public void ConnectionEnded(POITCPConnection connection)
{
POIUser user = connection.AssociatedUser;
if (user != null)
{
if (connection.Type == POIMsgParser.ParserType.Control)
{
Console.WriteLine("Connection ended by user!");
//Reset the user status
user.Status = POIUser.ConnectionStatus.Disconnected;
//Notify the kernel
//POIGlobalVar.SystemKernel.Handle_UserLeave(new POIUserEventArgs(user, new Point(0, 0)));
POIGlobalVar.SystemKernel.HandleUserLeave(user);
}
else if (connection.Type == POIMsgParser.ParserType.Data)
{
//To do: end the data connection
}
}
else //User does not exists
{
Console.WriteLine(@"Error: no user existed!");
}
}
//Initialize the client
public void helloMsgReceived(POIHelloMsg par, POITCPConnection connection)
{
//Notify data handler that authentication has been done
//Proper CB functions are set here
int userType = (int)par.UserType;
int conType = (int)par.ConnType;
string userName = par.UserName;
//Handle the authentication
POIWelcomeMsg.WelcomeStatus status = POIWelcomeMsg.WelcomeStatus.Failed;
if (conType == POIMsgDefinition.POI_CONTROL_CHANNEL)
{
//Check if user already exists, create if not exists
POIUser user;
if (POIGlobalVar.UserProfiles.ContainsKey(userName))
{
user = POIGlobalVar.UserProfiles[userName];
}
else
{
user = new POIUser();
POIGlobalVar.UserProfiles[userName] = user;
}
//Initialize the user parameters
user.UserID = userName;
user.UserPrivilege = (POIUser.Privilege)userType;
user.CtrlChannel = connection;
if (user.Status == POIUser.ConnectionStatus.Disconnected)
{
user.Status = POIUser.ConnectionStatus.Connected;
}
connection.Type = POIMsgParser.ParserType.Control;
connection.Delegates = user;
connection.AssociatedUser = user;
try
{
POIGlobalVar.SystemKernel.HandleUserJoin(user);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
status = POIWelcomeMsg.WelcomeStatus.CtrlChannelAuthenticated;
}
else if (conType == POIMsgDefinition.POI_DATA_CHANNEL)
{
if (POIGlobalVar.UserProfiles.ContainsKey(userName))
{
POIUser user = POIGlobalVar.UserProfiles[userName];
if (user.Status == POIUser.ConnectionStatus.Connected)
{
user.DataChannel = connection;
connection.InitPayloadBufferForDataChannel();
connection.Type = POIMsgParser.ParserType.Data;
connection.Delegates = user;
connection.AssociatedUser = user;
status = POIWelcomeMsg.WelcomeStatus.DataChannelAuthenticated;
}
}
}
//Send back the welcome message
POIWelcomeMsg welcomeMsg = new POIWelcomeMsg(status);
connection.SendData(welcomeMsg.getPacket());
}
private void SocketAcceptCompleted(object sender, SocketAsyncEventArgs e)
{
Console.WriteLine(@"Accepting");
//Start authenticating the new connection
POITCPConnection connection = new POITCPConnection(e.AcceptSocket);
connection.initClientMsgDelegate = this;
connection.connectionCBDelegate = this;
connection.StartReceiving();
//If there is still room for new clients, start another round of accepting.
if (POIGlobalVar.UserProfiles.Count <= maxClientCount)
{
try
{
StartAcceptNewClient();
}
catch (Exception error)
{
Console.WriteLine(error.Message);
}
}
}
