resource/src/InProcClientWrapper.cpp

   1 //******************************************************************
   2 //
   3 // Copyright 2014 Intel Mobile Communications GmbH 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 "InProcClientWrapper.h"
  22 #include "ocstack.h"
  23
  24 #include "OCPlatform.h"
  25 #include "OCResource.h"
  26 #include "ocpayload.h"
  27 #include <OCSerialization.h>
  28 using namespace std;
  29
  30 namespace OC
  31 {
  32     InProcClientWrapper::InProcClientWrapper(
  33         std::weak_ptr<std::recursive_mutex> csdkLock, PlatformConfig cfg)
  34             : m_threadRun(false), m_csdkLock(csdkLock),
  35               m_cfg { cfg }
  36     {
  37         // if the config type is server, we ought to never get called.  If the config type
  38         // is both, we count on the server to run the thread and do the initialize
  39
  40         if (m_cfg.mode == ModeType::Client)
  41         {
  42             OCTransportFlags serverFlags =
  43                             static_cast<OCTransportFlags>(m_cfg.serverConnectivity & CT_MASK_FLAGS);
  44             OCTransportFlags clientFlags =
  45                             static_cast<OCTransportFlags>(m_cfg.clientConnectivity & CT_MASK_FLAGS);
  46             OCStackResult result = OCInit1(OC_CLIENT, serverFlags, clientFlags);
  47
  48             if (OC_STACK_OK != result)
  49             {
  50                 throw InitializeException(OC::InitException::STACK_INIT_ERROR, result);
  51             }
  52
  53             m_threadRun = true;
  54             m_listeningThread = std::thread(&InProcClientWrapper::listeningFunc, this);
  55         }
  56     }
  57
  58     InProcClientWrapper::~InProcClientWrapper()
  59     {
  60         if (m_threadRun && m_listeningThread.joinable())
  61         {
  62             m_threadRun = false;
  63             m_listeningThread.join();
  64         }
  65
  66         // only stop if we are the ones who actually called 'init'.  We are counting
  67         // on the server to do the stop.
  68         if (m_cfg.mode == ModeType::Client)
  69         {
  70             OCStop();
  71         }
  72     }
  73
  74     void InProcClientWrapper::listeningFunc()
  75     {
  76         while(m_threadRun)
  77         {
  78             OCStackResult result;
  79             auto cLock = m_csdkLock.lock();
  80             if (cLock)
  81             {
  82                 std::lock_guard<std::recursive_mutex> lock(*cLock);
  83                 result = OCProcess();
  84             }
  85             else
  86             {
  87                 result = OC_STACK_ERROR;
  88             }
  89
  90             if (result != OC_STACK_OK)
  91             {
  92                 // TODO: do something with result if failed?
  93             }
  94
  95             // To minimize CPU utilization we may wish to do this with sleep
  96             std::this_thread::sleep_for(std::chrono::milliseconds(10));
  97         }
  98     }
  99
 100     OCRepresentation parseGetSetCallback(OCClientResponse* clientResponse)
 101     {
 102         if (clientResponse->payload == nullptr ||
 103                 (
 104                     clientResponse->payload->type != PAYLOAD_TYPE_DEVICE &&
 105                     clientResponse->payload->type != PAYLOAD_TYPE_PLATFORM &&
 106                     clientResponse->payload->type != PAYLOAD_TYPE_REPRESENTATION
 107                 )
 108           )
 109         {
 110             //OCPayloadDestroy(clientResponse->payload);
 111             return OCRepresentation();
 112         }
 113
 114         MessageContainer oc;
 115         oc.setPayload(clientResponse->payload);
 116         //OCPayloadDestroy(clientResponse->payload);
 117
 118         std::vector<OCRepresentation>::const_iterator it = oc.representations().begin();
 119         if (it == oc.representations().end())
 120         {
 121             return OCRepresentation();
 122         }
 123
 124         // first one is considered the root, everything else is considered a child of this one.
 125         OCRepresentation root = *it;
 126         root.setDevAddr(clientResponse->devAddr);
 127         root.setUri(clientResponse->resourceUri);
 128         ++it;
 129
 130         std::for_each(it, oc.representations().end(),
 131                 [&root](const OCRepresentation& repItr)
 132                 {root.addChild(repItr);});
 133         return root;
 134
 135     }
 136
 137     OCStackApplicationResult listenCallback(void* ctx, OCDoHandle /*handle*/,
 138         OCClientResponse* clientResponse)
 139     {
 140         ClientCallbackContext::ListenContext* context =
 141             static_cast<ClientCallbackContext::ListenContext*>(ctx);
 142
 143         if (clientResponse->result != OC_STACK_OK)
 144         {
 145             oclog() << "listenCallback(): failed to create resource. clientResponse: "
 146                     << clientResponse->result
 147                     << std::flush;
 148
 149             return OC_STACK_KEEP_TRANSACTION;
 150         }
 151
 152         if (!clientResponse->payload || clientResponse->payload->type != PAYLOAD_TYPE_DISCOVERY)
 153         {
 154             oclog() << "listenCallback(): clientResponse payload was null or the wrong type"
 155                 << std::flush;
 156             return OC_STACK_KEEP_TRANSACTION;
 157         }
 158
 159         auto clientWrapper = context->clientWrapper.lock();
 160
 161         if (!clientWrapper)
 162         {
 163             oclog() << "listenCallback(): failed to get a shared_ptr to the client wrapper"
 164                     << std::flush;
 165             return OC_STACK_KEEP_TRANSACTION;
 166         }
 167
 168         try
 169         {
 170             ListenOCContainer container(clientWrapper, clientResponse->devAddr,
 171                                     reinterpret_cast<OCDiscoveryPayload*>(clientResponse->payload));
 172             // loop to ensure valid construction of all resources
 173
 174             for(auto resource : container.Resources())
 175             {
 176                 std::thread exec(context->callback, resource);
 177                 exec.detach();
 178             }
 179         }
 180         catch (std::exception &e)
 181         {
 182             oclog() << "Exception in listCallback, ignoring response: "
 183                     << e.what() << std::flush;
 184         }
 185
 186
 187         return OC_STACK_KEEP_TRANSACTION;
 188     }
 189
 190     OCStackApplicationResult listenErrorCallback(void* ctx, OCDoHandle /*handle*/,
 191         OCClientResponse* clientResponse)
 192     {
 193         if (!ctx || !clientResponse)
 194         {
 195             return OC_STACK_KEEP_TRANSACTION;
 196         }
 197
 198         ClientCallbackContext::ListenErrorContext* context =
 199             static_cast<ClientCallbackContext::ListenErrorContext*>(ctx);
 200         if (!context)
 201         {
 202             return OC_STACK_KEEP_TRANSACTION;
 203         }
 204
 205         OCStackResult result = clientResponse->result;
 206         if (result == OC_STACK_OK)
 207         {
 208             if (!clientResponse->payload || clientResponse->payload->type != PAYLOAD_TYPE_DISCOVERY)
 209             {
 210                 oclog() << "listenCallback(): clientResponse payload was null or the wrong type"
 211                     << std::flush;
 212                 return OC_STACK_KEEP_TRANSACTION;
 213             }
 214
 215             auto clientWrapper = context->clientWrapper.lock();
 216
 217             if (!clientWrapper)
 218             {
 219                 oclog() << "listenCallback(): failed to get a shared_ptr to the client wrapper"
 220                         << std::flush;
 221                 return OC_STACK_KEEP_TRANSACTION;
 222             }
 223
 224             ListenOCContainer container(clientWrapper, clientResponse->devAddr,
 225                                         reinterpret_cast<OCDiscoveryPayload*>(clientResponse->payload));
 226             // loop to ensure valid construction of all resources
 227             for (auto resource : container.Resources())
 228             {
 229                 std::thread exec(context->callback, resource);
 230                 exec.detach();
 231             }
 232             return OC_STACK_KEEP_TRANSACTION;
 233         }
 234
 235         std::string resourceURI = clientResponse->resourceUri;
 236         std::thread exec(context->errorCallback, resourceURI, result);
 237         exec.detach();
 238         return OC_STACK_KEEP_TRANSACTION;
 239     }
 240
 241     OCStackResult InProcClientWrapper::ListenForResource(
 242             const std::string& serviceUrl,
 243             const std::string& resourceType,
 244             OCConnectivityType connectivityType,
 245             FindCallback& callback, QualityOfService QoS)
 246     {
 247         if (!callback)
 248         {
 249             return OC_STACK_INVALID_PARAM;
 250         }
 251
 252         OCStackResult result;
 253         ostringstream resourceUri;
 254         resourceUri << serviceUrl << resourceType;
 255
 256         ClientCallbackContext::ListenContext* context =
 257             new ClientCallbackContext::ListenContext(callback, shared_from_this());
 258         OCCallbackData cbdata;
 259         cbdata.context = static_cast<void*>(context),
 260         cbdata.cb      = listenCallback;
 261         cbdata.cd      = [](void* c){delete (ClientCallbackContext::ListenContext*)c;};
 262
 263         auto cLock = m_csdkLock.lock();
 264         if (cLock)
 265         {
 266             std::lock_guard<std::recursive_mutex> lock(*cLock);
 267             result = OCDoResource(nullptr, OC_REST_DISCOVER,
 268                                   resourceUri.str().c_str(),
 269                                   nullptr, nullptr, connectivityType,
 270                                   static_cast<OCQualityOfService>(QoS),
 271                                   &cbdata,
 272                                   nullptr, 0);
 273         }
 274         else
 275         {
 276             delete context;
 277             result = OC_STACK_ERROR;
 278         }
 279         return result;
 280     }
 281
 282     OCStackResult InProcClientWrapper::ListenErrorForResource(
 283             const std::string& serviceUrl,
 284             const std::string& resourceType,
 285             OCConnectivityType connectivityType,
 286             FindCallback& callback, FindErrorCallback& errorCallback,
 287             QualityOfService QoS)
 288     {
 289         if (!callback)
 290         {
 291             return OC_STACK_INVALID_PARAM;
 292         }
 293
 294         ostringstream resourceUri;
 295         resourceUri << serviceUrl << resourceType;
 296
 297         ClientCallbackContext::ListenErrorContext* context =
 298             new ClientCallbackContext::ListenErrorContext(callback, errorCallback,
 299                                                           shared_from_this());
 300         if (!context)
 301         {
 302             return OC_STACK_ERROR;
 303         }
 304
 305         OCCallbackData cbdata(
 306                 static_cast<void*>(context),
 307                 listenErrorCallback,
 308                 [](void* c){delete static_cast<ClientCallbackContext::ListenErrorContext*>(c);}
 309             );
 310
 311         OCStackResult result;
 312         auto cLock = m_csdkLock.lock();
 313         if (cLock)
 314         {
 315             std::lock_guard<std::recursive_mutex> lock(*cLock);
 316             result = OCDoResource(nullptr, OC_REST_DISCOVER,
 317                                   resourceUri.str().c_str(),
 318                                   nullptr, nullptr, connectivityType,
 319                                   static_cast<OCQualityOfService>(QoS),
 320                                   &cbdata,
 321                                   nullptr, 0);
 322         }
 323         else
 324         {
 325             delete context;
 326             result = OC_STACK_ERROR;
 327         }
 328         return result;
 329     }
 330 #ifdef WITH_MQ
 331     OCStackApplicationResult listenMQCallback(void* ctx, OCDoHandle /*handle*/,
 332                                               OCClientResponse* clientResponse)
 333     {
 334         ClientCallbackContext::MQTopicContext* context =
 335             static_cast<ClientCallbackContext::MQTopicContext*>(ctx);
 336
 337         if (!clientResponse || !context)
 338         {
 339             return OC_STACK_DELETE_TRANSACTION;
 340         }
 341
 342         std::string resourceURI = clientResponse->resourceUri;
 343         if (clientResponse->result != OC_STACK_OK)
 344         {
 345             oclog() << "listenMQCallback(): failed to create resource. clientResponse: "
 346                     << clientResponse->result
 347                     << std::flush;
 348
 349             std::thread exec(context->callback, clientResponse->result,
 350                              resourceURI, nullptr);
 351             exec.detach();
 352
 353             return OC_STACK_DELETE_TRANSACTION;
 354         }
 355
 356         auto clientWrapper = context->clientWrapper.lock();
 357         if (!clientWrapper)
 358         {
 359             oclog() << "listenMQCallback(): failed to get a shared_ptr to the client wrapper"
 360                     << std::flush;
 361             return OC_STACK_DELETE_TRANSACTION;
 362         }
 363
 364         try
 365         {
 366             ListenOCContainer container(clientWrapper, clientResponse->devAddr,
 367                                         (OCRepPayload *) clientResponse->payload);
 368
 369             // loop to ensure valid construction of all resources
 370             for (auto resource : container.Resources())
 371             {
 372                 std::thread exec(context->callback, clientResponse->result,
 373                                  resourceURI, resource);
 374                 exec.detach();
 375             }
 376         }
 377         catch (std::exception &e)
 378         {
 379             oclog() << "Exception in listCallback, ignoring response: "
 380                     << e.what() << std::flush;
 381         }
 382
 383         return OC_STACK_DELETE_TRANSACTION;
 384     }
 385
 386     OCStackResult InProcClientWrapper::ListenForMQTopic(const OCDevAddr& devAddr,
 387                                                         const std::string& resourceUri,
 388                                                         const QueryParamsMap& queryParams,
 389                                                         const HeaderOptions& headerOptions,
 390                                                         MQTopicCallback& callback,
 391                                                         QualityOfService QoS)
 392     {
 393         oclog() << "ListenForMQTopic()" << std::flush;
 394
 395         if (!callback)
 396         {
 397             return OC_STACK_INVALID_PARAM;
 398         }
 399
 400         ClientCallbackContext::MQTopicContext* context =
 401             new ClientCallbackContext::MQTopicContext(callback, shared_from_this());
 402         OCCallbackData cbdata;
 403         cbdata.context = static_cast<void*>(context),
 404         cbdata.cb      = listenMQCallback;
 405         cbdata.cd      = [](void* c){delete (ClientCallbackContext::MQTopicContext*)c;};
 406
 407         std::string uri = assembleSetResourceUri(resourceUri, queryParams);
 408
 409         OCStackResult result = OC_STACK_ERROR;
 410         auto cLock = m_csdkLock.lock();
 411         if (cLock)
 412         {
 413             std::lock_guard<std::recursive_mutex> lock(*cLock);
 414             OCHeaderOption options[MAX_HEADER_OPTIONS];
 415             result = OCDoResource(
 416                                   nullptr, OC_REST_GET,
 417                                   uri.c_str(),
 418                                   &devAddr, nullptr,
 419                                   CT_DEFAULT,
 420                                   static_cast<OCQualityOfService>(QoS),
 421                                   &cbdata,
 422                                   assembleHeaderOptions(options, headerOptions),
 423                                   headerOptions.size());
 424         }
 425         else
 426         {
 427             delete context;
 428         }
 429
 430         return result;
 431     }
 432 #endif
 433
 434     OCStackApplicationResult listenDeviceCallback(void* ctx,
 435                                                   OCDoHandle /*handle*/,
 436             OCClientResponse* clientResponse)
 437     {
 438         ClientCallbackContext::DeviceListenContext* context =
 439             static_cast<ClientCallbackContext::DeviceListenContext*>(ctx);
 440
 441         try
 442         {
 443             OCRepresentation rep = parseGetSetCallback(clientResponse);
 444             std::thread exec(context->callback, rep);
 445             exec.detach();
 446         }
 447         catch(OC::OCException& e)
 448         {
 449             oclog() <<"Exception in listenDeviceCallback, ignoring response: "
 450                 <<e.what() <<std::flush;
 451         }
 452
 453         return OC_STACK_KEEP_TRANSACTION;
 454     }
 455
 456     OCStackResult InProcClientWrapper::ListenForDevice(
 457             const std::string& serviceUrl,
 458             const std::string& deviceURI,
 459             OCConnectivityType connectivityType,
 460             FindDeviceCallback& callback,
 461             QualityOfService QoS)
 462     {
 463         if (!callback)
 464         {
 465             return OC_STACK_INVALID_PARAM;
 466         }
 467         OCStackResult result;
 468         ostringstream deviceUri;
 469         deviceUri << serviceUrl << deviceURI;
 470
 471         ClientCallbackContext::DeviceListenContext* context =
 472             new ClientCallbackContext::DeviceListenContext(callback, shared_from_this());
 473         OCCallbackData cbdata;
 474
 475         cbdata.context = static_cast<void*>(context),
 476         cbdata.cb      = listenDeviceCallback;
 477         cbdata.cd      = [](void* c){delete (ClientCallbackContext::DeviceListenContext*)c;};
 478
 479         auto cLock = m_csdkLock.lock();
 480         if (cLock)
 481         {
 482             std::lock_guard<std::recursive_mutex> lock(*cLock);
 483             result = OCDoResource(nullptr, OC_REST_DISCOVER,
 484                                   deviceUri.str().c_str(),
 485                                   nullptr, nullptr, connectivityType,
 486                                   static_cast<OCQualityOfService>(QoS),
 487                                   &cbdata,
 488                                   nullptr, 0);
 489         }
 490         else
 491         {
 492             delete context;
 493             result = OC_STACK_ERROR;
 494         }
 495         return result;
 496     }
 497
 498     void parseServerHeaderOptions(OCClientResponse* clientResponse,
 499                     HeaderOptions& serverHeaderOptions)
 500     {
 501         if (clientResponse)
 502         {
 503             // Parse header options from server
 504             uint16_t optionID;
 505             std::string optionData;
 506
 507             for(int i = 0; i < clientResponse->numRcvdVendorSpecificHeaderOptions; i++)
 508             {
 509                 optionID = clientResponse->rcvdVendorSpecificHeaderOptions[i].optionID;
 510                 optionData = reinterpret_cast<const char*>
 511                                 (clientResponse->rcvdVendorSpecificHeaderOptions[i].optionData);
 512                 HeaderOption::OCHeaderOption headerOption(optionID, optionData);
 513                 serverHeaderOptions.push_back(headerOption);
 514             }
 515         }
 516         else
 517         {
 518             // clientResponse is invalid
 519             // TODO check proper logging
 520             std::cout << " Invalid response " << std::endl;
 521         }
 522     }
 523
 524 #ifdef WITH_MQ
 525     OCStackApplicationResult createMQTopicCallback(void* ctx, OCDoHandle /*handle*/,
 526                     OCClientResponse* clientResponse)
 527     {
 528         ClientCallbackContext::MQTopicContext* context =
 529             static_cast<ClientCallbackContext::MQTopicContext*>(ctx);
 530         HeaderOptions serverHeaderOptions;
 531
 532         if (!clientResponse || !context)
 533         {
 534             return OC_STACK_DELETE_TRANSACTION;
 535         }
 536
 537         std::string createdUri;
 538         bool isLocationOption = false;
 539         OCStackResult result = clientResponse->result;
 540         if (OC_STACK_OK               == result ||
 541             OC_STACK_RESOURCE_CREATED == result)
 542         {
 543             parseServerHeaderOptions(clientResponse, serverHeaderOptions);
 544
 545             for (auto headerOption : serverHeaderOptions)
 546             {
 547                 if (HeaderOption::LOCATION_PATH_OPTION_ID == headerOption.getOptionID())
 548                 {
 549                     createdUri += "/";
 550                     createdUri += headerOption.getOptionData();
 551                     if (!isLocationOption)
 552                     {
 553                         isLocationOption = true;
 554                     }
 555                 }
 556             }
 557         }
 558
 559         if (!isLocationOption)
 560         {
 561             createdUri = std::string(clientResponse->resourceUri);
 562         }
 563
 564         auto clientWrapper = context->clientWrapper.lock();
 565
 566         if (!clientWrapper)
 567         {
 568             oclog() << "createMQTopicCallback(): failed to get a shared_ptr to the client wrapper"
 569                     << std::flush;
 570             return OC_STACK_DELETE_TRANSACTION;
 571         }
 572
 573         try
 574         {
 575             if (OC_STACK_OK               == result ||
 576                 OC_STACK_RESOURCE_CREATED == result)
 577             {
 578                 ListenOCContainer container(clientWrapper, clientResponse->devAddr,
 579                                             createdUri);
 580                 for (auto resource : container.Resources())
 581                 {
 582                     std::thread exec(context->callback, result,
 583                                      createdUri,
 584                                      resource);
 585                     exec.detach();
 586                 }
 587             }
 588             else
 589             {
 590                 std::thread exec(context->callback, result,
 591                                  createdUri,
 592                                  nullptr);
 593                 exec.detach();
 594             }
 595         }
 596         catch (std::exception &e)
 597         {
 598             oclog() << "Exception in createMQTopicCallback, ignoring response: "
 599                     << e.what() << std::flush;
 600         }
 601         return OC_STACK_DELETE_TRANSACTION;
 602     }
 603
 604     OCStackResult InProcClientWrapper::PutMQTopicRepresentation(
 605                 const OCDevAddr& devAddr,
 606                 const std::string& uri,
 607                 const OCRepresentation& rep,
 608                 const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
 609                 MQTopicCallback& callback, QualityOfService QoS)
 610     {
 611         if (!callback)
 612         {
 613             return OC_STACK_INVALID_PARAM;
 614         }
 615         OCStackResult result;
 616         ClientCallbackContext::MQTopicContext* ctx =
 617                 new ClientCallbackContext::MQTopicContext(callback, shared_from_this());
 618         OCCallbackData cbdata;
 619         cbdata.context = static_cast<void*>(ctx),
 620         cbdata.cb      = createMQTopicCallback;
 621         cbdata.cd      = [](void* c){delete (ClientCallbackContext::MQTopicContext*)c;};
 622
 623         std::string url = assembleSetResourceUri(uri, queryParams);
 624
 625         auto cLock = m_csdkLock.lock();
 626
 627         if (cLock)
 628         {
 629             std::lock_guard<std::recursive_mutex> lock(*cLock);
 630             OCHeaderOption options[MAX_HEADER_OPTIONS];
 631
 632             result = OCDoResource(nullptr, OC_REST_PUT,
 633                                   url.c_str(), &devAddr,
 634                                   assembleSetResourcePayload(rep),
 635                                   CT_DEFAULT,
 636                                   static_cast<OCQualityOfService>(QoS),
 637                                   &cbdata,
 638                                   assembleHeaderOptions(options, headerOptions),
 639                                   headerOptions.size());
 640         }
 641         else
 642         {
 643             delete ctx;
 644             result = OC_STACK_ERROR;
 645         }
 646
 647         return result;
 648     }
 649 #endif
 650     OCStackApplicationResult getResourceCallback(void* ctx,
 651                                                  OCDoHandle /*handle*/,
 652         OCClientResponse* clientResponse)
 653     {
 654         ClientCallbackContext::GetContext* context =
 655             static_cast<ClientCallbackContext::GetContext*>(ctx);
 656
 657         OCRepresentation rep;
 658         HeaderOptions serverHeaderOptions;
 659         OCStackResult result = clientResponse->result;
 660
 661         parseServerHeaderOptions(clientResponse, serverHeaderOptions);
 662         try
 663         {
 664             rep = parseGetSetCallback(clientResponse);
 665         }
 666         catch(OC::OCException& e)
 667         {
 668             result = e.code();
 669         }
 670
 671         std::thread exec(context->callback, serverHeaderOptions, rep, result);
 672         exec.detach();
 673         return OC_STACK_DELETE_TRANSACTION;
 674     }
 675
 676     OCStackResult InProcClientWrapper::GetResourceRepresentation(
 677         const OCDevAddr& devAddr,
 678         const std::string& resourceUri,
 679         const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
 680         OCConnectivityType connectivityType,
 681         GetCallback& callback, QualityOfService QoS)
 682     {
 683         if (!callback)
 684         {
 685             return OC_STACK_INVALID_PARAM;
 686         }
 687         OCStackResult result;
 688         ClientCallbackContext::GetContext* ctx =
 689             new ClientCallbackContext::GetContext(callback);
 690         OCCallbackData cbdata;
 691         cbdata.context = static_cast<void*>(ctx),
 692         cbdata.cb      = getResourceCallback;
 693         cbdata.cd      = [](void* c){delete (ClientCallbackContext::GetContext*)c;};
 694
 695
 696         std::string uri = assembleSetResourceUri(resourceUri, queryParams);
 697
 698         auto cLock = m_csdkLock.lock();
 699
 700         if (cLock)
 701         {
 702             std::lock_guard<std::recursive_mutex> lock(*cLock);
 703             OCHeaderOption options[MAX_HEADER_OPTIONS];
 704
 705             result = OCDoResource(
 706                                   nullptr, OC_REST_GET,
 707                                   uri.c_str(),
 708                                   &devAddr, nullptr,
 709                                   connectivityType,
 710                                   static_cast<OCQualityOfService>(QoS),
 711                                   &cbdata,
 712                                   assembleHeaderOptions(options, headerOptions),
 713                                   headerOptions.size());
 714         }
 715         else
 716         {
 717             delete ctx;
 718             result = OC_STACK_ERROR;
 719         }
 720         return result;
 721     }
 722
 723
 724     OCStackApplicationResult setResourceCallback(void* ctx,
 725                                                  OCDoHandle /*handle*/,
 726         OCClientResponse* clientResponse)
 727     {
 728         ClientCallbackContext::SetContext* context =
 729             static_cast<ClientCallbackContext::SetContext*>(ctx);
 730         OCRepresentation attrs;
 731         HeaderOptions serverHeaderOptions;
 732
 733         OCStackResult result = clientResponse->result;
 734
 735         parseServerHeaderOptions(clientResponse, serverHeaderOptions);
 736         try
 737         {
 738             attrs = parseGetSetCallback(clientResponse);
 739         }
 740         catch(OC::OCException& e)
 741         {
 742             result = e.code();
 743         }
 744
 745         std::thread exec(context->callback, serverHeaderOptions, attrs, result);
 746         exec.detach();
 747         return OC_STACK_DELETE_TRANSACTION;
 748     }
 749
 750     std::string InProcClientWrapper::assembleSetResourceUri(std::string uri,
 751         const QueryParamsMap& queryParams)
 752     {
 753         if (!uri.empty())
 754         {
 755             if (uri.back() == '/')
 756             {
 757                 uri.resize(uri.size() - 1);
 758             }
 759         }
 760
 761         ostringstream paramsList;
 762         if (queryParams.size() > 0)
 763         {
 764             paramsList << '?';
 765         }
 766
 767         for (auto& param : queryParams)
 768         {
 769             paramsList << param.first <<'='<<param.second<<';';
 770         }
 771
 772         std::string queryString = paramsList.str();
 773
 774         if (queryString.empty())
 775         {
 776             return uri;
 777         }
 778
 779         if (queryString.back() == ';')
 780         {
 781             queryString.resize(queryString.size() - 1);
 782         }
 783
 784         std::string ret = uri + queryString;
 785         return ret;
 786     }
 787
 788     std::string InProcClientWrapper::assembleSetResourceUri(std::string uri,
 789         const QueryParamsList& queryParams)
 790     {
 791         if (!uri.empty())
 792         {
 793             if (uri.back() == '/')
 794             {
 795                 uri.resize(uri.size() - 1);
 796             }
 797         }
 798
 799         ostringstream paramsList;
 800         if (queryParams.size() > 0)
 801         {
 802             paramsList << '?';
 803         }
 804
 805         for (auto& param : queryParams)
 806         {
 807             for (auto& paramList : param.second)
 808             {
 809                 paramsList << param.first << '=' << paramList << ';';
 810             }
 811         }
 812
 813         std::string queryString = paramsList.str();
 814
 815         if (queryString.empty())
 816         {
 817             return uri;
 818         }
 819
 820         if (queryString.back() == ';')
 821         {
 822             queryString.resize(queryString.size() - 1);
 823         }
 824
 825         std::string ret = uri + queryString;
 826         return ret;
 827     }
 828
 829     OCPayload* InProcClientWrapper::assembleSetResourcePayload(const OCRepresentation& rep)
 830     {
 831         MessageContainer ocInfo;
 832         ocInfo.addRepresentation(rep);
 833         for(const OCRepresentation& r : rep.getChildren())
 834         {
 835             ocInfo.addRepresentation(r);
 836         }
 837
 838         return reinterpret_cast<OCPayload*>(ocInfo.getPayload());
 839     }
 840
 841     OCStackResult InProcClientWrapper::PostResourceRepresentation(
 842         const OCDevAddr& devAddr,
 843         const std::string& uri,
 844         const OCRepresentation& rep,
 845         const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
 846         OCConnectivityType connectivityType,
 847         PostCallback& callback, QualityOfService QoS)
 848     {
 849         if (!callback)
 850         {
 851             return OC_STACK_INVALID_PARAM;
 852         }
 853         OCStackResult result;
 854         ClientCallbackContext::SetContext* ctx = new ClientCallbackContext::SetContext(callback);
 855         OCCallbackData cbdata;
 856         cbdata.context = static_cast<void*>(ctx),
 857         cbdata.cb      = setResourceCallback;
 858         cbdata.cd      = [](void* c){delete (ClientCallbackContext::SetContext*)c;};
 859
 860
 861         std::string url = assembleSetResourceUri(uri, queryParams);
 862
 863         auto cLock = m_csdkLock.lock();
 864
 865         if (cLock)
 866         {
 867             std::lock_guard<std::recursive_mutex> lock(*cLock);
 868             OCHeaderOption options[MAX_HEADER_OPTIONS];
 869
 870             result = OCDoResource(nullptr, OC_REST_POST,
 871                                   url.c_str(), &devAddr,
 872                                   assembleSetResourcePayload(rep),
 873                                   connectivityType,
 874                                   static_cast<OCQualityOfService>(QoS),
 875                                   &cbdata,
 876                                   assembleHeaderOptions(options, headerOptions),
 877                                   headerOptions.size());
 878         }
 879         else
 880         {
 881             delete ctx;
 882             result = OC_STACK_ERROR;
 883         }
 884
 885         return result;
 886     }
 887
 888     OCStackResult InProcClientWrapper::PutResourceRepresentation(
 889         const OCDevAddr& devAddr,
 890         const std::string& uri,
 891         const OCRepresentation& rep,
 892         const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
 893         PutCallback& callback, QualityOfService QoS)
 894     {
 895         if (!callback)
 896         {
 897             return OC_STACK_INVALID_PARAM;
 898         }
 899         OCStackResult result;
 900         ClientCallbackContext::SetContext* ctx = new ClientCallbackContext::SetContext(callback);
 901         OCCallbackData cbdata;
 902         cbdata.context = static_cast<void*>(ctx),
 903         cbdata.cb      = setResourceCallback;
 904         cbdata.cd      = [](void* c){delete (ClientCallbackContext::SetContext*)c;};
 905
 906
 907         std::string url = assembleSetResourceUri(uri, queryParams).c_str();
 908
 909         auto cLock = m_csdkLock.lock();
 910
 911         if (cLock)
 912         {
 913             std::lock_guard<std::recursive_mutex> lock(*cLock);
 914             OCDoHandle handle;
 915             OCHeaderOption options[MAX_HEADER_OPTIONS];
 916
 917             result = OCDoResource(&handle, OC_REST_PUT,
 918                                   url.c_str(), &devAddr,
 919                                   assembleSetResourcePayload(rep),
 920                                   CT_DEFAULT,
 921                                   static_cast<OCQualityOfService>(QoS),
 922                                   &cbdata,
 923                                   assembleHeaderOptions(options, headerOptions),
 924                                   headerOptions.size());
 925         }
 926         else
 927         {
 928             delete ctx;
 929             result = OC_STACK_ERROR;
 930         }
 931
 932         return result;
 933     }
 934
 935     OCStackApplicationResult deleteResourceCallback(void* ctx,
 936                                                     OCDoHandle /*handle*/,
 937         OCClientResponse* clientResponse)
 938     {
 939         ClientCallbackContext::DeleteContext* context =
 940             static_cast<ClientCallbackContext::DeleteContext*>(ctx);
 941         HeaderOptions serverHeaderOptions;
 942
 943         parseServerHeaderOptions(clientResponse, serverHeaderOptions);
 944
 945         std::thread exec(context->callback, serverHeaderOptions, clientResponse->result);
 946         exec.detach();
 947         return OC_STACK_DELETE_TRANSACTION;
 948     }
 949
 950     OCStackResult InProcClientWrapper::DeleteResource(
 951         const OCDevAddr& devAddr,
 952         const std::string& uri,
 953         const HeaderOptions& headerOptions,
 954         OCConnectivityType connectivityType,
 955         DeleteCallback& callback,
 956         QualityOfService /*QoS*/)
 957     {
 958         if (!callback)
 959         {
 960             return OC_STACK_INVALID_PARAM;
 961         }
 962         OCStackResult result;
 963         ClientCallbackContext::DeleteContext* ctx =
 964             new ClientCallbackContext::DeleteContext(callback);
 965         OCCallbackData cbdata;
 966         cbdata.context = static_cast<void*>(ctx),
 967         cbdata.cb      = deleteResourceCallback;
 968         cbdata.cd      = [](void* c){delete (ClientCallbackContext::DeleteContext*)c;};
 969
 970
 971         auto cLock = m_csdkLock.lock();
 972
 973         if (cLock)
 974         {
 975             OCHeaderOption options[MAX_HEADER_OPTIONS];
 976
 977             std::lock_guard<std::recursive_mutex> lock(*cLock);
 978
 979             result = OCDoResource(nullptr, OC_REST_DELETE,
 980                                   uri.c_str(), &devAddr,
 981                                   nullptr,
 982                                   connectivityType,
 983                                   static_cast<OCQualityOfService>(m_cfg.QoS),
 984                                   &cbdata,
 985                                   assembleHeaderOptions(options, headerOptions),
 986                                   headerOptions.size());
 987         }
 988         else
 989         {
 990             delete ctx;
 991             result = OC_STACK_ERROR;
 992         }
 993
 994         return result;
 995     }
 996
 997     OCStackApplicationResult observeResourceCallback(void* ctx,
 998                                                      OCDoHandle /*handle*/,
 999         OCClientResponse* clientResponse)
1000     {
1001         ClientCallbackContext::ObserveContext* context =
1002             static_cast<ClientCallbackContext::ObserveContext*>(ctx);
1003         OCRepresentation attrs;
1004         HeaderOptions serverHeaderOptions;
1005         uint32_t sequenceNumber = clientResponse->sequenceNumber;
1006         OCStackResult result = clientResponse->result;
1007
1008         parseServerHeaderOptions(clientResponse, serverHeaderOptions);
1009         try
1010         {
1011             attrs = parseGetSetCallback(clientResponse);
1012         }
1013         catch(OC::OCException& e)
1014         {
1015             result = e.code();
1016         }
1017
1018         std::thread exec(context->callback, serverHeaderOptions, attrs,
1019                     result, sequenceNumber);
1020         exec.detach();
1021         if (sequenceNumber == MAX_SEQUENCE_NUMBER + 1)
1022         {
1023             return OC_STACK_DELETE_TRANSACTION;
1024         }
1025
1026         return OC_STACK_KEEP_TRANSACTION;
1027     }
1028
1029     OCStackResult InProcClientWrapper::ObserveResource(ObserveType observeType, OCDoHandle* handle,
1030         const OCDevAddr& devAddr,
1031         const std::string& uri,
1032         const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
1033         ObserveCallback& callback, QualityOfService QoS)
1034     {
1035         if (!callback)
1036         {
1037             return OC_STACK_INVALID_PARAM;
1038         }
1039         OCStackResult result;
1040
1041         ClientCallbackContext::ObserveContext* ctx =
1042             new ClientCallbackContext::ObserveContext(callback);
1043         OCCallbackData cbdata;
1044         cbdata.context = static_cast<void*>(ctx),
1045         cbdata.cb      = observeResourceCallback;
1046         cbdata.cd      = [](void* c){delete (ClientCallbackContext::ObserveContext*)c;};
1047
1048
1049         OCMethod method;
1050         if (observeType == ObserveType::Observe)
1051         {
1052             method = OC_REST_OBSERVE;
1053         }
1054         else if (observeType == ObserveType::ObserveAll)
1055         {
1056             method = OC_REST_OBSERVE_ALL;
1057         }
1058         else
1059         {
1060             method = OC_REST_OBSERVE_ALL;
1061         }
1062
1063         std::string url = assembleSetResourceUri(uri, queryParams).c_str();
1064
1065         auto cLock = m_csdkLock.lock();
1066
1067         if (cLock)
1068         {
1069             std::lock_guard<std::recursive_mutex> lock(*cLock);
1070             OCHeaderOption options[MAX_HEADER_OPTIONS];
1071
1072             result = OCDoResource(handle, method,
1073                                   url.c_str(), &devAddr,
1074                                   nullptr,
1075                                   CT_DEFAULT,
1076                                   static_cast<OCQualityOfService>(QoS),
1077                                   &cbdata,
1078                                   assembleHeaderOptions(options, headerOptions),
1079                                   headerOptions.size());
1080         }
1081         else
1082         {
1083             delete ctx;
1084             return OC_STACK_ERROR;
1085         }
1086
1087         return result;
1088     }
1089
1090     OCStackResult InProcClientWrapper::CancelObserveResource(
1091             OCDoHandle handle,
1092             const std::string& /*host*/,
1093             const std::string& /*uri*/,
1094             const HeaderOptions& headerOptions,
1095             QualityOfService QoS)
1096     {
1097         OCStackResult result;
1098         auto cLock = m_csdkLock.lock();
1099
1100         if (cLock)
1101         {
1102             std::lock_guard<std::recursive_mutex> lock(*cLock);
1103             OCHeaderOption options[MAX_HEADER_OPTIONS];
1104
1105             result = OCCancel(handle,
1106                     static_cast<OCQualityOfService>(QoS),
1107                     assembleHeaderOptions(options, headerOptions),
1108                     headerOptions.size());
1109         }
1110         else
1111         {
1112             result = OC_STACK_ERROR;
1113         }
1114
1115         return result;
1116     }
1117
1118     OCStackApplicationResult subscribePresenceCallback(void* ctx,
1119                                                        OCDoHandle /*handle*/,
1120             OCClientResponse* clientResponse)
1121     {
1122         ClientCallbackContext::SubscribePresenceContext* context =
1123         static_cast<ClientCallbackContext::SubscribePresenceContext*>(ctx);
1124
1125         /*
1126          * This a hack while we rethink presence subscription.
1127          */
1128         std::string url = clientResponse->devAddr.addr;
1129
1130         std::thread exec(context->callback, clientResponse->result,
1131                     clientResponse->sequenceNumber, url);
1132
1133         exec.detach();
1134
1135         return OC_STACK_KEEP_TRANSACTION;
1136     }
1137
1138     OCStackResult InProcClientWrapper::SubscribePresence(OCDoHandle* handle,
1139         const std::string& host, const std::string& resourceType,
1140         OCConnectivityType connectivityType, SubscribeCallback& presenceHandler)
1141     {
1142         if (!presenceHandler)
1143         {
1144             return OC_STACK_INVALID_PARAM;
1145         }
1146
1147         ClientCallbackContext::SubscribePresenceContext* ctx =
1148             new ClientCallbackContext::SubscribePresenceContext(presenceHandler);
1149         OCCallbackData cbdata;
1150         cbdata.context = static_cast<void*>(ctx),
1151         cbdata.cb      = subscribePresenceCallback;
1152         cbdata.cd      = [](void* c){delete (ClientCallbackContext::SubscribePresenceContext*)c;};
1153
1154
1155         auto cLock = m_csdkLock.lock();
1156
1157         std::ostringstream os;
1158         os << host << OC_RSRVD_PRESENCE_URI;
1159
1160         if (!resourceType.empty())
1161         {
1162             os << "?rt=" << resourceType;
1163         }
1164
1165         if (!cLock)
1166         {
1167             delete ctx;
1168             return OC_STACK_ERROR;
1169         }
1170
1171         return OCDoResource(handle, OC_REST_PRESENCE,
1172                             os.str().c_str(), nullptr,
1173                             nullptr, connectivityType,
1174                             OC_LOW_QOS, &cbdata, NULL, 0);
1175     }
1176
1177     OCStackResult InProcClientWrapper::UnsubscribePresence(OCDoHandle handle)
1178     {
1179         OCStackResult result;
1180         auto cLock = m_csdkLock.lock();
1181
1182         if (cLock)
1183         {
1184             std::lock_guard<std::recursive_mutex> lock(*cLock);
1185             result = OCCancel(handle, OC_LOW_QOS, NULL, 0);
1186         }
1187         else
1188         {
1189             result = OC_STACK_ERROR;
1190         }
1191
1192         return result;
1193     }
1194
1195 #ifdef WITH_CLOUD
1196     OCStackResult InProcClientWrapper::SubscribeDevicePresence(OCDoHandle* handle,
1197                                                                const std::string& host,
1198                                                                const std::vector<std::string>& di,
1199                                                                OCConnectivityType connectivityType,
1200                                                                ObserveCallback& callback)
1201     {
1202         if (!callback)
1203         {
1204             return OC_STACK_INVALID_PARAM;
1205         }
1206         OCStackResult result;
1207
1208         ClientCallbackContext::ObserveContext* ctx =
1209             new ClientCallbackContext::ObserveContext(callback);
1210         OCCallbackData cbdata;
1211         cbdata.context = static_cast<void*>(ctx),
1212         cbdata.cb      = observeResourceCallback;
1213         cbdata.cd      = [](void* c){delete (ClientCallbackContext::ObserveContext*)c;};
1214
1215         auto cLock = m_csdkLock.lock();
1216
1217         if (cLock)
1218         {
1219             std::lock_guard<std::recursive_mutex> lock(*cLock);
1220
1221             std::ostringstream os;
1222             os << host << OC_RSRVD_DEVICE_PRESENCE_URI;
1223             QueryParamsList queryParams({{OC_RSRVD_DEVICE_ID, di}});
1224             std::string url = assembleSetResourceUri(os.str(), queryParams);
1225
1226             result = OCDoResource(handle, OC_REST_OBSERVE,
1227                                   url.c_str(), nullptr,
1228                                   nullptr, connectivityType,
1229                                   OC_LOW_QOS, &cbdata,
1230                                   nullptr, 0);
1231         }
1232         else
1233         {
1234             delete ctx;
1235             result = OC_STACK_ERROR;
1236         }
1237
1238         return result;
1239     }
1240 #endif
1241
1242     OCStackResult InProcClientWrapper::GetDefaultQos(QualityOfService& qos)
1243     {
1244         qos = m_cfg.QoS;
1245         return OC_STACK_OK;
1246     }
1247
1248     OCHeaderOption* InProcClientWrapper::assembleHeaderOptions(OCHeaderOption options[],
1249            const HeaderOptions& headerOptions)
1250     {
1251         int i = 0;
1252
1253         if ( headerOptions.size() == 0)
1254         {
1255             return nullptr;
1256         }
1257
1258         for (auto it=headerOptions.begin(); it != headerOptions.end(); ++it)
1259         {
1260             options[i] = OCHeaderOption();
1261             options[i].protocolID = OC_COAP_ID;
1262             options[i].optionID = it->getOptionID();
1263             options[i].optionLength = it->getOptionData().length() + 1;
1264             strcpy((char*)options[i].optionData, (it->getOptionData().c_str()));
1265             i++;
1266         }
1267
1268         return options;
1269     }
1270
1271     std::shared_ptr<OCDirectPairing> cloneDevice(const OCDPDev_t* dev)
1272     {
1273         if (!dev)
1274         {
1275             return nullptr;
1276         }
1277
1278         OCDPDev_t* result = new OCDPDev_t(*dev);
1279         result->prm = new OCPrm_t[dev->prmLen];
1280         memcpy(result->prm, dev->prm, sizeof(OCPrm_t)*dev->prmLen);
1281         return std::shared_ptr<OCDirectPairing>(new OCDirectPairing(result));
1282     }
1283
1284     void InProcClientWrapper::convert(const OCDPDev_t *list, PairedDevices& dpList)
1285     {
1286         while(list)
1287         {
1288             dpList.push_back(cloneDevice(list));
1289             list = list->next;
1290         }
1291     }
1292
1293     OCStackResult InProcClientWrapper::FindDirectPairingDevices(unsigned short waittime,
1294             GetDirectPairedCallback& callback)
1295     {
1296         if (!callback || 0 == waittime)
1297         {
1298             return OC_STACK_INVALID_PARAM;
1299         }
1300
1301         OCStackResult result = OC_STACK_ERROR;
1302         const OCDPDev_t *list = nullptr;
1303         PairedDevices dpDeviceList;
1304
1305         auto cLock = m_csdkLock.lock();
1306
1307         if (cLock)
1308         {
1309             std::lock_guard<std::recursive_mutex> lock(*cLock);
1310
1311             list = OCDiscoverDirectPairingDevices(waittime);
1312             if (NULL == list)
1313             {
1314                 result = OC_STACK_NO_RESOURCE;
1315                 oclog() << "findDirectPairingDevices(): No device found for direct pairing"
1316                     << std::flush;
1317             }
1318             else {
1319                 convert(list, dpDeviceList);
1320                 std::thread exec(callback, dpDeviceList);
1321                 exec.detach();
1322                 result = OC_STACK_OK;
1323             }
1324         }
1325         else
1326         {
1327             result = OC_STACK_ERROR;
1328         }
1329
1330         return result;
1331     }
1332
1333     OCStackResult InProcClientWrapper::GetDirectPairedDevices(GetDirectPairedCallback& callback)
1334     {
1335         if (!callback)
1336         {
1337             return OC_STACK_INVALID_PARAM;
1338         }
1339
1340         OCStackResult result = OC_STACK_ERROR;
1341         const OCDPDev_t *list = nullptr;
1342         PairedDevices dpDeviceList;
1343
1344         auto cLock = m_csdkLock.lock();
1345
1346         if (cLock)
1347         {
1348             std::lock_guard<std::recursive_mutex> lock(*cLock);
1349
1350             list = OCGetDirectPairedDevices();
1351             if (NULL == list)
1352             {
1353                 result = OC_STACK_NO_RESOURCE;
1354                 oclog() << "findDirectPairingDevices(): No device found for direct pairing"
1355                     << std::flush;
1356             }
1357             else {
1358                 convert(list, dpDeviceList);
1359                 std::thread exec(callback, dpDeviceList);
1360                 exec.detach();
1361                 result = OC_STACK_OK;
1362             }
1363         }
1364         else
1365         {
1366             result = OC_STACK_ERROR;
1367         }
1368
1369         return result;
1370     }
1371
1372     void directPairingCallback(void *ctx, OCDPDev_t *peer,
1373             OCStackResult result)
1374     {
1375
1376         ClientCallbackContext::DirectPairingContext* context =
1377             static_cast<ClientCallbackContext::DirectPairingContext*>(ctx);
1378
1379         std::thread exec(context->callback, cloneDevice(peer), result);
1380         exec.detach();
1381     }
1382
1383     OCStackResult InProcClientWrapper::DoDirectPairing(std::shared_ptr<OCDirectPairing> peer,
1384             const OCPrm_t& pmSel, const std::string& pinNumber, DirectPairingCallback& callback)
1385     {
1386         if (!peer || !callback)
1387         {
1388             oclog() << "Invalid parameters" << std::flush;
1389             return OC_STACK_INVALID_PARAM;
1390         }
1391
1392         OCStackResult result = OC_STACK_ERROR;
1393         ClientCallbackContext::DirectPairingContext* context =
1394             new ClientCallbackContext::DirectPairingContext(callback);
1395
1396         auto cLock = m_csdkLock.lock();
1397         if (cLock)
1398         {
1399             std::lock_guard<std::recursive_mutex> lock(*cLock);
1400             result = OCDoDirectPairing(static_cast<void*>(context), peer->getDev(),
1401                     pmSel, const_cast<char*>(pinNumber.c_str()), directPairingCallback);
1402         }
1403         else
1404         {
1405             delete context;
1406             result = OC_STACK_ERROR;
1407         }
1408         return result;
1409     }
1410 }