service/scene-manager/src/SceneUtils.cpp

   1 //******************************************************************
   2 //
   3 // Copyright 2016 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 "SceneCommons.h"
  22
  23 #include <string>
  24 #include "ocrandom.h"
  25 #include "oic_malloc.h"
  26 #include "RCSException.h"
  27 #include "cainterface.h"
  28 #include "OCPlatform.h"
  29
  30 namespace OIC
  31 {
  32     namespace Service
  33     {
  34         std::string SceneUtils::OICGenerateUUIDStr()
  35         {
  36             uint8_t uuid[UUID_SIZE] = { 0, };
  37             char uuidStr[UUID_STRING_SIZE] = { 0, };
  38             if (RAND_UUID_OK == OCGenerateUuid(uuid))
  39             {
  40                 if (RAND_UUID_OK == OCConvertUuidToString(uuid, uuidStr))
  41                 {
  42                     return std::string(uuidStr);
  43                 }
  44             }
  45
  46             throw RCSException("Failed to generate UUID");
  47         }
  48
  49         void SceneUtils::getHostUriString(
  50                 const std::string address, std::string *host, std::string *uri)
  51         {
  52             unsigned int nextStartIndex = 0;
  53             int indexOfStr = 3;
  54
  55             if (address.find(COAP_TAG) == std::string::npos)
  56             {
  57                 indexOfStr = 1;
  58             }
  59
  60             for (int i = 0; i < indexOfStr; i++)
  61             {
  62                 nextStartIndex
  63                     = address.find_first_of("/", nextStartIndex);
  64                 if (nextStartIndex == std::string::npos)
  65                 {
  66                     throw RCSInvalidParameterException("address is invalid");
  67                 }
  68                 nextStartIndex += 1;
  69             }
  70
  71             *host = address.substr(0, nextStartIndex - 1);
  72             *uri = address.substr(nextStartIndex - 1, std::string::npos);
  73         }
  74
  75         std::string SceneUtils::getNetAddress()
  76         {
  77             CAEndpoint_t ** netInfo = (CAEndpoint_t **)OICMalloc(sizeof(CAEndpoint_t*)*5);
  78
  79             if(netInfo == nullptr)
  80             {
  81                 throw RCSException("memory allocation fail");
  82             }
  83
  84             uint32_t size = 0;
  85             CAGetNetworkInformation(netInfo, &size);
  86
  87             if (size == 0)
  88             {
  89                 OICFree(netInfo);
  90                 throw RCSException("Disabled Network");
  91             }
  92
  93             for (uint32_t i = 0; i < size; ++i)
  94             {
  95                 if (netInfo[i]->adapter == CATransportAdapter_t::CA_ADAPTER_IP)
  96                 {
  97                     std::string retAddress
  98                         = std::string(netInfo[i]->addr) + ":" + std::to_string(netInfo[i]->port);
  99
 100                     OICFree(netInfo);
 101                     return retAddress;
 102                 }
 103             }
 104
 105             OICFree(netInfo);
 106             throw RCSException("Not supported Network");
 107         }
 108
 109         RCSRemoteResourceObject::Ptr SceneUtils::createRCSResourceObject(
 110             const std::string &address, const OCConnectivityType ct,
 111             const std::vector< std::string > &vecRT, const std::vector< std::string > &vecIF)
 112         {
 113             try
 114             {
 115                 std::string hostaddress, uri;
 116                 SceneUtils::getHostUriString(address, &hostaddress, &uri);
 117
 118                 OC::OCResource::Ptr pOCResource =
 119                     OC::OCPlatform::constructResourceObject(
 120                         hostaddress, uri, ct, false, vecRT, vecIF);
 121
 122                 return RCSRemoteResourceObject::fromOCResource(pOCResource);
 123             }
 124             catch (const std::exception &e)
 125             {
 126                 throw RCSException("Fail to create RCSResourceObject");
 127             }
 128         }
 129
 130     }
 131 }