private Socket Connect(IPAddress ipAddress, ConnectCommandBase connectCmd, int sendTimeout)
{
Socket socket = null;
try
{
socket = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.IP);
if (sendTimeout > 0)
{
socket.SendTimeout = sendTimeout;
}
var endpoint = new IPEndPoint(ipAddress, Sdk.IkusNet.ExternalProtocolIpCommandsPort);
socket.Connect(endpoint, TimeSpan.FromMilliseconds(1000));
if (!socket.Connected)
{
socket.Close();
return(null);
}
var sent = SendCommand(socket, connectCmd);
if (sent <= 0 || !socket.Connected)
{
socket.Close();
return(null);
}
var ackResponse = new AcknowledgeResponse(socket);
log.Debug("Connect response from codec at {0}: {1}", ipAddress, ackResponse);
var success = ackResponse.Acknowleged;
if (!success)
{
socket.Close();
return(null);
}
return(socket);
}
catch (Exception ex)
{
log.Warn(ex, "Exception when connecting to codec at {0}", ipAddress);
socket?.Close();
return(null);
}
}
private static async Task <ProdysSocket> ConnectAsync(IPAddress ipAddress, ConnectCommandBase connectCmd, int sendTimeout)
{
ProdysSocket socket = null;
try
{
socket = new ProdysSocket(ipAddress);
if (sendTimeout > 0)
{
socket.SendTimeout = sendTimeout;
}
var endpoint = new IPEndPoint(ipAddress, Sdk.IkusNet.ExternalProtocolIpCommandsPort);
await socket.ConnectAsync(endpoint, 4000); // TODO: Added a timeout here, verify that it's ok
if (!socket.Connected)
{
socket.Close();
return(null);
}
var sendBytes = connectCmd.GetBytes();
var sent = socket.Send(sendBytes);
if (sent <= 0 || !socket.Connected)
{
socket.Close();
return(null);
}
// Read response
var buffer = new byte[16];
socket.Receive(buffer);
var command = (Command)ConvertHelper.DecodeUInt(buffer, 0);
var length = (int)ConvertHelper.DecodeUInt(buffer, 4);
var receivedCommand = (Command)ConvertHelper.DecodeUInt(buffer, 8);
// TODO: Verify command, length, receivedCommand
var acknowledged = Convert.ToBoolean(ConvertHelper.DecodeUInt(buffer, 12));
log.Debug("Connect response from codec at {0}: {1}", ipAddress, acknowledged);
if (!acknowledged)
{
socket.Close();
socket.Dispose();
return(null);
}
return(socket);
}
catch (Exception ex)
{
log.Warn(ex, $"Exception when connecting to codec at {ipAddress}, {ex.GetType().FullName}");
log.Debug(ex, "Exception when using Prodys socket");
socket?.Close();
return(null);
}
}
