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 <OCSerialization.h>
  27 using namespace std;
  28
  29 namespace OC
  30 {
  31     InProcClientWrapper::InProcClientWrapper(
  32         std::weak_ptr<std::recursive_mutex> csdkLock, PlatformConfig cfg)
  33             : m_threadRun(false), m_csdkLock(csdkLock),
  34               m_cfg { cfg }
  35     {
  36         // if the config type is server, we ought to never get called.  If the config type
  37         // is both, we count on the server to run the thread and do the initialize
  38
  39         if(m_cfg.mode == ModeType::Client)
  40         {
  41             OCStackResult result = OCInit(m_cfg.ipAddress.c_str(), m_cfg.port, OC_CLIENT);
  42
  43             if(OC_STACK_OK != result)
  44             {
  45                 throw InitializeException(OC::InitException::STACK_INIT_ERROR, result);
  46             }
  47
  48             m_threadRun = true;
  49             m_listeningThread = std::thread(&InProcClientWrapper::listeningFunc, this);
  50         }
  51     }
  52
  53     InProcClientWrapper::~InProcClientWrapper()
  54     {
  55         if(m_threadRun && m_listeningThread.joinable())
  56         {
  57             m_threadRun = false;
  58             m_listeningThread.join();
  59         }
  60
  61         // only stop if we are the ones who actually called 'init'.  We are counting
  62         // on the server to do the stop.
  63         if(m_cfg.mode == ModeType::Client)
  64         {
  65             OCStop();
  66         }
  67     }
  68
  69     void InProcClientWrapper::listeningFunc()
  70     {
  71         while(m_threadRun)
  72         {
  73             OCStackResult result;
  74             auto cLock = m_csdkLock.lock();
  75             if(cLock)
  76             {
  77                 std::lock_guard<std::recursive_mutex> lock(*cLock);
  78                 result = OCProcess();
  79             }
  80             else
  81             {
  82                 result = OC_STACK_ERROR;
  83             }
  84
  85             if(result != OC_STACK_OK)
  86             {
  87                 // TODO: do something with result if failed?
  88             }
  89
  90             // To minimize CPU utilization we may wish to do this with sleep
  91             std::this_thread::sleep_for(std::chrono::milliseconds(10));
  92         }
  93     }
  94
  95     OCRepresentation parseGetSetCallback(OCClientResponse* clientResponse)
  96     {
  97         if(clientResponse->resJSONPayload == nullptr || clientResponse->resJSONPayload[0] == '\0')
  98         {
  99             throw OCException(OC::Exception::STR_NULL_RESPONSE, OC_STACK_ERROR);
 100         }
 101
 102         MessageContainer oc;
 103         oc.setJSONRepresentation(clientResponse->resJSONPayload);
 104
 105         std::vector<OCRepresentation>::const_iterator it = oc.representations().begin();
 106         if(it == oc.representations().end())
 107         {
 108             throw OCException(OC::Exception::INVALID_REPRESENTATION, OC_STACK_ERROR);
 109         }
 110
 111         // first one is considered the root, everything else is considered a child of this one.
 112         OCRepresentation root = *it;
 113         ++it;
 114
 115         std::for_each(it, oc.representations().end(),
 116                 [&root](const OCRepresentation& repItr)
 117                 {root.addChild(repItr);});
 118         return root;
 119
 120     }
 121
 122     OCStackApplicationResult listenCallback(void* ctx, OCDoHandle handle,
 123         OCClientResponse* clientResponse)
 124     {
 125         ClientCallbackContext::ListenContext* context =
 126             static_cast<ClientCallbackContext::ListenContext*>(ctx);
 127
 128         if(clientResponse->result != OC_STACK_OK)
 129         {
 130             oclog() << "listenCallback(): failed to create resource. clientResponse: "
 131                     << clientResponse->result
 132                     << std::flush;
 133
 134             return OC_STACK_KEEP_TRANSACTION;
 135         }
 136
 137         auto clientWrapper = context->clientWrapper.lock();
 138
 139         if(!clientWrapper)
 140         {
 141             oclog() << "listenCallback(): failed to get a shared_ptr to the client wrapper"
 142                     << std::flush;
 143             return OC_STACK_KEEP_TRANSACTION;
 144         }
 145
 146         std::stringstream requestStream;
 147         requestStream << clientResponse->resJSONPayload;
 148
 149         try
 150         {
 151
 152 #ifdef CA_INT
 153             ListenOCContainer container(clientWrapper, *clientResponse->addr,
 154                     clientResponse->connType, requestStream);
 155 #else
 156             ListenOCContainer container(clientWrapper, *clientResponse->addr,
 157                     requestStream);
 158 #endif
 159             // loop to ensure valid construction of all resources
 160             for(auto resource : container.Resources())
 161             {
 162                 std::thread exec(context->callback, resource);
 163                 exec.detach();
 164             }
 165
 166         }
 167         catch(const std::exception& e)
 168         {
 169             oclog() << "listenCallback failed to parse a malformed message: "
 170                     << e.what()
 171                     << std::endl
 172                     << clientResponse->resJSONPayload
 173                     << std::endl
 174                     << clientResponse->result
 175                     << std::flush;
 176             return OC_STACK_KEEP_TRANSACTION;
 177         }
 178
 179         return OC_STACK_KEEP_TRANSACTION;
 180     }
 181
 182 #ifdef CA_INT
 183     OCStackResult InProcClientWrapper::ListenForResource(const std::string& serviceUrl,
 184         const std::string& resourceType, uint8_t connectivityType,
 185         FindCallback& callback, QualityOfService QoS)
 186 #else
 187     OCStackResult InProcClientWrapper::ListenForResource(const std::string& serviceUrl,
 188         const std::string& resourceType, FindCallback& callback, QualityOfService QoS)
 189 #endif
 190     {
 191         OCStackResult result;
 192
 193         OCCallbackData cbdata = {0};
 194
 195         ClientCallbackContext::ListenContext* context = new ClientCallbackContext::ListenContext();
 196         context->callback = callback;
 197         context->clientWrapper = shared_from_this();
 198
 199         cbdata.context =  static_cast<void*>(context);
 200         cbdata.cb = listenCallback;
 201         cbdata.cd = [](void* c){delete static_cast<ClientCallbackContext::ListenContext*>(c);};
 202
 203         auto cLock = m_csdkLock.lock();
 204         if(cLock)
 205         {
 206             std::lock_guard<std::recursive_mutex> lock(*cLock);
 207             OCDoHandle handle;
 208 #ifdef CA_INT
 209             result = OCDoResource(&handle, OC_REST_GET,
 210                                   resourceType.c_str(),
 211                                   nullptr, nullptr, connectivityType,
 212                                   static_cast<OCQualityOfService>(QoS),
 213                                   &cbdata,
 214                                   NULL, 0);
 215 #else
 216             result = OCDoResource(&handle, OC_REST_GET,
 217                                   resourceType.c_str(),
 218                                   nullptr, nullptr,
 219                                   static_cast<OCQualityOfService>(QoS),
 220                                   &cbdata,
 221                                   NULL, 0);
 222 #endif
 223         }
 224         else
 225         {
 226             delete context;
 227             result = OC_STACK_ERROR;
 228         }
 229         return result;
 230     }
 231
 232     OCStackApplicationResult listenDeviceCallback(void* ctx, OCDoHandle handle,
 233             OCClientResponse* clientResponse)
 234     {
 235         ClientCallbackContext::DeviceListenContext* context =
 236             static_cast<ClientCallbackContext::DeviceListenContext*>(ctx);
 237
 238         OCRepresentation rep = parseGetSetCallback(clientResponse);
 239         std::thread exec(context->callback, rep);
 240         exec.detach();
 241
 242         return OC_STACK_KEEP_TRANSACTION;
 243     }
 244
 245 #ifdef CA_INT
 246     OCStackResult InProcClientWrapper::ListenForDevice(const std::string& serviceUrl,
 247         const std::string& deviceURI, uint8_t connectivityType,
 248         FindDeviceCallback& callback, QualityOfService QoS)
 249 #else
 250     OCStackResult InProcClientWrapper::ListenForDevice(const std::string& serviceUrl,
 251         const std::string& deviceURI, FindDeviceCallback& callback, QualityOfService QoS)
 252 #endif
 253     {
 254         OCStackResult result;
 255
 256         OCCallbackData cbdata = {0};
 257         ClientCallbackContext::DeviceListenContext* context =
 258             new ClientCallbackContext::DeviceListenContext();
 259         context->callback = callback;
 260         context->clientWrapper = shared_from_this();
 261         cbdata.context =  static_cast<void*>(context);
 262         cbdata.cb = listenDeviceCallback;
 263         cbdata.cd = [](void* c){delete static_cast<ClientCallbackContext::DeviceListenContext*>(c);};
 264
 265         auto cLock = m_csdkLock.lock();
 266         if(cLock)
 267         {
 268             std::lock_guard<std::recursive_mutex> lock(*cLock);
 269             OCDoHandle handle;
 270 #ifdef CA_INT
 271             result = OCDoResource(&handle, OC_REST_GET,
 272                                   deviceURI.c_str(),
 273                                   nullptr, nullptr, connectivityType,
 274                                   static_cast<OCQualityOfService>(QoS),
 275                                   &cbdata,
 276                                   NULL, 0);
 277 #else
 278             result = OCDoResource(&handle, OC_REST_GET,
 279                                   deviceURI.c_str(),
 280                                   nullptr, nullptr,
 281                                   static_cast<OCQualityOfService>(QoS),
 282                                   &cbdata,
 283                                   NULL, 0);
 284 #endif
 285         }
 286         else
 287         {
 288             result = OC_STACK_ERROR;
 289         }
 290         return result;
 291     }
 292
 293     void parseServerHeaderOptions(OCClientResponse* clientResponse,
 294                     HeaderOptions& serverHeaderOptions)
 295     {
 296         if(clientResponse)
 297         {
 298             // Parse header options from server
 299             uint16_t optionID;
 300             std::string optionData;
 301
 302             for(int i = 0; i < clientResponse->numRcvdVendorSpecificHeaderOptions; i++)
 303             {
 304                 optionID = clientResponse->rcvdVendorSpecificHeaderOptions[i].optionID;
 305                 optionData = reinterpret_cast<const char*>
 306                                 (clientResponse->rcvdVendorSpecificHeaderOptions[i].optionData);
 307                 HeaderOption::OCHeaderOption headerOption(optionID, optionData);
 308                 serverHeaderOptions.push_back(headerOption);
 309             }
 310         }
 311         else
 312         {
 313             // clientResponse is invalid
 314             // TODO check proper logging
 315             std::cout << " Invalid response " << std::endl;
 316         }
 317     }
 318
 319     OCStackApplicationResult getResourceCallback(void* ctx, OCDoHandle handle,
 320         OCClientResponse* clientResponse)
 321     {
 322         ClientCallbackContext::GetContext* context =
 323             static_cast<ClientCallbackContext::GetContext*>(ctx);
 324
 325         OCRepresentation rep;
 326         HeaderOptions serverHeaderOptions;
 327         if(clientResponse->result == OC_STACK_OK)
 328         {
 329             parseServerHeaderOptions(clientResponse, serverHeaderOptions);
 330             rep = parseGetSetCallback(clientResponse);
 331         }
 332
 333         std::thread exec(context->callback, serverHeaderOptions, rep, clientResponse->result);
 334         exec.detach();
 335         return OC_STACK_DELETE_TRANSACTION;
 336     }
 337
 338 #ifdef CA_INT
 339     OCStackResult InProcClientWrapper::GetResourceRepresentation(const std::string& host,
 340         const std::string& uri, uint8_t connectivityType, const QueryParamsMap& queryParams,
 341         const HeaderOptions& headerOptions, GetCallback& callback,
 342         QualityOfService QoS)
 343 #else
 344     OCStackResult InProcClientWrapper::GetResourceRepresentation(const std::string& host,
 345         const std::string& uri, const QueryParamsMap& queryParams,
 346         const HeaderOptions& headerOptions, GetCallback& callback,
 347         QualityOfService QoS)
 348 #endif
 349     {
 350         OCStackResult result;
 351         OCCallbackData cbdata = {0};
 352
 353         ClientCallbackContext::GetContext* ctx = new ClientCallbackContext::GetContext();
 354         ctx->callback = callback;
 355         cbdata.context = static_cast<void*>(ctx);
 356         cbdata.cb = &getResourceCallback;
 357         cbdata.cd = [](void* c){delete static_cast<ClientCallbackContext::GetContext*>(c);};
 358
 359         auto cLock = m_csdkLock.lock();
 360
 361         if(cLock)
 362         {
 363             std::ostringstream os;
 364             os << host << assembleSetResourceUri(uri, queryParams).c_str();
 365
 366             std::lock_guard<std::recursive_mutex> lock(*cLock);
 367             OCDoHandle handle;
 368             OCHeaderOption options[MAX_HEADER_OPTIONS];
 369
 370             assembleHeaderOptions(options, headerOptions);
 371 #ifdef CA_INT
 372             result = OCDoResource(&handle, OC_REST_GET, os.str().c_str(),
 373                                   nullptr, nullptr, connectivityType,
 374                                   static_cast<OCQualityOfService>(QoS),
 375                                   &cbdata,
 376                                   options, headerOptions.size());
 377 #else
 378             result = OCDoResource(&handle, OC_REST_GET, os.str().c_str(),
 379                                   nullptr, nullptr,
 380                                   static_cast<OCQualityOfService>(QoS),
 381                                   &cbdata,
 382                                   options, headerOptions.size());
 383 #endif
 384         }
 385         else
 386         {
 387             delete ctx;
 388             result = OC_STACK_ERROR;
 389         }
 390         return result;
 391     }
 392
 393
 394     OCStackApplicationResult setResourceCallback(void* ctx, OCDoHandle handle,
 395         OCClientResponse* clientResponse)
 396     {
 397         ClientCallbackContext::SetContext* context =
 398             static_cast<ClientCallbackContext::SetContext*>(ctx);
 399         OCRepresentation attrs;
 400         HeaderOptions serverHeaderOptions;
 401
 402         if (OC_STACK_OK               == clientResponse->result ||
 403             OC_STACK_RESOURCE_CREATED == clientResponse->result ||
 404             OC_STACK_RESOURCE_DELETED == clientResponse->result)
 405         {
 406             parseServerHeaderOptions(clientResponse, serverHeaderOptions);
 407             attrs = parseGetSetCallback(clientResponse);
 408         }
 409
 410         std::thread exec(context->callback, serverHeaderOptions, attrs, clientResponse->result);
 411         exec.detach();
 412         return OC_STACK_DELETE_TRANSACTION;
 413     }
 414
 415     std::string InProcClientWrapper::assembleSetResourceUri(std::string uri,
 416         const QueryParamsMap& queryParams)
 417     {
 418         if(uri.back() == '/')
 419         {
 420             uri.resize(uri.size()-1);
 421         }
 422
 423         ostringstream paramsList;
 424         if(queryParams.size() > 0)
 425         {
 426             paramsList << '?';
 427         }
 428
 429         for(auto& param : queryParams)
 430         {
 431             paramsList << param.first <<'='<<param.second<<'&';
 432         }
 433
 434         std::string queryString = paramsList.str();
 435         if(queryString.back() == '&')
 436         {
 437             queryString.resize(queryString.size() - 1);
 438         }
 439
 440         std::string ret = uri + queryString;
 441         return ret;
 442     }
 443
 444     std::string InProcClientWrapper::assembleSetResourcePayload(const OCRepresentation& rep)
 445     {
 446         MessageContainer ocInfo;
 447         ocInfo.addRepresentation(rep);
 448         return ocInfo.getJSONRepresentation(OCInfoFormat::IncludeOC);
 449     }
 450
 451 #ifdef CA_INT
 452     OCStackResult InProcClientWrapper::PostResourceRepresentation(const std::string& host,
 453         const std::string& uri, uint8_t connectivityType, const OCRepresentation& rep,
 454         const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
 455         PostCallback& callback, QualityOfService QoS)
 456 #else
 457     OCStackResult InProcClientWrapper::PostResourceRepresentation(const std::string& host,
 458         const std::string& uri, const OCRepresentation& rep,
 459         const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
 460         PostCallback& callback, QualityOfService QoS)
 461 #endif
 462     {
 463         OCStackResult result;
 464         OCCallbackData cbdata = {0};
 465
 466         ClientCallbackContext::SetContext* ctx = new ClientCallbackContext::SetContext();
 467         ctx->callback = callback;
 468         cbdata.cb = &setResourceCallback;
 469         cbdata.cd = [](void* c){delete static_cast<ClientCallbackContext::SetContext*>(c);};
 470         cbdata.context = static_cast<void*>(ctx);
 471
 472         // TODO: in the future the cstack should be combining these two strings!
 473         ostringstream os;
 474         os << host << assembleSetResourceUri(uri, queryParams).c_str();
 475         // TODO: end of above
 476
 477         auto cLock = m_csdkLock.lock();
 478
 479         if(cLock)
 480         {
 481             std::lock_guard<std::recursive_mutex> lock(*cLock);
 482             OCHeaderOption options[MAX_HEADER_OPTIONS];
 483             OCDoHandle handle;
 484
 485             assembleHeaderOptions(options, headerOptions);
 486 #ifdef CA_INT
 487             result = OCDoResource(&handle, OC_REST_POST,
 488                                   os.str().c_str(), nullptr,
 489                                   assembleSetResourcePayload(rep).c_str(), connectivityType,
 490                                   static_cast<OCQualityOfService>(QoS),
 491                                   &cbdata, options, headerOptions.size());
 492 #else
 493             result = OCDoResource(&handle, OC_REST_POST,
 494                                   os.str().c_str(), nullptr,
 495                                   assembleSetResourcePayload(rep).c_str(),
 496                                   static_cast<OCQualityOfService>(QoS),
 497                                   &cbdata, options, headerOptions.size());
 498 #endif
 499         }
 500         else
 501         {
 502             delete ctx;
 503             result = OC_STACK_ERROR;
 504         }
 505
 506         return result;
 507     }
 508
 509 #ifdef CA_INT
 510     OCStackResult InProcClientWrapper::PutResourceRepresentation(const std::string& host,
 511         const std::string& uri, uint8_t connectivityType, const OCRepresentation& rep,
 512         const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
 513         PutCallback& callback, QualityOfService QoS)
 514 #else
 515     OCStackResult InProcClientWrapper::PutResourceRepresentation(const std::string& host,
 516         const std::string& uri, const OCRepresentation& rep,
 517         const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
 518         PutCallback& callback, QualityOfService QoS)
 519 #endif
 520     {
 521         OCStackResult result;
 522         OCCallbackData cbdata = {0};
 523
 524         ClientCallbackContext::SetContext* ctx = new ClientCallbackContext::SetContext();
 525         ctx->callback = callback;
 526         cbdata.cb = &setResourceCallback;
 527         cbdata.cd = [](void* c){delete static_cast<ClientCallbackContext::SetContext*>(c);};
 528         cbdata.context = static_cast<void*>(ctx);
 529
 530         // TODO: in the future the cstack should be combining these two strings!
 531         ostringstream os;
 532         os << host << assembleSetResourceUri(uri, queryParams).c_str();
 533         // TODO: end of above
 534
 535         auto cLock = m_csdkLock.lock();
 536
 537         if(cLock)
 538         {
 539             std::lock_guard<std::recursive_mutex> lock(*cLock);
 540             OCDoHandle handle;
 541             OCHeaderOption options[MAX_HEADER_OPTIONS];
 542
 543             assembleHeaderOptions(options, headerOptions);
 544 #ifdef CA_INT
 545             result = OCDoResource(&handle, OC_REST_PUT,
 546                                   os.str().c_str(), nullptr,
 547                                   assembleSetResourcePayload(rep).c_str(), connectivityType,
 548                                   static_cast<OCQualityOfService>(QoS),
 549                                   &cbdata,
 550                                   options, headerOptions.size());
 551 #else
 552             result = OCDoResource(&handle, OC_REST_PUT,
 553                                   os.str().c_str(), nullptr,
 554                                   assembleSetResourcePayload(rep).c_str(),
 555                                   static_cast<OCQualityOfService>(QoS),
 556                                   &cbdata,
 557                                   options, headerOptions.size());
 558 #endif
 559         }
 560         else
 561         {
 562             delete ctx;
 563             result = OC_STACK_ERROR;
 564         }
 565
 566         return result;
 567     }
 568
 569     OCStackApplicationResult deleteResourceCallback(void* ctx, OCDoHandle handle,
 570         OCClientResponse* clientResponse)
 571     {
 572         ClientCallbackContext::DeleteContext* context =
 573             static_cast<ClientCallbackContext::DeleteContext*>(ctx);
 574         HeaderOptions serverHeaderOptions;
 575
 576         if(clientResponse->result == OC_STACK_OK)
 577         {
 578             parseServerHeaderOptions(clientResponse, serverHeaderOptions);
 579         }
 580         std::thread exec(context->callback, serverHeaderOptions, clientResponse->result);
 581         exec.detach();
 582         return OC_STACK_DELETE_TRANSACTION;
 583     }
 584
 585 #ifdef CA_INT
 586     OCStackResult InProcClientWrapper::DeleteResource(const std::string& host,
 587         const std::string& uri, uint8_t connectivityType, const HeaderOptions& headerOptions,
 588          DeleteCallback& callback, QualityOfService QoS)
 589 #else
 590     OCStackResult InProcClientWrapper::DeleteResource(const std::string& host,
 591         const std::string& uri, const HeaderOptions& headerOptions,
 592          DeleteCallback& callback, QualityOfService QoS)
 593 #endif
 594     {
 595         OCStackResult result;
 596         OCCallbackData cbdata = {0};
 597
 598         ClientCallbackContext::DeleteContext* ctx = new ClientCallbackContext::DeleteContext();
 599         ctx->callback = callback;
 600         cbdata.cb = &deleteResourceCallback;
 601         cbdata.cd = [](void* c){delete static_cast<ClientCallbackContext::DeleteContext*>(c);};
 602         cbdata.context = static_cast<void*>(ctx);
 603
 604         ostringstream os;
 605         os << host << uri;
 606
 607         auto cLock = m_csdkLock.lock();
 608
 609         if(cLock)
 610         {
 611             OCHeaderOption options[MAX_HEADER_OPTIONS];
 612             OCDoHandle handle;
 613
 614             assembleHeaderOptions(options, headerOptions);
 615
 616             std::lock_guard<std::recursive_mutex> lock(*cLock);
 617 #ifdef CA_INT
 618             result = OCDoResource(&handle, OC_REST_DELETE,
 619                                   os.str().c_str(), nullptr,
 620                                   nullptr, connectivityType,
 621                                   static_cast<OCQualityOfService>(m_cfg.QoS),
 622                                   &cbdata, options, headerOptions.size());
 623 #else
 624             result = OCDoResource(&handle, OC_REST_DELETE,
 625                                   os.str().c_str(), nullptr,
 626                                   nullptr, static_cast<OCQualityOfService>(m_cfg.QoS),
 627                                   &cbdata, options, headerOptions.size());
 628 #endif
 629         }
 630         else
 631         {
 632             delete ctx;
 633             result = OC_STACK_ERROR;
 634         }
 635
 636         return result;
 637     }
 638
 639     OCStackApplicationResult observeResourceCallback(void* ctx, OCDoHandle handle,
 640         OCClientResponse* clientResponse)
 641     {
 642         ClientCallbackContext::ObserveContext* context =
 643             static_cast<ClientCallbackContext::ObserveContext*>(ctx);
 644         OCRepresentation attrs;
 645         HeaderOptions serverHeaderOptions;
 646         uint32_t sequenceNumber = clientResponse->sequenceNumber;
 647
 648         if(clientResponse->result == OC_STACK_OK)
 649         {
 650             parseServerHeaderOptions(clientResponse, serverHeaderOptions);
 651             attrs = parseGetSetCallback(clientResponse);
 652         }
 653         std::thread exec(context->callback, serverHeaderOptions, attrs,
 654                     clientResponse->result, sequenceNumber);
 655         exec.detach();
 656         return OC_STACK_KEEP_TRANSACTION;
 657     }
 658
 659 #ifdef CA_INT
 660     OCStackResult InProcClientWrapper::ObserveResource(ObserveType observeType, OCDoHandle* handle,
 661         const std::string& host, const std::string& uri, uint8_t connectivityType,
 662         const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
 663         ObserveCallback& callback, QualityOfService QoS)
 664 #else
 665     OCStackResult InProcClientWrapper::ObserveResource(ObserveType observeType, OCDoHandle* handle,
 666         const std::string& host, const std::string& uri, const QueryParamsMap& queryParams,
 667         const HeaderOptions& headerOptions, ObserveCallback& callback, QualityOfService QoS)
 668 #endif
 669     {
 670         OCStackResult result;
 671         OCCallbackData cbdata = {0};
 672
 673         ClientCallbackContext::ObserveContext* ctx = new ClientCallbackContext::ObserveContext();
 674         ctx->callback = callback;
 675         cbdata.context = static_cast<void*>(ctx);
 676         cbdata.cb = &observeResourceCallback;
 677         cbdata.cd = [](void* c){delete static_cast<ClientCallbackContext::ObserveContext*>(c);};
 678
 679         OCMethod method;
 680         if (observeType == ObserveType::Observe)
 681         {
 682             method = OC_REST_OBSERVE;
 683         }
 684         else if (observeType == ObserveType::ObserveAll)
 685         {
 686             method = OC_REST_OBSERVE_ALL;
 687         }
 688         else
 689         {
 690             method = OC_REST_OBSERVE_ALL;
 691         }
 692
 693         auto cLock = m_csdkLock.lock();
 694
 695         if(cLock)
 696         {
 697             std::ostringstream os;
 698             os << host << assembleSetResourceUri(uri, queryParams).c_str();
 699
 700             std::lock_guard<std::recursive_mutex> lock(*cLock);
 701             OCHeaderOption options[MAX_HEADER_OPTIONS];
 702
 703             assembleHeaderOptions(options, headerOptions);
 704 #ifdef CA_INT
 705             result = OCDoResource(handle, method,
 706                                   os.str().c_str(), nullptr,
 707                                   nullptr, connectivityType,
 708                                   static_cast<OCQualityOfService>(QoS),
 709                                   &cbdata,
 710                                   options, headerOptions.size());
 711 #else
 712             result = OCDoResource(handle, method,
 713                                   os.str().c_str(), nullptr,
 714                                   nullptr,
 715                                   static_cast<OCQualityOfService>(QoS),
 716                                   &cbdata,
 717                                   options, headerOptions.size());
 718 #endif
 719         }
 720         else
 721         {
 722             delete ctx;
 723             return OC_STACK_ERROR;
 724         }
 725
 726         return result;
 727     }
 728
 729     OCStackResult InProcClientWrapper::CancelObserveResource(OCDoHandle handle,
 730         const std::string& host, const std::string& uri, const HeaderOptions& headerOptions,
 731         QualityOfService QoS)
 732     {
 733         OCStackResult result;
 734         auto cLock = m_csdkLock.lock();
 735
 736         if(cLock)
 737         {
 738             std::lock_guard<std::recursive_mutex> lock(*cLock);
 739             OCHeaderOption options[MAX_HEADER_OPTIONS];
 740
 741             assembleHeaderOptions(options, headerOptions);
 742             result = OCCancel(handle, static_cast<OCQualityOfService>(QoS), options,
 743                     headerOptions.size());
 744         }
 745         else
 746         {
 747             result = OC_STACK_ERROR;
 748         }
 749
 750         return result;
 751     }
 752
 753     OCStackApplicationResult subscribePresenceCallback(void* ctx, OCDoHandle handle,
 754             OCClientResponse* clientResponse)
 755     {
 756         char stringAddress[DEV_ADDR_SIZE_MAX];
 757         ostringstream os;
 758         uint16_t port;
 759
 760         if(OCDevAddrToString(clientResponse->addr, stringAddress) == 0 &&
 761                 OCDevAddrToPort(clientResponse->addr, &port) == 0)
 762         {
 763             os<<stringAddress<<":"<<port;
 764
 765             ClientCallbackContext::SubscribePresenceContext* context =
 766                 static_cast<ClientCallbackContext::SubscribePresenceContext*>(ctx);
 767
 768             std::thread exec(context->callback, clientResponse->result,
 769                     clientResponse->sequenceNumber, os.str());
 770
 771             exec.detach();
 772         }
 773         else
 774         {
 775             oclog() << "subscribePresenceCallback(): OCDevAddrToString() or OCDevAddrToPort() "
 776                     <<"failed"<< std::flush;
 777         }
 778         return OC_STACK_KEEP_TRANSACTION;
 779     }
 780
 781 #ifdef CA_INT
 782     OCStackResult InProcClientWrapper::SubscribePresence(OCDoHandle* handle,
 783         const std::string& host, const std::string& resourceType, uint8_t connectivityType,
 784         SubscribeCallback& presenceHandler)
 785 #else
 786     OCStackResult InProcClientWrapper::SubscribePresence(OCDoHandle* handle,
 787         const std::string& host, const std::string& resourceType,
 788         SubscribeCallback& presenceHandler)
 789 #endif
 790     {
 791         OCCallbackData cbdata = {0};
 792
 793         ClientCallbackContext::SubscribePresenceContext* ctx =
 794             new ClientCallbackContext::SubscribePresenceContext();
 795         ctx->callback = presenceHandler;
 796         cbdata.cb = &subscribePresenceCallback;
 797         cbdata.context = static_cast<void*>(ctx);
 798         cbdata.cd = [](void* c)
 799             {delete static_cast<ClientCallbackContext::SubscribePresenceContext*>(c);};
 800         auto cLock = m_csdkLock.lock();
 801
 802         std::ostringstream os;
 803         os << host << "/oc/presence";
 804
 805         if(!resourceType.empty())
 806         {
 807             os << "?rt=" << resourceType;
 808         }
 809
 810         if(!cLock)
 811         {
 812             delete ctx;
 813             return OC_STACK_ERROR;
 814         }
 815
 816 #ifdef CA_INT
 817         return OCDoResource(handle, OC_REST_PRESENCE, os.str().c_str(), nullptr, nullptr,
 818                             connectivityType, OC_LOW_QOS, &cbdata, NULL, 0);
 819 #else
 820         return OCDoResource(handle, OC_REST_PRESENCE, os.str().c_str(), nullptr, nullptr,
 821                             OC_LOW_QOS, &cbdata, NULL, 0);
 822 #endif
 823     }
 824
 825     OCStackResult InProcClientWrapper::UnsubscribePresence(OCDoHandle handle)
 826     {
 827         OCStackResult result;
 828         auto cLock = m_csdkLock.lock();
 829
 830         if(cLock)
 831         {
 832             std::lock_guard<std::recursive_mutex> lock(*cLock);
 833             result = OCCancel(handle, OC_LOW_QOS, NULL, 0);
 834         }
 835         else
 836         {
 837             result = OC_STACK_ERROR;
 838         }
 839
 840         return result;
 841     }
 842
 843     OCStackResult InProcClientWrapper::GetDefaultQos(QualityOfService& qos)
 844     {
 845         qos = m_cfg.QoS;
 846         return OC_STACK_OK;
 847     }
 848
 849     void InProcClientWrapper::assembleHeaderOptions(OCHeaderOption options[],
 850            const HeaderOptions& headerOptions)
 851     {
 852         int i = 0;
 853
 854         for (auto it=headerOptions.begin(); it != headerOptions.end(); ++it)
 855         {
 856             options[i].protocolID = OC_COAP_ID;
 857             options[i].optionID = static_cast<uint16_t>(it->getOptionID());
 858             options[i].optionLength = (it->getOptionData()).length() + 1;
 859             memcpy(options[i].optionData, (it->getOptionData()).c_str(),
 860                     (it->getOptionData()).length() + 1);
 861             i++;
 862         }
 863     }
 864 }