 if (result == NULL)
AzureIoTClient 10:1be0bc9a9deb 69 {
AzureIoTClient 10:1be0bc9a9deb 70 /*return as is*/
AzureIoTClient 10:1be0bc9a9deb 71 }
AzureIoTClient 10:1be0bc9a9deb 72 else
AzureIoTClient 10:1be0bc9a9deb 73 {
AzureIoTClient 10:1be0bc9a9deb 74 /*insert here work to add the options to "result" handle*/
AzureIoTClient 10:1be0bc9a9deb 75 }
AzureIoTClient 10:1be0bc9a9deb 76 return result;
AzureIoTClient 10:1be0bc9a9deb 77 }
AzureIoTClient 10:1be0bc9a9deb 78
Azure.IoT Build 0:fa2de1b79154 79 static const IO_INTERFACE_DESCRIPTION socket_io_interface_description =
Azure.IoT Build 0:fa2de1b79154 80 {
AzureIoTClient 10:1be0bc9a9deb 81 socketio_retrieveoptions,
Azure.IoT Build 0:fa2de1b79154 82 socketio_create,
Azure.IoT Build 0:fa2de1b79154 83 socketio_destroy,
Azure.IoT Build 0:fa2de1b79154 84 socketio_open,
Azure.IoT Build 0:fa2de1b79154 85 socketio_close,
Azure.IoT Build 0:fa2de1b79154 86 socketio_send,
Azure.IoT Build 0:fa2de1b79154 87 socketio_dowork,
Azure.IoT Build 0:fa2de1b79154 88 socketio_setoption
Azure.IoT Build 0:fa2de1b79154 89 };
Azure.IoT Build 0:fa2de1b79154 90
Azure.IoT Build 0:fa2de1b79154 91 static void indicate_error(SOCKET_IO_INSTANCE* socket_io_instance)
Azure.IoT Build 0:fa2de1b79154 92 {
Azure.IoT Build 0:fa2de1b79154 93 if (socket_io_instance->on_io_error != NULL)
Azure.IoT Build 0:fa2de1b79154 94 {
Azure.IoT Build 0:fa2de1b79154 95 socket_io_instance->on_io_error(socket_io_instance->on_io_error_context);
Azure.IoT Build 0:fa2de1b79154 96 }
Azure.IoT Build 0:fa2de1b79154 97 }
Azure.IoT Build 0:fa2de1b79154 98
Azure.IoT Build 0:fa2de1b79154 99 static int add_pending_io(SOCKET_IO_INSTANCE* socket_io_instance, const unsigned char* buffer, size_t size, ON_SEND_COMPLETE on_send_complete, void* callback_context)
Azure.IoT Build 0:fa2de1b79154 100 {
Azure.IoT Build 0:fa2de1b79154 101 int result;
Azure.IoT Build 0:fa2de1b79154 102 PENDING_SOCKET_IO* pending_socket_io = (PENDING_SOCKET_IO*)malloc(sizeof(PENDING_SOCKET_IO));
Azure.IoT Build 0:fa2de1b79154 103 if (pending_socket_io == NULL)
Azure.IoT Build 0:fa2de1b79154 104 {
AzureIoTClient 21:b92006c5b9ff 105 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 106 }
Azure.IoT Build 0:fa2de1b79154 107 else
Azure.IoT Build 0:fa2de1b79154 108 {
Azure.IoT Build 0:fa2de1b79154 109 pending_socket_io->bytes = (unsigned char*)malloc(size);
Azure.IoT Build 0:fa2de1b79154 110 if (pending_socket_io->bytes == NULL)
Azure.IoT Build 0:fa2de1b79154 111 {
Azure.IoT Build 0:fa2de1b79154 112 free(pending_socket_io);
AzureIoTClient 21:b92006c5b9ff 113 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 114 }
Azure.IoT Build 0:fa2de1b79154 115 else
Azure.IoT Build 0:fa2de1b79154 116 {
Azure.IoT Build 0:fa2de1b79154 117 pending_socket_io->size = size;
Azure.IoT Build 0:fa2de1b79154 118 pending_socket_io->on_send_complete = on_send_complete;
Azure.IoT Build 0:fa2de1b79154 119 pending_socket_io->callback_context = callback_context;
Azure.IoT Build 0:fa2de1b79154 120 pending_socket_io->pending_io_list = socket_io_instance->pending_io_list;
Azure.IoT Build 0:fa2de1b79154 121 (void)memcpy(pending_socket_io->bytes, buffer, size);
Azure.IoT Build 0:fa2de1b79154 122
AzureIoTClient 13:920e00014ee3 123 if (singlylinkedlist_add(socket_io_instance->pending_io_list, pending_socket_io) == NULL)
Azure.IoT Build 0:fa2de1b79154 124 {
Azure.IoT Build 0:fa2de1b79154 125 free(pending_socket_io->bytes);
Azure.IoT Build 0:fa2de1b79154 126 free(pending_socket_io);
AzureIoTClient 21:b92006c5b9ff 127 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 128 }
Azure.IoT Build 0:fa2de1b79154 129 else
Azure.IoT Build 0:fa2de1b79154 130 {
Azure.IoT Build 0:fa2de1b79154 131 result = 0;
Azure.IoT Build 0:fa2de1b79154 132 }
Azure.IoT Build 0:fa2de1b79154 133 }
Azure.IoT Build 0:fa2de1b79154 134 }
Azure.IoT Build 0:fa2de1b79154 135
Azure.IoT Build 0:fa2de1b79154 136 return result;
Azure.IoT Build 0:fa2de1b79154 137 }
Azure.IoT Build 0:fa2de1b79154 138
Azure.IoT Build 6:c55b013dfc2a 139 CONCRETE_IO_HANDLE socketio_create(void* io_create_parameters)
Azure.IoT Build 0:fa2de1b79154 140 {
Azure.IoT Build 0:fa2de1b79154 141 SOCKETIO_CONFIG* socket_io_config = io_create_parameters;
Azure.IoT Build 0:fa2de1b79154 142 SOCKET_IO_INSTANCE* result;
Azure.IoT Build 0:fa2de1b79154 143
Azure.IoT Build 0:fa2de1b79154 144 if (socket_io_config == NULL)
Azure.IoT Build 0:fa2de1b79154 145 {
Azure.IoT Build 0:fa2de1b79154 146 result = NULL;
Azure.IoT Build 0:fa2de1b79154 147 }
Azure.IoT Build 0:fa2de1b79154 148 else
Azure.IoT Build 0:fa2de1b79154 149 {
Azure.IoT Build 0:fa2de1b79154 150 result = malloc(sizeof(SOCKET_IO_INSTANCE));
Azure.IoT Build 0:fa2de1b79154 151 if (result != NULL)
Azure.IoT Build 0:fa2de1b79154 152 {
AzureIoTClient 13:920e00014ee3 153 result->pending_io_list = singlylinkedlist_create();
Azure.IoT Build 0:fa2de1b79154 154 if (result->pending_io_list == NULL)
Azure.IoT Build 0:fa2de1b79154 155 {
Azure.IoT Build 0:fa2de1b79154 156 free(result);
Azure.IoT Build 0:fa2de1b79154 157 result = NULL;
Azure.IoT Build 0:fa2de1b79154 158 }
Azure.IoT Build 0:fa2de1b79154 159 else
Azure.IoT Build 0:fa2de1b79154 160 {
Azure.IoT Build 0:fa2de1b79154 161 result->hostname = (char*)malloc(strlen(socket_io_config->hostname) + 1);
Azure.IoT Build 0:fa2de1b79154 162 if (result->hostname == NULL)
Azure.IoT Build 0:fa2de1b79154 163 {
AzureIoTClient 13:920e00014ee3 164 singlylinkedlist_destroy(result->pending_io_list);
Azure.IoT Build 0:fa2de1b79154 165 free(result);
Azure.IoT Build 0:fa2de1b79154 166 result = NULL;
Azure.IoT Build 0:fa2de1b79154 167 }
Azure.IoT Build 0:fa2de1b79154 168 else
Azure.IoT Build 0:fa2de1b79154 169 {
Azure.IoT Build 0:fa2de1b79154 170 strcpy(result->hostname, socket_io_config->hostname);
Azure.IoT Build 0:fa2de1b79154 171 result->port = socket_io_config->port;
Azure.IoT Build 0:fa2de1b79154 172 result->on_bytes_received = NULL;
Azure.IoT Build 0:fa2de1b79154 173 result->on_io_error = NULL;
Azure.IoT Build 0:fa2de1b79154 174 result->on_bytes_received_context = NULL;
Azure.IoT Build 0:fa2de1b79154 175 result->on_io_error_context = NULL;
Azure.IoT Build 0:fa2de1b79154 176 result->io_state = IO_STATE_CLOSED;
Azure.IoT Build 0:fa2de1b79154 177 result->tcp_socket_connection = NULL;
Azure.IoT Build 0:fa2de1b79154 178 }
Azure.IoT Build 0:fa2de1b79154 179 }
Azure.IoT Build 0:fa2de1b79154 180 }
Azure.IoT Build 0:fa2de1b79154 181 }
Azure.IoT Build 0:fa2de1b79154 182
Azure.IoT Build 0:fa2de1b79154 183 return result;
Azure.IoT Build 0:fa2de1b79154 184 }
Azure.IoT Build 0:fa2de1b79154 185
Azure.IoT Build 0:fa2de1b79154 186 void socketio_destroy(CONCRETE_IO_HANDLE socket_io)
Azure.IoT Build 0:fa2de1b79154 187 {
Azure.IoT Build 0:fa2de1b79154 188 if (socket_io != NULL)
Azure.IoT Build 0:fa2de1b79154 189 {
Azure.IoT Build 0:fa2de1b79154 190 SOCKET_IO_INSTANCE* socket_io_instance = (SOCKET_IO_INSTANCE*)socket_io;
Azure.IoT Build 0:fa2de1b79154 191
Azure.IoT Build 0:fa2de1b79154 192 tcpsocketconnection_destroy(socket_io_instance->tcp_socket_connection);
Azure.IoT Build 0:fa2de1b79154 193
Azure.IoT Build 0:fa2de1b79154 194 /* clear all pending IOs */
AzureIoTClient 13:920e00014ee3 195 LIST_ITEM_HANDLE first_pending_io = singlylinkedlist_get_head_item(socket_io_instance->pending_io_list);
Azure.IoT Build 0:fa2de1b79154 196 while (first_pending_io != NULL)
Azure.IoT Build 0:fa2de1b79154 197 {
AzureIoTClient 13:920e00014ee3 198 PENDING_SOCKET_IO* pending_socket_io = (PENDING_SOCKET_IO*)singlylinkedlist_item_get_value(first_pending_io);
Azure.IoT Build 0:fa2de1b79154 199 if (pending_socket_io != NULL)
Azure.IoT Build 0:fa2de1b79154 200 {
Azure.IoT Build 0:fa2de1b79154 201 free(pending_socket_io->bytes);
Azure.IoT Build 0:fa2de1b79154 202 free(pending_socket_io);
Azure.IoT Build 0:fa2de1b79154 203 }
Azure.IoT Build 0:fa2de1b79154 204
AzureIoTClient 13:920e00014ee3 205 (void)singlylinkedlist_remove(socket_io_instance->pending_io_list, first_pending_io);
AzureIoTClient 13:920e00014ee3 206 first_pending_io = singlylinkedlist_get_head_item(socket_io_instance->pending_io_list);
Azure.IoT Build 0:fa2de1b79154 207 }
Azure.IoT Build 0:fa2de1b79154 208
AzureIoTClient 13:920e00014ee3 209 singlylinkedlist_destroy(socket_io_instance->pending_io_list);
Azure.IoT Build 0:fa2de1b79154 210 free(socket_io_instance->hostname);
Azure.IoT Build 0:fa2de1b79154 211 free(socket_io);
Azure.IoT Build 0:fa2de1b79154 212 }
Azure.IoT Build 0:fa2de1b79154 213 }
Azure.IoT Build 0:fa2de1b79154 214
Azure.IoT Build 0:fa2de1b79154 215 int socketio_open(CONCRETE_IO_HANDLE socket_io, ON_IO_OPEN_COMPLETE on_io_open_complete, void* on_io_open_complete_context, ON_BYTES_RECEIVED on_bytes_received, void* on_bytes_received_context, ON_IO_ERROR on_io_error, void* on_io_error_context)
Azure.IoT Build 0:fa2de1b79154 216 {
Azure.IoT Build 0:fa2de1b79154 217 int result;
Azure.IoT Build 0:fa2de1b79154 218
Azure.IoT Build 0:fa2de1b79154 219 SOCKET_IO_INSTANCE* socket_io_instance = (SOCKET_IO_INSTANCE*)socket_io;
Azure.IoT Build 0:fa2de1b79154 220 if (socket_io == NULL)
Azure.IoT Build 0:fa2de1b79154 221 {
AzureIoTClient 21:b92006c5b9ff 222 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 223 }
Azure.IoT Build 0:fa2de1b79154 224 else
Azure.IoT Build 0:fa2de1b79154 225 {
Azure.IoT Build 0:fa2de1b79154 226 socket_io_instance->tcp_socket_connection = tcpsocketconnection_create();
Azure.IoT Build 0:fa2de1b79154 227 if (socket_io_instance->tcp_socket_connection == NULL)
Azure.IoT Build 0:fa2de1b79154 228 {
AzureIoTClient 21:b92006c5b9ff 229 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 230 }
Azure.IoT Build 0:fa2de1b79154 231 else
Azure.IoT Build 0:fa2de1b79154 232 {
Azure.IoT Build 0:fa2de1b79154 233 if (tcpsocketconnection_connect(socket_io_instance->tcp_socket_connection, socket_io_instance->hostname, socket_io_instance->port) != 0)
Azure.IoT Build 0:fa2de1b79154 234 {
Azure.IoT Build 0:fa2de1b79154 235 tcpsocketconnection_destroy(socket_io_instance->tcp_socket_connection);
Azure.IoT Build 0:fa2de1b79154 236 socket_io_instance->tcp_socket_connection = NULL;
AzureIoTClient 21:b92006c5b9ff 237 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 238 }
Azure.IoT Build 0:fa2de1b79154 239 else
Azure.IoT Build 0:fa2de1b79154 240 {
Azure.IoT Build 0:fa2de1b79154 241 tcpsocketconnection_set_blocking(socket_io_instance->tcp_socket_connection, false, 0);
Azure.IoT Build 0:fa2de1b79154 242
Azure.IoT Build 0:fa2de1b79154 243 socket_io_instance->on_bytes_received = on_bytes_received;
Azure.IoT Build 0:fa2de1b79154 244 socket_io_instance->on_bytes_received_context = on_bytes_received_context;
Azure.IoT Build 0:fa2de1b79154 245
Azure.IoT Build 0:fa2de1b79154 246 socket_io_instance->on_io_error = on_io_error;
Azure.IoT Build 0:fa2de1b79154 247 socket_io_instance->on_io_error_context = on_io_error_context;
Azure.IoT Build 0:fa2de1b79154 248
Azure.IoT Build 0:fa2de1b79154 249 socket_io_instance->io_state = IO_STATE_OPEN;
Azure.IoT Build 0:fa2de1b79154 250
Azure.IoT Build 0:fa2de1b79154 251 result = 0;
Azure.IoT Build 0:fa2de1b79154 252 }
Azure.IoT Build 0:fa2de1b79154 253 }
Azure.IoT Build 0:fa2de1b79154 254 }
AzureIoTClient 19:2e0811512ceb 255
AzureIoTClient 19:2e0811512ceb 256 if (on_io_open_complete != NULL)
AzureIoTClient 19:2e0811512ceb 257 {
AzureIoTClient 19:2e0811512ceb 258 on_io_open_complete(on_io_open_complete_context, result == 0 ? IO_OPEN_OK : IO_OPEN_ERROR);
AzureIoTClient 19:2e0811512ceb 259 }
Azure.IoT Build 0:fa2de1b79154 260
Azure.IoT Build 0:fa2de1b79154 261 return result;
Azure.IoT Build 0:fa2de1b79154 262 }
Azure.IoT Build 0:fa2de1b79154 263
Azure.IoT Build 0:fa2de1b79154 264 int socketio_close(CONCRETE_IO_HANDLE socket_io, ON_IO_CLOSE_COMPLETE on_io_close_complete, void* callback_context)
Azure.IoT Build 0:fa2de1b79154 265 {
Azure.IoT Build 0:fa2de1b79154 266 int result = 0;
Azure.IoT Build 0:fa2de1b79154 267
Azure.IoT Build 0:fa2de1b79154 268 if (socket_io == NULL)
Azure.IoT Build 0:fa2de1b79154 269 {
AzureIoTClient 21:b92006c5b9ff 270 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 271 }
Azure.IoT Build 0:fa2de1b79154 272 else
Azure.IoT Build 0:fa2de1b79154 273 {
Azure.IoT Build 0:fa2de1b79154 274 SOCKET_IO_INSTANCE* socket_io_instance = (SOCKET_IO_INSTANCE*)socket_io;
Azure.IoT Build 0:fa2de1b79154 275
Azure.IoT Build 0:fa2de1b79154 276 if ((socket_io_instance->io_state == IO_STATE_CLOSED) ||
Azure.IoT Build 0:fa2de1b79154 277 (socket_io_instance->io_state == IO_STATE_CLOSING))
Azure.IoT Build 0:fa2de1b79154 278 {
AzureIoTClient 21:b92006c5b9ff 279 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 280 }
Azure.IoT Build 0:fa2de1b79154 281 else
Azure.IoT Build 0:fa2de1b79154 282 {
Azure.IoT Build 0:fa2de1b79154 283 tcpsocketconnection_close(socket_io_instance->tcp_socket_connection);
Azure.IoT Build 0:fa2de1b79154 284 socket_io_instance->tcp_socket_connection = NULL;
Azure.IoT Build 0:fa2de1b79154 285 socket_io_instance->io_state = IO_STATE_CLOSED;
Azure.IoT Build 0:fa2de1b79154 286
Azure.IoT Build 0:fa2de1b79154 287 if (on_io_close_complete != NULL)
Azure.IoT Build 0:fa2de1b79154 288 {
Azure.IoT Build 0:fa2de1b79154 289 on_io_close_complete(callback_context);
Azure.IoT Build 0:fa2de1b79154 290 }
Azure.IoT Build 0:fa2de1b79154 291
Azure.IoT Build 0:fa2de1b79154 292 result = 0;
Azure.IoT Build 0:fa2de1b79154 293 }
Azure.IoT Build 0:fa2de1b79154 294 }
Azure.IoT Build 0:fa2de1b79154 295
Azure.IoT Build 0:fa2de1b79154 296 return result;
Azure.IoT Build 0:fa2de1b79154 297 }
Azure.IoT Build 0:fa2de1b79154 298
Azure.IoT Build 0:fa2de1b79154 299 int socketio_send(CONCRETE_IO_HANDLE socket_io, const void* buffer, size_t size, ON_SEND_COMPLETE on_send_complete, void* callback_context)
Azure.IoT Build 0:fa2de1b79154 300 {
Azure.IoT Build 0:fa2de1b79154 301 int result;
Azure.IoT Build 0:fa2de1b79154 302
Azure.IoT Build 0:fa2de1b79154 303 if ((socket_io == NULL) ||
Azure.IoT Build 0:fa2de1b79154 304 (buffer == NULL) ||
Azure.IoT Build 0:fa2de1b79154 305 (size == 0))
Azure.IoT Build 0:fa2de1b79154 306 {
Azure.IoT Build 0:fa2de1b79154 307 /* Invalid arguments */
AzureIoTClient 21:b92006c5b9ff 308 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 309 }
Azure.IoT Build 0:fa2de1b79154 310 else
Azure.IoT Build 0:fa2de1b79154 311 {
Azure.IoT Build 0:fa2de1b79154 312 SOCKET_IO_INSTANCE* socket_io_instance = (SOCKET_IO_INSTANCE*)socket_io;
Azure.IoT Build 0:fa2de1b79154 313 if (socket_io_instance->io_state != IO_STATE_OPEN)
Azure.IoT Build 0:fa2de1b79154 314 {
AzureIoTClient 21:b92006c5b9ff 315 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 316 }
Azure.IoT Build 0:fa2de1b79154 317 else
Azure.IoT Build 0:fa2de1b79154 318 {
AzureIoTClient 13:920e00014ee3 319 LIST_ITEM_HANDLE first_pending_io = singlylinkedlist_get_head_item(socket_io_instance->pending_io_list);
Azure.IoT Build 0:fa2de1b79154 320 if (first_pending_io != NULL)
Azure.IoT Build 0:fa2de1b79154 321 {
Azure.IoT Build 0:fa2de1b79154 322 if (add_pending_io(socket_io_instance, buffer, size, on_send_complete, callback_context) != 0)
Azure.IoT Build 0:fa2de1b79154 323 {
AzureIoTClient 21:b92006c5b9ff 324 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 325 }
Azure.IoT Build 0:fa2de1b79154 326 else
Azure.IoT Build 0:fa2de1b79154 327 {
Azure.IoT Build 0:fa2de1b79154 328 result = 0;
Azure.IoT Build 0:fa2de1b79154 329 }
Azure.IoT Build 0:fa2de1b79154 330 }
Azure.IoT Build 0:fa2de1b79154 331 else
Azure.IoT Build 0:fa2de1b79154 332 {
Azure.IoT Build 0:fa2de1b79154 333 int send_result = tcpsocketconnection_send(socket_io_instance->tcp_socket_connection, buffer, size);
Azure.IoT Build 0:fa2de1b79154 334 if (send_result != size)
Azure.IoT Build 0:fa2de1b79154 335 {
Azure.IoT Build 0:fa2de1b79154 336 if (send_result < 0)
Azure.IoT Build 0:fa2de1b79154 337 {
Azure.IoT Build 0:fa2de1b79154 338 send_result = 0;
Azure.IoT Build 0:fa2de1b79154 339 }
Azure.IoT Build 0:fa2de1b79154 340
Azure.IoT Build 0:fa2de1b79154 341 /* queue data */
Azure.IoT Build 0:fa2de1b79154 342 if (add_pending_io(socket_io_instance, (unsigned char*)buffer + send_result, size - send_result, on_send_complete, callback_context) != 0)
Azure.IoT Build 0:fa2de1b79154 343 {
AzureIoTClient 21:b92006c5b9ff 344 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 345 }
Azure.IoT Build 0:fa2de1b79154 346 else
Azure.IoT Build 0:fa2de1b79154 347 {
Azure.IoT Build 0:fa2de1b79154 348 result = 0;
Azure.IoT Build 0:fa2de1b79154 349 }
Azure.IoT Build 0:fa2de1b79154 350 }
Azure.IoT Build 0:fa2de1b79154 351 else
Azure.IoT Build 0:fa2de1b79154 352 {
Azure.IoT Build 0:fa2de1b79154 353 if (on_send_complete != NULL)
Azure.IoT Build 0:fa2de1b79154 354 {
Azure.IoT Build 0:fa2de1b79154 355 on_send_complete(callback_context, IO_SEND_OK);
Azure.IoT Build 0:fa2de1b79154 356 }
Azure.IoT Build 0:fa2de1b79154 357
Azure.IoT Build 0:fa2de1b79154 358 result = 0;
Azure.IoT Build 0:fa2de1b79154 359 }
Azure.IoT Build 0:fa2de1b79154 360 }
Azure.IoT Build 0:fa2de1b79154 361 }
Azure.IoT Build 0:fa2de1b79154 362 }
Azure.IoT Build 0:fa2de1b79154 363
Azure.IoT Build 0:fa2de1b79154 364 return result;
Azure.IoT Build 0:fa2de1b79154 365 }
Azure.IoT Build 0:fa2de1b79154 366
Azure.IoT Build 0:fa2de1b79154 367 void socketio_dowork(CONCRETE_IO_HANDLE socket_io)
Azure.IoT Build 0:fa2de1b79154 368 {
Azure.IoT Build 0:fa2de1b79154 369 if (socket_io != NULL)
Azure.IoT Build 0:fa2de1b79154 370 {
Azure.IoT Build 0:fa2de1b79154 371 SOCKET_IO_INSTANCE* socket_io_instance = (SOCKET_IO_INSTANCE*)socket_io;
Azure.IoT Build 0:fa2de1b79154 372 if (socket_io_instance->io_state == IO_STATE_OPEN)
Azure.IoT Build 0:fa2de1b79154 373 {
Azure.IoT Build 0:fa2de1b79154 374 int received = 1;
Azure.IoT Build 0:fa2de1b79154 375
AzureIoTClient 13:920e00014ee3 376 LIST_ITEM_HANDLE first_pending_io = singlylinkedlist_get_head_item(socket_io_instance->pending_io_list);
Azure.IoT Build 0:fa2de1b79154 377 while (first_pending_io != NULL)
Azure.IoT Build 0:fa2de1b79154 378 {
AzureIoTClient 13:920e00014ee3 379 PENDING_SOCKET_IO* pending_socket_io = (PENDING_SOCKET_IO*)singlylinkedlist_item_get_value(first_pending_io);
Azure.IoT Build 0:fa2de1b79154 380 if (pending_socket_io == NULL)
Azure.IoT Build 0:fa2de1b79154 381 {
Azure.IoT Build 0:fa2de1b79154 382 socket_io_instance->io_state = IO_STATE_ERROR;
Azure.IoT Build 0:fa2de1b79154 383 indicate_error(socket_io_instance);
Azure.IoT Build 0:fa2de1b79154 384 break;
Azure.IoT Build 0:fa2de1b79154 385 }
Azure.IoT Build 0:fa2de1b79154 386
Azure.IoT Build 0:fa2de1b79154 387 int send_result = tcpsocketconnection_send(socket_io_instance->tcp_socket_connection, (const char*)pending_socket_io->bytes, pending_socket_io->size);
Azure.IoT Build 0:fa2de1b79154 388 if (send_result != pending_socket_io->size)
Azure.IoT Build 0:fa2de1b79154 389 {
Azure.IoT Build 0:fa2de1b79154 390 if (send_result < 0)
Azure.IoT Build 0:fa2de1b79154 391 {
Azure.IoT Build 0:fa2de1b79154 392 if (send_result < UNABLE_TO_COMPLETE)
Azure.IoT Build 0:fa2de1b79154 393 {
Azure.IoT Build 0:fa2de1b79154 394 // Bad error. Indicate as much.
Azure.IoT Build 0:fa2de1b79154 395 socket_io_instance->io_state = IO_STATE_ERROR;
Azure.IoT Build 0:fa2de1b79154 396 indicate_error(socket_io_instance);
Azure.IoT Build 0:fa2de1b79154 397 }
Azure.IoT Build 0:fa2de1b79154 398 break;
Azure.IoT Build 0:fa2de1b79154 399 }
Azure.IoT Build 0:fa2de1b79154 400 else
Azure.IoT Build 0:fa2de1b79154 401 {
Azure.IoT Build 0:fa2de1b79154 402 /* send something, wait for the rest */
Azure.IoT Build 0:fa2de1b79154 403 (void)memmove(pending_socket_io->bytes, pending_socket_io->bytes + send_result, pending_socket_io->size - send_result);
Azure.IoT Build 0:fa2de1b79154 404 }
Azure.IoT Build 0:fa2de1b79154 405 }
Azure.IoT Build 0:fa2de1b79154 406 else
Azure.IoT Build 0:fa2de1b79154 407 {
Azure.IoT Build 0:fa2de1b79154 408 if (pending_socket_io->on_send_complete != NULL)
Azure.IoT Build 0:fa2de1b79154 409 {
Azure.IoT Build 0:fa2de1b79154 410 pending_socket_io->on_send_complete(pending_socket_io->callback_context, IO_SEND_OK);
Azure.IoT Build 0:fa2de1b79154 411 }
Azure.IoT Build 0:fa2de1b79154 412
Azure.IoT Build 0:fa2de1b79154 413 free(pending_socket_io->bytes);
Azure.IoT Build 0:fa2de1b79154 414 free(pending_socket_io);
AzureIoTClient 13:920e00014ee3 415 if (singlylinkedlist_remove(socket_io_instance->pending_io_list, first_pending_io) != 0)
Azure.IoT Build 0:fa2de1b79154 416 {
Azure.IoT Build 0:fa2de1b79154 417 socket_io_instance->io_state = IO_STATE_ERROR;
Azure.IoT Build 0:fa2de1b79154 418 indicate_error(socket_io_instance);
Azure.IoT Build 0:fa2de1b79154 419 }
Azure.IoT Build 0:fa2de1b79154 420 }
Azure.IoT Build 0:fa2de1b79154 421
AzureIoTClient 13:920e00014ee3 422 first_pending_io = singlylinkedlist_get_head_item(socket_io_instance->pending_io_list);
Azure.IoT Build 0:fa2de1b79154 423 }
Azure.IoT Build 0:fa2de1b79154 424
Azure.IoT Build 0:fa2de1b79154 425 while (received > 0)
Azure.IoT Build 0:fa2de1b79154 426 {
AzureIoTClient 1:9190c0f4d23a 427 unsigned char* recv_bytes = malloc(MBED_RECEIVE_BYTES_VALUE);
AzureIoTClient 1:9190c0f4d23a 428 if (recv_bytes == NULL)
AzureIoTClient 1:9190c0f4d23a 429 {
AzureIoTClient 1:9190c0f4d23a 430 LogError("Socketio_Failure: NULL allocating input buffer.");
AzureIoTClient 1:9190c0f4d23a 431 indicate_error(socket_io_instance);
AzureIoTClient 1:9190c0f4d23a 432 }
AzureIoTClient 1:9190c0f4d23a 433 else
Azure.IoT Build 0:fa2de1b79154 434 {
AzureIoTClient 1:9190c0f4d23a 435 received = tcpsocketconnection_receive(socket_io_instance->tcp_socket_connection, (char*)recv_bytes, MBED_RECEIVE_BYTES_VALUE);
AzureIoTClient 1:9190c0f4d23a 436 if (received > 0)
Azure.IoT Build 0:fa2de1b79154 437 {
AzureIoTClient 1:9190c0f4d23a 438 if (socket_io_instance->on_bytes_received != NULL)
AzureIoTClient 1:9190c0f4d23a 439 {
AzureIoTClient 1:9190c0f4d23a 440 /* explictly ignoring here the result of the callback */
AzureIoTClient 1:9190c0f4d23a 441 (void)socket_io_instance->on_bytes_received(socket_io_instance->on_bytes_received_context, recv_bytes, received);
AzureIoTClient 1:9190c0f4d23a 442 }
Azure.IoT Build 0:fa2de1b79154 443 }
AzureIoTClient 1:9190c0f4d23a 444 free(recv_bytes);
Azure.IoT Build 0:fa2de1b79154 445 }
Azure.IoT Build 0:fa2de1b79154 446 }
Azure.IoT Build 0:fa2de1b79154 447 }
Azure.IoT Build 0:fa2de1b79154 448 }
Azure.IoT Build 0:fa2de1b79154 449 }
Azure.IoT Build 0:fa2de1b79154 450
Azure.IoT Build 0:fa2de1b79154 451 int socketio_setoption(CONCRETE_IO_HANDLE socket_io, const char* optionName, const void* value)
Azure.IoT Build 0:fa2de1b79154 452 {
Azure.IoT Build 0:fa2de1b79154 453 /* Not implementing any options */
AzureIoTClient 21:b92006c5b9ff 454 return __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 455 }
Azure.IoT Build 0:fa2de1b79154 456
Azure.IoT Build 0:fa2de1b79154 457 const IO_INTERFACE_DESCRIPTION* socketio_get_interface_description(void)
Azure.IoT Build 0:fa2de1b79154 458 {
Azure.IoT Build 0:fa2de1b79154 459 return &socket_io_interface_description;
Azure.IoT Build 0:fa2de1b79154 460 }