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             ListenOCContainer container(clientWrapper, clientResponse->devAddr,
 170                                     reinterpret_cast<OCDiscoveryPayload*>(clientResponse->payload));
 171             // loop to ensure valid construction of all resources
 172
 173             for(auto resource : container.Resources())
 174             {
 175                 std::thread exec(context->callback, resource);
 176                 exec.detach();
 177             }
 178         }
 179         catch (std::exception &e){
 180             oclog() << "Exception in listCallback, ignoring response: "
 181                     << e.what() << std::flush;
 182         }
 183
 184
 185         return OC_STACK_KEEP_TRANSACTION;
 186     }
 187
 188     OCStackApplicationResult listenErrorCallback(void* ctx, OCDoHandle /*handle*/,
 189         OCClientResponse* clientResponse)
 190     {
 191         if (!ctx || !clientResponse)
 192         {
 193             return OC_STACK_KEEP_TRANSACTION;
 194         }
 195
 196         ClientCallbackContext::ListenErrorContext* context =
 197             static_cast<ClientCallbackContext::ListenErrorContext*>(ctx);
 198         if (!context)
 199         {
 200             return OC_STACK_KEEP_TRANSACTION;
 201         }
 202
 203         OCStackResult result = clientResponse->result;
 204         if (result == OC_STACK_OK)
 205         {
 206             if (!clientResponse->payload || clientResponse->payload->type != PAYLOAD_TYPE_DISCOVERY)
 207             {
 208                 oclog() << "listenCallback(): clientResponse payload was null or the wrong type"
 209                     << std::flush;
 210                 return OC_STACK_KEEP_TRANSACTION;
 211             }
 212
 213             auto clientWrapper = context->clientWrapper.lock();
 214
 215             if (!clientWrapper)
 216             {
 217                 oclog() << "listenCallback(): failed to get a shared_ptr to the client wrapper"
 218                         << std::flush;
 219                 return OC_STACK_KEEP_TRANSACTION;
 220             }
 221
 222             ListenOCContainer container(clientWrapper, clientResponse->devAddr,
 223                                         reinterpret_cast<OCDiscoveryPayload*>(clientResponse->payload));
 224             // loop to ensure valid construction of all resources
 225             for (auto resource : container.Resources())
 226             {
 227                 std::thread exec(context->callback, resource);
 228                 exec.detach();
 229             }
 230             return OC_STACK_KEEP_TRANSACTION;
 231         }
 232
 233         std::string resourceURI = clientResponse->resourceUri;
 234         std::thread exec(context->errorCallback, resourceURI, result);
 235         exec.detach();
 236         return OC_STACK_DELETE_TRANSACTION;
 237     }
 238
 239     OCStackResult InProcClientWrapper::ListenForResource(
 240             const std::string& serviceUrl,
 241             const std::string& resourceType,
 242             OCConnectivityType connectivityType,
 243             FindCallback& callback, QualityOfService QoS)
 244     {
 245         if (!callback)
 246         {
 247             return OC_STACK_INVALID_PARAM;
 248         }
 249
 250         OCStackResult result;
 251         ostringstream resourceUri;
 252         resourceUri << serviceUrl << resourceType;
 253
 254         ClientCallbackContext::ListenContext* context =
 255             new ClientCallbackContext::ListenContext(callback, shared_from_this());
 256         OCCallbackData cbdata;
 257         cbdata.context = static_cast<void*>(context),
 258         cbdata.cb      = listenCallback;
 259         cbdata.cd      = [](void* c){delete (ClientCallbackContext::ListenContext*)c;};
 260
 261         auto cLock = m_csdkLock.lock();
 262         if (cLock)
 263         {
 264             std::lock_guard<std::recursive_mutex> lock(*cLock);
 265             result = OCDoResource(nullptr, OC_REST_DISCOVER,
 266                                   resourceUri.str().c_str(),
 267                                   nullptr, nullptr, connectivityType,
 268                                   static_cast<OCQualityOfService>(QoS),
 269                                   &cbdata,
 270                                   nullptr, 0);
 271         }
 272         else
 273         {
 274             delete context;
 275             result = OC_STACK_ERROR;
 276         }
 277         return result;
 278     }
 279
 280     OCStackResult InProcClientWrapper::ListenErrorForResource(
 281             const std::string& serviceUrl,
 282             const std::string& resourceType,
 283             OCConnectivityType connectivityType,
 284             FindCallback& callback, FindErrorCallback& errorCallback,
 285             QualityOfService QoS)
 286     {
 287         if (!callback)
 288         {
 289             return OC_STACK_INVALID_PARAM;
 290         }
 291
 292         ostringstream resourceUri;
 293         resourceUri << serviceUrl << resourceType;
 294
 295         ClientCallbackContext::ListenErrorContext* context =
 296             new ClientCallbackContext::ListenErrorContext(callback, errorCallback,
 297                                                           shared_from_this());
 298         if (!context)
 299         {
 300             return OC_STACK_ERROR;
 301         }
 302
 303         OCCallbackData cbdata(
 304                 static_cast<void*>(context),
 305                 listenErrorCallback,
 306                 [](void* c){delete static_cast<ClientCallbackContext::ListenErrorContext*>(c);}
 307             );
 308
 309         OCStackResult result;
 310         auto cLock = m_csdkLock.lock();
 311         if (cLock)
 312         {
 313             std::lock_guard<std::recursive_mutex> lock(*cLock);
 314             result = OCDoResource(nullptr, OC_REST_DISCOVER,
 315                                   resourceUri.str().c_str(),
 316                                   nullptr, nullptr, connectivityType,
 317                                   static_cast<OCQualityOfService>(QoS),
 318                                   &cbdata,
 319                                   nullptr, 0);
 320         }
 321         else
 322         {
 323             delete context;
 324             result = OC_STACK_ERROR;
 325         }
 326         return result;
 327     }
 328 #ifdef WITH_MQ
 329     OCStackApplicationResult listenMQCallback(void* ctx, OCDoHandle /*handle*/,
 330                                               OCClientResponse* clientResponse)
 331     {
 332         ClientCallbackContext::MQTopicContext* context =
 333             static_cast<ClientCallbackContext::MQTopicContext*>(ctx);
 334
 335         if (!clientResponse || !context)
 336         {
 337             return OC_STACK_DELETE_TRANSACTION;
 338         }
 339
 340         if (clientResponse->result != OC_STACK_OK)
 341         {
 342             oclog() << "listenMQCallback(): failed to create resource. clientResponse: "
 343                     << clientResponse->result
 344                     << std::flush;
 345
 346             std::thread exec(context->callback, clientResponse->result,
 347                              clientResponse->resourceUri, nullptr);
 348             exec.detach();
 349
 350             return OC_STACK_DELETE_TRANSACTION;
 351         }
 352
 353         auto clientWrapper = context->clientWrapper.lock();
 354         if (!clientWrapper)
 355         {
 356             oclog() << "listenMQCallback(): failed to get a shared_ptr to the client wrapper"
 357                     << std::flush;
 358             return OC_STACK_DELETE_TRANSACTION;
 359         }
 360
 361         try{
 362             ListenOCContainer container(clientWrapper, clientResponse->devAddr,
 363                                         (OCRepPayload *) clientResponse->payload);
 364
 365             // loop to ensure valid construction of all resources
 366             for (auto resource : container.Resources())
 367             {
 368                 std::thread exec(context->callback, clientResponse->result,
 369                                  clientResponse->resourceUri, resource);
 370                 exec.detach();
 371             }
 372         }
 373         catch (std::exception &e){
 374             oclog() << "Exception in listCallback, ignoring response: "
 375                     << e.what() << std::flush;
 376         }
 377
 378         return OC_STACK_DELETE_TRANSACTION;
 379     }
 380
 381     OCStackResult InProcClientWrapper::ListenForMQTopic(const OCDevAddr& devAddr,
 382                                                         const std::string& resourceUri,
 383                                                         const QueryParamsMap& queryParams,
 384                                                         const HeaderOptions& headerOptions,
 385                                                         MQTopicCallback& callback,
 386                                                         QualityOfService QoS)
 387     {
 388         oclog() << "ListenForMQTopic()" << std::flush;
 389
 390         if (!callback)
 391         {
 392             return OC_STACK_INVALID_PARAM;
 393         }
 394
 395         ClientCallbackContext::MQTopicContext* context =
 396             new ClientCallbackContext::MQTopicContext(callback, shared_from_this());
 397         OCCallbackData cbdata;
 398         cbdata.context = static_cast<void*>(context),
 399         cbdata.cb      = listenMQCallback;
 400         cbdata.cd      = [](void* c){delete (ClientCallbackContext::MQTopicContext*)c;};
 401
 402         std::string uri = assembleSetResourceUri(resourceUri, queryParams);
 403
 404         OCStackResult result = OC_STACK_ERROR;
 405         auto cLock = m_csdkLock.lock();
 406         if (cLock)
 407         {
 408             std::lock_guard<std::recursive_mutex> lock(*cLock);
 409             OCHeaderOption options[MAX_HEADER_OPTIONS];
 410             result = OCDoResource(
 411                                   nullptr, OC_REST_GET,
 412                                   uri.c_str(),
 413                                   &devAddr, nullptr,
 414                                   CT_DEFAULT,
 415                                   static_cast<OCQualityOfService>(QoS),
 416                                   &cbdata,
 417                                   assembleHeaderOptions(options, headerOptions),
 418                                   headerOptions.size());
 419         }
 420         else
 421         {
 422             delete context;
 423         }
 424
 425         return result;
 426     }
 427 #endif
 428
 429     OCStackApplicationResult listenDeviceCallback(void* ctx,
 430                                                   OCDoHandle /*handle*/,
 431             OCClientResponse* clientResponse)
 432     {
 433         ClientCallbackContext::DeviceListenContext* context =
 434             static_cast<ClientCallbackContext::DeviceListenContext*>(ctx);
 435
 436         try
 437         {
 438             OCRepresentation rep = parseGetSetCallback(clientResponse);
 439             std::thread exec(context->callback, rep);
 440             exec.detach();
 441         }
 442         catch(OC::OCException& e)
 443         {
 444             oclog() <<"Exception in listenDeviceCallback, ignoring response: "
 445                 <<e.what() <<std::flush;
 446         }
 447
 448         return OC_STACK_KEEP_TRANSACTION;
 449     }
 450
 451     OCStackResult InProcClientWrapper::ListenForDevice(
 452             const std::string& serviceUrl,
 453             const std::string& deviceURI,
 454             OCConnectivityType connectivityType,
 455             FindDeviceCallback& callback,
 456             QualityOfService QoS)
 457     {
 458         if (!callback)
 459         {
 460             return OC_STACK_INVALID_PARAM;
 461         }
 462         OCStackResult result;
 463         ostringstream deviceUri;
 464         deviceUri << serviceUrl << deviceURI;
 465
 466         ClientCallbackContext::DeviceListenContext* context =
 467             new ClientCallbackContext::DeviceListenContext(callback, shared_from_this());
 468         OCCallbackData cbdata;
 469
 470         cbdata.context = static_cast<void*>(context),
 471         cbdata.cb      = listenDeviceCallback;
 472         cbdata.cd      = [](void* c){delete (ClientCallbackContext::DeviceListenContext*)c;};
 473
 474         auto cLock = m_csdkLock.lock();
 475         if (cLock)
 476         {
 477             std::lock_guard<std::recursive_mutex> lock(*cLock);
 478             result = OCDoResource(nullptr, OC_REST_DISCOVER,
 479                                   deviceUri.str().c_str(),
 480                                   nullptr, nullptr, connectivityType,
 481                                   static_cast<OCQualityOfService>(QoS),
 482                                   &cbdata,
 483                                   nullptr, 0);
 484         }
 485         else
 486         {
 487             delete context;
 488             result = OC_STACK_ERROR;
 489         }
 490         return result;
 491     }
 492
 493     void parseServerHeaderOptions(OCClientResponse* clientResponse,
 494                     HeaderOptions& serverHeaderOptions)
 495     {
 496         if (clientResponse)
 497         {
 498             // Parse header options from server
 499             uint16_t optionID;
 500             std::string optionData;
 501
 502             for(int i = 0; i < clientResponse->numRcvdVendorSpecificHeaderOptions; i++)
 503             {
 504                 optionID = clientResponse->rcvdVendorSpecificHeaderOptions[i].optionID;
 505                 optionData = reinterpret_cast<const char*>
 506                                 (clientResponse->rcvdVendorSpecificHeaderOptions[i].optionData);
 507                 HeaderOption::OCHeaderOption headerOption(optionID, optionData);
 508                 serverHeaderOptions.push_back(headerOption);
 509             }
 510         }
 511         else
 512         {
 513             // clientResponse is invalid
 514             // TODO check proper logging
 515             std::cout << " Invalid response " << std::endl;
 516         }
 517     }
 518
 519 #ifdef WITH_MQ
 520     OCStackApplicationResult createMQTopicCallback(void* ctx, OCDoHandle /*handle*/,
 521                     OCClientResponse* clientResponse)
 522     {
 523         ClientCallbackContext::MQTopicContext* context =
 524             static_cast<ClientCallbackContext::MQTopicContext*>(ctx);
 525         HeaderOptions serverHeaderOptions;
 526
 527         if (!clientResponse || !context)
 528         {
 529             return OC_STACK_DELETE_TRANSACTION;
 530         }
 531
 532         std::string createdUri;
 533         bool isLocationOption = false;
 534         OCStackResult result = clientResponse->result;
 535         if (OC_STACK_OK               == result ||
 536             OC_STACK_RESOURCE_CREATED == result)
 537         {
 538             parseServerHeaderOptions(clientResponse, serverHeaderOptions);
 539
 540             for (auto headerOption : serverHeaderOptions)
 541             {
 542                 if (HeaderOption::LOCATION_PATH_OPTION_ID == headerOption.getOptionID())
 543                 {
 544                     createdUri += "/";
 545                     createdUri += headerOption.getOptionData();
 546                     if (!isLocationOption)
 547                     {
 548                         isLocationOption = true;
 549                     }
 550                 }
 551             }
 552         }
 553
 554         if (!isLocationOption)
 555         {
 556             createdUri = clientResponse->resourceUri;
 557         }
 558
 559         auto clientWrapper = context->clientWrapper.lock();
 560
 561         if (!clientWrapper)
 562         {
 563             oclog() << "createMQTopicCallback(): failed to get a shared_ptr to the client wrapper"
 564                     << std::flush;
 565             return OC_STACK_DELETE_TRANSACTION;
 566         }
 567
 568         try{
 569             if (OC_STACK_OK               == result ||
 570                 OC_STACK_RESOURCE_CREATED == result)
 571             {
 572                 ListenOCContainer container(clientWrapper, clientResponse->devAddr,
 573                                             createdUri);
 574                 for (auto resource : container.Resources())
 575                 {
 576                     std::thread exec(context->callback, result, createdUri, resource);
 577                     exec.detach();
 578                 }
 579             }
 580             else
 581             {
 582                 std::thread exec(context->callback, result, createdUri, nullptr);
 583                 exec.detach();
 584             }
 585         }
 586         catch (std::exception &e){
 587             oclog() << "Exception in createMQTopicCallback, ignoring response: "
 588                     << e.what() << std::flush;
 589         }
 590         return OC_STACK_DELETE_TRANSACTION;
 591     }
 592
 593     OCStackResult InProcClientWrapper::PutMQTopicRepresentation(
 594                 const OCDevAddr& devAddr,
 595                 const std::string& uri,
 596                 const OCRepresentation& rep,
 597                 const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
 598                 MQTopicCallback& callback, QualityOfService QoS)
 599     {
 600         if (!callback)
 601         {
 602             return OC_STACK_INVALID_PARAM;
 603         }
 604         OCStackResult result;
 605         ClientCallbackContext::MQTopicContext* ctx =
 606                 new ClientCallbackContext::MQTopicContext(callback, shared_from_this());
 607         OCCallbackData cbdata;
 608         cbdata.context = static_cast<void*>(ctx),
 609         cbdata.cb      = createMQTopicCallback;
 610         cbdata.cd      = [](void* c){delete (ClientCallbackContext::MQTopicContext*)c;};
 611
 612         std::string url = assembleSetResourceUri(uri, queryParams);
 613
 614         auto cLock = m_csdkLock.lock();
 615
 616         if (cLock)
 617         {
 618             std::lock_guard<std::recursive_mutex> lock(*cLock);
 619             OCHeaderOption options[MAX_HEADER_OPTIONS];
 620
 621             result = OCDoResource(nullptr, OC_REST_PUT,
 622                                   url.c_str(), &devAddr,
 623                                   assembleSetResourcePayload(rep),
 624                                   CT_DEFAULT,
 625                                   static_cast<OCQualityOfService>(QoS),
 626                                   &cbdata,
 627                                   assembleHeaderOptions(options, headerOptions),
 628                                   headerOptions.size());
 629         }
 630         else
 631         {
 632             delete ctx;
 633             result = OC_STACK_ERROR;
 634         }
 635
 636         return result;
 637     }
 638 #endif
 639     OCStackApplicationResult getResourceCallback(void* ctx,
 640                                                  OCDoHandle /*handle*/,
 641         OCClientResponse* clientResponse)
 642     {
 643         ClientCallbackContext::GetContext* context =
 644             static_cast<ClientCallbackContext::GetContext*>(ctx);
 645
 646         OCRepresentation rep;
 647         HeaderOptions serverHeaderOptions;
 648         OCStackResult result = clientResponse->result;
 649         if (result == OC_STACK_OK)
 650         {
 651             parseServerHeaderOptions(clientResponse, serverHeaderOptions);
 652             try
 653             {
 654                 rep = parseGetSetCallback(clientResponse);
 655             }
 656             catch(OC::OCException& e)
 657             {
 658                 result = e.code();
 659             }
 660         }
 661
 662         std::thread exec(context->callback, serverHeaderOptions, rep, result);
 663         exec.detach();
 664         return OC_STACK_DELETE_TRANSACTION;
 665     }
 666
 667     OCStackResult InProcClientWrapper::GetResourceRepresentation(
 668         const OCDevAddr& devAddr,
 669         const std::string& resourceUri,
 670         const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
 671         OCConnectivityType connectivityType,
 672         GetCallback& callback, QualityOfService QoS)
 673     {
 674         if (!callback)
 675         {
 676             return OC_STACK_INVALID_PARAM;
 677         }
 678         OCStackResult result;
 679         ClientCallbackContext::GetContext* ctx =
 680             new ClientCallbackContext::GetContext(callback);
 681         OCCallbackData cbdata;
 682         cbdata.context = static_cast<void*>(ctx),
 683         cbdata.cb      = getResourceCallback;
 684         cbdata.cd      = [](void* c){delete (ClientCallbackContext::GetContext*)c;};
 685
 686
 687         std::string uri = assembleSetResourceUri(resourceUri, queryParams);
 688
 689         auto cLock = m_csdkLock.lock();
 690
 691         if (cLock)
 692         {
 693             std::lock_guard<std::recursive_mutex> lock(*cLock);
 694             OCHeaderOption options[MAX_HEADER_OPTIONS];
 695
 696             result = OCDoResource(
 697                                   nullptr, OC_REST_GET,
 698                                   uri.c_str(),
 699                                   &devAddr, nullptr,
 700                                   connectivityType,
 701                                   static_cast<OCQualityOfService>(QoS),
 702                                   &cbdata,
 703                                   assembleHeaderOptions(options, headerOptions),
 704                                   headerOptions.size());
 705         }
 706         else
 707         {
 708             delete ctx;
 709             result = OC_STACK_ERROR;
 710         }
 711         return result;
 712     }
 713
 714
 715     OCStackApplicationResult setResourceCallback(void* ctx,
 716                                                  OCDoHandle /*handle*/,
 717         OCClientResponse* clientResponse)
 718     {
 719         ClientCallbackContext::SetContext* context =
 720             static_cast<ClientCallbackContext::SetContext*>(ctx);
 721         OCRepresentation attrs;
 722         HeaderOptions serverHeaderOptions;
 723
 724         OCStackResult result = clientResponse->result;
 725         if (OC_STACK_OK               == result ||
 726             OC_STACK_RESOURCE_CREATED == result ||
 727             OC_STACK_RESOURCE_DELETED == result ||
 728             OC_STACK_RESOURCE_CHANGED == result)
 729         {
 730             parseServerHeaderOptions(clientResponse, serverHeaderOptions);
 731             try
 732             {
 733                 attrs = parseGetSetCallback(clientResponse);
 734             }
 735             catch(OC::OCException& e)
 736             {
 737                 result = e.code();
 738             }
 739         }
 740
 741         std::thread exec(context->callback, serverHeaderOptions, attrs, result);
 742         exec.detach();
 743         return OC_STACK_DELETE_TRANSACTION;
 744     }
 745
 746     std::string InProcClientWrapper::assembleSetResourceUri(std::string uri,
 747         const QueryParamsMap& queryParams)
 748     {
 749         if (!uri.empty())
 750         {
 751             if (uri.back() == '/')
 752             {
 753                 uri.resize(uri.size() - 1);
 754             }
 755         }
 756
 757         ostringstream paramsList;
 758         if (queryParams.size() > 0)
 759         {
 760             paramsList << '?';
 761         }
 762
 763         for (auto& param : queryParams)
 764         {
 765             paramsList << param.first <<'='<<param.second<<';';
 766         }
 767
 768         std::string queryString = paramsList.str();
 769
 770         if (queryString.empty())
 771         {
 772             return uri;
 773         }
 774
 775         if (queryString.back() == ';')
 776         {
 777             queryString.resize(queryString.size() - 1);
 778         }
 779
 780         std::string ret = uri + queryString;
 781         return ret;
 782     }
 783
 784     std::string InProcClientWrapper::assembleSetResourceUri(std::string uri,
 785         const QueryParamsList& queryParams)
 786     {
 787         if (!uri.empty())
 788         {
 789             if (uri.back() == '/')
 790             {
 791                 uri.resize(uri.size() - 1);
 792             }
 793         }
 794
 795         ostringstream paramsList;
 796         if (queryParams.size() > 0)
 797         {
 798             paramsList << '?';
 799         }
 800
 801         for (auto& param : queryParams)
 802         {
 803             for (auto& paramList : param.second)
 804             {
 805                 paramsList << param.first << '=' << paramList;
 806                 if (paramList != param.second.back())
 807                 {
 808                     paramsList << '&';
 809                 }
 810             }
 811             paramsList << ';';
 812         }
 813
 814         std::string queryString = paramsList.str();
 815
 816         if (queryString.empty())
 817         {
 818             return uri;
 819         }
 820
 821         if (queryString.back() == ';')
 822         {
 823             queryString.resize(queryString.size() - 1);
 824         }
 825
 826         std::string ret = uri + queryString;
 827         return ret;
 828     }
 829
 830     OCPayload* InProcClientWrapper::assembleSetResourcePayload(const OCRepresentation& rep)
 831     {
 832         MessageContainer ocInfo;
 833         ocInfo.addRepresentation(rep);
 834         for(const OCRepresentation& r : rep.getChildren())
 835         {
 836             ocInfo.addRepresentation(r);
 837         }
 838
 839         return reinterpret_cast<OCPayload*>(ocInfo.getPayload());
 840     }
 841
 842     OCStackResult InProcClientWrapper::PostResourceRepresentation(
 843         const OCDevAddr& devAddr,
 844         const std::string& uri,
 845         const OCRepresentation& rep,
 846         const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
 847         OCConnectivityType connectivityType,
 848         PostCallback& callback, QualityOfService QoS)
 849     {
 850         if (!callback)
 851         {
 852             return OC_STACK_INVALID_PARAM;
 853         }
 854         OCStackResult result;
 855         ClientCallbackContext::SetContext* ctx = new ClientCallbackContext::SetContext(callback);
 856         OCCallbackData cbdata;
 857         cbdata.context = static_cast<void*>(ctx),
 858         cbdata.cb      = setResourceCallback;
 859         cbdata.cd      = [](void* c){delete (ClientCallbackContext::SetContext*)c;};
 860
 861
 862         std::string url = assembleSetResourceUri(uri, queryParams);
 863
 864         auto cLock = m_csdkLock.lock();
 865
 866         if (cLock)
 867         {
 868             std::lock_guard<std::recursive_mutex> lock(*cLock);
 869             OCHeaderOption options[MAX_HEADER_OPTIONS];
 870
 871             result = OCDoResource(nullptr, OC_REST_POST,
 872                                   url.c_str(), &devAddr,
 873                                   assembleSetResourcePayload(rep),
 874                                   connectivityType,
 875                                   static_cast<OCQualityOfService>(QoS),
 876                                   &cbdata,
 877                                   assembleHeaderOptions(options, headerOptions),
 878                                   headerOptions.size());
 879         }
 880         else
 881         {
 882             delete ctx;
 883             result = OC_STACK_ERROR;
 884         }
 885
 886         return result;
 887     }
 888
 889     OCStackResult InProcClientWrapper::PutResourceRepresentation(
 890         const OCDevAddr& devAddr,
 891         const std::string& uri,
 892         const OCRepresentation& rep,
 893         const QueryParamsMap& queryParams, const HeaderOptions& headerOptions,
 894         PutCallback& callback, QualityOfService QoS)
 895     {
 896         if (!callback)
 897         {
 898             return OC_STACK_INVALID_PARAM;
 899         }
 900         OCStackResult result;
 901         ClientCallbackContext::SetContext* ctx = new ClientCallbackContext::SetContext(callback);
 902         OCCallbackData cbdata;
 903         cbdata.context = static_cast<void*>(ctx),
 904         cbdata.cb      = setResourceCallback;
 905         cbdata.cd      = [](void* c){delete (ClientCallbackContext::SetContext*)c;};
 906
 907
 908         std::string url = assembleSetResourceUri(uri, queryParams).c_str();
 909
 910         auto cLock = m_csdkLock.lock();
 911
 912         if (cLock)
 913         {
 914             std::lock_guard<std::recursive_mutex> lock(*cLock);
 915             OCDoHandle handle;
 916             OCHeaderOption options[MAX_HEADER_OPTIONS];
 917
 918             result = OCDoResource(&handle, OC_REST_PUT,
 919                                   url.c_str(), &devAddr,
 920                                   assembleSetResourcePayload(rep),
 921                                   CT_DEFAULT,
 922                                   static_cast<OCQualityOfService>(QoS),
 923                                   &cbdata,
 924                                   assembleHeaderOptions(options, headerOptions),
 925                                   headerOptions.size());
 926         }
 927         else
 928         {
 929             delete ctx;
 930             result = OC_STACK_ERROR;
 931         }
 932
 933         return result;
 934     }
 935
 936     OCStackApplicationResult deleteResourceCallback(void* ctx,
 937                                                     OCDoHandle /*handle*/,
 938         OCClientResponse* clientResponse)
 939     {
 940         ClientCallbackContext::DeleteContext* context =
 941             static_cast<ClientCallbackContext::DeleteContext*>(ctx);
 942         HeaderOptions serverHeaderOptions;
 943
 944         if (clientResponse->result == OC_STACK_OK)
 945         {
 946             parseServerHeaderOptions(clientResponse, serverHeaderOptions);
 947         }
 948         std::thread exec(context->callback, serverHeaderOptions, clientResponse->result);
 949         exec.detach();
 950         return OC_STACK_DELETE_TRANSACTION;
 951     }
 952
 953     OCStackResult InProcClientWrapper::DeleteResource(
 954         const OCDevAddr& devAddr,
 955         const std::string& uri,
 956         const HeaderOptions& headerOptions,
 957         OCConnectivityType connectivityType,
 958         DeleteCallback& callback,
 959         QualityOfService /*QoS*/)
 960     {
 961         if (!callback)
 962         {
 963             return OC_STACK_INVALID_PARAM;
 964         }
 965         OCStackResult result;
 966         ClientCallbackContext::DeleteContext* ctx =
 967             new ClientCallbackContext::DeleteContext(callback);
 968         OCCallbackData cbdata;
 969         cbdata.context = static_cast<void*>(ctx),
 970         cbdata.cb      = deleteResourceCallback;
 971         cbdata.cd      = [](void* c){delete (ClientCallbackContext::DeleteContext*)c;};
 972
 973
 974         auto cLock = m_csdkLock.lock();
 975
 976         if (cLock)
 977         {
 978             OCHeaderOption options[MAX_HEADER_OPTIONS];
 979
 980             std::lock_guard<std::recursive_mutex> lock(*cLock);
 981
 982             result = OCDoResource(nullptr, OC_REST_DELETE,
 983                                   uri.c_str(), &devAddr,
 984                                   nullptr,
 985                                   connectivityType,
 986                                   static_cast<OCQualityOfService>(m_cfg.QoS),
 987                                   &cbdata,
 988                                   assembleHeaderOptions(options, headerOptions),
 989                                   headerOptions.size());
 990         }
 991         else
 992         {
 993             delete ctx;
 994             result = OC_STACK_ERROR;
 995         }
 996
 997         return result;
 998     }
 999
1000     OCStackApplicationResult observeResourceCallback(void* ctx,
1001                                                      OCDoHandle /*handle*/,
1002         OCClientResponse* clientResponse)
1003     {
1004         ClientCallbackContext::ObserveContext* context =
1005             static_cast<ClientCallbackContext::ObserveContext*>(ctx);
1006         OCRepresentation attrs;
1007         HeaderOptions serverHeaderOptions;
1008         uint32_t sequenceNumber = clientResponse->sequenceNumber;
1009         OCStackResult result = clientResponse->result;
1010         if (clientResponse->result == OC_STACK_OK)
1011         {
1012             parseServerHeaderOptions(clientResponse, serverHeaderOptions);
1013             try
1014             {
1015                 attrs = parseGetSetCallback(clientResponse);
1016             }
1017             catch(OC::OCException& e)
1018             {
1019                 result = e.code();
1020             }
1021         }
1022         std::thread exec(context->callback, serverHeaderOptions, attrs,
1023                     result, sequenceNumber);
1024         exec.detach();
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 << OCF_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 }