//-----------------------------------------------------------------------------
// Includes
//-----------------------------------------------------------------------------
+
+// Defining _POSIX_C_SOURCE macro with 200112L (or greater) as value
+// causes header files to expose definitions
+// corresponding to the POSIX.1-2001 base
+// specification (excluding the XSI extension).
+// For POSIX.1-2001 base specification,
+// Refer http://pubs.opengroup.org/onlinepubs/009695399/
#define _POSIX_C_SOURCE 200112L
+#ifndef __STDC_FORMAT_MACROS
+#define __STDC_FORMAT_MACROS
+#endif
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS
+#endif
+#include <inttypes.h>
#include <string.h>
+#include <ctype.h>
#include "ocstack.h"
#include "ocstackinternal.h"
#include "occlientcb.h"
#include "ocobserve.h"
#include "ocrandom.h"
-#include "debug.h"
-#include "occoap.h"
-#include "ocmalloc.h"
+#include "oic_malloc.h"
+#include "oic_string.h"
+#include "logger.h"
#include "ocserverrequest.h"
+#include "secureresourcemanager.h"
+#include "doxmresource.h"
+#include "cacommon.h"
+#include "cainterface.h"
+#include "ocpayload.h"
+#include "ocpayloadcbor.h"
+
+#if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
+#include "routingutility.h"
+#ifdef ROUTING_GATEWAY
+#include "routingmanager.h"
+#endif
+#endif
+
+#ifdef TCP_ADAPTER
+#include "oickeepalive.h"
+#endif
+
+//#ifdef DIRECT_PAIRING
+#include "directpairing.h"
+//#endif
+
+#ifdef WITH_ARDUINO
+#include "Time.h"
+#else
+#include <sys/time.h>
+#endif
+#include "coap_time.h"
+#include "utlist.h"
+#include "pdu.h"
+
+#ifndef ARDUINO
+#include <arpa/inet.h>
+#endif
+
+#ifndef UINT32_MAX
+#define UINT32_MAX (0xFFFFFFFFUL)
+#endif
//-----------------------------------------------------------------------------
// Typedefs
//-----------------------------------------------------------------------------
-typedef enum {
- OC_STACK_UNINITIALIZED = 0, OC_STACK_INITIALIZED, OC_STACK_UNINIT_IN_PROGRESS
+typedef enum
+{
+ OC_STACK_UNINITIALIZED = 0,
+ OC_STACK_INITIALIZED,
+ OC_STACK_UNINIT_IN_PROGRESS
} OCStackState;
#ifdef WITH_PRESENCE
-typedef enum {
- OC_PRESENCE_UNINITIALIZED = 0, OC_PRESENCE_INITIALIZED
+typedef enum
+{
+ OC_PRESENCE_UNINITIALIZED = 0,
+ OC_PRESENCE_INITIALIZED
} OCPresenceState;
#endif
static OCStackState stackState = OC_STACK_UNINITIALIZED;
OCResource *headResource = NULL;
+static OCResource *tailResource = NULL;
+static OCResourceHandle platformResource = {0};
+static OCResourceHandle deviceResource = {0};
#ifdef WITH_PRESENCE
static OCPresenceState presenceState = OC_PRESENCE_UNINITIALIZED;
static PresenceResource presenceResource;
-uint8_t PresenceTimeOutSize = 0;
-uint32_t PresenceTimeOut[] = {50, 75, 85, 95, 100};
+static uint8_t PresenceTimeOutSize = 0;
+static uint32_t PresenceTimeOut[] = {50, 75, 85, 95, 100};
#endif
-OCMode myStackMode;
+static OCMode myStackMode;
+#ifdef RA_ADAPTER
+//TODO: revisit this design
+static bool gRASetInfo = false;
+#endif
OCDeviceEntityHandler defaultDeviceHandler;
+void* defaultDeviceHandlerCallbackParameter = NULL;
+static const char COAP_TCP[] = "coap+tcp:";
+
+//#ifdef DIRECT_PAIRING
+OCDirectPairingCB gDirectpairingCallback = NULL;
+//#endif
//-----------------------------------------------------------------------------
// Macros
//-----------------------------------------------------------------------------
-#define TAG PCF("OCStack")
-#define VERIFY_NON_NULL(arg, logLevel, retVal) { if (!(arg)) { OC_LOG((logLevel), \
- TAG, PCF(#arg " is NULL")); return (retVal); } }
+#define TAG "OIC_RI_STACK"
+#define VERIFY_SUCCESS(op, successCode) { if ((op) != (successCode)) \
+ {OIC_LOG_V(FATAL, TAG, "%s failed!!", #op); goto exit;} }
+#define VERIFY_NON_NULL(arg, logLevel, retVal) { if (!(arg)) { OIC_LOG((logLevel), \
+ TAG, #arg " is NULL"); return (retVal); } }
+#define VERIFY_NON_NULL_NR(arg, logLevel) { if (!(arg)) { OIC_LOG((logLevel), \
+ TAG, #arg " is NULL"); return; } }
+#define VERIFY_NON_NULL_V(arg) { if (!arg) {OIC_LOG(FATAL, TAG, #arg " is NULL");\
+ goto exit;} }
//TODO: we should allow the server to define this
#define MAX_OBSERVE_AGE (0x2FFFFUL)
+
+#define MILLISECONDS_PER_SECOND (1000)
+
+//-----------------------------------------------------------------------------
+// Private internal function prototypes
+//-----------------------------------------------------------------------------
+
+/**
+ * Generate handle of OCDoResource invocation for callback management.
+ *
+ * @return Generated OCDoResource handle.
+ */
+static OCDoHandle GenerateInvocationHandle();
+
+/**
+ * Initialize resource data structures, variables, etc.
+ *
+ * @return ::OC_STACK_OK on success, some other value upon failure.
+ */
+static OCStackResult initResources();
+
+/**
+ * Add a resource to the end of the linked list of resources.
+ *
+ * @param resource Resource to be added
+ */
+static void insertResource(OCResource *resource);
+
+/**
+ * Find a resource in the linked list of resources.
+ *
+ * @param resource Resource to be found.
+ * @return Pointer to resource that was found in the linked list or NULL if the resource was not
+ * found.
+ */
+static OCResource *findResource(OCResource *resource);
+
+/**
+ * Insert a resource type into a resource's resource type linked list.
+ * If resource type already exists, it will not be inserted and the
+ * resourceType will be free'd.
+ * resourceType->next should be null to avoid memory leaks.
+ * Function returns silently for null args.
+ *
+ * @param resource Resource where resource type is to be inserted.
+ * @param resourceType Resource type to be inserted.
+ */
+static void insertResourceType(OCResource *resource,
+ OCResourceType *resourceType);
+
+/**
+ * Get a resource type at the specified index within a resource.
+ *
+ * @param handle Handle of resource.
+ * @param index Index of resource type.
+ *
+ * @return Pointer to resource type if found, NULL otherwise.
+ */
+static OCResourceType *findResourceTypeAtIndex(OCResourceHandle handle,
+ uint8_t index);
+
+/**
+ * Insert a resource interface into a resource's resource interface linked list.
+ * If resource interface already exists, it will not be inserted and the
+ * resourceInterface will be free'd.
+ * resourceInterface->next should be null to avoid memory leaks.
+ *
+ * @param resource Resource where resource interface is to be inserted.
+ * @param resourceInterface Resource interface to be inserted.
+ */
+static void insertResourceInterface(OCResource *resource,
+ OCResourceInterface *resourceInterface);
+
+/**
+ * Get a resource interface at the specified index within a resource.
+ *
+ * @param handle Handle of resource.
+ * @param index Index of resource interface.
+ *
+ * @return Pointer to resource interface if found, NULL otherwise.
+ */
+static OCResourceInterface *findResourceInterfaceAtIndex(
+ OCResourceHandle handle, uint8_t index);
+
+/**
+ * Delete all of the dynamically allocated elements that were created for the resource type.
+ *
+ * @param resourceType Specified resource type.
+ */
+static void deleteResourceType(OCResourceType *resourceType);
+
+/**
+ * Delete all of the dynamically allocated elements that were created for the resource interface.
+ *
+ * @param resourceInterface Specified resource interface.
+ */
+static void deleteResourceInterface(OCResourceInterface *resourceInterface);
+
+/**
+ * Delete all of the dynamically allocated elements that were created for the resource.
+ *
+ * @param resource Specified resource.
+ */
+static void deleteResourceElements(OCResource *resource);
+
+/**
+ * Delete resource specified by handle. Deletes resource and all resourcetype and resourceinterface
+ * linked lists.
+ *
+ * @param handle Handle of resource to be deleted.
+ *
+ * @return ::OC_STACK_OK on success, some other value upon failure.
+ */
+static OCStackResult deleteResource(OCResource *resource);
+
+/**
+ * Delete all of the resources in the resource list.
+ */
+static void deleteAllResources();
+
+/**
+ * Increment resource sequence number. Handles rollover.
+ *
+ * @param resPtr Pointer to resource.
+ */
+static void incrementSequenceNumber(OCResource * resPtr);
+
+/**
+ * Verify the lengths of the URI and the query separately.
+ *
+ * @param inputUri Input URI and query.
+ * @param uriLen The length of the initial URI with query.
+ * @return ::OC_STACK_OK on success, some other value upon failure.
+ */
+static OCStackResult verifyUriQueryLength(const char * inputUri,
+ uint16_t uriLen);
+
+/*
+ * Attempts to initialize every network interface that the CA Layer might have compiled in.
+ *
+ * Note: At least one interface must succeed to initialize. If all calls to @ref CASelectNetwork
+ * return something other than @ref CA_STATUS_OK, then this function fails.
+ *
+ * @return ::CA_STATUS_OK on success, some other value upon failure.
+ */
+static CAResult_t OCSelectNetwork();
+
+/**
+ * Get the CoAP ticks after the specified number of milli-seconds.
+ *
+ * @param afterMilliSeconds Milli-seconds.
+ * @return
+ * CoAP ticks
+ */
+static uint32_t GetTicks(uint32_t afterMilliSeconds);
+
+/**
+ * Convert CAResponseResult_t to OCStackResult.
+ *
+ * @param caCode CAResponseResult_t code.
+ * @return ::OC_STACK_OK on success, some other value upon failure.
+ */
+static OCStackResult CAToOCStackResult(CAResponseResult_t caCode);
+
+/**
+ * Convert OCStackResult to CAResponseResult_t.
+ *
+ * @param caCode OCStackResult code.
+ * @param method OCMethod method the return code replies to.
+ * @return ::CA_CONTENT on OK, some other value upon failure.
+ */
+static CAResponseResult_t OCToCAStackResult(OCStackResult ocCode, OCMethod method);
+
+/**
+ * Convert OCTransportFlags_t to CATransportModifiers_t.
+ *
+ * @param ocConType OCTransportFlags_t input.
+ * @return CATransportFlags
+ */
+static CATransportFlags_t OCToCATransportFlags(OCTransportFlags ocConType);
+
+/**
+ * Convert CATransportFlags_t to OCTransportModifiers_t.
+ *
+ * @param caConType CATransportFlags_t input.
+ * @return OCTransportFlags
+ */
+static OCTransportFlags CAToOCTransportFlags(CATransportFlags_t caConType);
+
+/**
+ * Handle response from presence request.
+ *
+ * @param endPoint CA remote endpoint.
+ * @param responseInfo CA response info.
+ * @return ::OC_STACK_OK on success, some other value upon failure.
+ */
+static OCStackResult HandlePresenceResponse(const CAEndpoint_t *endPoint,
+ const CAResponseInfo_t *responseInfo);
+
+/**
+ * This function will be called back by CA layer when a response is received.
+ *
+ * @param endPoint CA remote endpoint.
+ * @param responseInfo CA response info.
+ */
+static void HandleCAResponses(const CAEndpoint_t* endPoint,
+ const CAResponseInfo_t* responseInfo);
+
+/**
+ * This function will be called back by CA layer when a request is received.
+ *
+ * @param endPoint CA remote endpoint.
+ * @param requestInfo CA request info.
+ */
+static void HandleCARequests(const CAEndpoint_t* endPoint,
+ const CARequestInfo_t* requestInfo);
+
+/**
+ * Extract query from a URI.
+ *
+ * @param uri Full URI with query.
+ * @param query Pointer to string that will contain query.
+ * @param newURI Pointer to string that will contain URI.
+ * @return ::OC_STACK_OK on success, some other value upon failure.
+ */
+static OCStackResult getQueryFromUri(const char * uri, char** resourceType, char ** newURI);
+
+/**
+ * Finds a resource type in an OCResourceType link-list.
+ *
+ * @param resourceTypeList The link-list to be searched through.
+ * @param resourceTypeName The key to search for.
+ *
+ * @return Resource type that matches the key (ie. resourceTypeName) or
+ * NULL if there is either an invalid parameter or this function was unable to find the key.
+ */
+static OCResourceType *findResourceType(OCResourceType * resourceTypeList,
+ const char * resourceTypeName);
+
+/**
+ * Reset presence TTL for a ClientCB struct. ttlLevel will be set to 0.
+ * TTL will be set to maxAge.
+ *
+ * @param cbNode Callback Node for which presence ttl is to be reset.
+ * @param maxAge New value of ttl in seconds.
+
+ * @return ::OC_STACK_OK on success, some other value upon failure.
+ */
+static OCStackResult ResetPresenceTTL(ClientCB *cbNode, uint32_t maxAgeSeconds);
+
+/**
+ * Ensure the accept header option is set appropriatly before sending the requests and routing
+ * header option is updated with destination.
+ *
+ * @param object CA remote endpoint.
+ * @param requestInfo CA request info.
+ *
+ * @return ::OC_STACK_OK on success, some other value upon failure.
+ */
+static OCStackResult OCSendRequest(const CAEndpoint_t *object, CARequestInfo_t *requestInfo);
+
//-----------------------------------------------------------------------------
-// Externs
+// Internal functions
//-----------------------------------------------------------------------------
-extern void DeinitOCSecurityInfo();
+uint32_t GetTicks(uint32_t afterMilliSeconds)
+{
+ coap_tick_t now;
+ coap_ticks(&now);
+
+ // Guard against overflow of uint32_t
+ if (afterMilliSeconds <= ((UINT32_MAX - (uint32_t)now) * MILLISECONDS_PER_SECOND) /
+ COAP_TICKS_PER_SECOND)
+ {
+ return now + (afterMilliSeconds * COAP_TICKS_PER_SECOND)/MILLISECONDS_PER_SECOND;
+ }
+ else
+ {
+ return UINT32_MAX;
+ }
+}
+
+void CopyEndpointToDevAddr(const CAEndpoint_t *in, OCDevAddr *out)
+{
+ VERIFY_NON_NULL_NR(in, FATAL);
+ VERIFY_NON_NULL_NR(out, FATAL);
+
+ out->adapter = (OCTransportAdapter)in->adapter;
+ out->flags = CAToOCTransportFlags(in->flags);
+ OICStrcpy(out->addr, sizeof(out->addr), in->addr);
+ out->port = in->port;
+ out->interface = in->interface;
+#if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
+ memcpy(out->routeData, in->routeData, sizeof(out->routeData));
+#endif
+}
+
+void CopyDevAddrToEndpoint(const OCDevAddr *in, CAEndpoint_t *out)
+{
+ VERIFY_NON_NULL_NR(in, FATAL);
+ VERIFY_NON_NULL_NR(out, FATAL);
+
+ out->adapter = (CATransportAdapter_t)in->adapter;
+ out->flags = OCToCATransportFlags(in->flags);
+ OICStrcpy(out->addr, sizeof(out->addr), in->addr);
+#if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
+ memcpy(out->routeData, in->routeData, sizeof(out->routeData));
+#endif
+ out->port = in->port;
+ out->interface = in->interface;
+}
+
+void FixUpClientResponse(OCClientResponse *cr)
+{
+ VERIFY_NON_NULL_NR(cr, FATAL);
+
+ cr->addr = &cr->devAddr;
+ cr->connType = (OCConnectivityType)
+ ((cr->devAddr.adapter << CT_ADAPTER_SHIFT) | (cr->devAddr.flags & CT_MASK_FLAGS));
+}
+
+static OCStackResult OCSendRequest(const CAEndpoint_t *object, CARequestInfo_t *requestInfo)
+{
+ VERIFY_NON_NULL(object, FATAL, OC_STACK_INVALID_PARAM);
+ VERIFY_NON_NULL(requestInfo, FATAL, OC_STACK_INVALID_PARAM);
+
+#if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
+ OCStackResult rmResult = RMAddInfo(object->routeData, requestInfo, true, NULL);
+ if (OC_STACK_OK != rmResult)
+ {
+ OIC_LOG(ERROR, TAG, "Add destination option failed");
+ return rmResult;
+ }
+#endif
+
+ // OC stack prefer CBOR encoded payloads.
+ requestInfo->info.acceptFormat = CA_FORMAT_APPLICATION_CBOR;
+ CAResult_t result = CASendRequest(object, requestInfo);
+ if(CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR, TAG, "CASendRequest failed with CA error %u", result);
+ return CAResultToOCResult(result);
+ }
+ return OC_STACK_OK;
+}
//-----------------------------------------------------------------------------
// Internal API function
//-----------------------------------------------------------------------------
// This internal function is called to update the stack with the status of
// observers and communication failures
-OCStackResult OCStackFeedBack(OCCoAPToken * token, uint8_t status)
+OCStackResult OCStackFeedBack(CAToken_t token, uint8_t tokenLength, uint8_t status)
{
OCStackResult result = OC_STACK_ERROR;
ResourceObserver * observer = NULL;
switch(status)
{
case OC_OBSERVER_NOT_INTERESTED:
- OC_LOG(DEBUG, TAG, PCF("observer is not interested in our notifications anymore"));
- observer = GetObserverUsingToken (token);
+ OIC_LOG(DEBUG, TAG, "observer not interested in our notifications");
+ observer = GetObserverUsingToken (token, tokenLength);
if(observer)
{
- result = FormOCEntityHandlerRequest(&ehRequest, (OCRequestHandle) NULL,
- OC_REST_NOMETHOD, (OCResourceHandle) NULL, NULL, NULL, 0,
- NULL, OC_OBSERVE_DEREGISTER, observer->observeId);
+ result = FormOCEntityHandlerRequest(&ehRequest,
+ (OCRequestHandle)NULL,
+ OC_REST_NOMETHOD,
+ &observer->devAddr,
+ (OCResourceHandle)NULL,
+ NULL, PAYLOAD_TYPE_REPRESENTATION,
+ NULL, 0, 0, NULL,
+ OC_OBSERVE_DEREGISTER,
+ observer->observeId);
if(result != OC_STACK_OK)
{
return result;
}
- observer->resource->entityHandler(OC_OBSERVE_FLAG, &ehRequest);
+ observer->resource->entityHandler(OC_OBSERVE_FLAG, &ehRequest,
+ observer->resource->entityHandlerCallbackParam);
}
- //observer is not observing anymore
- result = DeleteObserverUsingToken (token);
+
+ result = DeleteObserverUsingToken (token, tokenLength);
if(result == OC_STACK_OK)
{
- OC_LOG(DEBUG, TAG, PCF("Removed observer successfully"));
+ OIC_LOG(DEBUG, TAG, "Removed observer successfully");
}
else
{
result = OC_STACK_OK;
- OC_LOG(DEBUG, TAG, PCF("Observer Removal failed"));
+ OIC_LOG(DEBUG, TAG, "Observer Removal failed");
}
break;
+
case OC_OBSERVER_STILL_INTERESTED:
- //observer is still interested
- OC_LOG(DEBUG, TAG, PCF("observer is interested in our \
- notifications, reset the failedCount"));
- observer = GetObserverUsingToken(token);
+ OIC_LOG(DEBUG, TAG, "observer still interested, reset the failedCount");
+ observer = GetObserverUsingToken (token, tokenLength);
if(observer)
{
observer->forceHighQos = 0;
result = OC_STACK_OBSERVER_NOT_FOUND;
}
break;
+
case OC_OBSERVER_FAILED_COMM:
- //observer is not reachable
- OC_LOG(DEBUG, TAG, PCF("observer is unreachable"));
- observer = GetObserverUsingToken(token);
+ OIC_LOG(DEBUG, TAG, "observer is unreachable");
+ observer = GetObserverUsingToken (token, tokenLength);
if(observer)
{
if(observer->failedCommCount >= MAX_OBSERVER_FAILED_COMM)
{
- result = FormOCEntityHandlerRequest(&ehRequest, (OCRequestHandle) NULL,
- OC_REST_NOMETHOD, (OCResourceHandle) NULL, NULL, NULL, 0,
- NULL, OC_OBSERVE_DEREGISTER, observer->observeId);
+ result = FormOCEntityHandlerRequest(&ehRequest,
+ (OCRequestHandle)NULL,
+ OC_REST_NOMETHOD,
+ &observer->devAddr,
+ (OCResourceHandle)NULL,
+ NULL, PAYLOAD_TYPE_REPRESENTATION,
+ NULL, 0, 0, NULL,
+ OC_OBSERVE_DEREGISTER,
+ observer->observeId);
if(result != OC_STACK_OK)
{
return OC_STACK_ERROR;
}
- observer->resource->entityHandler(OC_OBSERVE_FLAG, &ehRequest);
- //observer is unreachable
- result = DeleteObserverUsingToken (token);
+ observer->resource->entityHandler(OC_OBSERVE_FLAG, &ehRequest,
+ observer->resource->entityHandlerCallbackParam);
+
+ result = DeleteObserverUsingToken (token, tokenLength);
if(result == OC_STACK_OK)
{
- OC_LOG(DEBUG, TAG, PCF("Removed observer successfully"));
+ OIC_LOG(DEBUG, TAG, "Removed observer successfully");
}
else
{
result = OC_STACK_OK;
- OC_LOG(DEBUG, TAG, PCF("Observer Removal failed"));
+ OIC_LOG(DEBUG, TAG, "Observer Removal failed");
}
}
else
result = OC_STACK_CONTINUE;
}
observer->forceHighQos = 1;
- OC_LOG_V(DEBUG, TAG, "Failed count for this observer is %d",observer->failedCommCount);
+ OIC_LOG_V(DEBUG, TAG, "Failed count for this observer is %d",observer->failedCommCount);
}
break;
default:
- OC_LOG(ERROR, TAG, PCF("Unknown status"));
+ OIC_LOG(ERROR, TAG, "Unknown status");
result = OC_STACK_ERROR;
break;
}
return result;
}
-
-//This function will be called back by occoap layer when a request is received
-OCStackResult HandleStackRequests(OCServerProtocolRequest * protocolRequest)
+OCStackResult CAToOCStackResult(CAResponseResult_t caCode)
{
- OC_LOG(INFO, TAG, PCF("Entering HandleStackRequests (OCStack Layer)"));
+ OCStackResult ret = OC_STACK_ERROR;
- OCStackResult result = OC_STACK_ERROR;
- ResourceHandling resHandling;
- OCResource *resource;
-
- OCServerRequest * request = GetServerRequestUsingToken(protocolRequest->requestToken);
- if(!request)
+ switch(caCode)
{
- OC_LOG(INFO, TAG, PCF("This is a new Server Request"));
- result = AddServerRequest(&request, protocolRequest->coapID,
- protocolRequest->delayedResNeeded, protocolRequest->secured, 0,
- protocolRequest->method, protocolRequest->numRcvdVendorSpecificHeaderOptions,
- protocolRequest->observationOption, protocolRequest->qos,
- protocolRequest->query, protocolRequest->rcvdVendorSpecificHeaderOptions,
- protocolRequest->reqJSONPayload, &protocolRequest->requestToken,
- &protocolRequest->requesterAddr, protocolRequest->resourceUrl,
- protocolRequest->reqTotalSize);
- if (OC_STACK_OK != result)
- {
- OC_LOG(ERROR, TAG, PCF("Error adding server request"));
- return result;
- }
- VERIFY_NON_NULL(request, ERROR, OC_STACK_NO_MEMORY);
-
- if(!protocolRequest->reqMorePacket)
- {
- request->requestComplete = 1;
- }
+ case CA_CREATED:
+ ret = OC_STACK_RESOURCE_CREATED;
+ break;
+ case CA_DELETED:
+ ret = OC_STACK_RESOURCE_DELETED;
+ break;
+ case CA_CHANGED:
+ case CA_CONTENT:
+ case CA_VALID:
+ ret = OC_STACK_OK;
+ break;
+ case CA_BAD_REQ:
+ ret = OC_STACK_INVALID_QUERY;
+ break;
+ case CA_UNAUTHORIZED_REQ:
+ ret = OC_STACK_UNAUTHORIZED_REQ;
+ break;
+ case CA_BAD_OPT:
+ ret = OC_STACK_INVALID_OPTION;
+ break;
+ case CA_NOT_FOUND:
+ ret = OC_STACK_NO_RESOURCE;
+ break;
+ case CA_RETRANSMIT_TIMEOUT:
+ ret = OC_STACK_COMM_ERROR;
+ break;
+ default:
+ break;
}
- else
+ return ret;
+}
+
+CAResponseResult_t OCToCAStackResult(OCStackResult ocCode, OCMethod method)
+{
+ CAResponseResult_t ret = CA_INTERNAL_SERVER_ERROR;
+
+ switch(ocCode)
{
- OC_LOG(INFO, TAG, PCF("This is either a repeated Server Request or blocked Server Request"));
+ case OC_STACK_OK:
+ switch (method)
+ {
+ case OC_REST_PUT:
+ case OC_REST_POST:
+ // This Response Code is like HTTP 204 "No Content" but only used in
+ // response to POST and PUT requests.
+ ret = CA_CHANGED;
+ break;
+ case OC_REST_GET:
+ // This Response Code is like HTTP 200 "OK" but only used in response to
+ // GET requests.
+ ret = CA_CONTENT;
+ break;
+ default:
+ // This should not happen but,
+ // give it a value just in case but output an error
+ ret = CA_CONTENT;
+ OIC_LOG_V(ERROR, TAG, "Unexpected OC_STACK_OK return code for method [%d].", method);
+ }
+ break;
+ case OC_STACK_RESOURCE_CREATED:
+ ret = CA_CREATED;
+ break;
+ case OC_STACK_RESOURCE_DELETED:
+ ret = CA_DELETED;
+ break;
+ case OC_STACK_INVALID_QUERY:
+ ret = CA_BAD_REQ;
+ break;
+ case OC_STACK_INVALID_OPTION:
+ ret = CA_BAD_OPT;
+ break;
+ case OC_STACK_NO_RESOURCE:
+ ret = CA_NOT_FOUND;
+ break;
+ case OC_STACK_COMM_ERROR:
+ ret = CA_RETRANSMIT_TIMEOUT;
+ break;
+ case OC_STACK_UNAUTHORIZED_REQ:
+ ret = CA_UNAUTHORIZED_REQ;
+ break;
+ default:
+ break;
+ }
+ return ret;
+}
+
+CATransportFlags_t OCToCATransportFlags(OCTransportFlags ocFlags)
+{
+ CATransportFlags_t caFlags = (CATransportFlags_t)ocFlags;
+
+ // supply default behavior.
+ if ((caFlags & (CA_IPV6|CA_IPV4)) == 0)
+ {
+ caFlags = (CATransportFlags_t)(caFlags|CA_IPV6|CA_IPV4);
+ }
+ if ((caFlags & OC_MASK_SCOPE) == 0)
+ {
+ caFlags = (CATransportFlags_t)(caFlags|OC_SCOPE_LINK);
+ }
+ return caFlags;
+}
+
+OCTransportFlags CAToOCTransportFlags(CATransportFlags_t caFlags)
+{
+ return (OCTransportFlags)caFlags;
+}
+
+static OCStackResult ResetPresenceTTL(ClientCB *cbNode, uint32_t maxAgeSeconds)
+{
+ uint32_t lowerBound = 0;
+ uint32_t higherBound = 0;
+
+ if (!cbNode || !cbNode->presence || !cbNode->presence->timeOut)
+ {
+ return OC_STACK_INVALID_PARAM;
+ }
+
+ OIC_LOG_V(INFO, TAG, "Update presence TTL, time is %u", GetTicks(0));
+
+ cbNode->presence->TTL = maxAgeSeconds;
+
+ for (int index = 0; index < PresenceTimeOutSize; index++)
+ {
+ // Guard against overflow
+ if (cbNode->presence->TTL < (UINT32_MAX/(MILLISECONDS_PER_SECOND*PresenceTimeOut[index]))
+ * 100)
+ {
+ lowerBound = GetTicks((PresenceTimeOut[index] *
+ cbNode->presence->TTL *
+ MILLISECONDS_PER_SECOND)/100);
+ }
+ else
+ {
+ lowerBound = GetTicks(UINT32_MAX);
+ }
+
+ if (cbNode->presence->TTL < (UINT32_MAX/(MILLISECONDS_PER_SECOND*PresenceTimeOut[index+1]))
+ * 100)
+ {
+ higherBound = GetTicks((PresenceTimeOut[index + 1] *
+ cbNode->presence->TTL *
+ MILLISECONDS_PER_SECOND)/100);
+ }
+ else
+ {
+ higherBound = GetTicks(UINT32_MAX);
+ }
+
+ cbNode->presence->timeOut[index] = OCGetRandomRange(lowerBound, higherBound);
+
+ OIC_LOG_V(DEBUG, TAG, "lowerBound timeout %d", lowerBound);
+ OIC_LOG_V(DEBUG, TAG, "higherBound timeout %d", higherBound);
+ OIC_LOG_V(DEBUG, TAG, "timeOut entry %d", cbNode->presence->timeOut[index]);
+ }
+
+ cbNode->presence->TTLlevel = 0;
+
+ OIC_LOG_V(DEBUG, TAG, "this TTL level %d", cbNode->presence->TTLlevel);
+ return OC_STACK_OK;
+}
+
+const char *convertTriggerEnumToString(OCPresenceTrigger trigger)
+{
+ if (trigger == OC_PRESENCE_TRIGGER_CREATE)
+ {
+ return OC_RSRVD_TRIGGER_CREATE;
+ }
+ else if (trigger == OC_PRESENCE_TRIGGER_CHANGE)
+ {
+ return OC_RSRVD_TRIGGER_CHANGE;
+ }
+ else
+ {
+ return OC_RSRVD_TRIGGER_DELETE;
+ }
+}
+
+OCPresenceTrigger convertTriggerStringToEnum(const char * triggerStr)
+{
+ if(!triggerStr)
+ {
+ return OC_PRESENCE_TRIGGER_CREATE;
+ }
+ else if(strcmp(triggerStr, OC_RSRVD_TRIGGER_CREATE) == 0)
+ {
+ return OC_PRESENCE_TRIGGER_CREATE;
+ }
+ else if(strcmp(triggerStr, OC_RSRVD_TRIGGER_CHANGE) == 0)
+ {
+ return OC_PRESENCE_TRIGGER_CHANGE;
+ }
+ else
+ {
+ return OC_PRESENCE_TRIGGER_DELETE;
+ }
+}
+
+/**
+ * The cononical presence allows constructed URIs to be string compared.
+ *
+ * requestUri must be a char array of size CA_MAX_URI_LENGTH
+ */
+static int FormCanonicalPresenceUri(const CAEndpoint_t *endpoint, char *resourceUri,
+ char *presenceUri)
+{
+ VERIFY_NON_NULL(endpoint , FATAL, OC_STACK_INVALID_PARAM);
+ VERIFY_NON_NULL(resourceUri, FATAL, OC_STACK_INVALID_PARAM);
+ VERIFY_NON_NULL(presenceUri, FATAL, OC_STACK_INVALID_PARAM);
+
+ CAEndpoint_t *ep = (CAEndpoint_t *)endpoint;
+
+ if (ep->adapter == CA_ADAPTER_IP)
+ {
+ if ((ep->flags & CA_IPV6) && !(ep->flags & CA_IPV4))
+ {
+ if ('\0' == ep->addr[0]) // multicast
+ {
+ return snprintf(presenceUri, CA_MAX_URI_LENGTH, OC_RSRVD_PRESENCE_URI);
+ }
+ else
+ {
+ return snprintf(presenceUri, CA_MAX_URI_LENGTH, "coap://[%s]:%u%s",
+ ep->addr, ep->port, OC_RSRVD_PRESENCE_URI);
+ }
+ }
+ else
+ {
+ if ('\0' == ep->addr[0]) // multicast
+ {
+ OICStrcpy(ep->addr, sizeof(ep->addr), OC_MULTICAST_IP);
+ ep->port = OC_MULTICAST_PORT;
+ }
+ return snprintf(presenceUri, CA_MAX_URI_LENGTH, "coap://%s:%u%s",
+ ep->addr, ep->port, OC_RSRVD_PRESENCE_URI);
+ }
+ }
+
+ // might work for other adapters (untested, but better than nothing)
+ return snprintf(presenceUri, CA_MAX_URI_LENGTH, "coap://%s%s", ep->addr,
+ OC_RSRVD_PRESENCE_URI);
+}
+
+
+OCStackResult HandlePresenceResponse(const CAEndpoint_t *endpoint,
+ const CAResponseInfo_t *responseInfo)
+{
+ VERIFY_NON_NULL(endpoint, FATAL, OC_STACK_INVALID_PARAM);
+ VERIFY_NON_NULL(responseInfo, FATAL, OC_STACK_INVALID_PARAM);
+
+ OCStackApplicationResult cbResult = OC_STACK_DELETE_TRANSACTION;
+ ClientCB * cbNode = NULL;
+ char *resourceTypeName = NULL;
+ OCClientResponse response = {.devAddr = {.adapter = OC_DEFAULT_ADAPTER}};
+ OCStackResult result = OC_STACK_ERROR;
+ uint32_t maxAge = 0;
+ int uriLen;
+ char presenceUri[CA_MAX_URI_LENGTH];
+
+ int presenceSubscribe = 0;
+ int multicastPresenceSubscribe = 0;
+
+ if (responseInfo->result != CA_CONTENT)
+ {
+ OIC_LOG_V(ERROR, TAG, "HandlePresenceResponse failed %d", responseInfo->result);
+ return OC_STACK_ERROR;
+ }
+
+ // check for unicast presence
+ uriLen = FormCanonicalPresenceUri(endpoint, OC_RSRVD_PRESENCE_URI, presenceUri);
+ if (uriLen < 0 || (size_t)uriLen >= sizeof (presenceUri))
+ {
+ return OC_STACK_INVALID_URI;
+ }
+
+ cbNode = GetClientCB(NULL, 0, NULL, presenceUri);
+ if (cbNode)
+ {
+ presenceSubscribe = 1;
+ }
+ else
+ {
+ // check for multiicast presence
+ CAEndpoint_t ep = { .adapter = endpoint->adapter,
+ .flags = endpoint->flags };
+
+ uriLen = FormCanonicalPresenceUri(&ep, OC_RSRVD_PRESENCE_URI, presenceUri);
+
+ cbNode = GetClientCB(NULL, 0, NULL, presenceUri);
+ if (cbNode)
+ {
+ multicastPresenceSubscribe = 1;
+ }
+ }
+
+ if (!presenceSubscribe && !multicastPresenceSubscribe)
+ {
+ OIC_LOG(ERROR, TAG, "Received a presence notification, but no callback, ignoring");
+ goto exit;
+ }
+
+ response.payload = NULL;
+ response.result = OC_STACK_OK;
+
+ CopyEndpointToDevAddr(endpoint, &response.devAddr);
+ FixUpClientResponse(&response);
+
+ if (responseInfo->info.payload)
+ {
+ result = OCParsePayload(&response.payload,
+ PAYLOAD_TYPE_PRESENCE,
+ responseInfo->info.payload,
+ responseInfo->info.payloadSize);
+
+ if(result != OC_STACK_OK)
+ {
+ OIC_LOG(ERROR, TAG, "Presence parse failed");
+ goto exit;
+ }
+ if(!response.payload || response.payload->type != PAYLOAD_TYPE_PRESENCE)
+ {
+ OIC_LOG(ERROR, TAG, "Presence payload was wrong type");
+ result = OC_STACK_ERROR;
+ goto exit;
+ }
+ response.sequenceNumber = ((OCPresencePayload*)response.payload)->sequenceNumber;
+ resourceTypeName = ((OCPresencePayload*)response.payload)->resourceType;
+ maxAge = ((OCPresencePayload*)response.payload)->maxAge;
+ }
+
+ if (presenceSubscribe)
+ {
+ if(cbNode->sequenceNumber == response.sequenceNumber)
+ {
+ OIC_LOG(INFO, TAG, "No presence change");
+ ResetPresenceTTL(cbNode, maxAge);
+ OIC_LOG_V(INFO, TAG, "ResetPresenceTTL - TTLlevel:%d\n", cbNode->presence->TTLlevel);
+ goto exit;
+ }
+
+ if(maxAge == 0)
+ {
+ OIC_LOG(INFO, TAG, "Stopping presence");
+ response.result = OC_STACK_PRESENCE_STOPPED;
+ if(cbNode->presence)
+ {
+ OICFree(cbNode->presence->timeOut);
+ OICFree(cbNode->presence);
+ cbNode->presence = NULL;
+ }
+ }
+ else
+ {
+ if(!cbNode->presence)
+ {
+ cbNode->presence = (OCPresence *)OICMalloc(sizeof (OCPresence));
+
+ if(!(cbNode->presence))
+ {
+ OIC_LOG(ERROR, TAG, "Could not allocate memory for cbNode->presence");
+ result = OC_STACK_NO_MEMORY;
+ goto exit;
+ }
+
+ VERIFY_NON_NULL_V(cbNode->presence);
+ cbNode->presence->timeOut = NULL;
+ cbNode->presence->timeOut = (uint32_t *)
+ OICMalloc(PresenceTimeOutSize * sizeof(uint32_t));
+ if(!(cbNode->presence->timeOut)){
+ OIC_LOG(ERROR, TAG,
+ "Could not allocate memory for cbNode->presence->timeOut");
+ OICFree(cbNode->presence);
+ result = OC_STACK_NO_MEMORY;
+ goto exit;
+ }
+ }
+
+ ResetPresenceTTL(cbNode, maxAge);
+
+ cbNode->sequenceNumber = response.sequenceNumber;
+
+ // Ensure that a filter is actually applied.
+ if( resourceTypeName && cbNode->filterResourceType)
+ {
+ if(!findResourceType(cbNode->filterResourceType, resourceTypeName))
+ {
+ goto exit;
+ }
+ }
+ }
+ }
+ else
+ {
+ // This is the multicast case
+ OCMulticastNode* mcNode = NULL;
+ mcNode = GetMCPresenceNode(presenceUri);
+
+ if(mcNode != NULL)
+ {
+ if(mcNode->nonce == response.sequenceNumber)
+ {
+ OIC_LOG(INFO, TAG, "No presence change (Multicast)");
+ goto exit;
+ }
+ mcNode->nonce = response.sequenceNumber;
+
+ if(maxAge == 0)
+ {
+ OIC_LOG(INFO, TAG, "Stopping presence");
+ response.result = OC_STACK_PRESENCE_STOPPED;
+ }
+ }
+ else
+ {
+ char* uri = OICStrdup(presenceUri);
+ if (!uri)
+ {
+ OIC_LOG(INFO, TAG,
+ "No Memory for URI to store in the presence node");
+ result = OC_STACK_NO_MEMORY;
+ goto exit;
+ }
+
+ result = AddMCPresenceNode(&mcNode, uri, response.sequenceNumber);
+ if(result == OC_STACK_NO_MEMORY)
+ {
+ OIC_LOG(INFO, TAG,
+ "No Memory for Multicast Presence Node");
+ OICFree(uri);
+ goto exit;
+ }
+ // presence node now owns uri
+ }
+
+ // Ensure that a filter is actually applied.
+ if(resourceTypeName && cbNode->filterResourceType)
+ {
+ if(!findResourceType(cbNode->filterResourceType, resourceTypeName))
+ {
+ goto exit;
+ }
+ }
+ }
+
+ cbResult = cbNode->callBack(cbNode->context, cbNode->handle, &response);
+
+ if (cbResult == OC_STACK_DELETE_TRANSACTION)
+ {
+ FindAndDeleteClientCB(cbNode);
+ }
+
+exit:
+ OCPayloadDestroy(response.payload);
+ return result;
+}
+
+void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* responseInfo)
+{
+ OIC_LOG(DEBUG, TAG, "Enter OCHandleResponse");
+
+ if(responseInfo->info.resourceUri &&
+ strcmp(responseInfo->info.resourceUri, OC_RSRVD_PRESENCE_URI) == 0)
+ {
+ HandlePresenceResponse(endPoint, responseInfo);
+ return;
+ }
+
+ ClientCB *cbNode = GetClientCB(responseInfo->info.token,
+ responseInfo->info.tokenLength, NULL, NULL);
+
+ ResourceObserver * observer = GetObserverUsingToken (responseInfo->info.token,
+ responseInfo->info.tokenLength);
+
+ if(cbNode)
+ {
+ OIC_LOG(INFO, TAG, "There is a cbNode associated with the response token");
+ if(responseInfo->result == CA_EMPTY)
+ {
+ OIC_LOG(INFO, TAG, "Receiving A ACK/RESET for this token");
+ // We do not have a case for the client to receive a RESET
+ if(responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
+ {
+ //This is the case of receiving an ACK on a request to a slow resource!
+ OIC_LOG(INFO, TAG, "This is a pure ACK");
+ //TODO: should we inform the client
+ // app that at least the request was received at the server?
+ }
+ }
+ else if(responseInfo->result == CA_RETRANSMIT_TIMEOUT)
+ {
+ OIC_LOG(INFO, TAG, "Receiving A Timeout for this token");
+ OIC_LOG(INFO, TAG, "Calling into application address space");
+
+ OCClientResponse response =
+ {.devAddr = {.adapter = OC_DEFAULT_ADAPTER}};
+ CopyEndpointToDevAddr(endPoint, &response.devAddr);
+ FixUpClientResponse(&response);
+ response.resourceUri = responseInfo->info.resourceUri;
+ memcpy(response.identity.id, responseInfo->info.identity.id,
+ sizeof (response.identity.id));
+ response.identity.id_length = responseInfo->info.identity.id_length;
+
+ response.result = CAToOCStackResult(responseInfo->result);
+ cbNode->callBack(cbNode->context,
+ cbNode->handle, &response);
+ FindAndDeleteClientCB(cbNode);
+ }
+ else
+ {
+ OIC_LOG(INFO, TAG, "This is a regular response, A client call back is found");
+ OIC_LOG(INFO, TAG, "Calling into application address space");
+
+ OCClientResponse response =
+ {.devAddr = {.adapter = OC_DEFAULT_ADAPTER}};
+ response.sequenceNumber = OC_OBSERVE_NO_OPTION;
+ CopyEndpointToDevAddr(endPoint, &response.devAddr);
+ FixUpClientResponse(&response);
+ response.resourceUri = responseInfo->info.resourceUri;
+ memcpy(response.identity.id, responseInfo->info.identity.id,
+ sizeof (response.identity.id));
+ response.identity.id_length = responseInfo->info.identity.id_length;
+
+ response.result = CAToOCStackResult(responseInfo->result);
+
+ if(responseInfo->info.payload &&
+ responseInfo->info.payloadSize)
+ {
+ OCPayloadType type = PAYLOAD_TYPE_INVALID;
+ // check the security resource
+ if (SRMIsSecurityResourceURI(cbNode->requestUri))
+ {
+ type = PAYLOAD_TYPE_SECURITY;
+ }
+ else if (cbNode->method == OC_REST_DISCOVER)
+ {
+ if (strncmp(OC_RSRVD_WELL_KNOWN_URI,cbNode->requestUri,
+ sizeof(OC_RSRVD_WELL_KNOWN_URI) - 1) == 0)
+ {
+ type = PAYLOAD_TYPE_DISCOVERY;
+ }
+ else if (strcmp(cbNode->requestUri, OC_RSRVD_DEVICE_URI) == 0)
+ {
+ type = PAYLOAD_TYPE_DEVICE;
+ }
+ else if (strcmp(cbNode->requestUri, OC_RSRVD_PLATFORM_URI) == 0)
+ {
+ type = PAYLOAD_TYPE_PLATFORM;
+ }
+#ifdef ROUTING_GATEWAY
+ else if (strcmp(cbNode->requestUri, OC_RSRVD_GATEWAY_URI) == 0)
+ {
+ type = PAYLOAD_TYPE_REPRESENTATION;
+ }
+#endif
+ else if (strcmp(cbNode->requestUri, OC_RSRVD_RD_URI) == 0)
+ {
+ type = PAYLOAD_TYPE_RD;
+ }
+#ifdef TCP_ADAPTER
+ else if (strcmp(cbNode->requestUri, KEEPALIVE_RESOURCE_URI) == 0)
+ {
+ type = PAYLOAD_TYPE_REPRESENTATION;
+ }
+#endif
+ else
+ {
+ OIC_LOG_V(ERROR, TAG, "Unknown Payload type in Discovery: %d %s",
+ cbNode->method, cbNode->requestUri);
+ return;
+ }
+ }
+ else if (cbNode->method == OC_REST_GET ||
+ cbNode->method == OC_REST_PUT ||
+ cbNode->method == OC_REST_POST ||
+ cbNode->method == OC_REST_OBSERVE ||
+ cbNode->method == OC_REST_OBSERVE_ALL ||
+ cbNode->method == OC_REST_DELETE)
+ {
+ char targetUri[MAX_URI_LENGTH];
+ snprintf(targetUri, MAX_URI_LENGTH, "%s?rt=%s", OC_RSRVD_RD_URI,
+ OC_RSRVD_RESOURCE_TYPE_RDPUBLISH);
+ if (strcmp(targetUri, cbNode->requestUri) == 0)
+ {
+ type = PAYLOAD_TYPE_RD;
+ }
+ else if (strcmp(OC_RSRVD_PLATFORM_URI, cbNode->requestUri) == 0)
+ {
+ type = PAYLOAD_TYPE_PLATFORM;
+ }
+ else if (strcmp(OC_RSRVD_DEVICE_URI, cbNode->requestUri) == 0)
+ {
+ type = PAYLOAD_TYPE_DEVICE;
+ }
+ if (type == PAYLOAD_TYPE_INVALID)
+ {
+ OIC_LOG_V(INFO, TAG, "Assuming PAYLOAD_TYPE_REPRESENTATION: %d %s",
+ cbNode->method, cbNode->requestUri);
+ type = PAYLOAD_TYPE_REPRESENTATION;
+ }
+ }
+ else
+ {
+ OIC_LOG_V(ERROR, TAG, "Unknown Payload type: %d %s",
+ cbNode->method, cbNode->requestUri);
+ return;
+ }
+
+ if(OC_STACK_OK != OCParsePayload(&response.payload,
+ type,
+ responseInfo->info.payload,
+ responseInfo->info.payloadSize))
+ {
+ OIC_LOG(ERROR, TAG, "Error converting payload");
+ OCPayloadDestroy(response.payload);
+ return;
+ }
+ }
+
+ response.numRcvdVendorSpecificHeaderOptions = 0;
+ if(responseInfo->info.numOptions > 0)
+ {
+ int start = 0;
+ //First option always with option ID is COAP_OPTION_OBSERVE if it is available.
+ if(responseInfo->info.options[0].optionID == COAP_OPTION_OBSERVE)
+ {
+ size_t i;
+ uint32_t observationOption;
+ uint8_t* optionData = (uint8_t*)responseInfo->info.options[0].optionData;
+ for (observationOption=0, i=0;
+ i<sizeof(uint32_t) && i<responseInfo->info.options[0].optionLength;
+ i++)
+ {
+ observationOption =
+ (observationOption << 8) | optionData[i];
+ }
+ response.sequenceNumber = observationOption;
+
+ response.numRcvdVendorSpecificHeaderOptions = responseInfo->info.numOptions - 1;
+ start = 1;
+ }
+ else
+ {
+ response.numRcvdVendorSpecificHeaderOptions = responseInfo->info.numOptions;
+ }
+
+ if(response.numRcvdVendorSpecificHeaderOptions > MAX_HEADER_OPTIONS)
+ {
+ OIC_LOG(ERROR, TAG, "#header options are more than MAX_HEADER_OPTIONS");
+ OCPayloadDestroy(response.payload);
+ return;
+ }
+
+ for (uint8_t i = start; i < responseInfo->info.numOptions; i++)
+ {
+ memcpy (&(response.rcvdVendorSpecificHeaderOptions[i-start]),
+ &(responseInfo->info.options[i]), sizeof(OCHeaderOption));
+ }
+ }
+
+ if (cbNode->method == OC_REST_OBSERVE &&
+ response.sequenceNumber > OC_OFFSET_SEQUENCE_NUMBER &&
+ response.sequenceNumber <= cbNode->sequenceNumber)
+ {
+ OIC_LOG_V(INFO, TAG, "Received stale notification. Number :%d",
+ response.sequenceNumber);
+ }
+ else
+ {
+ OCStackApplicationResult appFeedback = cbNode->callBack(cbNode->context,
+ cbNode->handle,
+ &response);
+ cbNode->sequenceNumber = response.sequenceNumber;
+
+ if (appFeedback == OC_STACK_DELETE_TRANSACTION)
+ {
+ FindAndDeleteClientCB(cbNode);
+ }
+ else
+ {
+ // To keep discovery callbacks active.
+ cbNode->TTL = GetTicks(MAX_CB_TIMEOUT_SECONDS *
+ MILLISECONDS_PER_SECOND);
+ }
+ }
+
+ //Need to send ACK when the response is CON
+ if(responseInfo->info.type == CA_MSG_CONFIRM)
+ {
+ SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
+ CA_MSG_ACKNOWLEDGE, 0, NULL, NULL, 0, NULL);
+ }
+
+ OCPayloadDestroy(response.payload);
+ }
+ return;
+ }
+
+ if(observer)
+ {
+ OIC_LOG(INFO, TAG, "There is an observer associated with the response token");
+ if(responseInfo->result == CA_EMPTY)
+ {
+ OIC_LOG(INFO, TAG, "Receiving A ACK/RESET for this token");
+ if(responseInfo->info.type == CA_MSG_RESET)
+ {
+ OIC_LOG(INFO, TAG, "This is a RESET");
+ OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
+ OC_OBSERVER_NOT_INTERESTED);
+ }
+ else if(responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
+ {
+ OIC_LOG(INFO, TAG, "This is a pure ACK");
+ OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
+ OC_OBSERVER_STILL_INTERESTED);
+ }
+ }
+ else if(responseInfo->result == CA_RETRANSMIT_TIMEOUT)
+ {
+ OIC_LOG(INFO, TAG, "Receiving Time Out for an observer");
+ OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
+ OC_OBSERVER_FAILED_COMM);
+ }
+ return;
+ }
+
+ if(!cbNode && !observer)
+ {
+ if(myStackMode == OC_CLIENT || myStackMode == OC_CLIENT_SERVER
+ || myStackMode == OC_GATEWAY)
+ {
+ OIC_LOG(INFO, TAG, "This is a client, but no cbNode was found for token");
+ if(responseInfo->result == CA_EMPTY)
+ {
+ OIC_LOG(INFO, TAG, "Receiving CA_EMPTY in the ocstack");
+ }
+ else
+ {
+ OIC_LOG(INFO, TAG, "Received a message without callbacks. Sending RESET");
+ SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
+ CA_MSG_RESET, 0, NULL, NULL, 0, NULL);
+ }
+ }
+
+ if(myStackMode == OC_SERVER || myStackMode == OC_CLIENT_SERVER
+ || myStackMode == OC_GATEWAY)
+ {
+ OIC_LOG(INFO, TAG, "This is a server, but no observer was found for token");
+ if (responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
+ {
+ OIC_LOG_V(INFO, TAG, "Received ACK at server for messageId : %d",
+ responseInfo->info.messageId);
+ }
+ if (responseInfo->info.type == CA_MSG_RESET)
+ {
+ OIC_LOG_V(INFO, TAG, "Received RESET at server for messageId : %d",
+ responseInfo->info.messageId);
+ }
+ }
+
+ return;
+ }
+
+ OIC_LOG(INFO, TAG, "Exit HandleCAResponses");
+}
+
+void HandleCAResponses(const CAEndpoint_t* endPoint, const CAResponseInfo_t* responseInfo)
+{
+ VERIFY_NON_NULL_NR(endPoint, FATAL);
+ VERIFY_NON_NULL_NR(responseInfo, FATAL);
+
+ OIC_LOG(INFO, TAG, "Enter HandleCAResponses");
+
+#if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
+#ifdef ROUTING_GATEWAY
+ bool needRIHandling = false;
+ /*
+ * Routing manager is going to update either of endpoint or response or both.
+ * This typecasting is done to avoid unnecessary duplication of Endpoint and responseInfo
+ * RM can update "routeData" option in endPoint so that future RI requests can be sent to proper
+ * destination.
+ */
+ OCStackResult ret = RMHandleResponse((CAResponseInfo_t *)responseInfo, (CAEndpoint_t *)endPoint,
+ &needRIHandling);
+ if(ret != OC_STACK_OK || !needRIHandling)
+ {
+ OIC_LOG_V(INFO, TAG, "Routing status![%d]. Not forwarding to RI", ret);
+ return;
+ }
+#endif
+
+ /*
+ * Put source in sender endpoint so that the next packet from application can be routed to
+ * proper destination and remove "RM" coap header option before passing request / response to
+ * RI as this option will make no sense to either RI or application.
+ */
+ RMUpdateInfo((CAHeaderOption_t **) &(responseInfo->info.options),
+ (uint8_t *) &(responseInfo->info.numOptions),
+ (CAEndpoint_t *) endPoint);
+#endif
+
+ OCHandleResponse(endPoint, responseInfo);
+
+ OIC_LOG(INFO, TAG, "Exit HandleCAResponses");
+}
+
+/*
+ * This function handles error response from CA
+ * code shall be added to handle the errors
+ */
+void HandleCAErrorResponse(const CAEndpoint_t *endPoint, const CAErrorInfo_t *errrorInfo)
+{
+ OIC_LOG(INFO, TAG, "Enter HandleCAErrorResponse");
+
+ if(NULL == endPoint)
+ {
+ OIC_LOG(ERROR, TAG, "endPoint is NULL");
+ return;
+ }
+
+ if(NULL == errrorInfo)
+ {
+ OIC_LOG(ERROR, TAG, "errrorInfo is NULL");
+ return;
+ }
+ OIC_LOG(INFO, TAG, "Exit HandleCAErrorResponse");
+}
+
+/*
+ * This function sends out Direct Stack Responses. These are responses that are not coming
+ * from the application entity handler. These responses have no payload and are usually ACKs,
+ * RESETs or some error conditions that were caught by the stack.
+ */
+OCStackResult SendDirectStackResponse(const CAEndpoint_t* endPoint, const uint16_t coapID,
+ const CAResponseResult_t responseResult, const CAMessageType_t type,
+ const uint8_t numOptions, const CAHeaderOption_t *options,
+ CAToken_t token, uint8_t tokenLength, const char *resourceUri)
+{
+ OIC_LOG(DEBUG, TAG, "Entering SendDirectStackResponse");
+ CAResponseInfo_t respInfo = {
+ .result = responseResult
+ };
+ respInfo.info.messageId = coapID;
+ respInfo.info.numOptions = numOptions;
+
+ if (respInfo.info.numOptions)
+ {
+ respInfo.info.options =
+ (CAHeaderOption_t *)OICCalloc(respInfo.info.numOptions, sizeof(CAHeaderOption_t));
+ memcpy (respInfo.info.options, options,
+ sizeof(CAHeaderOption_t) * respInfo.info.numOptions);
+
+ }
+
+ respInfo.info.payload = NULL;
+ respInfo.info.token = token;
+ respInfo.info.tokenLength = tokenLength;
+ respInfo.info.type = type;
+ respInfo.info.resourceUri = OICStrdup (resourceUri);
+ respInfo.info.acceptFormat = CA_FORMAT_UNDEFINED;
+
+#if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
+ // Add the destination to route option from the endpoint->routeData.
+ bool doPost = false;
+ OCStackResult result = RMAddInfo(endPoint->routeData, &respInfo, false, &doPost);
+ if(OC_STACK_OK != result)
+ {
+ OIC_LOG_V(ERROR, TAG, "Add routing option failed [%d]", result);
+ return result;
+ }
+ if (doPost)
+ {
+ OIC_LOG(DEBUG, TAG, "Sending a POST message for EMPTY ACK in Client Mode");
+ CARequestInfo_t reqInfo = {.method = CA_POST };
+ /* The following initialization is not done in a single initializer block as in
+ * arduino, .c file is compiled as .cpp and moves it from C99 to C++11. The latter
+ * does not have designated initalizers. This is a work-around for now.
+ */
+ reqInfo.info.type = CA_MSG_NONCONFIRM;
+ reqInfo.info.messageId = coapID;
+ reqInfo.info.tokenLength = tokenLength;
+ reqInfo.info.token = token;
+ reqInfo.info.numOptions = respInfo.info.numOptions;
+ reqInfo.info.payload = NULL;
+ reqInfo.info.resourceUri = OICStrdup (OC_RSRVD_GATEWAY_URI);
+ if (reqInfo.info.numOptions)
+ {
+ reqInfo.info.options =
+ (CAHeaderOption_t *)OICCalloc(reqInfo.info.numOptions, sizeof(CAHeaderOption_t));
+ if (NULL == reqInfo.info.options)
+ {
+ OIC_LOG(ERROR, TAG, "Calloc failed");
+ return OC_STACK_NO_MEMORY;
+ }
+ memcpy (reqInfo.info.options, respInfo.info.options,
+ sizeof(CAHeaderOption_t) * reqInfo.info.numOptions);
+
+ }
+ CAResult_t caResult = CASendRequest(endPoint, &reqInfo);
+ OICFree (reqInfo.info.resourceUri);
+ OICFree (reqInfo.info.options);
+ OICFree (respInfo.info.resourceUri);
+ OICFree (respInfo.info.options);
+ if (CA_STATUS_OK != caResult)
+ {
+ OIC_LOG(ERROR, TAG, "CASendRequest error");
+ return CAResultToOCResult(caResult);
+ }
+ }
+ else
+#endif
+ {
+ CAResult_t caResult = CASendResponse(endPoint, &respInfo);
+
+ // resourceUri in the info field is cloned in the CA layer and
+ // thus ownership is still here.
+ OICFree (respInfo.info.resourceUri);
+ OICFree (respInfo.info.options);
+ if(CA_STATUS_OK != caResult)
+ {
+ OIC_LOG(ERROR, TAG, "CASendResponse error");
+ return CAResultToOCResult(caResult);
+ }
+ }
+ OIC_LOG(DEBUG, TAG, "Exit SendDirectStackResponse");
+ return OC_STACK_OK;
+}
+
+OCStackResult HandleStackRequests(OCServerProtocolRequest * protocolRequest)
+{
+ OIC_LOG(INFO, TAG, "Entering HandleStackRequests (OCStack Layer)");
+ OCStackResult result = OC_STACK_ERROR;
+ if(!protocolRequest)
+ {
+ OIC_LOG(ERROR, TAG, "protocolRequest is NULL");
+ return OC_STACK_INVALID_PARAM;
+ }
+
+ OCServerRequest * request = GetServerRequestUsingToken(protocolRequest->requestToken,
+ protocolRequest->tokenLength);
+ if(!request)
+ {
+ OIC_LOG(INFO, TAG, "This is a new Server Request");
+ result = AddServerRequest(&request, protocolRequest->coapID,
+ protocolRequest->delayedResNeeded, 0, protocolRequest->method,
+ protocolRequest->numRcvdVendorSpecificHeaderOptions,
+ protocolRequest->observationOption, protocolRequest->qos,
+ protocolRequest->query, protocolRequest->rcvdVendorSpecificHeaderOptions,
+ protocolRequest->payload, protocolRequest->requestToken,
+ protocolRequest->tokenLength, protocolRequest->resourceUrl,
+ protocolRequest->reqTotalSize, protocolRequest->acceptFormat,
+ &protocolRequest->devAddr);
+ if (OC_STACK_OK != result)
+ {
+ OIC_LOG(ERROR, TAG, "Error adding server request");
+ return result;
+ }
+
+ if(!request)
+ {
+ OIC_LOG(ERROR, TAG, "Out of Memory");
+ return OC_STACK_NO_MEMORY;
+ }
+
+ if(!protocolRequest->reqMorePacket)
+ {
+ request->requestComplete = 1;
+ }
+ }
+ else
+ {
+ OIC_LOG(INFO, TAG, "This is either a repeated or blocked Server Request");
}
if(request->requestComplete)
{
- OC_LOG(INFO, TAG, PCF("This Server Request is complete"));
+ OIC_LOG(INFO, TAG, "This Server Request is complete");
+ ResourceHandling resHandling = OC_RESOURCE_VIRTUAL;
+ OCResource *resource = NULL;
result = DetermineResourceHandling (request, &resHandling, &resource);
if (result == OC_STACK_OK)
{
result = ProcessRequest(resHandling, resource, request);
}
- else
- {
- result = OC_STACK_ERROR;
- }
}
else
{
- OC_LOG(INFO, TAG, PCF("This Server Request is incomplete"));
+ OIC_LOG(INFO, TAG, "This Server Request is incomplete");
result = OC_STACK_CONTINUE;
}
return result;
}
-//This function will be called back by occoap layer when a response is received
-void HandleStackResponses(OCResponse * response)
+void OCHandleRequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* requestInfo)
{
- OCStackApplicationResult result = OC_STACK_DELETE_TRANSACTION;
- OC_LOG(INFO, TAG, PCF("Entering HandleStackResponses (OCStack Layer)"));
+ OIC_LOG(DEBUG, TAG, "Enter OCHandleRequests");
- if (response->cbNode)
+#ifdef TCP_ADAPTER
+ if (requestInfo->info.resourceUri &&
+ strcmp(requestInfo->info.resourceUri, KEEPALIVE_RESOURCE_URI) == 0)
{
- OC_LOG(INFO, TAG, PCF("Calling into application address space"));
- result = response->cbNode->callBack(response->cbNode->context,
- response->cbNode->handle, response->clientResponse);
- if (result == OC_STACK_DELETE_TRANSACTION ||
- response->clientResponse->result == OC_STACK_COMM_ERROR ||
- response->clientResponse->result == OC_STACK_RESOURCE_DELETED)
- {
- FindAndDeleteClientCB(response->cbNode);
- }
+ HandleKeepAliveRequest(endPoint, requestInfo);
+ return;
}
-}
+#endif
-int ParseIPv4Address(unsigned char * ipAddrStr, uint8_t * ipAddr, uint16_t * port)
-{
- size_t index = 0;
- unsigned char *itr, *coap;
- uint8_t dotCount = 0;
+ OCStackResult requestResult = OC_STACK_ERROR;
- ipAddr[index] = 0;
- *port = 0;
- /* search for scheme */
- itr = ipAddrStr;
- if (!isdigit((unsigned char) *ipAddrStr))
+ if(myStackMode == OC_CLIENT)
{
- coap = (unsigned char *) OC_COAP_SCHEME;
- while (*coap && tolower(*itr) == *coap)
- {
- coap++;
- itr++;
- }
+ //TODO: should the client be responding to requests?
+ return;
}
- ipAddrStr = itr;
- while (*ipAddrStr) {
- if (isdigit((unsigned char) *ipAddrStr))
- {
- ipAddr[index] *= 10;
- ipAddr[index] += *ipAddrStr - '0';
- }
- else if ((unsigned char) *ipAddrStr == '.')
+ OCServerProtocolRequest serverRequest = {0};
+
+ OIC_LOG_V(INFO, TAG, "Endpoint URI : %s", requestInfo->info.resourceUri);
+
+ char * uriWithoutQuery = NULL;
+ char * query = NULL;
+
+ requestResult = getQueryFromUri(requestInfo->info.resourceUri, &query, &uriWithoutQuery);
+
+ if (requestResult != OC_STACK_OK || !uriWithoutQuery)
+ {
+ OIC_LOG_V(ERROR, TAG, "getQueryFromUri() failed with OC error code %d\n", requestResult);
+ return;
+ }
+ OIC_LOG_V(INFO, TAG, "URI without query: %s", uriWithoutQuery);
+ OIC_LOG_V(INFO, TAG, "Query : %s", query);
+
+ if(strlen(uriWithoutQuery) < MAX_URI_LENGTH)
+ {
+ OICStrcpy(serverRequest.resourceUrl, sizeof(serverRequest.resourceUrl), uriWithoutQuery);
+ OICFree(uriWithoutQuery);
+ }
+ else
+ {
+ OIC_LOG(ERROR, TAG, "URI length exceeds MAX_URI_LENGTH.");
+ OICFree(uriWithoutQuery);
+ OICFree(query);
+ return;
+ }
+
+ if(query)
+ {
+ if(strlen(query) < MAX_QUERY_LENGTH)
{
- index++;
- dotCount++;
- ipAddr[index] = 0;
+ OICStrcpy(serverRequest.query, sizeof(serverRequest.query), query);
+ OICFree(query);
}
else
{
+ OIC_LOG(ERROR, TAG, "Query length exceeds MAX_QUERY_LENGTH.");
+ OICFree(query);
+ return;
+ }
+ }
+
+ if ((requestInfo->info.payload) && (0 < requestInfo->info.payloadSize))
+ {
+ serverRequest.reqTotalSize = requestInfo->info.payloadSize;
+ serverRequest.payload = (uint8_t *) OICMalloc(requestInfo->info.payloadSize);
+ memcpy (serverRequest.payload, requestInfo->info.payload,
+ requestInfo->info.payloadSize);
+ }
+ else
+ {
+ serverRequest.reqTotalSize = 0;
+ }
+
+ switch (requestInfo->method)
+ {
+ case CA_GET:
+ serverRequest.method = OC_REST_GET;
+ break;
+ case CA_PUT:
+ serverRequest.method = OC_REST_PUT;
break;
+ case CA_POST:
+ serverRequest.method = OC_REST_POST;
+ break;
+ case CA_DELETE:
+ serverRequest.method = OC_REST_DELETE;
+ break;
+ default:
+ OIC_LOG_V(ERROR, TAG, "Received CA method %d not supported", requestInfo->method);
+ SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_BAD_REQ,
+ requestInfo->info.type, requestInfo->info.numOptions,
+ requestInfo->info.options, requestInfo->info.token,
+ requestInfo->info.tokenLength, requestInfo->info.resourceUri);
+ OICFree(serverRequest.payload);
+ return;
+ }
+
+ OIC_LOG_BUFFER(INFO, TAG, (const uint8_t *)requestInfo->info.token,
+ requestInfo->info.tokenLength);
+
+ serverRequest.tokenLength = requestInfo->info.tokenLength;
+ if (serverRequest.tokenLength) {
+ // Non empty token
+ serverRequest.requestToken = (CAToken_t)OICMalloc(requestInfo->info.tokenLength);
+
+ if (!serverRequest.requestToken)
+ {
+ OIC_LOG(FATAL, TAG, "Allocation for token failed.");
+ SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_INTERNAL_SERVER_ERROR,
+ requestInfo->info.type, requestInfo->info.numOptions,
+ requestInfo->info.options, requestInfo->info.token,
+ requestInfo->info.tokenLength, requestInfo->info.resourceUri);
+ OICFree(serverRequest.payload);
+ return;
}
- ipAddrStr++;
+ memcpy(serverRequest.requestToken, requestInfo->info.token, requestInfo->info.tokenLength);
}
- if(*ipAddrStr == ':')
+
+ switch (requestInfo->info.acceptFormat)
{
- ipAddrStr++;
- while (*ipAddrStr){
- if (isdigit((unsigned char) *ipAddrStr))
- {
- *port *= 10;
- *port += *ipAddrStr - '0';
- }
- else
- {
- break;
- }
- ipAddrStr++;
+ case CA_FORMAT_APPLICATION_CBOR:
+ serverRequest.acceptFormat = OC_FORMAT_CBOR;
+ break;
+ case CA_FORMAT_UNDEFINED:
+ serverRequest.acceptFormat = OC_FORMAT_UNDEFINED;
+ break;
+ default:
+ serverRequest.acceptFormat = OC_FORMAT_UNSUPPORTED;
+ }
+
+ if (requestInfo->info.type == CA_MSG_CONFIRM)
+ {
+ serverRequest.qos = OC_HIGH_QOS;
+ }
+ else
+ {
+ serverRequest.qos = OC_LOW_QOS;
+ }
+ // CA does not need the following field
+ // Are we sure CA does not need them? how is it responding to multicast
+ serverRequest.delayedResNeeded = 0;
+
+ serverRequest.coapID = requestInfo->info.messageId;
+
+ CopyEndpointToDevAddr(endPoint, &serverRequest.devAddr);
+
+ // copy vendor specific header options
+ uint8_t tempNum = (requestInfo->info.numOptions);
+
+ // Assume no observation requested and it is a pure GET.
+ // If obs registration/de-registration requested it'll be fetched from the
+ // options in GetObserveHeaderOption()
+ serverRequest.observationOption = OC_OBSERVE_NO_OPTION;
+
+ GetObserveHeaderOption(&serverRequest.observationOption, requestInfo->info.options, &tempNum);
+ if (requestInfo->info.numOptions > MAX_HEADER_OPTIONS)
+ {
+ OIC_LOG(ERROR, TAG,
+ "The request info numOptions is greater than MAX_HEADER_OPTIONS");
+ SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_BAD_OPT,
+ requestInfo->info.type, requestInfo->info.numOptions,
+ requestInfo->info.options, requestInfo->info.token,
+ requestInfo->info.tokenLength, requestInfo->info.resourceUri);
+ OICFree(serverRequest.payload);
+ OICFree(serverRequest.requestToken);
+ return;
+ }
+ serverRequest.numRcvdVendorSpecificHeaderOptions = tempNum;
+ if (serverRequest.numRcvdVendorSpecificHeaderOptions)
+ {
+ memcpy (&(serverRequest.rcvdVendorSpecificHeaderOptions), requestInfo->info.options,
+ sizeof(CAHeaderOption_t)*tempNum);
+ }
+
+ requestResult = HandleStackRequests (&serverRequest);
+
+ // Send ACK to client as precursor to slow response
+ if (requestResult == OC_STACK_SLOW_RESOURCE)
+ {
+ if (requestInfo->info.type == CA_MSG_CONFIRM)
+ {
+ SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_EMPTY,
+ CA_MSG_ACKNOWLEDGE,0, NULL, NULL, 0, NULL);
}
}
+ else if(requestResult != OC_STACK_OK)
+ {
+ OIC_LOG_V(ERROR, TAG, "HandleStackRequests failed. error: %d", requestResult);
+
+ CAResponseResult_t stackResponse =
+ OCToCAStackResult(requestResult, serverRequest.method);
+
+ SendDirectStackResponse(endPoint, requestInfo->info.messageId, stackResponse,
+ requestInfo->info.type, requestInfo->info.numOptions,
+ requestInfo->info.options, requestInfo->info.token,
+ requestInfo->info.tokenLength, requestInfo->info.resourceUri);
+ }
+ // requestToken is fed to HandleStackRequests, which then goes to AddServerRequest.
+ // The token is copied in there, and is thus still owned by this function.
+ OICFree(serverRequest.payload);
+ OICFree(serverRequest.requestToken);
+ OIC_LOG(INFO, TAG, "Exit OCHandleRequests");
+}
+
+//This function will be called back by CA layer when a request is received
+void HandleCARequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* requestInfo)
+{
+ OIC_LOG(INFO, TAG, "Enter HandleCARequests");
+ if(!endPoint)
+ {
+ OIC_LOG(ERROR, TAG, "endPoint is NULL");
+ return;
+ }
+
+ if(!requestInfo)
+ {
+ OIC_LOG(ERROR, TAG, "requestInfo is NULL");
+ return;
+ }
+
+#if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
+#ifdef ROUTING_GATEWAY
+ bool needRIHandling = false;
+ bool isEmptyMsg = false;
+ /*
+ * Routing manager is going to update either of endpoint or request or both.
+ * This typecasting is done to avoid unnecessary duplication of Endpoint and requestInfo
+ * RM can update "routeData" option in endPoint so that future RI requests can be sent to proper
+ * destination. It can also remove "RM" coap header option before passing request / response to
+ * RI as this option will make no sense to either RI or application.
+ */
+ OCStackResult ret = RMHandleRequest((CARequestInfo_t *)requestInfo, (CAEndpoint_t *)endPoint,
+ &needRIHandling, &isEmptyMsg);
+ if(OC_STACK_OK != ret || !needRIHandling)
+ {
+ OIC_LOG_V(INFO, TAG, "Routing status![%d]. Not forwarding to RI", ret);
+ return;
+ }
+#endif
+ /*
+ * Put source in sender endpoint so that the next packet from application can be routed to
+ * proper destination and remove RM header option.
+ */
+ RMUpdateInfo((CAHeaderOption_t **) &(requestInfo->info.options),
+ (uint8_t *) &(requestInfo->info.numOptions),
+ (CAEndpoint_t *) endPoint);
- if (ipAddr[0] < 255 && ipAddr[1] < 255 && ipAddr[2] < 255 && ipAddr[3] < 255
- && dotCount == 3)
+#ifdef ROUTING_GATEWAY
+ if (isEmptyMsg)
{
- return 1;
+ /*
+ * In Gateways, the MSGType in route option is used to check if the actual
+ * response is EMPTY message(4 bytes CoAP Header). In case of Client, the
+ * EMPTY response is sent in the form of POST request which need to be changed
+ * to a EMPTY response by RM. This translation is done in this part of the code.
+ */
+ OIC_LOG(INFO, TAG, "This is a Empty response from the Client");
+ CAResponseInfo_t respInfo = {.result = CA_EMPTY,
+ .info.messageId = requestInfo->info.messageId,
+ .info.type = CA_MSG_ACKNOWLEDGE};
+ OCHandleResponse(endPoint, &respInfo);
}
else
+#endif
+#endif
{
- return 0;
+ // Normal handling of the packet
+ OCHandleRequests(endPoint, requestInfo);
}
+ OIC_LOG(INFO, TAG, "Exit HandleCARequests");
}
-//-----------------------------------------------------------------------------
-// Private internal function prototypes
-//-----------------------------------------------------------------------------
+bool validatePlatformInfo(OCPlatformInfo info)
+{
-static OCDoHandle GenerateInvocationHandle();
-static OCStackResult initResources();
-static void insertResource(OCResource *resource);
-static OCResource *findResource(OCResource *resource);
-static void insertResourceType(OCResource *resource,
- OCResourceType *resourceType);
-static OCResourceType *findResourceTypeAtIndex(OCResourceHandle handle,
- uint8_t index);
-static void insertResourceInterface(OCResource *resource,
- OCResourceInterface *resourceInterface);
-static OCResourceInterface *findResourceInterfaceAtIndex(
- OCResourceHandle handle, uint8_t index);
-static void deleteResourceType(OCResourceType *resourceType);
-static void deleteResourceInterface(OCResourceInterface *resourceInterface);
-static void deleteResourceElements(OCResource *resource);
-static int deleteResource(OCResource *resource);
-static void deleteAllResources();
-static void incrementSequenceNumber(OCResource * resPtr);
-static OCStackResult verifyUriQueryLength(const char * inputUri,
- uint16_t uriLen);
-static uint8_t OCIsPacketTransferRequired(const char *request, const char *response, uint16_t size);
-OCStackResult getResourceType(const char * uri, unsigned char** resourceType, char ** newURI);
+ if (!info.platformID)
+ {
+ OIC_LOG(ERROR, TAG, "No platform ID found.");
+ return false;
+ }
+
+ if (info.manufacturerName)
+ {
+ size_t lenManufacturerName = strlen(info.manufacturerName);
+
+ if(lenManufacturerName == 0 || lenManufacturerName > MAX_MANUFACTURER_NAME_LENGTH)
+ {
+ OIC_LOG(ERROR, TAG, "Manufacturer name fails length requirements.");
+ return false;
+ }
+ }
+ else
+ {
+ OIC_LOG(ERROR, TAG, "No manufacturer name present");
+ return false;
+ }
+
+ if (info.manufacturerUrl)
+ {
+ if(strlen(info.manufacturerUrl) > MAX_MANUFACTURER_URL_LENGTH)
+ {
+ OIC_LOG(ERROR, TAG, "Manufacturer url fails length requirements.");
+ return false;
+ }
+ }
+ return true;
+}
//-----------------------------------------------------------------------------
// Public APIs
//-----------------------------------------------------------------------------
+#ifdef RA_ADAPTER
+OCStackResult OCSetRAInfo(const OCRAInfo_t *raInfo)
+{
+ if (!raInfo ||
+ !raInfo->username ||
+ !raInfo->hostname ||
+ !raInfo->xmpp_domain)
+ {
+
+ return OC_STACK_INVALID_PARAM;
+ }
+ OCStackResult result = CAResultToOCResult(CASetRAInfo((const CARAInfo_t *) raInfo));
+ gRASetInfo = (result == OC_STACK_OK)? true : false;
+
+ return result;
+}
+#endif
-/**
- * Initialize the OC Stack. Must be called prior to starting the stack.
- *
- * @param ipAddr
- * IP Address of host device
- * @param port
- * Port of host device
- * @param mode
- * Host device is client, server, or client-server
- *
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack init error
- */
OCStackResult OCInit(const char *ipAddr, uint16_t port, OCMode mode)
{
- OCStackResult result = OC_STACK_ERROR;
- OC_LOG(INFO, TAG, PCF("Entering OCInit"));
+ (void) ipAddr;
+ (void) port;
+ return OCInit1(mode, OC_DEFAULT_FLAGS, OC_DEFAULT_FLAGS);
+}
- if (ipAddr)
+OCStackResult OCInit1(OCMode mode, OCTransportFlags serverFlags, OCTransportFlags clientFlags)
+{
+ if(stackState == OC_STACK_INITIALIZED)
{
- OC_LOG_V(INFO, TAG, "IP Address = %s", ipAddr);
+ OIC_LOG(INFO, TAG, "Subsequent calls to OCInit() without calling \
+ OCStop() between them are ignored.");
+ return OC_STACK_OK;
}
- switch (mode)
+#ifndef ROUTING_GATEWAY
+ if (OC_GATEWAY == mode)
{
- case OC_CLIENT:
- OC_LOG(INFO, TAG, PCF("Client mode"));
- break;
- case OC_SERVER:
- OC_LOG(INFO, TAG, PCF("Server mode"));
- break;
- case OC_CLIENT_SERVER:
- OC_LOG(INFO, TAG, PCF("Client-server mode"));
- break;
- default:
- OC_LOG(ERROR, TAG, PCF("Invalid mode"));
+ OIC_LOG(ERROR, TAG, "Routing Manager not supported");
+ return OC_STACK_INVALID_PARAM;
+ }
+#endif
+
+#ifdef RA_ADAPTER
+ if(!gRASetInfo)
+ {
+ OIC_LOG(ERROR, TAG, "Need to call OCSetRAInfo before calling OCInit");
+ return OC_STACK_ERROR;
+ }
+#endif
+
+ OCStackResult result = OC_STACK_ERROR;
+ OIC_LOG(INFO, TAG, "Entering OCInit");
+
+ // Validate mode
+ if (!((mode == OC_CLIENT) || (mode == OC_SERVER) || (mode == OC_CLIENT_SERVER)
+ || (mode == OC_GATEWAY)))
+ {
+ OIC_LOG(ERROR, TAG, "Invalid mode");
return OC_STACK_ERROR;
- break;
}
myStackMode = mode;
+ if (mode == OC_CLIENT || mode == OC_CLIENT_SERVER || mode == OC_GATEWAY)
+ {
+ caglobals.client = true;
+ }
+ if (mode == OC_SERVER || mode == OC_CLIENT_SERVER || mode == OC_GATEWAY)
+ {
+ caglobals.server = true;
+ }
+
+ caglobals.serverFlags = (CATransportFlags_t)serverFlags;
+ if (!(caglobals.serverFlags & CA_IPFAMILY_MASK))
+ {
+ caglobals.serverFlags = (CATransportFlags_t)(caglobals.serverFlags|CA_IPV4|CA_IPV6);
+ }
+ caglobals.clientFlags = (CATransportFlags_t)clientFlags;
+ if (!(caglobals.clientFlags & CA_IPFAMILY_MASK))
+ {
+ caglobals.clientFlags = (CATransportFlags_t)(caglobals.clientFlags|CA_IPV4|CA_IPV6);
+ }
+
defaultDeviceHandler = NULL;
+ defaultDeviceHandlerCallbackParameter = NULL;
-#ifdef WITH_PRESENCE
- PresenceTimeOutSize = sizeof(PresenceTimeOut)/sizeof(PresenceTimeOut[0]) - 1;
-#endif // WITH_PRESENCE
+ result = CAResultToOCResult(CAInitialize());
+ VERIFY_SUCCESS(result, OC_STACK_OK);
- // Make call to OCCoAP layer
- result = OCInitCoAP(ipAddr, (uint16_t) port, myStackMode);
- if (result == OC_STACK_OK)
+ result = CAResultToOCResult(OCSelectNetwork());
+ VERIFY_SUCCESS(result, OC_STACK_OK);
+
+ switch (myStackMode)
{
- stackState = OC_STACK_INITIALIZED;
+ case OC_CLIENT:
+ CARegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
+ result = CAResultToOCResult(CAStartDiscoveryServer());
+ OIC_LOG(INFO, TAG, "Client mode: CAStartDiscoveryServer");
+ break;
+ case OC_SERVER:
+ SRMRegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
+ result = CAResultToOCResult(CAStartListeningServer());
+ OIC_LOG(INFO, TAG, "Server mode: CAStartListeningServer");
+ break;
+ case OC_CLIENT_SERVER:
+ case OC_GATEWAY:
+ SRMRegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
+ result = CAResultToOCResult(CAStartListeningServer());
+ if(result == OC_STACK_OK)
+ {
+ result = CAResultToOCResult(CAStartDiscoveryServer());
+ }
+ break;
}
+ VERIFY_SUCCESS(result, OC_STACK_OK);
+
+#ifdef TCP_ADAPTER
+ CARegisterKeepAliveHandler(HandleKeepAliveConnCB, HandleKeepAliveDisconnCB);
+#endif
+
+#ifdef WITH_PRESENCE
+ PresenceTimeOutSize = sizeof (PresenceTimeOut) / sizeof (PresenceTimeOut[0]) - 1;
+#endif // WITH_PRESENCE
+
+ //Update Stack state to initialized
+ stackState = OC_STACK_INITIALIZED;
+
// Initialize resource
- if(result == OC_STACK_OK && myStackMode != OC_CLIENT)
+ if(myStackMode != OC_CLIENT)
{
result = initResources();
}
+
+ // Initialize the SRM Policy Engine
+ if(result == OC_STACK_OK)
+ {
+ result = SRMInitPolicyEngine();
+ // TODO after BeachHead delivery: consolidate into single SRMInit()
+ }
+#if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
+ RMSetStackMode(mode);
+#ifdef ROUTING_GATEWAY
+ if (OC_GATEWAY == myStackMode)
+ {
+ result = RMInitialize();
+ }
+#endif
+#endif
+
+#ifdef TCP_ADAPTER
+ if(result == OC_STACK_OK)
+ {
+ result = InitializeKeepAlive(myStackMode);
+ }
+#endif
+
+exit:
if(result != OC_STACK_OK)
{
- OC_LOG(ERROR, TAG, PCF("Stack initialization error"));
+ OIC_LOG(ERROR, TAG, "Stack initialization error");
+ deleteAllResources();
+ CATerminate();
+ stackState = OC_STACK_UNINITIALIZED;
}
return result;
}
-/**
- * Stop the OC stack. Use for a controlled shutdown.
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack not initialized
- */
OCStackResult OCStop()
{
- OCStackResult result = OC_STACK_ERROR;
-
- OC_LOG(INFO, TAG, PCF("Entering OCStop"));
+ OIC_LOG(INFO, TAG, "Entering OCStop");
if (stackState == OC_STACK_UNINIT_IN_PROGRESS)
{
- OC_LOG(DEBUG, TAG, PCF("Stack already stopping, exiting"));
+ OIC_LOG(DEBUG, TAG, "Stack already stopping, exiting");
return OC_STACK_OK;
}
else if (stackState != OC_STACK_INITIALIZED)
{
- OC_LOG(ERROR, TAG, PCF("Stack not initialized"));
+ OIC_LOG(ERROR, TAG, "Stack not initialized");
return OC_STACK_ERROR;
}
stackState = OC_STACK_UNINIT_IN_PROGRESS;
- #ifdef WITH_PRESENCE
+#ifdef WITH_PRESENCE
// Ensure that the TTL associated with ANY and ALL presence notifications originating from
// here send with the code "OC_STACK_PRESENCE_STOPPED" result.
presenceResource.presenceTTL = 0;
- #endif // WITH_PRESENCE
+#endif // WITH_PRESENCE
+
+#ifdef ROUTING_GATEWAY
+ if (OC_GATEWAY == myStackMode)
+ {
+ RMTerminate();
+ }
+#endif
+
+#ifdef TCP_ADAPTER
+ TerminateKeepAlive(myStackMode);
+#endif
// Free memory dynamically allocated for resources
deleteAllResources();
DeleteDeviceInfo();
+ DeletePlatformInfo();
+ CATerminate();
+ // Remove all observers
+ DeleteObserverList();
+ // Remove all the client callbacks
+ DeleteClientCBList();
+
+ // De-init the SRM Policy Engine
+ // TODO after BeachHead delivery: consolidate into single SRMDeInit()
+ SRMDeInitPolicyEngine();
+
+
+ stackState = OC_STACK_UNINITIALIZED;
+ return OC_STACK_OK;
+}
- // Make call to OCCoAP layer
- if (OCStopCoAP() == OC_STACK_OK)
+OCStackResult OCStartMulticastServer()
+{
+ if(stackState != OC_STACK_INITIALIZED)
{
- // Remove all observers
- DeleteObserverList();
- // Remove all the client callbacks
- DeleteClientCBList();
- stackState = OC_STACK_UNINITIALIZED;
- result = OC_STACK_OK;
- } else {
- stackState = OC_STACK_INITIALIZED;
- result = OC_STACK_ERROR;
+ OIC_LOG(ERROR, TAG, "OCStack is not initalized. Cannot start multicast server.");
+ return OC_STACK_ERROR;
}
+ CAResult_t ret = CAStartListeningServer();
+ if (CA_STATUS_OK != ret)
+ {
+ OIC_LOG_V(ERROR, TAG, "Failed starting listening server: %d", ret);
+ return OC_STACK_ERROR;
+ }
+ return OC_STACK_OK;
+}
- // Deinit security blob
- DeinitOCSecurityInfo();
-
- if (result != OC_STACK_OK) {
- OC_LOG(ERROR, TAG, PCF("Stack stop error"));
+OCStackResult OCStopMulticastServer()
+{
+ CAResult_t ret = CAStopListeningServer();
+ if (CA_STATUS_OK != ret)
+ {
+ OIC_LOG_V(ERROR, TAG, "Failed stopping listening server: %d", ret);
+ return OC_STACK_ERROR;
}
+ return OC_STACK_OK;
+}
- return result;
+CAMessageType_t qualityOfServiceToMessageType(OCQualityOfService qos)
+{
+ switch (qos)
+ {
+ case OC_HIGH_QOS:
+ return CA_MSG_CONFIRM;
+ case OC_LOW_QOS:
+ case OC_MEDIUM_QOS:
+ case OC_NA_QOS:
+ default:
+ return CA_MSG_NONCONFIRM;
+ }
}
-/**
- * Verify the lengths of the URI and the query separately
- *
- * @param inputUri - Input URI and query.
- * @param uriLen - The length of the initial URI with query.
- *
- * Note: The '?' that appears after the URI is not considered as
- * a part of the query.
- */
OCStackResult verifyUriQueryLength(const char *inputUri, uint16_t uriLen)
{
char *query;
}
/**
- * Discover or Perform requests on a specified resource (specified by that Resource's respective URI).
- *
- * @param handle - @ref OCDoHandle to refer to the request sent out on behalf of calling this API.
- * @param method - @ref OCMethod to perform on the resource
- * @param requiredUri - URI of the resource to interact with
- * @param referenceUri - URI of the reference resource
- * @param request - JSON encoded request
- * @param qos - quality of service
- * @param cbData - struct that contains asynchronous callback function that is invoked
- * by the stack when discovery or resource interaction is complete
- * @param options - The address of an array containing the vendor specific header
- * header options to be sent with the request
- * @param numOptions - Number of vendor specific header options to be included
+ * A request uri consists of the following components in order:
+ * example
+ * optionally one of
+ * CoAP over UDP prefix "coap://"
+ * CoAP over TCP prefix "coap+tcp://"
+ * optionally one of
+ * IPv6 address "[1234::5678]"
+ * IPv4 address "192.168.1.1"
+ * optional port ":5683"
+ * resource uri "/oc/core..."
*
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_INVALID_CALLBACK - invalid callback function pointer
- * OC_STACK_INVALID_METHOD - invalid resource method
- * OC_STACK_INVALID_URI - invalid required or reference URI
+ * for PRESENCE requests, extract resource type.
*/
+static OCStackResult ParseRequestUri(const char *fullUri,
+ OCTransportAdapter adapter,
+ OCTransportFlags flags,
+ OCDevAddr **devAddr,
+ char **resourceUri,
+ char **resourceType)
+{
+ VERIFY_NON_NULL(fullUri, FATAL, OC_STACK_INVALID_CALLBACK);
+
+ OCStackResult result = OC_STACK_OK;
+ OCDevAddr *da = NULL;
+ char *colon = NULL;
+ char *end;
+
+ // provide defaults for all returned values
+ if (devAddr)
+ {
+ *devAddr = NULL;
+ }
+ if (resourceUri)
+ {
+ *resourceUri = NULL;
+ }
+ if (resourceType)
+ {
+ *resourceType = NULL;
+ }
+
+ // delimit url prefix, if any
+ const char *start = fullUri;
+ char *slash2 = strstr(start, "//");
+ if (slash2)
+ {
+ start = slash2 + 2;
+ }
+ char *slash = strchr(start, '/');
+ if (!slash)
+ {
+ return OC_STACK_INVALID_URI;
+ }
+
+ // process url scheme
+ size_t prefixLen = slash2 - fullUri;
+ bool istcp = false;
+ if (prefixLen)
+ {
+ if ((prefixLen == sizeof(COAP_TCP) - 1) && (!strncmp(fullUri, COAP_TCP, prefixLen)))
+ {
+ istcp = true;
+ }
+ }
+
+ // TODO: this logic should come in with unit tests exercising the various strings
+ // processs url prefix, if any
+ size_t urlLen = slash - start;
+ // port
+ uint16_t port = 0;
+ size_t len = 0;
+ if (urlLen && devAddr)
+ { // construct OCDevAddr
+ if (start[0] == '[')
+ { // ipv6 address
+ char *close = strchr(++start, ']');
+ if (!close || close > slash)
+ {
+ return OC_STACK_INVALID_URI;
+ }
+ end = close;
+ if (close[1] == ':')
+ {
+ colon = close + 1;
+ }
+ adapter = (OCTransportAdapter)(adapter | OC_ADAPTER_IP);
+ flags = (OCTransportFlags)(flags | OC_IP_USE_V6);
+ }
+ else
+ {
+ char *dot = strchr(start, '.');
+ if (dot && dot < slash)
+ { // ipv4 address
+ colon = strchr(start, ':');
+ end = (colon && colon < slash) ? colon : slash;
+
+ if (istcp)
+ { // coap over tcp
+ adapter = (OCTransportAdapter)(adapter | OC_ADAPTER_TCP);
+ }
+ else
+ {
+ adapter = (OCTransportAdapter)(adapter | OC_ADAPTER_IP);
+ flags = (OCTransportFlags)(flags | OC_IP_USE_V4);
+ }
+ }
+ else
+ { // MAC address
+ end = slash;
+ }
+ }
+ len = end - start;
+ if (len >= sizeof(da->addr))
+ {
+ return OC_STACK_INVALID_URI;
+ }
+ // collect port, if any
+ if (colon && colon < slash)
+ {
+ for (colon++; colon < slash; colon++)
+ {
+ char c = colon[0];
+ if (c < '0' || c > '9')
+ {
+ return OC_STACK_INVALID_URI;
+ }
+ port = 10 * port + c - '0';
+ }
+ }
+
+ len = end - start;
+ if (len >= sizeof(da->addr))
+ {
+ return OC_STACK_INVALID_URI;
+ }
+
+ da = (OCDevAddr *)OICCalloc(sizeof (OCDevAddr), 1);
+ if (!da)
+ {
+ return OC_STACK_NO_MEMORY;
+ }
+ OICStrcpyPartial(da->addr, sizeof(da->addr), start, len);
+ da->port = port;
+ da->adapter = adapter;
+ da->flags = flags;
+ if (!strncmp(fullUri, "coaps:", 6))
+ {
+ da->flags = (OCTransportFlags)(da->flags|CA_SECURE);
+ }
+ *devAddr = da;
+ }
+
+ // process resource uri, if any
+ if (slash)
+ { // request uri and query
+ size_t ulen = strlen(slash); // resource uri length
+ size_t tlen = 0; // resource type length
+ char *type = NULL;
+
+ static const char strPresence[] = "/oic/ad?rt=";
+ static const size_t lenPresence = sizeof(strPresence) - 1;
+ if (!strncmp(slash, strPresence, lenPresence))
+ {
+ type = slash + lenPresence;
+ tlen = ulen - lenPresence;
+ }
+ // resource uri
+ if (resourceUri)
+ {
+ *resourceUri = (char *)OICMalloc(ulen + 1);
+ if (!*resourceUri)
+ {
+ result = OC_STACK_NO_MEMORY;
+ goto error;
+ }
+ strcpy(*resourceUri, slash);
+ }
+ // resource type
+ if (type && resourceType)
+ {
+ *resourceType = (char *)OICMalloc(tlen + 1);
+ if (!*resourceType)
+ {
+ result = OC_STACK_NO_MEMORY;
+ goto error;
+ }
+
+ OICStrcpy(*resourceType, (tlen+1), type);
+ }
+ }
+
+ return OC_STACK_OK;
+
+error:
+ // free all returned values
+ if (devAddr)
+ {
+ OICFree(*devAddr);
+ }
+ if (resourceUri)
+ {
+ OICFree(*resourceUri);
+ }
+ if (resourceType)
+ {
+ OICFree(*resourceType);
+ }
+ return result;
+}
-OCStackResult OCDoResource(OCDoHandle *handle, OCMethod method, const char *requiredUri,
- const char *referenceUri, const char *request,
- OCQualityOfService qos, OCCallbackData *cbData,
- OCHeaderOption * options, uint8_t numOptions)
+static OCStackResult OCPreparePresence(CAEndpoint_t *endpoint,
+ char *resourceUri, char **requestUri)
{
- OCStackResult result = OC_STACK_ERROR;
- OCCoAPToken token;
- ClientCB *clientCB = NULL;
- unsigned char * requestUri = NULL;
- unsigned char * resourceType = NULL;
- char * newUri = (char *)requiredUri;
- (void) referenceUri;
+ char uri[CA_MAX_URI_LENGTH];
+
+ FormCanonicalPresenceUri(endpoint, resourceUri, uri);
- OC_LOG(INFO, TAG, PCF("Entering OCDoResource"));
+ *requestUri = OICStrdup(uri);
+ if (!*requestUri)
+ {
+ return OC_STACK_NO_MEMORY;
+ }
+
+ return OC_STACK_OK;
+}
+
+/**
+ * Discover or Perform requests on a specified resource
+ */
+OCStackResult OCDoResource(OCDoHandle *handle,
+ OCMethod method,
+ const char *requestUri,
+ const OCDevAddr *destination,
+ OCPayload* payload,
+ OCConnectivityType connectivityType,
+ OCQualityOfService qos,
+ OCCallbackData *cbData,
+ OCHeaderOption *options,
+ uint8_t numOptions)
+{
+ OIC_LOG(INFO, TAG, "Entering OCDoResource");
// Validate input parameters
VERIFY_NON_NULL(cbData, FATAL, OC_STACK_INVALID_CALLBACK);
VERIFY_NON_NULL(cbData->cb, FATAL, OC_STACK_INVALID_CALLBACK);
+ VERIFY_NON_NULL(requestUri , FATAL, OC_STACK_INVALID_URI);
+
+ OCStackResult result = OC_STACK_ERROR;
+ CAResult_t caResult;
+ CAToken_t token = NULL;
+ uint8_t tokenLength = CA_MAX_TOKEN_LEN;
+ ClientCB *clientCB = NULL;
+ OCDoHandle resHandle = NULL;
+ CAEndpoint_t endpoint = {.adapter = CA_DEFAULT_ADAPTER};
+ OCDevAddr tmpDevAddr = { OC_DEFAULT_ADAPTER };
+ uint32_t ttl = 0;
+ OCTransportAdapter adapter;
+ OCTransportFlags flags;
+ // the request contents are put here
+ CARequestInfo_t requestInfo = {.method = CA_GET};
+ // requestUri will be parsed into the following three variables
+ OCDevAddr *devAddr = NULL;
+ char *resourceUri = NULL;
+ char *resourceType = NULL;
- TODO ("Need to form the final query by concatenating require and reference URI's");
- VERIFY_NON_NULL(requiredUri, FATAL, OC_STACK_INVALID_URI);
+ /*
+ * Support original behavior with address on resourceUri argument.
+ */
+ adapter = (OCTransportAdapter)(connectivityType >> CT_ADAPTER_SHIFT);
+ flags = (OCTransportFlags)(connectivityType & CT_MASK_FLAGS);
- uint16_t uriLen = strlen(requiredUri);
+ result = ParseRequestUri(requestUri, adapter, flags, &devAddr, &resourceUri, &resourceType);
- // ToDo: We should also check if the requiredUri has a mutlicast address, then qos has to be OC_Low_QOS
- switch (method)
+ if (result != OC_STACK_OK)
{
- case OC_REST_GET:
- case OC_REST_PUT:
- case OC_REST_POST:
- case OC_REST_DELETE:
- case OC_REST_OBSERVE:
- case OC_REST_OBSERVE_ALL:
- case OC_REST_CANCEL_OBSERVE:
- break;
- #ifdef WITH_PRESENCE
- case OC_REST_PRESENCE:
- break;
- #endif
- default:
- result = OC_STACK_INVALID_METHOD;
- goto exit;
+ OIC_LOG_V(DEBUG, TAG, "Unable to parse uri: %s", requestUri);
+ goto exit;
}
- if((result = verifyUriQueryLength(requiredUri, uriLen)) != OC_STACK_OK)
+ switch (method)
{
+ case OC_REST_GET:
+ case OC_REST_OBSERVE:
+ case OC_REST_OBSERVE_ALL:
+ case OC_REST_CANCEL_OBSERVE:
+ requestInfo.method = CA_GET;
+ break;
+ case OC_REST_PUT:
+ requestInfo.method = CA_PUT;
+ break;
+ case OC_REST_POST:
+ requestInfo.method = CA_POST;
+ break;
+ case OC_REST_DELETE:
+ requestInfo.method = CA_DELETE;
+ break;
+ case OC_REST_DISCOVER:
+ qos = OC_LOW_QOS;
+ if (destination || devAddr)
+ {
+ requestInfo.isMulticast = false;
+ }
+ else
+ {
+ tmpDevAddr.adapter = adapter;
+ tmpDevAddr.flags = flags;
+ destination = &tmpDevAddr;
+ requestInfo.isMulticast = true;
+ }
+ // CA_DISCOVER will become GET and isMulticast
+ requestInfo.method = CA_GET;
+ break;
+#ifdef WITH_PRESENCE
+ case OC_REST_PRESENCE:
+ // Replacing method type with GET because "presence"
+ // is a stack layer only implementation.
+ requestInfo.method = CA_GET;
+ break;
+#endif
+ default:
+ result = OC_STACK_INVALID_METHOD;
goto exit;
}
- if((request) && (strlen(request) > MAX_REQUEST_LENGTH))
+ if (!devAddr && !destination)
{
+ OIC_LOG(DEBUG, TAG, "no devAddr and no destination");
result = OC_STACK_INVALID_PARAM;
goto exit;
}
-#ifdef WITH_PRESENCE
- if(method == OC_REST_PRESENCE)
+ /* If not original behavior, use destination argument */
+ if (destination && !devAddr)
{
- result = getResourceType(requiredUri, &resourceType, &newUri);
- if(resourceType) {
- OC_LOG_V(DEBUG, TAG, "Got Resource Type: %s", resourceType);
- }
- else
+ devAddr = (OCDevAddr *)OICMalloc(sizeof (OCDevAddr));
+ if (!devAddr)
{
- OC_LOG(DEBUG, TAG, "Got Resource Type is NULL.");
+ result = OC_STACK_NO_MEMORY;
+ goto exit;
}
- if(result != OC_STACK_OK)
+ *devAddr = *destination;
+ }
+
+ resHandle = GenerateInvocationHandle();
+ if (!resHandle)
+ {
+ result = OC_STACK_NO_MEMORY;
+ goto exit;
+ }
+
+ caResult = CAGenerateToken(&token, tokenLength);
+ if (caResult != CA_STATUS_OK)
+ {
+ OIC_LOG(ERROR, TAG, "CAGenerateToken error");
+ result= OC_STACK_ERROR;
+ goto exit;
+ }
+
+ // fill in request data
+ requestInfo.info.type = qualityOfServiceToMessageType(qos);
+ requestInfo.info.token = token;
+ requestInfo.info.tokenLength = tokenLength;
+ requestInfo.info.resourceUri = resourceUri;
+
+ if ((method == OC_REST_OBSERVE) || (method == OC_REST_OBSERVE_ALL))
+ {
+ result = CreateObserveHeaderOption (&(requestInfo.info.options),
+ options, numOptions, OC_OBSERVE_REGISTER);
+ if (result != OC_STACK_OK)
{
goto exit;
}
+ requestInfo.info.numOptions = numOptions + 1;
+ }
+ else
+ {
+ requestInfo.info.numOptions = numOptions;
+ requestInfo.info.options =
+ (CAHeaderOption_t*) OICCalloc(numOptions, sizeof(CAHeaderOption_t));
+ memcpy(requestInfo.info.options, (CAHeaderOption_t*)options,
+ numOptions * sizeof(CAHeaderOption_t));
}
-#endif // WITH_PRESENCE
- requestUri = (unsigned char *) OCMalloc(uriLen + 1);
- if(requestUri)
+ CopyDevAddrToEndpoint(devAddr, &endpoint);
+
+ if(payload)
{
- memcpy(requestUri, newUri, (uriLen + 1));
+ if((result =
+ OCConvertPayload(payload, &requestInfo.info.payload, &requestInfo.info.payloadSize))
+ != OC_STACK_OK)
+ {
+ OIC_LOG(ERROR, TAG, "Failed to create CBOR Payload");
+ goto exit;
+ }
+ requestInfo.info.payloadFormat = CA_FORMAT_APPLICATION_CBOR;
}
else
{
- result = OC_STACK_NO_MEMORY;
- goto exit;
+ requestInfo.info.payload = NULL;
+ requestInfo.info.payloadSize = 0;
+ requestInfo.info.payloadFormat = CA_FORMAT_UNDEFINED;
}
- *handle = GenerateInvocationHandle();
- if(!*handle)
+ if (result != OC_STACK_OK)
{
- result = OC_STACK_NO_MEMORY;
+ OIC_LOG(ERROR, TAG, "CACreateEndpoint error");
goto exit;
}
- // Generate token which will be used by OCStack to match responses received
- // with the request
- OCGenerateCoAPToken(&token);
+ // prepare for response
+#ifdef WITH_PRESENCE
+ if (method == OC_REST_PRESENCE)
+ {
+ char *presenceUri = NULL;
+ result = OCPreparePresence(&endpoint, resourceUri, &presenceUri);
+ if (OC_STACK_OK != result)
+ {
+ goto exit;
+ }
+
+ // Assign full presence uri as coap://ip:port/oic/ad to add to callback list.
+ // Presence notification will form a canonical uri to
+ // look for callbacks into the application.
+ resourceUri = presenceUri;
+ }
+#endif
- if((result = AddClientCB(&clientCB, cbData, &token, handle, method, requestUri, resourceType))
- != OC_STACK_OK)
+ ttl = GetTicks(MAX_CB_TIMEOUT_SECONDS * MILLISECONDS_PER_SECOND);
+ result = AddClientCB(&clientCB, cbData, token, tokenLength, &resHandle,
+ method, devAddr, resourceUri, resourceType, ttl);
+ if (OC_STACK_OK != result)
{
- result = OC_STACK_NO_MEMORY;
goto exit;
}
- // Make call to OCCoAP layer
- result = OCDoCoAPResource(method, qos, &token, newUri, request, options, numOptions);
+ 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
-exit:
- if(newUri != requiredUri)
+ // send request
+ result = OCSendRequest(&endpoint, &requestInfo);
+ if (OC_STACK_OK != result)
+ {
+ goto exit;
+ }
+
+ if (handle)
{
- OCFree(newUri);
+ *handle = resHandle;
}
+
+exit:
if (result != OC_STACK_OK)
{
- OC_LOG(ERROR, TAG, PCF("OCDoResource error"));
+ OIC_LOG(ERROR, TAG, "OCDoResource error");
FindAndDeleteClientCB(clientCB);
+ CADestroyToken(token);
+ if (handle)
+ {
+ *handle = NULL;
+ }
+ OICFree(resHandle);
}
+
+ // This is the owner of the payload object, so we free it
+ OCPayloadDestroy(payload);
+ OICFree(requestInfo.info.payload);
+ OICFree(devAddr);
+ OICFree(resourceUri);
+ OICFree(resourceType);
+ OICFree(requestInfo.info.options);
return result;
}
-/**
- * Cancel a request associated with a specific @ref OCDoResource invocation.
- *
- * @param handle - Used to identify a specific OCDoResource invocation.
- * @param qos - used to specify Quality of Service (read below for more info)
- * @param options- used to specify vendor specific header options when sending
- * explicit observe cancellation
- * @param numOptions- Number of header options to be included
- *
- * @return
- * OC_STACK_OK - No errors; Success
- * OC_STACK_INVALID_PARAM - The handle provided is invalid.
- */
OCStackResult OCCancel(OCDoHandle handle, OCQualityOfService qos, OCHeaderOption * options,
- uint8_t numOptions) {
+ uint8_t numOptions)
+{
/*
* This ftn is implemented one of two ways in the case of observation:
*
* When the next notification comes in from server,
* reply with RESET message to server.
* Keep in mind that the server will react to RESET only
- * if the last notification was sent ans CON
+ * if the last notification was sent as CON
*
* 2. qos == OC_CONFIRMABLE. When OCCancel is called,
* and it is associated with an observe request
* Remove the callback associated on client side.
*/
OCStackResult ret = OC_STACK_OK;
+ CAEndpoint_t endpoint = {.adapter = CA_DEFAULT_ADAPTER};
+ CARequestInfo_t requestInfo = {.method = CA_GET};
- if(!handle) {
+ if(!handle)
+ {
return OC_STACK_INVALID_PARAM;
}
- OC_LOG(INFO, TAG, PCF("Entering OCCancel"));
+ ClientCB *clientCB = GetClientCB(NULL, 0, handle, NULL);
+ if (!clientCB)
+ {
+ OIC_LOG(ERROR, TAG, "Callback not found. Called OCCancel on same resource twice?");
+ return OC_STACK_ERROR;
+ }
+
+ switch (clientCB->method)
+ {
+ case OC_REST_OBSERVE:
+ case OC_REST_OBSERVE_ALL:
+
+ OIC_LOG_V(INFO, TAG, "Canceling observation for resource %s",
+ clientCB->requestUri);
+ if (qos != OC_HIGH_QOS)
+ {
+ FindAndDeleteClientCB(clientCB);
+ break;
+ }
+
+ OIC_LOG(INFO, TAG, "Cancelling observation as CONFIRMABLE");
+
+ requestInfo.info.type = qualityOfServiceToMessageType(qos);
+ requestInfo.info.token = clientCB->token;
+ requestInfo.info.tokenLength = clientCB->tokenLength;
- ClientCB *clientCB = GetClientCB(NULL, handle, NULL);
+ if (CreateObserveHeaderOption (&(requestInfo.info.options),
+ options, numOptions, OC_OBSERVE_DEREGISTER) != OC_STACK_OK)
+ {
+ return OC_STACK_ERROR;
+ }
+ requestInfo.info.numOptions = numOptions + 1;
+ requestInfo.info.resourceUri = OICStrdup (clientCB->requestUri);
+
+ CopyDevAddrToEndpoint(clientCB->devAddr, &endpoint);
+
+ ret = OCSendRequest(&endpoint, &requestInfo);
+
+ if (requestInfo.info.options)
+ {
+ OICFree (requestInfo.info.options);
+ }
+ if (requestInfo.info.resourceUri)
+ {
+ OICFree (requestInfo.info.resourceUri);
+ }
+
+ break;
+
+ case OC_REST_DISCOVER:
+ OIC_LOG_V(INFO, TAG, "Cancelling discovery callback for resource %s",
+ clientCB->requestUri);
+ FindAndDeleteClientCB(clientCB);
+ break;
+
+#ifdef WITH_PRESENCE
+ case OC_REST_PRESENCE:
+ FindAndDeleteClientCB(clientCB);
+ break;
+#endif
+
+ default:
+ ret = OC_STACK_INVALID_METHOD;
+ break;
+ }
+
+ return ret;
+}
- if(clientCB) {
- switch (clientCB->method)
+/**
+ * @brief Register Persistent storage callback.
+ * @param persistentStorageHandler [IN] Pointers to open, read, write, close & unlink handlers.
+ * @return
+ * OC_STACK_OK - No errors; Success
+ * OC_STACK_INVALID_PARAM - Invalid parameter
+ */
+OCStackResult OCRegisterPersistentStorageHandler(OCPersistentStorage* persistentStorageHandler)
+{
+ OIC_LOG(INFO, TAG, "RegisterPersistentStorageHandler !!");
+ if(!persistentStorageHandler)
+ {
+ OIC_LOG(ERROR, TAG, "The persistent storage handler is invalid");
+ return OC_STACK_INVALID_PARAM;
+ }
+ else
+ {
+ if( !persistentStorageHandler->open ||
+ !persistentStorageHandler->close ||
+ !persistentStorageHandler->read ||
+ !persistentStorageHandler->unlink ||
+ !persistentStorageHandler->write)
{
- case OC_REST_OBSERVE:
- case OC_REST_OBSERVE_ALL:
- if(qos == OC_HIGH_QOS)
- {
- ret = OCDoCoAPResource(OC_REST_CANCEL_OBSERVE, qos,
- &(clientCB->token), (const char *) clientCB->requestUri, NULL, options,
- numOptions);
- }
- else
- {
- FindAndDeleteClientCB(clientCB);
- }
- break;
- #ifdef WITH_PRESENCE
- case OC_REST_PRESENCE:
- FindAndDeleteClientCB(clientCB);
- break;
- #endif
- default:
- return OC_STACK_INVALID_METHOD;
+ OIC_LOG(ERROR, TAG, "The persistent storage handler is invalid");
+ return OC_STACK_INVALID_PARAM;
}
}
- return ret;
+ return SRMRegisterPersistentStorageHandler(persistentStorageHandler);
}
+
#ifdef WITH_PRESENCE
+
OCStackResult OCProcessPresence()
{
OCStackResult result = OC_STACK_OK;
- uint8_t ipAddr[4] = { 0 };
- uint16_t port = 0;
- OC_LOG(INFO, TAG, PCF("Entering RequestPresence"));
+ // the following line floods the log with messages that are irrelevant
+ // to most purposes. Uncomment as needed.
+ //OIC_LOG(INFO, TAG, "Entering RequestPresence");
ClientCB* cbNode = NULL;
- OCDevAddr dst;
OCClientResponse clientResponse;
- OCResponse * response = NULL;
+ OCStackApplicationResult cbResult = OC_STACK_DELETE_TRANSACTION;
- LL_FOREACH(cbList, cbNode) {
- if(OC_REST_PRESENCE == cbNode->method)
+ LL_FOREACH(cbList, cbNode)
+ {
+ if (OC_REST_PRESENCE != cbNode->method || !cbNode->presence)
{
- if(cbNode->presence)
+ continue;
+ }
+
+ uint32_t now = GetTicks(0);
+ OIC_LOG_V(DEBUG, TAG, "this TTL level %d",
+ cbNode->presence->TTLlevel);
+ OIC_LOG_V(DEBUG, TAG, "current ticks %d", now);
+
+ if (cbNode->presence->TTLlevel > PresenceTimeOutSize)
+ {
+ goto exit;
+ }
+
+ if (cbNode->presence->TTLlevel < PresenceTimeOutSize)
+ {
+ OIC_LOG_V(DEBUG, TAG, "timeout ticks %d",
+ cbNode->presence->timeOut[cbNode->presence->TTLlevel]);
+ }
+ if (cbNode->presence->TTLlevel >= PresenceTimeOutSize)
+ {
+ OIC_LOG(DEBUG, TAG, "No more timeout ticks");
+
+ clientResponse.sequenceNumber = 0;
+ clientResponse.result = OC_STACK_PRESENCE_TIMEOUT;
+ clientResponse.devAddr = *cbNode->devAddr;
+ FixUpClientResponse(&clientResponse);
+ clientResponse.payload = NULL;
+
+ // Increment the TTLLevel (going to a next state), so we don't keep
+ // sending presence notification to client.
+ cbNode->presence->TTLlevel++;
+ OIC_LOG_V(DEBUG, TAG, "moving to TTL level %d",
+ cbNode->presence->TTLlevel);
+
+ cbResult = cbNode->callBack(cbNode->context, cbNode->handle, &clientResponse);
+ if (cbResult == OC_STACK_DELETE_TRANSACTION)
{
- uint32_t now = GetTime(0);
- OC_LOG_V(DEBUG, TAG, "----------------this TTL level %d", cbNode->presence->TTLlevel);
- OC_LOG_V(DEBUG, TAG, "----------------current ticks %d", now);
+ FindAndDeleteClientCB(cbNode);
+ }
+ }
+ if (now < cbNode->presence->timeOut[cbNode->presence->TTLlevel])
+ {
+ continue;
+ }
- if(cbNode->presence->TTLlevel >= (PresenceTimeOutSize + 1))
- {
- goto exit;
- }
+ CAEndpoint_t endpoint = {.adapter = CA_DEFAULT_ADAPTER};
+ CAInfo_t requestData = {.type = CA_MSG_CONFIRM};
+ CARequestInfo_t requestInfo = {.method = CA_GET};
- if(cbNode->presence->TTLlevel < PresenceTimeOutSize){
- OC_LOG_V(DEBUG, TAG, "----------------timeout ticks %d",
- cbNode->presence->timeOut[cbNode->presence->TTLlevel]);
- }
+ OIC_LOG(DEBUG, TAG, "time to test server presence");
- if(cbNode->presence->TTLlevel >= PresenceTimeOutSize)
- {
- OC_LOG(DEBUG, TAG, PCF("----------------No more timeout ticks"));
- if (ParseIPv4Address( cbNode->requestUri, ipAddr, &port))
- {
- OCBuildIPv4Address(ipAddr[0], ipAddr[1], ipAddr[2], ipAddr[3], port,
- &dst);
- result = FormOCClientResponse(&clientResponse, OC_STACK_PRESENCE_TIMEOUT,
- (OCDevAddr *) &dst, 0, NULL);
- if(result != OC_STACK_OK)
- {
- goto exit;
- }
- result = FormOCResponse(&response, cbNode, 0, &clientResponse);
- if(result != OC_STACK_OK)
- {
- goto exit;
- }
-
- // Increment the TTLLevel (going to a next state), so we don't keep
- // sending presence notification to client.
- cbNode->presence->TTLlevel++;
- OC_LOG_V(DEBUG, TAG, "----------------moving to TTL level %d",
- cbNode->presence->TTLlevel);
- }
- else
- {
- result = OC_STACK_INVALID_IP;
- goto exit;
- }
- HandleStackResponses(response);
- }
- if(now >= cbNode->presence->timeOut[cbNode->presence->TTLlevel])
- {
- OC_LOG(DEBUG, TAG, PCF("time to test server presence =========="));
- OCCoAPToken token;
- OCGenerateCoAPToken(&token);
- result = OCDoCoAPResource(OC_REST_GET, OC_LOW_QOS,
- &token, (const char *)cbNode->requestUri, NULL, NULL, 0);
- if(result != OC_STACK_OK)
- {
- goto exit;
- }
- cbNode->presence->TTLlevel++;
- OC_LOG_V(DEBUG, TAG, "----------------moving to TTL level %d", cbNode->presence->TTLlevel);
- }
- }
+ CopyDevAddrToEndpoint(cbNode->devAddr, &endpoint);
+
+ requestData.type = CA_MSG_NONCONFIRM;
+ requestData.token = cbNode->token;
+ requestData.tokenLength = cbNode->tokenLength;
+ requestData.resourceUri = OC_RSRVD_PRESENCE_URI;
+ requestInfo.method = CA_GET;
+ requestInfo.info = requestData;
+
+ result = OCSendRequest(&endpoint, &requestInfo);
+ if (OC_STACK_OK != result)
+ {
+ goto exit;
}
+
+ cbNode->presence->TTLlevel++;
+ OIC_LOG_V(DEBUG, TAG, "moving to TTL level %d", cbNode->presence->TTLlevel);
}
exit:
if (result != OC_STACK_OK)
{
- OC_LOG(ERROR, TAG, PCF("OCProcessPresence error"));
+ OIC_LOG(ERROR, TAG, "OCProcessPresence error");
}
+
return result;
}
-#endif
-
-/**
- * Called in main loop of OC client or server. Allows low-level processing of
- * stack services.
- *
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack process error
- */
-OCStackResult OCProcess() {
+#endif // WITH_PRESENCE
- OC_LOG(INFO, TAG, PCF("Entering OCProcess"));
- #ifdef WITH_PRESENCE
+OCStackResult OCProcess()
+{
+#ifdef WITH_PRESENCE
OCProcessPresence();
- #endif
- OCProcessCoAP();
+#endif
+ CAHandleRequestResponse();
+
+#ifdef ROUTING_GATEWAY
+ RMProcess();
+#endif
+#ifdef TCP_ADAPTER
+ ProcessKeepAlive();
+#endif
return OC_STACK_OK;
}
#ifdef WITH_PRESENCE
-/**
- * When operating in @ref OCServer or @ref OCClientServer mode, this API will start sending out
- * presence notifications to clients via multicast. Once this API has been called with a success,
- * clients may query for this server's presence and this server's stack will respond via multicast.
- *
- * Server can call this function when it comes online for the first time, or when it comes back
- * online from offline mode, or when it re enters network.
- *
- * @param ttl - Time To Live in seconds
- * Note: If ttl is '0', then the default stack value will be used (60 Seconds).
- *
- * @return
- * OC_STACK_OK - No errors; Success
- */
OCStackResult OCStartPresence(const uint32_t ttl)
{
+ uint8_t tokenLength = CA_MAX_TOKEN_LEN;
OCChangeResourceProperty(
&(((OCResource *)presenceResource.handle)->resourceProperties),
OC_ACTIVE, 1);
- if(ttl > 0)
+ if (OC_MAX_PRESENCE_TTL_SECONDS < ttl)
+ {
+ presenceResource.presenceTTL = OC_MAX_PRESENCE_TTL_SECONDS;
+ OIC_LOG(INFO, TAG, "Setting Presence TTL to max value");
+ }
+ else if (0 == ttl)
+ {
+ presenceResource.presenceTTL = OC_DEFAULT_PRESENCE_TTL_SECONDS;
+ OIC_LOG(INFO, TAG, "Setting Presence TTL to default value");
+ }
+ else
{
presenceResource.presenceTTL = ttl;
}
+ OIC_LOG_V(DEBUG, TAG, "Presence TTL is %" PRIu32 " seconds", presenceResource.presenceTTL);
- if(OC_PRESENCE_UNINITIALIZED == presenceState)
+ if (OC_PRESENCE_UNINITIALIZED == presenceState)
{
- OCDevAddr multiCastAddr;
- OCCoAPToken token;
-
presenceState = OC_PRESENCE_INITIALIZED;
- OCGenerateCoAPToken(&token);
- OCBuildIPv4Address(224, 0, 1, 187, 5683, &multiCastAddr);
- //add the presence observer
- AddObserver(OC_PRESENCE_URI, NULL, 0, &token, &multiCastAddr,
- (OCResource *)presenceResource.handle, OC_LOW_QOS);
+
+ OCDevAddr devAddr = { OC_DEFAULT_ADAPTER };
+
+ CAToken_t caToken = NULL;
+ CAResult_t caResult = CAGenerateToken(&caToken, tokenLength);
+ if (caResult != CA_STATUS_OK)
+ {
+ OIC_LOG(ERROR, TAG, "CAGenerateToken error");
+ CADestroyToken(caToken);
+ return OC_STACK_ERROR;
+ }
+
+ AddObserver(OC_RSRVD_PRESENCE_URI, NULL, 0, caToken, tokenLength,
+ (OCResource *)presenceResource.handle, OC_LOW_QOS, OC_FORMAT_UNDEFINED, &devAddr);
+ CADestroyToken(caToken);
}
// Each time OCStartPresence is called
// a different random 32-bit integer number is used
((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
- return SendPresenceNotification(NULL);
+ return SendPresenceNotification(((OCResource *)presenceResource.handle)->rsrcType,
+ OC_PRESENCE_TRIGGER_CREATE);
}
-/**
- * When operating in @ref OCServer or @ref OCClientServer mode, this API will stop sending out
- * presence notifications to clients via multicast. Once this API has been called with a success,
- * this server's stack will not respond to clients querying for this server's presence.
- *
- * Server can call this function when it is terminating, going offline, or when going
- * away from network.
- *
- * @return
- * OC_STACK_OK - No errors; Success
- */
OCStackResult OCStopPresence()
{
OCStackResult result = OC_STACK_ERROR;
- //make resource inactive
+
+ if(presenceResource.handle)
+ {
+ ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
+
+ // make resource inactive
result = OCChangeResourceProperty(
&(((OCResource *) presenceResource.handle)->resourceProperties),
OC_ACTIVE, 0);
- result = SendPresenceNotification(NULL);
+ }
- return result;
+ if(result != OC_STACK_OK)
+ {
+ OIC_LOG(ERROR, TAG,
+ "Changing the presence resource properties to ACTIVE not successful");
+ return result;
+ }
+
+ return SendStopNotification();
}
#endif
-
-OCStackResult OCSetDefaultDeviceEntityHandler(OCDeviceEntityHandler entityHandler)
+OCStackResult OCSetDefaultDeviceEntityHandler(OCDeviceEntityHandler entityHandler,
+ void* callbackParameter)
{
defaultDeviceHandler = entityHandler;
+ defaultDeviceHandlerCallbackParameter = callbackParameter;
return OC_STACK_OK;
}
-OCStackResult OCSetDeviceInfo(OCDeviceInfo deviceInfo)
+OCStackResult OCSetPlatformInfo(OCPlatformInfo platformInfo)
{
- OC_LOG(INFO, TAG, PCF("Entering OCSetDeviceInfo"));
+ OIC_LOG(INFO, TAG, "Entering OCSetPlatformInfo");
- if(myStackMode == OC_CLIENT)
+ if(myStackMode == OC_SERVER || myStackMode == OC_CLIENT_SERVER || myStackMode == OC_GATEWAY)
+ {
+ if (validatePlatformInfo(platformInfo))
+ {
+ return SavePlatformInfo(platformInfo);
+ }
+ else
+ {
+ return OC_STACK_INVALID_PARAM;
+ }
+ }
+ else
{
return OC_STACK_ERROR;
}
+}
+
+OCStackResult OCSetDeviceInfo(OCDeviceInfo deviceInfo)
+{
+ OIC_LOG(INFO, TAG, "Entering OCSetDeviceInfo");
+
+ if (!deviceInfo.deviceName || deviceInfo.deviceName[0] == '\0')
+ {
+ OIC_LOG(ERROR, TAG, "Null or empty device name.");
+ return OC_STACK_INVALID_PARAM;
+ }
+
+ if (deviceInfo.types)
+ {
+ OCStringLL *type = deviceInfo.types;
+ OCResource *resource = findResource((OCResource *) deviceResource);
+ if (!resource)
+ {
+ return OC_STACK_INVALID_PARAM;
+ }
+ deleteResourceType(resource->rsrcType);
+ resource->rsrcType = NULL;
+ while (type)
+ {
+ OCBindResourceTypeToResource(deviceResource, type->value);
+ type = type->next;
+ }
+ }
return SaveDeviceInfo(deviceInfo);
}
-/**
- * Create a resource
- *
- * @param handle - pointer to handle to newly created resource. Set by ocstack. Used to refer to resource
- * @param resourceTypeName - name of resource type. Example: "core.led"
- * @param resourceInterfaceName - name of resource interface. Example: "core.rw"
- * @param uri - URI of the resource. Example: "/a/led"
- * @param entityHandler - entity handler function that is called by ocstack to handle requests, etc
- * NULL for default entity handler
- * @param resourceProperties - properties supported by resource. Example: OC_DISCOVERABLE|OC_OBSERVABLE
- *
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack process error
- */
OCStackResult OCCreateResource(OCResourceHandle *handle,
const char *resourceTypeName,
const char *resourceInterfaceName,
const char *uri, OCEntityHandler entityHandler,
- uint8_t resourceProperties) {
+ void* callbackParam,
+ uint8_t resourceProperties)
+{
OCResource *pointer = NULL;
- char *str = NULL;
- size_t size;
OCStackResult result = OC_STACK_ERROR;
- OC_LOG(INFO, TAG, PCF("Entering OCCreateResource"));
+ OIC_LOG(INFO, TAG, "Entering OCCreateResource");
if(myStackMode == OC_CLIENT)
{
- return result;
+ return OC_STACK_INVALID_PARAM;
}
// Validate parameters
- if(!uri || (strlen(uri) == 0))
+ if(!uri || uri[0]=='\0' || strlen(uri)>=MAX_URI_LENGTH )
{
- OC_LOG(ERROR, TAG, PCF("URI is invalid"));
+ OIC_LOG(ERROR, TAG, "URI is empty or too long");
return OC_STACK_INVALID_URI;
}
// Is it presented during resource discovery?
- if (!handle || !resourceTypeName) {
- OC_LOG(ERROR, TAG, PCF("Input parameter is NULL"));
+ if (!handle || !resourceTypeName || resourceTypeName[0] == '\0' )
+ {
+ OIC_LOG(ERROR, TAG, "Input parameter is NULL");
return OC_STACK_INVALID_PARAM;
}
- if(!resourceInterfaceName || strlen(resourceInterfaceName) == 0) {
+ if(!resourceInterfaceName || strlen(resourceInterfaceName) == 0)
+ {
resourceInterfaceName = OC_RSRVD_INTERFACE_DEFAULT;
}
// Make sure resourceProperties bitmask has allowed properties specified
if (resourceProperties
- > (OC_ACTIVE | OC_DISCOVERABLE | OC_OBSERVABLE | OC_SLOW | OC_SECURE)) {
- OC_LOG(ERROR, TAG, PCF("Invalid property"));
+ > (OC_ACTIVE | OC_DISCOVERABLE | OC_OBSERVABLE | OC_SLOW | OC_SECURE |
+ OC_EXPLICIT_DISCOVERABLE))
+ {
+ OIC_LOG(ERROR, TAG, "Invalid property");
return OC_STACK_INVALID_PARAM;
}
// If the headResource is NULL, then no resources have been created...
pointer = headResource;
- if (pointer) {
+ if (pointer)
+ {
// At least one resources is in the resource list, so we need to search for
// repeated URLs, which are not allowed. If a repeat is found, exit with an error
- while (pointer) {
- if (strcmp(uri, pointer->uri) == 0) {
- OC_LOG(ERROR, TAG, PCF("URI already in use"));
+ while (pointer)
+ {
+ if (strncmp(uri, pointer->uri, MAX_URI_LENGTH) == 0)
+ {
+ OIC_LOG_V(ERROR, TAG, "Resource %s already exists", uri);
return OC_STACK_INVALID_PARAM;
}
pointer = pointer->next;
}
}
// Create the pointer and insert it into the resource list
- pointer = (OCResource *) OCCalloc(1, sizeof(OCResource));
- if (!pointer) {
+ pointer = (OCResource *) OICCalloc(1, sizeof(OCResource));
+ if (!pointer)
+ {
+ result = OC_STACK_NO_MEMORY;
goto exit;
}
pointer->sequenceNum = OC_OFFSET_SEQUENCE_NUMBER;
insertResource(pointer);
// Set the uri
- size = strlen(uri) + 1;
- str = (char *) OCMalloc(size);
- if (!str) {
+ pointer->uri = OICStrdup(uri);
+ if (!pointer->uri)
+ {
+ result = OC_STACK_NO_MEMORY;
goto exit;
}
- strncpy(str, uri, size);
- pointer->uri = str;
// Set properties. Set OC_ACTIVE
pointer->resourceProperties = (OCResourceProperty) (resourceProperties
// Add the resourcetype to the resource
result = BindResourceTypeToResource(pointer, resourceTypeName);
- if (result != OC_STACK_OK) {
- OC_LOG(ERROR, TAG, PCF("Error adding resourcetype"));
+ if (result != OC_STACK_OK)
+ {
+ OIC_LOG(ERROR, TAG, "Error adding resourcetype");
goto exit;
}
// Add the resourceinterface to the resource
result = BindResourceInterfaceToResource(pointer, resourceInterfaceName);
- if (result != OC_STACK_OK) {
- OC_LOG(ERROR, TAG, PCF("Error adding resourceinterface"));
+ if (result != OC_STACK_OK)
+ {
+ OIC_LOG(ERROR, TAG, "Error adding resourceinterface");
goto exit;
}
if (entityHandler)
{
pointer->entityHandler = entityHandler;
+ pointer->entityHandlerCallbackParam = callbackParam;
}
else
{
pointer->entityHandler = defaultResourceEHandler;
+ pointer->entityHandlerCallbackParam = NULL;
}
+ // Initialize a pointer indicating child resources in case of collection
+ pointer->rsrcChildResourcesHead = NULL;
+
*handle = pointer;
result = OC_STACK_OK;
- #ifdef WITH_PRESENCE
- if(presenceResource.handle)
+#ifdef WITH_PRESENCE
+ if (presenceResource.handle)
{
((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
- SendPresenceNotification(pointer->rsrcType);
+ SendPresenceNotification(pointer->rsrcType, OC_PRESENCE_TRIGGER_CREATE);
}
- #endif
+#endif
exit:
if (result != OC_STACK_OK)
{
// Deep delete of resource and other dynamic elements that it contains
deleteResource(pointer);
- OCFree(str);
- }
- return result;
-}
-
-
-
-/**
- * Create a resource. with host ip address for remote resource
- *
- * @param handle - pointer to handle to newly created resource. Set by ocstack.
- * Used to refer to resource
- * @param resourceTypeName - name of resource type. Example: "core.led"
- * @param resourceInterfaceName - name of resource interface. Example: "core.rw"
- * @param host - HOST address of the remote resource. Example: "coap://xxx.xxx.xxx.xxx:xxxxx"
- * @param uri - URI of the resource. Example: "/a/led"
- * @param entityHandler - entity handler function that is called by ocstack to handle requests, etc
- * NULL for default entity handler
- * @param resourceProperties - properties supported by resource.
- * Example: OC_DISCOVERABLE|OC_OBSERVABLE
- *
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack process error
- */
-
-OCStackResult OCCreateResourceWithHost(OCResourceHandle *handle,
- const char *resourceTypeName,
- const char *resourceInterfaceName,
- const char *host,
- const char *uri,
- OCEntityHandler entityHandler,
- uint8_t resourceProperties)
-{
- char *str = NULL;
- size_t size;
- OCStackResult result = OC_STACK_ERROR;
-
- result = OCCreateResource(handle, resourceTypeName, resourceInterfaceName,
- uri, entityHandler, resourceProperties);
-
- if (result != OC_STACK_ERROR)
- {
- // Set the uri
- size = strlen(host) + 1;
- str = (char *) OCMalloc(size);
- if (!str)
- {
- return OC_STACK_ERROR;
- }
- strncpy(str, host, size);
- ((OCResource *) *handle)->host = str;
}
-
return result;
}
-/**
- * Add a resource to a collection resource.
- *
- * @param collectionHandle - handle to the collection resource
- * @param resourceHandle - handle to resource to be added to the collection resource
- *
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack process error
- * OC_STACK_INVALID_PARAM - invalid collectionhandle
- */
OCStackResult OCBindResource(
- OCResourceHandle collectionHandle, OCResourceHandle resourceHandle) {
- OCResource *resource;
- uint8_t i;
+ OCResourceHandle collectionHandle, OCResourceHandle resourceHandle)
+{
+ OCResource *resource = NULL;
+ OCChildResource *tempChildResource = NULL;
+ OCChildResource *newChildResource = NULL;
- OC_LOG(INFO, TAG, PCF("Entering OCBindResource"));
+ OIC_LOG(INFO, TAG, "Entering OCBindResource");
// Validate parameters
VERIFY_NON_NULL(collectionHandle, ERROR, OC_STACK_ERROR);
VERIFY_NON_NULL(resourceHandle, ERROR, OC_STACK_ERROR);
// Container cannot contain itself
- if (collectionHandle == resourceHandle) {
- OC_LOG(ERROR, TAG, PCF("Added handle equals collection handle"));
+ if (collectionHandle == resourceHandle)
+ {
+ OIC_LOG(ERROR, TAG, "Added handle equals collection handle");
return OC_STACK_INVALID_PARAM;
}
// Use the handle to find the resource in the resource linked list
resource = findResource((OCResource *) collectionHandle);
- if (!resource) {
- OC_LOG(ERROR, TAG, PCF("Collection handle not found"));
+ if (!resource)
+ {
+ OIC_LOG(ERROR, TAG, "Collection handle not found");
return OC_STACK_INVALID_PARAM;
}
// Look for an open slot to add add the child resource.
// If found, add it and return success
- for (i = 0; i < MAX_CONTAINED_RESOURCES; i++) {
- if (!resource->rsrcResources[i]) {
- resource->rsrcResources[i] = (OCResource *) resourceHandle;
- OC_LOG(INFO, TAG, PCF("resource bound"));
- return OC_STACK_OK;
- }
+
+ tempChildResource = resource->rsrcChildResourcesHead;
+
+ while(resource->rsrcChildResourcesHead && tempChildResource->next)
+ {
+ // TODO: what if one of child resource was deregistered without unbinding?
+ tempChildResource = tempChildResource->next;
}
- #ifdef WITH_PRESENCE
- if(presenceResource.handle)
+ // Do memory allocation for child resource
+ newChildResource = (OCChildResource *) OICCalloc(1, sizeof(OCChildResource));
+ if(!newChildResource)
+ {
+ OIC_LOG(ERROR, TAG, "Adding new child resource is failed due to memory allocation failure");
+ return OC_STACK_ERROR;
+ }
+
+ newChildResource->rsrcResource = (OCResource *) resourceHandle;
+ newChildResource->next = NULL;
+
+ if(!resource->rsrcChildResourcesHead)
+ {
+ resource->rsrcChildResourcesHead = newChildResource;
+ }
+ else {
+ tempChildResource->next = newChildResource;
+ }
+
+ OIC_LOG(INFO, TAG, "resource bound");
+
+#ifdef WITH_PRESENCE
+ if (presenceResource.handle)
{
((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
- SendPresenceNotification(((OCResource *) resourceHandle)->rsrcType);
+ SendPresenceNotification(((OCResource *) resourceHandle)->rsrcType,
+ OC_PRESENCE_TRIGGER_CHANGE);
}
- #endif
+#endif
- // Unable to add resourceHandle, so return error
- return OC_STACK_ERROR;
+ return OC_STACK_OK;
}
-/**
- * Remove a resource from a collection resource.
- *
- * @param collectionHandle - handle to the collection resource
- * @param resourceHandle - handle to resource to be added to the collection resource
- *
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack process error
- * OC_STACK_INVALID_PARAM - invalid collectionHandle
- */
OCStackResult OCUnBindResource(
- OCResourceHandle collectionHandle, OCResourceHandle resourceHandle) {
- OCResource *resource;
- uint8_t i;
+ OCResourceHandle collectionHandle, OCResourceHandle resourceHandle)
+{
+ OCResource *resource = NULL;
+ OCChildResource *tempChildResource = NULL;
+ OCChildResource *tempLastChildResource = NULL;
- OC_LOG(INFO, TAG, PCF("Entering OCUnBindResource"));
+ OIC_LOG(INFO, TAG, "Entering OCUnBindResource");
// Validate parameters
VERIFY_NON_NULL(collectionHandle, ERROR, OC_STACK_ERROR);
VERIFY_NON_NULL(resourceHandle, ERROR, OC_STACK_ERROR);
// Container cannot contain itself
- if (collectionHandle == resourceHandle) {
- OC_LOG(ERROR, TAG, PCF("removing handle equals collection handle"));
+ if (collectionHandle == resourceHandle)
+ {
+ OIC_LOG(ERROR, TAG, "removing handle equals collection handle");
return OC_STACK_INVALID_PARAM;
}
// Use the handle to find the resource in the resource linked list
resource = findResource((OCResource *) collectionHandle);
- if (!resource) {
- OC_LOG(ERROR, TAG, PCF("Collection handle not found"));
+ if (!resource)
+ {
+ OIC_LOG(ERROR, TAG, "Collection handle not found");
return OC_STACK_INVALID_PARAM;
}
// Look for an open slot to add add the child resource.
// If found, add it and return success
- for (i = 0; i < MAX_CONTAINED_RESOURCES; i++) {
- if (resourceHandle == resource->rsrcResources[i]) {
- resource->rsrcResources[i] = (OCResource *) NULL;
- OC_LOG(INFO, TAG, PCF("resource unbound"));
+ if(!resource->rsrcChildResourcesHead)
+ {
+ OIC_LOG(INFO, TAG, "resource not found in collection");
+
+ // Unable to add resourceHandle, so return error
+ return OC_STACK_ERROR;
+
+ }
+
+ tempChildResource = resource->rsrcChildResourcesHead;
+
+ while (tempChildResource)
+ {
+ if(tempChildResource->rsrcResource == resourceHandle)
+ {
+ // if resource going to be unbinded is the head one.
+ if( tempChildResource == resource->rsrcChildResourcesHead )
+ {
+ OCChildResource *temp = resource->rsrcChildResourcesHead->next;
+ OICFree(resource->rsrcChildResourcesHead);
+ resource->rsrcChildResourcesHead = temp;
+ temp = NULL;
+ }
+ else
+ {
+ OCChildResource *temp = tempChildResource->next;
+ OICFree(tempChildResource);
+ tempLastChildResource->next = temp;
+ temp = NULL;
+ }
+
+ OIC_LOG(INFO, TAG, "resource unbound");
+
+ // Send notification when resource is unbounded successfully.
+#ifdef WITH_PRESENCE
+ if (presenceResource.handle)
+ {
+ ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
+ SendPresenceNotification(((OCResource *) resourceHandle)->rsrcType,
+ OC_PRESENCE_TRIGGER_CHANGE);
+ }
+#endif
+ tempChildResource = NULL;
+ tempLastChildResource = NULL;
+
return OC_STACK_OK;
+
}
+
+ tempLastChildResource = tempChildResource;
+ tempChildResource = tempChildResource->next;
}
- OC_LOG(INFO, TAG, PCF("resource not found in collection"));
+ OIC_LOG(INFO, TAG, "resource not found in collection");
- #ifdef WITH_PRESENCE
- if(presenceResource.handle)
+ tempChildResource = NULL;
+ tempLastChildResource = NULL;
+
+ // Unable to add resourceHandle, so return error
+ return OC_STACK_ERROR;
+}
+
+// Precondition is that the parameter has been checked to not equal NULL.
+static bool ValidateResourceTypeInterface(const char *resourceItemName)
+{
+ if (resourceItemName[0] < 'a' || resourceItemName[0] > 'z')
{
- ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
- SendPresenceNotification(((OCResource *) resourceHandle)->rsrcType);
+ return false;
+ }
+
+ size_t index = 1;
+ while (resourceItemName[index] != '\0')
+ {
+ if (resourceItemName[index] != '.' &&
+ resourceItemName[index] != '-' &&
+ (resourceItemName[index] < 'a' || resourceItemName[index] > 'z') &&
+ (resourceItemName[index] < '0' || resourceItemName[index] > '9'))
+ {
+ return false;
+ }
+ ++index;
}
- #endif
- // Unable to add resourceHandle, so return error
- return OC_STACK_ERROR;
+ return true;
}
-
OCStackResult BindResourceTypeToResource(OCResource* resource,
const char *resourceTypeName)
{
OCResourceType *pointer = NULL;
char *str = NULL;
- size_t size;
OCStackResult result = OC_STACK_ERROR;
- OC_LOG(INFO, TAG, PCF("Entering BindResourceTypeToResource"));
-
- // Validate parameters
VERIFY_NON_NULL(resourceTypeName, ERROR, OC_STACK_INVALID_PARAM);
- // TODO: Does resource attribute resentation really have to be maintained in stack?
- // Is it presented during resource discovery?
- TODO ("Make sure that the resourcetypename doesn't already exist in the resource");
+ if (!ValidateResourceTypeInterface(resourceTypeName))
+ {
+ OIC_LOG(ERROR, TAG, "resource type illegal (see RFC 6690)");
+ return OC_STACK_INVALID_PARAM;
+ }
- // Create the resourcetype and insert it into the resource list
- pointer = (OCResourceType *) OCCalloc(1, sizeof(OCResourceType));
- if (!pointer) {
+ pointer = (OCResourceType *) OICCalloc(1, sizeof(OCResourceType));
+ if (!pointer)
+ {
+ result = OC_STACK_NO_MEMORY;
goto exit;
}
- // Set the resourceTypeName
- size = strlen(resourceTypeName) + 1;
- str = (char *) OCMalloc(size);
- if (!str) {
+ str = OICStrdup(resourceTypeName);
+ if (!str)
+ {
+ result = OC_STACK_NO_MEMORY;
goto exit;
}
- strncpy(str, resourceTypeName, size);
pointer->resourcetypename = str;
+ pointer->next = NULL;
insertResourceType(resource, pointer);
result = OC_STACK_OK;
- exit: if (result != OC_STACK_OK) {
- OCFree(pointer);
- OCFree(str);
+exit:
+ if (result != OC_STACK_OK)
+ {
+ OICFree(pointer);
+ OICFree(str);
}
return result;
{
OCResourceInterface *pointer = NULL;
char *str = NULL;
- size_t size;
OCStackResult result = OC_STACK_ERROR;
- OC_LOG(INFO, TAG, PCF("Entering BindResourceInterfaceToResource"));
-
- // Validate parameters
VERIFY_NON_NULL(resourceInterfaceName, ERROR, OC_STACK_INVALID_PARAM);
- TODO ("Make sure that the resourceinterface name doesn't already exist in the resource");
+ if (!ValidateResourceTypeInterface(resourceInterfaceName))
+ {
+ OIC_LOG(ERROR, TAG, "resource /interface illegal (see RFC 6690)");
+ return OC_STACK_INVALID_PARAM;
+ }
+
+ OIC_LOG_V(INFO, TAG, "Binding %s interface to %s", resourceInterfaceName, resource->uri);
- // Create the resourceinterface and insert it into the resource list
- pointer = (OCResourceInterface *) OCCalloc(1, sizeof(OCResourceInterface));
- if (!pointer) {
+ pointer = (OCResourceInterface *) OICCalloc(1, sizeof(OCResourceInterface));
+ if (!pointer)
+ {
+ result = OC_STACK_NO_MEMORY;
goto exit;
}
- // Set the resourceinterface name
- size = strlen(resourceInterfaceName) + 1;
- str = (char *) OCMalloc(size);
- if (!str) {
+ str = OICStrdup(resourceInterfaceName);
+ if (!str)
+ {
+ result = OC_STACK_NO_MEMORY;
goto exit;
}
- strncpy(str, resourceInterfaceName, size);
pointer->name = str;
// Bind the resourceinterface to the resource
result = OC_STACK_OK;
- exit: if (result != OC_STACK_OK) {
- OCFree(pointer);
- OCFree(str);
+ exit:
+ if (result != OC_STACK_OK)
+ {
+ OICFree(pointer);
+ OICFree(str);
}
return result;
}
-/**
- * Bind a resourcetype to a resource.
- *
- * @param handle - handle to the resource
- * @param resourceTypeName - name of resource type. Example: "core.led"
- *
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack process error
- */
OCStackResult OCBindResourceTypeToResource(OCResourceHandle handle,
- const char *resourceTypeName) {
+ const char *resourceTypeName)
+{
OCStackResult result = OC_STACK_ERROR;
- OCResource *resource;
+ OCResource *resource = NULL;
- // Make sure resource exists
resource = findResource((OCResource *) handle);
- if (!resource) {
- OC_LOG(ERROR, TAG, PCF("Resource not found"));
+ if (!resource)
+ {
+ OIC_LOG(ERROR, TAG, "Resource not found");
return OC_STACK_ERROR;
}
- // call internal function
result = BindResourceTypeToResource(resource, resourceTypeName);
- #ifdef WITH_PRESENCE
+#ifdef WITH_PRESENCE
if(presenceResource.handle)
{
((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
- SendPresenceNotification(resource->rsrcType);
+ SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
}
- #endif
+#endif
return result;
}
-/**
- * Bind a resourceinterface to a resource.
- *
- * @param handle - handle to the resource
- * @param resourceInterfaceName - name of resource interface. Example: "oc.mi.b"
- *
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack process error
- */
-
OCStackResult OCBindResourceInterfaceToResource(OCResourceHandle handle,
- const char *resourceInterfaceName) {
+ const char *resourceInterfaceName)
+{
OCStackResult result = OC_STACK_ERROR;
- OCResource *resource;
+ OCResource *resource = NULL;
- // Make sure resource exists
resource = findResource((OCResource *) handle);
- if (!resource) {
- OC_LOG(ERROR, TAG, PCF("Resource not found"));
+ if (!resource)
+ {
+ OIC_LOG(ERROR, TAG, "Resource not found");
return OC_STACK_ERROR;
}
- // call internal function
result = BindResourceInterfaceToResource(resource, resourceInterfaceName);
- #ifdef WITH_PRESENCE
- if(presenceResource.handle)
+#ifdef WITH_PRESENCE
+ if (presenceResource.handle)
{
((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
- SendPresenceNotification(resource->rsrcType);
+ SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
}
- #endif
+#endif
return result;
}
-/**
- * Get the number of resources that have been created in the stack.
- *
- * @param numResources - pointer to count variable
- *
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack process error
-
- */
-OCStackResult OCGetNumberOfResources(uint8_t *numResources) {
+OCStackResult OCGetNumberOfResources(uint8_t *numResources)
+{
OCResource *pointer = headResource;
- OC_LOG(INFO, TAG, PCF("Entering OCGetNumberOfResources"));
VERIFY_NON_NULL(numResources, ERROR, OC_STACK_INVALID_PARAM);
*numResources = 0;
- while (pointer) {
+ while (pointer)
+ {
*numResources = *numResources + 1;
pointer = pointer->next;
}
return OC_STACK_OK;
}
-/**
- * Get a resource handle by index.
- *
- * @param index - index of resource, 0 to Count - 1
- *
- * @return
- * Resource handle - if found
- * NULL - if not found
- */
-OCResourceHandle OCGetResourceHandle(uint8_t index) {
+OCResourceHandle OCGetResourceHandle(uint8_t index)
+{
OCResource *pointer = headResource;
- uint8_t i = 0;
-
- OC_LOG(INFO, TAG, PCF("Entering OCGetResourceHandle"));
- // Iterate through the list
- while ((i < index) && pointer) {
- i++;
+ for( uint8_t i = 0; i < index && pointer; ++i)
+ {
pointer = pointer->next;
}
return (OCResourceHandle) pointer;
}
-/**
- * Delete resource specified by handle. Deletes resource and all resourcetype and resourceinterface
- * linked lists.
- *
- * @param handle - handle of resource to be deleted
- *
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack process error
- * OC_STACK_NO_RESOURCE - resource not found
- * OC_STACK_INVALID_PARAM - invalid param
- */
-OCStackResult OCDeleteResource(OCResourceHandle handle) {
- OC_LOG(INFO, TAG, PCF("Entering OCDeleteResource"));
-
- if (!handle) {
- OC_LOG(ERROR, TAG, PCF("Invalid param"));
+OCStackResult OCDeleteResource(OCResourceHandle handle)
+{
+ if (!handle)
+ {
+ OIC_LOG(ERROR, TAG, "Invalid handle for deletion");
return OC_STACK_INVALID_PARAM;
}
OCResource *resource = findResource((OCResource *) handle);
- if (resource == NULL) {
- OC_LOG(ERROR, TAG, PCF("Resource not found"));
+ if (resource == NULL)
+ {
+ OIC_LOG(ERROR, TAG, "Resource not found");
return OC_STACK_NO_RESOURCE;
}
- if (deleteResource((OCResource *) handle) == 0) {
- OC_LOG(ERROR, TAG, PCF("Error deleting resource"));
+ if (deleteResource((OCResource *) handle) != OC_STACK_OK)
+ {
+ OIC_LOG(ERROR, TAG, "Error deleting resource");
return OC_STACK_ERROR;
}
return OC_STACK_OK;
}
-/**
- * Get the URI of the resource specified by handle.
- *
- * @param handle - handle of resource
- * @return
- * URI string - if resource found
- * NULL - resource not found
- */
-const char *OCGetResourceUri(OCResourceHandle handle) {
- OCResource *resource;
- OC_LOG(INFO, TAG, PCF("Entering OCGetResourceUri"));
+const char *OCGetResourceUri(OCResourceHandle handle)
+{
+ OCResource *resource = NULL;
resource = findResource((OCResource *) handle);
- if (resource) {
+ if (resource)
+ {
return resource->uri;
}
return (const char *) NULL;
}
-/**
- * Get the properties of the resource specified by handle.
- * NOTE: that after a resource is created, the OC_ACTIVE property is set
- * for the resource by the stack.
- *
- * @param handle - handle of resource
- * @return
- * property bitmap - if resource found
- * NULL - resource not found
- */
-uint8_t OCGetResourceProperties(OCResourceHandle handle) {
- OCResource *resource;
- OC_LOG(INFO, TAG, PCF("Entering OCGetResourceProperties"));
+OCResourceProperty OCGetResourceProperties(OCResourceHandle handle)
+{
+ OCResource *resource = NULL;
resource = findResource((OCResource *) handle);
- if (resource) {
+ if (resource)
+ {
return resource->resourceProperties;
}
- return 0;
+ return (OCResourceProperty)-1;
}
-/**
- * Get the number of resource types of the resource.
- *
- * @param handle - handle of resource
- * @param numResourceTypes - pointer to count variable
- *
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack process error
- */
OCStackResult OCGetNumberOfResourceTypes(OCResourceHandle handle,
- uint8_t *numResourceTypes) {
- OCResource *resource;
- OCResourceType *pointer;
+ uint8_t *numResourceTypes)
+{
+ OCResource *resource = NULL;
+ OCResourceType *pointer = NULL;
- OC_LOG(INFO, TAG, PCF("Entering OCGetNumberOfResourceTypes"));
VERIFY_NON_NULL(numResourceTypes, ERROR, OC_STACK_INVALID_PARAM);
VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
*numResourceTypes = 0;
resource = findResource((OCResource *) handle);
- if (resource) {
+ if (resource)
+ {
pointer = resource->rsrcType;
- while (pointer) {
+ while (pointer)
+ {
*numResourceTypes = *numResourceTypes + 1;
pointer = pointer->next;
}
return OC_STACK_OK;
}
-/**
- * Get name of resource type of the resource.
- *
- * @param handle - handle of resource
- * @param index - index of resource, 0 to Count - 1
- *
- * @return
- * resource type name - if resource found
- * NULL - resource not found
- */
-const char *OCGetResourceTypeName(OCResourceHandle handle, uint8_t index) {
- OCResourceType *resourceType;
-
- OC_LOG(INFO, TAG, PCF("Entering OCGetResourceTypeName"));
+const char *OCGetResourceTypeName(OCResourceHandle handle, uint8_t index)
+{
+ OCResourceType *resourceType = NULL;
resourceType = findResourceTypeAtIndex(handle, index);
- if (resourceType) {
+ if (resourceType)
+ {
return resourceType->resourcetypename;
}
return (const char *) NULL;
}
-
-
-/**
- * Get the number of resource interfaces of the resource.
- *
- * @param handle - handle of resource
- * @param numResources - pointer to count variable
- *
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack process error
- */
OCStackResult OCGetNumberOfResourceInterfaces(OCResourceHandle handle,
- uint8_t *numResourceInterfaces) {
- OCResourceInterface *pointer;
- OCResource *resource;
-
- OC_LOG(INFO, TAG, PCF("Entering OCGetNumberOfResourceInterfaces"));
+ uint8_t *numResourceInterfaces)
+{
+ OCResourceInterface *pointer = NULL;
+ OCResource *resource = NULL;
VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
VERIFY_NON_NULL(numResourceInterfaces, ERROR, OC_STACK_INVALID_PARAM);
*numResourceInterfaces = 0;
resource = findResource((OCResource *) handle);
- if (resource) {
+ if (resource)
+ {
pointer = resource->rsrcInterface;
- while (pointer) {
+ while (pointer)
+ {
*numResourceInterfaces = *numResourceInterfaces + 1;
pointer = pointer->next;
}
return OC_STACK_OK;
}
-/**
- * Get name of resource interface of the resource.
- *
- * @param handle - handle of resource
- * @param index - index of resource, 0 to Count - 1
- *
- * @return
- * resource interface name - if resource found
- * NULL - resource not found
- */
-const char *OCGetResourceInterfaceName(OCResourceHandle handle, uint8_t index) {
- OCResourceInterface *resourceInterface;
-
- OC_LOG(INFO, TAG, PCF("Entering OCGetResourceInterfaceName"));
+const char *OCGetResourceInterfaceName(OCResourceHandle handle, uint8_t index)
+{
+ OCResourceInterface *resourceInterface = NULL;
resourceInterface = findResourceInterfaceAtIndex(handle, index);
- if (resourceInterface) {
+ if (resourceInterface)
+ {
return resourceInterface->name;
}
return (const char *) NULL;
}
-/**
- * Get resource handle from the collection resource by index.
- *
- * @param collectionHandle - handle of collection resource
- * @param index - index of contained resource, 0 to Count - 1
- *
- * @return
- * handle to resource - if resource found
- * NULL - resource not found
- */
OCResourceHandle OCGetResourceHandleFromCollection(OCResourceHandle collectionHandle,
- uint8_t index) {
- OCResource *resource;
-
- OC_LOG(INFO, TAG, PCF("Entering OCGetContainedResource"));
+ uint8_t index)
+{
+ OCResource *resource = NULL;
+ OCChildResource *tempChildResource = NULL;
+ uint8_t num = 0;
- if (index >= MAX_CONTAINED_RESOURCES) {
+ resource = findResource((OCResource *) collectionHandle);
+ if (!resource)
+ {
return NULL;
}
- resource = findResource((OCResource *) collectionHandle);
- if (!resource) {
- return NULL;
+ tempChildResource = resource->rsrcChildResourcesHead;
+
+ while(tempChildResource)
+ {
+ if( num == index )
+ {
+ return tempChildResource->rsrcResource;
+ }
+ num++;
+ tempChildResource = tempChildResource->next;
}
- return resource->rsrcResources[index];
+ // In this case, the number of resource handles in the collection exceeds the index
+ tempChildResource = NULL;
+ return NULL;
}
-/**
- * Bind an entity handler to the resource.
- *
- * @param handle - handle to the resource that the contained resource is to be bound
- * @param entityHandler - entity handler function that is called by ocstack to handle requests, etc
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_ERROR - stack process error
- */
OCStackResult OCBindResourceHandler(OCResourceHandle handle,
- OCEntityHandler entityHandler) {
- OCResource *resource;
-
- OC_LOG(INFO, TAG, PCF("Entering OCBindResourceHandler"));
+ OCEntityHandler entityHandler,
+ void* callbackParam)
+{
+ OCResource *resource = NULL;
// Validate parameters
VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
- //VERIFY_NON_NULL(entityHandler, ERROR, OC_STACK_INVALID_PARAM);
// Use the handle to find the resource in the resource linked list
resource = findResource((OCResource *)handle);
- if (!resource) {
- OC_LOG(ERROR, TAG, PCF("Resource not found"));
+ if (!resource)
+ {
+ OIC_LOG(ERROR, TAG, "Resource not found");
return OC_STACK_ERROR;
}
// Bind the handler
resource->entityHandler = entityHandler;
+ resource->entityHandlerCallbackParam = callbackParam;
- #ifdef WITH_PRESENCE
- if(presenceResource.handle)
+#ifdef WITH_PRESENCE
+ if (presenceResource.handle)
{
((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
- SendPresenceNotification(resource->rsrcType);
+ SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
}
- #endif
+#endif
return OC_STACK_OK;
}
-/**
- * Get the entity handler for a resource.
- *
- * @param handle - handle of resource
- *
- * @return
- * entity handler - if resource found
- * NULL - resource not found
- */
-OCEntityHandler OCGetResourceHandler(OCResourceHandle handle) {
- OCResource *resource;
-
- OC_LOG(INFO, TAG, PCF("Entering OCGetResourceHandler"));
+OCEntityHandler OCGetResourceHandler(OCResourceHandle handle)
+{
+ OCResource *resource = NULL;
- // Use the handle to find the resource in the resource linked list
resource = findResource((OCResource *)handle);
- if (!resource) {
- OC_LOG(ERROR, TAG, PCF("Resource not found"));
+ if (!resource)
+ {
+ OIC_LOG(ERROR, TAG, "Resource not found");
return NULL;
}
}
#ifdef WITH_PRESENCE
-/**
- * Notify Presence subscribers that a resource has been modified
- *
- * @param resourceType - Handle to the resourceType linked list of resource
- * that was modified.
- * @param qos - Quality Of Service
- *
- */
-OCStackResult SendPresenceNotification(OCResourceType *resourceType)
+OCStackResult SendPresenceNotification(OCResourceType *resourceType,
+ OCPresenceTrigger trigger)
{
OCResource *resPtr = NULL;
- OCStackResult result;
+ OCStackResult result = OC_STACK_ERROR;
OCMethod method = OC_REST_PRESENCE;
uint32_t maxAge = 0;
resPtr = findResource((OCResource *) presenceResource.handle);
{
return OC_STACK_NO_RESOURCE;
}
+
if((((OCResource *) presenceResource.handle)->resourceProperties) & OC_ACTIVE)
{
maxAge = presenceResource.presenceTTL;
- }
- else
- {
- maxAge = 0;
+
+ result = SendAllObserverNotification(method, resPtr, maxAge,
+ trigger, resourceType, OC_LOW_QOS);
}
- result = SendAllObserverNotification(method, resPtr, maxAge, resourceType, OC_LOW_QOS);
return result;
}
-#endif
-/**
- * Notify observers that an observed value has changed.
- *
- * @param handle - handle of resource
- *
- * @return
- * OC_STACK_OK - no errors
- * OC_STACK_NO_RESOURCE - invalid resource handle
- * OC_STACK_NO_OBSERVERS - no more observers intrested in resource
- */
-OCStackResult OCNotifyAllObservers(OCResourceHandle handle, OCQualityOfService qos) {
+OCStackResult SendStopNotification()
+{
+ OCResource *resPtr = NULL;
+ OCStackResult result = OC_STACK_ERROR;
+ OCMethod method = OC_REST_PRESENCE;
+ resPtr = findResource((OCResource *) presenceResource.handle);
+ if(NULL == resPtr)
+ {
+ return OC_STACK_NO_RESOURCE;
+ }
- OC_LOG(INFO, TAG, PCF("Entering OCNotifyAllObservers"));
+ // maxAge is 0. ResourceType is NULL.
+ result = SendAllObserverNotification(method, resPtr, 0, OC_PRESENCE_TRIGGER_DELETE,
+ NULL, OC_LOW_QOS);
+ return result;
+}
+
+#endif // WITH_PRESENCE
+OCStackResult OCNotifyAllObservers(OCResourceHandle handle, OCQualityOfService qos)
+{
OCResource *resPtr = NULL;
- OCStackResult result;
+ OCStackResult result = OC_STACK_ERROR;
OCMethod method = OC_REST_NOMETHOD;
uint32_t maxAge = 0;
- OC_LOG(INFO, TAG, PCF("Entering OCNotifyAllObservers"));
- #ifdef WITH_PRESENCE
+ OIC_LOG(INFO, TAG, "Notifying all observers");
+#ifdef WITH_PRESENCE
if(handle == presenceResource.handle)
{
return OC_STACK_OK;
}
- #endif // WITH_PRESENCE
+#endif // WITH_PRESENCE
VERIFY_NON_NULL(handle, ERROR, OC_STACK_ERROR);
// Verify that the resource exists
incrementSequenceNumber(resPtr);
method = OC_REST_OBSERVE;
maxAge = MAX_OBSERVE_AGE;
- #ifdef WITH_PRESENCE
- result = SendAllObserverNotification (method, resPtr, maxAge, NULL, qos);
- #else
+#ifdef WITH_PRESENCE
+ result = SendAllObserverNotification (method, resPtr, maxAge,
+ OC_PRESENCE_TRIGGER_DELETE, NULL, qos);
+#else
result = SendAllObserverNotification (method, resPtr, maxAge, qos);
- #endif
+#endif
return result;
}
}
OCNotifyListOfObservers (OCResourceHandle handle,
OCObservationId *obsIdList,
uint8_t numberOfIds,
- unsigned char *notificationJSONPayload,
+ const OCRepPayload *payload,
OCQualityOfService qos)
{
- OC_LOG(INFO, TAG, PCF("Entering OCNotifyListOfObservers"));
+ OIC_LOG(INFO, TAG, "Entering OCNotifyListOfObservers");
OCResource *resPtr = NULL;
//TODO: we should allow the server to define this
VERIFY_NON_NULL(handle, ERROR, OC_STACK_ERROR);
VERIFY_NON_NULL(obsIdList, ERROR, OC_STACK_ERROR);
- VERIFY_NON_NULL(notificationJSONPayload, ERROR, OC_STACK_ERROR);
+ VERIFY_NON_NULL(payload, ERROR, OC_STACK_ERROR);
- // Verify that the resource exists
resPtr = findResource ((OCResource *) handle);
if (NULL == resPtr || myStackMode == OC_CLIENT)
{
incrementSequenceNumber(resPtr);
}
return (SendListObserverNotification(resPtr, obsIdList, numberOfIds,
- notificationJSONPayload, maxAge, qos));
+ payload, maxAge, qos));
}
-/**
- * Send a response to a request.
- * The response can be a regular, slow, or block (i.e. a response that
- * is too large to be sent in a single PDU and must span multiple transmissions)
- *
- * @param response - pointer to structure that contains response parameters
- *
- * @return
- * OC_STACK_OK - No errors; Success
- * OC_STACK_INVALID_PARAM - Invalid pointer to OCServerResponse
- * OC_STACK_INVALID_REQUEST_HANDLE - Request handle not found
- * OC_STACK_PERSISTENT_BUFFER_REQUIRED - Block transfer needed for response, so a
- * persistent response buffer is necessary
- */
OCStackResult OCDoResponse(OCEntityHandlerResponse *ehResponse)
{
OCStackResult result = OC_STACK_ERROR;
OCServerRequest *serverRequest = NULL;
- OC_LOG(INFO, TAG, PCF("Entering OCDoResponse"));
+ OIC_LOG(INFO, TAG, "Entering OCDoResponse");
// Validate input parameters
VERIFY_NON_NULL(ehResponse, ERROR, OC_STACK_INVALID_PARAM);
VERIFY_NON_NULL(ehResponse->requestHandle, ERROR, OC_STACK_INVALID_PARAM);
- // TODO: Placeholder for creating a response entry when implementing
- // block transfer feature
-
- // If a response payload is present, check if block transfer is required
- if (ehResponse->payload && OCIsPacketTransferRequired(NULL,
- (const char *)ehResponse->payload, ehResponse->payloadSize))
+ // Normal response
+ // Get pointer to request info
+ serverRequest = GetServerRequestUsingHandle((OCServerRequest *)ehResponse->requestHandle);
+ if(serverRequest)
{
- OC_LOG(INFO, TAG, PCF("Block transfer required"));
-
- // Persistent response buffer is needed for block transfer
- if (!ehResponse->persistentBufferFlag)
- {
- OC_LOG(WARNING, TAG, PCF("Persistent response buffer required"));
- return OC_STACK_PERSISTENT_BUFFER_REQUIRED;
- }
- // TODO: Placeholder for block transfer handling
- // TODO: Placeholder for setting the the response handle in the OCServerResponse struct
- // when implementing the block transfer feature
+ // response handler in ocserverrequest.c. Usually HandleSingleResponse.
+ result = serverRequest->ehResponseHandler(ehResponse);
}
- else
- {
- // Normal response
- // Get pointer to request info
- serverRequest = GetServerRequestUsingHandle((OCServerRequest *)ehResponse->requestHandle);
- if(serverRequest)
- {
- result = serverRequest->ehResponseHandler(ehResponse);
- }
- }
return result;
}
-/**
- * Cancel a response. Applies to a block response
- *
- * @param responseHandle - response handle set by stack in OCServerResponse after
- * OCDoResponse is called
- *
- * @return
- * OC_STACK_OK - No errors; Success
- * OC_STACK_INVALID_PARAM - The handle provided is invalid.
- */
-OCStackResult OCCancelResponse(OCResponseHandle responseHandle)
+//#ifdef DIRECT_PAIRING
+const OCDPDev_t* OCDiscoverDirectPairingDevices(unsigned short waittime)
+{
+ OIC_LOG(INFO, TAG, "Start OCDiscoverDirectPairingDevices");
+ if(OC_STACK_OK != DPDeviceDiscovery(waittime))
+ {
+ OIC_LOG(ERROR, TAG, "Fail to discover Direct-Pairing device");
+ return NULL;
+ }
+
+ return (const OCDPDev_t*)DPGetDiscoveredDevices();
+}
+
+const OCDPDev_t* OCGetDirectPairedDevices()
{
- OCStackResult result = OC_STACK_NOTIMPL;
+ return (const OCDPDev_t*)DPGetPairedDevices();
+}
- OC_LOG(INFO, TAG, PCF("Entering OCCancelResponse"));
+void DirectPairingCB (OCDirectPairingDev_t * peer, OCStackResult result)
+{
+ if (gDirectpairingCallback)
+ {
+ gDirectpairingCallback((OCDPDev_t*)peer, result);
+ gDirectpairingCallback = NULL;
+ }
+}
- // TODO: validate response handle
+OCStackResult OCDoDirectPairing(OCDPDev_t* peer, OCPrm_t pmSel, char *pinNumber,
+ OCDirectPairingCB resultCallback)
+{
+ OIC_LOG(INFO, TAG, "Start OCDoDirectPairing");
+ if(NULL == peer || NULL == pinNumber)
+ {
+ OIC_LOG(ERROR, TAG, "Invalid parameters");
+ return OC_STACK_INVALID_PARAM;
+ }
+ if(NULL == resultCallback)
+ {
+ OIC_LOG(ERROR, TAG, "Invalid callback");
+ return OC_STACK_INVALID_CALLBACK;
+ }
- return result;
+ gDirectpairingCallback = resultCallback;
+ return DPDirectPairing((OCDirectPairingDev_t*)peer, (OicSecPrm_t)pmSel,
+ pinNumber, DirectPairingCB);
}
+//#endif // DIRECT_PAIRING
//-----------------------------------------------------------------------------
// Private internal function definitions
//-----------------------------------------------------------------------------
-/**
- * Generate handle of OCDoResource invocation for callback management.
- */
static OCDoHandle GenerateInvocationHandle()
{
OCDoHandle handle = NULL;
// Generate token here, it will be deleted when the transaction is deleted
- handle = (OCDoHandle) OCMalloc(sizeof(uint8_t[MAX_TOKEN_LENGTH]));
+ handle = (OCDoHandle) OICMalloc(sizeof(uint8_t[CA_MAX_TOKEN_LEN]));
if (handle)
{
- OCFillRandomMem((uint8_t*)handle, sizeof(uint8_t[MAX_TOKEN_LENGTH]));
+ OCFillRandomMem((uint8_t*)handle, sizeof(uint8_t[CA_MAX_TOKEN_LEN]));
}
return handle;
}
+
#ifdef WITH_PRESENCE
OCStackResult OCChangeResourceProperty(OCResourceProperty * inputProperty,
OCResourceProperty resourceProperties, uint8_t enable)
{
+ if (!inputProperty)
+ {
+ return OC_STACK_INVALID_PARAM;
+ }
if (resourceProperties
- > (OC_ACTIVE | OC_DISCOVERABLE | OC_OBSERVABLE | OC_SLOW)) {
- OC_LOG(ERROR, TAG, PCF("Invalid property"));
+ > (OC_ACTIVE | OC_DISCOVERABLE | OC_OBSERVABLE | OC_SLOW))
+ {
+ OIC_LOG(ERROR, TAG, "Invalid property");
return OC_STACK_INVALID_PARAM;
}
if(!enable)
}
#endif
-/**
- * Initialize resource data structures, variables, etc.
- */
-OCStackResult initResources() {
+OCStackResult initResources()
+{
OCStackResult result = OC_STACK_OK;
- // Init application resource vars
+
headResource = NULL;
+ tailResource = NULL;
// Init Virtual Resources
- #ifdef WITH_PRESENCE
- presenceResource.presenceTTL = OC_DEFAULT_PRESENCE_TTL;
- //presenceResource.token = OCGenerateCoAPToken();
+#ifdef WITH_PRESENCE
+ presenceResource.presenceTTL = OC_DEFAULT_PRESENCE_TTL_SECONDS;
+
result = OCCreateResource(&presenceResource.handle,
OC_RSRVD_RESOURCE_TYPE_PRESENCE,
"core.r",
- OC_PRESENCE_URI,
+ OC_RSRVD_PRESENCE_URI,
+ NULL,
NULL,
OC_OBSERVABLE);
//make resource inactive
result = OCChangeResourceProperty(
&(((OCResource *) presenceResource.handle)->resourceProperties),
OC_ACTIVE, 0);
- #endif
+#endif
+#ifndef WITH_ARDUINO
+ if (result == OC_STACK_OK)
+ {
+ result = SRMInitSecureResources();
+ }
+#endif
+
+ if(result == OC_STACK_OK)
+ {
+ result = OCCreateResource(&deviceResource,
+ OC_RSRVD_RESOURCE_TYPE_DEVICE,
+ OC_RSRVD_INTERFACE_DEFAULT,
+ OC_RSRVD_DEVICE_URI,
+ NULL,
+ NULL,
+ OC_DISCOVERABLE);
+ if(result == OC_STACK_OK)
+ {
+ result = BindResourceInterfaceToResource((OCResource *)deviceResource,
+ OC_RSRVD_INTERFACE_READ);
+ }
+ }
+
+ if(result == OC_STACK_OK)
+ {
+ result = OCCreateResource(&platformResource,
+ OC_RSRVD_RESOURCE_TYPE_PLATFORM,
+ OC_RSRVD_INTERFACE_DEFAULT,
+ OC_RSRVD_PLATFORM_URI,
+ NULL,
+ NULL,
+ OC_DISCOVERABLE);
+ if(result == OC_STACK_OK)
+ {
+ result = BindResourceInterfaceToResource((OCResource *)platformResource,
+ OC_RSRVD_INTERFACE_READ);
+ }
+ }
+
return result;
}
-/**
- * Add a resource to the end of the linked list of resources.
- *
- * @param resource - resource to be added
- */
-void insertResource(OCResource *resource) {
- OCResource *pointer;
-
- if (!headResource) {
+void insertResource(OCResource *resource)
+{
+ if (!headResource)
+ {
headResource = resource;
- } else {
- pointer = headResource;
-
- while (pointer->next) {
- pointer = pointer->next;
- }
- pointer->next = resource;
+ tailResource = resource;
+ }
+ else
+ {
+ tailResource->next = resource;
+ tailResource = resource;
}
resource->next = NULL;
}
-/**
- * Find a resource in the linked list of resources.
- *
- * @param resource - resource to be found
- * @return
- * NULL - resource not found
- * pointer to resource - pointer to resource that was found in the linked list
- */
-OCResource *findResource(OCResource *resource) {
+OCResource *findResource(OCResource *resource)
+{
OCResource *pointer = headResource;
- while (pointer) {
- if (pointer == resource) {
+ while (pointer)
+ {
+ if (pointer == resource)
+ {
return resource;
}
pointer = pointer->next;
void deleteAllResources()
{
OCResource *pointer = headResource;
- OCResource *temp;
+ OCResource *temp = NULL;
while (pointer)
{
temp = pointer->next;
- #ifdef WITH_PRESENCE
- if(pointer != (OCResource *) presenceResource.handle)
+#ifdef WITH_PRESENCE
+ if (pointer != (OCResource *) presenceResource.handle)
{
- #endif // WITH_PRESENCE
+#endif // WITH_PRESENCE
deleteResource(pointer);
- #ifdef WITH_PRESENCE
+#ifdef WITH_PRESENCE
}
- #endif // WITH_PRESENCE
+#endif // WITH_PRESENCE
pointer = temp;
}
- #ifdef WITH_PRESENCE
+ SRMDeInitSecureResources();
+
+#ifdef WITH_PRESENCE
// Ensure that the last resource to be deleted is the presence resource. This allows for all
// presence notification attributed to their deletion to be processed.
deleteResource((OCResource *) presenceResource.handle);
- #endif // WITH_PRESENCE
+#endif // WITH_PRESENCE
}
-/**
- * Delete the resource from the linked list.
- *
- * @param resource - resource to be deleted
- * @return
- * 0 - error
- * 1 - success
- */
-int deleteResource(OCResource *resource) {
+OCStackResult deleteResource(OCResource *resource)
+{
OCResource *prev = NULL;
- OCResource *temp;
+ OCResource *temp = NULL;
+ if(!resource)
+ {
+ OIC_LOG(DEBUG,TAG,"resource is NULL");
+ return OC_STACK_INVALID_PARAM;
+ }
+
+ OIC_LOG_V (INFO, TAG, "Deleting resource %s", resource->uri);
temp = headResource;
- while (temp) {
- if (temp == resource) {
+ while (temp)
+ {
+ if (temp == resource)
+ {
// Invalidate all Resource Properties.
resource->resourceProperties = (OCResourceProperty) 0;
- #ifdef WITH_PRESENCE
+#ifdef WITH_PRESENCE
if(resource != (OCResource *) presenceResource.handle)
{
- #endif // WITH_PRESENCE
+#endif // WITH_PRESENCE
OCNotifyAllObservers((OCResourceHandle)resource, OC_HIGH_QOS);
- #ifdef WITH_PRESENCE
+#ifdef WITH_PRESENCE
}
if(presenceResource.handle)
{
((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
- if(resource != (OCResource *) presenceResource.handle)
- {
- SendPresenceNotification(resource->rsrcType);
- }
- else
- {
- SendPresenceNotification(NULL);
- }
+ SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_DELETE);
}
- #endif
-
- if (temp == headResource) {
+#endif
+ // Only resource in list.
+ if (temp == headResource && temp == tailResource)
+ {
+ headResource = NULL;
+ tailResource = NULL;
+ }
+ // Deleting head.
+ else if (temp == headResource)
+ {
headResource = temp->next;
- } else {
+ }
+ // Deleting tail.
+ else if (temp == tailResource)
+ {
+ tailResource = prev;
+ tailResource->next = NULL;
+ }
+ else
+ {
prev->next = temp->next;
}
deleteResourceElements(temp);
- OCFree(temp);
- return 1;
- } else {
+ OICFree(temp);
+ return OC_STACK_OK;
+ }
+ else
+ {
prev = temp;
temp = temp->next;
}
}
- return 0;
+ return OC_STACK_ERROR;
}
-/**
- * Delete all of the dynamically allocated elements that were created for the resource.
- *
- * @param resource - specified resource
- */
-void deleteResourceElements(OCResource *resource) {
- if (!resource) {
+void deleteResourceElements(OCResource *resource)
+{
+ if (!resource)
+ {
return;
}
- // remove URI
- OCFree(resource->uri);
-
- // Delete resourcetype linked list
+ OICFree(resource->uri);
deleteResourceType(resource->rsrcType);
-
- // Delete resourceinterface linked list
deleteResourceInterface(resource->rsrcInterface);
}
-/**
- * Delete all of the dynamically allocated elements that were created for the resource type.
- *
- * @param resourceType - specified resource type
- */
-void deleteResourceType(OCResourceType *resourceType) {
+void deleteResourceType(OCResourceType *resourceType)
+{
OCResourceType *pointer = resourceType;
- OCResourceType *next;
+ OCResourceType *next = NULL;
- while (pointer) {
+ while (pointer)
+ {
next = pointer->next;
- OCFree(pointer->resourcetypename);
- OCFree(pointer);
+ OICFree(pointer->resourcetypename);
+ OICFree(pointer);
pointer = next;
}
}
-/**
- * Delete all of the dynamically allocated elements that were created for the resource interface.
- *
- * @param resourceInterface - specified resource interface
- */
-void deleteResourceInterface(OCResourceInterface *resourceInterface) {
+void deleteResourceInterface(OCResourceInterface *resourceInterface)
+{
OCResourceInterface *pointer = resourceInterface;
- OCResourceInterface *next;
+ OCResourceInterface *next = NULL;
- while (pointer) {
+ while (pointer)
+ {
next = pointer->next;
- OCFree(pointer->name);
- OCFree(pointer);
+ OICFree(pointer->name);
+ OICFree(pointer);
pointer = next;
}
}
-/**
- * Insert a resource type into a resource's resource type linked list.
- *
- * @param resource - resource where resource type is to be inserted
- * @param resourceType - resource type to be inserted
- */
-void insertResourceType(OCResource *resource, OCResourceType *resourceType) {
- OCResourceType *pointer;
-
- if (resource && !resource->rsrcType) {
+void insertResourceType(OCResource *resource, OCResourceType *resourceType)
+{
+ OCResourceType *pointer = NULL;
+ OCResourceType *previous = NULL;
+ if (!resource || !resourceType)
+ {
+ return;
+ }
+ // resource type list is empty.
+ else if (!resource->rsrcType)
+ {
resource->rsrcType = resourceType;
- } else {
- if(resource)
- {
- pointer = resource->rsrcType;
- }
- else
+ }
+ else
+ {
+ pointer = resource->rsrcType;
+
+ while (pointer)
{
- pointer = resourceType;
- }
- while (pointer->next) {
+ if (!strcmp(resourceType->resourcetypename, pointer->resourcetypename))
+ {
+ OIC_LOG_V(INFO, TAG, "Type %s already exists", resourceType->resourcetypename);
+ OICFree(resourceType->resourcetypename);
+ OICFree(resourceType);
+ return;
+ }
+ previous = pointer;
pointer = pointer->next;
}
- pointer->next = resourceType;
+ previous->next = resourceType;
}
resourceType->next = NULL;
+
+ OIC_LOG_V(INFO, TAG, "Added type %s to %s", resourceType->resourcetypename, resource->uri);
}
-/**
- * Get a resource type at the specified index within a resource.
- *
- * @param handle - handle of resource
- * @param index - index of resource type
- *
- * @return
- * resourcetype - if found
- * NULL - not found
- */
-OCResourceType *findResourceTypeAtIndex(OCResourceHandle handle, uint8_t index) {
- OCResource *resource;
- OCResourceType *pointer;
- uint8_t i;
+OCResourceType *findResourceTypeAtIndex(OCResourceHandle handle, uint8_t index)
+{
+ OCResource *resource = NULL;
+ OCResourceType *pointer = NULL;
// Find the specified resource
resource = findResource((OCResource *) handle);
- if (!resource) {
+ if (!resource)
+ {
return NULL;
}
// Make sure a resource has a resourcetype
- if (!resource->rsrcType) {
+ if (!resource->rsrcType)
+ {
return NULL;
}
// Iterate through the list
pointer = resource->rsrcType;
- i = 0;
- while ((i < index) && pointer) {
- i++;
+ for(uint8_t i = 0; i< index && pointer; ++i)
+ {
pointer = pointer->next;
}
return pointer;
}
-/**
- * Finds a resource type in an OCResourceType link-list.
- *
- * @param resourceTypeList - the link-list to be searched through
- * @param resourceTypeName - the key to search for
- *
- * @return
- * resourceType that matches the key (ie. resourceTypeName)
- * NULL - either an invalid parameter or this function was unable to find the key.
- */
OCResourceType *findResourceType(OCResourceType * resourceTypeList, const char * resourceTypeName)
{
if(resourceTypeList && resourceTypeName)
}
return NULL;
}
-/**
- * Insert a resource interface into a resource's resource interface linked list.
- *
- * @param resource - resource where resource interface is to be inserted
- * @param resourceInterface - resource interface to be inserted
+
+/*
+ * Insert a new interface into interface linked list only if not already present.
+ * If alredy present, 2nd arg is free'd.
+ * Default interface will always be first if present.
*/
-void insertResourceInterface(OCResource *resource,
- OCResourceInterface *resourceInterface) {
- OCResourceInterface *pointer;
+void insertResourceInterface(OCResource *resource, OCResourceInterface *newInterface)
+{
+ OCResourceInterface *pointer = NULL;
+ OCResourceInterface *previous = NULL;
- if (!resource->rsrcInterface) {
- resource->rsrcInterface = resourceInterface;
- } else {
- pointer = resource->rsrcInterface;
- while (pointer->next) {
+ newInterface->next = NULL;
+
+ OCResourceInterface **firstInterface = &(resource->rsrcInterface);
+
+ if (!*firstInterface)
+ {
+ // If first interface is not oic.if.baseline, by default add it as first interface type.
+ if (0 == strcmp(newInterface->name, OC_RSRVD_INTERFACE_DEFAULT))
+ {
+ *firstInterface = newInterface;
+ }
+ else
+ {
+ OCStackResult result = BindResourceInterfaceToResource(resource, OC_RSRVD_INTERFACE_DEFAULT);
+ if (result != OC_STACK_OK)
+ {
+ OICFree(newInterface->name);
+ OICFree(newInterface);
+ return;
+ }
+ if (*firstInterface)
+ {
+ (*firstInterface)->next = newInterface;
+ }
+ }
+ }
+ // If once add oic.if.baseline, later too below code take care of freeing memory.
+ else if (strcmp(newInterface->name, OC_RSRVD_INTERFACE_DEFAULT) == 0)
+ {
+ if (strcmp((*firstInterface)->name, OC_RSRVD_INTERFACE_DEFAULT) == 0)
+ {
+ OICFree(newInterface->name);
+ OICFree(newInterface);
+ return;
+ }
+ // This code will not hit anymore, keeping
+ else
+ {
+ newInterface->next = *firstInterface;
+ *firstInterface = newInterface;
+ }
+ }
+ else
+ {
+ pointer = *firstInterface;
+ while (pointer)
+ {
+ if (strcmp(newInterface->name, pointer->name) == 0)
+ {
+ OICFree(newInterface->name);
+ OICFree(newInterface);
+ return;
+ }
+ previous = pointer;
pointer = pointer->next;
}
- pointer->next = resourceInterface;
+ previous->next = newInterface;
}
- resourceInterface->next = NULL;
}
-/**
- * Get a resource interface at the specified index within a resource.
- *
- * @param handle - handle of resource
- * @param index - index of resource interface
- *
- * @return
- * resourceinterface - if found
- * NULL - not found
- */
OCResourceInterface *findResourceInterfaceAtIndex(OCResourceHandle handle,
- uint8_t index) {
- OCResource *resource;
- OCResourceInterface *pointer;
- uint8_t i = 0;
+ uint8_t index)
+{
+ OCResource *resource = NULL;
+ OCResourceInterface *pointer = NULL;
// Find the specified resource
resource = findResource((OCResource *) handle);
- if (!resource) {
+ if (!resource)
+ {
return NULL;
}
// Make sure a resource has a resourceinterface
- if (!resource->rsrcInterface) {
+ if (!resource->rsrcInterface)
+ {
return NULL;
}
// Iterate through the list
pointer = resource->rsrcInterface;
- while ((i < index) && pointer) {
- i++;
+ for (uint8_t i = 0; i < index && pointer; ++i)
+ {
pointer = pointer->next;
}
return pointer;
}
-/**
- * Determine if a request/response must be sent in a block transfer because it is too large to be
- * sent in a single PDU. This function can be used for either a request or a response
- *
- * @param request - NULL or pointer to request
- * @param response - NULL or pointer to response
- * @param size - 0 or size of the request/response. If 0, strlen is used for determining
- * the length of the request/response
- *
- * @return
- * 0 - packet transfer NOT required (i.e. normal request/response)
- * 1 - packet transfer required (i.e. block transfer needed)
+/*
+ * This function splits the uri using the '?' delimiter.
+ * "uriWithoutQuery" is the block of characters between the beginning
+ * till the delimiter or '\0' which ever comes first.
+ * "query" is whatever is to the right of the delimiter if present.
+ * No delimiter sets the query to NULL.
+ * If either are present, they will be malloc'ed into the params 2, 3.
+ * The first param, *uri is left untouched.
+
+ * NOTE: This function does not account for whitespace at the end of the uri NOR
+ * malformed uri's with '??'. Whitespace at the end will be assumed to be
+ * part of the query.
*/
-uint8_t OCIsPacketTransferRequired(const char *request, const char *response, uint16_t size)
+OCStackResult getQueryFromUri(const char * uri, char** query, char ** uriWithoutQuery)
{
- uint8_t result = 0;
+ if(!uri)
+ {
+ return OC_STACK_INVALID_URI;
+ }
+ if(!query || !uriWithoutQuery)
+ {
+ return OC_STACK_INVALID_PARAM;
+ }
+
+ *query = NULL;
+ *uriWithoutQuery = NULL;
+
+ size_t uriWithoutQueryLen = 0;
+ size_t queryLen = 0;
+ size_t uriLen = strlen(uri);
- // Determine if we are checking a request or a response
- if (request)
+ char *pointerToDelimiter = strstr(uri, "?");
+
+ uriWithoutQueryLen = pointerToDelimiter == NULL ? uriLen : (size_t)(pointerToDelimiter - uri);
+ queryLen = pointerToDelimiter == NULL ? 0 : uriLen - uriWithoutQueryLen - 1;
+
+ if (uriWithoutQueryLen)
{
- // If size is greater than 0, use it for the request size value, otherwise
- // assume request is null terminated and use strlen for size value
- if ((size > MAX_REQUEST_LENGTH) || (strlen(request) > MAX_REQUEST_LENGTH))
+ *uriWithoutQuery = (char *) OICCalloc(uriWithoutQueryLen + 1, 1);
+ if (!*uriWithoutQuery)
{
- result = 1;
+ goto exit;
}
+ OICStrcpy(*uriWithoutQuery, uriWithoutQueryLen +1, uri);
}
- else if (response)
+ if (queryLen)
{
- // If size is greater than 0, use it for the response size value, otherwise
- // assume response is null terminated and use strlen for size value
- if ((size > MAX_RESPONSE_LENGTH) || (strlen(response) > MAX_RESPONSE_LENGTH))
+ *query = (char *) OICCalloc(queryLen + 1, 1);
+ if (!*query)
{
- result = 1;
+ OICFree(*uriWithoutQuery);
+ *uriWithoutQuery = NULL;
+ goto exit;
}
+ OICStrcpy(*query, queryLen + 1, pointerToDelimiter + 1);
}
- return result;
+
+ return OC_STACK_OK;
+
+ exit:
+ return OC_STACK_NO_MEMORY;
}
-/**
- * Retrieves a resource type based upon a uri string if the uri string contains only just one
- * resource attribute (and that has to be of type "rt").
- *
- * @remark This API malloc's memory for the resource type and newURI. Do not malloc resourceType
- * or newURI before passing in.
- *
- * @param uri - Valid URI for "requiredUri" parameter to OCDoResource API.
- * @param resourceType - The resource type to be populated; pass by reference.
- * @param newURI - Return URI without resourceType appended to the end of it. This is used to
- * ensure that the uri parameter is not modified; pass by reference.
- *
- * @return
- * OC_STACK_INVALID_URI - Returns this if the URI is invalid/NULL.
- * OC_STACK_INVALID_PARAM - Returns this if the resourceType parameter is invalid/NULL.
- * OC_STACK_OK - Success
- */
-OCStackResult getResourceType(const char * uri, unsigned char** resourceType, char ** newURI)
+static const OicUuid_t* OCGetServerInstanceID(void)
{
- if(!uri)
+ static bool generated = false;
+ static OicUuid_t sid;
+ if (generated)
{
- return OC_STACK_INVALID_URI;
+ return &sid;
}
- if(!resourceType || !newURI)
+
+ if (OC_STACK_OK != GetDoxmDeviceID(&sid))
{
- return OC_STACK_INVALID_PARAM;
+ OIC_LOG(FATAL, TAG, "Generate UUID for Server Instance failed!");
+ return NULL;
+ }
+ generated = true;
+ return &sid;
+}
+
+const char* OCGetServerInstanceIDString(void)
+{
+ static bool generated = false;
+ static char sidStr[UUID_STRING_SIZE];
+
+ if(generated)
+ {
+ return sidStr;
}
- char * leftToken = NULL;
- char * tempURI = (char *) OCMalloc(strlen(uri) + 1);
- if(!tempURI)
+
+ const OicUuid_t *sid = OCGetServerInstanceID();
+ if(OCConvertUuidToString(sid->id, sidStr) != RAND_UUID_OK)
{
- goto exit;
+ OIC_LOG(FATAL, TAG, "Generate UUID String for Server Instance failed!");
+ return NULL;
}
- strcpy(tempURI, uri);
- char* strTokPtr;
- leftToken = strtok_r((char *)tempURI, "?", &strTokPtr);
- while(leftToken != NULL)
+ generated = true;
+ return sidStr;
+}
+
+CAResult_t OCSelectNetwork()
+{
+ CAResult_t retResult = CA_STATUS_FAILED;
+ CAResult_t caResult = CA_STATUS_OK;
+
+ CATransportAdapter_t connTypes[] = {
+ CA_ADAPTER_IP,
+ CA_ADAPTER_RFCOMM_BTEDR,
+ CA_ADAPTER_GATT_BTLE,
+ CA_ADAPTER_NFC
+#ifdef RA_ADAPTER
+ ,CA_ADAPTER_REMOTE_ACCESS
+#endif
+
+#ifdef TCP_ADAPTER
+ ,CA_ADAPTER_TCP
+#endif
+ };
+ int numConnTypes = sizeof(connTypes)/sizeof(connTypes[0]);
+
+ for(int i = 0; i<numConnTypes; i++)
{
- if(strncmp(leftToken, "rt=", 3) == 0)
+ // Ignore CA_NOT_SUPPORTED error. The CA Layer may have not compiled in the interface.
+ if(caResult == CA_STATUS_OK || caResult == CA_NOT_SUPPORTED)
{
- *resourceType = (unsigned char *) OCMalloc(strlen(leftToken)-3);
- if(!*resourceType)
- {
- goto exit;
- }
- strcpy((char *)*resourceType, ((const char *)&leftToken[3]));
- break;
+ caResult = CASelectNetwork(connTypes[i]);
+ if(caResult == CA_STATUS_OK)
+ {
+ retResult = CA_STATUS_OK;
+ }
}
- leftToken = strtok_r(NULL, "?", &strTokPtr);
}
- *newURI = tempURI;
+ if(retResult != CA_STATUS_OK)
+ {
+ return caResult; // Returns error of appropriate transport that failed fatally.
+ }
- return OC_STACK_OK;
+ return retResult;
+}
- exit:
- return OC_STACK_NO_MEMORY;
+OCStackResult CAResultToOCResult(CAResult_t caResult)
+{
+ switch (caResult)
+ {
+ case CA_STATUS_OK:
+ return OC_STACK_OK;
+ case CA_STATUS_INVALID_PARAM:
+ return OC_STACK_INVALID_PARAM;
+ case CA_ADAPTER_NOT_ENABLED:
+ return OC_STACK_ADAPTER_NOT_ENABLED;
+ case CA_SERVER_STARTED_ALREADY:
+ return OC_STACK_OK;
+ case CA_SERVER_NOT_STARTED:
+ return OC_STACK_ERROR;
+ case CA_DESTINATION_NOT_REACHABLE:
+ return OC_STACK_COMM_ERROR;
+ case CA_SOCKET_OPERATION_FAILED:
+ return OC_STACK_COMM_ERROR;
+ case CA_SEND_FAILED:
+ return OC_STACK_COMM_ERROR;
+ case CA_RECEIVE_FAILED:
+ return OC_STACK_COMM_ERROR;
+ case CA_MEMORY_ALLOC_FAILED:
+ return OC_STACK_NO_MEMORY;
+ case CA_REQUEST_TIMEOUT:
+ return OC_STACK_TIMEOUT;
+ case CA_DESTINATION_DISCONNECTED:
+ return OC_STACK_COMM_ERROR;
+ case CA_STATUS_FAILED:
+ return OC_STACK_ERROR;
+ case CA_NOT_SUPPORTED:
+ return OC_STACK_NOTIMPL;
+ default:
+ return OC_STACK_ERROR;
+ }
}