public NetworkConnection(IClient client, Notifier notifier, HandshakeFunc handshake,
Message.GetEntryTypeFunc getEntryType)
{
Uid = (uint)Interlocked.Increment(ref s_uid) - 1;
m_client = client;
m_stream = client.GetStream();
m_notifier = notifier;
m_handshake = handshake;
m_getEntryType = getEntryType;
Active = false;
ProtoRev = 0x0300;
m_state = State.Created;
LastUpdate = 0;
IPEndPoint ipEp = m_client.RemoteEndPoint as IPEndPoint;
if (ipEp != null)
{
PeerIP = ipEp.Address.ToString();
PeerPort = ipEp.Port;
}
else
{
PeerIP = "";
PeerPort = 0;
}
// turns of Nagle, as we bundle packets ourselves
m_client.NoDelay = true;
}
public Task WaitForConnectionsAsync(Action <IModbusSession> onAcceptAction,
HandshakeFunc <DefaultHandshake> handshakeFunc, bool supportForwardProtocol = false)
{
return(Task.Run(async() =>
{
var listner = _tcpListener;
if (listner == null || onAcceptAction == null || handshakeFunc == null)
{
return;
}
listner.Start();
while (true)
{
var tcpClient = await listner.AcceptTcpClientAsync();
if (supportForwardProtocol)
{
var modbusSession = ModbusSessionFactory.CreateFwdSession(tcpClient);
var handshake = handshakeFunc.Invoke(modbusSession);
if (handshake != null)
{
onAcceptAction.Invoke(modbusSession);
}
else
{
modbusSession.Dispose();
}
}
else
{
var modbusSession = ModbusSessionFactory.CreateTcpSession(tcpClient);
var handshake = handshakeFunc.Invoke(modbusSession);
if (handshake != null)
{
((ModbusTcpSession)modbusSession).SetSlaveAddress(handshake.SlaveAddress);
onAcceptAction.Invoke(modbusSession);
}
else
{
modbusSession.Dispose();
}
}
}
}));
}
