static void shadow_delta_callback(AWS_IoT_Client *pClient, char *topicName,
uint16_t topicNameLen, IoT_Publish_Message_Params *params, void *pData) {
int32_t tokenCount;
uint32_t i = 0;
void *pJsonHandler = NULL;
int32_t DataPosition;
uint32_t dataLength;
uint32_t tempVersionNumber = 0;
FUNC_ENTRY;
IOT_UNUSED(pClient);
IOT_UNUSED(topicName);
IOT_UNUSED(topicNameLen);
IOT_UNUSED(pData);
if(params->payloadLen > SHADOW_MAX_SIZE_OF_RX_BUFFER) {
IOT_WARN("Payload larger than RX Buffer");
return;
}
memcpy(shadowRxBuf, params->payload, params->payloadLen);
shadowRxBuf[params->payloadLen] = '\0'; // jsmn_parse relies on a string
if(!isJsonValidAndParse(shadowRxBuf, pJsonHandler, &tokenCount)) {
IOT_WARN("Received JSON is not valid");
return;
}
if(shadowDiscardOldDeltaFlag) {
if(extractVersionNumber(shadowRxBuf, pJsonHandler, tokenCount, &tempVersionNumber)) {
if(tempVersionNumber > shadowJsonVersionNum) {
shadowJsonVersionNum = tempVersionNumber;
} else {
IOT_WARN("Old Delta Message received - Ignoring rx: %d local: %d", tempVersionNumber,
shadowJsonVersionNum);
return;
}
}
}
for(i = 0; i < tokenTableIndex; i++) {
if(!tokenTable[i].isFree) {
if(isJsonKeyMatchingAndUpdateValue(shadowRxBuf, pJsonHandler, tokenCount,
(jsonStruct_t *) tokenTable[i].pStruct, &dataLength, &DataPosition)) {
if(tokenTable[i].callback != NULL) {
tokenTable[i].callback(shadowRxBuf + DataPosition, dataLength,
(jsonStruct_t *) tokenTable[i].pStruct);
}
}
}
}
}
static int shadow_delta_callback(MQTTCallbackParams params) {
int32_t tokenCount;
uint32_t i = 0;
void *pJsonHandler;
int32_t DataPosition;
uint32_t dataLength;
if (params.MessageParams.PayloadLen > SHADOW_MAX_SIZE_OF_RX_BUFFER) {
return GENERIC_ERROR;
}
memcpy(shadowRxBuf, params.MessageParams.pPayload, params.MessageParams.PayloadLen);
shadowRxBuf[params.MessageParams.PayloadLen] = '\0'; // jsmn_parse relies on a string
if (!isJsonValidAndParse(shadowRxBuf, pJsonHandler, &tokenCount)) {
WARN("Received JSON is not valid");
return GENERIC_ERROR;
}
if (shadowDiscardOldDeltaFlag) {
uint32_t tempVersionNumber = 0;
if (extractVersionNumber(shadowRxBuf, pJsonHandler, tokenCount, &tempVersionNumber)) {
if (tempVersionNumber > shadowJsonVersionNum) {
shadowJsonVersionNum = tempVersionNumber;
DEBUG("New Version number: %d", shadowJsonVersionNum);
} else {
WARN("Old Delta Message received - Ignoring rx: %d local: %d", tempVersionNumber, shadowJsonVersionNum);
return GENERIC_ERROR;
}
}
}
for (i = 0; i < tokenTableIndex; i++) {
if (!tokenTable[i].isFree) {
if (isJsonKeyMatchingAndUpdateValue(shadowRxBuf, pJsonHandler, tokenCount, tokenTable[i].pStruct,
&dataLength, &DataPosition)) {
if (tokenTable[i].callback != NULL) {
tokenTable[i].callback(shadowRxBuf + DataPosition, dataLength, tokenTable[i].pStruct);
}
}
}
}
return NONE_ERROR;
}
