#include <functional>
#include <pthread.h>
+#include <mutex>
+#include <condition_variable>
#include "OCPlatform.h"
#include "OCApi.h"
int gObservation = 0;
void * ChangeLightRepresentation (void *param);
+void * handleSlowResponse (void *param, std::shared_ptr<OCResourceRequest> pRequest);
// Specifies where to notify all observers or list of observers
// false: notifies all observers
// true: secure resource
bool isSecure = false;
+/// Specifies whether Entity handler is going to do slow response or not
+bool isSlowResponse = false;
+
// Forward declaring the entityHandler
/// This class represents a single resource named 'lightResource'. This resource has
/// This function internally calls registerResource API.
void createResource()
{
- std::string resourceURI = m_lightUri; // URI of the resource
- std::string resourceTypeName = "core.light"; // resource type name. In this case, it is light
+ std::string resourceURI = m_lightUri; //URI of the resource
+ std::string resourceTypeName = "core.light"; //resource type name. In this case, it is light
std::string resourceInterface = DEFAULT_INTERFACE; // resource interface.
// OCResourceProperty is defined ocstack.h
{
resourceProperty = OC_DISCOVERABLE | OC_OBSERVABLE;
}
- EntityHandler cb = std::bind(&LightResource::entityHandler, this,PH::_1, PH::_2);
+ EntityHandler cb = std::bind(&LightResource::entityHandler, this,PH::_1);
// This will internally create and register the resource.
OCStackResult result = OCPlatform::registerResource(
{
resourceProperty = OC_DISCOVERABLE | OC_OBSERVABLE;
}
- EntityHandler cb = std::bind(&LightResource::entityHandler, this,PH::_1, PH::_2);
+ EntityHandler cb = std::bind(&LightResource::entityHandler, this,PH::_1);
OCResourceHandle resHandle;
private:
// This is just a sample implementation of entity handler.
// Entity handler can be implemented in several ways by the manufacturer
-OCEntityHandlerResult entityHandler(std::shared_ptr<OCResourceRequest> request,
- std::shared_ptr<OCResourceResponse> response)
+OCEntityHandlerResult entityHandler(std::shared_ptr<OCResourceRequest> request)
{
- OCEntityHandlerResult result = OC_EH_OK;
-
cout << "\tIn Server CPP entity handler:\n";
-
+ OCEntityHandlerResult ehResult = OC_EH_ERROR;
if(request)
{
// Get the request type and request flag
if(requestFlag & RequestHandlerFlag::RequestFlag)
{
cout << "\t\trequestFlag : Request\n";
+ auto pResponse = std::make_shared<OC::OCResourceResponse>();
+ pResponse->setRequestHandle(request->getRequestHandle());
+ pResponse->setResourceHandle(request->getResourceHandle());
// If the request type is GET
if(requestType == "GET")
{
cout << "\t\t\trequestType : GET\n";
-
- if(response)
+ if(isSlowResponse) // Slow response case
{
- // TODO Error Code
- response->setErrorCode(200);
-
- response->setResourceRepresentation(get());
+ static int startedThread = 0;
+ if(!startedThread)
+ {
+ std::thread t(handleSlowResponse, (void *)this, request);
+ startedThread = 1;
+ t.detach();
+ }
+ ehResult = OC_EH_SLOW;
+ }
+ else // normal response case.
+ {
+ pResponse->setErrorCode(200);
+ pResponse->setResponseResult(OC_EH_OK);
+ pResponse->setResourceRepresentation(get());
+ if(OC_STACK_OK == OCPlatform::sendResponse(pResponse))
+ {
+ ehResult = OC_EH_OK;
+ }
}
}
else if(requestType == "PUT")
{
cout << "\t\t\trequestType : PUT\n";
-
OCRepresentation rep = request->getResourceRepresentation();
// Do related operations related to PUT request
-
// Update the lightResource
put(rep);
-
- if(response)
+ pResponse->setErrorCode(200);
+ pResponse->setResponseResult(OC_EH_OK);
+ pResponse->setResourceRepresentation(get());
+ if(OC_STACK_OK == OCPlatform::sendResponse(pResponse))
{
- // TODO Error Code
- response->setErrorCode(200);
-
- response->setResourceRepresentation(get());
+ ehResult = OC_EH_OK;
}
-
}
else if(requestType == "POST")
{
OCRepresentation rep = request->getResourceRepresentation();
// Do related operations related to POST request
-
OCRepresentation rep_post = post(rep);
-
- if(response)
+ pResponse->setResourceRepresentation(rep_post);
+ pResponse->setErrorCode(200);
+ if(rep_post.hasAttribute("createduri"))
{
- // TODO Error Code
- response->setErrorCode(200);
-
- response->setResourceRepresentation(rep_post);
-
- if(rep_post.hasAttribute("createduri"))
- {
- result = OC_EH_RESOURCE_CREATED;
-
- response->setNewResourceUri(rep_post.getValue<std::string>("createduri"));
- }
-
+ pResponse->setResponseResult(OC_EH_RESOURCE_CREATED);
+ pResponse->setNewResourceUri(rep_post.getValue<std::string>("createduri"));
+ }
+ else
+ {
+ pResponse->setResponseResult(OC_EH_OK);
}
- // POST request operations
+ if(OC_STACK_OK == OCPlatform::sendResponse(pResponse))
+ {
+ ehResult = OC_EH_OK;
+ }
}
else if(requestType == "DELETE")
{
pthread_create (&threadId, NULL, ChangeLightRepresentation, (void *)this);
startedThread = 1;
}
+ ehResult = OC_EH_OK;
}
}
else
std::cout << "Request invalid" << std::endl;
}
- return result;
+ return ehResult;
}
};
return NULL;
}
+void * handleSlowResponse (void *param, std::shared_ptr<OCResourceRequest> pRequest)
+{
+ // This function handles slow response case
+ LightResource* lightPtr = (LightResource*) param;
+ // Induce a case for slow response by using sleep
+ std::cout << "SLOW response" << std::endl;
+ sleep (10);
+
+ auto pResponse = std::make_shared<OC::OCResourceResponse>();
+ pResponse->setRequestHandle(pRequest->getRequestHandle());
+ pResponse->setResourceHandle(pRequest->getResourceHandle());
+ pResponse->setResourceRepresentation(lightPtr->get());
+ pResponse->setErrorCode(200);
+ pResponse->setResponseResult(OC_EH_OK);
+
+ // Set the slow response flag back to false
+ isSlowResponse = false;
+ OCPlatform::sendResponse(pResponse);
+ return NULL;
+}
+
void PrintUsage()
{
std::cout << std::endl;
- std::cout << "Usage : simpleserver < secure resource and observer >\n";
+ std::cout << "Usage : simpleserver <value>\n";
std::cout << " Default - Non-secure resource and notify all observers\n";
std::cout << " 1 - Non-secure resource and notify list of observers\n\n";
std::cout << " 2 - Secure resource and notify all observers\n";
std::cout << " 3 - Secure resource and notify list of observers\n\n";
+ std::cout << " 4 - Non-secure resource, GET slow response, notify all observers\n";
}
-int main(int argc, char* argv[1])
+int main(int argc, char* argv[])
{
PrintUsage();
isListOfObservers = true;
isSecure = true;
break;
+ case 4:
+ isSlowResponse = true;
default:
break;
}
OCPlatform::Configure(cfg);
try
{
- // Create the instance of the resource class (in this case instance of class 'LightResource').
+ // Create the instance of the resource class
+ // (in this case instance of class 'LightResource').
LightResource myLight;
// Invoke createResource function of class light.
myLight.addType(std::string("core.brightlight"));
myLight.addInterface(std::string("oc.mi.ll"));
- // Perform app tasks
- while(true)
- {
- // some tasks
- }
+
+ // A condition variable will free the mutex it is given, then do a non-
+ // intensive block until 'notify' is called on it. In this case, since we
+ // don't ever call cv.notify, this should be a non-processor intensive version
+ // of while(true);
+ std::mutex blocker;
+ std::condition_variable cv;
+ std::unique_lock<std::mutex> lock(blocker);
+ cv.wait(lock);
}
catch(OCException e)
{
// No explicit call to stop the platform.
// When OCPlatform::destructor is invoked, internally we do platform cleanup
+
+ return 0;
}
projects / platform / upstream / iotivity.git / blobdiff