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 "canetworkconfigurator.h"
  41
  42 #define TAG PCF("CA")
  43 #define SINGLE_HANDLE
  44
  45 #define MAX_THREAD_POOL_SIZE    20
  46
  47 typedef enum
  48 {
  49     SEND_TYPE_MULTICAST = 0, SEND_TYPE_UNICAST
  50 } CASendDataType_t;
  51
  52 typedef struct
  53 {
  54     CASendDataType_t type;
  55     CARemoteEndpoint_t *remoteEndpoint;
  56     CARequestInfo_t *requestInfo;
  57     CAResponseInfo_t *responseInfo;
  58     CAHeaderOption_t *options;
  59     uint8_t numOptions;
  60 } CAData_t;
  61
  62 // thread pool handle
  63 static ca_thread_pool_t g_threadPoolHandle = NULL;
  64
  65 // message handler main thread
  66 static CAQueueingThread_t g_sendThread;
  67 static CAQueueingThread_t g_receiveThread;
  68
  69 static CARetransmission_t g_retransmissionContext;
  70
  71 // handler field
  72 static CARequestCallback g_requestHandler = NULL;
  73 static CAResponseCallback g_responseHandler = NULL;
  74
  75 static bool CAIsSelectedNetworkAvailable()
  76 {
  77     u_arraylist_t *list = CAGetSelectedNetworkList();
  78     if (!list || list->length == 0)
  79     {
  80         OIC_LOG(ERROR, TAG, "No selected network");
  81         return false;
  82     }
  83
  84     return true;
  85 }
  86
  87 static void CATimeoutCallback(const CARemoteEndpoint_t *endpoint, const void *pdu, uint32_t size)
  88 {
  89     OIC_LOG(DEBUG, TAG, "IN");
  90     VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint");
  91     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
  92
  93     CARemoteEndpoint_t* ep = CACloneRemoteEndpoint(endpoint);
  94     if (NULL == ep)
  95     {
  96         OIC_LOG(ERROR, TAG, "clone failed");
  97         return;
  98     }
  99
 100     CAResponseInfo_t* resInfo = (CAResponseInfo_t*) OICCalloc(1, sizeof(CAResponseInfo_t));
 101
 102     if (NULL == resInfo)
 103     {
 104         OIC_LOG(ERROR, TAG, "calloc failed");
 105         CADestroyRemoteEndpointInternal(ep);
 106         return;
 107     }
 108
 109     resInfo->result = CA_RETRANSMIT_TIMEOUT;
 110     resInfo->info.type = CAGetMessageTypeFromPduBinaryData(pdu, size);
 111     resInfo->info.messageId = CAGetMessageIdFromPduBinaryData(pdu, size);
 112     CAResult_t res = CAGetTokenFromPDU((const coap_hdr_t *) pdu, &(resInfo->info));
 113     if (CA_STATUS_OK != res)
 114     {
 115         OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
 116         OICFree(resInfo->info.token);
 117         OICFree(resInfo);
 118         CADestroyRemoteEndpointInternal(ep);
 119         return;
 120     }
 121
 122     CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 123     if (NULL == cadata)
 124     {
 125         OIC_LOG(ERROR, TAG, "memory allocation failed !");
 126         CADestroyRemoteEndpointInternal(ep);
 127         OICFree(resInfo);
 128         return;
 129     }
 130
 131     cadata->type = SEND_TYPE_UNICAST;
 132     cadata->remoteEndpoint = ep;
 133     cadata->requestInfo = NULL;
 134     cadata->responseInfo = resInfo;
 135
 136     CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
 137     OIC_LOG(DEBUG, TAG, "OUT");
 138 }
 139
 140 static void CADataDestroyer(void *data, uint32_t size)
 141 {
 142     OIC_LOG(DEBUG, TAG, "IN");
 143     CAData_t *cadata = (CAData_t *) data;
 144
 145     if (NULL == cadata)
 146     {
 147         OIC_LOG(ERROR, TAG, "cadata is NULL");
 148         return;
 149     }
 150
 151     if (NULL != cadata->remoteEndpoint)
 152     {
 153         CADestroyRemoteEndpointInternal((CARemoteEndpoint_t *) cadata->remoteEndpoint);
 154     }
 155
 156     if (NULL != cadata->requestInfo)
 157     {
 158         CADestroyRequestInfoInternal((CARequestInfo_t *) cadata->requestInfo);
 159     }
 160
 161     if (NULL != cadata->responseInfo)
 162     {
 163         CADestroyResponseInfoInternal((CAResponseInfo_t *) cadata->responseInfo);
 164     }
 165
 166     OICFree(cadata->options);
 167     OICFree(cadata);
 168     OIC_LOG(DEBUG, TAG, "OUT");
 169 }
 170
 171 static void CAReceiveThreadProcess(void *threadData)
 172 {
 173     OIC_LOG(DEBUG, TAG, "IN");
 174     // Currently not supported
 175     // This will be enabled when RI supports multi threading
 176 #ifndef SINGLE_HANDLE
 177     CAData_t *data = (CAData_t *) threadData;
 178
 179     if (NULL == data)
 180     {
 181         OIC_LOG(ERROR, TAG, "thread data error!!");
 182         return;
 183     }
 184
 185     // parse the data and call the callbacks.
 186     // #1 parse the data
 187     // #2 get endpoint
 188     CARemoteEndpoint_t *rep = (CARemoteEndpoint_t *)(data->remoteEndpoint);
 189
 190     if (NULL == rep)
 191     {
 192         OIC_LOG(ERROR, TAG, "remoteEndpoint error!!");
 193         return;
 194     }
 195
 196     if (NULL != data->requestInfo)
 197     {
 198         if (g_requestHandler)
 199         {
 200             g_requestHandler(rep, data->requestInfo);
 201         }
 202     }
 203
 204     if (NULL != data->responseInfo)
 205     {
 206         if (g_responseHandler)
 207         {
 208             g_responseHandler(rep, data->responseInfo);
 209         }
 210     }
 211 #endif
 212     OIC_LOG(DEBUG, TAG, "OUT");
 213 }
 214
 215 static void CASendThreadProcess(void *threadData)
 216 {
 217     OIC_LOG(DEBUG, TAG, "IN");
 218     CAData_t *data = (CAData_t *) threadData;
 219
 220     VERIFY_NON_NULL_VOID(data, TAG, "data");
 221     VERIFY_NON_NULL_VOID(data->remoteEndpoint, TAG, "remoteEndpoint");
 222
 223     CAResult_t res = CA_STATUS_FAILED;
 224
 225     CASendDataType_t type = data->type;
 226
 227     if (SEND_TYPE_UNICAST == type)
 228     {
 229         coap_pdu_t *pdu = NULL;
 230
 231         if (NULL != data->requestInfo)
 232         {
 233             OIC_LOG(DEBUG, TAG, "requestInfo is available..");
 234
 235             pdu = (coap_pdu_t *) CAGeneratePDU(data->remoteEndpoint->resourceUri,
 236                                                data->requestInfo->method,
 237                                                data->requestInfo->info);
 238         }
 239         else if (NULL != data->responseInfo)
 240         {
 241             OIC_LOG(DEBUG, TAG, "responseInfo is available..");
 242
 243             pdu = (coap_pdu_t *) CAGeneratePDU(data->remoteEndpoint->resourceUri,
 244                                                data->responseInfo->result,
 245                                                data->responseInfo->info);
 246         }
 247         else
 248         {
 249             OIC_LOG(DEBUG, TAG, "request info, response info is empty");
 250         }
 251
 252         // interface controller function call.
 253         if (NULL != pdu)
 254         {
 255             CALogPDUInfo(pdu);
 256
 257             res = CASendUnicastData(data->remoteEndpoint, pdu->hdr, pdu->length);
 258             if (CA_STATUS_OK != res)
 259             {
 260                 OIC_LOG_V(ERROR, TAG, "send failed:%d", res);
 261                 coap_delete_pdu(pdu);
 262                 return;
 263             }
 264             // for retransmission
 265             res = CARetransmissionSentData(&g_retransmissionContext, data->remoteEndpoint, pdu->hdr,
 266                                            pdu->length);
 267             if (CA_STATUS_OK != res)
 268             {
 269                 OIC_LOG_V(INFO, TAG, "retransmission will be not working: %d", res);
 270                 coap_delete_pdu(pdu);
 271                 return;
 272             }
 273
 274             coap_delete_pdu(pdu);
 275         }
 276     }
 277     else if (SEND_TYPE_MULTICAST == type)
 278     {
 279         OIC_LOG(DEBUG, TAG, "both requestInfo & responseInfo is not available");
 280
 281         CAInfo_t info = { };
 282
 283         info.options = data->options;
 284         info.numOptions = data->numOptions;
 285         info.token = data->requestInfo->info.token;
 286         info.tokenLength = data->requestInfo->info.tokenLength;
 287         info.type = data->requestInfo->info.type;
 288         info.messageId = data->requestInfo->info.messageId;
 289         info.payload = data->requestInfo->info.payload;
 290
 291         coap_pdu_t *pdu = (coap_pdu_t *) CAGeneratePDU(data->remoteEndpoint->resourceUri, CA_GET,
 292                                                        info);
 293
 294         if (NULL != pdu)
 295         {
 296             CALogPDUInfo(pdu);
 297
 298             res = CASendMulticastData(pdu->hdr, pdu->length);
 299             if(CA_STATUS_OK != res)
 300             {
 301                 OIC_LOG_V(ERROR, TAG, "send failed:%d", res);
 302                 coap_delete_pdu(pdu);
 303                 return;
 304             }
 305
 306             coap_delete_pdu(pdu);
 307         }
 308     }
 309
 310     OIC_LOG(DEBUG, TAG, "OUT");
 311 }
 312
 313 static void CAReceivedPacketCallback(CARemoteEndpoint_t *endpoint, void *data, uint32_t dataLen)
 314 {
 315     OIC_LOG(DEBUG, TAG, "IN");
 316     VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint");
 317     VERIFY_NON_NULL_VOID(data, TAG, "data");
 318
 319     uint32_t code = CA_NOT_FOUND;
 320     coap_pdu_t *pdu = (coap_pdu_t *) CAParsePDU((const char *) data, dataLen, &code);
 321     OICFree(data);
 322
 323     if (NULL == pdu)
 324     {
 325         OIC_LOG(ERROR, TAG, "Parse PDU failed");
 326         CAAdapterFreeRemoteEndpoint(endpoint);
 327         return;
 328     }
 329
 330     char uri[CA_MAX_URI_LENGTH] = { 0, };
 331     uint32_t bufLen = sizeof(uri);
 332
 333     if (CA_GET == code || CA_POST == code || CA_PUT == code || CA_DELETE == code)
 334     {
 335         CARequestInfo_t *ReqInfo = (CARequestInfo_t *) OICCalloc(1, sizeof(CARequestInfo_t));
 336         if (NULL == ReqInfo)
 337         {
 338             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, Memory allocation failed!");
 339             coap_delete_pdu(pdu);
 340             CAAdapterFreeRemoteEndpoint(endpoint);
 341             return;
 342         }
 343
 344         CAResult_t res = CAGetRequestInfoFromPDU(pdu, ReqInfo, uri, bufLen);
 345         if (CA_STATUS_OK != res)
 346         {
 347             OIC_LOG_V(ERROR, TAG, "CAGetRequestInfoFromPDU failed : %d", res);
 348             OICFree(ReqInfo);
 349             coap_delete_pdu(pdu);
 350             CAAdapterFreeRemoteEndpoint(endpoint);
 351             return;
 352         }
 353
 354         if (NULL != ReqInfo->info.options)
 355         {
 356             uint32_t i;
 357             for (i = 0; i < ReqInfo->info.numOptions; i++)
 358             {
 359                 OIC_LOG_V(DEBUG, TAG, "Request- optionID: %d", ReqInfo->info.options[i].optionID);
 360
 361                 OIC_LOG_V(DEBUG, TAG, "Request- list: %s", ReqInfo->info.options[i].optionData);
 362             }
 363         }
 364
 365         if (NULL != ReqInfo->info.payload)
 366         {
 367             OIC_LOG_V(DEBUG, TAG, "Request- payload: %s", ReqInfo->info.payload);
 368         }
 369         OIC_LOG_V(DEBUG, TAG, "Request- code: %d", ReqInfo->method);
 370         if (NULL != ReqInfo->info.token)
 371         {
 372             OIC_LOG(DEBUG, TAG, "Request- token:");
 373             OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *) ReqInfo->info.token,
 374                            ReqInfo->info.tokenLength);
 375         }
 376
 377         OIC_LOG_V(DEBUG, TAG, "Request- code: %d", ReqInfo->method);
 378         OIC_LOG(DEBUG, TAG, "Request- token");
 379         OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *) ReqInfo->info.token, CA_MAX_TOKEN_LEN);
 380         OIC_LOG_V(DEBUG, TAG, "Request- msgID : %d", ReqInfo->info.messageId);
 381         if (NULL != endpoint)
 382         {
 383             endpoint->resourceUri = (char *) OICMalloc(bufLen + 1);
 384             if (NULL == endpoint->resourceUri)
 385             {
 386                 OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, Memory allocation failed!");
 387                 OICFree(ReqInfo);
 388                 coap_delete_pdu(pdu);
 389                 CAAdapterFreeRemoteEndpoint(endpoint);
 390                 return;
 391             }
 392             memcpy(endpoint->resourceUri, uri, bufLen);
 393             endpoint->resourceUri[bufLen] = '\0';
 394             OIC_LOG_V(DEBUG, TAG, "URI : %s", endpoint->resourceUri);
 395         }
 396         // store the data at queue.
 397         CAData_t *cadata = NULL;
 398         cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 399         if (NULL == cadata)
 400         {
 401             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, Memory allocation failed !");
 402             if (NULL != endpoint && NULL != endpoint->resourceUri)
 403             {
 404                 OICFree(endpoint->resourceUri);
 405             }
 406
 407             OICFree(ReqInfo);
 408             coap_delete_pdu(pdu);
 409             CAAdapterFreeRemoteEndpoint(endpoint);
 410             return;
 411         }
 412
 413         cadata->type = SEND_TYPE_UNICAST;
 414         cadata->remoteEndpoint = endpoint;
 415         cadata->requestInfo = ReqInfo;
 416         cadata->responseInfo = NULL;
 417         CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
 418     }
 419     else
 420     {
 421         CAResponseInfo_t *ResInfo = (CAResponseInfo_t *) OICCalloc(1, sizeof(CAResponseInfo_t));
 422         if (NULL == ResInfo)
 423         {
 424             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, Memory allocation failed!");
 425             coap_delete_pdu(pdu);
 426             CAAdapterFreeRemoteEndpoint(endpoint);
 427             return;
 428         }
 429
 430         CAResult_t res = CAGetResponseInfoFromPDU(pdu, ResInfo, uri, bufLen);
 431         if (CA_STATUS_OK != res)
 432         {
 433             OIC_LOG_V(ERROR, TAG, "CAGetResponseInfoFromPDU failed : %d", res);
 434             OICFree(ResInfo);
 435             coap_delete_pdu(pdu);
 436             CAAdapterFreeRemoteEndpoint(endpoint);
 437             return;
 438         }
 439
 440         if (NULL != ResInfo->info.options)
 441         {
 442             uint32_t i;
 443             for (i = 0; i < ResInfo->info.numOptions; i++)
 444             {
 445                 OIC_LOG_V(DEBUG, TAG, "Response- optionID: %d", ResInfo->info.options[i].optionID);
 446
 447                 OIC_LOG_V(DEBUG, TAG, "Response- list: %s", ResInfo->info.options[i].optionData);
 448             }
 449         }
 450
 451         if (NULL != ResInfo->info.payload)
 452         {
 453             OIC_LOG_V(DEBUG, TAG, "Response- payload: %s", ResInfo->info.payload);
 454         }
 455         OIC_LOG_V(DEBUG, TAG, "Response- code: %d", ResInfo->result);
 456         OIC_LOG_V(DEBUG, TAG, "Response- token : %s", ResInfo->info.token);
 457         OIC_LOG_V(DEBUG, TAG, "Response- msgID: %d", ResInfo->info.messageId);
 458
 459         if (NULL != endpoint)
 460         {
 461             endpoint->resourceUri = (char *) OICMalloc(bufLen + 1);
 462             if (NULL == endpoint->resourceUri)
 463             {
 464                 OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, Memory allocation failed !");
 465                 OICFree(ResInfo);
 466                 coap_delete_pdu(pdu);
 467                 CAAdapterFreeRemoteEndpoint(endpoint);
 468                 return;
 469             }
 470             memcpy(endpoint->resourceUri, uri, bufLen);
 471             endpoint->resourceUri[bufLen] = '\0';
 472             OIC_LOG_V(DEBUG, TAG, "URI : %s", endpoint->resourceUri);
 473         }
 474
 475         // store the data at queue.
 476         CAData_t *cadata = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 477         if (NULL == cadata)
 478         {
 479             OIC_LOG(ERROR, TAG, "CAReceivedPacketCallback, Memory allocation failed !");
 480             if (NULL != endpoint && NULL != endpoint->resourceUri)
 481             {
 482                 OICFree(endpoint->resourceUri);
 483             }
 484             OICFree(ResInfo);
 485             coap_delete_pdu(pdu);
 486             CAAdapterFreeRemoteEndpoint(endpoint);
 487             return;
 488         }
 489
 490         cadata->type = SEND_TYPE_UNICAST;
 491         cadata->remoteEndpoint = endpoint;
 492         cadata->requestInfo = NULL;
 493
 494         // for retransmission
 495         void *retransmissionPdu = NULL;
 496         CARetransmissionReceivedData(&g_retransmissionContext, endpoint, pdu->hdr, pdu->length,
 497                                      &retransmissionPdu);
 498
 499         // get token from saved data in retransmission list
 500         if (retransmissionPdu && CA_EMPTY == code)
 501         {
 502             CAResult_t res = CAGetTokenFromPDU((const coap_hdr_t *)retransmissionPdu,
 503                                                &(ResInfo->info));
 504             if (CA_STATUS_OK != res)
 505             {
 506                 OIC_LOG(ERROR, TAG, "fail to get Token from retransmission list");
 507                 OICFree(ResInfo->info.token);
 508             }
 509         }
 510         OICFree(retransmissionPdu);
 511         cadata->responseInfo = ResInfo;
 512
 513         CAQueueingThreadAddData(&g_receiveThread, cadata, sizeof(CAData_t));
 514     }
 515
 516     if (pdu)
 517     {
 518         coap_delete_pdu(pdu);
 519     }
 520     OIC_LOG(DEBUG, TAG, "OUT");
 521 }
 522
 523 static void CANetworkChangedCallback(CALocalConnectivity_t *info, CANetworkStatus_t status)
 524 {
 525     OIC_LOG(DEBUG, TAG, "IN");
 526
 527     OIC_LOG(DEBUG, TAG, "OUT");
 528 }
 529
 530 void CAHandleRequestResponseCallbacks()
 531 {
 532     OIC_LOG(DEBUG, TAG, "CAHandleRequestResponseCallbacks IN");
 533
 534 #ifdef SINGLE_HANDLE
 535     // parse the data and call the callbacks.
 536     // #1 parse the data
 537     // #2 get endpoint
 538
 539     ca_mutex_lock(g_receiveThread.threadMutex);
 540
 541     u_queue_message_t *item = u_queue_get_element(g_receiveThread.dataQueue);
 542
 543     ca_mutex_unlock(g_receiveThread.threadMutex);
 544
 545     if (NULL == item)
 546     {
 547         return;
 548     }
 549
 550     // get values
 551     void *msg = item->msg;
 552
 553     if (NULL == msg)
 554     {
 555         return;
 556     }
 557
 558     // get endpoint
 559     CAData_t *td = (CAData_t *) msg;
 560     CARemoteEndpoint_t *rep = td->remoteEndpoint;
 561
 562     if (NULL == rep)
 563     {
 564         return;
 565     }
 566
 567     if (NULL != td->requestInfo)
 568     {
 569         if (g_requestHandler)
 570         {
 571             OIC_LOG_V(DEBUG, TAG, "callback will be sent : %d", td->requestInfo->info.numOptions);
 572             g_requestHandler(rep, td->requestInfo);
 573         }
 574     }
 575
 576     if (NULL != td->responseInfo)
 577     {
 578         if (g_responseHandler)
 579         {
 580             g_responseHandler(rep, td->responseInfo);
 581         }
 582
 583     }
 584     CADataDestroyer(msg, sizeof(CAData_t));
 585
 586 #endif
 587     OIC_LOG(DEBUG, TAG, "CAHandleRequestResponseCallbacks OUT");
 588 }
 589
 590 CAResult_t CADetachRequestMessage(const CARemoteEndpoint_t *object, const CARequestInfo_t *request)
 591 {
 592     OIC_LOG(DEBUG, TAG, "IN");
 593
 594     VERIFY_NON_NULL(object, TAG, "object");
 595     VERIFY_NON_NULL(request, TAG, "request");
 596
 597     if (false == CAIsSelectedNetworkAvailable())
 598     {
 599         return CA_STATUS_FAILED;
 600     }
 601
 602     CARemoteEndpoint_t *remoteEndpoint = NULL;
 603     CARequestInfo_t *requestInfo = NULL;
 604     CAData_t *data = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 605     CA_MEMORY_ALLOC_CHECK(data);
 606
 607     // clone remote endpoint
 608     remoteEndpoint = CACloneRemoteEndpoint(object);
 609     CA_MEMORY_ALLOC_CHECK(remoteEndpoint);
 610
 611     // clone request info
 612     requestInfo = CACloneRequestInfo(request);
 613     CA_MEMORY_ALLOC_CHECK(requestInfo);
 614
 615     // save data
 616     data->type = SEND_TYPE_UNICAST;
 617     data->remoteEndpoint = remoteEndpoint;
 618     data->requestInfo = requestInfo;
 619     data->responseInfo = NULL;
 620
 621     // add thread
 622     CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
 623     OIC_LOG(DEBUG, TAG, "OUT");
 624     return CA_STATUS_OK;
 625
 626 // memory error label.
 627 memory_error_exit:
 628     CADestroyRemoteEndpointInternal(remoteEndpoint);
 629     CADestroyRequestInfoInternal(requestInfo);
 630
 631     OICFree(data);
 632     OIC_LOG(DEBUG, TAG, "OUT");
 633     return CA_MEMORY_ALLOC_FAILED;
 634 }
 635
 636 CAResult_t CADetachRequestToAllMessage(const CAGroupEndpoint_t *object,
 637                                        const CARequestInfo_t *request)
 638 {
 639     OIC_LOG(DEBUG, TAG, "IN");
 640
 641     if (NULL == object || NULL == request || NULL == object->resourceUri)
 642     {
 643         return CA_STATUS_INVALID_PARAM;
 644     }
 645
 646     if ((request->method < CA_GET) || (request->method > CA_DELETE))
 647     {
 648         OIC_LOG(ERROR, TAG, "Invalid method type!");
 649
 650         return CA_STATUS_INVALID_PARAM;
 651     }
 652
 653     if (false == CAIsSelectedNetworkAvailable())
 654     {
 655         return CA_STATUS_FAILED;
 656     }
 657
 658     CARemoteEndpoint_t *remoteEndpoint = NULL;
 659     CARequestInfo_t *requestInfo = NULL;
 660
 661     // allocate & initialize
 662     CAData_t *data = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 663     CA_MEMORY_ALLOC_CHECK(data);
 664
 665     CAAddress_t addr = {};
 666     remoteEndpoint = CACreateRemoteEndpointInternal(object->resourceUri, addr,
 667                                                     object->connectivityType);
 668
 669     // clone request info
 670     requestInfo = CACloneRequestInfo(request);
 671     CA_MEMORY_ALLOC_CHECK(requestInfo);
 672
 673     // save data
 674     data->type = SEND_TYPE_MULTICAST;
 675     data->remoteEndpoint = remoteEndpoint;
 676     data->requestInfo = requestInfo;
 677     data->responseInfo = NULL;
 678
 679     // add thread
 680     CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
 681
 682     OIC_LOG(DEBUG, TAG, "OUT");
 683     return CA_STATUS_OK;
 684
 685 // memory error label.
 686 memory_error_exit:
 687
 688     CADestroyRequestInfoInternal(requestInfo);
 689     CADestroyRemoteEndpointInternal(remoteEndpoint);
 690     OICFree(data);
 691     OIC_LOG(DEBUG, TAG, "OUT");
 692     return CA_MEMORY_ALLOC_FAILED;
 693 }
 694
 695 CAResult_t CADetachResponseMessage(const CARemoteEndpoint_t *object,
 696                                    const CAResponseInfo_t *response)
 697 {
 698     OIC_LOG(DEBUG, TAG, "IN");
 699     VERIFY_NON_NULL(object, TAG, "object");
 700     VERIFY_NON_NULL(response, TAG, "response");
 701
 702     if (false == CAIsSelectedNetworkAvailable())
 703     {
 704         return CA_STATUS_FAILED;
 705     }
 706
 707     CARemoteEndpoint_t *remoteEndpoint = NULL;
 708     CAResponseInfo_t *responseInfo = NULL;
 709
 710     // allocate & initialize
 711     CAData_t *data = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 712     CA_MEMORY_ALLOC_CHECK(data);
 713
 714     // clone remote endpoint
 715     remoteEndpoint = CACloneRemoteEndpoint(object);
 716     CA_MEMORY_ALLOC_CHECK(remoteEndpoint);
 717
 718     // clone response info
 719     responseInfo = CACloneResponseInfo(response);
 720     CA_MEMORY_ALLOC_CHECK(responseInfo);
 721
 722     // save data
 723     data->type = SEND_TYPE_UNICAST;
 724     data->remoteEndpoint = remoteEndpoint;
 725     data->requestInfo = NULL;
 726     data->responseInfo = responseInfo;
 727
 728     // add thread
 729     CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
 730
 731     OIC_LOG(DEBUG, TAG, "OUT");
 732     return CA_STATUS_OK;
 733
 734 // memory error label.
 735 memory_error_exit:
 736     CADestroyRemoteEndpointInternal(remoteEndpoint);
 737     CADestroyResponseInfoInternal(responseInfo);
 738     OICFree(data);
 739     OIC_LOG(DEBUG, TAG, "OUT");
 740
 741     return CA_MEMORY_ALLOC_FAILED;
 742 }
 743
 744 CAResult_t CADetachMessageResourceUri(const CAURI_t resourceUri, const CAToken_t token,
 745                                       uint8_t tokenLength, const CAHeaderOption_t *options,
 746                                       uint8_t numOptions)
 747 {
 748     OIC_LOG(DEBUG, TAG, "IN");
 749     VERIFY_NON_NULL(resourceUri, TAG, "resourceUri is NULL");
 750     VERIFY_NON_NULL(token, TAG, "Token is NULL");
 751
 752     if (false == CAIsSelectedNetworkAvailable())
 753     {
 754         return CA_STATUS_FAILED;
 755     }
 756
 757     CARemoteEndpoint_t *remoteEndpoint = NULL;
 758     CARequestInfo_t *reqInfo = NULL;
 759     char *tempToken = NULL;
 760
 761     // allocate & initialize
 762     CAData_t *data = (CAData_t *) OICCalloc(1, sizeof(CAData_t));
 763     CA_MEMORY_ALLOC_CHECK(data);
 764
 765     CAAddress_t addr = {};
 766     remoteEndpoint = CACreateRemoteEndpointInternal(resourceUri, addr,
 767                                                     CA_ETHERNET | CA_WIFI | CA_EDR | CA_LE);
 768
 769     // create request info
 770     reqInfo = (CARequestInfo_t *) OICCalloc(1, sizeof(CARequestInfo_t));
 771     CA_MEMORY_ALLOC_CHECK(reqInfo);
 772
 773     if (tokenLength)
 774     {
 775         // copy token value
 776         tempToken = (char *) OICMalloc(tokenLength);
 777         CA_MEMORY_ALLOC_CHECK(tempToken);
 778         memcpy(tempToken, token, tokenLength);
 779     }
 780
 781     // save request info data
 782     reqInfo->method = CA_GET;
 783     reqInfo->info.type = CA_MSG_NONCONFIRM;
 784
 785     reqInfo->info.token = tempToken;
 786     reqInfo->info.tokenLength = tokenLength;
 787
 788     // save data
 789     data->type = SEND_TYPE_MULTICAST;
 790     data->remoteEndpoint = remoteEndpoint;
 791     data->requestInfo = reqInfo;
 792
 793     data->responseInfo = NULL;
 794     data->options = NULL;
 795     data->numOptions = 0;
 796     if (NULL != options && 0 < numOptions)
 797     {
 798         // copy data
 799         CAHeaderOption_t *headerOption = (CAHeaderOption_t *) OICMalloc(sizeof(CAHeaderOption_t)
 800                                                                         * numOptions);
 801         CA_MEMORY_ALLOC_CHECK(headerOption);
 802
 803         memcpy(headerOption, options, sizeof(CAHeaderOption_t) * numOptions);
 804
 805         data->options = headerOption;
 806         data->numOptions = numOptions;
 807     }
 808
 809     // add thread
 810     CAQueueingThreadAddData(&g_sendThread, data, sizeof(CAData_t));
 811
 812     OIC_LOG(DEBUG, TAG, "OUT");
 813     return CA_STATUS_OK;
 814
 815 // memory error label.
 816 memory_error_exit:
 817
 818     CADestroyRemoteEndpointInternal(remoteEndpoint);
 819
 820     OICFree(tempToken);
 821     OICFree(reqInfo);
 822     OICFree(data);
 823     OIC_LOG(DEBUG, TAG, "OUT");
 824     return CA_MEMORY_ALLOC_FAILED;
 825 }
 826
 827 void CASetRequestResponseCallbacks(CARequestCallback ReqHandler, CAResponseCallback RespHandler)
 828 {
 829     OIC_LOG(DEBUG, TAG, "IN");
 830     g_requestHandler = ReqHandler;
 831     g_responseHandler = RespHandler;
 832     OIC_LOG(DEBUG, TAG, "OUT");
 833 }
 834
 835 CAResult_t CAInitializeMessageHandler()
 836 {
 837     OIC_LOG(DEBUG, TAG, "IN");
 838     CASetPacketReceivedCallback(CAReceivedPacketCallback);
 839
 840     CASetNetworkChangeCallback(CANetworkChangedCallback);
 841
 842     // create thread pool
 843     CAResult_t res = ca_thread_pool_init(MAX_THREAD_POOL_SIZE, &g_threadPoolHandle);
 844
 845     if (res != CA_STATUS_OK)
 846     {
 847         OIC_LOG(ERROR, TAG, "thread pool initialize error.");
 848         return res;
 849     }
 850
 851     // send thread initialize
 852     if (CA_STATUS_OK != CAQueueingThreadInitialize(&g_sendThread, g_threadPoolHandle,
 853                                                    CASendThreadProcess, CADataDestroyer))
 854     {
 855         OIC_LOG(ERROR, TAG, "Failed to Initialize send queue thread");
 856         return CA_STATUS_FAILED;
 857     }
 858
 859     // start send thread
 860     res = CAQueueingThreadStart(&g_sendThread);
 861
 862     if (res != CA_STATUS_OK)
 863     {
 864         OIC_LOG(ERROR, TAG, "thread start error(send thread).");
 865         ca_thread_pool_free(g_threadPoolHandle);
 866         g_threadPoolHandle = NULL;
 867         return res;
 868     }
 869
 870     // receive thread initialize
 871     if (CA_STATUS_OK != CAQueueingThreadInitialize(&g_receiveThread, g_threadPoolHandle,
 872                                                    CAReceiveThreadProcess, CADataDestroyer))
 873     {
 874         OIC_LOG(ERROR, TAG, "Failed to Initialize receive queue thread");
 875         return CA_STATUS_FAILED;
 876     }
 877
 878 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
 879     // start receive thread
 880     res = CAQueueingThreadStart(&gReceiveThread);
 881
 882     if (res != CA_STATUS_OK)
 883     {
 884         OIC_LOG(ERROR, TAG, "thread start error(receive thread).");
 885         return res;
 886     }
 887 #endif
 888
 889     // retransmission initialize
 890     CARetransmissionInitialize(&g_retransmissionContext, g_threadPoolHandle, CASendUnicastData,
 891                                CATimeoutCallback, NULL);
 892
 893     // start retransmission
 894     res = CARetransmissionStart(&g_retransmissionContext);
 895
 896     if (res != CA_STATUS_OK)
 897     {
 898         OIC_LOG(ERROR, TAG, "thread start error(retransmission thread).");
 899         return res;
 900     }
 901
 902     // initialize interface adapters by controller
 903     CAInitializeAdapters(g_threadPoolHandle);
 904     OIC_LOG(DEBUG, TAG, "OUT");
 905     return CA_STATUS_OK;
 906 }
 907
 908 void CATerminateMessageHandler()
 909 {
 910     OIC_LOG(DEBUG, TAG, "IN");
 911     CAConnectivityType_t connType;
 912     u_arraylist_t *list = CAGetSelectedNetworkList();
 913     uint32_t length = u_arraylist_length(list);
 914
 915     uint32_t i = 0;
 916     for (i = 0; i < length; i++)
 917     {
 918         void* ptrType = u_arraylist_get(list, i);
 919
 920         if (NULL == ptrType)
 921         {
 922             continue;
 923         }
 924
 925         connType = *(CAConnectivityType_t *) ptrType;
 926         CAStopAdapter(connType);
 927     }
 928
 929     // stop retransmission
 930     if (NULL != g_retransmissionContext.threadMutex)
 931     {
 932         CARetransmissionStop(&g_retransmissionContext);
 933     }
 934
 935     // stop thread
 936     // delete thread data
 937     if (NULL != g_sendThread.threadMutex)
 938     {
 939         CAQueueingThreadStop(&g_sendThread);
 940     }
 941
 942     // stop thread
 943     // delete thread data
 944     if (NULL != g_receiveThread.threadMutex)
 945     {
 946 #ifndef SINGLE_HANDLE // This will be enabled when RI supports multi threading
 947         CAQueueingThreadStop(&gReceiveThread);
 948 #endif
 949     }
 950
 951     // destroy thread pool
 952     if (NULL != g_threadPoolHandle)
 953     {
 954         ca_thread_pool_free(g_threadPoolHandle);
 955         g_threadPoolHandle = NULL;
 956     }
 957
 958     CARetransmissionDestroy(&g_retransmissionContext);
 959     CAQueueingThreadDestroy(&g_sendThread);
 960     CAQueueingThreadDestroy(&g_receiveThread);
 961
 962     // terminate interface adapters by controller
 963     CATerminateAdapters();
 964
 965     OIC_LOG(DEBUG, TAG, "OUT");
 966 }
 967
 968 void CALogPDUInfo(coap_pdu_t *pdu)
 969 {
 970     VERIFY_NON_NULL_VOID(pdu, TAG, "pdu");
 971
 972     OIC_LOG_V(DEBUG, TAG, "PDU Maker - payload : %s", pdu->data);
 973
 974     OIC_LOG_V(DEBUG, TAG, "PDU Maker - type : %d", pdu->hdr->type);
 975
 976     OIC_LOG_V(DEBUG, TAG, "PDU Maker - code : %d", pdu->hdr->code);
 977
 978     OIC_LOG_V(DEBUG, TAG, "PDU Maker - id : %d", ntohs(pdu->hdr->id));
 979
 980     OIC_LOG(DEBUG, TAG, "PDU Maker - token :");
 981
 982     OIC_LOG_BUFFER(DEBUG, TAG, pdu->hdr->token, pdu->hdr->token_length);
 983 }