/**
* This internal method handles RD discovery request.
* Responds with the RD discovery payload message.
*/
static OCEntityHandlerResult handleGetRequest(const OCEntityHandlerRequest *ehRequest)
{
if (!ehRequest)
{
OIC_LOG(DEBUG, TAG, "Invalid request pointer.");
return OC_EH_ERROR;
}
OCEntityHandlerResult ehResult = OC_EH_OK;
OIC_LOG_V(DEBUG, TAG, "Received OC_REST_GET from client with query: %s.", ehRequest->query);
OCRDPayload *rdPayload = OCRDPayloadCreate();
if (!rdPayload)
{
return OC_STACK_NO_MEMORY;
}
rdPayload->rdDiscovery = OCRDDiscoveryPayloadCreate(NULL, OCGetServerInstanceIDString(), OC_RD_DISC_SEL);
if (!rdPayload->rdDiscovery)
{
OCRDPayloadDestroy(rdPayload);
return OC_STACK_NO_MEMORY;
}
OIC_LOG_PAYLOAD(DEBUG, (OCPayload *) rdPayload);
if (sendResponse(ehRequest, rdPayload) != OC_STACK_OK)
{
OIC_LOG(ERROR, TAG, "Sending response failed.");
ehResult = OC_EH_ERROR;
}
return ehResult;
}
OCStackResult OCRDCborToPayload(const CborValue *cborPayload, OCPayload **outPayload)
{
CborValue *rdCBORPayload = (CborValue *)cborPayload;
CborError cborFindResult;
OCRDPayload *rdPayload = OCRDPayloadCreate();
if (!rdPayload)
{
goto no_memory;
}
if (cbor_value_is_array(rdCBORPayload))
{
OCLinksPayload *linksPayload = NULL;
OCTagsPayload *tagsPayload = NULL;
while (cbor_value_is_container(rdCBORPayload))
{
// enter tags map
CborValue tags;
cborFindResult = cbor_value_enter_container(rdCBORPayload, &tags);
if (cborFindResult != CborNoError)
{
goto cbor_error;
}
if (OC_STACK_OK != OCTagsCborToPayload(&tags, &tagsPayload))
{
OCFreeTagsResource(tagsPayload);
goto cbor_error;
}
OCTagsLog(DEBUG, tagsPayload);
if (OC_STACK_OK != OCLinksCborToPayload(&tags, &linksPayload))
{
OCFreeLinksResource(linksPayload);
OCFreeTagsResource(tagsPayload);
goto cbor_error;
}
OCLinksLog(DEBUG, linksPayload);
// Move from tags payload to links array.
if (CborNoError != cbor_value_advance(rdCBORPayload))
{
OC_LOG(DEBUG, TAG, "Failed advancing from tags payload to links.");
OCFreeLinksResource(linksPayload);
OCFreeTagsResource(tagsPayload);
goto cbor_error;
}
}
rdPayload->rdPublish = OCCopyCollectionResource(tagsPayload, linksPayload);
if (!rdPayload->rdPublish)
{
goto cbor_error;
}
}
else if (cbor_value_is_map(rdCBORPayload))
{
char *name = NULL;
if (CborNoError != FindStringInMap(rdCBORPayload, OC_RSRVD_DEVICE_NAME, &name))
{
goto cbor_error;
}
char *id = NULL;
if (CborNoError != FindStringInMap(rdCBORPayload, OC_RSRVD_DEVICE_ID, &id))
{
goto cbor_error;
}
uint64_t biasFactor = 0;
if (CborNoError != FindIntInMap(rdCBORPayload, OC_RSRVD_RD_DISCOVERY_SEL, &biasFactor))
{
goto cbor_error;
}
rdPayload->rdDiscovery = OCRDDiscoveryPayloadCreate(name, id, (uint8_t)biasFactor);
if (!rdPayload->rdDiscovery)
{
goto no_memory;
}
OICFree(id);
OICFree(name);
cborFindResult = cbor_value_advance(rdCBORPayload);
if (CborNoError != cborFindResult)
{
goto cbor_error;
}
}
OC_LOG_PAYLOAD(DEBUG, (OCPayload *) rdPayload);
*outPayload = (OCPayload *)rdPayload;
return OC_STACK_OK;
no_memory:
OC_LOG(ERROR, TAG, "Failed allocating memory.");
OCRDPayloadDestroy(rdPayload);
return OC_STACK_NO_MEMORY;
cbor_error:
OCRDPayloadDestroy(rdPayload);
return OC_STACK_ERROR;
}
