public Server(int port)
{
Contract.Requires(0 < port && port < 65536);
tcpServer = new TcpServer(port);
tcpServer.SocketConnected += SocketConnected;
tcpServer.DataReceived += DataReceived;
tcpServer.SocketDisconnected += SocketDisconnected;
}
void DataReceived(object sender, TcpServer.DataReceivedEventArgs e)
{
Console.WriteLine("Data received!");
try
{
// Converting received data to xml
var xml = ASCIIEncoding.UTF8.GetString(e.Data, 0, e.Data.Length);
Console.WriteLine("Data received from {0}: {1}", e.IPEndPoint, xml);
XElement xmlElement = XElement.Parse(xml);
Console.WriteLine("Xml data: " + xmlElement);
// TODO: we're not dealing with splitted message. fix this later
// Creating message from xml string
Message message = messageConverter.ConvertFromXml(xmlElement);
long currentMessageId = message.Id;
Command command = message.Command;
switch(command.CommandType)
{
case CommandType.Ack:
// Server can't get this command
break;
case CommandType.Login:
HandleLoginMessage(currentMessageId, (LoginCommand)command, e.IPEndPoint);
break;
case CommandType.UserState:
HandleUserStateCommand(currentMessageId, (UserStateCommand)command);
break;
case CommandType.TextMessage:
HandleTextMessageCommand(currentMessageId, (TextMessageCommand)command);
break;
default:
Debug.Assert(false, "Unknown command type: " + command.CommandType);
break;
}
//tcpServer.SendData(e.Data, e.IPEndPoint);
//Это может быть регистрационное сообщение
//var userName = doc.Descendants("userName").SingleOrDefault();
}
catch (Exception ex)
{
Console.WriteLine("Error processing data. {0}", ex);
}
}
void SocketDisconnected(object sender, TcpServer.SocketEndPointEventArgs e)
{
Console.WriteLine("Socket disconnected from: " + e.IPEndPoint);
using (usersSync.UseUpgradeableLock())
{
// Finding appropriate user
var userInfo = users.SingleOrDefault(ui => ui.EndPoint == e.IPEndPoint);
if (userInfo == null)
{
Console.WriteLine("Unknown user disconnected!!");
return;
}
// Changing it state
using (usersSync.UseWriteLock())
{
userInfo.OnDisconnect();
}
// And sending this information to al users
SendUpdatedUserState(userInfo);
}
}
void SocketConnected(object sender, TcpServer.SocketEndPointEventArgs e)
{
Console.WriteLine("Socket connected from: {0}", e.IPEndPoint);
}
