private void ProcessReceivedData(IPEndPoint remoteEndPoint, byte[] receivedData)
{
TAppSession appSession = AppServer.GetAppSessionByIndentityKey(remoteEndPoint.ToString());
if (appSession == null) //New session
{
if (m_LiveConnectionCount >= AppServer.Config.MaxConnectionNumber)
{
AppServer.Logger.LogError(string.Format("Cannot accept a new UDP connection from {0}, the max connection number {1} has been exceed!",
remoteEndPoint.ToString(), AppServer.Config.MaxConnectionNumber));
return;
}
var session = RegisterSession(new UdpSocketSession <TAppSession, TCommandInfo>(m_ListenSocket, remoteEndPoint, Protocol.CreateCommandReader(AppServer)));
if (session == null)
{
return;
}
Interlocked.Increment(ref m_LiveConnectionCount);
session.Closed += new EventHandler <SocketSessionClosedEventArgs>(session_Closed);
session.Start();
Async.Run(() => session.ProcessData(receivedData), (x) => AppServer.Logger.LogError(x));
}
else //Existing session
{
var session = appSession.SocketSession as UdpSocketSession <TAppSession, TCommandInfo>;
Async.Run(() => session.ProcessData(receivedData), (x) => AppServer.Logger.LogError(x));
}
}
private void ProcessReceivedDataWithSessionKey(IPEndPoint remoteEndPoint, byte[] receivedData)
{
TCommandInfo commandInfo;
string sessionKey;
try
{
int left;
commandInfo = m_UdpCommandInfoReader.FindCommandInfo(null, receivedData, 0, receivedData.Length, false, out left);
var udpCommandInfo = commandInfo as UdpCommandInfo;
if (left > 0)
{
AppServer.Logger.LogError("The output parameter left must be zero in this case!");
return;
}
if (udpCommandInfo == null)
{
AppServer.Logger.LogError("Invalid UDP package format!");
return;
}
if (string.IsNullOrEmpty(udpCommandInfo.SessionKey))
{
AppServer.Logger.LogError("Failed to get session key from UDP package!");
return;
}
sessionKey = udpCommandInfo.SessionKey;
}
catch (Exception exc)
{
AppServer.Logger.LogError("Failed to parse UDP package!", exc);
return;
}
TAppSession appSession = AppServer.GetAppSessionByIndentityKey(sessionKey);
if (appSession == null)
{
var socketSession = RegisterSession(new UdpSocketSession <TAppSession, TCommandInfo>(m_ListenSocket, remoteEndPoint, sessionKey));
if (socketSession == null)
{
return;
}
appSession = socketSession.AppSession;
Interlocked.Increment(ref m_LiveConnectionCount);
socketSession.Closed += new EventHandler <SocketSessionClosedEventArgs>(session_Closed);
socketSession.Start();
}
else
{
var socketSession = appSession.SocketSession as UdpSocketSession <TAppSession, TCommandInfo>;
//Client remote endpoint may change, so update session to ensure the server can find client correctly
socketSession.UpdateRemoteEndPoint(remoteEndPoint);
}
Async.Run(() => appSession.ExecuteCommand(appSession, commandInfo));
}
