This is the sample program that can see the decode result of barcode data on Watson IoT.
Dependencies: AsciiFont DisplayApp GR-PEACH_video LCD_shield_config LWIPBP3595Interface_STA_for_mbed-os USBDevice
ObjectInstanceManager.cpp
00001 /** 00002 * @file ObjectInstanceManager.cpp 00003 * @brief mbed CoAP Endpoint Device Management Object Instance Manager 00004 * @author Doug Anson 00005 * @version 1.0 00006 * @see 00007 * 00008 * Copyright (c) 2016 00009 * 00010 * Licensed under the Apache License, Version 2.0 (the "License"); 00011 * you may not use this file except in compliance with the License. 00012 * You may obtain a copy of the License at 00013 * 00014 * http://www.apache.org/licenses/LICENSE-2.0 00015 * 00016 * Unless required by applicable law or agreed to in writing, software 00017 * distributed under the License is distributed on an "AS IS" BASIS, 00018 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00019 * See the License for the specific language governing permissions and 00020 * limitations under the License. 00021 */ 00022 00023 // Class support 00024 #include "mbed-connector-interface/ObjectInstanceManager.h" 00025 00026 // mbed-client support 00027 #include "mbed-client/m2minterfacefactory.h" 00028 #include "mbed-client/m2minterfaceobserver.h" 00029 #include "mbed-client/m2minterface.h" 00030 #include "mbed-client/m2mobjectinstance.h" 00031 #include "mbed-client/m2mresource.h" 00032 #include "mbed-client/m2mdevice.h" 00033 #include "mbed-client/m2mfirmware.h" 00034 00035 // string support 00036 #include <string> 00037 00038 // constructor 00039 ObjectInstanceManager::ObjectInstanceManager(const Logger *logger,const void *ep) { 00040 this->m_logger = (Logger *)logger; 00041 this->m_ep = (void *)ep; 00042 this->m_object_list.clear(); 00043 this->m_instance_number = 0; 00044 } 00045 00046 // copy constructor 00047 ObjectInstanceManager::ObjectInstanceManager(const ObjectInstanceManager &oim) { 00048 this->m_logger = oim.m_logger; 00049 this->m_ep = oim.m_ep; 00050 this->m_object_list = oim.m_object_list; 00051 this->m_instance_number = oim.m_instance_number; 00052 } 00053 00054 // destructor 00055 ObjectInstanceManager::~ObjectInstanceManager() { 00056 this->m_object_list.clear(); 00057 } 00058 00059 // create a Dynamic Resource Instance 00060 void *ObjectInstanceManager::createDynamicResourceInstance(char *objID,char *resID,char *resName,int resType,bool observable) { 00061 void *res = NULL; 00062 M2MObjectInstance *instance = (M2MObjectInstance *)this->getOrCreateInstance(objID,resID); 00063 if (instance != NULL) { 00064 // DEBUG 00065 //this->logger()->logging("ObjectInstanceManager: Creating Dynamic Resource: ObjID:%s ResID:%s ResName:%s Type:%d Observable: %d",objID,resID,resName,resType,observable); 00066 00067 // create the resource 00068 res = (void *)instance->create_dynamic_resource(resID,resName,(M2MResourceInstance::ResourceType)resType,observable); 00069 } 00070 return res; 00071 } 00072 00073 // create a Static Resource Instance 00074 void *ObjectInstanceManager::createStaticResourceInstance(char *objID,char *resID,char *resName,int resType,void *data,int data_length) { 00075 void *res = NULL; 00076 M2MObjectInstance *instance = (M2MObjectInstance *)this->getOrCreateInstance(objID,resID); 00077 if (instance != NULL) { 00078 // DEBUG 00079 //this->logger()->logging("ObjectInstanceManager: Creating Static Resource: ObjID:%s ResID:%s ResName:%s Type:%d DataLength: %d",objID,resID,resName,resType,data_length); 00080 00081 // create the resource 00082 res = (void *)instance->create_static_resource(resID,resName,(M2MResourceInstance::ResourceType)resType,(uint8_t *)data,(uint8_t)data_length); 00083 } 00084 return res; 00085 } 00086 00087 // Get the instance number of the resource just created 00088 int ObjectInstanceManager::getLastCreatedInstanceNumber() { 00089 return this->m_instance_number; 00090 } 00091 00092 // create and/or retrieve a given instance 00093 void *ObjectInstanceManager::getOrCreateInstance(char *objID,char *resID) { 00094 void *instance = NULL; 00095 NamedPointer *obj_np = this->getOrCreateObject(objID); 00096 if (obj_np != NULL) { 00097 NamedPointerList *list = (NamedPointerList *)obj_np->list(); 00098 NamedPointer *inst_np = this->getNamedPointer(resID,list); 00099 if (inst_np != NULL) { 00100 // instance already exists... so create another one (n)... 00101 M2MObject *obj = (M2MObject *)(obj_np->ptr()); 00102 if (obj != NULL) { 00103 instance = (void *)obj->create_object_instance(); 00104 this->m_instance_number = inst_np->index()+1; 00105 NamedPointer new_inst_np(string(resID),instance,this->m_instance_number); 00106 list->push_back(new_inst_np); 00107 } 00108 } 00109 else if (list->size() > 0) { 00110 // 0th instance exists... parent the resource to it... 00111 this->m_instance_number = 0; 00112 instance = (void *)(list->at(0).ptr()); 00113 } 00114 else { 00115 // no instance does not exist so create one (0).. 00116 M2MObject *obj = (M2MObject *)(obj_np->ptr()); 00117 if (obj != NULL) { 00118 instance = (void *)obj->create_object_instance(); 00119 this->m_instance_number = 0; 00120 NamedPointer new_inst_np(string(resID),instance,this->m_instance_number); 00121 list->push_back(new_inst_np); 00122 } 00123 } 00124 } 00125 else { 00126 // DEBUG 00127 this->logger()->logging("getOrCreateInstance: unable to create object instance for objID:%s",objID); 00128 } 00129 return instance; 00130 } 00131 00132 // create and/or retrieve a given objectID 00133 NamedPointer *ObjectInstanceManager::getOrCreateObject(char *objID) { 00134 NamedPointer *result = NULL; 00135 if (objID != NULL) { 00136 result = this->getNamedPointer(objID,&(this->m_object_list)); 00137 } 00138 if (result == NULL) { 00139 void *obj = (void *)M2MInterfaceFactory::create_object(objID); 00140 NamedPointer new_np(string(objID),obj,0); 00141 this->m_object_list.push_back(new_np); 00142 result = this->getNamedPointer(objID,&(this->m_object_list)); 00143 } 00144 return result; 00145 } 00146 00147 // get the named pointer for a given id 00148 NamedPointer *ObjectInstanceManager::getNamedPointer(const char *id,NamedPointerList *list) { 00149 NamedPointer *result = NULL; 00150 bool found = false; 00151 for(int i=0;list != NULL && i<(int)list->size() && !found;++i) { 00152 char *tmp_id = (char *)list->at(i).name().c_str(); 00153 if (id != NULL && tmp_id != NULL && strcmp(id,tmp_id) == 0) { 00154 found = true; 00155 result = &(list->at(i)); 00156 } 00157 } 00158 return result; 00159 } 00160 00161 // Get our Object List 00162 NamedPointerList ObjectInstanceManager::getObjectList() { 00163 return this->m_object_list; 00164 } 00165 00166 // Logger 00167 Logger *ObjectInstanceManager::logger() { 00168 return this->m_logger; 00169 } 00170
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