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 #if defined(TCP_ADAPTER) && defined(WITH_CLOUD)
  52 #include "caconnectionmanager.h"
  53 #endif
  54 #define SINGLE_HANDLE
  55 #define MAX_THREAD_POOL_SIZE    20
  56
  57 // thread pool handle
  58 static ca_thread_pool_t g_threadPoolHandle = NULL;
  59
  60 // message handler main thread
  61 static CAQueueingThread_t g_sendThread;
  62 static CAQueueingThread_t g_receiveThread;
  63
  64 #else
  65 #define CA_MAX_RT_ARRAY_SIZE    3
  66 #endif  // SINGLE_THREAD
  67
  68 #define TAG "OIC_CA_MSG_HANDLE"
  69
  70 static CARetransmission_t g_retransmissionContext;
  71
  72 // handler field
  73 static CARequestCallback g_requestHandler = NULL;
  74 static CAResponseCallback g_responseHandler = NULL;
  75 static CAErrorCallback g_errorHandler = NULL;
  76 static CANetworkMonitorCallback g_nwMonitorHandler = NULL;
  77
  78 static void CAErrorHandler(const CAEndpoint_t *endpoint,
  79                            const void *data, size_t dataLen,
  80                            CAResult_t result);
  81
  82 static CAData_t* CAGenerateHandlerData(const CAEndpoint_t *endpoint,
  83                                        const CARemoteId_t *identity,
  84                                        const void *data, CADataType_t dataType);
  85
  86 static void CASendErrorInfo(const CAEndpoint_t *endpoint, const CAInfo_t *info,
  87                             CAResult_t result);
  88
  89 #ifdef SINGLE_THREAD
  90 static void CAProcessReceivedData(CAData_t *data);
  91 #endif
  92 static void CADestroyData(void *data, uint32_t size);
  93 static void CALogPayloadInfo(CAInfo_t *info);
  94 static bool CADropSecondMessage(CAHistory_t *history, const CAEndpoint_t *endpoint, uint16_t id,
  95                                 CAToken_t token, uint8_t tokenLength);
  96
  97 /**
  98  * print send / receive message of CoAP.
  99  * @param[in] data      CA information which has send/receive message and endpoint.
 100  * @param[in] pdu       CoAP pdu low data.
 101  */
 102 static void CALogPDUInfo(const CAData_t *data, const coap_pdu_t *pdu);
 103
 104 #ifdef WITH_BWT
 105 void CAAddDataToSendThread(CAData_t *data)
 106 {
 107     VERIFY_NON_NULL_VOID(data, TAG, "data");
 108
 109     // add thread
 110     CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
 111 }
 112
 113 void CAAddDataToReceiveThread(CAData_t *data)
 114 {
 115     VERIFY_NON_NULL_VOID(data, TAG, "data");
 116
 117     // add thread
 118     CAQueueingThreadAddData(&g_receiveThread, data, sizeof(CAData_t));
 119 }
 120 #endif
 121
 122 static bool CAIsSelectedNetworkAvailable()
 123 {
 124     u_arraylist_t *list = CAGetSelectedNetworkList();
 125     if (!list || u_arraylist_length(list) == 0)
 126     {
 127         OIC_LOG(ERROR, TAG, "No selected network");
 128         return false;
 129     }
 130
 131     return true;
 132 }
 133
 134 static CAData_t* CAGenerateHandlerData(const CAEndpoint_t *endpoint,
 135                                        const CARemoteId_t *identity,
 136                                        const void *data, CADataType_t dataType)
 137 {
 138     OIC_LOG(DEBUG, TAG, "CAGenerateHandlerData IN");
 139     CAInfo_t *info = NULL;
 140     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 141     if (!cadata)
 142     {
 143         OIC_LOG(ERROR, TAG, "memory allocation failed");
 144         return NULL;
 145     }
 146 #ifdef SINGLE_THREAD
 147     CAEndpoint_t* ep = endpoint;
 148 #else
 149     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
 150     if (!ep)
 151     {
 152         OIC_LOG(ERROR, TAG, "endpoint clone failed");
 153         goto exit;
 154     }
 155 #endif
 156
 157     OIC_LOG_V(DEBUG, TAG, "address : %s", ep->addr);
 158
 159     if (CA_RESPONSE_DATA == dataType)
 160     {
 161         CAResponseInfo_t* resInfo = (CAResponseInfo_t*)OICCalloc(1, sizeof(CAResponseInfo_t));
 162         if (!resInfo)
 163         {
 164             OIC_LOG(ERROR, TAG, "memory allocation failed");
 165             goto exit;
 166         }
 167
 168         CAResult_t result = CAGetResponseInfoFromPDU(data, resInfo, endpoint);
 169         if (CA_STATUS_OK != result)
 170         {
 171             OIC_LOG(ERROR, TAG, "CAGetResponseInfoFromPDU Failed");
 172             CADestroyResponseInfoInternal(resInfo);
 173             goto exit;
 174         }
 175         cadata->responseInfo = resInfo;
 176         info = &resInfo->info;
 177         if (identity)
 178         {
 179             info->identity = *identity;
 180         }
 181         else
 182         {
 183             OIC_LOG_V(INFO, TAG, "%s: No identity information provided", __func__);
 184         }
 185         OIC_LOG(DEBUG, TAG, "Response Info :");
 186         CALogPayloadInfo(info);
 187     }
 188     else if (CA_REQUEST_DATA == dataType)
 189     {
 190         CARequestInfo_t* reqInfo = (CARequestInfo_t*)OICCalloc(1, sizeof(CARequestInfo_t));
 191         if (!reqInfo)
 192         {
 193             OIC_LOG(ERROR, TAG, "memory allocation failed");
 194             goto exit;
 195         }
 196
 197         CAResult_t result = CAGetRequestInfoFromPDU(data, endpoint, reqInfo);
 198         if (CA_STATUS_OK != result)
 199         {
 200             OIC_LOG(ERROR, TAG, "CAGetRequestInfoFromPDU failed");
 201             CADestroyRequestInfoInternal(reqInfo);
 202             goto exit;
 203         }
 204
 205         if (CADropSecondMessage(&caglobals.ca.requestHistory, endpoint, reqInfo->info.messageId,
 206                                 reqInfo->info.token, reqInfo->info.tokenLength))
 207         {
 208             OIC_LOG(INFO, TAG, "Second Request with same Token, Drop it");
 209             CADestroyRequestInfoInternal(reqInfo);
 210             goto exit;
 211         }
 212
 213         cadata->requestInfo = reqInfo;
 214         info = &reqInfo->info;
 215         if (identity)
 216         {
 217             info->identity = *identity;
 218         }
 219         OIC_LOG(DEBUG, TAG, "Request Info :");
 220         CALogPayloadInfo(info);
 221    }
 222     else if (CA_ERROR_DATA == dataType)
 223     {
 224         CAErrorInfo_t *errorInfo = (CAErrorInfo_t *)OICCalloc(1, sizeof (CAErrorInfo_t));
 225         if (!errorInfo)
 226         {
 227             OIC_LOG(ERROR, TAG, "Memory allocation failed!");
 228             goto exit;
 229         }
 230
 231         CAResult_t result = CAGetErrorInfoFromPDU(data, endpoint, errorInfo);
 232         if (CA_STATUS_OK != result)
 233         {
 234             OIC_LOG(ERROR, TAG, "CAGetErrorInfoFromPDU failed");
 235             OICFree(errorInfo);
 236             goto exit;
 237         }
 238
 239         cadata->errorInfo = errorInfo;
 240         info = &errorInfo->info;
 241         if (identity)
 242         {
 243             info->identity = *identity;
 244         }
 245         OIC_LOG(DEBUG, TAG, "error Info :");
 246         CALogPayloadInfo(info);
 247     }
 248
 249     cadata->remoteEndpoint = ep;
 250     cadata->dataType = dataType;
 251
 252     OIC_LOG(DEBUG, TAG, "CAGenerateHandlerData OUT");
 253     return cadata;
 254
 255 exit:
 256     OICFree(cadata);
 257 #ifndef SINGLE_THREAD
 258     CAFreeEndpoint(ep);
 259 #endif
 260     return NULL;
 261 }
 262
 263 static void CATimeoutCallback(const CAEndpoint_t *endpoint, const void *pdu, uint32_t size)
 264 {
 265     VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint");
 266     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
 267 #ifdef SINGLE_THREAD
 268     CAEndpoint_t* ep = endpoint;
 269 #else
 270     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
 271     if (!ep)
 272     {
 273         OIC_LOG(ERROR, TAG, "clone failed");
 274         return;
 275     }
 276 #endif
 277
 278     CAResponseInfo_t* resInfo = (CAResponseInfo_t*)OICCalloc(1, sizeof(CAResponseInfo_t));
 279
 280     if (!resInfo)
 281     {
 282         OIC_LOG(ERROR, TAG, "calloc failed");
 283 #ifndef SINGLE_THREAD
 284         CAFreeEndpoint(ep);
 285 #endif
 286         return;
 287     }
 288
 289     resInfo->result = CA_RETRANSMIT_TIMEOUT;
 290     resInfo->info.type = CAGetMessageTypeFromPduBinaryData(pdu, size);
 291     resInfo->info.messageId = CAGetMessageIdFromPduBinaryData(pdu, size);
 292
 293     CAResult_t res = CAGetTokenFromPDU((const coap_hdr_transport_t *) pdu, &(resInfo->info),
 294                                        endpoint);
 295     if (CA_STATUS_OK != res)
 296     {
 297         OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
 298         CADestroyResponseInfoInternal(resInfo);
 299 #ifndef SINGLE_THREAD
 300         CAFreeEndpoint(ep);
 301 #endif
 302         return;
 303     }
 304
 305     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 306     if (NULL == cadata)
 307     {
 308         OIC_LOG(ERROR, TAG, "memory allocation failed !");
 309 #ifndef SINGLE_THREAD
 310         CAFreeEndpoint(ep);
 311 #endif
 312         CADestroyResponseInfoInternal(resInfo);
 313         return;
 314     }
 315
 316     cadata->type = SEND_TYPE_UNICAST;
 317     cadata->remoteEndpoint = ep;
 318     cadata->requestInfo = NULL;
 319     cadata->responseInfo = resInfo;
 320
 321 #ifdef WITH_BWT
 322     if (CAIsSupportedBlockwiseTransfer(endpoint->adapter))
 323     {
 324         res = CARemoveBlockDataFromListWithSeed(resInfo->info.token, resInfo->info.tokenLength,
 325                                                 endpoint->addr, endpoint->port);
 326         if (CA_STATUS_OK != res)
 327         {
 328             OIC_LOG(ERROR, TAG, "CARemoveBlockDataFromListWithSeed failed");
 329         }
 330     }
 331 #endif // WITH_BWT
 332
 333 #ifdef SINGLE_THREAD
 334     CAProcessReceivedData(cadata);
 335 #else
 336     CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
 337 #endif
 338 }
 339
 340 static void CADestroyData(void *data, uint32_t size)
 341 {
 342     OIC_LOG(DEBUG, TAG, "CADestroyData IN");
 343     if ((size_t)size < sizeof(CAData_t))
 344     {
 345         OIC_LOG_V(ERROR, TAG, "Destroy data too small %p %d", data, size);
 346     }
 347     CAData_t *cadata = (CAData_t *) data;
 348
 349     if (NULL == cadata)
 350     {
 351         OIC_LOG(ERROR, TAG, "cadata is NULL");
 352         return;
 353     }
 354 #ifndef SINGLE_THREAD
 355     if (NULL != cadata->remoteEndpoint)
 356     {
 357         CAFreeEndpoint(cadata->remoteEndpoint);
 358     }
 359 #endif
 360
 361     if (NULL != cadata->requestInfo)
 362     {
 363         CADestroyRequestInfoInternal((CARequestInfo_t *) cadata->requestInfo);
 364     }
 365
 366     if (NULL != cadata->responseInfo)
 367     {
 368         CADestroyResponseInfoInternal((CAResponseInfo_t *) cadata->responseInfo);
 369     }
 370
 371     if (NULL != cadata->errorInfo)
 372     {
 373         CADestroyErrorInfoInternal(cadata->errorInfo);
 374     }
 375
 376     OICFree(cadata);
 377     OIC_LOG(DEBUG, TAG, "CADestroyData OUT");
 378 }
 379
 380 #ifdef SINGLE_THREAD
 381 static void CAProcessReceivedData(CAData_t *data)
 382 {
 383     OIC_LOG(DEBUG, TAG, "CAProcessReceivedData IN");
 384     if (!data)
 385     {
 386         OIC_LOG(ERROR, TAG, "thread data error!!");
 387         return;
 388     }
 389
 390     // parse the data and call the callbacks.
 391     // #1 parse the data
 392     // #2 get endpoint
 393     CAEndpoint_t *rep = (CAEndpoint_t *)(data->remoteEndpoint);
 394     if (!rep)
 395     {
 396         OIC_LOG(ERROR, TAG, "remoteEndpoint error!!");
 397         return;
 398     }
 399
 400     if (data->requestInfo && g_requestHandler)
 401     {
 402         g_requestHandler(rep, data->requestInfo);
 403     }
 404     else if (data->responseInfo && g_responseHandler)
 405     {
 406         g_responseHandler(rep, data->responseInfo);
 407     }
 408     else if (data->errorInfo && g_errorHandler)
 409     {
 410         g_errorHandler(rep, data->errorInfo);
 411     }
 412
 413     CADestroyData(data, sizeof(CAData_t));
 414
 415     OIC_LOG(DEBUG, TAG, "CAProcessReceivedData OUT");
 416 }
 417 #endif
 418
 419 #ifndef SINGLE_THREAD
 420 static void CAReceiveThreadProcess(void *threadData)
 421 {
 422 #ifndef SINGLE_HANDLE
 423     CAData_t *data = (CAData_t *) threadData;
 424     OIC_TRACE_BEGIN(%s:CAProcessReceivedData, TAG);
 425     CAProcessReceivedData(data);
 426     OIC_TRACE_END();
 427 #else
 428     (void)threadData;
 429 #endif
 430 }
 431 #endif // SINGLE_THREAD
 432
 433 static CAResult_t CAProcessMulticastData(const CAData_t *data)
 434 {
 435     VERIFY_NON_NULL(data, TAG, "data");
 436     VERIFY_NON_NULL(data->remoteEndpoint, TAG, "remoteEndpoint");
 437
 438     coap_pdu_t *pdu = NULL;
 439     CAInfo_t *info = NULL;
 440     coap_list_t *options = NULL;
 441     coap_transport_t transport = COAP_UDP;
 442     CAResult_t res = CA_SEND_FAILED;
 443
 444     if (!data->requestInfo && !data->responseInfo)
 445     {
 446         OIC_LOG(ERROR, TAG, "request or response info is empty");
 447         return res;
 448     }
 449
 450     if (data->requestInfo)
 451     {
 452         OIC_LOG(DEBUG, TAG, "requestInfo is available..");
 453
 454         info = &data->requestInfo->info;
 455         pdu = CAGeneratePDU(CA_GET, info, data->remoteEndpoint, &options, &transport);
 456     }
 457     else if (data->responseInfo)
 458     {
 459         OIC_LOG(DEBUG, TAG, "responseInfo is available..");
 460
 461         info = &data->responseInfo->info;
 462         pdu = CAGeneratePDU(data->responseInfo->result, info, data->remoteEndpoint,
 463                             &options, &transport);
 464     }
 465
 466     if (!pdu)
 467     {
 468         OIC_LOG(ERROR,TAG,"Failed to generate multicast PDU");
 469         CASendErrorInfo(data->remoteEndpoint, info, CA_SEND_FAILED);
 470         coap_delete_list(options);
 471         return res;
 472     }
 473
 474 #ifdef WITH_BWT
 475     if (CAIsSupportedBlockwiseTransfer(data->remoteEndpoint->adapter))
 476     {
 477         // Blockwise transfer
 478         res = CAAddBlockOption(&pdu, info, data->remoteEndpoint, &options);
 479         if (CA_STATUS_OK != res)
 480         {
 481             OIC_LOG(DEBUG, TAG, "CAAddBlockOption has failed");
 482             goto exit;
 483         }
 484     }
 485 #endif // WITH_BWT
 486
 487     CALogPDUInfo(data, pdu);
 488
 489     res = CASendMulticastData(data->remoteEndpoint, pdu->transport_hdr, pdu->length, data->dataType);
 490     if (CA_STATUS_OK != res)
 491     {
 492         OIC_LOG_V(ERROR, TAG, "send failed:%d", res);
 493         goto exit;
 494     }
 495
 496     coap_delete_list(options);
 497     coap_delete_pdu(pdu);
 498     return res;
 499
 500 exit:
 501     CAErrorHandler(data->remoteEndpoint, pdu->transport_hdr, pdu->length, res);
 502     coap_delete_list(options);
 503     coap_delete_pdu(pdu);
 504     return res;
 505 }
 506
 507 static CAResult_t CAProcessSendData(const CAData_t *data)
 508 {
 509     VERIFY_NON_NULL(data, TAG, "data");
 510     VERIFY_NON_NULL(data->remoteEndpoint, TAG, "remoteEndpoint");
 511
 512     CAResult_t res = CA_STATUS_FAILED;
 513
 514     CASendDataType_t type = data->type;
 515
 516     coap_pdu_t *pdu = NULL;
 517     CAInfo_t *info = NULL;
 518     coap_list_t *options = NULL;
 519     coap_transport_t transport = COAP_UDP;
 520
 521     if (SEND_TYPE_UNICAST == type)
 522     {
 523         OIC_LOG(DEBUG,TAG,"Unicast message");
 524
 525 #ifdef ROUTING_GATEWAY
 526         /*
 527          * When forwarding a packet, do not attempt retransmission as its the responsibility of
 528          * packet originator node
 529          */
 530         bool skipRetransmission = false;
 531 #endif
 532
 533         if (NULL != data->requestInfo)
 534         {
 535             OIC_LOG(DEBUG, TAG, "requestInfo is available..");
 536
 537             info = &data->requestInfo->info;
 538 #ifdef ROUTING_GATEWAY
 539             skipRetransmission = data->requestInfo->info.skipRetransmission;
 540 #endif
 541             pdu = CAGeneratePDU(data->requestInfo->method, info, data->remoteEndpoint,
 542                                 &options, &transport);
 543         }
 544         else if (NULL != data->responseInfo)
 545         {
 546             OIC_LOG(DEBUG, TAG, "responseInfo is available..");
 547
 548             info = &data->responseInfo->info;
 549 #ifdef ROUTING_GATEWAY
 550             skipRetransmission = data->responseInfo->info.skipRetransmission;
 551 #endif
 552             pdu = CAGeneratePDU(data->responseInfo->result, info, data->remoteEndpoint,
 553                                 &options, &transport);
 554         }
 555         else
 556         {
 557             OIC_LOG(DEBUG, TAG, "request info, response info is empty");
 558             return CA_STATUS_INVALID_PARAM;
 559         }
 560
 561         // interface controller function call.
 562         if (NULL != pdu)
 563         {
 564 #ifdef WITH_BWT
 565             if (CAIsSupportedBlockwiseTransfer(data->remoteEndpoint->adapter))
 566             {
 567                 // Blockwise transfer
 568                 if (NULL != info)
 569                 {
 570                     res = CAAddBlockOption(&pdu, info, data->remoteEndpoint, &options);
 571                     if (CA_STATUS_OK != res)
 572                     {
 573                         OIC_LOG(INFO, TAG, "to write block option has failed");
 574                         CAErrorHandler(data->remoteEndpoint, pdu->transport_hdr, pdu->length, res);
 575                         coap_delete_list(options);
 576                         coap_delete_pdu(pdu);
 577                         return res;
 578                     }
 579                 }
 580             }
 581 #endif // WITH_BWT
 582             CALogPDUInfo(data, pdu);
 583
 584             OIC_LOG_V(INFO, TAG, "CASendUnicastData type : %d", data->dataType);
 585             res = CASendUnicastData(data->remoteEndpoint, pdu->transport_hdr, pdu->length, data->dataType);
 586             if (CA_STATUS_OK != res)
 587             {
 588                 OIC_LOG_V(ERROR, TAG, "send failed:%d", res);
 589                 CAErrorHandler(data->remoteEndpoint, pdu->transport_hdr, pdu->length, res);
 590                 coap_delete_list(options);
 591                 coap_delete_pdu(pdu);
 592                 return res;
 593             }
 594
 595 #ifdef WITH_TCP
 596             if (CAIsSupportedCoAPOverTCP(data->remoteEndpoint->adapter))
 597             {
 598                 OIC_LOG(INFO, TAG, "retransmission will be not worked");
 599             }
 600             else
 601 #endif
 602 #ifdef ROUTING_GATEWAY
 603             if (!skipRetransmission)
 604 #endif
 605             {
 606                 // for retransmission
 607                 res = CARetransmissionSentData(&g_retransmissionContext,
 608                                                data->remoteEndpoint,
 609                                                data->dataType,
 610                                                pdu->transport_hdr, pdu->length);
 611                 if ((CA_STATUS_OK != res) && (CA_NOT_SUPPORTED != res))
 612                 {
 613                     //when retransmission not supported this will return CA_NOT_SUPPORTED, ignore
 614                     OIC_LOG_V(INFO, TAG, "retransmission is not enabled due to error, res : %d", res);
 615                     coap_delete_list(options);
 616                     coap_delete_pdu(pdu);
 617                     return res;
 618                 }
 619             }
 620
 621             coap_delete_list(options);
 622             coap_delete_pdu(pdu);
 623         }
 624         else
 625         {
 626             OIC_LOG(ERROR,TAG,"Failed to generate unicast PDU");
 627             CASendErrorInfo(data->remoteEndpoint, info, CA_SEND_FAILED);
 628             return CA_SEND_FAILED;
 629         }
 630     }
 631     else if (SEND_TYPE_MULTICAST == type)
 632     {
 633         OIC_LOG(DEBUG,TAG,"Multicast message");
 634 #ifdef WITH_TCP
 635         /*
 636          * If CoAP over TCP is enabled, the CoAP pdu wont be same for IP and other adapters.
 637          * That's why we need to generate two pdu's, one for IP and second for other transports.
 638          * Two possible cases we might have to split: a) when adapter is CA_DEFAULT_ADAPTER
 639          * b) when one of the adapter is IP adapter(ex: CA_ADAPTER_IP | CA_ADAPTER_GATT_BTLE)
 640          */
 641         if (data->remoteEndpoint->adapter == CA_DEFAULT_ADAPTER ||
 642                 (CA_ADAPTER_IP & data->remoteEndpoint->adapter &&
 643                     CA_ADAPTER_IP != data->remoteEndpoint->adapter))
 644         {
 645             if (data->remoteEndpoint->adapter == CA_DEFAULT_ADAPTER)
 646             {
 647                 data->remoteEndpoint->adapter = CA_ALL_ADAPTERS ^ CA_ADAPTER_IP;
 648             }
 649             else
 650             {
 651                 data->remoteEndpoint->adapter = data->remoteEndpoint->adapter ^ CA_ADAPTER_IP;
 652             }
 653             CAProcessMulticastData(data);
 654             data->remoteEndpoint->adapter = CA_ADAPTER_IP;
 655             CAProcessMulticastData(data);
 656         }
 657         else
 658         {
 659             CAProcessMulticastData(data);
 660         }
 661 #else
 662         CAProcessMulticastData(data);
 663 #endif
 664     }
 665
 666     return CA_STATUS_OK;
 667 }
 668
 669 #ifndef SINGLE_THREAD
 670 static void CASendThreadProcess(void *threadData)
 671 {
 672     CAData_t *data = (CAData_t *) threadData;
 673     OIC_TRACE_BEGIN(%s:CAProcessSendData, TAG);
 674     CAProcessSendData(data);
 675     OIC_TRACE_END();
 676 }
 677 #endif
 678
 679 /*
 680  * If a second message arrives with the same message ID, token and the other address
 681  * family, drop it.  Typically, IPv6 beats IPv4, so the IPv4 message is dropped.
 682  */
 683 static bool CADropSecondMessage(CAHistory_t *history, const CAEndpoint_t *ep, uint16_t id,
 684                                 CAToken_t token, uint8_t tokenLength)
 685 {
 686     if (!ep)
 687     {
 688         return true;
 689     }
 690     if (ep->adapter != CA_ADAPTER_IP)
 691     {
 692         return false;
 693     }
 694     if (!caglobals.ip.dualstack)
 695     {
 696         return false;
 697     }
 698
 699     if (tokenLength > CA_MAX_TOKEN_LEN)
 700     {
 701         /*
 702          * If token length is more than CA_MAX_TOKEN_LEN,
 703          * we compare the first CA_MAX_TOKEN_LEN bytes only.
 704          */
 705         tokenLength = CA_MAX_TOKEN_LEN;
 706     }
 707
 708     bool ret = false;
 709     CATransportFlags_t familyFlags = ep->flags & CA_IPFAMILY_MASK;
 710
 711     for (size_t i = 0; i < sizeof(history->items) / sizeof(history->items[0]); i++)
 712     {
 713         CAHistoryItem_t *item = &(history->items[i]);
 714         if (id == item->messageId && tokenLength == item->tokenLength
 715             && ep->ifindex == item->ifindex && memcmp(item->token, token, tokenLength) == 0)
 716         {
 717             OIC_LOG_V(INFO, TAG, "IPv%c duplicate message ignored",
 718                       familyFlags & CA_IPV6 ? '6' : '4');
 719             ret = true;
 720             break;
 721         }
 722     }
 723
 724     history->items[history->nextIndex].flags = familyFlags;
 725     history->items[history->nextIndex].messageId = id;
 726     history->items[history->nextIndex].ifindex = ep->ifindex;
 727     if (token && tokenLength)
 728     {
 729         memcpy(history->items[history->nextIndex].token, token, tokenLength);
 730         history->items[history->nextIndex].tokenLength = tokenLength;
 731     }
 732
 733     if (++history->nextIndex >= HISTORYSIZE)
 734     {
 735         history->nextIndex = 0;
 736     }
 737
 738     return ret;
 739 }
 740
 741 static void CAReceivedPacketCallback(const CASecureEndpoint_t *sep,
 742                                      const void *data, size_t dataLen)
 743 {
 744     VERIFY_NON_NULL_VOID(sep, TAG, "remoteEndpoint");
 745     VERIFY_NON_NULL_VOID(data, TAG, "data");
 746     OIC_TRACE_BEGIN(%s:CAReceivedPacketCallback, TAG);
 747
 748     if (0 == dataLen)
 749     {
 750         OIC_LOG(ERROR, TAG, "dataLen is zero");
 751         OIC_TRACE_END();
 752         return;
 753     }
 754
 755     uint32_t code = CA_NOT_FOUND;
 756     CAData_t *cadata = NULL;
 757
 758     coap_pdu_t *pdu = (coap_pdu_t *) CAParsePDU((const char *) data, dataLen, &code,
 759                                                 &(sep->endpoint));
 760     if (NULL == pdu)
 761     {
 762         OIC_LOG(ERROR, TAG, "Parse PDU failed");
 763         goto exit;
 764     }
 765
 766     OIC_LOG_V(DEBUG, TAG, "code = %d", code);
 767     if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
 768     {
 769         cadata = CAGenerateHandlerData(&(sep->endpoint), &(sep->identity), pdu, CA_REQUEST_DATA);
 770         if (!cadata)
 771         {
 772             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, CAGenerateHandlerData failed!");
 773             coap_delete_pdu(pdu);
 774             goto exit;
 775         }
 776     }
 777     else
 778     {
 779         cadata = CAGenerateHandlerData(&(sep->endpoint), &(sep->identity), pdu, CA_RESPONSE_DATA);
 780         if (!cadata)
 781         {
 782             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, CAGenerateHandlerData failed!");
 783             coap_delete_pdu(pdu);
 784             goto exit;
 785         }
 786
 787 #ifdef WITH_TCP
 788         if (CAIsSupportedCoAPOverTCP(sep->endpoint.adapter))
 789         {
 790             OIC_LOG(INFO, TAG, "retransmission is not supported");
 791         }
 792         else
 793 #endif
 794         {
 795             // for retransmission
 796             void *retransmissionPdu = NULL;
 797             CARetransmissionReceivedData(&g_retransmissionContext, cadata->remoteEndpoint, pdu->transport_hdr,
 798                                          pdu->length, &retransmissionPdu);
 799
 800             // get token from saved data in retransmission list
 801             if (retransmissionPdu && CA_EMPTY == code)
 802             {
 803                 if (cadata->responseInfo)
 804                 {
 805                     CAInfo_t *info = &cadata->responseInfo->info;
 806                     CAResult_t res = CAGetTokenFromPDU((const coap_hdr_transport_t *)retransmissionPdu,
 807                                                        info, &(sep->endpoint));
 808                     if (CA_STATUS_OK != res)
 809                     {
 810                         OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
 811                         OICFree(info->token);
 812                         info->tokenLength = 0;
 813                     }
 814                 }
 815             }
 816             OICFree(retransmissionPdu);
 817         }
 818     }
 819
 820     cadata->type = SEND_TYPE_UNICAST;
 821
 822     CALogPDUInfo(cadata, pdu);
 823
 824 #ifdef SINGLE_THREAD
 825     CAProcessReceivedData(cadata);
 826 #else
 827 #ifdef WITH_BWT
 828     if (CAIsSupportedBlockwiseTransfer(sep->endpoint.adapter))
 829     {
 830         CAResult_t res = CAReceiveBlockWiseData(pdu, &(sep->endpoint), cadata, dataLen);
 831         if (CA_NOT_SUPPORTED == res || CA_REQUEST_TIMEOUT == res)
 832         {
 833             OIC_LOG(DEBUG, TAG, "this message does not have block option");
 834             CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
 835         }
 836         else
 837         {
 838             CADestroyData(cadata, sizeof(CAData_t));
 839         }
 840     }
 841     else
 842 #endif
 843     {
 844         CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
 845     }
 846 #endif // SINGLE_THREAD
 847
 848     coap_delete_pdu(pdu);
 849
 850 exit:
 851     OIC_LOG(DEBUG, TAG, "received pdu data :");
 852     OIC_LOG_BUFFER(DEBUG, TAG,  data, dataLen);
 853
 854     OIC_TRACE_END();
 855 }
 856
 857 void CAHandleRequestResponseCallbacks()
 858 {
 859 #ifdef SINGLE_THREAD
 860     CAReadData();
 861     CARetransmissionBaseRoutine((void *)&g_retransmissionContext);
 862 #else
 863 #ifdef SINGLE_HANDLE
 864     // parse the data and call the callbacks.
 865     // #1 parse the data
 866     // #2 get endpoint
 867
 868     oc_mutex_lock(g_receiveThread.threadMutex);
 869
 870     u_queue_message_t *item = u_queue_get_element(g_receiveThread.dataQueue);
 871
 872     oc_mutex_unlock(g_receiveThread.threadMutex);
 873
 874     if (NULL == item || NULL == item->msg)
 875     {
 876         return;
 877     }
 878
 879     // get endpoint
 880     CAData_t *td = (CAData_t *) item->msg;
 881
 882     if (td->requestInfo && g_requestHandler)
 883     {
 884         OIC_LOG_V(DEBUG, TAG, "request callback : %d", td->requestInfo->info.numOptions);
 885         g_requestHandler(td->remoteEndpoint, td->requestInfo);
 886     }
 887     else if (td->responseInfo && g_responseHandler)
 888     {
 889         OIC_LOG_V(DEBUG, TAG, "response callback : %d", td->responseInfo->info.numOptions);
 890         g_responseHandler(td->remoteEndpoint, td->responseInfo);
 891     }
 892     else if (td->errorInfo && g_errorHandler)
 893     {
 894         OIC_LOG_V(DEBUG, TAG, "error callback error: %d", td->errorInfo->result);
 895         g_errorHandler(td->remoteEndpoint, td->errorInfo);
 896     }
 897
 898     CADestroyData(item->msg, sizeof(CAData_t));
 899     OICFree(item);
 900
 901 #endif // SINGLE_HANDLE
 902 #endif // SINGLE_THREAD
 903 }
 904
 905 static CAData_t* CAPrepareSendData(const CAEndpoint_t *endpoint, const void *sendData,
 906                                    CADataType_t dataType)
 907 {
 908     OIC_LOG(DEBUG, TAG, "CAPrepareSendData IN");
 909
 910     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 911     if (!cadata)
 912     {
 913         OIC_LOG(ERROR, TAG, "memory allocation failed");
 914         return NULL;
 915     }
 916
 917     if (CA_REQUEST_DATA == dataType)
 918     {
 919 #ifdef SINGLE_THREAD
 920         CARequestInfo_t *request = (CARequestInfo_t *)sendData;
 921 #else
 922         // clone request info
 923         CARequestInfo_t *request = CACloneRequestInfo((CARequestInfo_t *)sendData);
 924         if (!request)
 925         {
 926             OIC_LOG(ERROR, TAG, "CACloneRequestInfo failed");
 927             goto exit;
 928         }
 929 #endif
 930         cadata->type = request->isMulticast ? SEND_TYPE_MULTICAST : SEND_TYPE_UNICAST;
 931         cadata->requestInfo =  request;
 932     }
 933     else if (CA_RESPONSE_DATA == dataType || CA_RESPONSE_FOR_RES == dataType)
 934     {
 935 #ifdef SINGLE_THREAD
 936         CAResponseInfo_t *response = (CAResponseInfo_t *)sendData;
 937 #else
 938         // clone response info
 939         CAResponseInfo_t *response = CACloneResponseInfo((CAResponseInfo_t *)sendData);
 940         if(!response)
 941         {
 942             OIC_LOG(ERROR, TAG, "CACloneResponseInfo failed");
 943             goto exit;
 944         }
 945 #endif
 946         cadata->type = response->isMulticast ? SEND_TYPE_MULTICAST : SEND_TYPE_UNICAST;
 947         cadata->responseInfo = response;
 948     }
 949     else
 950     {
 951         OIC_LOG(ERROR, TAG, "CAPrepareSendData unknown data type");
 952         goto exit;
 953     }
 954
 955 #ifdef SINGLE_THREAD
 956     CAEndpoint_t* ep = endpoint;
 957 #else
 958     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
 959     if (!ep)
 960     {
 961         OIC_LOG(ERROR, TAG, "endpoint clone failed");
 962         goto exit;
 963     }
 964 #endif
 965     cadata->remoteEndpoint = ep;
 966     cadata->dataType = dataType;
 967     return cadata;
 968
 969 exit:
 970 #ifndef SINGLE_THREAD
 971     CADestroyData(cadata, sizeof(CAData_t));
 972 #else
 973     OICFree(cadata);
 974 #endif
 975     return NULL;
 976 }
 977
 978 CAResult_t CADetachSendMessage(const CAEndpoint_t *endpoint, const void *sendMsg,
 979                                CADataType_t dataType)
 980 {
 981     VERIFY_NON_NULL(endpoint, TAG, "endpoint");
 982     VERIFY_NON_NULL(sendMsg, TAG, "sendMsg");
 983
 984     if (false == CAIsSelectedNetworkAvailable())
 985     {
 986         return CA_STATUS_FAILED;
 987     }
 988
 989 #ifdef ARDUINO
 990     // If max retransmission queue is reached, then don't handle new request
 991     if (CA_MAX_RT_ARRAY_SIZE == u_arraylist_length(g_retransmissionContext.dataList))
 992     {
 993         OIC_LOG(ERROR, TAG, "max RT queue size reached!");
 994         return CA_SEND_FAILED;
 995     }
 996 #endif // ARDUINO
 997
 998     CAData_t *data = CAPrepareSendData(endpoint, sendMsg, dataType);
 999     if(!data)
1000     {
1001         OIC_LOG(ERROR, TAG, "CAPrepareSendData failed");
1002         return CA_MEMORY_ALLOC_FAILED;
1003     }
1004
1005     OIC_LOG_V(DEBUG, TAG, "device ID of endpoint of this message is %s", endpoint->remoteId);
1006
1007 #if defined(TCP_ADAPTER) && defined(WITH_CLOUD)
1008     CAResult_t ret = CACMGetMessageData(data);
1009     if (CA_STATUS_OK != ret)
1010     {
1011         OIC_LOG(DEBUG, TAG, "Ignore ConnectionManager");
1012     }
1013 #endif
1014
1015 #ifdef SINGLE_THREAD
1016     CAResult_t result = CAProcessSendData(data);
1017     if (CA_STATUS_OK != result)
1018     {
1019         OIC_LOG(ERROR, TAG, "CAProcessSendData failed");
1020         OICFree(data);
1021         return result;
1022     }
1023
1024     OICFree(data);
1025
1026 #else
1027     if (SEND_TYPE_UNICAST == data->type && CAIsLocalEndpoint(data->remoteEndpoint))
1028     {
1029         OIC_LOG(DEBUG, TAG,
1030                 "This is a loopback message. Transfer it to the receive queue directly");
1031         CAQueueingThreadAddData(&g_receiveThread, data, sizeof(CAData_t));
1032         return CA_STATUS_OK;
1033     }
1034 #ifdef WITH_BWT
1035     if (CAIsSupportedBlockwiseTransfer(endpoint->adapter))
1036     {
1037         // send block data
1038         CAResult_t res = CASendBlockWiseData(data);
1039         if (CA_NOT_SUPPORTED == res)
1040         {
1041             OIC_LOG(DEBUG, TAG, "normal msg will be sent");
1042             CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
1043             return CA_STATUS_OK;
1044         }
1045         else
1046         {
1047             CADestroyData(data, sizeof(CAData_t));
1048         }
1049         return res;
1050     }
1051     else
1052 #endif // WITH_BWT
1053     {
1054         CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
1055     }
1056 #endif // SINGLE_THREAD
1057
1058     return CA_STATUS_OK;
1059 }
1060
1061 void CASetInterfaceCallbacks(CARequestCallback ReqHandler, CAResponseCallback RespHandler,
1062                              CAErrorCallback errorHandler)
1063 {
1064     g_requestHandler = ReqHandler;
1065     g_responseHandler = RespHandler;
1066     g_errorHandler = errorHandler;
1067 }
1068
1069 void CASetNetworkMonitorCallback(CANetworkMonitorCallback nwMonitorHandler)
1070 {
1071     g_nwMonitorHandler = nwMonitorHandler;
1072 }
1073
1074 CAResult_t CAInitializeMessageHandler(CATransportAdapter_t transportType)
1075 {
1076     CASetPacketReceivedCallback(CAReceivedPacketCallback);
1077     CASetErrorHandleCallback(CAErrorHandler);
1078
1079 #ifndef SINGLE_THREAD
1080     // create thread pool
1081     CAResult_t res = ca_thread_pool_init(MAX_THREAD_POOL_SIZE, &g_threadPoolHandle);
1082     if (CA_STATUS_OK != res)
1083     {
1084         OIC_LOG(ERROR, TAG, "thread pool initialize error.");
1085         return res;
1086     }
1087
1088     // send thread initialize
1089     res = CAQueueingThreadInitialize(&g_sendThread, g_threadPoolHandle,
1090                                      CASendThreadProcess, CADestroyData);
1091     if (CA_STATUS_OK != res)
1092     {
1093         OIC_LOG(ERROR, TAG, "Failed to Initialize send queue thread");
1094         return res;
1095     }
1096
1097     // start send thread
1098     res = CAQueueingThreadStart(&g_sendThread);
1099     if (CA_STATUS_OK != res)
1100     {
1101         OIC_LOG(ERROR, TAG, "thread start error(send thread).");
1102         return res;
1103     }
1104
1105     // receive thread initialize
1106     res = CAQueueingThreadInitialize(&g_receiveThread, g_threadPoolHandle,
1107                                      CAReceiveThreadProcess, CADestroyData);
1108     if (CA_STATUS_OK != res)
1109     {
1110         OIC_LOG(ERROR, TAG, "Failed to Initialize receive queue thread");
1111         return res;
1112     }
1113
1114 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
1115     // start receive thread
1116     res = CAQueueingThreadStart(&g_receiveThread);
1117     if (CA_STATUS_OK != res)
1118     {
1119         OIC_LOG(ERROR, TAG, "thread start error(receive thread).");
1120         return res;
1121     }
1122 #endif // SINGLE_HANDLE
1123
1124     // retransmission initialize
1125     res = CARetransmissionInitialize(&g_retransmissionContext, g_threadPoolHandle,
1126                                      CASendUnicastData, CATimeoutCallback, NULL);
1127     if (CA_STATUS_OK != res)
1128     {
1129         OIC_LOG(ERROR, TAG, "Failed to Initialize Retransmission.");
1130         return res;
1131     }
1132
1133 #ifdef WITH_BWT
1134     // block-wise transfer initialize
1135     res = CAInitializeBlockWiseTransfer(CAAddDataToSendThread, CAAddDataToReceiveThread);
1136     if (CA_STATUS_OK != res)
1137     {
1138         OIC_LOG(ERROR, TAG, "Failed to Initialize BlockWiseTransfer.");
1139         return res;
1140     }
1141 #endif
1142
1143     // start retransmission
1144     res = CARetransmissionStart(&g_retransmissionContext);
1145     if (CA_STATUS_OK != res)
1146     {
1147         OIC_LOG(ERROR, TAG, "thread start error(retransmission thread).");
1148         return res;
1149     }
1150
1151     // initialize interface adapters by controller
1152     CAInitializeAdapters(g_threadPoolHandle, transportType);
1153 #else
1154     // retransmission initialize
1155     CAResult_t res = CARetransmissionInitialize(&g_retransmissionContext, NULL, CASendUnicastData,
1156                                                 CATimeoutCallback, NULL);
1157     if (CA_STATUS_OK != res)
1158     {
1159         OIC_LOG(ERROR, TAG, "Failed to Initialize Retransmission.");
1160         return res;
1161     }
1162
1163     CAInitializeAdapters();
1164 #endif // SINGLE_THREAD
1165
1166     return CA_STATUS_OK;
1167 }
1168
1169 void CATerminateMessageHandler()
1170 {
1171 #ifndef SINGLE_THREAD
1172     CATransportAdapter_t connType;
1173     u_arraylist_t *list = CAGetSelectedNetworkList();
1174     size_t length = u_arraylist_length(list);
1175
1176     for (size_t i = 0; i < length; i++)
1177     {
1178         void* ptrType = u_arraylist_get(list, i);
1179
1180         if (NULL == ptrType)
1181         {
1182             continue;
1183         }
1184
1185         connType = *(CATransportAdapter_t *)ptrType;
1186         CAStopAdapter(connType);
1187     }
1188
1189     // stop retransmission
1190     if (NULL != g_retransmissionContext.threadMutex)
1191     {
1192         CARetransmissionStop(&g_retransmissionContext);
1193     }
1194
1195     // stop thread
1196     // delete thread data
1197     if (NULL != g_sendThread.threadMutex)
1198     {
1199         CAQueueingThreadStop(&g_sendThread);
1200     }
1201
1202     // stop thread
1203     // delete thread data
1204     if (NULL != g_receiveThread.threadMutex)
1205     {
1206 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
1207         CAQueueingThreadStop(&g_receiveThread);
1208 #endif
1209     }
1210
1211     // destroy thread pool
1212     if (NULL != g_threadPoolHandle)
1213     {
1214         ca_thread_pool_free(g_threadPoolHandle);
1215         g_threadPoolHandle = NULL;
1216     }
1217
1218 #ifdef WITH_BWT
1219     CATerminateBlockWiseTransfer();
1220 #endif
1221     CARetransmissionDestroy(&g_retransmissionContext);
1222     CAQueueingThreadDestroy(&g_sendThread);
1223     CAQueueingThreadDestroy(&g_receiveThread);
1224
1225     // terminate interface adapters by controller
1226     CATerminateAdapters();
1227 #else
1228     // terminate interface adapters by controller
1229     CATerminateAdapters();
1230
1231     // stop retransmission
1232     CARetransmissionStop(&g_retransmissionContext);
1233     CARetransmissionDestroy(&g_retransmissionContext);
1234 #endif // SINGLE_THREAD
1235 }
1236
1237 static void CALogPayloadInfo(CAInfo_t *info)
1238 {
1239     if (info)
1240     {
1241         if (info->options)
1242         {
1243             for (uint32_t i = 0; i < info->numOptions; i++)
1244             {
1245                 OIC_LOG_V(DEBUG, TAG, "optionID: %u", info->options[i].optionID);
1246
1247                 OIC_LOG_V(DEBUG, TAG, "list: %s", info->options[i].optionData);
1248             }
1249         }
1250
1251         if (info->payload)
1252         {
1253             OIC_LOG_V(DEBUG, TAG, "payload: %p(%" PRIuPTR ")", info->payload,
1254                       info->payloadSize);
1255         }
1256
1257         if (info->token)
1258         {
1259             OIC_LOG(DEBUG, TAG, "token:");
1260             OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *) info->token,
1261                            info->tokenLength);
1262         }
1263         OIC_LOG_V(DEBUG, TAG, "msgID: %u", info->messageId);
1264     }
1265     else
1266     {
1267         OIC_LOG(DEBUG, TAG, "info is NULL, cannot output log data");
1268     }
1269 }
1270
1271 void CAErrorHandler(const CAEndpoint_t *endpoint,
1272                     const void *data, size_t dataLen,
1273                     CAResult_t result)
1274 {
1275     OIC_LOG(DEBUG, TAG, "CAErrorHandler IN");
1276     VERIFY_NON_NULL_VOID(endpoint, TAG, "remoteEndpoint");
1277     VERIFY_NON_NULL_VOID(data, TAG, "data");
1278
1279     if (0 == dataLen)
1280     {
1281         OIC_LOG(ERROR, TAG, "dataLen is zero");
1282         return;
1283     }
1284
1285 #ifndef SINGLE_THREAD
1286     uint32_t code = CA_NOT_FOUND;
1287     //Do not free remoteEndpoint and data. Currently they will be freed in data thread
1288     //Get PDU data
1289     coap_pdu_t *pdu = (coap_pdu_t *)CAParsePDU((const char *)data, dataLen, &code, endpoint);
1290     if (NULL == pdu)
1291     {
1292         OIC_LOG(ERROR, TAG, "Parse PDU failed");
1293         return;
1294     }
1295
1296     CAData_t *cadata = CAGenerateHandlerData(endpoint, NULL, pdu, CA_ERROR_DATA);
1297     if (!cadata)
1298     {
1299         OIC_LOG(ERROR, TAG, "CAErrorHandler, CAGenerateHandlerData failed!");
1300         coap_delete_pdu(pdu);
1301         return;
1302     }
1303
1304     cadata->errorInfo->result = result;
1305
1306     CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
1307     coap_delete_pdu(pdu);
1308 #else
1309     (void)result;
1310 #endif
1311
1312     OIC_LOG(DEBUG, TAG, "CAErrorHandler OUT");
1313     return;
1314 }
1315
1316 static void CASendErrorInfo(const CAEndpoint_t *endpoint, const CAInfo_t *info, CAResult_t result)
1317 {
1318     OIC_LOG(DEBUG, TAG, "CASendErrorInfo IN");
1319 #ifndef SINGLE_THREAD
1320     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
1321     if (!cadata)
1322     {
1323         OIC_LOG(ERROR, TAG, "cadata memory allocation failed");
1324         return;
1325     }
1326
1327     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
1328     if (!ep)
1329     {
1330         OIC_LOG(ERROR, TAG, "endpoint clone failed");
1331         OICFree(cadata);
1332         return;
1333     }
1334
1335     CAErrorInfo_t *errorInfo = (CAErrorInfo_t *)OICCalloc(1, sizeof (CAErrorInfo_t));
1336     if (!errorInfo)
1337     {
1338         OIC_LOG(ERROR, TAG, "errorInfo memory allocation failed");
1339         OICFree(cadata);
1340         CAFreeEndpoint(ep);
1341         return;
1342     }
1343
1344     CAResult_t res = CACloneInfo(info, &errorInfo->info);
1345     if (CA_STATUS_OK != res)
1346     {
1347         OIC_LOG(ERROR, TAG, "info clone failed");
1348         OICFree(cadata);
1349         OICFree(errorInfo);
1350         CAFreeEndpoint(ep);
1351         return;
1352     }
1353
1354     errorInfo->result = result;
1355     cadata->remoteEndpoint = ep;
1356     cadata->errorInfo = errorInfo;
1357     cadata->dataType = CA_ERROR_DATA;
1358
1359     CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
1360 #endif
1361     OIC_LOG(DEBUG, TAG, "CASendErrorInfo OUT");
1362 }
1363
1364 #ifndef ARDUINO
1365 static void CALogPDUInfo(const CAData_t *data, const coap_pdu_t *pdu)
1366 {
1367     OIC_LOG(DEBUG, TAG, "CALogPDUInfo");
1368
1369     VERIFY_NON_NULL_VOID(data, TAG, "data");
1370     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
1371     OIC_TRACE_BEGIN(%s:CALogPDUInfo, TAG);
1372
1373     OIC_LOG(DEBUG, ANALYZER_TAG, "=================================================");
1374     if(SEND_TYPE_MULTICAST == data->type)
1375     {
1376         OIC_LOG(DEBUG, ANALYZER_TAG, "Is Multicast = true");
1377     }
1378     else
1379     {
1380         OIC_LOG(DEBUG, ANALYZER_TAG, "Is Multicast = false");
1381     }
1382
1383     if (NULL != data->remoteEndpoint)
1384     {
1385         CALogAdapterTypeInfo(data->remoteEndpoint->adapter);
1386         OIC_LOG_V(DEBUG, ANALYZER_TAG, "Address = [%s]:[%d]", data->remoteEndpoint->addr,
1387                   data->remoteEndpoint->port);
1388     }
1389
1390     switch(data->dataType)
1391     {
1392         case CA_REQUEST_DATA:
1393             OIC_LOG(DEBUG, ANALYZER_TAG, "Data Type = [CA_REQUEST_DATA]");
1394             break;
1395         case CA_RESPONSE_DATA:
1396             OIC_LOG(DEBUG, ANALYZER_TAG, "Data Type = [CA_RESPONSE_DATA]");
1397             break;
1398         case CA_ERROR_DATA:
1399             OIC_LOG(DEBUG, ANALYZER_TAG, "Data Type = [CA_ERROR_DATA]");
1400             break;
1401         case CA_RESPONSE_FOR_RES:
1402             OIC_LOG(DEBUG, ANALYZER_TAG, "Data Type = [CA_RESPONSE_FOR_RES]");
1403             break;
1404         default:
1405             OIC_LOG_V(DEBUG, ANALYZER_TAG, "Data Type = [%d]", data->dataType);
1406             break;
1407     }
1408     OIC_LOG(DEBUG, ANALYZER_TAG, "-------------------------------------------------");
1409
1410     const CAInfo_t *info = NULL;
1411     if (NULL != data->requestInfo)
1412     {
1413         switch(data->requestInfo->method)
1414         {
1415             case CA_GET:
1416                 OIC_LOG(DEBUG, ANALYZER_TAG, "Method = [GET]");
1417                 break;
1418             case CA_POST:
1419                 OIC_LOG(DEBUG, ANALYZER_TAG, "Method = [POST]");
1420                 break;
1421             case CA_PUT:
1422                 OIC_LOG(DEBUG, ANALYZER_TAG, "Method = [PUT]");
1423                 break;
1424             case CA_DELETE:
1425                 OIC_LOG(DEBUG, ANALYZER_TAG, "Method = [DELETE]");
1426                 break;
1427             default:
1428                 OIC_LOG_V(DEBUG, ANALYZER_TAG, "Method = [%d]", data->requestInfo->method);
1429                 break;
1430         }
1431         info = &data->requestInfo->info;
1432     }
1433
1434     if (NULL != data->responseInfo)
1435     {
1436         OIC_LOG_V(DEBUG, ANALYZER_TAG, "result code = [%d]", data->responseInfo->result);
1437         info = &data->responseInfo->info;
1438     }
1439
1440     if (pdu->transport_hdr)
1441     {
1442         OIC_LOG_V(DEBUG, ANALYZER_TAG, "Msg ID = [%u]",
1443             (uint32_t)ntohs(pdu->transport_hdr->udp.id));
1444     }
1445
1446     if (info)
1447     {
1448         OIC_LOG(DEBUG, ANALYZER_TAG, "Coap Token");
1449         OIC_LOG_BUFFER(DEBUG, ANALYZER_TAG, (const uint8_t *) info->token, info->tokenLength);
1450         OIC_TRACE_BUFFER("OIC_CA_MSG_HANDLE:CALogPDUInfo:token:", (const uint8_t *) info->token,
1451                          info->tokenLength);
1452         OIC_LOG_V(DEBUG, ANALYZER_TAG, "Res URI = [%s]", info->resourceUri);
1453         OIC_TRACE_MARK(%s:CALogPDUInfo:uri:%s, TAG, info->resourceUri);
1454
1455         if (CA_FORMAT_APPLICATION_CBOR == info->payloadFormat)
1456         {
1457             OIC_LOG(DEBUG, ANALYZER_TAG, "Payload Format = [CA_FORMAT_APPLICATION_CBOR]");
1458         }
1459         else if (CA_FORMAT_APPLICATION_VND_OCF_CBOR == info->payloadFormat)
1460         {
1461             OIC_LOG(DEBUG, ANALYZER_TAG, "Payload Format = [CA_FORMAT_APPLICATION_VND_OCF_CBOR]");
1462         }
1463         else
1464         {
1465             OIC_LOG_V(DEBUG, ANALYZER_TAG, "Payload Format = [%d]", info->payloadFormat);
1466         }
1467     }
1468
1469 #ifdef TB_LOG
1470     size_t payloadLen = (pdu->data) ? (unsigned char *)pdu->hdr + pdu->length - pdu->data : 0;
1471 #endif
1472     OIC_LOG_V(DEBUG, ANALYZER_TAG, "CoAP Message Full Size = [%lu]", pdu->length);
1473     OIC_LOG(DEBUG, ANALYZER_TAG, "CoAP Header (+ 0xFF)");
1474     OIC_LOG_BUFFER(DEBUG, ANALYZER_TAG,  (const uint8_t *) pdu->transport_hdr,
1475                    pdu->length - payloadLen);
1476     OIC_LOG_V(DEBUG, ANALYZER_TAG, "CoAP Header size = [%lu]", pdu->length - payloadLen);
1477
1478     OIC_LOG_V(DEBUG, ANALYZER_TAG, "CoAP Payload");
1479     //OIC_LOG_BUFFER(DEBUG, ANALYZER_TAG, pdu->data, payloadLen);
1480     OIC_LOG_V(DEBUG, ANALYZER_TAG, "CoAP Payload Size = [%lu]", payloadLen);
1481     OIC_LOG(DEBUG, ANALYZER_TAG, "=================================================");
1482     OIC_TRACE_END();
1483 }
1484 #else
1485 static void CALogPDUInfo(const CAData_t *data, const coap_pdu_t *pdu)
1486 {
1487     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
1488     (void)data;
1489
1490     OIC_LOG_V(DEBUG, TAG, "PDU Maker - payload : %s", pdu->data);
1491     OIC_LOG_V(DEBUG, TAG, "PDU Maker - type : %d", pdu->transport_hdr->udp.type);
1492     OIC_LOG_V(DEBUG, TAG, "PDU Maker - code : %d", pdu->transport_hdr->udp.code);
1493     OIC_LOG(DEBUG, TAG, "PDU Maker - token :");
1494     OIC_LOG_BUFFER(DEBUG, TAG, pdu->transport_hdr->udp.token,
1495                    pdu->transport_hdr->udp.token_length);
1496 }
1497 #endif