void ProcessPackageWithoutSessionID(Socket listenSocket, IPEndPoint remoteEndPoint, byte[] receivedData)
{
var sessionID = remoteEndPoint.ToString();
var appSession = AppServer.GetAppSessionByID(sessionID);
if (appSession == null) //New session
{
if (!DetectConnectionNumber(remoteEndPoint))
{
return;
}
var socketSession = new UdpSocketSession(listenSocket, remoteEndPoint, sessionID);
appSession = AppServer.CreateAppSession(socketSession);
if (appSession == null)
{
return;
}
socketSession.Initialize(appSession);
Interlocked.Increment(ref m_ConnectionCount);
socketSession.Closed += OnSocketSessionClosed;
socketSession.Start();
appSession.ProcessRequest(receivedData, 0, receivedData.Length, false);
}
else //Existing session
{
appSession.ProcessRequest(receivedData, 0, receivedData.Length, false);
}
}
protected UdpSocketSession <TAppSession, TCommandInfo> RegisterSession(UdpSocketSession <TAppSession, TCommandInfo> socketSession)
{
TAppSession appSession = this.AppServer.CreateAppSession(socketSession);
if (appSession == null)
{
return(null);
}
socketSession.Initialize(this.AppServer, appSession);
return(socketSession);
}
void ProcessPackageWithSessionID(Socket listenSocket, IPEndPoint remoteEndPoint, byte[] receivedData)
{
TRequestInfo requestInfo;
string sessionID;
int left;
try
{
requestInfo = this.m_UdpRequestFilter.Filter(null, receivedData, 0, receivedData.Length, false, out left);
}
catch (Exception exc)
{
if (AppServer.Logger.IsErrorEnabled)
{
AppServer.Logger.Error("Failed to parse UDP package!", exc);
}
return;
}
var udpRequestInfo = requestInfo as UdpRequestInfo;
if (left > 0)
{
if (AppServer.Logger.IsErrorEnabled)
{
AppServer.Logger.Error("The output parameter left must be zero in this case!");
}
return;
}
if (udpRequestInfo == null)
{
if (AppServer.Logger.IsErrorEnabled)
{
AppServer.Logger.Error("Invalid UDP package format!");
}
return;
}
if (string.IsNullOrEmpty(udpRequestInfo.SessionID))
{
if (AppServer.Logger.IsErrorEnabled)
{
AppServer.Logger.Error("Failed to get session key from UDP package!");
}
return;
}
sessionID = udpRequestInfo.SessionID;
var appSession = AppServer.GetAppSessionByID(sessionID);
if (appSession == null)
{
if (!DetectConnectionNumber(remoteEndPoint))
{
return;
}
var socketSession = new UdpSocketSession(listenSocket, remoteEndPoint, sessionID);
appSession = AppServer.CreateAppSession(socketSession);
if (appSession == null)
{
return;
}
socketSession.Initialize(appSession);
Interlocked.Increment(ref m_ConnectionCount);
socketSession.Closed += OnSocketSessionClosed;
socketSession.Start();
}
else
{
var socketSession = appSession.SocketSession as UdpSocketSession;
//Client remote endpoint may change, so update session to ensure the server can find client correctly
socketSession.UpdateRemoteEndPoint(remoteEndPoint);
}
m_RequestHandler.ExecuteCommand(appSession, requestInfo);
}