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 "trace.h"
  32 #ifndef WITH_UPSTREAM_LIBCOAP
  33 #include "coap/config.h"
  34 #endif
  35 #include "oic_malloc.h"
  36 #include "canetworkconfigurator.h"
  37 #include "caadapterutils.h"
  38 #include "cainterfacecontroller.h"
  39 #include "caretransmission.h"
  40 #include "oic_string.h"
  41
  42 #ifdef WITH_BWT
  43 #include "cablockwisetransfer.h"
  44 #endif
  45
  46 #ifndef  SINGLE_THREAD
  47 #include "uqueue.h"
  48 #include "cathreadpool.h" /* for thread pool */
  49 #include "caqueueingthread.h"
  50
  51 #define SINGLE_HANDLE
  52 #define MAX_THREAD_POOL_SIZE    20
  53
  54 #define UNUSED(x) (void)(x)
  55
  56 // thread pool handle
  57 static ca_thread_pool_t g_threadPoolHandle = NULL;
  58
  59 // message handler main thread
  60 static CAQueueingThread_t g_sendThread;
  61 static CAQueueingThread_t g_receiveThread;
  62
  63 #ifdef WITH_PROCESS_EVENT
  64 static oc_event g_processEvent = NULL;
  65 #endif // WITH_PROCESS_EVENT
  66
  67 #else
  68 #define CA_MAX_RT_ARRAY_SIZE    3
  69 #endif  // SINGLE_THREAD
  70
  71 #define TAG "OIC_CA_MSG_HANDLE"
  72
  73 static CARetransmission_t g_retransmissionContext;
  74
  75 // handler field
  76 static CARequestCallback g_requestHandler = NULL;
  77 static CAResponseCallback g_responseHandler = NULL;
  78 static CAErrorCallback g_errorHandler = NULL;
  79 static CANetworkMonitorCallback g_nwMonitorHandler = NULL;
  80
  81 static void CAErrorHandler(const CAEndpoint_t *endpoint,
  82                            const void *data, uint32_t dataLen,
  83                            CAResult_t result);
  84
  85 static CAData_t* CAGenerateHandlerData(const CAEndpoint_t *endpoint,
  86                                        const CARemoteId_t *identity,
  87                                        const void *data, CADataType_t dataType);
  88
  89 static void CASendErrorInfo(const CAEndpoint_t *endpoint, const CAInfo_t *info,
  90                             CAResult_t result);
  91
  92 #ifdef SINGLE_THREAD
  93 static void CAProcessReceivedData(CAData_t *data);
  94 #endif
  95 static void CADestroyData(void *data, uint32_t size);
  96 static void CALogPayloadInfo(CAInfo_t *info);
  97 static bool CADropSecondMessage(CAHistory_t *history, const CAEndpoint_t *endpoint, uint16_t id,
  98                                 CAToken_t token, uint8_t tokenLength);
  99
 100 /**
 101  * print send / receive message of CoAP.
 102  * @param[in] data      CA information which has send/receive message and endpoint.
 103  * @param[in] pdu       CoAP pdu low data.
 104  */
 105 static void CALogPDUInfo(const CAData_t *data, const coap_pdu_t *pdu);
 106
 107 #ifndef ARDUINO
 108 static char g_headerBuffer[MAX_LOG_BUFFER_SIZE] = {0};
 109 static size_t g_headerIndex = 0;
 110 static void CASamsungLogMessage(const CAData_t *data, const coap_pdu_t *pdu);
 111 #endif
 112
 113 #ifdef WITH_BWT
 114 void CAAddDataToSendThread(CAData_t *data)
 115 {
 116     VERIFY_NON_NULL_VOID(data, TAG, "data");
 117
 118     // add thread
 119     CAResult_t result = CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t), true);
 120     if (result != CA_STATUS_OK)
 121     {
 122         OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
 123         CADestroyData(data, sizeof(CAData_t));
 124     }
 125 }
 126
 127 void CAAddDataToReceiveThread(CAData_t *data)
 128 {
 129     VERIFY_NON_NULL_VOID(data, TAG, "data");
 130
 131     // add thread
 132     CAResult_t result = CAQueueingThreadAddData(&g_receiveThread, data, sizeof(CAData_t), false);
 133     if (result != CA_STATUS_OK)
 134     {
 135         OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
 136         CADestroyData(data, sizeof(CAData_t));
 137         return;
 138     }
 139
 140 #ifdef WITH_PROCESS_EVENT
 141     if (g_processEvent)
 142     {
 143         oc_event_signal(g_processEvent);
 144     }
 145 #endif
 146 }
 147 #endif
 148
 149 static bool CAIsSelectedNetworkAvailable()
 150 {
 151     u_arraylist_t *list = CAGetSelectedNetworkList();
 152     if (!list || u_arraylist_length(list) == 0)
 153     {
 154         OIC_LOG(ERROR, TAG, "No selected network");
 155         return false;
 156     }
 157
 158     return true;
 159 }
 160
 161 static CAData_t* CAGenerateHandlerData(const CAEndpoint_t *endpoint,
 162                                        const CARemoteId_t *identity,
 163                                        const void *data, CADataType_t dataType)
 164 {
 165     OIC_LOG(DEBUG, TAG, "CAGenerateHandlerData IN");
 166     CAInfo_t *info = NULL;
 167     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 168     if (!cadata)
 169     {
 170         OIC_LOG(ERROR, TAG, "memory allocation failed");
 171         return NULL;
 172     }
 173 #ifdef SINGLE_THREAD
 174     CAEndpoint_t* ep = endpoint;
 175 #else
 176     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
 177     if (!ep)
 178     {
 179         OIC_LOG(ERROR, TAG, "endpoint clone failed");
 180         goto exit;
 181     }
 182 #endif
 183
 184     OIC_LOG_V(DEBUG, TAG, "address : %s", ep->addr);
 185
 186     if (CA_RESPONSE_DATA == dataType)
 187     {
 188         CAResponseInfo_t* resInfo = (CAResponseInfo_t*)OICCalloc(1, sizeof(CAResponseInfo_t));
 189         if (!resInfo)
 190         {
 191             OIC_LOG(ERROR, TAG, "memory allocation failed");
 192             goto exit;
 193         }
 194
 195         CAResult_t result = CAGetResponseInfoFromPDU(data, resInfo, endpoint);
 196         if (CA_STATUS_OK != result)
 197         {
 198             OIC_LOG(ERROR, TAG, "CAGetResponseInfoFromPDU Failed");
 199             CADestroyResponseInfoInternal(resInfo);
 200             goto exit;
 201         }
 202         cadata->responseInfo = resInfo;
 203         info = &resInfo->info;
 204         if (identity)
 205         {
 206             info->identity = *identity;
 207         }
 208         OIC_LOG(DEBUG, TAG, "Response Info :");
 209         CALogPayloadInfo(info);
 210     }
 211     else if (CA_REQUEST_DATA == dataType)
 212     {
 213         CARequestInfo_t* reqInfo = (CARequestInfo_t*)OICCalloc(1, sizeof(CARequestInfo_t));
 214         if (!reqInfo)
 215         {
 216             OIC_LOG(ERROR, TAG, "memory allocation failed");
 217             goto exit;
 218         }
 219
 220         CAResult_t result = CAGetRequestInfoFromPDU(data, endpoint, reqInfo);
 221         if (CA_STATUS_OK != result)
 222         {
 223             OIC_LOG(ERROR, TAG, "CAGetRequestInfoFromPDU failed");
 224             CADestroyRequestInfoInternal(reqInfo);
 225             goto exit;
 226         }
 227
 228         if ((reqInfo->info.type != CA_MSG_CONFIRM) &&
 229             CADropSecondMessage(&caglobals.ca.requestHistory, endpoint, reqInfo->info.messageId,
 230                                 reqInfo->info.token, reqInfo->info.tokenLength))
 231         {
 232             OIC_LOG(INFO, TAG, "Second Request with same Token, Drop it");
 233             CADestroyRequestInfoInternal(reqInfo);
 234             goto exit;
 235         }
 236
 237         cadata->requestInfo = reqInfo;
 238         info = &reqInfo->info;
 239         if (identity)
 240         {
 241             info->identity = *identity;
 242         }
 243         OIC_LOG(DEBUG, TAG, "Request Info :");
 244         CALogPayloadInfo(info);
 245    }
 246     else if (CA_ERROR_DATA == dataType)
 247     {
 248         CAErrorInfo_t *errorInfo = (CAErrorInfo_t *)OICCalloc(1, sizeof (CAErrorInfo_t));
 249         if (!errorInfo)
 250         {
 251             OIC_LOG(ERROR, TAG, "Memory allocation failed!");
 252             goto exit;
 253         }
 254
 255         CAResult_t result = CAGetErrorInfoFromPDU(data, endpoint, errorInfo);
 256         if (CA_STATUS_OK != result)
 257         {
 258             OIC_LOG(ERROR, TAG, "CAGetErrorInfoFromPDU failed");
 259             OICFree(errorInfo);
 260             goto exit;
 261         }
 262
 263         cadata->errorInfo = errorInfo;
 264         info = &errorInfo->info;
 265         if (identity)
 266         {
 267             info->identity = *identity;
 268         }
 269         OIC_LOG(DEBUG, TAG, "error Info :");
 270         CALogPayloadInfo(info);
 271     }
 272
 273     cadata->remoteEndpoint = ep;
 274     cadata->dataType = dataType;
 275
 276     OIC_LOG(DEBUG, TAG, "CAGenerateHandlerData OUT");
 277     return cadata;
 278
 279 exit:
 280     OICFree(cadata);
 281 #ifndef SINGLE_THREAD
 282     CAFreeEndpoint(ep);
 283 #endif
 284     return NULL;
 285 }
 286
 287 static void CATimeoutCallback(const CAEndpoint_t *endpoint, const void *pdu, uint32_t size)
 288 {
 289     VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint");
 290     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
 291 #ifdef SINGLE_THREAD
 292     CAEndpoint_t* ep = endpoint;
 293 #else
 294     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
 295     if (!ep)
 296     {
 297         OIC_LOG(ERROR, TAG, "clone failed");
 298         return;
 299     }
 300 #endif
 301
 302     CAResponseInfo_t* resInfo = (CAResponseInfo_t*)OICCalloc(1, sizeof(CAResponseInfo_t));
 303
 304     if (!resInfo)
 305     {
 306         OIC_LOG(ERROR, TAG, "calloc failed");
 307 #ifndef SINGLE_THREAD
 308         CAFreeEndpoint(ep);
 309 #endif
 310         return;
 311     }
 312
 313     resInfo->result = CA_RETRANSMIT_TIMEOUT;
 314     resInfo->info.type = CAGetMessageTypeFromPduBinaryData(pdu, size);
 315     resInfo->info.messageId = CAGetMessageIdFromPduBinaryData(pdu, size);
 316
 317     CAResult_t res = CAGetTokenFromPDU((const coap_hdr_transport_t *) pdu, &(resInfo->info),
 318                                        endpoint);
 319     if (CA_STATUS_OK != res)
 320     {
 321         OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
 322         CADestroyResponseInfoInternal(resInfo);
 323 #ifndef SINGLE_THREAD
 324         CAFreeEndpoint(ep);
 325 #endif
 326         return;
 327     }
 328
 329     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 330     if (NULL == cadata)
 331     {
 332         OIC_LOG(ERROR, TAG, "memory allocation failed !");
 333 #ifndef SINGLE_THREAD
 334         CAFreeEndpoint(ep);
 335 #endif
 336         CADestroyResponseInfoInternal(resInfo);
 337         return;
 338     }
 339
 340     cadata->type = SEND_TYPE_UNICAST;
 341     cadata->remoteEndpoint = ep;
 342     cadata->requestInfo = NULL;
 343     cadata->responseInfo = resInfo;
 344
 345 #ifdef WITH_BWT
 346     if (CAIsSupportedBlockwiseTransfer(endpoint->adapter))
 347     {
 348         res = CARemoveBlockDataFromListWithSeed(resInfo->info.token, resInfo->info.tokenLength,
 349                                                 endpoint->port);
 350         if (CA_STATUS_OK != res)
 351         {
 352             OIC_LOG(ERROR, TAG, "CARemoveBlockDataFromListWithSeed failed");
 353         }
 354     }
 355 #endif // WITH_BWT
 356
 357 #ifdef SINGLE_THREAD
 358     CAProcessReceivedData(cadata);
 359 #else
 360     CAResult_t result = CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t), false);
 361     if (result != CA_STATUS_OK)
 362     {
 363         OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
 364         CADestroyData(cadata, sizeof(CAData_t));
 365         return;
 366     }
 367
 368 #ifdef WITH_PROCESS_EVENT
 369     if (g_processEvent)
 370     {
 371         oc_event_signal(g_processEvent);
 372     }
 373 #endif//WITH_PROCESS_EVENT
 374 #endif// SINGLE_THREAD
 375 }
 376
 377 static void CADestroyData(void *data, uint32_t size)
 378 {
 379     OIC_LOG(DEBUG, TAG, "CADestroyData IN");
 380     if ((size_t)size < sizeof(CAData_t))
 381     {
 382         OIC_LOG_V(ERROR, TAG, "Destroy data too small %p %d", data, size);
 383     }
 384     CAData_t *cadata = (CAData_t *) data;
 385
 386     if (NULL == cadata)
 387     {
 388         OIC_LOG(ERROR, TAG, "cadata is NULL");
 389         return;
 390     }
 391 #ifndef SINGLE_THREAD
 392     if (NULL != cadata->remoteEndpoint)
 393     {
 394         CAFreeEndpoint(cadata->remoteEndpoint);
 395     }
 396 #endif
 397
 398     if (NULL != cadata->requestInfo)
 399     {
 400         CADestroyRequestInfoInternal((CARequestInfo_t *) cadata->requestInfo);
 401     }
 402
 403     if (NULL != cadata->responseInfo)
 404     {
 405         CADestroyResponseInfoInternal((CAResponseInfo_t *) cadata->responseInfo);
 406     }
 407
 408     if (NULL != cadata->errorInfo)
 409     {
 410         CADestroyErrorInfoInternal(cadata->errorInfo);
 411     }
 412
 413     OICFree(cadata);
 414     OIC_LOG(DEBUG, TAG, "CADestroyData OUT");
 415 }
 416
 417 #ifdef SINGLE_THREAD
 418 static void CAProcessReceivedData(CAData_t *data)
 419 {
 420     OIC_LOG(DEBUG, TAG, "CAProcessReceivedData IN");
 421     if (!data)
 422     {
 423         OIC_LOG(ERROR, TAG, "thread data error!!");
 424         return;
 425     }
 426
 427     // parse the data and call the callbacks.
 428     // #1 parse the data
 429     // #2 get endpoint
 430     CAEndpoint_t *rep = (CAEndpoint_t *)(data->remoteEndpoint);
 431     if (!rep)
 432     {
 433         OIC_LOG(ERROR, TAG, "remoteEndpoint error!!");
 434         return;
 435     }
 436
 437     if (data->requestInfo && g_requestHandler)
 438     {
 439         g_requestHandler(rep, data->requestInfo);
 440     }
 441     else if (data->responseInfo && g_responseHandler)
 442     {
 443         g_responseHandler(rep, data->responseInfo);
 444     }
 445     else if (data->errorInfo && g_errorHandler)
 446     {
 447         g_errorHandler(rep, data->errorInfo);
 448     }
 449
 450     CADestroyData(data, sizeof(CAData_t));
 451
 452     OIC_LOG(DEBUG, TAG, "CAProcessReceivedData OUT");
 453 }
 454 #endif
 455
 456 #ifndef SINGLE_THREAD
 457 static void CAReceiveThreadProcess(void *threadData)
 458 {
 459 #ifndef SINGLE_HANDLE
 460     CAData_t *data = (CAData_t *) threadData;
 461     OIC_TRACE_BEGIN(%s:CAProcessReceivedData, TAG);
 462     CAProcessReceivedData(data);
 463     OIC_TRACE_END();
 464 #else
 465     (void)threadData;
 466 #endif
 467 }
 468 #endif // SINGLE_THREAD
 469
 470 static CAResult_t CAProcessMulticastData(const CAData_t *data)
 471 {
 472     VERIFY_NON_NULL(data, TAG, "data");
 473     VERIFY_NON_NULL(data->remoteEndpoint, TAG, "remoteEndpoint");
 474
 475     coap_pdu_t *pdu = NULL;
 476     CAInfo_t *info = NULL;
 477     coap_list_t *options = NULL;
 478     coap_transport_t transport = COAP_UDP;
 479     CAResult_t res = CA_SEND_FAILED;
 480
 481     if (!data->requestInfo && !data->responseInfo)
 482     {
 483         OIC_LOG(ERROR, TAG, "request or response info is empty");
 484         return res;
 485     }
 486
 487     if (data->requestInfo)
 488     {
 489         OIC_LOG(DEBUG, TAG, "requestInfo is available..");
 490
 491         info = &data->requestInfo->info;
 492         pdu = CAGeneratePDU(CA_GET, info, data->remoteEndpoint, &options, &transport);
 493     }
 494     else if (data->responseInfo)
 495     {
 496         OIC_LOG(DEBUG, TAG, "responseInfo is available..");
 497
 498         info = &data->responseInfo->info;
 499         pdu = CAGeneratePDU(data->responseInfo->result, info, data->remoteEndpoint,
 500                             &options, &transport);
 501     }
 502
 503     if (!pdu)
 504     {
 505         OIC_LOG(ERROR,TAG,"Failed to generate multicast PDU");
 506         CASendErrorInfo(data->remoteEndpoint, info, CA_SEND_FAILED);
 507         coap_delete_list(options);
 508         return res;
 509     }
 510
 511 #ifdef WITH_BWT
 512     if (CAIsSupportedBlockwiseTransfer(data->remoteEndpoint->adapter))
 513     {
 514         // Blockwise transfer
 515         res = CAAddBlockOption(&pdu, info, data->remoteEndpoint, &options);
 516         if (CA_STATUS_OK != res)
 517         {
 518             OIC_LOG(DEBUG, TAG, "CAAddBlockOption has failed");
 519             goto exit;
 520         }
 521     }
 522 #endif // WITH_BWT
 523
 524     CALogPDUInfo(data, pdu);
 525
 526     res = CASendMulticastData(data->remoteEndpoint, pdu->transport_hdr, pdu->length, data->dataType);
 527     if (CA_STATUS_OK != res)
 528     {
 529         OIC_LOG_V(ERROR, TAG, "send failed:%d", res);
 530         goto exit;
 531     }
 532
 533     coap_delete_list(options);
 534     coap_delete_pdu(pdu);
 535     return res;
 536
 537 exit:
 538     CAErrorHandler(data->remoteEndpoint, pdu->transport_hdr, pdu->length, res);
 539     coap_delete_list(options);
 540     coap_delete_pdu(pdu);
 541     return res;
 542 }
 543
 544 static CAResult_t CAProcessSendData(const CAData_t *data)
 545 {
 546     VERIFY_NON_NULL(data, TAG, "data");
 547     VERIFY_NON_NULL(data->remoteEndpoint, TAG, "remoteEndpoint");
 548
 549     CAResult_t res = CA_STATUS_FAILED;
 550
 551     if (CA_NETWORK_COMMAND == data->dataType)
 552     {
 553         if (CA_REQ_DISCONNECT == data->eventInfo)
 554         {
 555 #ifdef TCP_ADAPTER
 556             // request TCP disconnect
 557             if (CA_ADAPTER_TCP == data->remoteEndpoint->adapter)
 558             {
 559                 OIC_LOG(INFO, TAG, "request TCP disconnect");
 560                 return CADisconnectSession(data->remoteEndpoint);
 561             }
 562 #endif
 563         }
 564     }
 565
 566     CASendDataType_t type = data->type;
 567
 568     coap_pdu_t *pdu = NULL;
 569     CAInfo_t *info = NULL;
 570     coap_list_t *options = NULL;
 571     coap_transport_t transport = COAP_UDP;
 572
 573     if (SEND_TYPE_UNICAST == type)
 574     {
 575         OIC_LOG(DEBUG,TAG,"Unicast message");
 576
 577 #ifdef ROUTING_GATEWAY
 578         /*
 579          * When forwarding a packet, do not attempt retransmission as its the responsibility of
 580          * packet originator node
 581          */
 582         bool skipRetransmission = false;
 583 #endif
 584
 585         if (NULL != data->requestInfo)
 586         {
 587             OIC_LOG(DEBUG, TAG, "requestInfo is available..");
 588
 589             info = &data->requestInfo->info;
 590 #ifdef ROUTING_GATEWAY
 591             skipRetransmission = data->requestInfo->info.skipRetransmission;
 592 #endif
 593             pdu = CAGeneratePDU(data->requestInfo->method, info, data->remoteEndpoint,
 594                                 &options, &transport);
 595         }
 596         else if (NULL != data->responseInfo)
 597         {
 598             OIC_LOG(DEBUG, TAG, "responseInfo is available..");
 599
 600             info = &data->responseInfo->info;
 601 #ifdef ROUTING_GATEWAY
 602             skipRetransmission = data->responseInfo->info.skipRetransmission;
 603 #endif
 604             pdu = CAGeneratePDU(data->responseInfo->result, info, data->remoteEndpoint,
 605                                 &options, &transport);
 606         }
 607         else
 608         {
 609             OIC_LOG(DEBUG, TAG, "request info, response info is empty");
 610             return CA_STATUS_INVALID_PARAM;
 611         }
 612
 613         // interface controller function call.
 614         if (NULL != pdu)
 615         {
 616 #ifdef WITH_BWT
 617             if (CAIsSupportedBlockwiseTransfer(data->remoteEndpoint->adapter))
 618             {
 619                 // Blockwise transfer
 620                 if (NULL != info)
 621                 {
 622                     CAResult_t res = CAAddBlockOption(&pdu, info,
 623                                                       data->remoteEndpoint,
 624                                                       &options);
 625                     if (CA_STATUS_OK != res)
 626                     {
 627                         OIC_LOG(INFO, TAG, "to write block option has failed");
 628                         CAErrorHandler(data->remoteEndpoint, pdu->transport_hdr, pdu->length, res);
 629                         coap_delete_list(options);
 630                         coap_delete_pdu(pdu);
 631                         return res;
 632                     }
 633                 }
 634             }
 635 #endif // WITH_BWT
 636             CALogPDUInfo(data, pdu);
 637
 638             OIC_LOG_V(INFO, TAG, "CASendUnicastData type : %d", data->dataType);
 639             res = CASendUnicastData(data->remoteEndpoint, pdu->transport_hdr, pdu->length, data->dataType);
 640             if (CA_STATUS_OK != res)
 641             {
 642                 OIC_LOG_V(ERROR, TAG, "send failed:%d", res);
 643                 CAErrorHandler(data->remoteEndpoint, pdu->transport_hdr, pdu->length, res);
 644                 coap_delete_list(options);
 645                 coap_delete_pdu(pdu);
 646                 return res;
 647             }
 648
 649 #ifdef WITH_TCP
 650             if (CAIsSupportedCoAPOverTCP(data->remoteEndpoint->adapter))
 651             {
 652                 OIC_LOG(INFO, TAG, "retransmission will be not worked");
 653             }
 654             else
 655 #endif
 656 #ifdef ROUTING_GATEWAY
 657             if (!skipRetransmission)
 658 #endif
 659             {
 660                 // for retransmission
 661                 res = CARetransmissionSentData(&g_retransmissionContext,
 662                                                data->remoteEndpoint,
 663                                                data->dataType,
 664                                                pdu->transport_hdr, pdu->length);
 665                 if ((CA_STATUS_OK != res) && (CA_NOT_SUPPORTED != res))
 666                 {
 667                     //when retransmission not supported this will return CA_NOT_SUPPORTED, ignore
 668                     OIC_LOG_V(INFO, TAG, "retransmission is not enabled due to error, res : %d", res);
 669                     coap_delete_list(options);
 670                     coap_delete_pdu(pdu);
 671                     return res;
 672                 }
 673             }
 674
 675             coap_delete_list(options);
 676             coap_delete_pdu(pdu);
 677         }
 678         else
 679         {
 680             OIC_LOG(ERROR,TAG,"Failed to generate unicast PDU");
 681             CASendErrorInfo(data->remoteEndpoint, info, CA_SEND_FAILED);
 682             return CA_SEND_FAILED;
 683         }
 684     }
 685     else if (SEND_TYPE_MULTICAST == type)
 686     {
 687         OIC_LOG(DEBUG,TAG,"Multicast message");
 688 #ifdef WITH_TCP
 689         /*
 690          * If CoAP over TCP is enabled, the CoAP pdu wont be same for IP and other adapters.
 691          * That's why we need to generate two pdu's, one for IP and second for other transports.
 692          * Two possible cases we might have to split: a) when adapter is CA_DEFAULT_ADAPTER
 693          * b) when one of the adapter is IP adapter(ex: CA_ADAPTER_IP | CA_ADAPTER_GATT_BTLE)
 694          */
 695         if (data->remoteEndpoint->adapter == CA_DEFAULT_ADAPTER ||
 696                 (CA_ADAPTER_IP & data->remoteEndpoint->adapter &&
 697                     CA_ADAPTER_IP != data->remoteEndpoint->adapter))
 698         {
 699             if (data->remoteEndpoint->adapter == CA_DEFAULT_ADAPTER)
 700             {
 701                 data->remoteEndpoint->adapter = CA_ALL_ADAPTERS ^ CA_ADAPTER_IP;
 702             }
 703             else
 704             {
 705                 data->remoteEndpoint->adapter = data->remoteEndpoint->adapter ^ CA_ADAPTER_IP;
 706             }
 707             CAProcessMulticastData(data);
 708             data->remoteEndpoint->adapter = CA_ADAPTER_IP;
 709             CAProcessMulticastData(data);
 710         }
 711         else
 712         {
 713             CAProcessMulticastData(data);
 714         }
 715 #else
 716         CAProcessMulticastData(data);
 717 #endif
 718     }
 719     return CA_STATUS_OK;
 720 }
 721
 722 #ifndef SINGLE_THREAD
 723 static void CASendThreadProcess(void *threadData)
 724 {
 725     CAData_t *data = (CAData_t *) threadData;
 726     OIC_TRACE_BEGIN(%s:CAProcessSendData, TAG);
 727     CAProcessSendData(data);
 728     OIC_TRACE_END();
 729 }
 730 #endif
 731
 732 /*
 733  * If a second message arrives with the same message ID, token and the other address
 734  * family, drop it.  Typically, IPv6 beats IPv4, so the IPv4 message is dropped.
 735  */
 736 static bool CADropSecondMessage(CAHistory_t *history, const CAEndpoint_t *ep, uint16_t id,
 737                                 CAToken_t token, uint8_t tokenLength)
 738 {
 739     if (!ep)
 740     {
 741         return true;
 742     }
 743     if (ep->adapter != CA_ADAPTER_IP)
 744     {
 745         return false;
 746     }
 747     if (!caglobals.ip.dualstack)
 748     {
 749         return false;
 750     }
 751     if (!history)
 752     {
 753         return false;
 754     }
 755     if (tokenLength > CA_MAX_TOKEN_LEN)
 756     {
 757         /*
 758          * If token length is more than CA_MAX_TOKEN_LEN,
 759          * we compare the first CA_MAX_TOKEN_LEN bytes only.
 760          */
 761         tokenLength = CA_MAX_TOKEN_LEN;
 762     }
 763
 764     bool ret = false;
 765     CATransportFlags_t familyFlags = ep->flags & CA_IPFAMILY_MASK;
 766
 767     for (size_t i = 0; i < sizeof(history->items) / sizeof(history->items[0]); i++)
 768     {
 769         CAHistoryItem_t *item = &(history->items[i]);
 770         if (id == item->messageId && tokenLength == item->tokenLength
 771             && memcmp(item->token, token, tokenLength) == 0)
 772         {
 773             if ((familyFlags ^ item->flags) == CA_IPFAMILY_MASK)
 774             {
 775                 OIC_LOG_V(INFO, TAG, "IPv%c duplicate message ignored",
 776                           familyFlags & CA_IPV6 ? '6' : '4');
 777                 ret = true;
 778                 break;
 779             }
 780         }
 781     }
 782
 783     history->items[history->nextIndex].flags = familyFlags;
 784     history->items[history->nextIndex].messageId = id;
 785     if (token && tokenLength)
 786     {
 787         memcpy(history->items[history->nextIndex].token, token, tokenLength);
 788         history->items[history->nextIndex].tokenLength = tokenLength;
 789     }
 790
 791     if (++history->nextIndex >= HISTORYSIZE)
 792     {
 793         history->nextIndex = 0;
 794     }
 795
 796     return ret;
 797 }
 798
 799 static CAResult_t CAReceivedPacketCallback(const CASecureEndpoint_t *sep,
 800                                            const void *data, uint32_t dataLen)
 801 {
 802     VERIFY_NON_NULL(sep, TAG, "remoteEndpoint");
 803     VERIFY_NON_NULL(data, TAG, "data");
 804     OIC_TRACE_BEGIN(%s:CAReceivedPacketCallback, TAG);
 805
 806     if (0 == dataLen)
 807     {
 808         OIC_LOG(ERROR, TAG, "dataLen is zero");
 809         OIC_TRACE_END();
 810
 811         return CA_STATUS_FAILED;
 812     }
 813
 814     // samsung log
 815     OIC_LOG(DEBUG, TAG, "received pdu data :");
 816     if (dataLen < 32)
 817     {
 818         OIC_LOG_BUFFER(DEBUG, TAG,  data, dataLen);
 819     }
 820     else
 821     {
 822         OIC_LOG_BUFFER(DEBUG, TAG,  data, 32);
 823     }
 824
 825     CAResult_t res = CA_STATUS_OK;
 826     uint32_t code = CA_NOT_FOUND;
 827     CAData_t *cadata = NULL;
 828
 829     coap_pdu_t *pdu = (coap_pdu_t *) CAParsePDU((const char *) data, dataLen, &code,
 830                                                 &(sep->endpoint));
 831     if (NULL == pdu)
 832     {
 833         OIC_LOG(ERROR, TAG, "Parse PDU failed");
 834         res = CA_STATUS_FAILED;
 835         goto exit;
 836     }
 837
 838     OIC_LOG_V(DEBUG, TAG, "code = %d", code);
 839     if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
 840     {
 841         cadata = CAGenerateHandlerData(&(sep->endpoint), &(sep->identity), pdu, CA_REQUEST_DATA);
 842         if (!cadata)
 843         {
 844             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, CAGenerateHandlerData failed!");
 845             coap_delete_pdu(pdu);
 846             goto exit;
 847         }
 848     }
 849     else
 850     {
 851         cadata = CAGenerateHandlerData(&(sep->endpoint), &(sep->identity), pdu, CA_RESPONSE_DATA);
 852         if (!cadata)
 853         {
 854             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, CAGenerateHandlerData failed!");
 855             coap_delete_pdu(pdu);
 856             goto exit;
 857         }
 858
 859 #ifdef WITH_TCP
 860         if (CAIsSupportedCoAPOverTCP(sep->endpoint.adapter))
 861         {
 862             OIC_LOG(INFO, TAG, "retransmission is not supported");
 863         }
 864         else
 865 #endif
 866         {
 867             // for retransmission
 868             void *retransmissionPdu = NULL;
 869             CARetransmissionReceivedData(&g_retransmissionContext, cadata->remoteEndpoint, pdu->transport_hdr,
 870                                          pdu->length, &retransmissionPdu);
 871
 872             // get token from saved data in retransmission list
 873             if (retransmissionPdu && CA_EMPTY == code)
 874             {
 875                 if (cadata->responseInfo)
 876                 {
 877                     CAInfo_t *info = &cadata->responseInfo->info;
 878                     CAResult_t res = CAGetTokenFromPDU((const coap_hdr_transport_t *)retransmissionPdu,
 879                                                        info, &(sep->endpoint));
 880                     if (CA_STATUS_OK != res)
 881                     {
 882                         OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
 883                         OICFree(info->token);
 884                         info->token = NULL;
 885                         info->tokenLength = 0;
 886                     }
 887                 }
 888             }
 889             OICFree(retransmissionPdu);
 890         }
 891     }
 892
 893     cadata->type = SEND_TYPE_UNICAST;
 894
 895     CALogPDUInfo(cadata, pdu);
 896
 897 #ifdef SINGLE_THREAD
 898     CAProcessReceivedData(cadata);
 899 #else
 900 #ifdef WITH_BWT
 901     if (CAIsSupportedBlockwiseTransfer(sep->endpoint.adapter))
 902     {
 903         CAResult_t res = CAReceiveBlockWiseData(pdu, &(sep->endpoint), cadata, dataLen);
 904         if (CA_NOT_SUPPORTED == res || CA_REQUEST_TIMEOUT == res)
 905         {
 906             OIC_LOG(DEBUG, TAG, "this message does not have block option");
 907             CAAddDataToReceiveThread(cadata);
 908         }
 909         else
 910         {
 911             CADestroyData(cadata, sizeof(CAData_t));
 912         }
 913     }
 914     else
 915 #endif
 916     {
 917         CAResult_t result = CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t), false);
 918         if (result != CA_STATUS_OK)
 919         {
 920             OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
 921             CADestroyData(cadata, sizeof(CAData_t));
 922             coap_delete_pdu(pdu);
 923             goto exit;
 924         }
 925
 926 #ifdef WITH_PROCESS_EVENT
 927         if (g_processEvent)
 928         {
 929             oc_event_signal(g_processEvent);
 930         }
 931 #endif
 932     }
 933 #endif // SINGLE_THREAD
 934
 935     coap_delete_pdu(pdu);
 936
 937 exit:
 938     OIC_LOG(DEBUG, TAG, "OUT - Recv Thread");
 939     OIC_TRACE_END();
 940     return res;
 941 }
 942
 943 static void CAAdapterStateChangedCallback(CATransportAdapter_t transportType, bool enabled)
 944 {
 945     if (!enabled)
 946     {
 947         CAClearMessageHandler(transportType);
 948     }
 949 }
 950
 951 static bool CAClearQueueEndpointDataContext(void *data, uint32_t size, void *ctx)
 952 {
 953     UNUSED(size);
 954     if (NULL == data || NULL == ctx)
 955     {
 956         return false;
 957     }
 958
 959     CAData_t *caData = (CAData_t *)data;
 960     const CAEndpoint_t *endpoint = (const CAEndpoint_t *)ctx;
 961
 962     if (NULL != caData && NULL != caData->remoteEndpoint)
 963     {
 964         if (strcmp(caData->remoteEndpoint->addr, endpoint->addr) == 0
 965             && caData->remoteEndpoint->port == endpoint->port
 966             && caData->remoteEndpoint->adapter == endpoint->adapter)
 967         {
 968             return true;
 969         }
 970     }
 971     return false;
 972 }
 973
 974 static void CAConnectionStateChangedCallback(const CAEndpoint_t *info, bool isConnected)
 975 {
 976     if (!isConnected)
 977     {
 978         CAResult_t res = CAQueueingThreadClearContextData(&g_sendThread,
 979                                                           CAClearQueueEndpointDataContext,
 980                                                           (void *)info);
 981         if (CA_STATUS_OK != res)
 982         {
 983             OIC_LOG(ERROR, TAG, "Could not clear the send queue");
 984         }
 985     }
 986 }
 987
 988 static u_queue_message_t *get_receive_queue_item(void)
 989 {
 990     u_queue_message_t *item = NULL;
 991
 992     oc_mutex_lock(g_receiveThread.threadMutex);
 993     item = u_queue_get_element(g_receiveThread.dataQueue);
 994     oc_mutex_unlock(g_receiveThread.threadMutex);
 995
 996     return item;
 997 }
 998
 999
1000 void CAHandleRequestResponseCallbacks()
1001 {
1002 #ifdef SINGLE_THREAD
1003     CAReadData();
1004     CARetransmissionBaseRoutine((void *)&g_retransmissionContext);
1005 #else
1006 #ifdef SINGLE_HANDLE
1007     // parse the data and call the callbacks.
1008     // #1 parse the data
1009     // #2 get endpoint
1010
1011     u_queue_message_t *item = NULL;
1012 #ifdef WITH_PROCESS_EVENT
1013     while ((item = get_receive_queue_item()) != NULL)
1014 #else
1015     if ((item = get_receive_queue_item()) != NULL)
1016 #endif
1017     {        if (NULL == item->msg)
1018         {
1019             OICFree(item);
1020 #ifdef WITH_PROCESS_EVENT
1021             continue;
1022 #else
1023             return;
1024 #endif
1025         }
1026
1027         // get endpoint
1028         CAData_t *td = (CAData_t *) item->msg;
1029
1030         if (td->requestInfo && g_requestHandler)
1031         {
1032             OIC_LOG_V(DEBUG, TAG, "request callback : %d", td->requestInfo->info.numOptions);
1033             g_requestHandler(td->remoteEndpoint, td->requestInfo);
1034         }
1035         else if (td->responseInfo && g_responseHandler)
1036         {
1037             OIC_LOG_V(DEBUG, TAG, "response callback : %d", td->responseInfo->info.numOptions);
1038             g_responseHandler(td->remoteEndpoint, td->responseInfo);
1039         }
1040         else if (td->errorInfo && g_errorHandler)
1041         {
1042             OIC_LOG_V(DEBUG, TAG, "error callback error: %d", td->errorInfo->result);
1043             g_errorHandler(td->remoteEndpoint, td->errorInfo);
1044         }
1045
1046         CADestroyData(item->msg, sizeof(CAData_t));
1047         OICFree(item);
1048     }
1049 #endif // SINGLE_HANDLE
1050 #endif // SINGLE_THREAD
1051 }
1052
1053 static CAData_t* CAPrepareSendData(const CAEndpoint_t *endpoint, const void *sendData,
1054                                    CADataType_t dataType)
1055 {
1056     OIC_LOG(DEBUG, TAG, "CAPrepareSendData IN");
1057
1058     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
1059     if (!cadata)
1060     {
1061         OIC_LOG(ERROR, TAG, "memory allocation failed");
1062         return NULL;
1063     }
1064
1065     if (CA_REQUEST_DATA == dataType)
1066     {
1067 #ifdef SINGLE_THREAD
1068         CARequestInfo_t *request = (CARequestInfo_t *)sendData;
1069 #else
1070         // clone request info
1071         CARequestInfo_t *request = CACloneRequestInfo((CARequestInfo_t *)sendData);
1072         if (!request)
1073         {
1074             OIC_LOG(ERROR, TAG, "CACloneRequestInfo failed");
1075             goto exit;
1076         }
1077 #endif
1078         cadata->type = request->isMulticast ? SEND_TYPE_MULTICAST : SEND_TYPE_UNICAST;
1079         cadata->requestInfo =  request;
1080     }
1081     else if (CA_RESPONSE_DATA == dataType || CA_RESPONSE_FOR_RES == dataType)
1082     {
1083 #ifdef SINGLE_THREAD
1084         CAResponseInfo_t *response = (CAResponseInfo_t *)sendData;
1085 #else
1086         // clone response info
1087         CAResponseInfo_t *response = CACloneResponseInfo((CAResponseInfo_t *)sendData);
1088         if (!response)
1089         {
1090             OIC_LOG(ERROR, TAG, "CACloneResponseInfo failed");
1091             goto exit;
1092         }
1093 #endif
1094         cadata->type = response->isMulticast ? SEND_TYPE_MULTICAST : SEND_TYPE_UNICAST;
1095         cadata->responseInfo = response;
1096     }
1097     else
1098     {
1099         OIC_LOG(ERROR, TAG, "CAPrepareSendData unknown data type");
1100         goto exit;
1101     }
1102
1103 #ifdef SINGLE_THREAD
1104     CAEndpoint_t* ep = endpoint;
1105 #else
1106     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
1107     if (!ep)
1108     {
1109         OIC_LOG(ERROR, TAG, "endpoint clone failed");
1110         goto exit;
1111     }
1112 #endif
1113     cadata->remoteEndpoint = ep;
1114     cadata->dataType = dataType;
1115     return cadata;
1116
1117 exit:
1118 #ifndef SINGLE_THREAD
1119     CADestroyData(cadata, sizeof(CAData_t));
1120 #else
1121     OICFree(cadata);
1122 #endif
1123     return NULL;
1124 }
1125
1126 CAResult_t CADetachSendNetworkReqMessage(const CAEndpoint_t *endpoint,
1127                                          CAConnectEvent_t event,
1128                                          CADataType_t dataType)
1129 {
1130     VERIFY_NON_NULL(endpoint, TAG, "endpoint");
1131
1132     if (false == CAIsSelectedNetworkAvailable())
1133     {
1134         return CA_STATUS_FAILED;
1135     }
1136
1137 #ifndef SINGLE_THREAD
1138     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
1139     if (!cadata)
1140     {
1141         OIC_LOG(ERROR, TAG, "cadata memory allocation failed");
1142         return CA_MEMORY_ALLOC_FAILED;
1143     }
1144
1145     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
1146     if (!ep)
1147     {
1148         OIC_LOG(ERROR, TAG, "endpoint clone failed");
1149         OICFree(cadata);
1150         return CA_MEMORY_ALLOC_FAILED;
1151     }
1152
1153     cadata->remoteEndpoint = ep;
1154     cadata->eventInfo = event;
1155     cadata->dataType = dataType;
1156
1157     CAResult_t result = CAQueueingThreadAddData(&g_sendThread, cadata, sizeof(CAData_t), true);
1158     if (result != CA_STATUS_OK)
1159     {
1160         OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
1161         CADestroyData(cadata, sizeof(CAData_t));
1162         return result;
1163     }
1164 #endif
1165
1166     return CA_STATUS_OK;
1167 }
1168
1169 CAResult_t CADetachSendMessage(const CAEndpoint_t *endpoint, const void *sendMsg,
1170                                CADataType_t dataType)
1171 {
1172     VERIFY_NON_NULL(endpoint, TAG, "endpoint");
1173     VERIFY_NON_NULL(sendMsg, TAG, "sendMsg");
1174
1175     if (false == CAIsSelectedNetworkAvailable())
1176     {
1177         return CA_STATUS_FAILED;
1178     }
1179
1180 #ifdef ARDUINO
1181     // If max retransmission queue is reached, then don't handle new request
1182     if (CA_MAX_RT_ARRAY_SIZE == u_arraylist_length(g_retransmissionContext.dataList))
1183     {
1184         OIC_LOG(ERROR, TAG, "max RT queue size reached!");
1185         return CA_SEND_FAILED;
1186     }
1187 #endif // ARDUINO
1188
1189     CAData_t *data = CAPrepareSendData(endpoint, sendMsg, dataType);
1190     if(!data)
1191     {
1192         OIC_LOG(ERROR, TAG, "CAPrepareSendData failed");
1193         return CA_MEMORY_ALLOC_FAILED;
1194     }
1195
1196     OIC_LOG_V(INFO_PRIVATE, TAG, "DID of endpoint of this message is %s", endpoint->remoteId);
1197
1198 #ifdef SINGLE_THREAD
1199     CAResult_t result = CAProcessSendData(data);
1200     if (CA_STATUS_OK != result)
1201     {
1202         OIC_LOG(ERROR, TAG, "CAProcessSendData failed");
1203         OICFree(data);
1204         return result;
1205     }
1206
1207     OICFree(data);
1208
1209 #else
1210 #ifdef WITH_BWT
1211     if (CAIsSupportedBlockwiseTransfer(endpoint->adapter))
1212     {
1213         CACheckAndDeleteTimedOutBlockData();
1214         // send block data
1215         CAResult_t res = CASendBlockWiseData(data);
1216         if (CA_NOT_SUPPORTED == res)
1217         {
1218             OIC_LOG(DEBUG, TAG, "normal msg will be sent");
1219             CAResult_t result = CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t), true);
1220             if (result != CA_STATUS_OK)
1221             {
1222                 OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
1223                 CADestroyData(data, sizeof(CAData_t));
1224                 return result;
1225             }
1226             return CA_STATUS_OK;
1227         }
1228         else
1229         {
1230             CADestroyData(data, sizeof(CAData_t));
1231         }
1232
1233         return res;
1234     }
1235     else
1236 #endif // WITH_BWT
1237     {
1238         CAResult_t result = CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t), true);
1239         if (result != CA_STATUS_OK)
1240         {
1241             OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
1242             CADestroyData(data, sizeof(CAData_t));
1243             return result;
1244         }
1245     }
1246 #endif // SINGLE_THREAD
1247
1248     return CA_STATUS_OK;
1249 }
1250
1251 void CASetInterfaceCallbacks(CARequestCallback ReqHandler, CAResponseCallback RespHandler,
1252                              CAErrorCallback errorHandler)
1253 {
1254     g_requestHandler = ReqHandler;
1255     g_responseHandler = RespHandler;
1256     g_errorHandler = errorHandler;
1257 }
1258
1259 void CASetNetworkMonitorCallback(CANetworkMonitorCallback nwMonitorHandler)
1260 {
1261     g_nwMonitorHandler = nwMonitorHandler;
1262 }
1263
1264 CAResult_t CAInitializeMessageHandler(CATransportAdapter_t transportType)
1265 {
1266     CASetPacketReceivedCallback((CANetworkPacketReceivedCallback)CAReceivedPacketCallback);
1267     CASetErrorHandleCallback((CAErrorHandleCallback)CAErrorHandler);
1268
1269 #ifndef SINGLE_THREAD
1270     // create thread pool
1271     CAResult_t res = ca_thread_pool_init(MAX_THREAD_POOL_SIZE, &g_threadPoolHandle);
1272     if (CA_STATUS_OK != res)
1273     {
1274         OIC_LOG(ERROR, TAG, "thread pool initialize error.");
1275         return res;
1276     }
1277
1278     // send thread initialize
1279     res = CAQueueingThreadInitialize(&g_sendThread, g_threadPoolHandle,
1280                                      CASendThreadProcess, CADestroyData);
1281     if (CA_STATUS_OK != res)
1282     {
1283         OIC_LOG(ERROR, TAG, "Failed to Initialize send queue thread");
1284         return res;
1285     }
1286
1287     // start send thread
1288 #ifndef __TIZENRT__
1289     res = CAQueueingThreadStart(&g_sendThread);
1290 #else
1291     res = CAQueueingThreadStart(&g_sendThread, "IoT_MessageHandlerQueue");
1292 #endif
1293     if (CA_STATUS_OK != res)
1294     {
1295         OIC_LOG(ERROR, TAG, "thread start error(send thread).");
1296         return res;
1297     }
1298
1299     // receive thread initialize
1300     res = CAQueueingThreadInitialize(&g_receiveThread, g_threadPoolHandle,
1301                                      CAReceiveThreadProcess, CADestroyData);
1302     if (CA_STATUS_OK != res)
1303     {
1304         OIC_LOG(ERROR, TAG, "Failed to Initialize receive queue thread");
1305         return res;
1306     }
1307
1308 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
1309     // start receive thread
1310     res = CAQueueingThreadStart(&g_receiveThread);
1311     if (CA_STATUS_OK != res)
1312     {
1313         OIC_LOG(ERROR, TAG, "thread start error(receive thread).");
1314         return res;
1315     }
1316 #endif // SINGLE_HANDLE
1317
1318     // retransmission initialize
1319     res = CARetransmissionInitialize(&g_retransmissionContext, g_threadPoolHandle,
1320                                      CASendUnicastData, CATimeoutCallback, NULL);
1321     if (CA_STATUS_OK != res)
1322     {
1323         OIC_LOG(ERROR, TAG, "Failed to Initialize Retransmission.");
1324         return res;
1325     }
1326
1327 #ifdef WITH_BWT
1328     // block-wise transfer initialize
1329     res = CAInitializeBlockWiseTransfer(CAAddDataToSendThread, CAAddDataToReceiveThread);
1330     if (CA_STATUS_OK != res)
1331     {
1332         OIC_LOG(ERROR, TAG, "Failed to Initialize BlockWiseTransfer.");
1333         return res;
1334     }
1335 #endif
1336
1337     // start retransmission
1338     res = CARetransmissionStart(&g_retransmissionContext);
1339     if (CA_STATUS_OK != res)
1340     {
1341         OIC_LOG(ERROR, TAG, "thread start error(retransmission thread).");
1342         return res;
1343     }
1344
1345     // initialize interface adapters by controller
1346     CAInitializeAdapters(g_threadPoolHandle, transportType);
1347     CASetNetworkMonitorCallbacks(CAAdapterStateChangedCallback, CAConnectionStateChangedCallback);
1348 #else
1349     // retransmission initialize
1350     CAResult_t res = CARetransmissionInitialize(&g_retransmissionContext, NULL, CASendUnicastData,
1351                                                 CATimeoutCallback, NULL);
1352     if (CA_STATUS_OK != res)
1353     {
1354         OIC_LOG(ERROR, TAG, "Failed to Initialize Retransmission.");
1355         return res;
1356     }
1357
1358     CAInitializeAdapters();
1359 #endif // SINGLE_THREAD
1360
1361     return CA_STATUS_OK;
1362 }
1363
1364 static bool CAClearQueueAdapterDataContext(void *data, uint32_t size, void *ctx)
1365 {
1366     (void)size;
1367
1368     if (NULL == data || NULL == ctx)
1369     {
1370         return false;
1371     }
1372
1373     CAData_t *caData = (CAData_t *)data;
1374     CATransportAdapter_t *type = (CATransportAdapter_t *)ctx;
1375
1376     if (NULL != caData && NULL != caData->remoteEndpoint
1377         && caData->remoteEndpoint->adapter == *type)
1378     {
1379         return true;
1380     }
1381     return false;
1382 }
1383
1384 void CAClearMessageHandler(CATransportAdapter_t transportType)
1385 {
1386     CATransportAdapter_t *typeCtx = &transportType;
1387
1388     CAResult_t res = CAQueueingThreadClearContextData(&g_sendThread,
1389                                                       CAClearQueueAdapterDataContext,
1390                                                       typeCtx);
1391
1392     if (res != CA_STATUS_OK)
1393     {
1394         OIC_LOG_V(ERROR, TAG, "Clear send data failed[%d]", res);
1395     }
1396
1397     if (transportType & DEFAULT_RETRANSMISSION_TYPE)
1398     {
1399         res = CARetransmissionClearAdapterData(&g_retransmissionContext, transportType);
1400         if (res != CA_STATUS_OK)
1401         {
1402             OIC_LOG_V(ERROR, TAG, "Clear retransmission data failed[%d]", res);
1403         }
1404     }
1405 }
1406
1407 void CATerminateMessageHandler()
1408 {
1409 #ifndef SINGLE_THREAD
1410     CATransportAdapter_t connType;
1411     u_arraylist_t *list = CAGetSelectedNetworkList();
1412     uint32_t length = u_arraylist_length(list);
1413
1414  #ifdef WITH_PROCESS_EVENT
1415     g_processEvent = NULL;
1416 #endif
1417
1418     uint32_t i = 0;
1419     for (i = 0; i < length; i++)
1420     {
1421         void* ptrType = u_arraylist_get(list, i);
1422
1423         if (NULL == ptrType)
1424         {
1425             continue;
1426         }
1427
1428         connType = *(CATransportAdapter_t *)ptrType;
1429         CAStopAdapter(connType);
1430     }
1431
1432     // stop retransmission
1433     if (NULL != g_retransmissionContext.threadMutex)
1434     {
1435         CARetransmissionStop(&g_retransmissionContext);
1436     }
1437
1438     // stop thread
1439     // delete thread data
1440     if (NULL != g_sendThread.threadMutex)
1441     {
1442         CAQueueingThreadStop(&g_sendThread);
1443     }
1444
1445     // stop thread
1446     // delete thread data
1447     if (NULL != g_receiveThread.threadMutex)
1448     {
1449 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
1450         CAQueueingThreadStop(&g_receiveThread);
1451 #endif
1452     }
1453
1454     // destroy thread pool
1455     if (NULL != g_threadPoolHandle)
1456     {
1457         ca_thread_pool_free(g_threadPoolHandle);
1458         g_threadPoolHandle = NULL;
1459     }
1460
1461 #ifdef WITH_BWT
1462     CATerminateBlockWiseTransfer();
1463 #endif
1464     CARetransmissionDestroy(&g_retransmissionContext);
1465     CAQueueingThreadDestroy(&g_sendThread);
1466     CAQueueingThreadDestroy(&g_receiveThread);
1467
1468     // terminate interface adapters by controller
1469     CATerminateAdapters();
1470 #else
1471     // terminate interface adapters by controller
1472     CATerminateAdapters();
1473
1474     // stop retransmission
1475     CARetransmissionStop(&g_retransmissionContext);
1476     CARetransmissionDestroy(&g_retransmissionContext);
1477 #endif // SINGLE_THREAD
1478 }
1479
1480 static void CALogPayloadInfo(CAInfo_t *info)
1481 {
1482     if (info)
1483     {
1484         if (info->options)
1485         {
1486             for (uint32_t i = 0; i < info->numOptions; i++)
1487             {
1488                 OIC_LOG_V(DEBUG, TAG, "optionID: %u", info->options[i].optionID);
1489
1490                 OIC_LOG_V(DEBUG, TAG, "list: %s", info->options[i].optionData);
1491             }
1492         }
1493
1494         if (info->payload)
1495         {
1496             OIC_LOG_V(DEBUG, TAG, "payload: %p(%zu)", info->payload,
1497                       info->payloadSize);
1498         }
1499
1500         if (info->token)
1501         {
1502             OIC_LOG(DEBUG, TAG, "token:");
1503             OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *) info->token,
1504                            info->tokenLength);
1505         }
1506         OIC_LOG_V(DEBUG, TAG, "msgID: %u", info->messageId);
1507     }
1508     else
1509     {
1510         OIC_LOG(DEBUG, TAG, "info is NULL, cannot output log data");
1511     }
1512 }
1513
1514 void CAErrorHandler(const CAEndpoint_t *endpoint,
1515                     const void *data, uint32_t dataLen,
1516                     CAResult_t result)
1517 {
1518     OIC_LOG(DEBUG, TAG, "CAErrorHandler IN");
1519     VERIFY_NON_NULL_VOID(endpoint, TAG, "remoteEndpoint");
1520     VERIFY_NON_NULL_VOID(data, TAG, "data");
1521
1522     if (0 == dataLen)
1523     {
1524         OIC_LOG(ERROR, TAG, "dataLen is zero");
1525         return;
1526     }
1527
1528 #ifndef SINGLE_THREAD
1529     uint32_t code = CA_NOT_FOUND;
1530     //Do not free remoteEndpoint and data. Currently they will be freed in data thread
1531     //Get PDU data
1532     coap_pdu_t *pdu = (coap_pdu_t *)CAParsePDU((const char *)data, dataLen, &code, endpoint);
1533     if (NULL == pdu)
1534     {
1535         OIC_LOG(ERROR, TAG, "Parse PDU failed");
1536         return;
1537     }
1538
1539     CAData_t *cadata = CAGenerateHandlerData(endpoint, NULL, pdu, CA_ERROR_DATA);
1540     if (!cadata)
1541     {
1542         OIC_LOG(ERROR, TAG, "CAErrorHandler, CAGenerateHandlerData failed!");
1543         coap_delete_pdu(pdu);
1544         return;
1545     }
1546
1547     cadata->errorInfo->result = result;
1548
1549     CAResult_t res = CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t), false);
1550     if (res != CA_STATUS_OK)
1551     {
1552         OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
1553         CADestroyData(cadata, sizeof(CAData_t));
1554         coap_delete_pdu(pdu);
1555         return;
1556     }
1557
1558 #ifdef WITH_PROCESS_EVENT
1559     if (g_processEvent)
1560     {
1561         oc_event_signal(g_processEvent);
1562     }
1563 #endif
1564     coap_delete_pdu(pdu);
1565 #else
1566     (void)result;
1567 #endif
1568
1569     OIC_LOG(DEBUG, TAG, "CAErrorHandler OUT");
1570     return;
1571 }
1572
1573 static void CASendErrorInfo(const CAEndpoint_t *endpoint, const CAInfo_t *info, CAResult_t result)
1574 {
1575     OIC_LOG(DEBUG, TAG, "CASendErrorInfo IN");
1576 #ifndef SINGLE_THREAD
1577     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
1578     if (!cadata)
1579     {
1580         OIC_LOG(ERROR, TAG, "cadata memory allocation failed");
1581         return;
1582     }
1583
1584     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
1585     if (!ep)
1586     {
1587         OIC_LOG(ERROR, TAG, "endpoint clone failed");
1588         OICFree(cadata);
1589         return;
1590     }
1591
1592     CAErrorInfo_t *errorInfo = (CAErrorInfo_t *)OICCalloc(1, sizeof (CAErrorInfo_t));
1593     if (!errorInfo)
1594     {
1595         OIC_LOG(ERROR, TAG, "errorInfo memory allocation failed");
1596         OICFree(cadata);
1597         CAFreeEndpoint(ep);
1598         return;
1599     }
1600
1601     CAResult_t res = CACloneInfo(info, &errorInfo->info);
1602     if (CA_STATUS_OK != res)
1603     {
1604         OIC_LOG(ERROR, TAG, "info clone failed");
1605         OICFree(cadata);
1606         OICFree(errorInfo);
1607         CAFreeEndpoint(ep);
1608         return;
1609     }
1610
1611     errorInfo->result = result;
1612     cadata->remoteEndpoint = ep;
1613     cadata->errorInfo = errorInfo;
1614     cadata->dataType = CA_ERROR_DATA;
1615
1616     res = CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t), false);
1617     if (res != CA_STATUS_OK)
1618     {
1619         OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
1620         CADestroyData(cadata, sizeof(CAData_t));
1621         return;
1622     }
1623
1624 #ifdef WITH_PROCESS_EVENT
1625     if (g_processEvent)
1626     {
1627         oc_event_signal(g_processEvent);
1628     }
1629 #endif//WITH_PROCESS_EVENT
1630 #endif
1631     OIC_LOG(DEBUG, TAG, "CASendErrorInfo OUT");
1632 }
1633
1634
1635
1636 #ifndef ARDUINO
1637 #ifdef __TIZENRT__
1638 static void CALogPDUInfo(const CAData_t *data, const coap_pdu_t *pdu)
1639 {
1640
1641         if(data == NULL || pdu == NULL)
1642         {
1643                 printf("INVALID INPUT, CALogPDUInfo FAIL\n");
1644         }
1645
1646         char type[30] = "";
1647
1648         switch(data->dataType)
1649         {
1650                 case CA_REQUEST_DATA:
1651                         strncpy(type, "\e[32mREQUEST  <<<<\e[m", 30);
1652                         break;
1653                 case CA_RESPONSE_DATA:
1654                         strncpy(type, "\e[36mRESPONSE >>>>\e[m", 30);
1655                         break;
1656                 case CA_ERROR_DATA:
1657                         strncpy(type, "ERROR", 30);
1658                         break;
1659                 case CA_RESPONSE_FOR_RES:
1660                         strncpy(type, "RESP_RES >>>>", 30);
1661                         break;
1662                 default:
1663                         snprintf(type, 30, "Type : %d", data->dataType);
1664                         break;
1665         }
1666
1667
1668         char method[20] = "";
1669         const CAInfo_t *info = NULL;
1670         if (NULL != data->requestInfo)
1671         {
1672                 switch(data->requestInfo->method)
1673                 {
1674                         case CA_GET:
1675                                 strncpy(method, "GET", 20);
1676                                 break;
1677                         case CA_POST:
1678                                 strncpy(method, "POST", 20);
1679                                 break;
1680                         case CA_PUT:
1681                                 strncpy(method, "PUT", 20);
1682                                 break;
1683                         case CA_DELETE:
1684                                 strncpy(method, "DEL", 20);
1685                                 break;
1686                         default:
1687                                 sprintf(method, "Method : %d", data->requestInfo->method);
1688                                 break;
1689                 }
1690                 info = &data->requestInfo->info;
1691         }
1692
1693         if(NULL != data->responseInfo)
1694         {
1695
1696                 sprintf(method, "result : %d", data->responseInfo->result);
1697                 info = &data->responseInfo->info;
1698         }
1699
1700
1701         char log_buffer[1024] = "";
1702         sprintf(log_buffer, "CA_LOG [%5d] | %-13s | %-12s | msg size : %4d | %s", pdu->transport_hdr->udp.id , type, method, pdu->length, info->resourceUri);
1703
1704         if(NULL != info)
1705         {
1706                 sprintf(log_buffer, "CA_LOG [%5d] | %-13s | %-12s | msg size : %4d | %s", pdu->transport_hdr->udp.id , type, method, pdu->length, info->resourceUri);
1707         }
1708
1709         puts(log_buffer);
1710 }
1711
1712
1713 #else
1714
1715 static void CALogPDUInfo(const CAData_t *data, const coap_pdu_t *pdu)
1716 {
1717     OIC_LOG(DEBUG, TAG, "CALogPDUInfo");
1718
1719     VERIFY_NON_NULL_VOID(data, TAG, "data");
1720     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
1721     OIC_TRACE_BEGIN(%s:CALogPDUInfo, TAG);
1722
1723     OIC_LOG(INFO, ANALYZER_TAG, "=================================================");
1724     if(SEND_TYPE_MULTICAST == data->type)
1725     {
1726         OIC_LOG(INFO, ANALYZER_TAG, "Is Multicast = true");
1727     }
1728     else
1729     {
1730         OIC_LOG(INFO, ANALYZER_TAG, "Is Multicast = false");
1731     }
1732
1733     if (NULL != data->remoteEndpoint)
1734     {
1735         CALogAdapterTypeInfo(data->remoteEndpoint->adapter);
1736         OIC_LOG_V(DEBUG, ANALYZER_TAG, "Address = [%s]:[%d]", data->remoteEndpoint->addr,
1737                   data->remoteEndpoint->port);
1738     }
1739
1740     switch(data->dataType)
1741     {
1742         case CA_REQUEST_DATA:
1743             OIC_LOG(INFO, ANALYZER_TAG, "Data Type = [CA_REQUEST_DATA]");
1744             break;
1745         case CA_RESPONSE_DATA:
1746             OIC_LOG(INFO, ANALYZER_TAG, "Data Type = [CA_RESPONSE_DATA]");
1747             break;
1748         case CA_ERROR_DATA:
1749             OIC_LOG(INFO, ANALYZER_TAG, "Data Type = [CA_ERROR_DATA]");
1750             break;
1751         case CA_RESPONSE_FOR_RES:
1752             OIC_LOG(INFO, ANALYZER_TAG, "Data Type = [CA_RESPONSE_FOR_RES]");
1753             break;
1754         default:
1755             OIC_LOG_V(INFO, ANALYZER_TAG, "Data Type = [%d]", data->dataType);
1756             break;
1757     }
1758
1759     const CAInfo_t *info = NULL;
1760     if (NULL != data->requestInfo)
1761     {
1762         switch(data->requestInfo->method)
1763         {
1764             case CA_GET:
1765                 OIC_LOG(INFO, ANALYZER_TAG, "Method = [GET]");
1766                 break;
1767             case CA_POST:
1768                 OIC_LOG(INFO, ANALYZER_TAG, "Method = [POST]");
1769                 break;
1770             case CA_PUT:
1771                 OIC_LOG(INFO, ANALYZER_TAG, "Method = [PUT]");
1772                 break;
1773             case CA_DELETE:
1774                 OIC_LOG(INFO, ANALYZER_TAG, "Method = [DELETE]");
1775                 break;
1776             default:
1777                 OIC_LOG_V(INFO, ANALYZER_TAG, "Method = [%d]", data->requestInfo->method);
1778                 break;
1779         }
1780         info = &data->requestInfo->info;
1781     }
1782
1783     if (NULL != data->responseInfo)
1784     {
1785         OIC_LOG_V(INFO, ANALYZER_TAG, "result code = [%d]", data->responseInfo->result);
1786         info = &data->responseInfo->info;
1787     }
1788
1789     if (pdu->transport_hdr)
1790     {
1791         OIC_LOG_V(INFO, ANALYZER_TAG, "Msg ID = [%d]", pdu->transport_hdr->udp.id);
1792     }
1793
1794     if (info)
1795     {
1796         OIC_LOG(INFO, ANALYZER_TAG, "Coap Token");
1797         OIC_LOG_BUFFER(INFO, ANALYZER_TAG, (const uint8_t *) info->token, info->tokenLength);
1798         OIC_TRACE_BUFFER("OIC_CA_MSG_HANDLE:CALogPDUInfo:token",
1799                          (const uint8_t *) info->token, info->tokenLength);
1800         OIC_LOG_V(INFO_PRIVATE, ANALYZER_TAG, "Res URI = [%s]", info->resourceUri);
1801         OIC_TRACE_MARK(%s:CALogPDUInfo:uri:%s, TAG, info->resourceUri);
1802
1803         if (CA_FORMAT_APPLICATION_CBOR == info->payloadFormat)
1804         {
1805             OIC_LOG(INFO, ANALYZER_TAG, "Payload Format = [CA_FORMAT_APPLICATION_CBOR]");
1806         }
1807         else
1808         {
1809             OIC_LOG_V(INFO, ANALYZER_TAG, "Payload Format = [%d]", info->payloadFormat);
1810         }
1811     }
1812
1813     size_t payloadLen = (pdu->data) ? (unsigned char *) pdu->hdr + pdu->length - pdu->data : 0;
1814     OIC_LOG_V(INFO, ANALYZER_TAG, "CoAP Message Full Size = [%u]", pdu->length);
1815     OIC_LOG(INFO, ANALYZER_TAG, "CoAP Header (+ 0xFF)");
1816     OIC_LOG_BUFFER(INFO, ANALYZER_TAG,  (const uint8_t *) pdu->transport_hdr,
1817                    pdu->length - payloadLen);
1818     OIC_LOG_V(INFO, ANALYZER_TAG, "CoAP Header size = [%" PRIuPTR "]", (size_t) pdu->length - payloadLen);
1819
1820     OIC_LOG_V(INFO, ANALYZER_TAG, "CoAP Payload");
1821     OIC_LOG_BUFFER(INFO_PRIVATE, ANALYZER_TAG, pdu->data, payloadLen);
1822     OIC_LOG_V(INFO, ANALYZER_TAG, "CoAP Payload Size = [%" PRIuPTR "]", payloadLen);
1823     OIC_LOG(INFO, ANALYZER_TAG, "=================================================");
1824
1825     // samsung log
1826     CASamsungLogMessage(data, pdu);
1827     OIC_TRACE_END();
1828 }
1829
1830 static void CASamsungLogMessage(const CAData_t *data, const coap_pdu_t *pdu)
1831 {
1832     OIC_LOG(INFO, TAG, "CASamsungLogMessage");
1833     VERIFY_NON_NULL_VOID(data, TAG, "data");
1834     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
1835     VERIFY_NON_NULL_VOID(data->remoteEndpoint, TAG, "data->remoteEndpoint");
1836
1837     const CAInfo_t *info = NULL;
1838     if (NULL != data->requestInfo)
1839     {
1840         info = &data->requestInfo->info;
1841     }
1842
1843     if (NULL != data->responseInfo)
1844     {
1845         info = &data->responseInfo->info;
1846     }
1847
1848     VERIFY_NON_NULL_VOID(info, TAG, "info");
1849
1850     memset(g_headerBuffer, 0, MAX_LOG_BUFFER_SIZE);
1851     g_headerIndex = 0;
1852
1853     g_headerBuffer[g_headerIndex++] = data->dataType;
1854     g_headerBuffer[g_headerIndex++] = '|';
1855     g_headerBuffer[g_headerIndex++] = data->remoteEndpoint->adapter;
1856     g_headerBuffer[g_headerIndex++] = '|';
1857     g_headerBuffer[g_headerIndex++] = data->type;
1858     g_headerBuffer[g_headerIndex++] = '|';
1859
1860     if (NULL != data->remoteEndpoint)
1861     {
1862         int i = 0;
1863         while (data->remoteEndpoint->addr[i])
1864         {
1865             g_headerBuffer[g_headerIndex++] = data->remoteEndpoint->addr[i];
1866             i++;
1867         }
1868         g_headerBuffer[g_headerIndex++] = ':';
1869         g_headerBuffer[g_headerIndex++] = (data->remoteEndpoint->port >> 8) & 0x0000ff;
1870         g_headerBuffer[g_headerIndex++] = data->remoteEndpoint->port & 0x000000ff;
1871     }
1872
1873     g_headerBuffer[g_headerIndex++] = '|';
1874     if (data->requestInfo)
1875     {
1876         g_headerBuffer[g_headerIndex++] = data->requestInfo->method;
1877     }
1878     else
1879     {
1880         g_headerBuffer[g_headerIndex++] = 0;
1881     }
1882
1883     g_headerBuffer[g_headerIndex++] = '|';
1884     if (data->responseInfo)
1885     {
1886         g_headerBuffer[g_headerIndex++] = data->responseInfo->result;
1887     }
1888     else
1889     {
1890         g_headerBuffer[g_headerIndex++] = 0;
1891     }
1892     g_headerBuffer[g_headerIndex++] = '|';
1893
1894     if (pdu->transport_hdr)
1895     {
1896         g_headerBuffer[g_headerIndex++] = (pdu->transport_hdr->udp.id >> 8) & 0x0000ff;
1897         g_headerBuffer[g_headerIndex++] = pdu->transport_hdr->udp.id & 0x000000ff;
1898     }
1899     else
1900     {
1901         g_headerBuffer[g_headerIndex++] = 0;
1902         g_headerBuffer[g_headerIndex++] = 0;
1903     }
1904     g_headerBuffer[g_headerIndex++] = '|';
1905
1906     if (info->token && info->tokenLength > 0)
1907     {
1908         for (size_t i = 0; i < info->tokenLength; i++)
1909         {
1910             g_headerBuffer[g_headerIndex++] = info->token[i];
1911         }
1912         g_headerBuffer[g_headerIndex++] = '|';
1913     }
1914
1915     if (info->resourceUri)
1916     {
1917         size_t i = 0;
1918         while (info->resourceUri[i])
1919         {
1920             g_headerBuffer[g_headerIndex++] = info->resourceUri[i];
1921             i++;
1922         }
1923         g_headerBuffer[g_headerIndex++] = '|';
1924     }
1925
1926     OIC_LOG_CA_BUFFER(INFO, TAG, (uint8_t *) g_headerBuffer, g_headerIndex, 1);
1927     size_t payloadLen = (unsigned char *) pdu->hdr + pdu->length - pdu->data;
1928     OIC_LOG_CA_BUFFER(INFO_PRIVATE, TAG, pdu->data, payloadLen, 0);
1929 }
1930 #endif
1931
1932 #else
1933 static void CALogPDUInfo(const CAData_t *data, const coap_pdu_t *pdu)
1934 {
1935     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
1936     (void)data;
1937
1938     OIC_LOG_V(DEBUG, TAG, "PDU Maker - payload : %s", pdu->data);
1939     OIC_LOG_V(DEBUG, TAG, "PDU Maker - type : %d", pdu->transport_hdr->udp.type);
1940     OIC_LOG_V(DEBUG, TAG, "PDU Maker - code : %d", pdu->transport_hdr->udp.code);
1941     OIC_LOG(DEBUG, TAG, "PDU Maker - token :");
1942     OIC_LOG_BUFFER(DEBUG, TAG, pdu->transport_hdr->udp.token,
1943                    pdu->transport_hdr->udp.token_length);
1944 }
1945 #endif
1946
1947 #ifdef WITH_PROCESS_EVENT
1948 void CARegisterMessageProcessEvent(oc_event event)
1949 {
1950     g_processEvent = event;
1951 }
1952 #endif // WITH_PROCESS_EVENT