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 "logger.h"
  27 #include "oic_malloc.h"
  28 #include "caadapterutils.h"
  29 #include "canetworkconfigurator.h"
  30 #include "cainterfacecontroller.h"
  31 #include "caedradapter.h"
  32 #include "caleadapter.h"
  33 #include "canfcadapter.h"
  34 #include "caremotehandler.h"
  35 #include "cathreadpool.h"
  36 #include "caipadapter.h"
  37 #include "cainterface.h"
  38
  39 #ifdef RA_ADAPTER
  40 #include "caraadapter.h"
  41 #endif
  42
  43 #ifdef TCP_ADAPTER
  44 #include "catcpadapter.h"
  45 #endif
  46
  47 #define TAG "OIC_CA_INF_CTR"
  48
  49 #define CA_MEMORY_ALLOC_CHECK(arg) {if (arg == NULL) \
  50     {OIC_LOG(ERROR, TAG, "memory error");goto memory_error_exit;} }
  51
  52
  53
  54 static CAConnectivityHandler_t *g_adapterHandler;
  55
  56 static uint32_t g_numberOfAdapters;
  57
  58 static CANetworkPacketReceivedCallback g_networkPacketReceivedCallback = NULL;
  59
  60 static CANetworkChangeCallback g_networkChangeCallback = NULL;
  61
  62 static CAErrorHandleCallback g_errorHandleCallback = NULL;
  63
  64 static int CAGetAdapterIndex(CATransportAdapter_t cType)
  65 {
  66     for (uint32_t index=0 ; index < g_numberOfAdapters ; index++)
  67     {
  68         if (cType == g_adapterHandler[index].cType )
  69          {
  70              return index;
  71          }
  72     }
  73     return -1;
  74 }
  75
  76 static void CARegisterCallback(CAConnectivityHandler_t handler)
  77 {
  78     if(handler.startAdapter == NULL ||
  79         handler.startListenServer == NULL ||
  80         handler.stopListenServer == NULL ||
  81         handler.startDiscoveryServer == NULL ||
  82         handler.sendData == NULL ||
  83         handler.sendDataToAll == NULL ||
  84         handler.GetnetInfo == NULL ||
  85         handler.readData == NULL ||
  86         handler.stopAdapter == NULL ||
  87         handler.terminate == NULL)
  88     {
  89         OIC_LOG(ERROR, TAG, "connectivity handler is not enough to be used!");
  90         return;
  91     }
  92     uint32_t numberofAdapters = g_numberOfAdapters + 1;
  93     CAConnectivityHandler_t *adapterHandler = OICRealloc(g_adapterHandler,
  94                                    (numberofAdapters) * sizeof(*adapterHandler));
  95     if (NULL == adapterHandler)
  96     {
  97         OIC_LOG(ERROR, TAG, "Memory allocation failed during registration");
  98         return;
  99     }
 100     g_adapterHandler = adapterHandler;
 101     g_numberOfAdapters = numberofAdapters;
 102     g_adapterHandler[g_numberOfAdapters-1] = handler;
 103
 104     OIC_LOG_V(DEBUG, TAG, "%d type adapter, register complete!", handler.cType);
 105 }
 106
 107 #ifdef RA_ADAPTER
 108 CAResult_t CASetAdapterRAInfo(const CARAInfo_t *caraInfo)
 109 {
 110     return CASetRAInfo(caraInfo);
 111 }
 112 #endif
 113
 114 static void CAReceivedPacketCallback(const CASecureEndpoint_t *sep,
 115                                      const void *data, uint32_t dataLen)
 116 {
 117     if (g_networkPacketReceivedCallback != NULL)
 118     {
 119         g_networkPacketReceivedCallback(sep, data, dataLen);
 120     }
 121     else
 122     {
 123         OIC_LOG(ERROR, TAG, "network packet received callback is NULL!");
 124     }
 125 }
 126
 127 static void CANetworkChangedCallback(const CAEndpoint_t *info, CANetworkStatus_t status)
 128 {
 129     // Call the callback.
 130     if (g_networkChangeCallback != NULL)
 131     {
 132         g_networkChangeCallback(info, status);
 133     }
 134 }
 135
 136 static void CAAdapterErrorHandleCallback(const CAEndpoint_t *endpoint,
 137                                          const void *data, uint32_t dataLen,
 138                                          CAResult_t result)
 139 {
 140     OIC_LOG(DEBUG, TAG, "received error from adapter in interfacecontroller");
 141
 142     // Call the callback.
 143     if (g_errorHandleCallback != NULL)
 144     {
 145         g_errorHandleCallback(endpoint, data, dataLen, result);
 146     }
 147 }
 148
 149 void CAInitializeAdapters(ca_thread_pool_t handle)
 150 {
 151     OIC_LOG(DEBUG, TAG, "initialize adapters..");
 152
 153     // Initialize adapters and register callback.
 154 #ifdef IP_ADAPTER
 155     CAInitializeIP(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 156                    CAAdapterErrorHandleCallback, handle);
 157 #endif /* IP_ADAPTER */
 158
 159 #ifdef EDR_ADAPTER
 160     CAInitializeEDR(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 161                     CAAdapterErrorHandleCallback, handle);
 162 #endif /* EDR_ADAPTER */
 163
 164 #ifdef LE_ADAPTER
 165     CAInitializeLE(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 166                    CAAdapterErrorHandleCallback, handle);
 167 #endif /* LE_ADAPTER */
 168
 169 #ifdef RA_ADAPTER
 170     CAInitializeRA(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 171                    handle);
 172 #endif /* RA_ADAPTER */
 173
 174 #ifdef TCP_ADAPTER
 175     CAInitializeTCP(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 176                     CAAdapterErrorHandleCallback, handle);
 177 #endif /* TCP_ADAPTER */
 178
 179 #ifdef NFC_ADAPTER
 180     CAInitializeNFC(CARegisterCallback, CAReceivedPacketCallback, CANetworkChangedCallback,
 181                     CAAdapterErrorHandleCallback, handle);
 182 #endif /* NFC_ADAPTER */
 183 }
 184
 185 void CASetPacketReceivedCallback(CANetworkPacketReceivedCallback callback)
 186 {
 187     OIC_LOG(DEBUG, TAG, "Set Receiver handle callback");
 188
 189     g_networkPacketReceivedCallback = callback;
 190 }
 191
 192 void CASetNetworkChangeCallback(CANetworkChangeCallback callback)
 193 {
 194     OIC_LOG(DEBUG, TAG, "Set network handle callback");
 195
 196     g_networkChangeCallback = callback;
 197 }
 198
 199 void CASetErrorHandleCallback(CAErrorHandleCallback errorCallback)
 200 {
 201     OIC_LOG(DEBUG, TAG, "Set error handle callback");
 202     g_errorHandleCallback = errorCallback;
 203 }
 204
 205 CAResult_t CAStartAdapter(CATransportAdapter_t transportType)
 206 {
 207     OIC_LOG_V(DEBUG, TAG, "Start the adapter of CAConnectivityType[%d]", transportType);
 208
 209     int index = CAGetAdapterIndex(transportType);
 210     if (0 > index)
 211     {
 212         OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 213         return CA_STATUS_FAILED;
 214     }
 215
 216     CAResult_t res = CA_STATUS_FAILED;
 217     if (g_adapterHandler[index].startAdapter != NULL)
 218     {
 219         res = g_adapterHandler[index].startAdapter();
 220     }
 221
 222     return res;
 223 }
 224
 225 void CAStopAdapter(CATransportAdapter_t transportType)
 226 {
 227     OIC_LOG_V(DEBUG, TAG, "Stop the adapter of CATransportType[%d]", transportType);
 228
 229     int index = CAGetAdapterIndex(transportType);
 230     if (0 > index)
 231     {
 232         OIC_LOG(ERROR, TAG, "unknown transport type!");
 233         return;
 234     }
 235
 236     if (g_adapterHandler[index].stopAdapter != NULL)
 237     {
 238         g_adapterHandler[index].stopAdapter();
 239     }
 240 }
 241
 242 CAResult_t CAGetNetworkInfo(CAEndpoint_t **info, uint32_t *size)
 243 {
 244     if (info == NULL || size == NULL)
 245     {
 246         return CA_STATUS_INVALID_PARAM;
 247     }
 248
 249     CAEndpoint_t **tempInfo = (CAEndpoint_t**) OICCalloc(g_numberOfAdapters, sizeof(*tempInfo));
 250     uint32_t *tempSize =(uint32_t*) OICCalloc(g_numberOfAdapters, sizeof(*tempSize));
 251
 252     CAResult_t res = CA_STATUS_FAILED;
 253     size_t resSize = 0;
 254     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 255     {
 256         if (g_adapterHandler[index].GetnetInfo != NULL)
 257         {
 258             // #1. get information for each adapter
 259             res = g_adapterHandler[index].GetnetInfo(&tempInfo[index],
 260                                                      &tempSize[index]);
 261
 262             // #2. total size
 263             if (res == CA_STATUS_OK)
 264             {
 265                 resSize += tempSize[index];
 266             }
 267
 268             OIC_LOG_V(DEBUG,
 269                       TAG,
 270                       "%zu adapter network info size is %" PRIu32 " res:%d",
 271                       index,
 272                       tempSize[index],
 273                       res);
 274         }
 275     }
 276
 277     OIC_LOG_V(DEBUG, TAG, "network info total size is %zu!", resSize);
 278
 279     if (resSize == 0)
 280     {
 281         if (res == CA_ADAPTER_NOT_ENABLED || res == CA_NOT_SUPPORTED)
 282         {
 283             OICFree(tempInfo);
 284             OICFree(tempSize);
 285             return res;
 286         }
 287         return CA_STATUS_FAILED;
 288     }
 289
 290     // #3. add data into result
 291     // memory allocation
 292     CAEndpoint_t *resInfo = (CAEndpoint_t *) OICCalloc(resSize, sizeof (*resInfo));
 293     CA_MEMORY_ALLOC_CHECK(resInfo);
 294
 295     // #4. save data
 296     *info = resInfo;
 297     *size = resSize;
 298
 299     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 300     {
 301         // check information
 302         if (tempSize[index] == 0)
 303         {
 304             continue;
 305         }
 306
 307         memcpy(resInfo,
 308                tempInfo[index],
 309                sizeof(*resInfo) * tempSize[index]);
 310
 311         resInfo += tempSize[index];
 312
 313         // free adapter data
 314         OICFree(tempInfo[index]);
 315         tempInfo[index] = NULL;
 316     }
 317     OICFree(tempInfo);
 318     OICFree(tempSize);
 319
 320     OIC_LOG(DEBUG, TAG, "each network info save success!");
 321     return CA_STATUS_OK;
 322
 323     // memory error label.
 324 memory_error_exit:
 325
 326     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 327     {
 328         OICFree(tempInfo[index]);
 329         tempInfo[index] = NULL;
 330     }
 331     OICFree(tempInfo);
 332     OICFree(tempSize);
 333
 334     return CA_MEMORY_ALLOC_FAILED;
 335 }
 336
 337 CAResult_t CASendUnicastData(const CAEndpoint_t *endpoint, const void *data, uint32_t length)
 338 {
 339     if (endpoint == NULL)
 340     {
 341         OIC_LOG(DEBUG, TAG, "Invalid endpoint");
 342         return CA_STATUS_INVALID_PARAM;
 343     }
 344
 345
 346     u_arraylist_t *list = CAGetSelectedNetworkList();
 347     if (!list)
 348     {
 349         OIC_LOG(ERROR, TAG, "No selected network");
 350         return CA_SEND_FAILED;
 351     }
 352     CATransportAdapter_t requestedAdapter = endpoint->adapter ? endpoint->adapter : CA_ALL_ADAPTERS;
 353
 354     for (uint32_t i = 0; i < u_arraylist_length(list); i++)
 355     {
 356         void* ptrType = u_arraylist_get(list, i);
 357
 358         if (NULL == ptrType)
 359         {
 360             continue;
 361         }
 362
 363         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 364         if (0 == (connType & requestedAdapter))
 365         {
 366             continue;
 367         }
 368
 369         int index = CAGetAdapterIndex(connType);
 370
 371         if (-1 == index)
 372         {
 373             OIC_LOG(ERROR, TAG, "unknown transport type!");
 374             return CA_STATUS_INVALID_PARAM;
 375         }
 376
 377         int32_t sentDataLen = 0;
 378
 379         if (NULL != g_adapterHandler[index].sendData)
 380         {
 381             OIC_LOG(DEBUG, TAG, "unicast message to adapter");
 382             sentDataLen = g_adapterHandler[index].sendData(endpoint, data, length);
 383         }
 384
 385         if (sentDataLen != (int32_t)length)
 386         {
 387             OIC_LOG(ERROR, TAG, "error in sending data. Error will be reported in adapter");
 388 #ifdef SINGLE_THREAD
 389             //in case of single thread, no error handler. Report error immediately
 390             return CA_SEND_FAILED;
 391 #endif
 392         }
 393
 394     }
 395
 396     return CA_STATUS_OK;
 397 }
 398
 399 CAResult_t CASendMulticastData(const CAEndpoint_t *endpoint, const void *data, uint32_t length)
 400 {
 401     u_arraylist_t *list = CAGetSelectedNetworkList();
 402     if (!list)
 403     {
 404         OIC_LOG(DEBUG, TAG, "No selected network");
 405         return CA_SEND_FAILED;
 406     }
 407
 408     CATransportFlags_t requestedAdapter = endpoint->adapter ? endpoint->adapter : CA_ALL_ADAPTERS;
 409     size_t selectedLength = u_arraylist_length(list);
 410     for (size_t i = 0; i < selectedLength; i++)
 411     {
 412         void* ptrType = u_arraylist_get(list, i);
 413
 414         if(NULL == ptrType)
 415         {
 416             continue;
 417         }
 418
 419         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 420         if (0 == (connType & requestedAdapter))
 421         {
 422             continue;
 423         }
 424
 425         int index = CAGetAdapterIndex(connType);
 426         if (0 > index)
 427         if (-1 == index)
 428         {
 429             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 430             continue;
 431         }
 432
 433         uint32_t sentDataLen = 0;
 434
 435         if (NULL != g_adapterHandler[index].sendDataToAll)
 436         {
 437             void *payload = (void *) OICMalloc(length);
 438             if (!payload)
 439             {
 440                 OIC_LOG(ERROR, TAG, "Out of memory!");
 441                 return CA_MEMORY_ALLOC_FAILED;
 442             }
 443             memcpy(payload, data, length);
 444             sentDataLen = g_adapterHandler[index].sendDataToAll(endpoint, payload, length);
 445             OICFree(payload);
 446         }
 447
 448         if (sentDataLen != length)
 449         {
 450             OIC_LOG(ERROR, TAG, "sendDataToAll failed! Error will be reported from adapter");
 451 #ifdef SINGLE_THREAD
 452             //in case of single thread, no error handler. Report error immediately
 453             return CA_SEND_FAILED;
 454 #endif
 455         }
 456     }
 457
 458     return CA_STATUS_OK;
 459 }
 460
 461 CAResult_t CAStartListeningServerAdapters()
 462 {
 463     CAResult_t result = CA_STATUS_FAILED;
 464
 465     u_arraylist_t *list = CAGetSelectedNetworkList();
 466     if (!list)
 467     {
 468         OIC_LOG(ERROR, TAG, "No selected network");
 469         return result;
 470     }
 471
 472     size_t length = u_arraylist_length(list);
 473     for (size_t i = 0; i < length; i++)
 474     {
 475         void* ptrType = u_arraylist_get(list, i);
 476
 477         if(ptrType == NULL)
 478         {
 479             continue;
 480         }
 481
 482         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 483
 484         int index = CAGetAdapterIndex(connType);
 485         if (0 > index)
 486         {
 487             OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 488             continue;
 489         }
 490
 491         if (g_adapterHandler[index].startListenServer != NULL)
 492         {
 493             const CAResult_t tmp =
 494                 g_adapterHandler[index].startListenServer();
 495
 496             // Successful listen if at least one adapter started.
 497             if (CA_STATUS_OK == tmp)
 498             {
 499                 result = tmp;
 500             }
 501         }
 502     }
 503
 504     return result;
 505 }
 506
 507 CAResult_t CAStopListeningServerAdapters()
 508 {
 509     u_arraylist_t *list = CAGetSelectedNetworkList();
 510     if (!list)
 511     {
 512         OIC_LOG(ERROR, TAG, "No selected network");
 513         return CA_STATUS_FAILED;
 514     }
 515
 516     size_t length = u_arraylist_length(list);
 517     for (size_t i = 0; i < length; i++)
 518     {
 519         void* ptrType = u_arraylist_get(list, i);
 520         if(ptrType == NULL)
 521         {
 522             continue;
 523         }
 524
 525         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 526
 527         int index = CAGetAdapterIndex(connType);
 528         if (0 > index)
 529         {
 530             OIC_LOG(ERROR, TAG, "unknown connectivity type!");
 531             continue;
 532         }
 533
 534         if (g_adapterHandler[index].stopListenServer != NULL)
 535         {
 536             g_adapterHandler[index].stopListenServer();
 537         }
 538     }
 539
 540     return CA_STATUS_OK;
 541 }
 542
 543 CAResult_t CAStartDiscoveryServerAdapters()
 544 {
 545     CAResult_t result = CA_STATUS_FAILED;
 546
 547     u_arraylist_t *list = CAGetSelectedNetworkList();
 548
 549     if (!list)
 550     {
 551         OIC_LOG(ERROR, TAG, "No selected network");
 552         return result;
 553     }
 554
 555     size_t length = u_arraylist_length(list);
 556     for (size_t i = 0; i < length; i++)
 557     {
 558         void* ptrType = u_arraylist_get(list, i);
 559
 560         if(ptrType == NULL)
 561         {
 562             continue;
 563         }
 564
 565         CATransportAdapter_t connType = *(CATransportAdapter_t *)ptrType;
 566
 567         int index = CAGetAdapterIndex(connType);
 568         if (0 > index)
 569         {
 570             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 571             continue;
 572         }
 573
 574         if (g_adapterHandler[index].startDiscoveryServer != NULL)
 575         {
 576             const CAResult_t tmp =
 577                 g_adapterHandler[index].startDiscoveryServer();
 578
 579             // Successful discovery if at least one adapter started.
 580             if (CA_STATUS_OK == tmp)
 581             {
 582                 result = tmp;
 583             }
 584         }
 585     }
 586
 587     return result;
 588 }
 589
 590 void CATerminateAdapters()
 591 {
 592     for (uint32_t index = 0; index < g_numberOfAdapters; index++)
 593     {
 594         if (g_adapterHandler[index].terminate != NULL)
 595         {
 596             g_adapterHandler[index].terminate();
 597         }
 598     }
 599     g_numberOfAdapters = 0;
 600 }
 601
 602 #ifdef SINGLE_THREAD
 603 CAResult_t CAReadData()
 604 {
 605     u_arraylist_t *list = CAGetSelectedNetworkList();
 606
 607     if (!list)
 608     {
 609         return CA_STATUS_FAILED;
 610     }
 611
 612     uint8_t i = 0;
 613     for (i = 0; i < u_arraylist_length(list); i++)
 614     {
 615         void *ptrType = u_arraylist_get(list, i);
 616         if (NULL == ptrType)
 617         {
 618             OIC_LOG(ERROR, TAG, "get list fail");
 619             return CA_STATUS_FAILED;
 620         }
 621
 622         CATransportAdapter_t connType = *(CATransportAdapter_t *) ptrType;
 623
 624         int index = CAGetAdapterIndex(connType);
 625         if (0 > index)
 626         {
 627             OIC_LOG(DEBUG, TAG, "unknown connectivity type!");
 628             continue;
 629         }
 630
 631         if (g_adapterHandler[index].readData != NULL)
 632         {
 633             g_adapterHandler[index].readData();
 634         }
 635     }
 636
 637     return CA_STATUS_OK;
 638 }
 639 #endif
 640