service/things-manager/sdk/src/GroupManager.cpp

   1 //******************************************************************
   2 //
   3 // Copyright 2014 Samsung Electronics All Rights Reserved.
   4 //
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   6 //
   7 // Licensed under the Apache License, Version 2.0 (the "License");
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   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 /// @file    GroupManager.cpp
  22 ///  @brief
  23
  24 #include "GroupManager.h"
  25 #include <algorithm>
  26 #include <thread>
  27 #include <unistd.h>
  28
  29 #include <string.h>
  30
  31 #define PLAIN_DELIMITER "\""
  32 #define ACTION_DELIMITER "*"
  33 #define DESC_DELIMITER "|"
  34 #define ATTR_DELIMITER "="
  35
  36 using namespace OC;
  37
  38 namespace OIC
  39 {
  40 std::map< std::vector< std::string >, CandidateCallback > candidateRequest;
  41 std::map< std::vector< std::string >, CandidateCallback > candidateRequestForTimer;
  42 std::map< std::string, std::map< std::string, std::shared_ptr< OCResource > > > rtForResourceList;
  43 std::vector< std::string > allFoundResourceTypes;
  44
  45 template< typename T >
  46 bool IsSubset(std::vector< T > full, std::vector< T > sub)
  47 {
  48     std::sort(full.begin(), full.end());
  49     std::sort(sub.begin(), sub.end());
  50     return std::includes(full.begin(), full.end(), sub.begin(), sub.end());
  51 }
  52 std::vector< std::string > &str_split(const std::string &s, char delim,
  53         std::vector< std::string > &elems)
  54 {
  55     std::stringstream ss(s);
  56     std::string item;
  57     while (std::getline(ss, item, delim))
  58     {
  59         elems.push_back(item);
  60     }
  61     return elems;
  62 }
  63
  64 std::vector< std::string > str_split(const std::string &s, char delim)
  65 {
  66     std::vector< std::string > elems;
  67     str_split(s, delim, elems);
  68     return elems;
  69 }
  70
  71 void GroupManager::onFoundResource(std::shared_ptr< OCResource > resource, int waitsec)
  72 {
  73
  74     std::string resourceURI;
  75     std::string hostAddress;
  76     try
  77     {
  78         // Do some operations with resource object.
  79         if (resource)
  80         {
  81
  82             std::cout << "DISCOVERED Resource:" << std::endl;
  83             // Get the resource URI
  84             resourceURI = resource->uri();
  85             std::cout << "\tURI of the resource: " << resourceURI << std::endl;
  86
  87             // Get the resource host address
  88             hostAddress = resource->host();
  89             std::cout << "\tHost address of the resource: " << hostAddress << std::endl;
  90
  91             // Get the resource types
  92             std::cout << "\tList of resource types: " << std::endl;
  93
  94             hostAddress.append(resourceURI);
  95
  96             for (auto &resourceTypes : resource->getResourceTypes())
  97             {
  98                 std::cout << "\t\t" << resourceTypes << std::endl;
  99
 100                 if (std::find(allFoundResourceTypes.begin(), allFoundResourceTypes.end(),
 101                         resourceTypes) == allFoundResourceTypes.end())
 102                 {
 103                     allFoundResourceTypes.push_back(resourceTypes);
 104                 }
 105
 106                 rtForResourceList[resourceTypes][hostAddress] = resource;
 107             }
 108
 109             // Get the resource interfaces
 110             std::cout << "\tList of resource interfaces: " << std::endl;
 111             for (auto &resourceInterfaces : resource->getResourceInterfaces())
 112             {
 113                 std::cout << "\t\t" << resourceInterfaces << std::endl;
 114             }
 115
 116             if (waitsec == -1)
 117             {
 118                 findPreparedRequest(candidateRequest);
 119             }
 120         }
 121         else
 122         {
 123             // Resource is invalid
 124             std::cout << "Resource is invalid" << std::endl;
 125         }
 126
 127     }
 128     catch (std::exception& e)
 129     {
 130         //log(e.what());
 131     }
 132 }
 133
 134 GroupManager::GroupManager(void)
 135 {
 136     ;
 137 }
 138
 139 /**
 140  * Virtual destructor
 141  */
 142 GroupManager::~GroupManager(void)
 143 {
 144     candidateRequest.clear();
 145     candidateRequestForTimer.clear();
 146     rtForResourceList.clear();
 147     allFoundResourceTypes.clear();
 148 }
 149
 150 void GroupManager::findPreparedRequest(
 151         std::map< std::vector< std::string >, CandidateCallback > &request)
 152 {
 153     std::vector< std::shared_ptr< OCResource > > resources;
 154
 155     for (auto it = request.begin(); it != request.end();)
 156     {
 157
 158         if (IsSubset(allFoundResourceTypes, it->first))
 159         {
 160             //std::cout << "IS SUBSET !!! \n";
 161
 162             for (unsigned int i = 0; i < it->first.size(); ++i)
 163             {
 164
 165                 for (auto secondIt = rtForResourceList[it->first.at(i)].begin();
 166                         secondIt != rtForResourceList[it->first.at(i)].end(); ++secondIt)
 167                 {
 168                     resources.push_back(secondIt->second);
 169                 }
 170             }
 171
 172             it->second(resources);
 173
 174             //TODO : decide policy - callback only once
 175             request.erase(it++);
 176         }
 177         else
 178         {
 179             ++it;
 180         }
 181
 182     }
 183
 184 }
 185
 186 void GroupManager::lazyCallback(int second)
 187 {
 188     sleep(second);
 189     findPreparedRequest(candidateRequestForTimer);
 190
 191 }
 192
 193 OCStackResult GroupManager::findCandidateResources(std::vector< std::string > resourceTypes,
 194         CandidateCallback callback, int waitsec)
 195 {
 196     if (resourceTypes.size() < 1)
 197     {
 198         return OC_STACK_ERROR;
 199     }
 200     if(callback == NULL)
 201     {
 202         return OC_STACK_ERROR;
 203     }
 204
 205     std::sort(resourceTypes.begin(), resourceTypes.end());
 206     resourceTypes.erase(std::unique(resourceTypes.begin(), resourceTypes.end()),
 207             resourceTypes.end());
 208
 209     if (waitsec >= 0)
 210     {
 211         candidateRequestForTimer.insert(std::make_pair(resourceTypes, callback));
 212     }
 213     else
 214     {
 215         candidateRequest.insert(std::make_pair(resourceTypes, callback));
 216     }
 217
 218     for (unsigned int i = 0; i < resourceTypes.size(); ++i)
 219     {
 220         std::cout << "resourceTypes : " << resourceTypes.at(i) << std::endl;
 221         std::string query = "coap://224.0.1.187/oc/core?rt=";
 222         query.append(resourceTypes.at(i));
 223         OCPlatform::findResource("", query.c_str(),
 224                 std::function < void(std::shared_ptr < OCResource > resource)
 225                         > (std::bind(&GroupManager::onFoundResource, this,
 226                                 std::placeholders::_1, waitsec)));
 227     }
 228
 229     if (waitsec >= 0)
 230     {
 231         std::thread exec(
 232                 std::function< void(int second) >(
 233                         std::bind(&GroupManager::lazyCallback, this, std::placeholders::_1)),
 234                 waitsec);
 235         exec.detach();
 236     }
 237
 238     return OC_STACK_OK;
 239 }
 240
 241
 242 OCStackResult GroupManager::bindResourceToGroup(OCResourceHandle& childHandle, std::shared_ptr< OCResource > resource, OCResourceHandle& collectionHandle)
 243 {
 244
 245     OCStackResult result = OCPlatform::registerResource(childHandle, resource);
 246
 247     cout << "\tresource registed!" << endl;
 248
 249     if(result == OC_STACK_OK)
 250     {
 251         OCPlatform::bindResource(collectionHandle, childHandle);
 252     }
 253     else
 254     {
 255         cout << "\tresource Error!" << endl;
 256     }
 257
 258     return result;
 259  }
 260
 261
 262
 263 /*
 264  Presence Check
 265  */
 266
 267 std::map< std::string, CollectionPresenceCallback > presenceCallbacks;
 268
 269 // Callback to presence
 270 void GroupManager::collectionPresenceHandler(OCStackResult result, const unsigned int nonce,
 271         const std::string& hostAddress, std::string host, std::string uri)
 272 {
 273     std::cout << "uri : " << uri << std::endl;
 274     std::cout << "host : " << host << std::endl;
 275     std::cout << "result : " << result << std::endl;
 276     switch (result)
 277     {
 278         case OC_STACK_OK:
 279             std::cout << "Nonce# " << nonce << std::endl;
 280             break;
 281         case OC_STACK_PRESENCE_STOPPED:
 282             std::cout << "Presence Stopped\n";
 283             break;
 284         case OC_STACK_PRESENCE_DO_NOT_HANDLE:
 285             std::cout << "Presence do not handle\n";
 286             break;
 287         case OC_STACK_PRESENCE_TIMEOUT:
 288             std::cout << "Presence TIMEOUT\n";
 289             break;
 290         default:
 291             std::cout << "Error\n";
 292             break;
 293     }
 294
 295     if (presenceCallbacks.find(uri) != presenceCallbacks.end())
 296     {
 297         (presenceCallbacks.find(uri)->second)(uri, result);
 298     }
 299 }
 300
 301 void GroupManager::checkCollectionRepresentation(const OCRepresentation& rep,
 302         CollectionPresenceCallback callback)
 303 {
 304     std::cout << "\tResource URI: " << rep.getUri() << std::endl;
 305
 306     /* //bug not found
 307      if(rep.hasAttribute("name"))
 308      {
 309      std::cout << "\tRoom name: " << rep.getValue<std::string>("name") << std::endl;
 310      }
 311      */
 312     std::vector< OCRepresentation > children = rep.getChildren();
 313
 314     if(children.size() == 0 )
 315     {
 316         callback("", OC_STACK_ERROR);
 317         return;
 318     }
 319
 320     for (auto oit = children.begin(); oit != children.end(); ++oit)
 321     {
 322         std::cout << "\t\tChild Resource URI: " << oit->getUri() << std::endl;
 323         std::vector< std::string > hostAddressVector = str_split(oit->getUri(), '/');
 324         std::string hostAddress = "";
 325         for (unsigned int i = 0; i < hostAddressVector.size(); ++i)
 326         {
 327             if (i < 3)
 328             {
 329                 hostAddress.append(hostAddressVector.at(i));
 330                 if (i != 2)
 331                 {
 332                     hostAddress.append("/");
 333                 }
 334             }
 335         }
 336
 337         std::vector< std::string > resourceTypes = oit->getResourceTypes();
 338         for (unsigned int i = 0; i < resourceTypes.size(); ++i)
 339         {
 340             std::cout << "\t\t\tresourcetype :" << resourceTypes.at(i) << std::endl;
 341         }
 342
 343         std::string resourceType = "core.";
 344         resourceType.append(str_split(oit->getUri(), '/').at(4));
 345         std::cout << "\t\tconvertRT : " << resourceType << std::endl;
 346         std::cout << "\t\thost : " << hostAddress << std::endl;
 347         OCPlatform::OCPresenceHandle presenceHandle;
 348         OCStackResult result = OCPlatform::subscribePresence(presenceHandle, hostAddress,
 349                 resourceType,
 350                 std::function<
 351                         void(OCStackResult result, const unsigned int nonce,
 352                                 const std::string& hostAddress) >(
 353                         std::bind(&GroupManager::collectionPresenceHandler, this,
 354                                 std::placeholders::_1, std::placeholders::_2,
 355                                 std::placeholders::_3, hostAddress, oit->getUri())));
 356
 357         if (result == OC_STACK_OK)
 358         {
 359             std::cout << "\t\tOK!" << std::endl;
 360             presenceCallbacks.insert(std::make_pair(oit->getUri(), callback));
 361         }
 362         else
 363         {
 364             callback("", OC_STACK_ERROR);
 365         }
 366
 367     }
 368 }
 369
 370 void GroupManager::onGetForPresence(const HeaderOptions& headerOptions,
 371         const OCRepresentation& rep, const int eCode, CollectionPresenceCallback callback)
 372 {
 373     if (eCode == OC_STACK_OK)
 374     {
 375         std::cout << "GET request was successful" << std::endl;
 376         std::cout << "Resource URI: " << rep.getUri() << std::endl;
 377
 378         checkCollectionRepresentation(rep, callback);
 379
 380     }
 381     else
 382     {
 383         std::cout << "onGET Response error: " << eCode << std::endl;
 384         callback("", OC_STACK_ERROR);
 385         std::exit(-1);
 386     }
 387 }
 388
 389 OCStackResult GroupManager::subscribeCollectionPresence(
 390         std::shared_ptr< OCResource > collectionResource, CollectionPresenceCallback callback)
 391 {
 392     if(callback == NULL || collectionResource == NULL)
 393     {
 394         return OC_STACK_ERROR;
 395     }
 396
 397     OCStackResult result = OC_STACK_OK;
 398     //callback("core.room",OC_STACK_OK);
 399
 400     QueryParamsMap queryParam;
 401
 402     //parameter 1 = resourceType
 403     collectionResource->get("", DEFAULT_INTERFACE, queryParam,
 404             std::function<
 405                     void(const HeaderOptions& headerOptions, const OCRepresentation& rep,
 406                             const int eCode) >(
 407                     std::bind(&GroupManager::onGetForPresence, this, std::placeholders::_1,
 408                             std::placeholders::_2, std::placeholders::_3, callback)));
 409
 410     return result;
 411 }
 412
 413 /*
 414  Group Action
 415  */
 416
 417 std::string GroupManager::getStringFromActionSet(const ActionSet *newActionSet)
 418 {
 419     std::string message = "";
 420
 421     message = newActionSet->actionsetName;
 422     message.append("*");
 423     for (auto iterAction = newActionSet->listOfAction.begin();
 424             iterAction != newActionSet->listOfAction.end(); iterAction++)
 425     {
 426         message.append("uri=");
 427         message.append((*iterAction)->target);
 428         message.append("|");
 429
 430         for (auto iterCapa = (*iterAction)->listOfCapability.begin();
 431                 iterCapa != (*iterAction)->listOfCapability.end(); iterCapa++)
 432         {
 433             message.append((*iterCapa)->capability);
 434             message.append("=");
 435             message.append((*iterCapa)->status);
 436
 437             if (iterCapa + 1 != (*iterAction)->listOfCapability.end())
 438                 message.append("|");
 439         }
 440
 441         if (iterAction + 1 != newActionSet->listOfAction.end())
 442         {
 443             message.append("*");
 444         }
 445     }
 446
 447     return message;
 448 }
 449
 450 ActionSet* GroupManager::getActionSetfromString(std::string desc)
 451 {
 452
 453     char *token = NULL;
 454     char *plainText = NULL;
 455     char *plainPtr = NULL;
 456
 457     ActionSet *actionset = new ActionSet();
 458     plainText = new char[(desc.length() + 1)];
 459     strcpy(plainText, desc.c_str());
 460
 461     token = strtok_r(plainText, ACTION_DELIMITER, &plainPtr);
 462
 463     if (token != NULL)
 464     {
 465         actionset->actionsetName = std::string(token);
 466         token = strtok_r(NULL, ACTION_DELIMITER, &plainPtr);
 467     }
 468     else
 469     {
 470         delete actionset;
 471         delete[] plainText;
 472         return NULL;
 473     }
 474
 475     while (token)
 476     {
 477         char *descPtr = NULL;
 478         char *desc = new char[(strlen(token) + 1)];
 479
 480         if (desc != NULL)
 481         {
 482             Action *action = NULL;
 483             strcpy(desc, token);
 484             token = strtok_r(desc, DESC_DELIMITER, &descPtr);
 485
 486             // cout << "desc :: " << token << endl;
 487             while (token != NULL)
 488             {
 489                 char *attrPtr = NULL;
 490                 char *attr = new char[(strlen(token) + 1)];
 491
 492                 strcpy(attr, token);
 493
 494                 // cout << "attr :: " << attr << endl;
 495
 496                 token = strtok_r(attr, ATTR_DELIMITER, &attrPtr);
 497                 while (token != NULL)
 498                 {
 499                     if (strcmp(token, "uri") == 0)
 500                     {
 501                         token = strtok_r(NULL, ATTR_DELIMITER, &attrPtr);
 502                         action = new Action();
 503
 504                         if (action != NULL)
 505                         {
 506                             action->target = std::string(token);
 507                         }
 508                         else
 509                         {
 510                             delete actionset;
 511                             delete[] attr;
 512                             delete desc;
 513                             delete[] plainText;
 514                             return NULL;
 515                         }
 516                     }
 517                     else
 518                     {
 519                         Capability *capa = new Capability();
 520                         capa->capability = std::string(token);
 521                         token = strtok_r(NULL, ATTR_DELIMITER, &attrPtr);
 522                         capa->status = std::string(token);
 523
 524                         if (action != NULL)
 525                         {
 526                             action->listOfCapability.push_back(capa);
 527                         }
 528                         else
 529                         {
 530                             delete capa;
 531                             delete actionset;
 532                             delete[] attr;
 533                             delete[] plainText;
 534                             delete desc;
 535                             return NULL;
 536                         }
 537                     }
 538
 539                     token = strtok_r(NULL, ATTR_DELIMITER, &attrPtr);
 540                 }
 541
 542                 delete[] attr;
 543                 token = strtok_r(NULL, DESC_DELIMITER, &descPtr);
 544             }
 545
 546             actionset->listOfAction.push_back(action);
 547             //delete action;
 548         }
 549         else
 550         {
 551             delete actionset;
 552             delete[] plainText;
 553             return NULL;
 554         }
 555
 556         delete[] desc;
 557
 558         token = strtok_r(NULL, ACTION_DELIMITER, &plainPtr);
 559     }
 560
 561     delete plainText;
 562     return actionset;
 563 }
 564
 565 OCStackResult GroupManager::addActionSet(std::shared_ptr< OCResource > resource,
 566         const ActionSet* newActionSet, PutCallback cb)
 567 {
 568     // BUILD message of ActionSet which it is included delimiter.
 569     if ((resource != NULL) && (newActionSet != NULL))
 570     {
 571         std::string message = getStringFromActionSet(newActionSet);
 572         OCRepresentation rep;
 573
 574         rep.setValue("ActionSet", message);
 575
 576         return resource->put(resource->getResourceTypes().front(), GROUP_INTERFACE, rep,
 577                 QueryParamsMap(), cb);
 578     }
 579     else
 580     {
 581         return OC_STACK_ERROR;
 582     }
 583 }
 584
 585 OCStackResult GroupManager::executeActionSet(std::shared_ptr< OCResource > resource,
 586         std::string actionsetName, PostCallback cb)
 587 {
 588     if (resource != NULL)
 589     {
 590         OCRepresentation rep;
 591
 592         rep.setValue("DoAction", actionsetName);
 593         return resource->post(resource->getResourceTypes().front(), GROUP_INTERFACE, rep,
 594                 QueryParamsMap(), cb);
 595     }
 596     else
 597     {
 598         return OC_STACK_ERROR;
 599     }
 600 }
 601
 602 OCStackResult GroupManager::getActionSet(std::shared_ptr< OCResource > resource,
 603         std::string actionsetName, PostCallback cb)
 604 {
 605     if (resource != NULL)
 606     {
 607         OCRepresentation rep;
 608
 609         rep.setValue("GetActionSet", actionsetName);
 610
 611         return resource->post(resource->getResourceTypes().front(), GROUP_INTERFACE, rep,
 612                 QueryParamsMap(), cb);
 613     }
 614     else
 615     {
 616         return OC_STACK_ERROR;
 617     }
 618 }
 619
 620 OCStackResult GroupManager::deleteActionSet(std::shared_ptr< OCResource > resource,
 621         std::string actionsetName, PutCallback cb)
 622 {
 623     if (resource != NULL)
 624     {
 625         OCRepresentation rep;
 626
 627         rep.setValue("DelActionSet", actionsetName);
 628
 629         return resource->put(resource->getResourceTypes().front(), GROUP_INTERFACE, rep,
 630                 QueryParamsMap(), cb);
 631     }
 632     else
 633     {
 634         return OC_STACK_ERROR;
 635     }
 636 }
 637 }