public ClassCommandInfo(int uidx, ClassUsers userItem)
{
ThisUser = userItem;
userIdx = uidx;
ThisUser.Reset();
}
/*============================================================================================
* This is the heart of the server and it kicks
* off client threads as they connect
*
*============================================================================================*/
public void ChatServerThread()
{
serverRunning = true;
IPAddress localAddr = IPAddress.Parse(localIP);
serverSocket = new TcpListener(localAddr, localPort);
TcpClient clientSocket = default;
long counter = 0;
serverSocket.Start();
mw.Display("ChatServer Started ....", 5);
while (keepRunning)
{
counter += 1;
string dataFromClient = null;
byte[] bytesFrom = null;
try
{
// wait for a connection
clientSocket = serverSocket.AcceptTcpClient();
bytesFrom = new byte[1024];
NetworkStream networkStream = clientSocket.GetStream();
networkStream.Read(bytesFrom, 0, bytesFrom.Length);
}
catch (Exception ex)
{
if (keepRunning)
{
mw.Display("Socket read error: " + ex.Message, 1);
}
else
{
mw.Display("Closing ServerSocket", 5);
}
}
if (bytesFrom != null)
{
// convert to a string and clean it up
dataFromClient = System.Text.Encoding.ASCII.GetString(bytesFrom);
dataFromClient = dataFromClient.Replace("\0", string.Empty).Trim();
}
string msg = string.Empty;
string welcomeMsg;
string guestName = "GUEST" + counter.ToString();
if (dataFromClient != null)
{
if (RequireHello == false && (dataFromClient.Length < 8 || dataFromClient.Substring(0, 7).Equals("[HELLO:") == false))
{
// If HELLO is not required
msg = dataFromClient; // we're going pass what came in to the client thread
// create a guest HELLO string
dataFromClient = string.Format("[HELLO:{0}|{0}|_UNK_|_UNK_]", guestName);
}
if (clientSocket != null)
{
mw.Display(dataFromClient, 8);
if (dataFromClient.Length > 7 && dataFromClient.Substring(0, 7).Equals("[HELLO:"))
{
// break out the HELLO message
dataFromClient = dataFromClient.Replace("[HELLO:", "").Replace("]", "").Trim();
string[] data = dataFromClient.Split('|');
string guid = counter.ToString("D9");
if (data.Length > 3)
{
// Remote IP address
string ipaddr = ((IPEndPoint)clientSocket.Client.RemoteEndPoint).Address.ToString();
// Set up a guest account - GUID Name Nick IP Computer Name
ClassUsers c = new ClassUsers(guid, guestName, guestName, ipaddr, data[3].Trim());
// If client sent a HELLO, try to log in using the transmitted user/password
if (msg.Length == 0 && RegistrationCommands.userRegistration.Login(data[0], data[1]))
{
string g = RegistrationCommands.GetUserInfo("RecID");
if (usersList.FindIndex(x => x.RegisteredGUID.Equals(g)) < 0)
{
c.FullName = RegistrationCommands.GetUserInfo("FullName");
c.NickName = RegistrationCommands.GetUserInfo("NickName");
c.UserName = RegistrationCommands.GetUserInfo("UserName");
c.RegisteredGUID = RegistrationCommands.GetUserInfo("RecID");
c.Email = RegistrationCommands.GetUserInfo("Email");
c.UserRights = RegistrationCommands.GetUserInfo("Rights");
c.Status = RegistrationCommands.GetUserInfo("Status");
c.registeredDT = RegistrationCommands.GetUserInfo("RegisteredDT");
c.lastOnDT = RegistrationCommands.GetUserInfo("LastOnDT");
c.lastMsgDT = DateTime.Now;
welcomeMsg = "Welcome " + (c.IsAdmin ? "administrator " : "") + c.FullName
+ ".\r\nYou were last on " + c.lastOnDT.ToString("MMMM dd, yyyy @ h:mm tt");
// if there is a Welcome.txt file, load it at the end of the welcome message
if (File.Exists(LocalPath + "Welcome.txt"))
{
welcomeMsg += "\r\n\r\n" + File.ReadAllText(LocalPath + "Welcome.txt");
}
}
else
{
// already logged in
welcomeMsg = "You are already logged into the system. Your nickname is " + c.NickName;
}
}
else
{
// login failure
c.registeredDT = DateTime.MinValue;
c.lastOnDT = DateTime.MinValue;
c.lastMsgDT = DateTime.Now;
welcomeMsg = "Login failure - you are " + guestName + " and have limited access until logged in";
}
// Clear out any change tracks so far
c.Reset();
// Add the user to the list
usersList.Add(c);
// set up access to the client socket
clientsHash.Add(guid, clientSocket);
// display some information to the form
mw.Display(string.Format("{0} -Instance: {1} -User: {2} -Nick: {3} -Computer: {4} -IP: {5} -remoteID: {6} -localIP: {7} -remoteIP: {8})",
DateTime.Now.ToString("MM/dd HH:mm:ss"), c.ThreadGUID, c.UserName, c.NickName, c.computerName, c.ipAddress, data[0], data[3], ipaddr) + " is in the lobby");
// Create and start a new thread for this client connection
clientThreads.Add(new ClientThreading());
clientThreads[clientThreads.Count - 1].StartClientThread(mw, this, clientSocket, clientThreads.Count - 1, msg);
clientThreads[clientThreads.Count - 1].nickName = c.NickName;
// Welcome them and let everyone know they are here
SendToGUID(guid, welcomeMsg);
BroadcastMsgToRoom("", ">>> " + c.NickName + " is in " + c.CurrentRoom);
}
else
{
// oops, HELLO msg was too short
mw.Display(string.Format(">>> Received badly formed hello message {0}\r\n", dataFromClient), 5);
}
}
else
{
// tell them we need a hello
if (clientSocket.Connected)
{
try
{
msg = "This server requires a [HELLO:...] message to initiate a connection";
NetworkStream broadcastStream = clientSocket.GetStream();
Byte[] broadcastBytes = Encoding.ASCII.GetBytes(msg);
broadcastStream.Write(broadcastBytes, 0, broadcastBytes.Length);
broadcastStream.Flush();
// Remote IP address
string ipaddr = ((IPEndPoint)clientSocket.Client.RemoteEndPoint).Address.ToString();
mw.Display(string.Format("Notification for HELLO sent to {0}\r\nReceived: {1}\r\nSent: {2}",
ipaddr, dataFromClient, msg));
clientSocket.Dispose();
clientSocket = null;
}
catch (Exception ex)
{
mw.Display("Hello broadCast error: " + ex.Message, 1);
}
}
}
}
}
}
serverRunning = false;
mw.Display("DoServer stopped.", 5);
}