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 "cainterfacecontroller.h"
  30 #include "caprotocolmessage.h"
  31 #include "caretransmission.h"
  32 #include "caadapterutils.h"
  33 #include "uqueue.h"
  34 #include "logger.h"
  35 #include "config.h" /* for coap protocol */
  36 #include "cathreadpool.h" /* for thread pool */
  37 #include "caqueueingthread.h"
  38 #include "camutex.h"
  39 #include "oic_malloc.h"
  40 #include "oic_string.h"
  41 #include "canetworkconfigurator.h"
  42
  43 #define TAG PCF("CA")
  44 #define SINGLE_HANDLE
  45
  46 #define MAX_THREAD_POOL_SIZE    20
  47
  48 typedef enum
  49 {
  50     SEND_TYPE_MULTICAST = 0, SEND_TYPE_UNICAST
  51 } CASendDataType_t;
  52
  53 typedef enum
  54 {
  55     CA_REQUEST_DATA = 1,
  56     CA_RESPONSE_DATA = 2,
  57     CA_ERROR_DATA = 3,
  58 } CADataType_t;
  59
  60 typedef struct
  61 {
  62     CASendDataType_t type;
  63     CAEndpoint_t *remoteEndpoint;
  64     CARequestInfo_t *requestInfo;
  65     CAResponseInfo_t *responseInfo;
  66     CAErrorInfo_t *errorInfo;
  67     CAHeaderOption_t *options;
  68     CADataType_t dataType;
  69     uint8_t numOptions;
  70 } CAData_t;
  71
  72 // thread pool handle
  73 static ca_thread_pool_t g_threadPoolHandle = NULL;
  74
  75 // message handler main thread
  76 static CAQueueingThread_t g_sendThread;
  77 static CAQueueingThread_t g_receiveThread;
  78
  79 static CARetransmission_t g_retransmissionContext;
  80
  81 // handler field
  82 static CARequestCallback g_requestHandler = NULL;
  83 static CAResponseCallback g_responseHandler = NULL;
  84 static CAErrorCallback g_errorHandler = NULL;
  85
  86 static void CAErrorHandler(const CAEndpoint_t *endpoint,
  87                            const void *data, uint32_t dataLen,
  88                            CAResult_t result);
  89
  90 static bool CAIsSelectedNetworkAvailable()
  91 {
  92     u_arraylist_t *list = CAGetSelectedNetworkList();
  93     if (!list || list->length == 0)
  94     {
  95         OIC_LOG(ERROR, TAG, "No selected network");
  96         return false;
  97     }
  98
  99     return true;
 100 }
 101
 102 static void CATimeoutCallback(const CAEndpoint_t *endpoint, const void *pdu, uint32_t size)
 103 {
 104     OIC_LOG(DEBUG, TAG, "IN");
 105     VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint");
 106     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
 107
 108     CAEndpoint_t* ep = CACloneEndpoint(endpoint);
 109     if (NULL == ep)
 110     {
 111         OIC_LOG(ERROR, TAG, "clone failed");
 112         return;
 113     }
 114
 115     CAResponseInfo_t* resInfo = (CAResponseInfo_t*)OICCalloc(1, sizeof(CAResponseInfo_t));
 116
 117     if (NULL == resInfo)
 118     {
 119         OIC_LOG(ERROR, TAG, "calloc failed");
 120         CAAdapterFreeEndpoint(ep);
 121         return;
 122     }
 123
 124     resInfo->result = CA_RETRANSMIT_TIMEOUT;
 125     resInfo->info.type = CAGetMessageTypeFromPduBinaryData(pdu, size);
 126     resInfo->info.messageId = CAGetMessageIdFromPduBinaryData(pdu, size);
 127     CAResult_t res = CAGetTokenFromPDU((const coap_hdr_t *) pdu, &(resInfo->info));
 128     if (CA_STATUS_OK != res)
 129     {
 130         OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
 131         OICFree(resInfo->info.token);
 132         OICFree(resInfo);
 133         CAAdapterFreeEndpoint(ep);
 134         return;
 135     }
 136
 137     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 138     if (NULL == cadata)
 139     {
 140         OIC_LOG(ERROR, TAG, "memory allocation failed !");
 141         CAAdapterFreeEndpoint(ep);
 142         OICFree(resInfo);
 143         return;
 144     }
 145
 146     cadata->type = SEND_TYPE_UNICAST;
 147     cadata->remoteEndpoint = ep;
 148     cadata->requestInfo = NULL;
 149     cadata->responseInfo = resInfo;
 150
 151     CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
 152     OIC_LOG(DEBUG, TAG, "OUT");
 153 }
 154
 155 static void CADataDestroyer(void *data, uint32_t size)
 156 {
 157     OIC_LOG(DEBUG, TAG, "IN");
 158     CAData_t *cadata = (CAData_t *) data;
 159
 160     if (NULL == cadata)
 161     {
 162         OIC_LOG(ERROR, TAG, "cadata is NULL");
 163         return;
 164     }
 165
 166     if (NULL != cadata->remoteEndpoint)
 167     {
 168         CADestroyEndpointInternal(cadata->remoteEndpoint);
 169     }
 170
 171     if (NULL != cadata->requestInfo)
 172     {
 173         CADestroyRequestInfoInternal((CARequestInfo_t *) cadata->requestInfo);
 174     }
 175
 176     if (NULL != cadata->responseInfo)
 177     {
 178         CADestroyResponseInfoInternal((CAResponseInfo_t *) cadata->responseInfo);
 179     }
 180
 181     if (NULL != cadata->errorInfo)
 182     {
 183        CAInfo_t *info = &cadata->errorInfo->info;
 184        OICFree(info->token);
 185        OICFree(info->options);
 186        OICFree(info->payload);
 187        OICFree(cadata->errorInfo);
 188     }
 189
 190     OICFree(cadata->options);
 191     OICFree(cadata);
 192     OIC_LOG(DEBUG, TAG, "OUT");
 193 }
 194
 195 static void CAReceiveThreadProcess(void *threadData)
 196 {
 197     OIC_LOG(DEBUG, TAG, "IN");
 198     // Currently not supported
 199     // This will be enabled when RI supports multi threading
 200 #ifndef SINGLE_HANDLE
 201     CAData_t *data = (CAData_t *) threadData;
 202
 203     if (NULL == data)
 204     {
 205         OIC_LOG(ERROR, TAG, "thread data error!!");
 206         return;
 207     }
 208
 209     // parse the data and call the callbacks.
 210     // #1 parse the data
 211     // #2 get endpoint
 212     CAEndpoint_t *rep = (CAEndpoint_t *)(data->remoteEndpoint);
 213
 214     if (NULL == rep)
 215     {
 216         OIC_LOG(ERROR, TAG, "remoteEndpoint error!!");
 217         return;
 218     }
 219
 220     if (data->requestInfo && g_requestHandler)
 221     {
 222         g_requestHandler(rep, data->requestInfo);
 223     }
 224     else if (data->responseInfo && g_responseHandler)
 225     {
 226         g_responseHandler(rep, data->responseInfo);
 227     }
 228     else if (data->errorInfo && g_errorHandler)
 229     {
 230         g_errorHandler(rep, data->errorInfo);
 231     }
 232
 233 #endif /* SINGLE_HANDLE */
 234     OIC_LOG(DEBUG, TAG, "OUT");
 235 }
 236
 237 static void CASendThreadProcess(void *threadData)
 238 {
 239     OIC_LOG(DEBUG, TAG, "IN");
 240     CAData_t *data = (CAData_t *) threadData;
 241
 242     VERIFY_NON_NULL_VOID(data, TAG, "data");
 243     VERIFY_NON_NULL_VOID(data->remoteEndpoint, TAG, "remoteEndpoint");
 244
 245     CAResult_t res = CA_STATUS_FAILED;
 246
 247     CASendDataType_t type = data->type;
 248
 249     coap_pdu_t *pdu = NULL;
 250
 251     if (SEND_TYPE_UNICAST == type)
 252     {
 253
 254         if (NULL != data->requestInfo)
 255         {
 256             OIC_LOG(DEBUG, TAG, "requestInfo is available..");
 257
 258             pdu = CAGeneratePDU(data->requestInfo->method, &data->requestInfo->info);
 259         }
 260         else if (NULL != data->responseInfo)
 261         {
 262             OIC_LOG(DEBUG, TAG, "responseInfo is available..");
 263
 264             pdu = CAGeneratePDU(data->responseInfo->result, &data->responseInfo->info);
 265         }
 266         else
 267         {
 268             OIC_LOG(DEBUG, TAG, "request info, response info is empty");
 269         }
 270
 271         // interface controller function call.
 272         if (NULL != pdu)
 273         {
 274             CALogPDUInfo(pdu);
 275
 276             res = CASendUnicastData(data->remoteEndpoint, pdu->hdr, pdu->length);
 277             if (CA_STATUS_OK != res)
 278             {
 279                 OIC_LOG_V(ERROR, TAG, "send failed:%d", res);
 280                 CAErrorHandler(data->remoteEndpoint, pdu->hdr, pdu->length, res);
 281                 coap_delete_pdu(pdu);
 282                 return;
 283             }
 284             // for retransmission
 285             res = CARetransmissionSentData(&g_retransmissionContext, data->remoteEndpoint, pdu->hdr,
 286                                            pdu->length);
 287             if (CA_STATUS_OK != res)
 288             {
 289                 OIC_LOG_V(INFO, TAG, "retransmission will be not working: %d", res);
 290                 coap_delete_pdu(pdu);
 291                 return;
 292             }
 293
 294             coap_delete_pdu(pdu);
 295         }
 296     }
 297     else if (SEND_TYPE_MULTICAST == type)
 298     {
 299         OIC_LOG(DEBUG, TAG, "both requestInfo & responseInfo is not available");
 300
 301         CAInfo_t *info = &data->requestInfo->info;
 302
 303         info->options = data->options;
 304         info->numOptions = data->numOptions;
 305
 306         pdu = CAGeneratePDU(CA_GET, info);
 307         if (NULL != pdu)
 308         {
 309             CALogPDUInfo(pdu);
 310
 311             res = CASendMulticastData(data->remoteEndpoint, pdu->hdr, pdu->length);
 312             if (CA_STATUS_OK != res)
 313             {
 314                 OIC_LOG_V(ERROR, TAG, "send failed:%d", res);
 315                 CAErrorHandler(data->remoteEndpoint, pdu->hdr, pdu->length, res);
 316                 coap_delete_pdu(pdu);
 317                 return;
 318             }
 319
 320             coap_delete_pdu(pdu);
 321         }
 322     }
 323
 324     OIC_LOG(DEBUG, TAG, "OUT");
 325 }
 326
 327 static void CAReceivedPacketCallback(const CAEndpoint_t *endpoint, void *data, uint32_t dataLen)
 328 {
 329     OIC_LOG(DEBUG, TAG, "IN");
 330     VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint");
 331     VERIFY_NON_NULL_VOID(data, TAG, "data");
 332
 333     uint32_t code = CA_NOT_FOUND;
 334     coap_pdu_t *pdu = (coap_pdu_t *) CAParsePDU((const char *) data, dataLen, &code);
 335     OICFree(data);
 336
 337     if (NULL == pdu)
 338     {
 339         OIC_LOG(ERROR, TAG, "Parse PDU failed");
 340         return;
 341     }
 342
 343     if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
 344     {
 345         CARequestInfo_t *ReqInfo = (CARequestInfo_t *) OICCalloc(1, sizeof(CARequestInfo_t));
 346         if (NULL == ReqInfo)
 347         {
 348             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, Memory allocation failed!");
 349             coap_delete_pdu(pdu);
 350             return;
 351         }
 352
 353         CAResult_t res = CAGetRequestInfoFromPDU(pdu, ReqInfo);
 354         if (CA_STATUS_OK != res)
 355         {
 356             OIC_LOG_V(ERROR, TAG, "CAGetRequestInfoFromPDU failed : %d", res);
 357             OICFree(ReqInfo);
 358             coap_delete_pdu(pdu);
 359             return;
 360         }
 361
 362         if (NULL != ReqInfo->info.options)
 363         {
 364             uint32_t i;
 365             for (i = 0; i < ReqInfo->info.numOptions; i++)
 366             {
 367                 OIC_LOG_V(DEBUG, TAG, "Request- optionID: %d", ReqInfo->info.options[i].optionID);
 368
 369                 OIC_LOG_V(DEBUG, TAG, "Request- list: %s", ReqInfo->info.options[i].optionData);
 370             }
 371         }
 372
 373         if (NULL != ReqInfo->info.payload)
 374         {
 375             OIC_LOG_V(DEBUG, TAG, "Request- payload: %s", ReqInfo->info.payload);
 376         }
 377         OIC_LOG_V(DEBUG, TAG, "Request- code: %d", ReqInfo->method);
 378         if (NULL != ReqInfo->info.token)
 379         {
 380             OIC_LOG(DEBUG, TAG, "Request- token:");
 381             OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *) ReqInfo->info.token,
 382                            ReqInfo->info.tokenLength);
 383         }
 384
 385         OIC_LOG_V(DEBUG, TAG, "Request- code: %d", ReqInfo->method);
 386         OIC_LOG(DEBUG, TAG, "Request- token");
 387         OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *) ReqInfo->info.token, CA_MAX_TOKEN_LEN);
 388         OIC_LOG_V(DEBUG, TAG, "Request- msgID : %d", ReqInfo->info.messageId);
 389         // store the data at queue.
 390         CAData_t *cadata = NULL;
 391         cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 392         if (NULL == cadata)
 393         {
 394             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, Memory allocation failed !");
 395             CADestroyRequestInfoInternal(ReqInfo);
 396             coap_delete_pdu(pdu);
 397             return;
 398         }
 399
 400         cadata->type = SEND_TYPE_UNICAST;
 401         cadata->remoteEndpoint = CAAdapterCloneEndpoint(endpoint);
 402         cadata->requestInfo = ReqInfo;
 403         cadata->responseInfo = NULL;
 404         CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
 405     }
 406     else
 407     {
 408         CAResponseInfo_t *ResInfo = (CAResponseInfo_t *) OICCalloc(1, sizeof(CAResponseInfo_t));
 409         if (NULL == ResInfo)
 410         {
 411             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, Memory allocation failed!");
 412             coap_delete_pdu(pdu);
 413             return;
 414         }
 415
 416         CAResult_t res = CAGetResponseInfoFromPDU(pdu, ResInfo);
 417         if (CA_STATUS_OK != res)
 418         {
 419             OIC_LOG_V(ERROR, TAG, "CAGetResponseInfoFromPDU failed : %d", res);
 420             OICFree(ResInfo);
 421             coap_delete_pdu(pdu);
 422             return;
 423         }
 424
 425         if (NULL != ResInfo->info.options)
 426         {
 427             uint32_t i;
 428             for (i = 0; i < ResInfo->info.numOptions; i++)
 429             {
 430                 OIC_LOG_V(DEBUG, TAG, "Response- optionID: %d", ResInfo->info.options[i].optionID);
 431
 432                 OIC_LOG_V(DEBUG, TAG, "Response- list: %s", ResInfo->info.options[i].optionData);
 433             }
 434         }
 435
 436         if (NULL != ResInfo->info.payload)
 437         {
 438             OIC_LOG_V(DEBUG, TAG, "Response- payload: %s", ResInfo->info.payload);
 439         }
 440         OIC_LOG_V(DEBUG, TAG, "Response- code: %d", ResInfo->result);
 441         OIC_LOG_V(DEBUG, TAG, "Response- token : %s", ResInfo->info.token);
 442         OIC_LOG_V(DEBUG, TAG, "Response- msgID: %d", ResInfo->info.messageId);
 443
 444         // store the data at queue.
 445         CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 446         if (NULL == cadata)
 447         {
 448             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, Memory allocation failed !");
 449             CADestroyResponseInfoInternal(ResInfo);
 450             coap_delete_pdu(pdu);
 451             return;
 452         }
 453
 454         cadata->type = SEND_TYPE_UNICAST;
 455         cadata->remoteEndpoint = CAAdapterCloneEndpoint(endpoint);
 456         cadata->requestInfo = NULL;
 457
 458         // for retransmission
 459         void *retransmissionPdu = NULL;
 460         CARetransmissionReceivedData(&g_retransmissionContext, endpoint, pdu->hdr, pdu->length,
 461                                      &retransmissionPdu);
 462
 463         // get token from saved data in retransmission list
 464         if (retransmissionPdu && CA_EMPTY == code)
 465         {
 466             CAResult_t res = CAGetTokenFromPDU((const coap_hdr_t *)retransmissionPdu,
 467                                                &(ResInfo->info));
 468             if (CA_STATUS_OK != res)
 469             {
 470                 OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
 471                 OICFree(ResInfo->info.token);
 472             }
 473         }
 474         OICFree(retransmissionPdu);
 475         cadata->responseInfo = ResInfo;
 476
 477         CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
 478     }
 479
 480     if (pdu)
 481     {
 482         coap_delete_pdu(pdu);
 483     }
 484     OIC_LOG(DEBUG, TAG, "OUT");
 485 }
 486
 487 static void CANetworkChangedCallback(const CAEndpoint_t *info, CANetworkStatus_t status)
 488 {
 489     OIC_LOG(DEBUG, TAG, "IN");
 490
 491     OIC_LOG(DEBUG, TAG, "OUT");
 492 }
 493
 494 void CAHandleRequestResponseCallbacks()
 495 {
 496     OIC_LOG(DEBUG, TAG, "CAHandleRequestResponseCallbacks IN");
 497
 498 #ifdef SINGLE_HANDLE
 499     // parse the data and call the callbacks.
 500     // #1 parse the data
 501     // #2 get endpoint
 502
 503     ca_mutex_lock(g_receiveThread.threadMutex);
 504
 505     u_queue_message_t *item = u_queue_get_element(g_receiveThread.dataQueue);
 506
 507     ca_mutex_unlock(g_receiveThread.threadMutex);
 508
 509     if (NULL == item)
 510     {
 511         return;
 512     }
 513
 514     // get values
 515     void *msg = item->msg;
 516
 517     if (NULL == msg)
 518     {
 519         return;
 520     }
 521
 522     // get endpoint
 523     CAData_t *td = (CAData_t *) msg;
 524
 525     if (td->requestInfo && g_requestHandler)
 526     {
 527         OIC_LOG_V(DEBUG, TAG, "request callback : %d", td->requestInfo->info.numOptions);
 528         g_requestHandler(td->remoteEndpoint, td->requestInfo);
 529     }
 530     else if (td->responseInfo && g_responseHandler)
 531     {
 532         OIC_LOG_V(DEBUG, TAG, "response callback : %d", td->responseInfo->info.numOptions);
 533         g_responseHandler(td->remoteEndpoint, td->responseInfo);
 534     }
 535     else if (td->errorInfo && g_errorHandler)
 536     {
 537         OIC_LOG_V(DEBUG, TAG, "error callback error: %d", td->errorInfo->result);
 538         g_errorHandler(td->remoteEndpoint, td->errorInfo);
 539     }
 540
 541     CADataDestroyer(msg, sizeof(CAData_t));
 542
 543 #endif
 544     OIC_LOG(DEBUG, TAG, "CAHandleRequestResponseCallbacks OUT");
 545 }
 546
 547 CAResult_t CADetachRequestMessage(const CAEndpoint_t *object, const CARequestInfo_t *request)
 548 {
 549     OIC_LOG(DEBUG, TAG, "IN");
 550
 551     VERIFY_NON_NULL(object, TAG, "object");
 552     VERIFY_NON_NULL(request, TAG, "request");
 553
 554     if (false == CAIsSelectedNetworkAvailable())
 555     {
 556         return CA_STATUS_FAILED;
 557     }
 558
 559     CAEndpoint_t *remoteEndpoint = NULL;
 560     CARequestInfo_t *requestInfo = NULL;
 561     CAData_t *data = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 562     CA_MEMORY_ALLOC_CHECK(data);
 563
 564     // clone remote endpoint
 565     remoteEndpoint = CACloneEndpoint(object);
 566     CA_MEMORY_ALLOC_CHECK(remoteEndpoint);
 567
 568     // clone request info
 569     requestInfo = CACloneRequestInfo(request);
 570     CA_MEMORY_ALLOC_CHECK(requestInfo);
 571
 572     // save data
 573     data->type = request->isMulticast ? SEND_TYPE_MULTICAST : SEND_TYPE_UNICAST;
 574     data->remoteEndpoint = remoteEndpoint;
 575     data->requestInfo = requestInfo;
 576     data->responseInfo = NULL;
 577
 578     // add thread
 579     CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
 580     OIC_LOG(DEBUG, TAG, "OUT");
 581     return CA_STATUS_OK;
 582
 583 // memory error label.
 584 memory_error_exit:
 585     CAAdapterFreeEndpoint(remoteEndpoint);
 586     CADestroyRequestInfoInternal(requestInfo);
 587
 588     OICFree(data);
 589     OIC_LOG(DEBUG, TAG, "OUT");
 590     return CA_MEMORY_ALLOC_FAILED;
 591 }
 592
 593 CAResult_t CADetachResponseMessage(const CAEndpoint_t *object,
 594                                    const CAResponseInfo_t *response)
 595 {
 596     OIC_LOG(DEBUG, TAG, "IN");
 597     VERIFY_NON_NULL(object, TAG, "object");
 598     VERIFY_NON_NULL(response, TAG, "response");
 599
 600     if (false == CAIsSelectedNetworkAvailable())
 601     {
 602         return CA_STATUS_FAILED;
 603     }
 604
 605     CAEndpoint_t *remoteEndpoint = NULL;
 606     CAResponseInfo_t *responseInfo = NULL;
 607
 608     // allocate & initialize
 609     CAData_t *data = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 610     CA_MEMORY_ALLOC_CHECK(data);
 611
 612     // clone remote endpoint
 613     remoteEndpoint = CACloneEndpoint(object);
 614     CA_MEMORY_ALLOC_CHECK(remoteEndpoint);
 615
 616     // clone response info
 617     responseInfo = CACloneResponseInfo(response);
 618     CA_MEMORY_ALLOC_CHECK(responseInfo);
 619
 620     // save data
 621     data->type = SEND_TYPE_UNICAST;
 622     data->remoteEndpoint = remoteEndpoint;
 623     data->requestInfo = NULL;
 624     data->responseInfo = responseInfo;
 625
 626     // add thread
 627     CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
 628
 629     OIC_LOG(DEBUG, TAG, "OUT");
 630     return CA_STATUS_OK;
 631
 632 // memory error label.
 633 memory_error_exit:
 634     CAAdapterFreeEndpoint(remoteEndpoint);
 635     CADestroyResponseInfoInternal(responseInfo);
 636     OICFree(data);
 637     OIC_LOG(DEBUG, TAG, "OUT");
 638
 639     return CA_MEMORY_ALLOC_FAILED;
 640 }
 641
 642 CAResult_t CADetachMessageResourceUri(const CAURI_t resourceUri, const CAToken_t token,
 643                                       uint8_t tokenLength, const CAHeaderOption_t *options,
 644                                       uint8_t numOptions)
 645 {
 646     return CA_NOT_SUPPORTED;
 647 }
 648
 649 void CASetInterfaceCallbacks(CARequestCallback ReqHandler, CAResponseCallback RespHandler,
 650                              CAErrorCallback errroHandler)
 651 {
 652     OIC_LOG(DEBUG, TAG, "IN");
 653     g_requestHandler = ReqHandler;
 654     g_responseHandler = RespHandler;
 655     g_errorHandler = errroHandler;
 656     OIC_LOG(DEBUG, TAG, "OUT");
 657 }
 658
 659 CAResult_t CAInitializeMessageHandler()
 660 {
 661     OIC_LOG(DEBUG, TAG, "IN");
 662     CASetPacketReceivedCallback(CAReceivedPacketCallback);
 663
 664     CASetNetworkChangeCallback(CANetworkChangedCallback);
 665     CASetErrorHandleCallback(CAErrorHandler);
 666
 667     // create thread pool
 668     CAResult_t res = ca_thread_pool_init(MAX_THREAD_POOL_SIZE, &g_threadPoolHandle);
 669
 670     if (res != CA_STATUS_OK)
 671     {
 672         OIC_LOG(ERROR, TAG, "thread pool initialize error.");
 673         return res;
 674     }
 675
 676     // send thread initialize
 677     if (CA_STATUS_OK != CAQueueingThreadInitialize(&g_sendThread, g_threadPoolHandle,
 678                                                    CASendThreadProcess, CADataDestroyer))
 679     {
 680         OIC_LOG(ERROR, TAG, "Failed to Initialize send queue thread");
 681         return CA_STATUS_FAILED;
 682     }
 683
 684     // start send thread
 685     res = CAQueueingThreadStart(&g_sendThread);
 686
 687     if (res != CA_STATUS_OK)
 688     {
 689         OIC_LOG(ERROR, TAG, "thread start error(send thread).");
 690         ca_thread_pool_free(g_threadPoolHandle);
 691         g_threadPoolHandle = NULL;
 692         return res;
 693     }
 694
 695     // receive thread initialize
 696     if (CA_STATUS_OK != CAQueueingThreadInitialize(&g_receiveThread, g_threadPoolHandle,
 697                                                    CAReceiveThreadProcess, CADataDestroyer))
 698     {
 699         OIC_LOG(ERROR, TAG, "Failed to Initialize receive queue thread");
 700         return CA_STATUS_FAILED;
 701     }
 702
 703 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
 704     // start receive thread
 705     res = CAQueueingThreadStart(&gReceiveThread);
 706
 707     if (res != CA_STATUS_OK)
 708     {
 709         OIC_LOG(ERROR, TAG, "thread start error(receive thread).");
 710         return res;
 711     }
 712 #endif
 713
 714     // retransmission initialize
 715     CARetransmissionInitialize(&g_retransmissionContext, g_threadPoolHandle, CASendUnicastData,
 716                                CATimeoutCallback, NULL);
 717
 718     // start retransmission
 719     res = CARetransmissionStart(&g_retransmissionContext);
 720
 721     if (res != CA_STATUS_OK)
 722     {
 723         OIC_LOG(ERROR, TAG, "thread start error(retransmission thread).");
 724         return res;
 725     }
 726
 727     // initialize interface adapters by controller
 728     CAInitializeAdapters(g_threadPoolHandle);
 729     OIC_LOG(DEBUG, TAG, "OUT");
 730     return CA_STATUS_OK;
 731 }
 732
 733 void CATerminateMessageHandler()
 734 {
 735     OIC_LOG(DEBUG, TAG, "IN");
 736     CATransportAdapter_t connType;
 737     u_arraylist_t *list = CAGetSelectedNetworkList();
 738     uint32_t length = u_arraylist_length(list);
 739
 740     uint32_t i = 0;
 741     for (i = 0; i < length; i++)
 742     {
 743         void* ptrType = u_arraylist_get(list, i);
 744
 745         if (NULL == ptrType)
 746         {
 747             continue;
 748         }
 749
 750         connType = *(CATransportAdapter_t *)ptrType;
 751         CAStopAdapter(connType);
 752     }
 753
 754     // stop retransmission
 755     if (NULL != g_retransmissionContext.threadMutex)
 756     {
 757         CARetransmissionStop(&g_retransmissionContext);
 758     }
 759
 760     // stop thread
 761     // delete thread data
 762     if (NULL != g_sendThread.threadMutex)
 763     {
 764         CAQueueingThreadStop(&g_sendThread);
 765     }
 766
 767     // stop thread
 768     // delete thread data
 769     if (NULL != g_receiveThread.threadMutex)
 770     {
 771 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
 772         CAQueueingThreadStop(&gReceiveThread);
 773 #endif
 774     }
 775
 776     // destroy thread pool
 777     if (NULL != g_threadPoolHandle)
 778     {
 779         ca_thread_pool_free(g_threadPoolHandle);
 780         g_threadPoolHandle = NULL;
 781     }
 782
 783     CARetransmissionDestroy(&g_retransmissionContext);
 784     CAQueueingThreadDestroy(&g_sendThread);
 785     CAQueueingThreadDestroy(&g_receiveThread);
 786
 787     // terminate interface adapters by controller
 788     CATerminateAdapters();
 789
 790     OIC_LOG(DEBUG, TAG, "OUT");
 791 }
 792
 793 void CALogPDUInfo(coap_pdu_t *pdu)
 794 {
 795     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
 796
 797     OIC_LOG_V(DEBUG, TAG, "PDU Maker - payload : %s", pdu->data);
 798
 799     OIC_LOG_V(DEBUG, TAG, "PDU Maker - type : %d", pdu->hdr->type);
 800
 801     OIC_LOG_V(DEBUG, TAG, "PDU Maker - code : %d", pdu->hdr->code);
 802
 803     OIC_LOG_V(DEBUG, TAG, "PDU Maker - id : %d", ntohs(pdu->hdr->id));
 804
 805     OIC_LOG(DEBUG, TAG, "PDU Maker - token :");
 806
 807     OIC_LOG_BUFFER(DEBUG, TAG, pdu->hdr->token, pdu->hdr->token_length);
 808 }
 809
 810 void CAErrorHandler(const CAEndpoint_t *endpoint,
 811                     const void *data, uint32_t dataLen,
 812                     CAResult_t result)
 813 {
 814     OIC_LOG(DEBUG, TAG, "IN");
 815     VERIFY_NON_NULL_VOID(endpoint, TAG, "remoteEndpoint");
 816     VERIFY_NON_NULL_VOID(data, TAG, "data");
 817
 818     uint32_t code = CA_NOT_FOUND;
 819     //Do not free remoteEndpoint and data. Currently they will be freed in data thread
 820     //Get PDU data
 821     coap_pdu_t *pdu = (coap_pdu_t *)CAParsePDU((const char *)data, dataLen, &code);
 822     if (NULL == pdu)
 823     {
 824         OIC_LOG(ERROR, TAG, "Parse PDU failed");
 825         return;
 826     }
 827
 828     CAErrorInfo_t *errorInfo = (CAErrorInfo_t *)OICCalloc(1, sizeof (CAErrorInfo_t));
 829     if (NULL == errorInfo)
 830     {
 831         OIC_LOG(ERROR, TAG, "CAErrorHandler, Memory allocation failed!");
 832         coap_delete_pdu(pdu);
 833         return;
 834     }
 835
 836     CAResult_t res = CAGetErrorInfoFromPDU(pdu, errorInfo);
 837     if (CA_STATUS_OK != res)
 838     {
 839         OIC_LOG_V(ERROR, TAG, "CAGetErrorInfoFromPDU failed : %d", res);
 840         OICFree(errorInfo);
 841         coap_delete_pdu(pdu);
 842        return;
 843     }
 844
 845     errorInfo->result = result;
 846     OIC_LOG_V(DEBUG, TAG, "error : %d", result);
 847     if (NULL != errorInfo->info.payload)
 848     {
 849         OIC_LOG_V(DEBUG, TAG, "error, payload: %s", errorInfo->info.payload);
 850     }
 851
 852     OIC_LOG(DEBUG, TAG, "error, token");
 853     OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *) errorInfo->info.token,
 854                    errorInfo->info.tokenLength);
 855     OIC_LOG_V(DEBUG, TAG, "CAErrorHandler, msgID : %d", errorInfo->info.messageId);
 856
 857     CAEndpoint_t *rep = NULL;
 858     rep = CACloneEndpoint(endpoint);
 859     if (!rep)
 860     {
 861         OIC_LOG(ERROR, TAG, "CAErrorHandler, CloneEndpoint Failed");
 862         OICFree(errorInfo);
 863         coap_delete_pdu(pdu);
 864         return;
 865     }
 866
 867     // store the data at queue.
 868     CAData_t *cadata = NULL;
 869     cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 870     if (NULL == cadata)
 871     {
 872         OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, Memory allocation failed !");
 873         CADestroyEndpointInternal(rep);
 874         OICFree(errorInfo);
 875         coap_delete_pdu(pdu);
 876         return;
 877     }
 878
 879     cadata->remoteEndpoint = rep;
 880     cadata->requestInfo = NULL;
 881     cadata->responseInfo = NULL;
 882     cadata->errorInfo = errorInfo;
 883     cadata->dataType = CA_ERROR_DATA;
 884
 885     CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
 886     coap_delete_pdu(pdu);
 887
 888     return;
 889 }
 890