resource/csdk/connectivity/src/camessagehandler.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 <stdint.h>
  25
  26 #include "cainterface.h"
  27 #include "camessagehandler.h"
  28 #include "caremotehandler.h"
  29 #include "caprotocolmessage.h"
  30 #include "logger.h"
  31 #include "config.h" /* for coap protocol */
  32 #include "oic_malloc.h"
  33 #include "canetworkconfigurator.h"
  34 #include "caadapterutils.h"
  35 #include "cainterfacecontroller.h"
  36 #include "caretransmission.h"
  37
  38 #ifdef WITH_BWT
  39 #include "cablockwisetransfer.h"
  40 #endif
  41
  42 #ifndef  SINGLE_THREAD
  43 #include "uqueue.h"
  44 #include "cathreadpool.h" /* for thread pool */
  45 #include "caqueueingthread.h"
  46
  47 #define SINGLE_HANDLE
  48 #define MAX_THREAD_POOL_SIZE    20
  49
  50 // thread pool handle
  51 static ca_thread_pool_t g_threadPoolHandle = NULL;
  52
  53 // message handler main thread
  54 static CAQueueingThread_t g_sendThread;
  55 static CAQueueingThread_t g_receiveThread;
  56
  57 #else
  58 #define CA_MAX_RT_ARRAY_SIZE    3
  59 #endif  /* SINGLE_THREAD */
  60
  61 #define TAG "CA_MSG_HNDLR"
  62
  63 static CARetransmission_t g_retransmissionContext;
  64
  65 // handler field
  66 static CARequestCallback g_requestHandler = NULL;
  67 static CAResponseCallback g_responseHandler = NULL;
  68 static CAErrorCallback g_errorHandler = NULL;
  69
  70 static void CAErrorHandler(const CAEndpoint_t *endpoint,
  71                            const void *data, uint32_t dataLen,
  72                            CAResult_t result);
  73
  74 static CAData_t* CAGenerateHandlerData(const CAEndpoint_t *endpoint,
  75                                        const CARemoteId_t *identity,
  76                                        const void *data, CADataType_t dataType);
  77
  78 static void CASendErrorInfo(const CAEndpoint_t *endpoint, const CAInfo_t *info,
  79                             CAResult_t result);
  80
  81 #ifdef SINGLE_THREAD
  82 static void CAProcessReceivedData(CAData_t *data);
  83 #endif
  84 static void CADestroyData(void *data, uint32_t size);
  85 static void CALogPayloadInfo(CAInfo_t *info);
  86 static bool CADropSecondMessage(CAHistory_t *history, const CAEndpoint_t *endpoint, uint16_t id);
  87
  88 #ifdef WITH_BWT
  89 void CAAddDataToSendThread(CAData_t *data)
  90 {
  91     OIC_LOG(DEBUG, TAG, "IN");
  92     VERIFY_NON_NULL_VOID(data, TAG, "data");
  93
  94     // add thread
  95     CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
  96
  97     OIC_LOG(DEBUG, TAG, "OUT");
  98 }
  99
 100 void CAAddDataToReceiveThread(CAData_t *data)
 101 {
 102     OIC_LOG(DEBUG, TAG, "IN - CAAddDataToReceiveThread");
 103     VERIFY_NON_NULL_VOID(data, TAG, "data");
 104
 105     // add thread
 106     CAQueueingThreadAddData(&g_receiveThread, data, sizeof(CAData_t));
 107
 108     OIC_LOG(DEBUG, TAG, "OUT - CAAddDataToReceiveThread");
 109 }
 110 #endif
 111
 112 static bool CAIsSelectedNetworkAvailable()
 113 {
 114     u_arraylist_t *list = CAGetSelectedNetworkList();
 115     if (!list || u_arraylist_length(list) == 0)
 116     {
 117         OIC_LOG(ERROR, TAG, "No selected network");
 118         return false;
 119     }
 120
 121     return true;
 122 }
 123
 124 static CAData_t* CAGenerateHandlerData(const CAEndpoint_t *endpoint,
 125                                        const CARemoteId_t *identity,
 126                                        const void *data, CADataType_t dataType)
 127 {
 128     OIC_LOG(DEBUG, TAG, "CAGenerateHandlerData IN");
 129     CAInfo_t *info = NULL;
 130     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 131     if (!cadata)
 132     {
 133         OIC_LOG(ERROR, TAG, "memory allocation failed");
 134         return NULL;
 135     }
 136
 137     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
 138     if (!ep)
 139     {
 140         OIC_LOG(ERROR, TAG, "endpoint clone failed");
 141         OICFree(cadata);
 142         return NULL;
 143     }
 144
 145     OIC_LOG_V(DEBUG, TAG, "address : %s", ep->addr);
 146     CAResult_t result;
 147
 148     if(CA_RESPONSE_DATA == dataType)
 149     {
 150         CAResponseInfo_t* resInfo = (CAResponseInfo_t*)OICCalloc(1, sizeof(CAResponseInfo_t));
 151         if (!resInfo)
 152         {
 153             OIC_LOG(ERROR, TAG, "memory allocation failed");
 154             OICFree(cadata);
 155             CAFreeEndpoint(ep);
 156             return NULL;
 157         }
 158
 159         result = CAGetResponseInfoFromPDU(data, resInfo, endpoint->flags);
 160         if (CA_STATUS_OK != result)
 161         {
 162             OIC_LOG(ERROR, TAG, "CAGetResponseInfoFromPDU Failed");
 163             CAFreeEndpoint(ep);
 164             CADestroyResponseInfoInternal(resInfo);
 165             OICFree(cadata);
 166             return NULL;
 167         }
 168         cadata->responseInfo = resInfo;
 169         info = &resInfo->info;
 170         if (identity)
 171         {
 172             info->identity = *identity;
 173         }
 174         OIC_LOG(DEBUG, TAG, "Response Info :");
 175         CALogPayloadInfo(info);
 176     }
 177     else if (CA_REQUEST_DATA == dataType)
 178     {
 179         CARequestInfo_t* reqInfo = (CARequestInfo_t*)OICCalloc(1, sizeof(CARequestInfo_t));
 180         if (!reqInfo)
 181         {
 182             OIC_LOG(ERROR, TAG, "memory allocation failed");
 183             OICFree(cadata);
 184             CAFreeEndpoint(ep);
 185             return NULL;
 186         }
 187
 188         result = CAGetRequestInfoFromPDU(data, reqInfo, endpoint->flags);
 189         if (CA_STATUS_OK != result)
 190         {
 191             OIC_LOG(ERROR, TAG, "CAGetRequestInfoFromPDU failed");
 192             CAFreeEndpoint(ep);
 193             CADestroyRequestInfoInternal(reqInfo);
 194             OICFree(cadata);
 195             return NULL;
 196         }
 197
 198         if (CADropSecondMessage(&caglobals.ca.requestHistory, endpoint, reqInfo->info.messageId))
 199         {
 200             OIC_LOG(ERROR, TAG, "Second Request with same Token, Drop it");
 201             CAFreeEndpoint(ep);
 202             CADestroyRequestInfoInternal(reqInfo);
 203             OICFree(cadata);
 204             return NULL;
 205         }
 206
 207         cadata->requestInfo = reqInfo;
 208         info = &reqInfo->info;
 209         if (identity)
 210         {
 211             info->identity = *identity;
 212         }
 213         OIC_LOG(DEBUG, TAG, "Request Info :");
 214         CALogPayloadInfo(info);
 215    }
 216     else if (CA_ERROR_DATA == dataType)
 217     {
 218         CAErrorInfo_t *errorInfo = (CAErrorInfo_t *)OICCalloc(1, sizeof (CAErrorInfo_t));
 219         if (!errorInfo)
 220         {
 221             OIC_LOG(ERROR, TAG, "Memory allocation failed!");
 222             OICFree(cadata);
 223             CAFreeEndpoint(ep);
 224             return NULL;
 225         }
 226
 227         CAResult_t result = CAGetErrorInfoFromPDU(data, errorInfo, endpoint->flags);
 228         if (CA_STATUS_OK != result)
 229         {
 230             OIC_LOG(ERROR, TAG, "CAGetErrorInfoFromPDU failed");
 231             CAFreeEndpoint(ep);
 232             OICFree(errorInfo);
 233             OICFree(cadata);
 234             return NULL;
 235         }
 236
 237         cadata->errorInfo = errorInfo;
 238         info = &errorInfo->info;
 239         if (identity)
 240         {
 241             info->identity = *identity;
 242         }
 243         OIC_LOG(DEBUG, TAG, "error Info :");
 244         CALogPayloadInfo(info);
 245     }
 246
 247     cadata->remoteEndpoint = ep;
 248     cadata->dataType = dataType;
 249
 250     return cadata;
 251
 252     OIC_LOG(DEBUG, TAG, "CAGenerateHandlerData OUT");
 253 }
 254
 255 static void CATimeoutCallback(const CAEndpoint_t *endpoint, const void *pdu, uint32_t size)
 256 {
 257     OIC_LOG(DEBUG, TAG, "IN");
 258     VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint");
 259     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
 260
 261     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
 262     if (!ep)
 263     {
 264         OIC_LOG(ERROR, TAG, "clone failed");
 265         return;
 266     }
 267
 268     CAResponseInfo_t* resInfo = (CAResponseInfo_t*)OICCalloc(1, sizeof(CAResponseInfo_t));
 269
 270     if (!resInfo)
 271     {
 272         OIC_LOG(ERROR, TAG, "calloc failed");
 273         CAFreeEndpoint(ep);
 274         return;
 275     }
 276
 277     resInfo->result = CA_RETRANSMIT_TIMEOUT;
 278     resInfo->info.type = CAGetMessageTypeFromPduBinaryData(pdu, size);
 279     resInfo->info.messageId = CAGetMessageIdFromPduBinaryData(pdu, size);
 280
 281     CAResult_t res = CAGetTokenFromPDU((const coap_hdr_t *) pdu, &(resInfo->info),
 282                                        endpoint->flags);
 283     if (CA_STATUS_OK != res)
 284     {
 285         OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
 286         CADestroyResponseInfoInternal(resInfo);
 287         CAFreeEndpoint(ep);
 288         return;
 289     }
 290
 291     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 292     if (NULL == cadata)
 293     {
 294         OIC_LOG(ERROR, TAG, "memory allocation failed !");
 295         CAFreeEndpoint(ep);
 296         CADestroyResponseInfoInternal(resInfo);
 297         return;
 298     }
 299
 300     cadata->type = SEND_TYPE_UNICAST;
 301     cadata->remoteEndpoint = ep;
 302     cadata->requestInfo = NULL;
 303     cadata->responseInfo = resInfo;
 304
 305 #ifdef SINGLE_THREAD
 306     CAProcessReceivedData(cadata);
 307 #else
 308     CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
 309 #endif
 310
 311     OIC_LOG(DEBUG, TAG, "OUT");
 312 }
 313
 314 static void CADestroyData(void *data, uint32_t size)
 315 {
 316     OIC_LOG(DEBUG, TAG, "CADestroyData IN");
 317     if ((size_t)size < sizeof(CAData_t))
 318     {
 319         OIC_LOG_V(ERROR, TAG, "Destroy data too small %p %d", data, size);
 320     }
 321     CAData_t *cadata = (CAData_t *) data;
 322
 323     if (NULL == cadata)
 324     {
 325         OIC_LOG(ERROR, TAG, "cadata is NULL");
 326         return;
 327     }
 328
 329     if (NULL != cadata->remoteEndpoint)
 330     {
 331         CAFreeEndpoint(cadata->remoteEndpoint);
 332     }
 333
 334     if (NULL != cadata->requestInfo)
 335     {
 336         CADestroyRequestInfoInternal((CARequestInfo_t *) cadata->requestInfo);
 337     }
 338
 339     if (NULL != cadata->responseInfo)
 340     {
 341         CADestroyResponseInfoInternal((CAResponseInfo_t *) cadata->responseInfo);
 342     }
 343
 344     if (NULL != cadata->errorInfo)
 345     {
 346         CADestroyErrorInfoInternal(cadata->errorInfo);
 347     }
 348
 349     OICFree(cadata);
 350     OIC_LOG(DEBUG, TAG, "CADestroyData OUT");
 351 }
 352
 353 #ifdef SINGLE_THREAD
 354 static void CAProcessReceivedData(CAData_t *data)
 355 {
 356     OIC_LOG(DEBUG, TAG, "CAProcessReceivedData IN");
 357     if (!data)
 358     {
 359         OIC_LOG(ERROR, TAG, "thread data error!!");
 360         return;
 361     }
 362
 363     // parse the data and call the callbacks.
 364     // #1 parse the data
 365     // #2 get endpoint
 366     CAEndpoint_t *rep = (CAEndpoint_t *)(data->remoteEndpoint);
 367     if (!rep)
 368     {
 369         OIC_LOG(ERROR, TAG, "remoteEndpoint error!!");
 370         return;
 371     }
 372
 373     if (data->requestInfo && g_requestHandler)
 374     {
 375         g_requestHandler(rep, data->requestInfo);
 376     }
 377     else if (data->responseInfo && g_responseHandler)
 378     {
 379         g_responseHandler(rep, data->responseInfo);
 380     }
 381     else if (data->errorInfo && g_errorHandler)
 382     {
 383         g_errorHandler(rep, data->errorInfo);
 384     }
 385
 386 #ifdef SINGLE_THREAD
 387     CADestroyData(data, sizeof(CAData_t));
 388 #endif
 389
 390     OIC_LOG(DEBUG, TAG, "CAProcessReceivedData OUT");
 391 }
 392 #endif
 393
 394 #ifndef SINGLE_THREAD
 395
 396 static void CAReceiveThreadProcess(void *threadData)
 397 {
 398     OIC_LOG(DEBUG, TAG, "IN");
 399 #ifndef SINGLE_HANDLE
 400     CAData_t *data = (CAData_t *) threadData;
 401     CAProcessReceivedData(data);
 402 #else
 403     (void)threadData;
 404 #endif
 405     OIC_LOG(DEBUG, TAG, "OUT");
 406 }
 407 #endif
 408
 409 static CAResult_t CAProcessSendData(const CAData_t *data)
 410 {
 411     OIC_LOG(DEBUG, TAG, "IN");
 412     VERIFY_NON_NULL(data, TAG, "data");
 413     VERIFY_NON_NULL(data->remoteEndpoint, TAG, "remoteEndpoint");
 414
 415     CAResult_t res = CA_STATUS_FAILED;
 416
 417     CASendDataType_t type = data->type;
 418
 419     coap_pdu_t *pdu = NULL;
 420     CAInfo_t *info = NULL;
 421
 422     if (SEND_TYPE_UNICAST == type)
 423     {
 424
 425         OIC_LOG(DEBUG,TAG,"Unicast message");
 426         if (NULL != data->requestInfo)
 427         {
 428             OIC_LOG(DEBUG, TAG, "requestInfo is available..");
 429
 430             info = &data->requestInfo->info;
 431             pdu = CAGeneratePDU(data->requestInfo->method, info, data->remoteEndpoint);
 432         }
 433         else if (NULL != data->responseInfo)
 434         {
 435             OIC_LOG(DEBUG, TAG, "responseInfo is available..");
 436
 437             info = &data->responseInfo->info;
 438             pdu = CAGeneratePDU(data->responseInfo->result, info, data->remoteEndpoint);
 439         }
 440         else
 441         {
 442             OIC_LOG(DEBUG, TAG, "request info, response info is empty");
 443             return CA_STATUS_INVALID_PARAM;
 444         }
 445
 446         // interface controller function call.
 447         if (NULL != pdu)
 448         {
 449 #ifdef WITH_BWT
 450             if (CA_ADAPTER_GATT_BTLE != data->remoteEndpoint->adapter
 451 #ifdef CI_ADAPTER
 452                     && CA_IPV4_TCP != data->remoteEndpoint->flags
 453 #endif
 454                     )
 455             {
 456                 // Blockwise transfer
 457                 if (NULL != info)
 458                 {
 459                     CAResult_t res = CAAddBlockOption(&pdu, *info,
 460                                                       data->remoteEndpoint);
 461                     if (CA_STATUS_OK != res)
 462                     {
 463                         OIC_LOG(INFO, TAG, "to write block option has failed");
 464                         CAErrorHandler(data->remoteEndpoint, pdu->hdr, pdu->length, res);
 465                         coap_delete_pdu(pdu);
 466                         return res;
 467                     }
 468                 }
 469             }
 470 #endif
 471             CALogPDUInfo(pdu, data->remoteEndpoint->flags);
 472
 473             res = CASendUnicastData(data->remoteEndpoint, pdu->hdr, pdu->length);
 474             if (CA_STATUS_OK != res)
 475             {
 476                 OIC_LOG_V(ERROR, TAG, "send failed:%d", res);
 477                 CAErrorHandler(data->remoteEndpoint, pdu->hdr, pdu->length, res);
 478                 coap_delete_pdu(pdu);
 479                 return res;
 480             }
 481
 482 #ifdef CI_ADAPTER
 483             if (CA_IPV4_TCP == data->remoteEndpoint->flags)
 484             {
 485                 OIC_LOG(INFO, TAG, "retransmission will be not worked");
 486             }
 487             else
 488 #endif
 489             {
 490                 // for retransmission
 491                 res = CARetransmissionSentData(&g_retransmissionContext, data->remoteEndpoint, pdu->hdr,
 492                                                pdu->length);
 493                 if ((CA_STATUS_OK != res) && (CA_NOT_SUPPORTED != res))
 494                 {
 495                     //when retransmission not supported this will return CA_NOT_SUPPORTED, ignore
 496                     OIC_LOG_V(INFO, TAG, "retransmission is not enabled due to error, res : %d", res);
 497                     coap_delete_pdu(pdu);
 498                     return res;
 499                 }
 500             }
 501
 502             coap_delete_pdu(pdu);
 503         }
 504         else
 505         {
 506             OIC_LOG(ERROR,TAG,"Failed to generate unicast PDU");
 507             CASendErrorInfo(data->remoteEndpoint, info, CA_SEND_FAILED);
 508             return CA_SEND_FAILED;
 509         }
 510     }
 511     else if (SEND_TYPE_MULTICAST == type)
 512     {
 513         OIC_LOG(DEBUG,TAG,"Multicast message");
 514         if (NULL != data->requestInfo)
 515         {
 516             OIC_LOG(DEBUG, TAG, "requestInfo is available..");
 517
 518             info = &data->requestInfo->info;
 519             pdu = CAGeneratePDU(CA_GET, info, data->remoteEndpoint);
 520             if (NULL != pdu)
 521             {
 522 #ifdef WITH_BWT
 523                 if (CA_ADAPTER_GATT_BTLE != data->remoteEndpoint->adapter
 524 #ifdef CI_ADAPTER
 525                         && CA_IPV4_TCP != data->remoteEndpoint->flags
 526 #endif
 527                         )
 528                 {
 529                     // Blockwise transfer
 530                     CAResult_t res = CAAddBlockOption(&pdu, data->requestInfo->info,
 531                                                       data->remoteEndpoint);
 532                     if (CA_STATUS_OK != res)
 533                     {
 534                         OIC_LOG(DEBUG, TAG, "CAAddBlockOption has failed");
 535                         CAErrorHandler(data->remoteEndpoint, pdu->hdr, pdu->length, res);
 536                         coap_delete_pdu(pdu);
 537                         return res;
 538                     }
 539                 }
 540 #endif
 541             }
 542             else
 543             {
 544                 OIC_LOG(ERROR,TAG,"Failed to generate multicast PDU");
 545                 CASendErrorInfo(data->remoteEndpoint, info, CA_SEND_FAILED);
 546                 return CA_SEND_FAILED;
 547             }
 548         }
 549         else if (NULL != data->responseInfo)
 550         {
 551             OIC_LOG(DEBUG, TAG, "responseInfo is available..");
 552
 553             info = &data->responseInfo->info;
 554             pdu = CAGeneratePDU(data->responseInfo->result, info, data->remoteEndpoint);
 555
 556             if (NULL != pdu)
 557             {
 558 #ifdef WITH_BWT
 559                 if (CA_ADAPTER_GATT_BTLE != data->remoteEndpoint->adapter
 560 #ifdef CI_ADAPTER
 561                         && CA_IPV4_TCP != data->remoteEndpoint->flags
 562 #endif
 563                         )
 564                 {
 565                     // Blockwise transfer
 566                     if (NULL != info)
 567                     {
 568                         CAResult_t res = CAAddBlockOption(&pdu, *info,
 569                                 data->remoteEndpoint);
 570                         if (CA_STATUS_OK != res)
 571                         {
 572                             OIC_LOG(INFO, TAG, "to write block option has failed");
 573                             CAErrorHandler(data->remoteEndpoint, pdu->hdr, pdu->length, res);
 574                             coap_delete_pdu(pdu);
 575                             return res;
 576                         }
 577                     }
 578                 }
 579 #endif
 580             }
 581             else
 582             {
 583                 OIC_LOG(ERROR,TAG,"Failed to generate multicast PDU");
 584                 CASendErrorInfo(data->remoteEndpoint, info, CA_SEND_FAILED);
 585                 return CA_SEND_FAILED;
 586             }
 587         }
 588         else
 589         {
 590             OIC_LOG(ERROR, TAG, "request or response info is empty");
 591             return CA_SEND_FAILED;
 592         }
 593
 594         CALogPDUInfo(pdu, data->remoteEndpoint->flags);
 595
 596         OIC_LOG(DEBUG, TAG, "pdu to send :");
 597         OIC_LOG_BUFFER(DEBUG, TAG,  pdu->hdr, pdu->length);
 598
 599         res = CASendMulticastData(data->remoteEndpoint, pdu->hdr, pdu->length);
 600         if (CA_STATUS_OK != res)
 601         {
 602             OIC_LOG_V(ERROR, TAG, "send failed:%d", res);
 603             CAErrorHandler(data->remoteEndpoint, pdu->hdr, pdu->length, res);
 604             coap_delete_pdu(pdu);
 605             return res;
 606         }
 607
 608         coap_delete_pdu(pdu);
 609     }
 610
 611     return CA_STATUS_OK;
 612 }
 613
 614 #ifndef SINGLE_THREAD
 615 static void CASendThreadProcess(void *threadData)
 616 {
 617     CAData_t *data = (CAData_t *) threadData;
 618     CAProcessSendData(data);
 619 }
 620
 621 #endif
 622
 623 /*
 624  * If a second message arrives with the same token and the other address
 625  * family, drop it.  Typically, IPv6 beats IPv4, so the IPv4 message is dropped.
 626  */
 627 static bool CADropSecondMessage(CAHistory_t *history, const CAEndpoint_t *ep, uint16_t id)
 628 {
 629     if (!ep)
 630     {
 631         return true;
 632     }
 633     if (ep->adapter != CA_ADAPTER_IP)
 634     {
 635         return false;
 636     }
 637     if (!caglobals.ip.dualstack)
 638     {
 639         return false;
 640     }
 641
 642     bool ret = false;
 643     CATransportFlags_t familyFlags = ep->flags & CA_IPFAMILY_MASK;
 644
 645     for (size_t i = 0; i < sizeof(history->items) / sizeof(history->items[0]); i++)
 646     {
 647         CAHistoryItem_t *item = &(history->items[i]);
 648         if (id == item->messageId)
 649         {
 650             if ((familyFlags ^ item->flags) == CA_IPFAMILY_MASK)
 651             {
 652                 OIC_LOG_V(INFO, TAG, "IPv%c duplicate message ignored",
 653                                             familyFlags & CA_IPV6 ? '6' : '4');
 654                 ret = true;
 655                 break;
 656             }
 657         }
 658     }
 659
 660     history->items[history->nextIndex].flags = familyFlags;
 661     history->items[history->nextIndex].messageId = id;
 662     if (++history->nextIndex >= HISTORYSIZE)
 663     {
 664         history->nextIndex = 0;
 665     }
 666
 667     return ret;
 668 }
 669
 670 static void CAReceivedPacketCallback(const CASecureEndpoint_t *sep,
 671                                      const void *data, uint32_t dataLen)
 672 {
 673     OIC_LOG(DEBUG, TAG, "IN");
 674     VERIFY_NON_NULL_VOID(sep, TAG, "remoteEndpoint");
 675     VERIFY_NON_NULL_VOID(data, TAG, "data");
 676
 677     OIC_LOG(DEBUG, TAG, "received pdu data :");
 678     OIC_LOG_BUFFER(DEBUG, TAG,  data, dataLen);
 679
 680     uint32_t code = CA_NOT_FOUND;
 681     CAData_t *cadata = NULL;
 682
 683     coap_pdu_t *pdu = (coap_pdu_t *) CAParsePDU((const char *) data, dataLen, &code,
 684                                                 sep->endpoint.flags);
 685     if (NULL == pdu)
 686     {
 687         OIC_LOG(ERROR, TAG, "Parse PDU failed");
 688         return;
 689     }
 690
 691     OIC_LOG_V(DEBUG, TAG, "code = %d", code);
 692     if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
 693     {
 694         cadata = CAGenerateHandlerData(&(sep->endpoint), &(sep->identity), pdu, CA_REQUEST_DATA);
 695         if (!cadata)
 696         {
 697             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, CAGenerateHandlerData failed!");
 698             coap_delete_pdu(pdu);
 699             return;
 700         }
 701     }
 702     else
 703     {
 704         cadata = CAGenerateHandlerData(&(sep->endpoint), &(sep->identity), pdu, CA_RESPONSE_DATA);
 705         if (!cadata)
 706         {
 707             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, CAGenerateHandlerData failed!");
 708             coap_delete_pdu(pdu);
 709             return;
 710         }
 711
 712 #ifdef CI_ADAPTER
 713         if (CA_IPV4_TCP == sep->endpoint.flags)
 714         {
 715             OIC_LOG(INFO, TAG, "retransmission will be not worked");
 716         }
 717         else
 718 #endif
 719         {
 720             // for retransmission
 721             void *retransmissionPdu = NULL;
 722             CARetransmissionReceivedData(&g_retransmissionContext, cadata->remoteEndpoint, pdu->hdr,
 723                                          pdu->length, &retransmissionPdu);
 724
 725             // get token from saved data in retransmission list
 726             if (retransmissionPdu && CA_EMPTY == code)
 727             {
 728                 if (cadata->responseInfo)
 729                 {
 730                     CAInfo_t *info = &cadata->responseInfo->info;
 731                     CAResult_t res = CAGetTokenFromPDU((const coap_hdr_t *)retransmissionPdu,
 732                                                        info, sep->endpoint.flags);
 733                     if (CA_STATUS_OK != res)
 734                     {
 735                         OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
 736                         OICFree(info->token);
 737                         info->tokenLength = 0;
 738                     }
 739                 }
 740             }
 741             OICFree(retransmissionPdu);
 742         }
 743     }
 744
 745     cadata->type = SEND_TYPE_UNICAST;
 746
 747 #ifdef SINGLE_THREAD
 748     CAProcessReceivedData(cadata);
 749 #else
 750 #ifdef WITH_BWT
 751     if (CA_ADAPTER_GATT_BTLE != sep->endpoint.adapter
 752 #ifdef CI_ADAPTER
 753             && CA_IPV4_TCP != sep->endpoint.flags
 754 #endif
 755             )
 756     {
 757         CAResult_t res = CAReceiveBlockWiseData(pdu, &(sep->endpoint), cadata, dataLen);
 758         if (CA_NOT_SUPPORTED == res)
 759         {
 760             OIC_LOG(ERROR, TAG, "this message does not have block option");
 761             CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
 762         }
 763         else
 764         {
 765             CADestroyData(cadata, sizeof(CAData_t));
 766         }
 767     }
 768     else
 769 #endif
 770     {
 771         CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
 772     }
 773 #endif
 774
 775     coap_delete_pdu(pdu);
 776
 777     OIC_LOG(DEBUG, TAG, "OUT");
 778 }
 779
 780 static void CANetworkChangedCallback(const CAEndpoint_t *info, CANetworkStatus_t status)
 781 {
 782     (void)info;
 783     (void)status;
 784     OIC_LOG(DEBUG, TAG, "IN");
 785
 786     OIC_LOG(DEBUG, TAG, "OUT");
 787 }
 788
 789 void CAHandleRequestResponseCallbacks()
 790 {
 791 #ifdef SINGLE_THREAD
 792     CAReadData();
 793     CARetransmissionBaseRoutine((void *)&g_retransmissionContext);
 794 #else
 795 #ifdef SINGLE_HANDLE
 796     // parse the data and call the callbacks.
 797     // #1 parse the data
 798     // #2 get endpoint
 799
 800     ca_mutex_lock(g_receiveThread.threadMutex);
 801
 802     u_queue_message_t *item = u_queue_get_element(g_receiveThread.dataQueue);
 803
 804     ca_mutex_unlock(g_receiveThread.threadMutex);
 805
 806     if (NULL == item)
 807     {
 808         return;
 809     }
 810
 811     // get values
 812     void *msg = item->msg;
 813
 814     if (NULL == msg)
 815     {
 816         return;
 817     }
 818
 819     // get endpoint
 820     CAData_t *td = (CAData_t *) msg;
 821
 822     if (td->requestInfo && g_requestHandler)
 823     {
 824         OIC_LOG_V(DEBUG, TAG, "request callback : %d", td->requestInfo->info.numOptions);
 825         g_requestHandler(td->remoteEndpoint, td->requestInfo);
 826     }
 827     else if (td->responseInfo && g_responseHandler)
 828     {
 829         OIC_LOG_V(DEBUG, TAG, "response callback : %d", td->responseInfo->info.numOptions);
 830         g_responseHandler(td->remoteEndpoint, td->responseInfo);
 831     }
 832     else if (td->errorInfo && g_errorHandler)
 833     {
 834         OIC_LOG_V(DEBUG, TAG, "error callback error: %d", td->errorInfo->result);
 835         g_errorHandler(td->remoteEndpoint, td->errorInfo);
 836     }
 837
 838     CADestroyData(msg, sizeof(CAData_t));
 839     OICFree(item);
 840
 841 #endif /* SINGLE_HANDLE */
 842 #endif
 843 }
 844
 845 static CAData_t* CAPrepareSendData(const CAEndpoint_t *endpoint, const void *sendData,
 846                                    CADataType_t dataType)
 847 {
 848     OIC_LOG(DEBUG, TAG, "CAPrepareSendData IN");
 849
 850     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 851     if (!cadata)
 852     {
 853         OIC_LOG(ERROR, TAG, "memory allocation failed");
 854         return NULL;
 855     }
 856
 857     if(CA_REQUEST_DATA == dataType)
 858     {
 859         // clone request info
 860         CARequestInfo_t *request = CACloneRequestInfo((CARequestInfo_t *)sendData);
 861
 862         if(!request)
 863         {
 864             OIC_LOG(ERROR, TAG, "CACloneRequestInfo failed");
 865             OICFree(cadata);
 866             return NULL;
 867         }
 868
 869         cadata->type = request->isMulticast ? SEND_TYPE_MULTICAST : SEND_TYPE_UNICAST;
 870         cadata->requestInfo =  request;
 871     }
 872     else if(CA_RESPONSE_DATA == dataType)
 873     {
 874         // clone response info
 875         CAResponseInfo_t *response = CACloneResponseInfo((CAResponseInfo_t *)sendData);
 876
 877         if(!response)
 878         {
 879             OIC_LOG(ERROR, TAG, "CACloneResponseInfo failed");
 880             OICFree(cadata);
 881             return NULL;
 882         }
 883
 884         cadata->type = response->isMulticast ? SEND_TYPE_MULTICAST : SEND_TYPE_UNICAST;
 885         cadata->responseInfo = response;
 886     }
 887     else
 888     {
 889         OIC_LOG(ERROR, TAG, "CAPrepareSendData unknown data type");
 890         OICFree(cadata);
 891         return NULL;
 892     }
 893
 894     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
 895     if (!ep)
 896     {
 897         OIC_LOG(ERROR, TAG, "endpoint clone failed");
 898         CADestroyData(cadata, sizeof(CAData_t));
 899         return NULL;
 900     }
 901
 902     cadata->remoteEndpoint = ep;
 903     cadata->dataType = dataType;
 904     return cadata;
 905 }
 906
 907 CAResult_t CADetachRequestMessage(const CAEndpoint_t *object, const CARequestInfo_t *request)
 908 {
 909     OIC_LOG(DEBUG, TAG, "IN");
 910
 911     VERIFY_NON_NULL(object, TAG, "object");
 912     VERIFY_NON_NULL(request, TAG, "request");
 913
 914     if (false == CAIsSelectedNetworkAvailable())
 915     {
 916         return CA_STATUS_FAILED;
 917     }
 918
 919 #ifdef ARDUINO
 920     // If max retransmission queue is reached, then don't handle new request
 921     if (CA_MAX_RT_ARRAY_SIZE == u_arraylist_length(g_retransmissionContext.dataList))
 922     {
 923         OIC_LOG(ERROR, TAG, "max RT queue size reached!");
 924         return CA_SEND_FAILED;
 925     }
 926 #endif /* ARDUINO */
 927
 928     CAData_t *data = CAPrepareSendData(object, request, CA_REQUEST_DATA);
 929     if(!data)
 930     {
 931         OIC_LOG(ERROR, TAG, "CAPrepareSendData failed");
 932         return CA_MEMORY_ALLOC_FAILED;
 933     }
 934
 935 #ifdef SINGLE_THREAD
 936     CAResult_t result = CAProcessSendData(data);
 937     if(CA_STATUS_OK != result)
 938     {
 939         OIC_LOG(ERROR, TAG, "CAProcessSendData failed");
 940         return result;
 941     }
 942
 943     CADestroyData(data, sizeof(CAData_t));
 944 #else
 945 #ifdef WITH_BWT
 946     if (CA_ADAPTER_GATT_BTLE != object->adapter
 947 #ifdef CI_ADAPTER
 948             && CA_IPV4_TCP != object->flags
 949 #endif
 950             )
 951     {
 952         // send block data
 953         CAResult_t res = CASendBlockWiseData(data);
 954         if(CA_NOT_SUPPORTED == res)
 955         {
 956             OIC_LOG(DEBUG, TAG, "normal msg will be sent");
 957             CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
 958             return CA_STATUS_OK;
 959         }
 960         else
 961         {
 962             CADestroyData(data, sizeof(CAData_t));
 963         }
 964         return res;
 965     }
 966     else
 967 #endif
 968     {
 969         CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
 970     }
 971 #endif
 972
 973     OIC_LOG(DEBUG, TAG, "OUT");
 974     return CA_STATUS_OK;
 975 }
 976
 977 CAResult_t CADetachResponseMessage(const CAEndpoint_t *object,
 978                                    const CAResponseInfo_t *response)
 979 {
 980     OIC_LOG(DEBUG, TAG, "IN");
 981     VERIFY_NON_NULL(object, TAG, "object");
 982     VERIFY_NON_NULL(response, TAG, "response");
 983
 984     if (false == CAIsSelectedNetworkAvailable())
 985     {
 986         return CA_STATUS_FAILED;
 987     }
 988
 989     CAData_t *data = CAPrepareSendData(object, response, CA_RESPONSE_DATA);
 990     if(!data)
 991     {
 992         OIC_LOG(ERROR, TAG, "CAPrepareSendData failed");
 993         return CA_MEMORY_ALLOC_FAILED;
 994     }
 995
 996 #ifdef SINGLE_THREAD
 997     CAResult_t result = CAProcessSendData(data);
 998     if(result != CA_STATUS_OK)
 999     {
1000         OIC_LOG(ERROR, TAG, "CAProcessSendData failed");
1001         return result;
1002     }
1003
1004     CADestroyData(data, sizeof(CAData_t));
1005 #else
1006 #ifdef WITH_BWT
1007     if (CA_ADAPTER_GATT_BTLE != object->adapter
1008 #ifdef CI_ADAPTER
1009             && CA_IPV4_TCP != object->flags
1010 #endif
1011             )
1012     {
1013         // send block data
1014         CAResult_t res = CASendBlockWiseData(data);
1015         if(CA_NOT_SUPPORTED == res)
1016         {
1017             OIC_LOG(DEBUG, TAG, "normal msg will be sent");
1018             CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
1019             return CA_STATUS_OK;
1020         }
1021         else
1022         {
1023             CADestroyData(data, sizeof(CAData_t));
1024         }
1025         return res;
1026     }
1027     else
1028 #endif
1029     {
1030         CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
1031     }
1032 #endif
1033
1034     OIC_LOG(DEBUG, TAG, "OUT");
1035     return CA_STATUS_OK;
1036 }
1037
1038 CAResult_t CADetachMessageResourceUri(const CAURI_t resourceUri, const CAToken_t token,
1039                                       uint8_t tokenLength, const CAHeaderOption_t *options,
1040                                       uint8_t numOptions)
1041 {
1042     (void)resourceUri;
1043     (void)token;
1044     (void)tokenLength;
1045     (void)options;
1046     (void)numOptions;
1047     return CA_NOT_SUPPORTED;
1048 }
1049
1050 void CASetInterfaceCallbacks(CARequestCallback ReqHandler, CAResponseCallback RespHandler,
1051                              CAErrorCallback errorHandler)
1052 {
1053     OIC_LOG(DEBUG, TAG, "IN");
1054     g_requestHandler = ReqHandler;
1055     g_responseHandler = RespHandler;
1056     g_errorHandler = errorHandler;
1057     OIC_LOG(DEBUG, TAG, "OUT");
1058 }
1059
1060 CAResult_t CAInitializeMessageHandler()
1061 {
1062     OIC_LOG(DEBUG, TAG, "IN");
1063     CASetPacketReceivedCallback(CAReceivedPacketCallback);
1064
1065     CASetNetworkChangeCallback(CANetworkChangedCallback);
1066     CASetErrorHandleCallback(CAErrorHandler);
1067
1068 #ifndef SINGLE_THREAD
1069     // create thread pool
1070     CAResult_t res = ca_thread_pool_init(MAX_THREAD_POOL_SIZE, &g_threadPoolHandle);
1071
1072     if (CA_STATUS_OK != res)
1073     {
1074         OIC_LOG(ERROR, TAG, "thread pool initialize error.");
1075         return res;
1076     }
1077
1078     // send thread initialize
1079     if (CA_STATUS_OK != CAQueueingThreadInitialize(&g_sendThread, g_threadPoolHandle,
1080                                                    CASendThreadProcess, CADestroyData))
1081     {
1082         OIC_LOG(ERROR, TAG, "Failed to Initialize send queue thread");
1083         return CA_STATUS_FAILED;
1084     }
1085
1086     // start send thread
1087     res = CAQueueingThreadStart(&g_sendThread);
1088
1089     if (CA_STATUS_OK != res)
1090     {
1091         OIC_LOG(ERROR, TAG, "thread start error(send thread).");
1092         ca_thread_pool_free(g_threadPoolHandle);
1093         g_threadPoolHandle = NULL;
1094         return res;
1095     }
1096
1097     // receive thread initialize
1098     if (CA_STATUS_OK != CAQueueingThreadInitialize(&g_receiveThread, g_threadPoolHandle,
1099                                                    CAReceiveThreadProcess, CADestroyData))
1100     {
1101         OIC_LOG(ERROR, TAG, "Failed to Initialize receive queue thread");
1102         return CA_STATUS_FAILED;
1103     }
1104
1105 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
1106     // start receive thread
1107     res = CAQueueingThreadStart(&gReceiveThread);
1108
1109     if (res != CA_STATUS_OK)
1110     {
1111         OIC_LOG(ERROR, TAG, "thread start error(receive thread).");
1112         return res;
1113     }
1114 #endif /* SINGLE_HANDLE */
1115
1116     // retransmission initialize
1117     CARetransmissionInitialize(&g_retransmissionContext, g_threadPoolHandle, CASendUnicastData,
1118                                CATimeoutCallback, NULL);
1119
1120 #ifdef WITH_BWT
1121     // block-wise transfer initialize
1122     CAInitializeBlockWiseTransfer(CAAddDataToSendThread, CAAddDataToReceiveThread);
1123 #endif
1124
1125     // start retransmission
1126     res = CARetransmissionStart(&g_retransmissionContext);
1127
1128     if (CA_STATUS_OK != res)
1129     {
1130         OIC_LOG(ERROR, TAG, "thread start error(retransmission thread).");
1131         return res;
1132     }
1133
1134     // initialize interface adapters by controller
1135     CAInitializeAdapters(g_threadPoolHandle);
1136 #else
1137     // retransmission initialize
1138     CARetransmissionInitialize(&g_retransmissionContext, NULL, CASendUnicastData,
1139                                CATimeoutCallback, NULL);
1140     CAInitializeAdapters();
1141 #endif
1142
1143     OIC_LOG(DEBUG, TAG, "OUT");
1144     return CA_STATUS_OK;
1145 }
1146
1147 void CATerminateMessageHandler()
1148 {
1149     OIC_LOG(DEBUG, TAG, "IN");
1150 #ifndef SINGLE_THREAD
1151     CATransportAdapter_t connType;
1152     u_arraylist_t *list = CAGetSelectedNetworkList();
1153     uint32_t length = u_arraylist_length(list);
1154
1155     uint32_t i = 0;
1156     for (i = 0; i < length; i++)
1157     {
1158         void* ptrType = u_arraylist_get(list, i);
1159
1160         if (NULL == ptrType)
1161         {
1162             continue;
1163         }
1164
1165         connType = *(CATransportAdapter_t *)ptrType;
1166         CAStopAdapter(connType);
1167     }
1168
1169     // stop retransmission
1170     if (NULL != g_retransmissionContext.threadMutex)
1171     {
1172         CARetransmissionStop(&g_retransmissionContext);
1173     }
1174
1175     // stop thread
1176     // delete thread data
1177     if (NULL != g_sendThread.threadMutex)
1178     {
1179         CAQueueingThreadStop(&g_sendThread);
1180     }
1181
1182     // stop thread
1183     // delete thread data
1184     if (NULL != g_receiveThread.threadMutex)
1185     {
1186 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
1187         CAQueueingThreadStop(&gReceiveThread);
1188 #endif /* SINGLE_HANDLE */
1189     }
1190
1191     // destroy thread pool
1192     if (NULL != g_threadPoolHandle)
1193     {
1194         ca_thread_pool_free(g_threadPoolHandle);
1195         g_threadPoolHandle = NULL;
1196     }
1197
1198 #ifdef WITH_BWT
1199     CATerminateBlockWiseTransfer();
1200 #endif
1201     CARetransmissionDestroy(&g_retransmissionContext);
1202     CAQueueingThreadDestroy(&g_sendThread);
1203     CAQueueingThreadDestroy(&g_receiveThread);
1204
1205     // terminate interface adapters by controller
1206     CATerminateAdapters();
1207 #else
1208     // terminate interface adapters by controller
1209     CATerminateAdapters();
1210
1211     // stop retransmission
1212     CARetransmissionStop(&g_retransmissionContext);
1213     CARetransmissionDestroy(&g_retransmissionContext);
1214 #endif
1215
1216     OIC_LOG(DEBUG, TAG, "OUT");
1217 }
1218
1219 void CALogPDUInfo(coap_pdu_t *pdu, CATransportFlags_t flags)
1220 {
1221     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
1222
1223     OIC_LOG_V(DEBUG, TAG, "PDU Maker - payload : %s", pdu->data);
1224
1225 #ifdef CI_ADAPTER
1226     if (CA_IPV4_TCP != flags)
1227     {
1228         OIC_LOG(DEBUG, TAG, "pdu headert data :");
1229         OIC_LOG_BUFFER(DEBUG, TAG,  pdu->hdr, pdu->length);
1230     }
1231     else
1232 #endif
1233     {
1234         OIC_LOG_V(DEBUG, TAG, "PDU Maker - type : %d", pdu->hdr->coap_hdr_udp_t.type);
1235
1236         OIC_LOG_V(DEBUG, TAG, "PDU Maker - code : %d", pdu->hdr->coap_hdr_udp_t.code);
1237
1238         OIC_LOG(DEBUG, TAG, "PDU Maker - token :");
1239
1240         OIC_LOG_BUFFER(DEBUG, TAG, pdu->hdr->coap_hdr_udp_t.token,
1241                        pdu->hdr->coap_hdr_udp_t.token_length);
1242     }
1243 }
1244
1245 static void CALogPayloadInfo(CAInfo_t *info)
1246 {
1247     if(info)
1248     {
1249         if (info->options)
1250         {
1251             for (uint32_t i = 0; i < info->numOptions; i++)
1252             {
1253                 OIC_LOG_V(DEBUG, TAG, "optionID: %d", info->options[i].optionID);
1254
1255                 OIC_LOG_V(DEBUG, TAG, "list: %s", info->options[i].optionData);
1256             }
1257         }
1258
1259         if (info->payload)
1260         {
1261             OIC_LOG_V(DEBUG, TAG, "payload: %p(%u)", info->payload,
1262                       info->payloadSize);
1263         }
1264
1265         if (info->token)
1266         {
1267             OIC_LOG(DEBUG, TAG, "token:");
1268             OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *) info->token,
1269                            info->tokenLength);
1270         }
1271         OIC_LOG_V(DEBUG, TAG, "msgID: %d", info->messageId);
1272     }
1273     else
1274     {
1275         OIC_LOG(DEBUG, TAG, "info is NULL, cannot output log data");
1276     }
1277 }
1278
1279 void CAErrorHandler(const CAEndpoint_t *endpoint,
1280                     const void *data, uint32_t dataLen,
1281                     CAResult_t result)
1282 {
1283     OIC_LOG(DEBUG, TAG, "CAErrorHandler IN");
1284
1285 #ifndef SINGLE_THREAD
1286
1287     VERIFY_NON_NULL_VOID(endpoint, TAG, "remoteEndpoint");
1288     VERIFY_NON_NULL_VOID(data, TAG, "data");
1289
1290     uint32_t code = CA_NOT_FOUND;
1291     //Do not free remoteEndpoint and data. Currently they will be freed in data thread
1292     //Get PDU data
1293     coap_pdu_t *pdu = (coap_pdu_t *)CAParsePDU((const char *)data, dataLen, &code, endpoint->flags);
1294     if (NULL == pdu)
1295     {
1296         OIC_LOG(ERROR, TAG, "Parse PDU failed");
1297         return;
1298     }
1299
1300     CAData_t *cadata = CAGenerateHandlerData(endpoint, NULL, pdu, CA_ERROR_DATA);
1301     if(!cadata)
1302     {
1303         OIC_LOG(ERROR, TAG, "CAErrorHandler, CAGenerateHandlerData failed!");
1304         coap_delete_pdu(pdu);
1305         return;
1306     }
1307
1308     cadata->errorInfo->result = result;
1309
1310     CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
1311     coap_delete_pdu(pdu);
1312 #endif
1313
1314     OIC_LOG(DEBUG, TAG, "CAErrorHandler OUT");
1315     return;
1316 }
1317
1318 static void CASendErrorInfo(const CAEndpoint_t *endpoint, const CAInfo_t *info, CAResult_t result)
1319 {
1320     OIC_LOG(DEBUG, TAG, "CASendErrorInfo IN");
1321 #ifndef SINGLE_THREAD
1322     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
1323     if (!cadata)
1324     {
1325         OIC_LOG(ERROR, TAG, "memory allocation failed");
1326         return;
1327     }
1328
1329     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
1330     if (!ep)
1331     {
1332         OIC_LOG(ERROR, TAG, "endpoint clone failed");
1333         OICFree(cadata);
1334         return;
1335     }
1336
1337     CAErrorInfo_t *errorInfo = (CAErrorInfo_t *)OICCalloc(1, sizeof (CAErrorInfo_t));
1338     if (!errorInfo)
1339     {
1340         OICFree(cadata);
1341         CAFreeEndpoint(ep);
1342         return;
1343     }
1344
1345     CAResult_t res = CACloneInfo(info, &errorInfo->info);
1346     if (CA_STATUS_OK != res)
1347     {
1348         OICFree(cadata);
1349         CAFreeEndpoint(ep);
1350         return;
1351     }
1352
1353     errorInfo->result = result;
1354     cadata->remoteEndpoint = ep;
1355     cadata->errorInfo = errorInfo;
1356     cadata->dataType = CA_ERROR_DATA;
1357
1358     CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
1359 #endif
1360     OIC_LOG(DEBUG, TAG, "CASendErrorInfo OUT");
1361 }