public void ServerThread(object obj)
{
var clientId = 0;
lock (_graphics)
{
clientId = nextClientId++;
}
try
{
using (TcpClient client = (TcpClient)obj)
{
StreamReader reader = new StreamReader(client.GetStream(), Encoding.UTF8);
bool lostConnection = false;
while (client.Connected && !lostConnection)
{
if (client.Client.Poll(100 * 1000, SelectMode.SelectRead))
{
// poll returned true, we either have some data or the connection was closed by the client
String line;
do
{
// the connection should block here if the client is still alive
line = reader.ReadLine();
if (line == null)
{
//
Logger.LogMessage(String.Format("client {0} disconnected..", clientId));
lostConnection = true;
break; // client disconnected
}
if (!String.IsNullOrWhiteSpace(line))
{
// try and deserialize the buffer.
Logger.LogMessage("got message..");
Graphic request = JsonConvert.DeserializeObject <Graphic>(line);
ProcessCommand(request, client);
SendGraphic(request, clientId);
Logger.LogMessage("sent graphic..");
}
} while (line != null);
}
}
}
}
catch (Exception err)
{
// maybe log stuff here..
Logger.LogMessage(String.Format("Exception: {0}", err));
Interlocked.Increment(ref this.messageErrorCount);
return;
}
finally
{
lock (_graphics)
{
// lost connection, remove this connection's graphics
foreach (var gid in _graphics.Keys.ToArray())
{
InternalGraphic g = _graphics[gid];
if (g.ClientId == clientId)
{
_graphics.Remove(gid);
}
}
}
}
}
