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             && ep->ifindex == item->ifindex && memcmp(item->token, token, tokenLength) == 0)
 772         {
 773             OIC_LOG_V(INFO, TAG, "IPv%c duplicate message ignored",
 774                       familyFlags & CA_IPV6 ? '6' : '4');
 775             ret = true;
 776             break;
 777         }
 778     }
 779
 780     history->items[history->nextIndex].flags = familyFlags;
 781     history->items[history->nextIndex].messageId = id;
 782     history->items[history->nextIndex].ifindex = ep->ifindex;
 783     if (token && tokenLength)
 784     {
 785         memcpy(history->items[history->nextIndex].token, token, tokenLength);
 786         history->items[history->nextIndex].tokenLength = tokenLength;
 787     }
 788
 789     if (++history->nextIndex >= HISTORYSIZE)
 790     {
 791         history->nextIndex = 0;
 792     }
 793
 794     return ret;
 795 }
 796
 797 static CAResult_t CAReceivedPacketCallback(const CASecureEndpoint_t *sep,
 798                                            const void *data, uint32_t dataLen)
 799 {
 800     VERIFY_NON_NULL(sep, TAG, "remoteEndpoint");
 801     VERIFY_NON_NULL(data, TAG, "data");
 802     OIC_TRACE_BEGIN(%s:CAReceivedPacketCallback, TAG);
 803
 804     if (0 == dataLen)
 805     {
 806         OIC_LOG(ERROR, TAG, "dataLen is zero");
 807         OIC_TRACE_END();
 808
 809         return CA_STATUS_FAILED;
 810     }
 811
 812     // samsung log
 813     OIC_LOG(DEBUG, TAG, "received pdu data :");
 814     if (dataLen < 32)
 815     {
 816         OIC_LOG_BUFFER(DEBUG, TAG,  data, dataLen);
 817     }
 818     else
 819     {
 820         OIC_LOG_BUFFER(DEBUG, TAG,  data, 32);
 821     }
 822
 823     CAResult_t res = CA_STATUS_OK;
 824     uint32_t code = CA_NOT_FOUND;
 825     CAData_t *cadata = NULL;
 826
 827     coap_pdu_t *pdu = (coap_pdu_t *) CAParsePDU((const char *) data, dataLen, &code,
 828                                                 &(sep->endpoint));
 829     if (NULL == pdu)
 830     {
 831         OIC_LOG(ERROR, TAG, "Parse PDU failed");
 832         res = CA_STATUS_FAILED;
 833         goto exit;
 834     }
 835
 836     OIC_LOG_V(DEBUG, TAG, "code = %d", code);
 837     if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
 838     {
 839         cadata = CAGenerateHandlerData(&(sep->endpoint), &(sep->identity), pdu, CA_REQUEST_DATA);
 840         if (!cadata)
 841         {
 842             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, CAGenerateHandlerData failed!");
 843             coap_delete_pdu(pdu);
 844             goto exit;
 845         }
 846     }
 847     else
 848     {
 849         cadata = CAGenerateHandlerData(&(sep->endpoint), &(sep->identity), pdu, CA_RESPONSE_DATA);
 850         if (!cadata)
 851         {
 852             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, CAGenerateHandlerData failed!");
 853             coap_delete_pdu(pdu);
 854             goto exit;
 855         }
 856
 857 #ifdef WITH_TCP
 858         if (CAIsSupportedCoAPOverTCP(sep->endpoint.adapter))
 859         {
 860             OIC_LOG(INFO, TAG, "retransmission is not supported");
 861         }
 862         else
 863 #endif
 864         {
 865             // for retransmission
 866             void *retransmissionPdu = NULL;
 867             CARetransmissionReceivedData(&g_retransmissionContext, cadata->remoteEndpoint, pdu->transport_hdr,
 868                                          pdu->length, &retransmissionPdu);
 869
 870             // get token from saved data in retransmission list
 871             if (retransmissionPdu && CA_EMPTY == code)
 872             {
 873                 if (cadata->responseInfo)
 874                 {
 875                     CAInfo_t *info = &cadata->responseInfo->info;
 876                     CAResult_t res = CAGetTokenFromPDU((const coap_hdr_transport_t *)retransmissionPdu,
 877                                                        info, &(sep->endpoint));
 878                     if (CA_STATUS_OK != res)
 879                     {
 880                         OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
 881                         OICFree(info->token);
 882                         info->token = NULL;
 883                         info->tokenLength = 0;
 884                     }
 885                 }
 886             }
 887             OICFree(retransmissionPdu);
 888         }
 889     }
 890
 891     cadata->type = SEND_TYPE_UNICAST;
 892
 893     CALogPDUInfo(cadata, pdu);
 894
 895 #ifdef SINGLE_THREAD
 896     CAProcessReceivedData(cadata);
 897 #else
 898 #ifdef WITH_BWT
 899     if (CAIsSupportedBlockwiseTransfer(sep->endpoint.adapter))
 900     {
 901         CAResult_t res = CAReceiveBlockWiseData(pdu, &(sep->endpoint), cadata, dataLen);
 902         if (CA_NOT_SUPPORTED == res || CA_REQUEST_TIMEOUT == res)
 903         {
 904             OIC_LOG(DEBUG, TAG, "this message does not have block option");
 905             CAAddDataToReceiveThread(cadata);
 906         }
 907         else
 908         {
 909             CADestroyData(cadata, sizeof(CAData_t));
 910         }
 911     }
 912     else
 913 #endif
 914     {
 915         CAResult_t result = CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t), false);
 916         if (result != CA_STATUS_OK)
 917         {
 918             OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
 919             CADestroyData(cadata, sizeof(CAData_t));
 920             coap_delete_pdu(pdu);
 921             goto exit;
 922         }
 923
 924 #ifdef WITH_PROCESS_EVENT
 925         if (g_processEvent)
 926         {
 927             oc_event_signal(g_processEvent);
 928         }
 929 #endif
 930     }
 931 #endif // SINGLE_THREAD
 932
 933     coap_delete_pdu(pdu);
 934
 935 exit:
 936     OIC_LOG(DEBUG, TAG, "OUT - Recv Thread");
 937     OIC_TRACE_END();
 938     return res;
 939 }
 940
 941 static void CAAdapterStateChangedCallback(CATransportAdapter_t transportType, bool enabled)
 942 {
 943     if (!enabled)
 944     {
 945         CAClearMessageHandler(transportType);
 946     }
 947 }
 948
 949 static bool CAClearQueueEndpointDataContext(void *data, uint32_t size, void *ctx)
 950 {
 951     UNUSED(size);
 952     if (NULL == data || NULL == ctx)
 953     {
 954         return false;
 955     }
 956
 957     CAData_t *caData = (CAData_t *)data;
 958     const CAEndpoint_t *endpoint = (const CAEndpoint_t *)ctx;
 959
 960     if (NULL != caData && NULL != caData->remoteEndpoint)
 961     {
 962         if (strcmp(caData->remoteEndpoint->addr, endpoint->addr) == 0
 963             && caData->remoteEndpoint->port == endpoint->port
 964             && caData->remoteEndpoint->adapter == endpoint->adapter)
 965         {
 966             return true;
 967         }
 968     }
 969     return false;
 970 }
 971
 972 static void CAConnectionStateChangedCallback(const CAEndpoint_t *info, bool isConnected)
 973 {
 974     if (!isConnected)
 975     {
 976         CAResult_t res = CAQueueingThreadClearContextData(&g_sendThread,
 977                                                           CAClearQueueEndpointDataContext,
 978                                                           (void *)info);
 979         if (CA_STATUS_OK != res)
 980         {
 981             OIC_LOG(ERROR, TAG, "Could not clear the send queue");
 982         }
 983     }
 984 }
 985
 986 static u_queue_message_t *get_receive_queue_item(void)
 987 {
 988     u_queue_message_t *item = NULL;
 989
 990     oc_mutex_lock(g_receiveThread.threadMutex);
 991     item = u_queue_get_element(g_receiveThread.dataQueue);
 992     oc_mutex_unlock(g_receiveThread.threadMutex);
 993
 994     return item;
 995 }
 996
 997
 998 void CAHandleRequestResponseCallbacks()
 999 {
1000 #ifdef SINGLE_THREAD
1001     CAReadData();
1002     CARetransmissionBaseRoutine((void *)&g_retransmissionContext);
1003 #else
1004 #ifdef SINGLE_HANDLE
1005     // parse the data and call the callbacks.
1006     // #1 parse the data
1007     // #2 get endpoint
1008
1009     u_queue_message_t *item = NULL;
1010 #ifdef WITH_PROCESS_EVENT
1011     while ((item = get_receive_queue_item()) != NULL)
1012 #else
1013     if ((item = get_receive_queue_item()) != NULL)
1014 #endif
1015     {        if (NULL == item->msg)
1016         {
1017             OICFree(item);
1018 #ifdef WITH_PROCESS_EVENT
1019             continue;
1020 #else
1021             return;
1022 #endif
1023         }
1024
1025         // get endpoint
1026         CAData_t *td = (CAData_t *) item->msg;
1027
1028         if (td->requestInfo && g_requestHandler)
1029         {
1030             OIC_LOG_V(DEBUG, TAG, "request callback : %d", td->requestInfo->info.numOptions);
1031             g_requestHandler(td->remoteEndpoint, td->requestInfo);
1032         }
1033         else if (td->responseInfo && g_responseHandler)
1034         {
1035             OIC_LOG_V(DEBUG, TAG, "response callback : %d", td->responseInfo->info.numOptions);
1036             g_responseHandler(td->remoteEndpoint, td->responseInfo);
1037         }
1038         else if (td->errorInfo && g_errorHandler)
1039         {
1040             OIC_LOG_V(DEBUG, TAG, "error callback error: %d", td->errorInfo->result);
1041             g_errorHandler(td->remoteEndpoint, td->errorInfo);
1042         }
1043
1044         CADestroyData(item->msg, sizeof(CAData_t));
1045         OICFree(item);
1046     }
1047 #endif // SINGLE_HANDLE
1048 #endif // SINGLE_THREAD
1049 }
1050
1051 static CAData_t* CAPrepareSendData(const CAEndpoint_t *endpoint, const void *sendData,
1052                                    CADataType_t dataType)
1053 {
1054     OIC_LOG(DEBUG, TAG, "CAPrepareSendData IN");
1055
1056     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
1057     if (!cadata)
1058     {
1059         OIC_LOG(ERROR, TAG, "memory allocation failed");
1060         return NULL;
1061     }
1062
1063     if (CA_REQUEST_DATA == dataType)
1064     {
1065 #ifdef SINGLE_THREAD
1066         CARequestInfo_t *request = (CARequestInfo_t *)sendData;
1067 #else
1068         // clone request info
1069         CARequestInfo_t *request = CACloneRequestInfo((CARequestInfo_t *)sendData);
1070         if (!request)
1071         {
1072             OIC_LOG(ERROR, TAG, "CACloneRequestInfo failed");
1073             goto exit;
1074         }
1075 #endif
1076         cadata->type = request->isMulticast ? SEND_TYPE_MULTICAST : SEND_TYPE_UNICAST;
1077         cadata->requestInfo =  request;
1078     }
1079     else if (CA_RESPONSE_DATA == dataType || CA_RESPONSE_FOR_RES == dataType)
1080     {
1081 #ifdef SINGLE_THREAD
1082         CAResponseInfo_t *response = (CAResponseInfo_t *)sendData;
1083 #else
1084         // clone response info
1085         CAResponseInfo_t *response = CACloneResponseInfo((CAResponseInfo_t *)sendData);
1086         if (!response)
1087         {
1088             OIC_LOG(ERROR, TAG, "CACloneResponseInfo failed");
1089             goto exit;
1090         }
1091 #endif
1092         cadata->type = response->isMulticast ? SEND_TYPE_MULTICAST : SEND_TYPE_UNICAST;
1093         cadata->responseInfo = response;
1094     }
1095     else
1096     {
1097         OIC_LOG(ERROR, TAG, "CAPrepareSendData unknown data type");
1098         goto exit;
1099     }
1100
1101 #ifdef SINGLE_THREAD
1102     CAEndpoint_t* ep = endpoint;
1103 #else
1104     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
1105     if (!ep)
1106     {
1107         OIC_LOG(ERROR, TAG, "endpoint clone failed");
1108         goto exit;
1109     }
1110 #endif
1111     cadata->remoteEndpoint = ep;
1112     cadata->dataType = dataType;
1113     return cadata;
1114
1115 exit:
1116 #ifndef SINGLE_THREAD
1117     CADestroyData(cadata, sizeof(CAData_t));
1118 #else
1119     OICFree(cadata);
1120 #endif
1121     return NULL;
1122 }
1123
1124 CAResult_t CADetachSendNetworkReqMessage(const CAEndpoint_t *endpoint,
1125                                          CAConnectEvent_t event,
1126                                          CADataType_t dataType)
1127 {
1128     VERIFY_NON_NULL(endpoint, TAG, "endpoint");
1129
1130     if (false == CAIsSelectedNetworkAvailable())
1131     {
1132         return CA_STATUS_FAILED;
1133     }
1134
1135 #ifndef SINGLE_THREAD
1136     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
1137     if (!cadata)
1138     {
1139         OIC_LOG(ERROR, TAG, "cadata memory allocation failed");
1140         return CA_MEMORY_ALLOC_FAILED;
1141     }
1142
1143     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
1144     if (!ep)
1145     {
1146         OIC_LOG(ERROR, TAG, "endpoint clone failed");
1147         OICFree(cadata);
1148         return CA_MEMORY_ALLOC_FAILED;
1149     }
1150
1151     cadata->remoteEndpoint = ep;
1152     cadata->eventInfo = event;
1153     cadata->dataType = dataType;
1154
1155     CAResult_t result = CAQueueingThreadAddData(&g_sendThread, cadata, sizeof(CAData_t), true);
1156     if (result != CA_STATUS_OK)
1157     {
1158         OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
1159         CADestroyData(cadata, sizeof(CAData_t));
1160         return result;
1161     }
1162 #endif
1163
1164     return CA_STATUS_OK;
1165 }
1166
1167 CAResult_t CADetachSendMessage(const CAEndpoint_t *endpoint, const void *sendMsg,
1168                                CADataType_t dataType)
1169 {
1170     VERIFY_NON_NULL(endpoint, TAG, "endpoint");
1171     VERIFY_NON_NULL(sendMsg, TAG, "sendMsg");
1172
1173     if (false == CAIsSelectedNetworkAvailable())
1174     {
1175         return CA_STATUS_FAILED;
1176     }
1177
1178 #ifdef ARDUINO
1179     // If max retransmission queue is reached, then don't handle new request
1180     if (CA_MAX_RT_ARRAY_SIZE == u_arraylist_length(g_retransmissionContext.dataList))
1181     {
1182         OIC_LOG(ERROR, TAG, "max RT queue size reached!");
1183         return CA_SEND_FAILED;
1184     }
1185 #endif // ARDUINO
1186
1187     CAData_t *data = CAPrepareSendData(endpoint, sendMsg, dataType);
1188     if(!data)
1189     {
1190         OIC_LOG(ERROR, TAG, "CAPrepareSendData failed");
1191         return CA_MEMORY_ALLOC_FAILED;
1192     }
1193
1194     OIC_LOG_V(INFO_PRIVATE, TAG, "DID of endpoint of this message is %s", endpoint->remoteId);
1195
1196 #ifdef SINGLE_THREAD
1197     CAResult_t result = CAProcessSendData(data);
1198     if (CA_STATUS_OK != result)
1199     {
1200         OIC_LOG(ERROR, TAG, "CAProcessSendData failed");
1201         OICFree(data);
1202         return result;
1203     }
1204
1205     OICFree(data);
1206
1207 #else
1208 #ifdef WITH_BWT
1209     if (CAIsSupportedBlockwiseTransfer(endpoint->adapter))
1210     {
1211         CACheckAndDeleteTimedOutBlockData();
1212         // send block data
1213         CAResult_t res = CASendBlockWiseData(data);
1214         if (CA_NOT_SUPPORTED == res)
1215         {
1216             OIC_LOG(DEBUG, TAG, "normal msg will be sent");
1217             CAResult_t result = CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t), true);
1218             if (result != CA_STATUS_OK)
1219             {
1220                 OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
1221                 CADestroyData(data, sizeof(CAData_t));
1222                 return result;
1223             }
1224             return CA_STATUS_OK;
1225         }
1226         else
1227         {
1228             CADestroyData(data, sizeof(CAData_t));
1229         }
1230
1231         return res;
1232     }
1233     else
1234 #endif // WITH_BWT
1235     {
1236         CAResult_t result = CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t), true);
1237         if (result != CA_STATUS_OK)
1238         {
1239             OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
1240             CADestroyData(data, sizeof(CAData_t));
1241             return result;
1242         }
1243     }
1244 #endif // SINGLE_THREAD
1245
1246     return CA_STATUS_OK;
1247 }
1248
1249 void CASetInterfaceCallbacks(CARequestCallback ReqHandler, CAResponseCallback RespHandler,
1250                              CAErrorCallback errorHandler)
1251 {
1252     g_requestHandler = ReqHandler;
1253     g_responseHandler = RespHandler;
1254     g_errorHandler = errorHandler;
1255 }
1256
1257 void CASetNetworkMonitorCallback(CANetworkMonitorCallback nwMonitorHandler)
1258 {
1259     g_nwMonitorHandler = nwMonitorHandler;
1260 }
1261
1262 CAResult_t CAInitializeMessageHandler(CATransportAdapter_t transportType)
1263 {
1264     CASetPacketReceivedCallback((CANetworkPacketReceivedCallback)CAReceivedPacketCallback);
1265     CASetErrorHandleCallback((CAErrorHandleCallback)CAErrorHandler);
1266
1267 #ifndef SINGLE_THREAD
1268     // create thread pool
1269     CAResult_t res = ca_thread_pool_init(MAX_THREAD_POOL_SIZE, &g_threadPoolHandle);
1270     if (CA_STATUS_OK != res)
1271     {
1272         OIC_LOG(ERROR, TAG, "thread pool initialize error.");
1273         return res;
1274     }
1275
1276     // send thread initialize
1277     res = CAQueueingThreadInitialize(&g_sendThread, g_threadPoolHandle,
1278                                      CASendThreadProcess, CADestroyData);
1279     if (CA_STATUS_OK != res)
1280     {
1281         OIC_LOG(ERROR, TAG, "Failed to Initialize send queue thread");
1282         return res;
1283     }
1284
1285     // start send thread
1286 #ifndef __TIZENRT__
1287     res = CAQueueingThreadStart(&g_sendThread);
1288 #else
1289     res = CAQueueingThreadStart(&g_sendThread, "IoT_MessageHandlerQueue");
1290 #endif
1291     if (CA_STATUS_OK != res)
1292     {
1293         OIC_LOG(ERROR, TAG, "thread start error(send thread).");
1294         return res;
1295     }
1296
1297     // receive thread initialize
1298     res = CAQueueingThreadInitialize(&g_receiveThread, g_threadPoolHandle,
1299                                      CAReceiveThreadProcess, CADestroyData);
1300     if (CA_STATUS_OK != res)
1301     {
1302         OIC_LOG(ERROR, TAG, "Failed to Initialize receive queue thread");
1303         return res;
1304     }
1305
1306 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
1307     // start receive thread
1308     res = CAQueueingThreadStart(&g_receiveThread);
1309     if (CA_STATUS_OK != res)
1310     {
1311         OIC_LOG(ERROR, TAG, "thread start error(receive thread).");
1312         return res;
1313     }
1314 #endif // SINGLE_HANDLE
1315
1316     // retransmission initialize
1317     res = CARetransmissionInitialize(&g_retransmissionContext, g_threadPoolHandle,
1318                                      CASendUnicastData, CATimeoutCallback, NULL);
1319     if (CA_STATUS_OK != res)
1320     {
1321         OIC_LOG(ERROR, TAG, "Failed to Initialize Retransmission.");
1322         return res;
1323     }
1324
1325 #ifdef WITH_BWT
1326     // block-wise transfer initialize
1327     res = CAInitializeBlockWiseTransfer(CAAddDataToSendThread, CAAddDataToReceiveThread);
1328     if (CA_STATUS_OK != res)
1329     {
1330         OIC_LOG(ERROR, TAG, "Failed to Initialize BlockWiseTransfer.");
1331         return res;
1332     }
1333 #endif
1334
1335     // start retransmission
1336     res = CARetransmissionStart(&g_retransmissionContext);
1337     if (CA_STATUS_OK != res)
1338     {
1339         OIC_LOG(ERROR, TAG, "thread start error(retransmission thread).");
1340         return res;
1341     }
1342
1343     // initialize interface adapters by controller
1344     CAInitializeAdapters(g_threadPoolHandle, transportType);
1345     CASetNetworkMonitorCallbacks(CAAdapterStateChangedCallback, CAConnectionStateChangedCallback);
1346 #else
1347     // retransmission initialize
1348     CAResult_t res = CARetransmissionInitialize(&g_retransmissionContext, NULL, CASendUnicastData,
1349                                                 CATimeoutCallback, NULL);
1350     if (CA_STATUS_OK != res)
1351     {
1352         OIC_LOG(ERROR, TAG, "Failed to Initialize Retransmission.");
1353         return res;
1354     }
1355
1356     CAInitializeAdapters();
1357 #endif // SINGLE_THREAD
1358
1359     return CA_STATUS_OK;
1360 }
1361
1362 static bool CAClearQueueAdapterDataContext(void *data, uint32_t size, void *ctx)
1363 {
1364     (void)size;
1365
1366     if (NULL == data || NULL == ctx)
1367     {
1368         return false;
1369     }
1370
1371     CAData_t *caData = (CAData_t *)data;
1372     CATransportAdapter_t *type = (CATransportAdapter_t *)ctx;
1373
1374     if (NULL != caData && NULL != caData->remoteEndpoint
1375         && caData->remoteEndpoint->adapter == *type)
1376     {
1377         return true;
1378     }
1379     return false;
1380 }
1381
1382 void CAClearMessageHandler(CATransportAdapter_t transportType)
1383 {
1384     CATransportAdapter_t *typeCtx = &transportType;
1385
1386     CAResult_t res = CAQueueingThreadClearContextData(&g_sendThread,
1387                                                       CAClearQueueAdapterDataContext,
1388                                                       typeCtx);
1389
1390     if (res != CA_STATUS_OK)
1391     {
1392         OIC_LOG_V(ERROR, TAG, "Clear send data failed[%d]", res);
1393     }
1394
1395     if (transportType & DEFAULT_RETRANSMISSION_TYPE)
1396     {
1397         res = CARetransmissionClearAdapterData(&g_retransmissionContext, transportType);
1398         if (res != CA_STATUS_OK)
1399         {
1400             OIC_LOG_V(ERROR, TAG, "Clear retransmission data failed[%d]", res);
1401         }
1402     }
1403 }
1404
1405 void CATerminateMessageHandler()
1406 {
1407 #ifndef SINGLE_THREAD
1408     CATransportAdapter_t connType;
1409     u_arraylist_t *list = CAGetSelectedNetworkList();
1410     uint32_t length = u_arraylist_length(list);
1411
1412  #ifdef WITH_PROCESS_EVENT
1413     g_processEvent = NULL;
1414 #endif
1415
1416     uint32_t i = 0;
1417     for (i = 0; i < length; i++)
1418     {
1419         void* ptrType = u_arraylist_get(list, i);
1420
1421         if (NULL == ptrType)
1422         {
1423             continue;
1424         }
1425
1426         connType = *(CATransportAdapter_t *)ptrType;
1427         CAStopAdapter(connType);
1428     }
1429
1430     // stop retransmission
1431     if (NULL != g_retransmissionContext.threadMutex)
1432     {
1433         CARetransmissionStop(&g_retransmissionContext);
1434     }
1435
1436     // stop thread
1437     // delete thread data
1438     if (NULL != g_sendThread.threadMutex)
1439     {
1440         CAQueueingThreadStop(&g_sendThread);
1441     }
1442
1443     // stop thread
1444     // delete thread data
1445     if (NULL != g_receiveThread.threadMutex)
1446     {
1447 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
1448         CAQueueingThreadStop(&g_receiveThread);
1449 #endif
1450     }
1451
1452     // destroy thread pool
1453     if (NULL != g_threadPoolHandle)
1454     {
1455         ca_thread_pool_free(g_threadPoolHandle);
1456         g_threadPoolHandle = NULL;
1457     }
1458
1459 #ifdef WITH_BWT
1460     CATerminateBlockWiseTransfer();
1461 #endif
1462     CARetransmissionDestroy(&g_retransmissionContext);
1463     CAQueueingThreadDestroy(&g_sendThread);
1464     CAQueueingThreadDestroy(&g_receiveThread);
1465
1466     // terminate interface adapters by controller
1467     CATerminateAdapters();
1468 #else
1469     // terminate interface adapters by controller
1470     CATerminateAdapters();
1471
1472     // stop retransmission
1473     CARetransmissionStop(&g_retransmissionContext);
1474     CARetransmissionDestroy(&g_retransmissionContext);
1475 #endif // SINGLE_THREAD
1476 }
1477
1478 static void CALogPayloadInfo(CAInfo_t *info)
1479 {
1480     if (info)
1481     {
1482         if (info->options)
1483         {
1484             for (uint32_t i = 0; i < info->numOptions; i++)
1485             {
1486                 OIC_LOG_V(DEBUG, TAG, "optionID: %u", info->options[i].optionID);
1487
1488                 OIC_LOG_V(DEBUG, TAG, "list: %s", info->options[i].optionData);
1489             }
1490         }
1491
1492         if (info->payload)
1493         {
1494             OIC_LOG_V(DEBUG, TAG, "payload: %p(%zu)", info->payload,
1495                       info->payloadSize);
1496         }
1497
1498         if (info->token)
1499         {
1500             OIC_LOG(DEBUG, TAG, "token:");
1501             OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *) info->token,
1502                            info->tokenLength);
1503         }
1504         OIC_LOG_V(DEBUG, TAG, "msgID: %u", info->messageId);
1505     }
1506     else
1507     {
1508         OIC_LOG(DEBUG, TAG, "info is NULL, cannot output log data");
1509     }
1510 }
1511
1512 void CAErrorHandler(const CAEndpoint_t *endpoint,
1513                     const void *data, uint32_t dataLen,
1514                     CAResult_t result)
1515 {
1516     OIC_LOG(DEBUG, TAG, "CAErrorHandler IN");
1517     VERIFY_NON_NULL_VOID(endpoint, TAG, "remoteEndpoint");
1518     VERIFY_NON_NULL_VOID(data, TAG, "data");
1519
1520     if (0 == dataLen)
1521     {
1522         OIC_LOG(ERROR, TAG, "dataLen is zero");
1523         return;
1524     }
1525
1526 #ifndef SINGLE_THREAD
1527     uint32_t code = CA_NOT_FOUND;
1528     //Do not free remoteEndpoint and data. Currently they will be freed in data thread
1529     //Get PDU data
1530     coap_pdu_t *pdu = (coap_pdu_t *)CAParsePDU((const char *)data, dataLen, &code, endpoint);
1531     if (NULL == pdu)
1532     {
1533         OIC_LOG(ERROR, TAG, "Parse PDU failed");
1534         return;
1535     }
1536
1537     CAData_t *cadata = CAGenerateHandlerData(endpoint, NULL, pdu, CA_ERROR_DATA);
1538     if (!cadata)
1539     {
1540         OIC_LOG(ERROR, TAG, "CAErrorHandler, CAGenerateHandlerData failed!");
1541         coap_delete_pdu(pdu);
1542         return;
1543     }
1544
1545     cadata->errorInfo->result = result;
1546
1547     CAResult_t res = CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t), false);
1548     if (res != CA_STATUS_OK)
1549     {
1550         OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
1551         CADestroyData(cadata, sizeof(CAData_t));
1552         coap_delete_pdu(pdu);
1553         return;
1554     }
1555
1556 #ifdef WITH_PROCESS_EVENT
1557     if (g_processEvent)
1558     {
1559         oc_event_signal(g_processEvent);
1560     }
1561 #endif
1562     coap_delete_pdu(pdu);
1563 #else
1564     (void)result;
1565 #endif
1566
1567     OIC_LOG(DEBUG, TAG, "CAErrorHandler OUT");
1568     return;
1569 }
1570
1571 static void CASendErrorInfo(const CAEndpoint_t *endpoint, const CAInfo_t *info, CAResult_t result)
1572 {
1573     OIC_LOG(DEBUG, TAG, "CASendErrorInfo IN");
1574 #ifndef SINGLE_THREAD
1575     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
1576     if (!cadata)
1577     {
1578         OIC_LOG(ERROR, TAG, "cadata memory allocation failed");
1579         return;
1580     }
1581
1582     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
1583     if (!ep)
1584     {
1585         OIC_LOG(ERROR, TAG, "endpoint clone failed");
1586         OICFree(cadata);
1587         return;
1588     }
1589
1590     CAErrorInfo_t *errorInfo = (CAErrorInfo_t *)OICCalloc(1, sizeof (CAErrorInfo_t));
1591     if (!errorInfo)
1592     {
1593         OIC_LOG(ERROR, TAG, "errorInfo memory allocation failed");
1594         OICFree(cadata);
1595         CAFreeEndpoint(ep);
1596         return;
1597     }
1598
1599     CAResult_t res = CACloneInfo(info, &errorInfo->info);
1600     if (CA_STATUS_OK != res)
1601     {
1602         OIC_LOG(ERROR, TAG, "info clone failed");
1603         OICFree(cadata);
1604         OICFree(errorInfo);
1605         CAFreeEndpoint(ep);
1606         return;
1607     }
1608
1609     errorInfo->result = result;
1610     cadata->remoteEndpoint = ep;
1611     cadata->errorInfo = errorInfo;
1612     cadata->dataType = CA_ERROR_DATA;
1613
1614     res = CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t), false);
1615     if (res != CA_STATUS_OK)
1616     {
1617         OIC_LOG(ERROR, TAG, "Failed to add message to data queue!");
1618         CADestroyData(cadata, sizeof(CAData_t));
1619         return;
1620     }
1621
1622 #ifdef WITH_PROCESS_EVENT
1623     if (g_processEvent)
1624     {
1625         oc_event_signal(g_processEvent);
1626     }
1627 #endif//WITH_PROCESS_EVENT
1628 #endif
1629     OIC_LOG(DEBUG, TAG, "CASendErrorInfo OUT");
1630 }
1631
1632
1633
1634 #ifndef ARDUINO
1635 #ifdef __TIZENRT__
1636 static void CALogPDUInfo(const CAData_t *data, const coap_pdu_t *pdu)
1637 {
1638
1639         if(data == NULL || pdu == NULL)
1640         {
1641                 printf("INVALID INPUT, CALogPDUInfo FAIL\n");
1642         }
1643
1644         char type[30] = "";
1645
1646         switch(data->dataType)
1647         {
1648                 case CA_REQUEST_DATA:
1649                         strncpy(type, "\e[32mREQUEST  <<<<\e[m", 30);
1650                         break;
1651                 case CA_RESPONSE_DATA:
1652                         strncpy(type, "\e[36mRESPONSE >>>>\e[m", 30);
1653                         break;
1654                 case CA_ERROR_DATA:
1655                         strncpy(type, "ERROR", 30);
1656                         break;
1657                 case CA_RESPONSE_FOR_RES:
1658                         strncpy(type, "RESP_RES >>>>", 30);
1659                         break;
1660                 default:
1661                         snprintf(type, 30, "Type : %d", data->dataType);
1662                         break;
1663         }
1664
1665
1666         char method[20] = "";
1667         const CAInfo_t *info = NULL;
1668         if (NULL != data->requestInfo)
1669         {
1670                 switch(data->requestInfo->method)
1671                 {
1672                         case CA_GET:
1673                                 strncpy(method, "GET", 20);
1674                                 break;
1675                         case CA_POST:
1676                                 strncpy(method, "POST", 20);
1677                                 break;
1678                         case CA_PUT:
1679                                 strncpy(method, "PUT", 20);
1680                                 break;
1681                         case CA_DELETE:
1682                                 strncpy(method, "DEL", 20);
1683                                 break;
1684                         default:
1685                                 sprintf(method, "Method : %d", data->requestInfo->method);
1686                                 break;
1687                 }
1688                 info = &data->requestInfo->info;
1689         }
1690
1691         if(NULL != data->responseInfo)
1692         {
1693
1694                 sprintf(method, "result : %d", data->responseInfo->result);
1695                 info = &data->responseInfo->info;
1696         }
1697
1698
1699         char log_buffer[1024] = "";
1700         sprintf(log_buffer, "CA_LOG [%5d] | %-13s | %-12s | msg size : %4d | %s", pdu->transport_hdr->udp.id , type, method, pdu->length, info->resourceUri);
1701
1702         if(NULL != info)
1703         {
1704                 sprintf(log_buffer, "CA_LOG [%5d] | %-13s | %-12s | msg size : %4d | %s", pdu->transport_hdr->udp.id , type, method, pdu->length, info->resourceUri);
1705         }
1706
1707         puts(log_buffer);
1708 }
1709
1710
1711 #else
1712
1713 static void CALogPDUInfo(const CAData_t *data, const coap_pdu_t *pdu)
1714 {
1715     OIC_LOG(DEBUG, TAG, "CALogPDUInfo");
1716
1717     VERIFY_NON_NULL_VOID(data, TAG, "data");
1718     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
1719     OIC_TRACE_BEGIN(%s:CALogPDUInfo, TAG);
1720
1721     OIC_LOG(INFO, ANALYZER_TAG, "=================================================");
1722     if(SEND_TYPE_MULTICAST == data->type)
1723     {
1724         OIC_LOG(INFO, ANALYZER_TAG, "Is Multicast = true");
1725     }
1726     else
1727     {
1728         OIC_LOG(INFO, ANALYZER_TAG, "Is Multicast = false");
1729     }
1730
1731     if (NULL != data->remoteEndpoint)
1732     {
1733         CALogAdapterTypeInfo(data->remoteEndpoint->adapter);
1734         OIC_LOG_V(DEBUG, ANALYZER_TAG, "Address = [%s]:[%d]", data->remoteEndpoint->addr,
1735                   data->remoteEndpoint->port);
1736     }
1737
1738     switch(data->dataType)
1739     {
1740         case CA_REQUEST_DATA:
1741             OIC_LOG(INFO, ANALYZER_TAG, "Data Type = [CA_REQUEST_DATA]");
1742             break;
1743         case CA_RESPONSE_DATA:
1744             OIC_LOG(INFO, ANALYZER_TAG, "Data Type = [CA_RESPONSE_DATA]");
1745             break;
1746         case CA_ERROR_DATA:
1747             OIC_LOG(INFO, ANALYZER_TAG, "Data Type = [CA_ERROR_DATA]");
1748             break;
1749         case CA_RESPONSE_FOR_RES:
1750             OIC_LOG(INFO, ANALYZER_TAG, "Data Type = [CA_RESPONSE_FOR_RES]");
1751             break;
1752         default:
1753             OIC_LOG_V(INFO, ANALYZER_TAG, "Data Type = [%d]", data->dataType);
1754             break;
1755     }
1756
1757     const CAInfo_t *info = NULL;
1758     if (NULL != data->requestInfo)
1759     {
1760         switch(data->requestInfo->method)
1761         {
1762             case CA_GET:
1763                 OIC_LOG(INFO, ANALYZER_TAG, "Method = [GET]");
1764                 break;
1765             case CA_POST:
1766                 OIC_LOG(INFO, ANALYZER_TAG, "Method = [POST]");
1767                 break;
1768             case CA_PUT:
1769                 OIC_LOG(INFO, ANALYZER_TAG, "Method = [PUT]");
1770                 break;
1771             case CA_DELETE:
1772                 OIC_LOG(INFO, ANALYZER_TAG, "Method = [DELETE]");
1773                 break;
1774             default:
1775                 OIC_LOG_V(INFO, ANALYZER_TAG, "Method = [%d]", data->requestInfo->method);
1776                 break;
1777         }
1778         info = &data->requestInfo->info;
1779     }
1780
1781     if (NULL != data->responseInfo)
1782     {
1783         OIC_LOG_V(INFO, ANALYZER_TAG, "result code = [%d]", data->responseInfo->result);
1784         info = &data->responseInfo->info;
1785     }
1786
1787     if (pdu->transport_hdr)
1788     {
1789         OIC_LOG_V(INFO, ANALYZER_TAG, "Msg ID = [%d]", pdu->transport_hdr->udp.id);
1790     }
1791
1792     if (info)
1793     {
1794         OIC_LOG(INFO, ANALYZER_TAG, "Coap Token");
1795         OIC_LOG_BUFFER(INFO, ANALYZER_TAG, (const uint8_t *) info->token, info->tokenLength);
1796         OIC_TRACE_BUFFER("OIC_CA_MSG_HANDLE:CALogPDUInfo:token",
1797                          (const uint8_t *) info->token, info->tokenLength);
1798         OIC_LOG_V(INFO_PRIVATE, ANALYZER_TAG, "Res URI = [%s]", info->resourceUri);
1799         OIC_TRACE_MARK(%s:CALogPDUInfo:uri:%s, TAG, info->resourceUri);
1800
1801         if (CA_FORMAT_APPLICATION_CBOR == info->payloadFormat)
1802         {
1803             OIC_LOG(INFO, ANALYZER_TAG, "Payload Format = [CA_FORMAT_APPLICATION_CBOR]");
1804         }
1805         else
1806         {
1807             OIC_LOG_V(INFO, ANALYZER_TAG, "Payload Format = [%d]", info->payloadFormat);
1808         }
1809     }
1810
1811     size_t payloadLen = (pdu->data) ? (unsigned char *) pdu->hdr + pdu->length - pdu->data : 0;
1812     OIC_LOG_V(INFO, ANALYZER_TAG, "CoAP Message Full Size = [%u]", pdu->length);
1813     OIC_LOG(INFO, ANALYZER_TAG, "CoAP Header (+ 0xFF)");
1814     OIC_LOG_BUFFER(INFO, ANALYZER_TAG,  (const uint8_t *) pdu->transport_hdr,
1815                    pdu->length - payloadLen);
1816     OIC_LOG_V(INFO, ANALYZER_TAG, "CoAP Header size = [%" PRIuPTR "]", (size_t) pdu->length - payloadLen);
1817
1818     OIC_LOG_V(INFO, ANALYZER_TAG, "CoAP Payload");
1819     OIC_LOG_BUFFER(INFO_PRIVATE, ANALYZER_TAG, pdu->data, payloadLen);
1820     OIC_LOG_V(INFO, ANALYZER_TAG, "CoAP Payload Size = [%" PRIuPTR "]", payloadLen);
1821     OIC_LOG(INFO, ANALYZER_TAG, "=================================================");
1822
1823     // samsung log
1824     CASamsungLogMessage(data, pdu);
1825     OIC_TRACE_END();
1826 }
1827
1828 static void CASamsungLogMessage(const CAData_t *data, const coap_pdu_t *pdu)
1829 {
1830     OIC_LOG(INFO, TAG, "CASamsungLogMessage");
1831     VERIFY_NON_NULL_VOID(data, TAG, "data");
1832     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
1833     VERIFY_NON_NULL_VOID(data->remoteEndpoint, TAG, "data->remoteEndpoint");
1834
1835     const CAInfo_t *info = NULL;
1836     if (NULL != data->requestInfo)
1837     {
1838         info = &data->requestInfo->info;
1839     }
1840
1841     if (NULL != data->responseInfo)
1842     {
1843         info = &data->responseInfo->info;
1844     }
1845
1846     VERIFY_NON_NULL_VOID(info, TAG, "info");
1847
1848     memset(g_headerBuffer, 0, MAX_LOG_BUFFER_SIZE);
1849     g_headerIndex = 0;
1850
1851     g_headerBuffer[g_headerIndex++] = data->dataType;
1852     g_headerBuffer[g_headerIndex++] = '|';
1853     g_headerBuffer[g_headerIndex++] = data->remoteEndpoint->adapter;
1854     g_headerBuffer[g_headerIndex++] = '|';
1855     g_headerBuffer[g_headerIndex++] = data->type;
1856     g_headerBuffer[g_headerIndex++] = '|';
1857
1858     if (NULL != data->remoteEndpoint)
1859     {
1860         int i = 0;
1861         while (data->remoteEndpoint->addr[i])
1862         {
1863             g_headerBuffer[g_headerIndex++] = data->remoteEndpoint->addr[i];
1864             i++;
1865         }
1866         g_headerBuffer[g_headerIndex++] = ':';
1867         g_headerBuffer[g_headerIndex++] = (data->remoteEndpoint->port >> 8) & 0x0000ff;
1868         g_headerBuffer[g_headerIndex++] = data->remoteEndpoint->port & 0x000000ff;
1869     }
1870
1871     g_headerBuffer[g_headerIndex++] = '|';
1872     if (data->requestInfo)
1873     {
1874         g_headerBuffer[g_headerIndex++] = data->requestInfo->method;
1875     }
1876     else
1877     {
1878         g_headerBuffer[g_headerIndex++] = 0;
1879     }
1880
1881     g_headerBuffer[g_headerIndex++] = '|';
1882     if (data->responseInfo)
1883     {
1884         g_headerBuffer[g_headerIndex++] = data->responseInfo->result;
1885     }
1886     else
1887     {
1888         g_headerBuffer[g_headerIndex++] = 0;
1889     }
1890     g_headerBuffer[g_headerIndex++] = '|';
1891
1892     if (pdu->transport_hdr)
1893     {
1894         g_headerBuffer[g_headerIndex++] = (pdu->transport_hdr->udp.id >> 8) & 0x0000ff;
1895         g_headerBuffer[g_headerIndex++] = pdu->transport_hdr->udp.id & 0x000000ff;
1896     }
1897     else
1898     {
1899         g_headerBuffer[g_headerIndex++] = 0;
1900         g_headerBuffer[g_headerIndex++] = 0;
1901     }
1902     g_headerBuffer[g_headerIndex++] = '|';
1903
1904     if (info->token && info->tokenLength > 0)
1905     {
1906         for (size_t i = 0; i < info->tokenLength; i++)
1907         {
1908             g_headerBuffer[g_headerIndex++] = info->token[i];
1909         }
1910         g_headerBuffer[g_headerIndex++] = '|';
1911     }
1912
1913     if (info->resourceUri)
1914     {
1915         size_t i = 0;
1916         while (info->resourceUri[i])
1917         {
1918             g_headerBuffer[g_headerIndex++] = info->resourceUri[i];
1919             i++;
1920         }
1921         g_headerBuffer[g_headerIndex++] = '|';
1922     }
1923
1924     OIC_LOG_CA_BUFFER(INFO, TAG, (uint8_t *) g_headerBuffer, g_headerIndex, 1);
1925     size_t payloadLen = (unsigned char *) pdu->hdr + pdu->length - pdu->data;
1926     OIC_LOG_CA_BUFFER(INFO_PRIVATE, TAG, pdu->data, payloadLen, 0);
1927 }
1928 #endif
1929
1930 #else
1931 static void CALogPDUInfo(const CAData_t *data, const coap_pdu_t *pdu)
1932 {
1933     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
1934     (void)data;
1935
1936     OIC_LOG_V(DEBUG, TAG, "PDU Maker - payload : %s", pdu->data);
1937     OIC_LOG_V(DEBUG, TAG, "PDU Maker - type : %d", pdu->transport_hdr->udp.type);
1938     OIC_LOG_V(DEBUG, TAG, "PDU Maker - code : %d", pdu->transport_hdr->udp.code);
1939     OIC_LOG(DEBUG, TAG, "PDU Maker - token :");
1940     OIC_LOG_BUFFER(DEBUG, TAG, pdu->transport_hdr->udp.token,
1941                    pdu->transport_hdr->udp.token_length);
1942 }
1943 #endif
1944
1945 #ifdef WITH_PROCESS_EVENT
1946 void CARegisterMessageProcessEvent(oc_event event)
1947 {
1948     g_processEvent = event;
1949 }
1950 #endif // WITH_PROCESS_EVENT