resource/csdk/connectivity/src/cainterfacecontroller.c

   1 /******************************************************************
   2  *
   3  * Copyright 2014 Samsung Electronics All Rights Reserved.
   4  *
   5  *
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  ******************************************************************/
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <inttypes.h>
  25
  26 #include "cainterfacecontroller.h"
  27 #include "caipadapter.h"
  28 #include "caedradapter.h"
  29 #include "caleadapter.h"
  30 #include "canetworkconfigurator.h"
  31 #include "caremotehandler.h"
  32 #include "oic_malloc.h"
  33 #include "logger.h"
  34 #include "cathreadpool.h"
  35
  36 #define TAG PCF("CA")
  37
  38 #define CA_MEMORY_ALLOC_CHECK(arg) {if (arg == NULL) \
  39     {OIC_LOG(ERROR, TAG, "memory error");goto memory_error_exit;} }
  40
  41 #define CA_TRANSPORT_TYPE_NUM   3
  42
  43 static CAConnectivityHandler_t g_adapterHandler[CA_TRANSPORT_TYPE_NUM] = {};
  44
  45 static CANetworkPacketReceivedCallback g_networkPacketReceivedCallback = NULL;
  46
  47 static CANetworkChangeCallback g_networkChangeCallback = NULL;
  48
  49 static CAErrorHandleCallback g_errorHandleCallback = NULL;
  50
  51 static int CAGetAdapterIndex(CATransportAdapter_t cType)
  52 {
  53     switch (cType)
  54     {
  55         case CA_ADAPTER_IP:
  56             return 0;
  57         case CA_ADAPTER_GATT_BTLE:
  58             return 1;
  59         case CA_ADAPTER_RFCOMM_BTEDR:
  60             return 2;
  61         default:
  62             break;
  63     }
  64
  65     OIC_LOG(DEBUG, TAG, "CA_TRANSPORT_TYPE_NUM is not 3");
  66
  67     return -1;
  68 }
  69
  70 static void CARegisterCallback(CAConnectivityHandler_t handler, CATransportAdapter_t cType)
  71 {
  72     OIC_LOG(DEBUG, TAG, "CARegisterCallback - Entry");
  73
  74     if(handler.startAdapter == NULL ||
  75         handler.startListenServer == NULL ||
  76         handler.startDiscoveryServer == NULL ||
  77         handler.sendData == NULL ||
  78         handler.sendDataToAll == NULL ||
  79         handler.GetnetInfo == NULL ||
  80         handler.readData == NULL ||
  81         handler.stopAdapter == NULL ||
  82         handler.terminate == NULL)
  83     {
  84         OIC_LOG(ERROR, TAG, "connectivity handler is not enough to be used!");
  85         return;
  86     }
  87
  88     int index = CAGetAdapterIndex(cType);
  89
  90     if (index == -1)
  91     {
  92         OIC_LOG(ERROR, TAG, "unknown connectivity type!");
  93         return;
  94     }
  95
  96     g_adapterHandler[index] = handler;
  97
  98     OIC_LOG_V(DEBUG, TAG, "%d type adapter, register complete!", cType);
  99 }
 100
 101 static void CAReceivedPacketCallback(const CAEndpoint_t *endpoint, void *data, uint32_t dataLen)
 102 {
 103     OIC_LOG(DEBUG, TAG, "receivedPacketCallback in interface controller");
 104
 105     // Call the callback.
 106     if (g_networkPacketReceivedCallback != NULL)
 107     {
 108         g_networkPacketReceivedCallback(endpoint, data, dataLen);
 109     }
 110     else
 111     {
 112         OICFree(data);
 113
 114         OIC_LOG(ERROR, TAG, "network packet received callback is NULL!");
 115     }
 116 }
 117
 118 static void CANetworkChangedCallback(const CAEndpoint_t *info, CANetworkStatus_t status)
 119 {
 120     OIC_LOG(DEBUG, TAG, "Network Changed callback");
 121
 122     // Call the callback.
 123     if (g_networkChangeCallback != NULL)
 124     {
 125         g_networkChangeCallback(info, status);
 126     }
 127 }
 128
 129 static void CAAdapterErrorHandleCallback(const CAEndpoint_t *endpoint,
 130                                          const void *data, uint32_t dataLen,
 131                                          CAResult_t result)
 132 {
 133     OIC_LOG(DEBUG, TAG, "received error from adapter in interfacecontroller");
 134
 135     // Call the callback.
 136     if (g_errorHandleCallback != NULL)
 137     {
 138         g_errorHandleCallback(endpoint, data, dataLen, result);
 139     }
 140 }
 141
 142 void CAInitializeAdapters(ca_thread_pool_t handle)
 143 {
 144     OIC_LOG(DEBUG, TAG, "initialize adapters..");
 145
 146     memset(g_adapterHandler, 0, sizeof(CAConnectivityHandler_t) * CA_TRANSPORT_TYPE_NUM);
 147
 148     // Initialize adapters and register callback.
 149 #ifdef IP_ADAPTER
 150     CAInitializeIP(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback, handle);
 151 #endif /* IP_ADAPTER */
 152
 153 #ifdef EDR_ADAPTER
 154     CAInitializeEDR(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback, handle);
 155 #endif /* EDR_ADAPTER */
 156
 157 #ifdef LE_ADAPTER
 158     CAInitializeLE(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback, handle);
 159 #endif /* LE_ADAPTER */
 160
 161 }
 162
 163 void CASetPacketReceivedCallback(CANetworkPacketReceivedCallback callback)
 164 {
 165     OIC_LOG(DEBUG, TAG, "Set packet received callback");
 166
 167     g_networkPacketReceivedCallback = callback;
 168 }
 169
 170 void CASetNetworkChangeCallback(CANetworkChangeCallback callback)
 171 {
 172     OIC_LOG(DEBUG, TAG, "Set network change callback");
 173
 174     g_networkChangeCallback = callback;
 175 }
 176
 177 void CASetErrorHandleCallback(CAErrorHandleCallback errorCallback)
 178 {
 179     OIC_LOG(DEBUG, TAG, "Set error handle callback");
 180     g_errorHandleCallback = errorCallback;
 181 }
 182
 183 CAResult_t CAStartAdapter(CATransportAdapter_t transportType)
 184 {
 185     OIC_LOG_V(DEBUG, TAG, "Start the adapter of CAConnectivityType[%d]", transportType);
 186
 187     int index = CAGetAdapterIndex(transportType);
 188
 189     if (index == -1)
 190     {
 191         OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 192         return CA_STATUS_FAILED;
 193     }
 194
 195     if (g_adapterHandler[index].startAdapter != NULL)
 196     {
 197         g_adapterHandler[index].startAdapter();
 198     }
 199
 200     return CA_STATUS_OK;
 201 }
 202
 203 void CAStopAdapter(CATransportAdapter_t transportType)
 204 {
 205     OIC_LOG_V(DEBUG, TAG, "Stop the adapter of CATransportType[%d]", transportType);
 206
 207     int index = CAGetAdapterIndex(transportType);
 208
 209     if (index == -1)
 210     {
 211         OIC_LOG(ERROR, TAG, "unknown transport type!");
 212         return;
 213     }
 214
 215     if (g_adapterHandler[index].stopAdapter != NULL)
 216     {
 217         g_adapterHandler[index].stopAdapter();
 218     }
 219 }
 220
 221 CAResult_t CAGetNetworkInfo(CAEndpoint_t **info, uint32_t *size)
 222 {
 223     if (info == NULL || size == NULL)
 224     {
 225         return CA_STATUS_INVALID_PARAM;
 226     }
 227
 228     CAEndpoint_t *tempInfo[CA_TRANSPORT_TYPE_NUM] = { 0 };
 229     uint32_t tempSize[CA_TRANSPORT_TYPE_NUM] = { 0 };
 230
 231     CAResult_t res = CA_STATUS_FAILED;
 232     uint32_t resSize = 0;
 233     for (int index = 0; index < CA_TRANSPORT_TYPE_NUM; index++)
 234     {
 235         if (g_adapterHandler[index].GetnetInfo != NULL)
 236         {
 237             // #1. get information for each adapter
 238             res = g_adapterHandler[index].GetnetInfo(&tempInfo[index],
 239                                                      &tempSize[index]);
 240
 241             // #2. total size
 242             if (res == CA_STATUS_OK)
 243             {
 244                 resSize += tempSize[index];
 245             }
 246
 247             OIC_LOG_V(DEBUG,
 248                       TAG,
 249                       "%d adapter network info size is %" PRIu32 " res:%d",
 250                       index,
 251                       tempSize[index],
 252                       res);
 253         }
 254     }
 255
 256     OIC_LOG_V(DEBUG, TAG, "network info total size is %d!", resSize);
 257
 258     if (resSize == 0)
 259     {
 260         if (res == CA_ADAPTER_NOT_ENABLED || res == CA_NOT_SUPPORTED)
 261         {
 262             return res;
 263         }
 264         return CA_STATUS_FAILED;
 265     }
 266
 267     // #3. add data into result
 268     // memory allocation
 269     CAEndpoint_t *resInfo = (CAEndpoint_t *) OICCalloc(resSize, sizeof (*resInfo));
 270     CA_MEMORY_ALLOC_CHECK(resInfo);
 271
 272     // #4. save data
 273     *info = resInfo;
 274     *size = resSize;
 275
 276     for (int index = 0; index < CA_TRANSPORT_TYPE_NUM; index++)
 277     {
 278         // check information
 279         if (tempSize[index] == 0)
 280         {
 281             continue;
 282         }
 283
 284         memcpy(resInfo,
 285                tempInfo[index],
 286                sizeof(*resInfo) * tempSize[index]);
 287
 288         resInfo += tempSize[index];
 289
 290         // free adapter data
 291         OICFree(tempInfo[index]);
 292         tempInfo[index] = NULL;
 293     }
 294
 295     OIC_LOG(DEBUG, TAG, "each network info save success!");
 296     return CA_STATUS_OK;
 297
 298     // memory error label.
 299 memory_error_exit:
 300
 301     for (int index = 0; index < CA_TRANSPORT_TYPE_NUM; index++)
 302     {
 303
 304         OICFree(tempInfo[index]);
 305         tempInfo[index] = NULL;
 306     }
 307
 308     return CA_MEMORY_ALLOC_FAILED;
 309 }
 310
 311 CAResult_t CASendUnicastData(const CAEndpoint_t *endpoint, const void *data, uint32_t length)
 312 {
 313     OIC_LOG(DEBUG, TAG, "Send unicast data to enabled interface..");
 314
 315     CAResult_t res = CA_STATUS_FAILED;
 316
 317     if (endpoint == NULL)
 318     {
 319         OIC_LOG(DEBUG, TAG, "Invalid endpoint");
 320         return CA_STATUS_INVALID_PARAM;
 321     }
 322
 323     CATransportAdapter_t type = endpoint->adapter;
 324
 325     int index = CAGetAdapterIndex(type);
 326
 327     if (index == -1)
 328     {
 329         OIC_LOG(ERROR, TAG, "unknown transport type!");
 330         return CA_STATUS_INVALID_PARAM;
 331     }
 332
 333     uint32_t sentDataLen = 0;
 334
 335     if (g_adapterHandler[index].sendData != NULL)
 336     {
 337         sentDataLen = g_adapterHandler[index].sendData(endpoint, data, length);
 338     }
 339
 340     if (sentDataLen != -1)
 341     {
 342         res = CA_STATUS_OK;
 343     }
 344     return res;
 345 }
 346
 347 CAResult_t CASendMulticastData(const CAEndpoint_t *endpoint, const void *data, uint32_t length)
 348 {
 349     OIC_LOG(DEBUG, TAG, "Send multicast data to enabled interface..");
 350
 351     CAResult_t res = CA_SEND_FAILED;
 352     u_arraylist_t *list = CAGetSelectedNetworkList();
 353
 354     if (!list)
 355     {
 356         OIC_LOG(DEBUG, TAG, "No selected network");
 357         return CA_SEND_FAILED;
 358     }
 359
 360     int i = 0;
 361     for (i = 0; i < u_arraylist_length(list); i++)
 362     {
 363         void* ptrType = u_arraylist_get(list, i);
 364
 365         if(ptrType == NULL)
 366         {
 367             continue;
 368         }
 369
 370         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 371
 372         int index = CAGetAdapterIndex(connType);
 373
 374         if (index == -1)
 375         {
 376             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 377             continue;
 378         }
 379
 380         uint32_t sentDataLen = 0;
 381
 382         if (g_adapterHandler[index].sendDataToAll != NULL)
 383         {
 384             void *payload = (void *) OICMalloc(length);
 385             if (!payload)
 386             {
 387                 OIC_LOG(ERROR, TAG, "Out of memory!");
 388                 return CA_MEMORY_ALLOC_FAILED;
 389             }
 390             memcpy(payload, data, length);
 391             sentDataLen = g_adapterHandler[index].sendDataToAll(endpoint, payload, length);
 392             OICFree(payload);
 393         }
 394
 395         if (sentDataLen == length)
 396         {
 397            res = CA_STATUS_OK;
 398         }
 399         else
 400         {
 401             OIC_LOG(ERROR, TAG, "sendDataToAll failed!");
 402         }
 403     }
 404
 405     return res;
 406 }
 407
 408 CAResult_t CAStartListeningServerAdapters()
 409 {
 410     OIC_LOG(DEBUG, TAG, "Start listening server from adapters..");
 411
 412     u_arraylist_t *list = CAGetSelectedNetworkList();
 413     if (!list)
 414     {
 415         OIC_LOG(ERROR, TAG, "No selected network");
 416         return CA_STATUS_FAILED;
 417     }
 418
 419     int i = 0;
 420     for (i = 0; i < u_arraylist_length(list); i++)
 421     {
 422         void* ptrType = u_arraylist_get(list, i);
 423
 424         if(ptrType == NULL)
 425         {
 426             continue;
 427         }
 428
 429         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 430
 431         int index = CAGetAdapterIndex(connType);
 432         if (index == -1)
 433         {
 434             OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 435             continue;
 436         }
 437
 438         if (g_adapterHandler[index].startListenServer != NULL)
 439         {
 440             g_adapterHandler[index].startListenServer();
 441         }
 442     }
 443
 444     return CA_STATUS_OK;
 445 }
 446
 447 CAResult_t CAStartDiscoveryServerAdapters()
 448 {
 449     OIC_LOG(DEBUG, TAG, "Start discovery server from adapters..");
 450
 451     u_arraylist_t *list = CAGetSelectedNetworkList();
 452
 453     if (!list)
 454     {
 455         OIC_LOG(ERROR, TAG, "No selected network");
 456         return CA_STATUS_FAILED;
 457     }
 458
 459     int i = 0;
 460     for (i = 0; i < u_arraylist_length(list); i++)
 461     {
 462         void* ptrType = u_arraylist_get(list, i);
 463
 464         if(ptrType == NULL)
 465         {
 466             continue;
 467         }
 468
 469         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 470
 471         int index = CAGetAdapterIndex(connType);
 472
 473         if (index == -1)
 474         {
 475             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 476             continue;
 477         }
 478
 479         if (g_adapterHandler[index].startDiscoveryServer != NULL)
 480         {
 481             g_adapterHandler[index].startDiscoveryServer();
 482         }
 483     }
 484
 485     return CA_STATUS_OK;
 486 }
 487
 488 void CATerminateAdapters()
 489 {
 490     OIC_LOG(DEBUG, TAG, "terminate all adapters..");
 491
 492     uint32_t index;
 493     for (index = 0; index < CA_TRANSPORT_TYPE_NUM; index++)
 494     {
 495         if (g_adapterHandler[index].terminate != NULL)
 496         {
 497             g_adapterHandler[index].terminate();
 498         }
 499     }
 500 }