int JackNetSlaveInterface::SyncRecv()
{
SetRcvTimeOut();
int rx_bytes = 0;
packet_header_t* rx_head = reinterpret_cast<packet_header_t*>(fRxBuffer);
// receive sync (launch the cycle)
do {
rx_bytes = Recv(fParams.fMtu, 0);
// connection issue (return -1)
if (rx_bytes == SOCKET_ERROR) {
return rx_bytes;
}
}
while (strcmp(rx_head->fPacketType, "header") != 0);
if (rx_head->fDataType != 's') {
jack_error("Wrong packet type : %c", rx_head->fDataType);
// not the last packet...
fRxHeader.fIsLastPckt = 0;
return SYNC_PACKET_ERROR;
}
//PacketHeaderDisplay(rx_head);
fRxHeader.fIsLastPckt = rx_head->fIsLastPckt;
return rx_bytes;
}
int JackNetMasterInterface::SyncSend()
{
SetRcvTimeOut();
fTxHeader.fCycle++;
fTxHeader.fSubCycle = 0;
fTxHeader.fDataType = 's';
fTxHeader.fIsLastPckt = (fParams.fSendMidiChannels == 0 && fParams.fSendAudioChannels == 0) ? 1 : 0;
fTxHeader.fPacketSize = HEADER_SIZE + fTxHeader.fActivePorts * sizeof(int); // Data part is used to encode active ports
memcpy(fTxBuffer, &fTxHeader, HEADER_SIZE);
//PacketHeaderDisplay(&fTxHeader);
return Send(fTxHeader.fPacketSize, 0);
}
int JackNetMasterInterface::SyncSend()
{
SetRcvTimeOut();
fTxHeader.fCycle++;
fTxHeader.fSubCycle = 0;
fTxHeader.fDataType = 's';
fTxHeader.fIsLastPckt = (fParams.fSendMidiChannels == 0 && fParams.fSendAudioChannels == 0) ? 1 : 0;
fTxHeader.fPacketSize = fParams.fMtu;
memcpy(fTxBuffer, &fTxHeader, HEADER_SIZE);
//PacketHeaderDisplay(&fTxHeader);
return Send(fTxHeader.fPacketSize, 0);
}