static void AckStatusCallback(AWS_IoT_Client *pClient, char *topicName, uint16_t topicNameLen,
IoT_Publish_Message_Params *params, void *pData) {
int32_t tokenCount;
uint8_t i;
void *pJsonHandler = NULL;
char temporaryClientToken[MAX_SIZE_CLIENT_TOKEN_CLIENT_SEQUENCE];
IOT_UNUSED(pClient);
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(isAckForMyThingName(topicName)) {
uint32_t tempVersionNumber = 0;
if(extractVersionNumber(shadowRxBuf, pJsonHandler, tokenCount, &tempVersionNumber)) {
if(tempVersionNumber > shadowJsonVersionNum) {
shadowJsonVersionNum = tempVersionNumber;
}
}
}
if(extractClientToken(shadowRxBuf, temporaryClientToken)) {
for(i = 0; i < MAX_ACKS_TO_COMEIN_AT_ANY_GIVEN_TIME; i++) {
if(!AckWaitList[i].isFree) {
if(strcmp(AckWaitList[i].clientTokenID, temporaryClientToken) == 0) {
Shadow_Ack_Status_t status;
if(strstr(topicName, "accepted") != NULL) {
status = SHADOW_ACK_ACCEPTED;
} else if(strstr(topicName, "rejected") != NULL) {
status = SHADOW_ACK_REJECTED;
} else {
continue;
}
/* status == SHADOW_ACK_ACCEPTED || status == SHADOW_ACK_REJECTED */
if(AckWaitList[i].callback != NULL) {
AckWaitList[i].callback(AckWaitList[i].thingName, AckWaitList[i].action, status,
shadowRxBuf, AckWaitList[i].pCallbackContext);
}
unsubscribeFromAcceptedAndRejected(i);
AckWaitList[i].isFree = true;
return;
}
}
}
}
}
static int AckStatusCallback(MQTTCallbackParams params) {
int32_t tokenCount;
int32_t i;
void *pJsonHandler;
char temporaryClientToken[MAX_SIZE_CLIENT_TOKEN_CLIENT_SEQUENCE];
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 (isAckForMyThingName(params.pTopicName)) {
uint32_t tempVersionNumber = 0;
if (extractVersionNumber(shadowRxBuf, pJsonHandler, tokenCount, &tempVersionNumber)) {
if (tempVersionNumber > shadowJsonVersionNum) {
shadowJsonVersionNum = tempVersionNumber;
}
}
}
if (extractClientToken(shadowRxBuf, temporaryClientToken)) {
for (i = 0; i < MAX_ACKS_TO_COMEIN_AT_ANY_GIVEN_TIME; i++) {
if (!AckWaitList[i].isFree) {
if (strcmp(AckWaitList[i].clientTokenID, temporaryClientToken) == 0) {
Shadow_Ack_Status_t status;
if (strstr(params.pTopicName, "accepted") != NULL) {
status = SHADOW_ACK_ACCEPTED;
} else if (strstr(params.pTopicName, "rejected") != NULL) {
status = SHADOW_ACK_REJECTED;
}
if (status == SHADOW_ACK_ACCEPTED || status == SHADOW_ACK_REJECTED) {
if (AckWaitList[i].callback != NULL) {
AckWaitList[i].callback(AckWaitList[i].thingName, AckWaitList[i].action, status,
shadowRxBuf, AckWaitList[i].pCallbackContext);
}
unsubscribeFromAcceptedAndRejected(i);
AckWaitList[i].isFree = true;
return NONE_ERROR;
}
}
}
}
}
return GENERIC_ERROR;
}
IoT_Error_t iot_shadow_action(const char *pThingName, ShadowActions_t action,
const char *pJsonDocumentToBeSent, fpActionCallback_t callback, void *pCallbackContext,
uint32_t timeout_seconds, bool isSticky) {
IoT_Error_t ret_val = SUCCESS;
bool isCallbackPresent = false;
bool isClientTokenPresent = false;
bool isAckWaitListFree = false;
uint8_t indexAckWaitList;
if(pThingName == NULL || pJsonDocumentToBeSent == NULL){
return NULL_VALUE_ERROR;
}
if (callback != NULL) {
isCallbackPresent = true;
}
char extractedClientToken[MAX_SIZE_CLIENT_ID_WITH_SEQUENCE];
isClientTokenPresent = extractClientToken(pJsonDocumentToBeSent, extractedClientToken);
if (isClientTokenPresent && isCallbackPresent) {
if (getNextFreeIndexOfAckWaitList(&indexAckWaitList)) {
isAckWaitListFree = true;
}
if(isAckWaitListFree) {
if (!isSubscriptionPresent(pThingName, action)) {
ret_val = subscribeToShadowActionAcks(pThingName, action, isSticky);
} else {
incrementSubscriptionCnt(pThingName, action, isSticky);
}
}
else {
ret_val = FAILURE;
}
}
if (ret_val == SUCCESS) {
ret_val = publishToShadowAction(pThingName, action, pJsonDocumentToBeSent);
}
if (isClientTokenPresent && isCallbackPresent && ret_val == SUCCESS && isAckWaitListFree) {
addToAckWaitList(indexAckWaitList, pThingName, action, extractedClientToken, callback, pCallbackContext,
timeout_seconds);
}
return ret_val;
}
IoT_Error_t aws_iot_shadow_internal_action(const char *pThingName, ShadowActions_t action,
const char *pJsonDocumentToBeSent, fpActionCallback_t callback,
void *pCallbackContext, uint32_t timeout_seconds, bool isSticky) {
IoT_Error_t ret_val = AWS_SUCCESS;
bool isClientTokenPresent = false;
bool isAckWaitListFree = false;
uint8_t indexAckWaitList;
char extractedClientToken[MAX_SIZE_CLIENT_ID_WITH_SEQUENCE];
FUNC_ENTRY;
if(NULL == pThingName || NULL == pJsonDocumentToBeSent) {
FUNC_EXIT_RC(NULL_VALUE_ERROR);
}
isClientTokenPresent = extractClientToken(pJsonDocumentToBeSent, extractedClientToken);
if(isClientTokenPresent && (NULL != callback)) {
if(getNextFreeIndexOfAckWaitList(&indexAckWaitList)) {
isAckWaitListFree = true;
}
if(isAckWaitListFree) {
if(!isSubscriptionPresent(pThingName, action)) {
ret_val = subscribeToShadowActionAcks(pThingName, action, isSticky);
} else {
incrementSubscriptionCnt(pThingName, action, isSticky);
}
}
else {
ret_val = AWS_FAILURE;
}
}
if(AWS_SUCCESS == ret_val) {
ret_val = publishToShadowAction(pThingName, action, pJsonDocumentToBeSent);
}
if(isClientTokenPresent && (NULL != callback) && (AWS_SUCCESS == ret_val) && isAckWaitListFree) {
addToAckWaitList(indexAckWaitList, pThingName, action, extractedClientToken, callback, pCallbackContext,
timeout_seconds);
}
FUNC_EXIT_RC(ret_val);
}
