service/resource-container/src/ResourceContainerImpl.cpp

   1 //******************************************************************
   2 //
   3 // Copyright 2015 Samsung Electronics All Rights Reserved.
   4 //
   5 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
   6 //
   7 // Licensed under the Apache License, Version 2.0 (the "License");
   8 // you may not use this file except in compliance with the License.
   9 // You may obtain a copy of the License at
  10 //
  11 //      http://www.apache.org/licenses/LICENSE-2.0
  12 //
  13 // Unless required by applicable law or agreed to in writing, software
  14 // distributed under the License is distributed on an "AS IS" BASIS,
  15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 // See the License for the specific language governing permissions and
  17 // limitations under the License.
  18 //
  19 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  20
  21 #include "ResourceContainerImpl.h"
  22
  23 #include <dlfcn.h>
  24 #include <unistd.h>
  25 #include <string.h>
  26 #include <fstream>
  27 #include <iostream>
  28 #include <stdio.h>
  29 #include <thread>
  30 #include <mutex>
  31 #include <algorithm>
  32
  33 #include "BundleActivator.h"
  34 #include "SoftSensorResource.h"
  35 #include "InternalTypes.h"
  36
  37 using namespace OIC::Service;
  38 using namespace std;
  39
  40 namespace OIC
  41 {
  42     namespace Service
  43     {
  44         ResourceContainerImpl::ResourceContainerImpl()
  45         {
  46             m_config = nullptr;
  47         }
  48
  49         ResourceContainerImpl::~ResourceContainerImpl()
  50         {
  51             m_config = nullptr;
  52         }
  53
  54         bool has_suffix(const std::string &str, const std::string &suffix)
  55         {
  56             return str.size() >= suffix.size()
  57                    && str.compare(str.size() - suffix.size(), suffix.size(), suffix) == 0;
  58         }
  59
  60         void ResourceContainerImpl::startContainer(const std::string &configFile)
  61         {
  62             OC_LOG(INFO, CONTAINER_TAG, "Starting resource container.");
  63 #if (JAVA_SUPPORT)
  64             OC_LOG(INFO, CONTAINER_TAG, "Resource container has Java support.");
  65 #else
  66             OC_LOG(INFO, CONTAINER_TAG, "Resource container without Java support.");
  67 #endif
  68
  69
  70             activationLock.lock();
  71             if (!configFile.empty())
  72             {
  73                 m_config = new Configuration(configFile);
  74
  75                 if (m_config->isLoaded())
  76                 {
  77                     configInfo bundles;
  78                     m_config->getConfiguredBundles(&bundles);
  79
  80                     for (unsigned int i = 0; i < bundles.size(); i++)
  81                     {
  82                         BundleInfoInternal *bundleInfo = new BundleInfoInternal();
  83                         bundleInfo->setPath(bundles[i][BUNDLE_PATH]);
  84                         bundleInfo->setVersion(bundles[i][BUNDLE_VERSION]);
  85                         bundleInfo->setID(bundles[i][BUNDLE_ID]);
  86                         if (!bundles[i][BUNDLE_ACTIVATOR].empty())
  87                         {
  88                             string activatorName = bundles[i][BUNDLE_ACTIVATOR];
  89                             std::replace(activatorName.begin(), activatorName.end(), '.', '/');
  90                             ((BundleInfoInternal *) bundleInfo)->setActivatorName(activatorName);
  91                             ((BundleInfoInternal *) bundleInfo)->setLibraryPath(
  92                                 bundles[i][BUNDLE_LIBRARY_PATH]);
  93                         }
  94
  95                         OC_LOG_V(INFO, CONTAINER_TAG, "Init Bundle:(%s)",
  96                                  std::string(bundles[i][BUNDLE_ID] + ";" +
  97                                              bundles[i][BUNDLE_PATH]).c_str());
  98
  99                         registerBundle(bundleInfo);
 100                         activateBundle(bundleInfo);
 101                     }
 102                 }
 103                 else
 104                 {
 105                     OC_LOG_V(ERROR, CONTAINER_TAG, "Container started with invalid configfile path.");
 106                 }
 107             }
 108             else
 109             {
 110                 OC_LOG_V(INFO, CONTAINER_TAG, "No configuration file for the container provided.");
 111             }
 112
 113             map<std::string, boost::thread >::iterator activatorIterator;
 114
 115             for (activatorIterator = m_activators.begin(); activatorIterator != m_activators.end();
 116                  activatorIterator++)
 117             {
 118                 activatorIterator->second.timed_join(
 119                     boost::posix_time::seconds(BUNDLE_ACTIVATION_WAIT_SEC));
 120                 // wait for bundles to be activated
 121             }
 122             activationLock.unlock();
 123         }
 124
 125         void ResourceContainerImpl::stopContainer()
 126         {
 127             OC_LOG(INFO, CONTAINER_TAG, "Stopping resource container.");
 128
 129             for (std::map< std::string, BundleInfoInternal * >::iterator it = m_bundles.begin();
 130                  it != m_bundles.end(); ++it)
 131             {
 132                 BundleInfoInternal *bundleInfo = it->second;
 133                 deactivateBundle(bundleInfo);
 134                 unregisterBundle(bundleInfo);
 135             }
 136
 137             if (!m_mapServers.empty())
 138             {
 139                 map< std::string, RCSResourceObject::Ptr >::iterator itor = m_mapServers.begin();
 140
 141                 while (itor != m_mapServers.end())
 142                 {
 143                     (itor++)->second.reset();
 144                 }
 145
 146                 m_mapResources.clear();
 147                 m_mapBundleResources.clear();
 148             }
 149
 150             if (m_config)
 151                 delete m_config;
 152         }
 153
 154         void ResourceContainerImpl::activateBundle(RCSBundleInfo *bundleInfo)
 155         {
 156             activationLock.lock();
 157             BundleInfoInternal *bundleInfoInternal = (BundleInfoInternal *) bundleInfo;
 158
 159             if (bundleInfoInternal->isLoaded())
 160             {
 161                 activateBundle(bundleInfo->getID());
 162             }
 163             activationLock.unlock();
 164         }
 165
 166         void ResourceContainerImpl::deactivateBundle(RCSBundleInfo *bundleInfo)
 167         {
 168             if (((BundleInfoInternal *) bundleInfo)->isActivated())
 169             {
 170                 deactivateBundle(bundleInfo->getID());
 171             }
 172         }
 173
 174         void ResourceContainerImpl::activateBundle(const std::string &id)
 175         {
 176             OC_LOG_V(INFO, CONTAINER_TAG, "Activating bundle: (%s)",
 177                      std::string(m_bundles[id]->getID()).c_str());
 178             activationLock.lock();
 179             auto f = std::bind(&ResourceContainerImpl::activateBundleThread, this,
 180                                id);
 181             boost::thread activator(f);
 182             activator.timed_join(boost::posix_time::seconds(BUNDLE_SET_GET_WAIT_SEC));
 183             activationLock.unlock();
 184             OC_LOG_V(INFO, CONTAINER_TAG, "Bundle activated: (%s)",
 185                      std::string(m_bundles[id]->getID()).c_str());
 186         }
 187
 188         void ResourceContainerImpl::deactivateBundle(const std::string &id)
 189         {
 190             if (m_bundles[id]->getJavaBundle())
 191             {
 192 #if(JAVA_SUPPORT)
 193                 deactivateJavaBundle(id);
 194 #endif
 195             }
 196             else
 197             {
 198                 deactivateSoBundle(id);
 199             }
 200         }
 201
 202         // loads the bundle
 203         void ResourceContainerImpl::registerBundle(RCSBundleInfo *bundleInfo)
 204         {
 205             OC_LOG_V(INFO, CONTAINER_TAG, "Registering bundle: (%s)",
 206                      std::string(bundleInfo->getPath()).c_str());
 207
 208             if (has_suffix(bundleInfo->getPath(), ".jar"))
 209             {
 210 #if(JAVA_SUPPORT)
 211                 ((BundleInfoInternal *) bundleInfo)->setJavaBundle(true);
 212                 registerJavaBundle(bundleInfo);
 213 #endif
 214             }
 215             else
 216             {
 217                 ((BundleInfoInternal *) bundleInfo)->setJavaBundle(false);
 218                 registerSoBundle(bundleInfo);
 219             }
 220         }
 221
 222         void ResourceContainerImpl::unregisterBundle(RCSBundleInfo *bundleInfo)
 223         {
 224             BundleInfoInternal *bundleInfoInternal = (BundleInfoInternal *) bundleInfo;
 225             if (bundleInfoInternal->isLoaded() && !bundleInfoInternal->isActivated())
 226             {
 227                 if (!bundleInfoInternal->getJavaBundle())
 228                 {
 229                     unregisterBundleSo(bundleInfo->getID());
 230                 }
 231                 else
 232                 {
 233 #if(JAVA_SUPPORT)
 234                     unregisterBundleJava(bundleInfo->getID());
 235 #endif
 236                 }
 237             }
 238         }
 239
 240         void ResourceContainerImpl::unregisterBundleSo(const std::string &id)
 241         {
 242             void *bundleHandle = m_bundles[id]->getBundleHandle();
 243
 244             OC_LOG_V(INFO, CONTAINER_TAG, "Unregister bundle: (%s)",
 245                      std::string(m_bundles[id]->getID()).c_str());
 246
 247             const char *error;
 248             dlclose(bundleHandle);
 249
 250             if ((error = dlerror()) != NULL)
 251             {
 252                 OC_LOG_V(ERROR, CONTAINER_TAG, "Error (%s)", error);
 253             }
 254             else
 255             {
 256                 delete m_bundles[id];
 257                 m_bundles.erase(id);
 258             }
 259         }
 260
 261         void ResourceContainerImpl::registerResource(BundleResource::Ptr resource)
 262         {
 263             string strUri = resource->m_uri;
 264             string strResourceType = resource->m_resourceType;
 265             RCSResourceObject::Ptr server = nullptr;
 266
 267             OC_LOG_V(INFO, CONTAINER_TAG, "Registration of resource (%s)" ,
 268                      std::string(strUri + ", " + strResourceType).c_str());
 269
 270             registrationLock.lock();
 271             if (m_mapResources.find(strUri) == m_mapResources.end())
 272             {
 273                 server = buildResourceObject(strUri, strResourceType);
 274
 275                 if (server != nullptr)
 276                 {
 277                     m_mapServers[strUri] = server;
 278                     m_mapResources[strUri] = resource;
 279                     m_mapBundleResources[resource->m_bundleId].push_back(strUri);
 280
 281                     server->setGetRequestHandler(
 282                         std::bind(&ResourceContainerImpl::getRequestHandler, this,
 283                                   std::placeholders::_1, std::placeholders::_2));
 284
 285                     server->setSetRequestHandler(
 286                         std::bind(&ResourceContainerImpl::setRequestHandler, this,
 287                                   std::placeholders::_1, std::placeholders::_2));
 288
 289                     OC_LOG_V(INFO, CONTAINER_TAG, "Registration finished (%s)",
 290                              std::string(strUri + ", " +
 291                                          strResourceType).c_str());
 292
 293                     if (m_config->isHasInput(resource->m_bundleId))
 294                     {
 295                         discoverInputResource(strUri);
 296                     }
 297
 298                     // to get notified if bundle resource attributes are updated
 299                     resource->registerObserver((NotificationReceiver *) this);
 300                 }
 301             }
 302             else
 303             {
 304                 OC_LOG_V(ERROR, CONTAINER_TAG, "resource with (%s)",
 305                          std::string(strUri + " already exists.").c_str());
 306             }
 307             registrationLock.unlock();
 308         }
 309
 310         void ResourceContainerImpl::unregisterResource(BundleResource::Ptr resource)
 311         {
 312             string strUri = resource->m_uri;
 313             string strResourceType = resource->m_resourceType;
 314
 315             OC_LOG_V(INFO, CONTAINER_TAG, "Unregistration of resource (%s)",
 316                      std::string(resource->m_uri + ", " +
 317                                  resource->m_resourceType).c_str());
 318
 319             if (m_config->isHasInput(resource->m_bundleId))
 320             {
 321                 undiscoverInputResource(strUri);
 322             }
 323
 324             if (m_mapServers.find(strUri) != m_mapServers.end())
 325             {
 326                 m_mapServers[strUri].reset();
 327
 328                 m_mapResources.erase(m_mapResources.find(strUri));
 329                 m_mapBundleResources[resource->m_bundleId].remove(strUri);
 330             }
 331         }
 332
 333         void ResourceContainerImpl::getBundleConfiguration(const std::string &bundleId,
 334                 configInfo *configOutput)
 335         {
 336             if (m_config)
 337             {
 338                 m_config->getBundleConfiguration(bundleId, (configInfo *) configOutput);
 339             }
 340         }
 341
 342         void ResourceContainerImpl::getResourceConfiguration(const std::string &bundleId,
 343                 std::vector< resourceInfo > *configOutput)
 344         {
 345             if (m_config)
 346             {
 347                 m_config->getResourceConfiguration(bundleId, configOutput);
 348             }
 349         }
 350
 351         RCSGetResponse ResourceContainerImpl::getRequestHandler(const RCSRequest &request,
 352                 const RCSResourceAttributes &)
 353         {
 354             RCSResourceAttributes attr;
 355             std::string strResourceUri = request.getResourceUri();
 356
 357             if (m_mapServers.find(strResourceUri) != m_mapServers.end()
 358                 && m_mapResources.find(strResourceUri) != m_mapResources.end())
 359             {
 360                 if (m_mapResources[strResourceUri])
 361                 {
 362                     auto getFunction = [this, &attr, &strResourceUri]()
 363                     {
 364                         attr = m_mapResources[strResourceUri]->handleGetAttributesRequest();
 365                     };
 366                     boost::thread getThread(getFunction);
 367                     getThread.timed_join(boost::posix_time::seconds(BUNDLE_SET_GET_WAIT_SEC));
 368
 369                 }
 370             }
 371
 372             return RCSGetResponse::create(std::move(attr), 200);
 373         }
 374
 375         RCSSetResponse ResourceContainerImpl::setRequestHandler(const RCSRequest &request,
 376                 const RCSResourceAttributes &attributes)
 377         {
 378             RCSResourceAttributes attr;
 379             std::list<std::string> lstAttributes;
 380             std::string strResourceUri = request.getResourceUri();
 381
 382             if (m_mapServers.find(strResourceUri) != m_mapServers.end()
 383                 && m_mapResources.find(strResourceUri) != m_mapResources.end())
 384             {
 385                 if (m_mapResources[strResourceUri])
 386                 {
 387                     auto setFunction = [this, &lstAttributes, &strResourceUri, &attributes, &attr]()
 388                     {
 389                         lstAttributes = m_mapResources[strResourceUri]->getAttributeNames();
 390
 391                         for (RCSResourceAttributes::const_iterator itor = attributes.begin();
 392                              itor != attributes.end(); itor++)
 393                         {
 394                             if (std::find(lstAttributes.begin(), lstAttributes.end(), itor->key())
 395                                 != lstAttributes.end())
 396                             {
 397                                 attr[itor->key()] = itor->value();
 398                             }
 399                         }
 400
 401                         m_mapResources[strResourceUri]->handleSetAttributesRequest(attr);
 402                     };
 403                     boost::thread setThread(setFunction);
 404                     setThread.timed_join(boost::posix_time::seconds(BUNDLE_SET_GET_WAIT_SEC));
 405                 }
 406             }
 407
 408             return RCSSetResponse::create(std::move(attr), 200);
 409         }
 410
 411         void ResourceContainerImpl::onNotificationReceived(const std::string &strResourceUri)
 412         {
 413             OC_LOG_V(INFO, CONTAINER_TAG,
 414                      "notification from (%s)", std::string(strResourceUri + ".").c_str());
 415
 416             if (m_mapServers.find(strResourceUri) != m_mapServers.end())
 417             {
 418                 m_mapServers[strResourceUri]->notify();
 419             }
 420         }
 421
 422         ResourceContainerImpl *ResourceContainerImpl::getImplInstance()
 423         {
 424             static ResourceContainerImpl m_instance;
 425             return &m_instance;
 426         }
 427
 428         RCSResourceObject::Ptr ResourceContainerImpl::buildResourceObject(const std::string &strUri,
 429                 const std::string &strResourceType)
 430         {
 431             return RCSResourceObject::Builder(strUri, strResourceType,
 432                                               "oic.if.baseline").setObservable(
 433                        true).setDiscoverable(true).build();
 434         }
 435
 436         void ResourceContainerImpl::startBundle(const std::string &bundleId)
 437         {
 438             if (m_bundles.find(bundleId) != m_bundles.end())
 439             {
 440                 if (!m_bundles[bundleId]->isActivated())
 441                     activateBundle(m_bundles[bundleId]);
 442                 else
 443                 {
 444                     OC_LOG(ERROR, CONTAINER_TAG, "Bundle already started");
 445                 }
 446             }
 447             else
 448             {
 449                 OC_LOG_V(ERROR, CONTAINER_TAG, "Bundle with ID \'(%s)",
 450                          std::string(bundleId + "\' is not registered.").c_str());
 451             }
 452         }
 453
 454         void ResourceContainerImpl::stopBundle(const std::string &bundleId)
 455         {
 456             if (m_bundles.find(bundleId) != m_bundles.end())
 457             {
 458                 if (m_bundles[bundleId]->isActivated())
 459                     deactivateBundle(m_bundles[bundleId]);
 460                 else
 461                 {
 462                     OC_LOG(ERROR, CONTAINER_TAG, "Bundle not activated");
 463                 }
 464             }
 465             else
 466             {
 467                 OC_LOG_V(ERROR, CONTAINER_TAG, "Bundle with ID \'(%s)",
 468                          std::string(bundleId + "\' is not registered.").c_str());
 469             }
 470         }
 471
 472         void ResourceContainerImpl::addBundle(const std::string &bundleId,
 473                                               const std::string &bundleUri, const std::string &bundlePath,
 474                                               const std::string &activator, std::map< string, string > params)
 475         {
 476             (void) bundleUri;
 477
 478             if (m_bundles.find(bundleId) != m_bundles.end())
 479                 OC_LOG(ERROR, CONTAINER_TAG, "BundleId already exist");
 480
 481             else
 482             {
 483                 BundleInfoInternal *bundleInfo = new BundleInfoInternal();
 484                 bundleInfo->setID(bundleId);
 485                 bundleInfo->setPath(bundlePath);
 486                 bundleInfo->setActivatorName(activator);
 487                 if (params.find("libraryPath") != params.end())
 488                 {
 489                     string activatorName = activator; // modify activator for Java bundle
 490                     std::replace(activatorName.begin(), activatorName.end(), '.', '/');
 491                     ((BundleInfoInternal *) bundleInfo)->setActivatorName(activatorName);
 492                     ((BundleInfoInternal *)bundleInfo)->setLibraryPath(params[BUNDLE_LIBRARY_PATH]);
 493                 }
 494
 495                 OC_LOG_V(INFO, CONTAINER_TAG, "Add Bundle: (%s)",
 496                          std::string(bundleInfo->getID() + "; " +
 497                                      bundleInfo->getPath()).c_str());
 498
 499                 registerBundle(bundleInfo);
 500             }
 501         }
 502
 503         void ResourceContainerImpl::removeBundle(const std::string &bundleId)
 504         {
 505             if (m_bundles.find(bundleId) != m_bundles.end())
 506             {
 507                 BundleInfoInternal *bundleInfo = m_bundles[bundleId];
 508                 if (bundleInfo->isActivated())
 509                     deactivateBundle(bundleInfo);
 510
 511                 if (bundleInfo->isLoaded())
 512                     unregisterBundle(bundleInfo);
 513             }
 514             else
 515             {
 516                 OC_LOG_V(ERROR, CONTAINER_TAG, "Bundle with ID \'(%s)",
 517                          std::string(bundleId + "\' is not registered.").c_str());
 518             }
 519         }
 520
 521         std::list<std::unique_ptr<RCSBundleInfo>> ResourceContainerImpl::listBundles()
 522         {
 523             std::list<std::unique_ptr<RCSBundleInfo> > ret;
 524             for (std::map< std::string, BundleInfoInternal * >::iterator it = m_bundles.begin();
 525                  it != m_bundles.end(); ++it)
 526             {
 527                 {
 528                     std::unique_ptr<BundleInfoInternal> bundleInfo(new BundleInfoInternal);
 529                     (bundleInfo)->setBundleInfo(it->second);
 530                     ret.push_back(std::move(bundleInfo));
 531                 }
 532             }
 533             return ret;
 534         }
 535
 536         void ResourceContainerImpl::addResourceConfig(const std::string &bundleId,
 537                 const std::string &resourceUri, std::map< string, string > params)
 538         {
 539             if (m_bundles.find(bundleId) != m_bundles.end())
 540             {
 541                 if (!m_bundles[bundleId]->getJavaBundle())
 542                 {
 543                     resourceInfo newResourceInfo;
 544                     newResourceInfo.uri = resourceUri;
 545
 546                     if (params.find(OUTPUT_RESOURCE_NAME) != params.end())
 547                         newResourceInfo.name = params[OUTPUT_RESOURCE_NAME];
 548                     if (params.find(OUTPUT_RESOURCE_TYPE) != params.end())
 549                         newResourceInfo.resourceType = params[OUTPUT_RESOURCE_TYPE];
 550                     if (params.find(OUTPUT_RESOURCE_ADDR) != params.end())
 551                         newResourceInfo.address = params[OUTPUT_RESOURCE_ADDR];
 552
 553                     addSoBundleResource(bundleId, newResourceInfo);
 554                 }
 555             }
 556             else
 557             {
 558                 OC_LOG_V(ERROR, CONTAINER_TAG, "Bundle with ID \'(%s)",
 559                          std::string(bundleId + "\' is not registered.").c_str());
 560             }
 561         }
 562
 563         void ResourceContainerImpl::removeResourceConfig(const std::string &bundleId,
 564                 const std::string &resourceUri)
 565         {
 566             if (m_bundles.find(bundleId) != m_bundles.end())
 567             {
 568                 if (!m_bundles[bundleId]->getJavaBundle())
 569                 {
 570                     removeSoBundleResource(bundleId, resourceUri);
 571                 }
 572             }
 573             else
 574             {
 575                 OC_LOG_V(ERROR, CONTAINER_TAG, "Bundle with ID \'(%s)",
 576                          std::string(bundleId + "\' is not registered.").c_str());
 577             }
 578         }
 579
 580         std::list< string > ResourceContainerImpl::listBundleResources(const std::string &bundleId)
 581         {
 582             std::list < string > ret;
 583
 584             if (m_mapBundleResources.find(bundleId) != m_mapBundleResources.end())
 585             {
 586                 ret = m_mapBundleResources[bundleId];
 587             }
 588
 589             return ret;
 590
 591         }
 592
 593         void ResourceContainerImpl::registerSoBundle(RCSBundleInfo *bundleInfo)
 594         {
 595             const char *error;
 596
 597             activator_t *bundleActivator = NULL;
 598             deactivator_t *bundleDeactivator = NULL;
 599             resourceCreator_t *resourceCreator = NULL;
 600             resourceDestroyer_t *resourceDestroyer = NULL;
 601             BundleInfoInternal *bundleInfoInternal = (BundleInfoInternal *) bundleInfo;
 602             void *bundleHandle = NULL;
 603             bundleHandle = dlopen(bundleInfo->getPath().c_str(), RTLD_LAZY);
 604
 605             if (bundleHandle != NULL)
 606             {
 607                 bundleActivator =
 608                     (activator_t *) dlsym(bundleHandle,
 609                                           ("" + bundleInfoInternal->getActivatorName()
 610                                            + "_externalActivateBundle").c_str());
 611                 bundleDeactivator =
 612                     (deactivator_t *) dlsym(bundleHandle,
 613                                             ("" + bundleInfoInternal->getActivatorName()
 614                                              + "_externalDeactivateBundle").c_str());
 615                 resourceCreator =
 616                     (resourceCreator_t *) dlsym(bundleHandle,
 617                                                 ("" + bundleInfoInternal->getActivatorName()
 618                                                  + "_externalCreateResource").c_str());
 619                 resourceDestroyer =
 620                     (resourceDestroyer_t *) dlsym(bundleHandle,
 621                                                   ("" + bundleInfoInternal->getActivatorName()
 622                                                    + "_externalDestroyResource").c_str());
 623
 624
 625                 if ((error = dlerror()) != NULL)
 626                 {
 627                     OC_LOG_V(ERROR, CONTAINER_TAG, "Error : (%s)", error);
 628                 }
 629                 else
 630                 {
 631                     ((BundleInfoInternal *) bundleInfo)->setBundleActivator(bundleActivator);
 632                     ((BundleInfoInternal *) bundleInfo)->setBundleDeactivator(bundleDeactivator);
 633                     ((BundleInfoInternal *) bundleInfo)->setResourceCreator(resourceCreator);
 634                     ((BundleInfoInternal *) bundleInfo)->setResourceDestroyer(resourceDestroyer);
 635                     ((BundleInfoInternal *) bundleInfo)->setLoaded(true);
 636                     ((BundleInfoInternal *) bundleInfo)->setBundleHandle(bundleHandle);
 637
 638                     m_bundles[bundleInfo->getID()] = ((BundleInfoInternal *) bundleInfo);
 639                 }
 640             }
 641             else
 642             {
 643                 if ((error = dlerror()) != NULL)
 644                 {
 645                     OC_LOG_V(ERROR, CONTAINER_TAG, "Error : (%s)", error);
 646                 }
 647             }
 648         }
 649
 650         void ResourceContainerImpl::activateSoBundle(const std::string &bundleId)
 651         {
 652             activator_t *bundleActivator = m_bundles[bundleId]->getBundleActivator();
 653
 654             if (bundleActivator != NULL)
 655             {
 656                 bundleActivator(this, m_bundles[bundleId]->getID());
 657                 m_bundles[bundleId]->setActivated(true);
 658             }
 659             else
 660             {
 661                 //Unload module and return error
 662                 OC_LOG(ERROR, CONTAINER_TAG, "Activation unsuccessful.");
 663             }
 664
 665             BundleInfoInternal *bundleInfoInternal = (BundleInfoInternal *) m_bundles[bundleId];
 666             bundleInfoInternal->setActivated(true);
 667
 668         }
 669
 670         void ResourceContainerImpl::undiscoverInputResource(const std::string &outputResourceUri)
 671         {
 672             auto foundDiscoverResource = m_mapDiscoverResourceUnits.find(outputResourceUri);
 673             if (foundDiscoverResource != m_mapDiscoverResourceUnits.end())
 674             {
 675                 m_mapDiscoverResourceUnits.erase(foundDiscoverResource);
 676             }
 677         }
 678
 679         void ResourceContainerImpl::discoverInputResource(const std::string &outputResourceUri)
 680         {
 681             auto foundOutputResource = m_mapResources.find(outputResourceUri);
 682             auto resourceProperty = foundOutputResource->second->m_mapResourceProperty;
 683
 684             try
 685             {
 686                 resourceProperty.at(INPUT_RESOURCE);
 687             }
 688             catch (std::out_of_range &e)
 689             {
 690                 return;
 691             }
 692
 693             for (auto iter : resourceProperty)
 694             {
 695                 if (iter.first.compare(INPUT_RESOURCE) == 0)
 696                 {
 697                     for (auto it : iter.second)
 698                     {
 699                         auto makeValue = [&](const std::string & reference) mutable -> std::string
 700                         {
 701                             std::string retStr = "";
 702                             try
 703                             {
 704                                 retStr = it.at(reference);
 705                             }
 706                             catch (std::out_of_range &e)
 707                             {
 708                                 return "";
 709                             }
 710                             return retStr;
 711                         };
 712                         std::string uri = makeValue(INPUT_RESOURCE_URI);
 713                         std::string type = makeValue(INPUT_RESOURCE_TYPE);
 714                         std::string attributeName = makeValue(INPUT_RESOURCE_ATTRIBUTENAME);
 715
 716                         DiscoverResourceUnit::Ptr newDiscoverUnit = std::make_shared
 717                                 < DiscoverResourceUnit > (outputResourceUri);
 718                         newDiscoverUnit->startDiscover(
 719                             DiscoverResourceUnit::DiscoverResourceInfo(uri, type,
 720                                     attributeName),
 721                             std::bind(&SoftSensorResource::onUpdatedInputResource,
 722                                       std::static_pointer_cast< SoftSensorResource > (foundOutputResource->second),
 723                                       std::placeholders::_1, std::placeholders::_2));
 724
 725                         auto foundDiscoverResource = m_mapDiscoverResourceUnits.find(
 726                                                          outputResourceUri);
 727                         if (foundDiscoverResource != m_mapDiscoverResourceUnits.end())
 728                         {
 729                             foundDiscoverResource->second.push_back(newDiscoverUnit);
 730                         }
 731                         else
 732                         {
 733                             m_mapDiscoverResourceUnits.insert(
 734                                 std::make_pair(outputResourceUri,
 735                                                std::list< DiscoverResourceUnit::Ptr >
 736                             { newDiscoverUnit }));
 737                         }
 738                     }
 739                 }
 740             }
 741         }
 742
 743         void ResourceContainerImpl::deactivateSoBundle(const std::string &id)
 744         {
 745             deactivator_t *bundleDeactivator = m_bundles[id]->getBundleDeactivator();
 746
 747             OC_LOG_V(INFO, CONTAINER_TAG, "De-activating bundle: (%s)", std::string(
 748                          m_bundles[id]->getID()).c_str());
 749
 750             if (bundleDeactivator != NULL)
 751             {
 752                 bundleDeactivator();
 753                 m_bundles[id]->setActivated(false);
 754             }
 755             else
 756             {
 757                 //Unload module and return error
 758                 OC_LOG(ERROR, CONTAINER_TAG, "De-activation unsuccessful.");
 759             }
 760         }
 761
 762         void ResourceContainerImpl::addSoBundleResource(const std::string &bundleId,
 763                 resourceInfo newResourceInfo)
 764         {
 765             resourceCreator_t *resourceCreator;
 766
 767             resourceCreator = m_bundles[bundleId]->getResourceCreator();
 768
 769             if (resourceCreator != NULL)
 770             {
 771                 resourceCreator(newResourceInfo);
 772             }
 773             else
 774             {
 775                 OC_LOG(ERROR, CONTAINER_TAG, "addResource unsuccessful.");
 776             }
 777         }
 778
 779         void ResourceContainerImpl::removeSoBundleResource(const std::string &bundleId,
 780                 const std::string &resourceUri)
 781         {
 782             if (m_mapResources.find(resourceUri) != m_mapResources.end())
 783             {
 784                 resourceDestroyer_t *resourceDestroyer =
 785                     m_bundles[bundleId]->getResourceDestroyer();
 786
 787                 if (resourceDestroyer != NULL)
 788                 {
 789                     resourceDestroyer(m_mapResources[resourceUri]);
 790                 }
 791                 else
 792                 {
 793                     OC_LOG(ERROR, CONTAINER_TAG, "removeResource unsuccessful.");
 794                 }
 795             }
 796         }
 797
 798         void ResourceContainerImpl::activateBundleThread(const std::string &id)
 799         {
 800             OC_LOG_V(INFO, CONTAINER_TAG, "Activating bundle: (%s)",
 801                      std::string(m_bundles[id]->getID()).c_str());
 802
 803             if (m_bundles[id]->getJavaBundle())
 804             {
 805 #if(JAVA_SUPPORT)
 806                 activateJavaBundle(id);
 807 #endif
 808             }
 809             else
 810             {
 811                 activateSoBundle (id);
 812             }
 813
 814             OC_LOG_V(INFO, CONTAINER_TAG, "Bundle activated: (%s)",
 815                      std::string(m_bundles[id]->getID()).c_str());
 816         }
 817
 818 #if(JAVA_SUPPORT)
 819         JavaVM *ResourceContainerImpl::getJavaVM(string bundleId)
 820         {
 821             return m_bundleVM[bundleId];
 822         }
 823
 824         void ResourceContainerImpl::registerJavaBundle(RCSBundleInfo *bundleInfo)
 825         {
 826             OC_LOG_V(INFO, CONTAINER_TAG, "Registering Java bundle (%s)",
 827                      std::string(bundleInfo->getID()).c_str());
 828             JavaVM *jvm;
 829             JNIEnv *env;
 830             JavaVMInitArgs vm_args;
 831             JavaVMOption options[3];
 832
 833             BundleInfoInternal *bundleInfoInternal = (BundleInfoInternal *) bundleInfo;
 834
 835             if (FILE *file = fopen(bundleInfo->getPath().c_str(), "r"))
 836             {
 837                 fclose(file);
 838
 839                 OC_LOG_V(INFO, CONTAINER_TAG, "Resource bundle (%s)",
 840                          std::string(bundleInfo->getPath() +
 841                                      " available.").c_str());
 842             }
 843             else
 844             {
 845                 OC_LOG_V(ERROR, CONTAINER_TAG, "Resource bundle (%s)",
 846                          std::string(bundleInfo->getPath() + " not available.").c_str());
 847
 848                 return;
 849             }
 850
 851             char optionString[] = "-Djava.compiler=NONE";
 852             options[0].optionString = optionString;
 853             char classpath[1000];
 854             strcpy(classpath, "-Djava.class.path=");
 855             strcat(classpath, bundleInfo->getPath().c_str());
 856
 857             OC_LOG(INFO, CONTAINER_TAG,
 858                    std::string("Configured classpath: ").append(classpath).c_str());
 859
 860             options[1].optionString = classpath;
 861
 862             char libraryPath[1000];
 863             strcpy(libraryPath, "-Djava.library.path=");
 864             strcat(libraryPath, bundleInfo->getLibraryPath().c_str());
 865             options[2].optionString = libraryPath;
 866
 867             OC_LOG(INFO, CONTAINER_TAG,
 868                    std::string("Configured library path: ").append(libraryPath).c_str());
 869
 870             vm_args.version = JNI_VERSION_1_4;
 871             vm_args.options = options;
 872             vm_args.nOptions = 3;
 873             vm_args.ignoreUnrecognized = 1;
 874
 875             int res;
 876             res = JNI_CreateJavaVM(&jvm, (void **) &env, &vm_args);
 877
 878             if (res < 0)
 879             {
 880                 OC_LOG(ERROR, CONTAINER_TAG, "cannot create JavaVM.");
 881                 return;
 882             }
 883             else
 884             {
 885                 OC_LOG(INFO, CONTAINER_TAG, "JVM successfully created.");
 886             }
 887
 888             m_bundleVM.insert(std::pair< string, JavaVM * >(bundleInfo->getID(), jvm));
 889
 890             const char *className = bundleInfoInternal->getActivatorName().c_str();
 891
 892             OC_LOG_V(INFO, CONTAINER_TAG, "Looking up class: (%s)", std::string(
 893                          bundleInfoInternal->getActivatorName() + "|").c_str());
 894
 895             jclass bundleActivatorClass = env->FindClass(className);
 896
 897             if (bundleActivatorClass == NULL)
 898             {
 899                 OC_LOG_V(ERROR, CONTAINER_TAG, "Cannot register bundle (%s)",
 900                          std::string( bundleInfoInternal->getID()
 901                                       + " bundle activator(" + bundleInfoInternal->getActivatorName()
 902                                       + ") not found ").c_str());
 903                 return;
 904             }
 905
 906             jmethodID activateMethod = env->GetMethodID(bundleActivatorClass, "activateBundle",
 907                                        "()V");
 908
 909             if (activateMethod == NULL)
 910             {
 911                 OC_LOG_V(ERROR, CONTAINER_TAG, "Cannot register bundle (%s)",
 912                          std::string( bundleInfoInternal->getID()
 913                                       + " activate bundle method not found ").c_str());
 914                 return;
 915             }
 916             bundleInfoInternal->setJavaBundleActivatorMethod(activateMethod);
 917
 918             jmethodID deactivateMethod = env->GetMethodID(bundleActivatorClass, "deactivateBundle",
 919                                          "()V");
 920
 921             if (deactivateMethod == NULL)
 922             {
 923                 OC_LOG_V(ERROR, CONTAINER_TAG, "Cannot register bundle (%s)",
 924                          std::string( bundleInfoInternal->getID()
 925                                       + " deactivate bundle method not found ").c_str());
 926                 return;
 927             }
 928
 929             bundleInfoInternal->setJavaBundleDeactivatorMethod(deactivateMethod);
 930
 931             jmethodID constructor;
 932
 933             constructor = env->GetMethodID(bundleActivatorClass, "<init>", "(Ljava/lang/String;)V");
 934
 935             jstring bundleID = env->NewStringUTF(bundleInfoInternal->getID().c_str());
 936
 937             jobject bundleActivator = env->NewObject(bundleActivatorClass, constructor, bundleID);
 938
 939             bundleInfoInternal->setJavaBundleActivatorObject(bundleActivator);
 940
 941             bundleInfoInternal->setLoaded(true);
 942
 943             m_bundles[bundleInfo->getID()] = ((BundleInfoInternal *)bundleInfo);
 944
 945
 946             OC_LOG(INFO, CONTAINER_TAG, "Bundle registered");
 947         }
 948
 949         void ResourceContainerImpl::activateJavaBundle(string bundleId)
 950         {
 951             OC_LOG(INFO, CONTAINER_TAG, "Activating java bundle");
 952
 953             JavaVM *vm = getJavaVM(bundleId);
 954             BundleInfoInternal *bundleInfoInternal = (BundleInfoInternal *) m_bundles[bundleId];
 955             JNIEnv *env;
 956             int envStat = vm->GetEnv((void **) &env, JNI_VERSION_1_4);
 957
 958             if (envStat == JNI_EDETACHED)
 959             {
 960                 if (vm->AttachCurrentThread((void **) &env, NULL) != 0)
 961                 {
 962                     OC_LOG(ERROR, CONTAINER_TAG, "Failed to attach ");
 963                 }
 964             }
 965             else if (envStat == JNI_EVERSION)
 966             {
 967                 OC_LOG(ERROR, CONTAINER_TAG, "Env: version not supported ");
 968             }
 969
 970             env->CallVoidMethod(bundleInfoInternal->getJavaBundleActivatorObject(),
 971                                 bundleInfoInternal->getJavaBundleActivatorMethod());
 972
 973             m_bundles[bundleId]->setActivated(true);
 974         }
 975
 976         void ResourceContainerImpl::deactivateJavaBundle(string bundleId)
 977         {
 978             OC_LOG(INFO, CONTAINER_TAG, "Deactivating java bundle");
 979
 980             JavaVM *vm = getJavaVM(bundleId);
 981             BundleInfoInternal *bundleInfoInternal = (BundleInfoInternal *) m_bundles[bundleId];
 982             JNIEnv *env;
 983             int envStat = vm->GetEnv((void **) &env, JNI_VERSION_1_4);
 984
 985             if (envStat == JNI_EDETACHED)
 986             {
 987                 if (vm->AttachCurrentThread((void **) &env, NULL) != 0)
 988                 {
 989                     OC_LOG(ERROR, CONTAINER_TAG, "Failed to attach ");
 990                 }
 991             }
 992             else if (envStat == JNI_EVERSION)
 993             {
 994                 OC_LOG(ERROR, CONTAINER_TAG, "Env: version not supported ");
 995             }
 996
 997             env->CallVoidMethod(bundleInfoInternal->getJavaBundleActivatorObject(),
 998                                 bundleInfoInternal->getJavaBundleDeactivatorMethod());
 999
1000             m_bundles[bundleId]->setActivated(false);
1001         }
1002
1003         void ResourceContainerImpl::unregisterBundleJava(string id)
1004         {
1005             OC_LOG_V(INFO, CONTAINER_TAG, "Unregister Java bundle: (%s)", std::string(
1006                          m_bundles[id]->getID()).c_str());
1007
1008             OC_LOG(INFO, CONTAINER_TAG, "Destroying JVM");
1009
1010             m_bundleVM[id]->DestroyJavaVM();
1011
1012             delete m_bundles[id];
1013             m_bundles.erase(id);
1014         }
1015 #endif
1016     }
1017 }