1 //******************************************************************
3 // Copyright 2014 Intel Mobile Communications GmbH All Rights Reserved.
4 // Copyright 2014 Samsung Electronics All Rights Reserved.
6 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
8 // Licensed under the Apache License, Version 2.0 (the "License");
9 // you may not use this file except in compliance with the License.
10 // You may obtain a copy of the License at
12 // http://www.apache.org/licenses/LICENSE-2.0
14 // Unless required by applicable law or agreed to in writing, software
15 // distributed under the License is distributed on an "AS IS" BASIS,
16 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 // See the License for the specific language governing permissions and
18 // limitations under the License.
20 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
23 /// This sample provides steps to define an interface for a resource
24 /// (properties and methods) and host this resource on the server.
31 #include <condition_variable>
33 #include "OCPlatform.h"
38 namespace PH = std::placeholders;
41 void * ChangeLightRepresentation (void *param);
42 void * handleSlowResponse (void *param, std::shared_ptr<OCResourceRequest> pRequest);
44 // Specifies secure or non-secure
45 // false: non-secure resource
46 // true: secure resource
47 bool isSecure = false;
49 /// Specifies whether Entity handler is going to do slow response or not
50 bool isSlowResponse = false;
52 // Forward declaring the entityHandler
54 /// This class represents a single resource named 'lightResource'. This resource has
55 /// one simple attribute, power
61 /// Access this property from a TB client
63 std::string m_lightUri;
64 OCResourceHandle m_resourceHandle;
65 OCRepresentation m_lightRep;
70 :m_power(""), m_lightUri("/a/light") {
71 // Initialize representation
72 m_lightRep.setUri(m_lightUri);
74 m_lightRep.setValue("power", m_power);
77 /* Note that this does not need to be a member function: for classes you do not have
78 access to, you can accomplish this with a free function: */
80 /// This function internally calls registerResource API.
83 std::string resourceURI = m_lightUri; //URI of the resource
84 std::string resourceTypeName = "core.light"; //resource type name. In this case, it is light
85 std::string resourceInterface = DEFAULT_INTERFACE; // resource interface.
87 EntityHandler cb = std::bind(&LightResource::entityHandler, this,PH::_1);
89 // This will internally create and register the resource.
90 OCStackResult result = OCPlatform::registerResource(
91 m_resourceHandle, resourceURI, resourceTypeName,
92 resourceInterface, cb, OC_DISCOVERABLE | OC_OBSERVABLE);
94 if (OC_STACK_OK != result)
96 cout << "Resource creation was unsuccessful\n";
100 OCResourceHandle getHandle()
102 return m_resourceHandle;
105 // Puts representation.
106 // Gets values from the representation and
107 // updates the internal state
108 void put(OCRepresentation& rep)
111 if (rep.getValue("power", m_power))
113 cout << "\t\t\t\t" << "power: " << m_power << endl;
117 cout << "\t\t\t\t" << "power not found in the representation" << endl;
122 cout << e.what() << endl;
127 // Post representation.
128 // Post can create new resource or simply act like put.
129 // Gets values from the representation and
130 // updates the internal state
131 OCRepresentation post(OCRepresentation& rep)
138 // gets the updated representation.
139 // Updates the representation with latest internal state before
141 OCRepresentation get()
143 m_lightRep.setValue("power", m_power);
148 void addType(const std::string& type) const
150 OCStackResult result = OCPlatform::bindTypeToResource(m_resourceHandle, type);
151 if (OC_STACK_OK != result)
153 cout << "Binding TypeName to Resource was unsuccessful\n";
157 void addInterface(const std::string& interface) const
159 OCStackResult result = OCPlatform::bindInterfaceToResource(m_resourceHandle, interface);
160 if (OC_STACK_OK != result)
162 cout << "Binding TypeName to Resource was unsuccessful\n";
167 // This is just a sample implementation of entity handler.
168 // Entity handler can be implemented in several ways by the manufacturer
169 OCEntityHandlerResult entityHandler(std::shared_ptr<OCResourceRequest> request)
171 cout << "\tIn Server CPP entity handler:\n";
172 OCEntityHandlerResult ehResult = OC_EH_ERROR;
175 // Get the request type and request flag
176 std::string requestType = request->getRequestType();
177 int requestFlag = request->getRequestHandlerFlag();
179 if(requestFlag & RequestHandlerFlag::InitFlag)
181 cout << "\t\trequestFlag : Init\n";
183 // entity handler to perform resource initialization operations
185 if(requestFlag & RequestHandlerFlag::RequestFlag)
187 cout << "\t\trequestFlag : Request\n";
188 auto pResponse = std::make_shared<OC::OCResourceResponse>();
189 pResponse->setRequestHandle(request->getRequestHandle());
190 pResponse->setResourceHandle(request->getResourceHandle());
192 // If the request type is GET
193 if(requestType == "GET")
195 cout << "\t\t\trequestType : GET\n";
196 if(isSlowResponse) // Slow response case
198 static int startedThread = 0;
201 std::thread t(handleSlowResponse, (void *)this, request);
205 ehResult = OC_EH_SLOW;
207 else // normal response case.
209 pResponse->setErrorCode(200);
210 pResponse->setResponseResult(OC_EH_OK);
211 pResponse->setResourceRepresentation(get());
212 if(OC_STACK_OK == OCPlatform::sendResponse(pResponse))
218 else if(requestType == "PUT")
220 cout << "\t\t\trequestType : PUT\n";
221 OCRepresentation rep = request->getResourceRepresentation();
223 // Do related operations related to PUT request
224 // Update the lightResource
226 pResponse->setErrorCode(200);
227 pResponse->setResponseResult(OC_EH_OK);
228 pResponse->setResourceRepresentation(get());
229 if(OC_STACK_OK == OCPlatform::sendResponse(pResponse))
234 else if(requestType == "POST")
236 cout << "\t\t\trequestType : POST\n";
238 OCRepresentation rep = request->getResourceRepresentation();
240 // Do related operations related to POST request
241 OCRepresentation rep_post = post(rep);
242 pResponse->setResourceRepresentation(rep_post);
243 pResponse->setErrorCode(200);
244 if(rep_post.hasAttribute("createduri"))
246 pResponse->setResponseResult(OC_EH_RESOURCE_CREATED);
247 pResponse->setNewResourceUri(rep_post.getValue<std::string>("createduri"));
250 if(OC_STACK_OK == OCPlatform::sendResponse(pResponse))
255 else if(requestType == "DELETE")
257 // DELETE request operations
263 std::cout << "Request invalid" << std::endl;
270 void * handleSlowResponse (void *param, std::shared_ptr<OCResourceRequest> pRequest)
272 // This function handles slow response case
273 LightResource* lightPtr = (LightResource*) param;
274 // Induce a case for slow response by using sleep
275 std::cout << "SLOW response" << std::endl;
278 auto pResponse = std::make_shared<OC::OCResourceResponse>();
279 pResponse->setRequestHandle(pRequest->getRequestHandle());
280 pResponse->setResourceHandle(pRequest->getResourceHandle());
281 pResponse->setResourceRepresentation(lightPtr->get());
282 pResponse->setErrorCode(200);
283 pResponse->setResponseResult(OC_EH_OK);
285 // Set the slow response flag back to false
286 isSlowResponse = false;
287 OCPlatform::sendResponse(pResponse);
292 int main(int argc, char* argv[])
294 // Create PlatformConfig object
296 OC::ServiceType::InProc,
297 OC::ModeType::Server,
298 "0.0.0.0", // By setting to "0.0.0.0", it binds to all available interfaces
299 0, // Uses randomly available port
300 OC::QualityOfService::LowQos
303 OCPlatform::Configure(cfg);
306 // Create the instance of the resource class
307 // (in this case instance of class 'LightResource').
308 LightResource myLight;
310 // Invoke createResource function of class light.
311 myLight.createResource();
313 myLight.addType(std::string("core.brightlight"));
314 myLight.addInterface(std::string(LINK_INTERFACE));
316 // A condition variable will free the mutex it is given, then do a non-
317 // intensive block until 'notify' is called on it. In this case, since we
318 // don't ever call cv.notify, this should be a non-processor intensive version
321 std::condition_variable cv;
322 std::unique_lock<std::mutex> lock(blocker);
325 catch(OCException& e)
327 oclog() << "Exception in main: "<< e.what();
330 // No explicit call to stop the platform.
331 // When OCPlatform::destructor is invoked, internally we do platform cleanup