1 //******************************************************************
3 // Copyright 2014 Intel Mobile Communications GmbH All Rights Reserved.
5 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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
11 // http://www.apache.org/licenses/LICENSE-2.0
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.
19 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
22 /// This sample provides steps to define an interface for a resource
23 /// (properties and methods) and host this resource on the server.
26 #include "iotivity_config.h"
33 #include <condition_variable>
35 #include "OCPlatform.h"
42 #include "ocpayload.h"
46 namespace PH = std::placeholders;
49 void * ChangeLightRepresentation (void *param);
51 // Set of strings for each of platform Info fields
52 std::string platformId = "0A3E0D6F-DBF5-404E-8719-D6880042463A";
53 std::string manufacturerName = "OCF";
54 std::string manufacturerLink = "https://www.iotivity.org";
55 std::string modelNumber = "myModelNumber";
56 std::string dateOfManufacture = "2016-01-15";
57 std::string platformVersion = "myPlatformVersion";
58 std::string operatingSystemVersion = "myOS";
59 std::string hardwareVersion = "myHardwareVersion";
60 std::string firmwareVersion = "1.0";
61 std::string supportLink = "https://www.iotivity.org";
62 std::string systemTime = "2016-01-15T11.01";
64 // Set of strings for each of device info fields
65 std::string deviceName = "IoTivity Simple Server HQ";
66 std::string specVersion = "core.1.1.0";
67 std::vector<std::string> dataModelVersions = {"res.1.1.0"};
68 std::string protocolIndependentID = "88b3584f-d7bc-4e56-9210-0e8b305202c3";
70 // OCPlatformInfo Contains all the platform info to be stored
71 OCPlatformInfo platformInfo;
73 // Specifies where to notify all observers or list of observers
74 // 0 - notifies all observers
75 // 1 - notifies list of observers
76 int isListOfObservers = 0;
78 /// This class represents a single resource named 'lightResource'. This resource has
79 /// two simple properties named 'state' and 'power'
85 /// Access this property from a TB client
89 std::string m_lightUri;
90 OCResourceHandle m_resourceHandle;
91 OCRepresentation m_lightRep;
92 ObservationIds m_interestedObservers;
96 LightResource(PlatformConfig& /*cfg*/)
97 :m_name("John's light"), m_state(false), m_power(0), m_lightUri("/a/light") {
98 // Initialize representation
99 m_lightRep.setUri(m_lightUri);
101 m_lightRep.setValue("state", m_state);
102 m_lightRep.setValue("power", m_power);
103 m_lightRep.setValue("name", m_name);
106 /* Note that this does not need to be a member function: for classes you do not have
107 access to, you can accomplish this with a free function: */
109 /// This function internally calls registerResource API.
110 void createResource()
112 std::string resourceURI = m_lightUri; // URI of the resource
113 // resource type name. In this case, it is light
114 std::string resourceTypeName = "core.light";
115 std::string resourceInterface = DEFAULT_INTERFACE; // resource interface.
117 // OCResourceProperty is defined ocstack.h
118 uint8_t resourceProperty = OC_DISCOVERABLE | OC_OBSERVABLE;
120 EntityHandler cb = std::bind(&LightResource::entityHandler, this,PH::_1);
122 // This will internally create and register the resource.
123 OCStackResult result = OCPlatform::registerResource(
124 m_resourceHandle, resourceURI, resourceTypeName,
125 resourceInterface, cb, resourceProperty);
127 if (OC_STACK_OK != result)
129 cout << "Resource creation was unsuccessful\n";
133 OCStackResult createResource1()
135 std::string resourceURI = "/a/light1"; // URI of the resource
136 std::string resourceTypeName = "core.light"; // resource type name. In this case, it is light
137 std::string resourceInterface = DEFAULT_INTERFACE; // resource interface.
139 // OCResourceProperty is defined ocstack.h
140 uint8_t resourceProperty = OC_DISCOVERABLE | OC_OBSERVABLE;
142 EntityHandler cb = std::bind(&LightResource::entityHandler, this,PH::_1);
144 OCResourceHandle resHandle;
146 // This will internally create and register the resource.
147 OCStackResult result = OCPlatform::registerResource(
148 resHandle, resourceURI, resourceTypeName,
149 resourceInterface, cb, resourceProperty);
151 if (OC_STACK_OK != result)
153 cout << "Resource creation was unsuccessful\n";
159 OCResourceHandle getHandle()
161 return m_resourceHandle;
164 // Puts representation.
165 // Gets values from the representation and
166 // updates the internal state
167 void put(OCRepresentation& rep)
170 if (rep.getValue("state", m_state))
172 cout << "\t\t\t\t" << "state: " << m_state << endl;
176 cout << "\t\t\t\t" << "state not found in the representation" << endl;
179 if (rep.getValue("power", m_power))
181 cout << "\t\t\t\t" << "power: " << m_power << endl;
185 cout << "\t\t\t\t" << "power not found in the representation" << endl;
190 cout << e.what() << endl;
195 // Post representation.
196 // Post can create new resource or simply act like put.
197 // Gets values from the representation and
198 // updates the internal state
199 OCRepresentation post(OCRepresentation& rep)
201 static int first = 1;
203 std::cout << "In POST\n";
205 // for the first time it tries to create a resource
208 std::cout << "In POST/First\n";
212 if(OC_STACK_OK == createResource1())
214 std::cout << "Created a new resource\n";
215 OCRepresentation rep1;
216 rep1.setValue("createduri", std::string("/a/light1"));
222 // from second time onwards it just puts
228 // gets the updated representation.
229 // Updates the representation with latest internal state before
231 OCRepresentation get()
233 m_lightRep.setValue("state", m_state);
234 m_lightRep.setValue("power", m_power);
239 void addType(const std::string& type) const
241 OCStackResult result = OCPlatform::bindTypeToResource(m_resourceHandle, type);
242 if (OC_STACK_OK != result)
244 cout << "Binding TypeName to Resource was unsuccessful\n";
248 void addInterface(const std::string& iface) const
250 OCStackResult result = OCPlatform::bindInterfaceToResource(m_resourceHandle, iface);
251 if (OC_STACK_OK != result)
253 cout << "Binding TypeName to Resource was unsuccessful\n";
259 OCStackResult sendResponse(std::shared_ptr<OCResourceRequest> pRequest)
261 auto pResponse = std::make_shared<OC::OCResourceResponse>();
262 pResponse->setRequestHandle(pRequest->getRequestHandle());
263 pResponse->setResourceHandle(pRequest->getResourceHandle());
264 pResponse->setResourceRepresentation(get());
266 pResponse->setResponseResult(OC_EH_OK);
268 return OCPlatform::sendResponse(pResponse);
271 OCStackResult sendPostResponse(std::shared_ptr<OCResourceRequest> pRequest)
273 auto pResponse = std::make_shared<OC::OCResourceResponse>();
274 pResponse->setRequestHandle(pRequest->getRequestHandle());
275 pResponse->setResourceHandle(pRequest->getResourceHandle());
277 OCRepresentation rep = pRequest->getResourceRepresentation();
278 OCRepresentation rep_post = post(rep);
280 pResponse->setResourceRepresentation(rep_post);
282 pResponse->setResponseResult(OC_EH_OK);
284 return OCPlatform::sendResponse(pResponse);
287 // This is just a sample implementation of entity handler.
288 // Entity handler can be implemented in several ways by the manufacturer
289 OCEntityHandlerResult entityHandler(std::shared_ptr<OCResourceRequest> request)
291 cout << "\tIn Server CPP entity handler:\n";
292 OCEntityHandlerResult ehResult = OC_EH_ERROR;
296 // Get the request type and request flag
297 std::string requestType = request->getRequestType();
298 int requestFlag = request->getRequestHandlerFlag();
300 if(requestFlag & RequestHandlerFlag::RequestFlag)
302 cout << "\t\trequestFlag : Request\n";
304 // If the request type is GET
305 if(requestType == "GET")
307 cout << "\t\t\trequestType : GET\n";
308 if(OC_STACK_OK == sendResponse(request))
313 else if(requestType == "PUT")
315 cout << "\t\t\trequestType : PUT\n";
317 OCRepresentation rep = request->getResourceRepresentation();
318 // Do related operations related to PUT request
319 // Update the lightResource
321 if(OC_STACK_OK == sendResponse(request))
326 else if(requestType == "POST")
328 cout << "\t\t\trequestType : POST\n";
329 if(OC_STACK_OK == sendPostResponse(request))
334 else if(requestType == "DELETE")
336 // DELETE request operations
340 if(requestFlag & RequestHandlerFlag::ObserverFlag)
342 ObservationInfo observationInfo = request->getObservationInfo();
343 if(ObserveAction::ObserveRegister == observationInfo.action)
345 m_interestedObservers.push_back(observationInfo.obsId);
347 else if(ObserveAction::ObserveUnregister == observationInfo.action)
349 m_interestedObservers.erase(std::remove(
350 m_interestedObservers.begin(),
351 m_interestedObservers.end(),
352 observationInfo.obsId),
353 m_interestedObservers.end());
358 cout << "\t\trequestFlag : Observer\n";
360 static int startedThread = 0;
362 // Observation happens on a different thread in ChangeLightRepresentation function.
363 // If we have not created the thread already, we will create one here.
366 pthread_create (&threadId, NULL, ChangeLightRepresentation, (void *)this);
374 std::cout << "Request invalid" << std::endl;
382 // ChangeLightRepresentaion is an observation function,
383 // which notifies any changes to the resource to stack
384 // via notifyObservers
385 void * ChangeLightRepresentation (void *param)
387 LightResource* lightPtr = (LightResource*) param;
389 // This function continuously monitors for the changes
396 // If under observation if there are any changes to the light resource
397 // we call notifyObservors
399 // For demostration we are changing the power value and notifying.
400 lightPtr->m_power += 10;
402 cout << "\nPower updated to : " << lightPtr->m_power << endl;
403 cout << "Notifying observers with resource handle: " << lightPtr->getHandle() << endl;
405 OCStackResult result = OC_STACK_OK;
407 if(isListOfObservers)
409 std::shared_ptr<OCResourceResponse> resourceResponse =
410 std::make_shared<OCResourceResponse>();
412 resourceResponse->setResourceRepresentation(lightPtr->get(), DEFAULT_INTERFACE);
414 result = OCPlatform::notifyListOfObservers(
415 lightPtr->getHandle(),
416 lightPtr->m_interestedObservers,
418 OC::QualityOfService::HighQos);
422 result = OCPlatform::notifyAllObservers(lightPtr->getHandle(),
423 OC::QualityOfService::HighQos);
426 if(OC_STACK_NO_OBSERVERS == result)
428 cout << "No More observers, stopping notifications" << endl;
437 void DeletePlatformInfo()
439 delete[] platformInfo.platformID;
440 delete[] platformInfo.manufacturerName;
441 delete[] platformInfo.manufacturerUrl;
442 delete[] platformInfo.modelNumber;
443 delete[] platformInfo.dateOfManufacture;
444 delete[] platformInfo.platformVersion;
445 delete[] platformInfo.operatingSystemVersion;
446 delete[] platformInfo.hardwareVersion;
447 delete[] platformInfo.firmwareVersion;
448 delete[] platformInfo.supportUrl;
449 delete[] platformInfo.systemTime;
452 void DuplicateString(char ** targetString, std::string sourceString)
454 *targetString = new char[sourceString.length() + 1];
455 strncpy(*targetString, sourceString.c_str(), (sourceString.length() + 1));
458 OCStackResult SetPlatformInfo(std::string platformID, std::string manufacturerName,
459 std::string manufacturerUrl, std::string modelNumber, std::string dateOfManufacture,
460 std::string platformVersion, std::string operatingSystemVersion,
461 std::string hardwareVersion, std::string firmwareVersion, std::string supportUrl,
462 std::string systemTime)
464 DuplicateString(&platformInfo.platformID, platformID);
465 DuplicateString(&platformInfo.manufacturerName, manufacturerName);
466 DuplicateString(&platformInfo.manufacturerUrl, manufacturerUrl);
467 DuplicateString(&platformInfo.modelNumber, modelNumber);
468 DuplicateString(&platformInfo.dateOfManufacture, dateOfManufacture);
469 DuplicateString(&platformInfo.platformVersion, platformVersion);
470 DuplicateString(&platformInfo.operatingSystemVersion, operatingSystemVersion);
471 DuplicateString(&platformInfo.hardwareVersion, hardwareVersion);
472 DuplicateString(&platformInfo.firmwareVersion, firmwareVersion);
473 DuplicateString(&platformInfo.supportUrl, supportUrl);
474 DuplicateString(&platformInfo.systemTime, systemTime);
479 OCStackResult SetDeviceInfo()
481 OCStackResult result = OCPlatform::setPropertyValue(PAYLOAD_TYPE_DEVICE, OC_RSRVD_DEVICE_NAME,
483 if (result != OC_STACK_OK)
485 cout << "Failed to set device name" << endl;
489 result = OCPlatform::setPropertyValue(PAYLOAD_TYPE_DEVICE, OC_RSRVD_DATA_MODEL_VERSION,
491 if (result != OC_STACK_OK)
493 cout << "Failed to set data model versions" << endl;
497 result = OCPlatform::setPropertyValue(PAYLOAD_TYPE_DEVICE, OC_RSRVD_SPEC_VERSION, specVersion);
498 if (result != OC_STACK_OK)
500 cout << "Failed to set spec version" << endl;
504 result = OCPlatform::setPropertyValue(PAYLOAD_TYPE_DEVICE, OC_RSRVD_PROTOCOL_INDEPENDENT_ID,
505 protocolIndependentID);
506 if (result != OC_STACK_OK)
508 cout << "Failed to set piid" << endl;
517 std::cout << std::endl;
518 std::cout << "Usage : simpleserverHQ <ObserveType>\n";
519 std::cout << " ObserveType : 0 - Observe All\n";
520 std::cout << " ObserveType : 1 - Observe List of observers\n\n";
524 int main(int argc, char* argv[])
530 isListOfObservers = 0;
534 int value = atoi(argv[1]);
536 isListOfObservers = 1;
538 isListOfObservers = 0;
545 // Create PlatformConfig object
547 OC::ServiceType::InProc,
548 OC::ModeType::Server,
549 "0.0.0.0", // By setting to "0.0.0.0", it binds to all available interfaces
550 0, // Uses randomly available port
551 OC::QualityOfService::LowQos
554 OCPlatform::Configure(cfg);
555 std::cout << "Starting server & setting platform info\n";
557 OCStackResult result = SetPlatformInfo(platformId, manufacturerName, manufacturerLink,
558 modelNumber, dateOfManufacture, platformVersion, operatingSystemVersion,
559 hardwareVersion, firmwareVersion, supportLink, systemTime);
561 result = OCPlatform::registerPlatformInfo(platformInfo);
563 if (result != OC_STACK_OK)
565 std::cout << "Platform Registration failed\n";
569 result = SetDeviceInfo();
571 if (result != OC_STACK_OK)
573 std::cout << "Device Registration failed\n";
579 // Create the instance of the resource class
580 // (in this case instance of class 'LightResource').
581 LightResource myLight(cfg);
583 // Invoke createResource function of class light.
584 myLight.createResource();
586 myLight.addType(std::string("core.brightlight"));
587 myLight.addInterface(std::string(LINK_INTERFACE));
589 DeletePlatformInfo();
591 // A condition variable will free the mutex it is given, then do a non-
592 // intensive block until 'notify' is called on it. In this case, since we
593 // don't ever call cv.notify, this should be a non-processor intensive version
596 std::condition_variable cv;
597 std::unique_lock<std::mutex> lock(blocker);
598 cv.wait(lock, []{return false;});
600 catch(OCException& e)
602 oclog() << "Exception in main: "<< e.what();
605 // No explicit call to stop the platform.
606 // When OCPlatform destructor is invoked, internally we do platform cleanup