eARNETWORK_ERROR ARNETWORK_Receiver_ReturnACK (ARNETWORK_Receiver_t *receiverPtr, int id, uint8_t seq)
{
/** -- return an acknowledgement -- */
/** local declarations */
eARNETWORK_ERROR error = ARNETWORK_OK;
ARNETWORK_IOBuffer_t* ACKIOBufferPtr = receiverPtr->outputBufferPtrMap[ARNETWORK_Manager_IDOutputToIDAck (receiverPtr->networkALManager, id)];
if (ACKIOBufferPtr != NULL)
{
int isEmpty = ARNETWORK_RingBuffer_IsEmpty(ACKIOBufferPtr->dataDescriptorRBuffer);
error = ARNETWORK_IOBuffer_AddData (ACKIOBufferPtr, (uint8_t*) &seq, sizeof(seq), NULL, NULL, 1);
if (error == ARNETWORK_OK && isEmpty > 0)
{
ARNETWORK_Sender_SignalNewData (receiverPtr->senderPtr);
}
}
return error;
}
eARNETWORK_ERROR ARNETWORK_Sender_AckReceived (ARNETWORK_Sender_t *senderPtr, int identifier, uint8_t seqNumber)
{
/** -- Receive an acknowledgment fo a data -- */
/** local declarations */
ARNETWORK_IOBuffer_t *inputBufferPtr = NULL;
eARNETWORK_ERROR error = ARNETWORK_OK;
inputBufferPtr = senderPtr->inputBufferPtrMap[identifier];
if (inputBufferPtr != NULL)
{
/** lock the IOBuffer */
error = ARNETWORK_IOBuffer_Lock (inputBufferPtr);
if (error == ARNETWORK_OK)
{
/**
* Transmit the acknowledgment to the input buffer.
* if the acknowledgment is suiarray the waiting data is popped
*/
error = ARNETWORK_IOBuffer_AckReceived (inputBufferPtr, seqNumber);
/** unlock the IOBuffer */
ARNETWORK_IOBuffer_Unlock (inputBufferPtr);
/* Wake up the send thread to update the wait time of buffers */
ARNETWORK_Sender_SignalNewData (senderPtr);
}
}
else
{
error = ARNETWORK_ERROR_ID_UNKNOWN;
}
return error;
}
