Check Device Operational State
[platform/upstream/iotivity.git] / resource / csdk / stack / src / ocstack.c
index a0e4029..8f77cf7 100644 (file)
@@ -151,9 +151,6 @@ static const char COAP_TCP_SCHEME[] = "coap+tcp:";
 static const char COAPS_TCP_SCHEME[] = "coaps+tcp:";
 static const char CORESPEC[] = "core";
 
-CAAdapterStateChangedCB g_adapterHandler = NULL;
-CAConnectionStateChangedCB g_connectionHandler = NULL;
-
 #if defined(__WITH_DTLS__) || defined (__WITH_TLS__)
 static OCOtmEventHandler_t g_otmEventHandler = {NULL, NULL};
 #endif
@@ -272,11 +269,11 @@ static void deleteResourceType(OCResourceType *resourceType);
 static void deleteResourceInterface(OCResourceInterface *resourceInterface);
 
 /**
- * Delete all child resources.
+ * Unbind all child resources.
  *
- * @param resourceChild Specified binded resource is deleted from parent.
+ * @param resourceChild Specified binded resource head is deleted from parent.
  */
-static void deleteResourceChild(OCChildResource *resourceChild);
+static void unbindChildResources(OCChildResource *resourceChild);
 
 /**
  * Delete all of the dynamically allocated elements that were created for the resource.
@@ -431,15 +428,6 @@ static void OCDefaultAdapterStateChangedHandler(CATransportAdapter_t adapter, bo
  */
 static void OCDefaultConnectionStateChangedHandler(const CAEndpoint_t *info, bool isConnected);
 
-/**
- * Register network monitoring callback.
- * Network status changes are delivered these callback.
- * @param adapterHandler        Adapter state monitoring callback.
- * @param connectionHandler     Connection state monitoring callback.
- */
-static void OCSetNetworkMonitorHandler(CAAdapterStateChangedCB adapterHandler,
-                                       CAConnectionStateChangedCB connectionHandler);
-
 //-----------------------------------------------------------------------------
 // Internal functions
 //-----------------------------------------------------------------------------
@@ -731,6 +719,9 @@ OCStackResult CAResponseToOCStackResult(CAResponseResult_t caCode)
         case CA_FORBIDDEN_REQ:
             ret = OC_STACK_FORBIDDEN_REQ;
             break;
+        case CA_TOO_MANY_REQUESTS:
+            ret = OC_STACK_TOO_MANY_REQUESTS;
+            break;
         case CA_INTERNAL_SERVER_ERROR:
             ret = OC_STACK_INTERNAL_SERVER_ERROR;
             break;
@@ -816,6 +807,9 @@ CAResponseResult_t OCToCAStackResult(OCStackResult ocCode, OCMethod method)
         case OC_STACK_FORBIDDEN_REQ:
             ret = CA_FORBIDDEN_REQ;
             break;
+        case OC_STACK_TOO_MANY_REQUESTS:
+            ret = CA_TOO_MANY_REQUESTS;
+            break;
         case OC_STACK_INTERNAL_SERVER_ERROR:
             ret = CA_INTERNAL_SERVER_ERROR;
             break;
@@ -1245,6 +1239,7 @@ OCStackResult HandlePresenceResponse(const CAEndpoint_t *endpoint,
                     OIC_LOG(ERROR, TAG,
                                   "Could not allocate memory for cbNode->presence->timeOut");
                     OICFree(cbNode->presence);
+                    cbNode->presence = NULL;
                     result = OC_STACK_NO_MEMORY;
                     goto exit;
                 }
@@ -1547,6 +1542,7 @@ void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* resp
                 }
                 else
                 {
+                    OICFree((void *)response.resourceUri);
                     response.resourceUri = OICStrdup(cbNode->requestUri);
                 }
             }
@@ -1586,13 +1582,20 @@ void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* resp
                     return;
                 }
 
-                for (uint8_t i = start; i < responseInfo->info.numOptions; i++)
+                if (response.numRcvdVendorSpecificHeaderOptions > 0)
                 {
-                    if(&(responseInfo->info.options[i]))
+                    response.rcvdVendorSpecificHeaderOptions =
+                        (OCHeaderOption *) OICCalloc(response.numRcvdVendorSpecificHeaderOptions, sizeof(OCHeaderOption));
+                    if (NULL == response.rcvdVendorSpecificHeaderOptions)
                     {
-                        memcpy (&(response.rcvdVendorSpecificHeaderOptions[i-start]),
-                                &(responseInfo->info.options[i]), sizeof(OCHeaderOption));
+                        OIC_LOG(ERROR, TAG, "Failed to allocate memory for vendor header options");
+                        OCPayloadDestroy(response.payload);
+                        OICFree((void *)response.resourceUri);
+                        return;
                     }
+
+                    memcpy(response.rcvdVendorSpecificHeaderOptions, responseInfo->info.options + start,
+                        response.numRcvdVendorSpecificHeaderOptions*sizeof(OCHeaderOption));
                 }
             }
 
@@ -1686,6 +1689,7 @@ void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* resp
 
             OICFree((void *)response.resourceUri);
             OCPayloadDestroy(response.payload);
+            OICFree(response.rcvdVendorSpecificHeaderOptions);
         }
         return;
     }
@@ -2203,10 +2207,20 @@ void OCHandleRequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* reque
         OICFree(serverRequest.requestToken);
         return;
     }
+
     serverRequest.numRcvdVendorSpecificHeaderOptions = tempNum;
     if (serverRequest.numRcvdVendorSpecificHeaderOptions && requestInfo->info.options)
     {
-        memcpy (&(serverRequest.rcvdVendorSpecificHeaderOptions), requestInfo->info.options,
+        serverRequest.rcvdVendorSpecificHeaderOptions = (OCHeaderOption*) OICCalloc(tempNum, sizeof(OCHeaderOption));
+        if (NULL == serverRequest.rcvdVendorSpecificHeaderOptions)
+        {
+            OIC_LOG(ERROR, TAG, "Failed to allocated memory to vnd header options!");
+            OICFree(serverRequest.payload);
+            OICFree(serverRequest.requestToken);
+            return;
+        }
+
+        memcpy (serverRequest.rcvdVendorSpecificHeaderOptions, requestInfo->info.options,
             sizeof(CAHeaderOption_t)*tempNum);
     }
 
@@ -2245,6 +2259,12 @@ void OCHandleRequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* reque
     {
         OIC_LOG_V(ERROR, TAG, "HandleStackRequests failed. error: %d", requestResult);
 
+        // Delete observer node if it is OBSERVE failure from app
+        if (serverRequest.observationOption == OC_OBSERVE_REGISTER)
+        {
+            DeleteObserverUsingToken(requestInfo->info.token, requestInfo->info.tokenLength);
+        }
+
         CAResponseResult_t stackResponse =
             OCToCAStackResult(requestResult, serverRequest.method);
 
@@ -2258,6 +2278,7 @@ void OCHandleRequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* reque
     // The token is copied in there, and is thus still owned by this function.
     OICFree(serverRequest.payload);
     OICFree(serverRequest.requestToken);
+    OICFree(serverRequest.rcvdVendorSpecificHeaderOptions);
     OIC_LOG(INFO, TAG, "Exit OCHandleRequests");
 }
 
@@ -2510,7 +2531,7 @@ OCStackResult OCInit2(OCMode mode, OCTransportFlags serverFlags, OCTransportFlag
     }
 #endif
 
-    InitializeObseverList();
+    InitializeObserverList();
 
 exit:
     if(result != OC_STACK_OK)
@@ -2568,7 +2589,7 @@ OCStackResult OCStop()
 
     TerminateScheduleResourceList();
     // Remove all observers
-    TerminateObserverList();
+    DeleteObserverList();
     // Free memory dynamically allocated for resources
     deleteAllResources();
     // Remove all the client callbacks
@@ -2580,6 +2601,9 @@ OCStackResult OCStop()
     // TODO after BeachHead delivery: consolidate into single SRMDeInit()
     SRMDeInitPolicyEngine();
 
+    // Destroy Observer List Mutex
+    TerminateObserverList();
+
     stackState = OC_STACK_UNINITIALIZED;
     return OC_STACK_OK;
 }
@@ -3106,6 +3130,8 @@ OCStackResult OCDoRequest(OCDoHandle *handle,
         goto exit;
     }
 
+    cbData = NULL;        // Client CB list entry now owns it
+    token = NULL;         // Client CB list entry now owns it
     devAddr = NULL;       // Client CB list entry now owns it
     resourceUri = NULL;   // Client CB list entry now owns it
     resourceType = NULL;  // Client CB list entry now owns it
@@ -3140,6 +3166,10 @@ exit:
     if (result != OC_STACK_OK)
     {
         OIC_LOG(ERROR, TAG, "OCDoResource error");
+        if (NULL != cbData && NULL != cbData->cd)
+        {
+            cbData->cd(cbData->context);
+        }
         FindAndDeleteClientCB(clientCB);
         CADestroyToken(token);
         if (handle)
@@ -3305,10 +3335,11 @@ OCStackResult OCProcessPresence()
     // to most purposes.  Uncomment as needed.
     //OIC_LOG(INFO, TAG, "Entering RequestPresence");
     ClientCB* cbNode = NULL;
+    ClientCB* tempcbNode = NULL;
     OCClientResponse clientResponse;
     OCStackApplicationResult cbResult = OC_STACK_DELETE_TRANSACTION;
 
-    LL_FOREACH(cbList, cbNode)
+    LL_FOREACH_SAFE(cbList, cbNode, tempcbNode)
     {
         if (OC_REST_PRESENCE != cbNode->method || !cbNode->presence)
         {
@@ -3354,6 +3385,7 @@ OCStackResult OCProcessPresence()
             {
                 FindAndDeleteClientCB(cbNode);
             }
+            continue;
         }
 
         if (now < cbNode->presence->timeOut[cbNode->presence->TTLlevel])
@@ -3974,6 +4006,37 @@ OCStackResult OCBindResourceTypeToResource(OCResourceHandle handle,
     return result;
 }
 
+OCStackResult OCResetResourceTypes(OCResourceHandle handle,
+                                   const char *newResourceType)
+{
+    OCStackResult result = OC_STACK_ERROR;
+    OCResource *resource = NULL;
+
+    resource = findResource((OCResource *) handle);
+    if (!resource)
+    {
+        OIC_LOG(ERROR, TAG, "Resource not found");
+        return OC_STACK_ERROR;
+    }
+
+    // Clear all bound resource types
+    deleteResourceType(resource->rsrcType);
+    resource->rsrcType = NULL;
+
+    // Bind new resource type to resource
+    result = BindResourceTypeToResource(resource, newResourceType);
+
+#ifdef WITH_PRESENCE
+    if(presenceResource.handle)
+    {
+        ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
+        SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
+    }
+#endif
+
+    return result;
+}
+
 OCStackResult OCBindResourceInterfaceToResource(OCResourceHandle handle,
         const char *resourceInterfaceName)
 {
@@ -4001,6 +4064,37 @@ OCStackResult OCBindResourceInterfaceToResource(OCResourceHandle handle,
     return result;
 }
 
+OCStackResult OCResetResourceInterfaces(OCResourceHandle handle,
+                                        const char *newResourceInterface)
+{
+    OCStackResult result = OC_STACK_ERROR;
+    OCResource *resource = NULL;
+
+    resource = findResource((OCResource *) handle);
+    if (!resource)
+    {
+        OIC_LOG(ERROR, TAG, "Resource not found");
+        return OC_STACK_ERROR;
+    }
+
+    // Clear all bound interface
+    deleteResourceInterface(resource->rsrcInterface);
+    resource->rsrcInterface = NULL;
+
+    // Bind new interface to resource
+    result = BindResourceInterfaceToResource(resource, newResourceInterface);
+
+#ifdef WITH_PRESENCE
+    if (presenceResource.handle)
+    {
+        ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
+        SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
+    }
+#endif
+
+    return result;
+}
+
 OCStackResult OCGetNumberOfResources(uint8_t *numResources)
 {
     OCResource *pointer = headResource;
@@ -4614,6 +4708,9 @@ OCStackResult deleteResource(OCResource *resource)
                 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_DELETE);
             }
 #endif
+            // Delete resource's all observers
+            DeleteObserverUsingResource(resource);
+
             // Only resource in list.
             if (temp == headResource && temp == tailResource)
             {
@@ -4674,7 +4771,7 @@ void deleteResourceElements(OCResource *resource)
     }
     if (resource->rsrcChildResourcesHead)
     {
-        deleteResourceChild(resource->rsrcChildResourcesHead);
+        unbindChildResources(resource->rsrcChildResourcesHead);
         resource->rsrcChildResourcesHead = NULL;
     }
     if (resource->rsrcAttributes)
@@ -4682,6 +4779,8 @@ void deleteResourceElements(OCResource *resource)
         OCDeleteResourceAttributes(resource->rsrcAttributes);
         resource->rsrcAttributes = NULL;
     }
+
+    resource->entityHandler = NULL;
     resource = NULL;
 }
 
@@ -4716,18 +4815,13 @@ void deleteResourceInterface(OCResourceInterface *resourceInterface)
     }
 }
 
-void deleteResourceChild(OCChildResource *resourceChild)
+void unbindChildResources(OCChildResource *head)
 {
     OCChildResource *next = NULL;
-    for (OCChildResource *pointer = resourceChild; pointer; pointer = next)
+    for (OCChildResource *current = head; current; current = next)
     {
-        next = pointer->next ? pointer->next : NULL;
-        if (pointer->rsrcResource)
-        {
-            deleteResourceElements(pointer->rsrcResource);
-            pointer->rsrcResource = NULL;
-        }
-        OICFree(pointer);
+        next = current->next;
+        OICFree(current);
     }
 }
 
@@ -5321,7 +5415,7 @@ OCStackResult OCGetResourceIns(OCResourceHandle handle, int64_t *ins)
 #endif
 
 OCStackResult OCSetHeaderOption(OCHeaderOption* ocHdrOpt, size_t* numOptions, uint16_t optionID,
-                                void* optionData, size_t optionDataLength)
+                                const void* optionData, size_t optionDataLength)
 {
     if (!ocHdrOpt)
     {
@@ -5403,19 +5497,14 @@ OCStackResult OCGetHeaderOption(OCHeaderOption* ocHdrOpt, size_t numOptions, uin
 void OCDefaultAdapterStateChangedHandler(CATransportAdapter_t adapter, bool enabled)
 {
     OIC_LOG(DEBUG, TAG, "OCDefaultAdapterStateChangedHandler");
-    if (g_adapterHandler)
-    {
-        g_adapterHandler(adapter, enabled);
-    }
+    
+    OC_UNUSED(adapter);
+    OC_UNUSED(enabled);
 }
 
 void OCDefaultConnectionStateChangedHandler(const CAEndpoint_t *info, bool isConnected)
 {
     OIC_LOG(DEBUG, TAG, "OCDefaultConnectionStateChangedHandler");
-    if (g_connectionHandler)
-    {
-       g_connectionHandler(info, isConnected);
-    }
 
     /*
      * If the client observes one or more resources over a reliable connection,
@@ -5433,14 +5522,6 @@ void OCDefaultConnectionStateChangedHandler(const CAEndpoint_t *info, bool isCon
     }
 }
 
-void OCSetNetworkMonitorHandler(CAAdapterStateChangedCB adapterHandler,
-                                CAConnectionStateChangedCB connectionHandler)
-{
-    OIC_LOG(DEBUG, TAG, "OCSetNetworkMonitorHandler");
-    g_adapterHandler = adapterHandler;
-    g_connectionHandler = connectionHandler;
-}
-
 OCStackResult OCGetDeviceId(OCUUIdentity *deviceId)
 {
     OicUuid_t oicUuid;
@@ -5489,6 +5570,17 @@ OCStackResult OCGetDeviceOwnedState(bool *isOwned)
     return ret;
 }
 
+OCStackResult OCGetDeviceOperationalState(bool* isOp)
+{
+    if(NULL != isOp)
+    {
+        *isOp = GetPstatIsop();
+        return OC_STACK_OK;
+    }
+
+    return OC_STACK_ERROR;
+}
+
 void OCClearCallBackList()
 {
     DeleteClientCBList();