private void btnConnect_Click(object sender, EventArgs e)
{
// If we are not currently connected but awaiting to connect
if (Connected == false)
{
// Initialize the connection
InitializeConnection();
}
else // We are connected, thus disconnect
{
CloseConnection("Disconnected from Chat Server");
liUsers = new List <string>();
ClientForm.SetControlPropertyThreadSafe(this.onlineUsers, "DataSource", new List <String>());
}
}
private void ReceiveMessages()
{
// Receive the response from the server
srReceiver = new StreamReader(tcpServer.GetStream());
// If the first character of the response is 1, connection was successful
string ConResponse = srReceiver.ReadLine();
// If the first character is a 1, connection was successful
if (ConResponse[0] == '1')
{
// Update the form to tell it we are now connected
this.Invoke(new UpdateLogCallback(this.UpdateLog), new object[] { "Connected Successfully!" });
String hostName = Dns.GetHostName();
IPAddress[] addr = Dns.GetHostEntry(hostName).AddressList;
foreach (IPAddress a in addr)
{
if (a.ToString().Split('.')[0] == ipAddr.ToString().Split('.')[0])
{
myIp = a.ToString();
}
}
}
else // If the first character is not a 1 (probably a 0), the connection was unsuccessful
{
string Reason = "Not Connected: ";
// Extract the reason out of the response message. The reason starts at the 3rd character
Reason += ConResponse.Split('\"')[1];
// Update the form with the reason why we couldn't connect
this.Invoke(new CloseConnectionCallback(this.CloseConnection), new object[] { Reason });
// Exit the method
return;
}
// While we are successfully connected, read incoming lines from the server
while (Connected)
{
// Show the messages in the log TextBox
try
{
if (tcpServer.Available > 0)
{
String res = srReceiver.ReadLine();
String[] tokens = res.Split('\"');
switch (tokens[0])
{
case "":
switch (tokens[1])
{
case "1":
this.Invoke(new UpdateLogCallback(this.UpdateLog), new object[] { tokens[2] });
break;
case "2":
for (int i = 2; i < tokens.Length; i++)
{
if (!liUsers.Contains(tokens[i]) && this.UserName != tokens[i])
{
liUsers.Add(tokens[i]);
this.Invoke(new UpdateLogCallback(this.UpdateLog), new object[] { tokens[i] + " has joined the server." });
}
}
ClientForm.SetControlPropertyThreadSafe(this.onlineUsers, "DataSource", new List <String>());
ClientForm.SetControlPropertyThreadSafe(this.onlineUsers, "DataSource", liUsers);
break;
case "3":
if (liUsers.Contains(tokens[2]))
{
liUsers.Remove(tokens[2]);
}
ClientForm.SetControlPropertyThreadSafe(this.onlineUsers, "DataSource", new List <String>());
ClientForm.SetControlPropertyThreadSafe(this.onlineUsers, "DataSource", liUsers);
this.Invoke(new UpdateLogCallback(this.UpdateLog), new object[] { tokens[2] + " has left the server." });
break;
}
break;
default:
switch (tokens[1])
{
case "1":
if (privateWindows.Contains(tokens[0]))
{
try
{
((PrivateChat)privateWindows[tokens[0]]).recievedMessage(tokens[2]);
}
catch
{
//MessageBox.Show(e.ToString(), "Error", MessageBoxButtons.OK);
privateWindows.Remove(tokens[0]);
this.Invoke(new UpdateLogCallback(this.UpdateLog), new object[] { "*" + tokens[0] + ": " + tokens[2] });
}
}
else
{
this.Invoke(new UpdateLogCallback(this.UpdateLog), new object[] { "*" + tokens[0] + ": " + tokens[2] });
}
//((PrivateChat)privateWindows[tokens[0]]).recievedMessage(tokens[2]);
break;
case "4":
if (ChatClient.ClientForm.serverBusy == true)
{
MessageBox.Show("A request from " + tokens[0] + " was cancelled as the server is already busy!");
break;
}
switch (tokens[6])
{
case "0":
string[] filePath = tokens[4].Split('\\');
string fileName = filePath[filePath.Length - 1];
if (MessageBox.Show("Recieve file " + fileName + " from User " + tokens[0] + "?",
"File Transfer Requested", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
this.Invoke(new FileRecieveCallback(this.startFileRecieve), new object[] { res });
}
break;
case "1":
if (MessageBox.Show("Recieve Seismic Cube from " + tokens[0] + "?",
"Seismic Cube Transfer Request", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
this.Invoke(new FileRecieveCallback(this.startFileRecieve), new object[] { res });
}
break;
}
break;
case "5":
this.Invoke(new UpdateLogCallback(this.UpdateLog), new object[] { "Started sending file..." });
FTSender sender = new FTSender(tokens[2], tokens[3], tokens[4], this);
Thread thread = new Thread(new ThreadStart(sender.SendFile));
thread.Start();
break;
case "7":
GeoCommunication.FTSender.recieved = true;
break;
case "o": // For recieving objects
this.Invoke(new FileRecieveCallback(this.startObjectRecieve), new object[] { res });
break;
case "O":
ObjSender sender2 = new ObjSender(tokens[3], tokens[4], sendObject);
Thread thread2 = new Thread(new ThreadStart(sender2.SendObject));
thread2.Start();
break;
default:
this.Invoke(new UpdateLogCallback(this.UpdateLog), new object[] { res });
break;
}
break;
}
}
else
{
Thread.Sleep(500);
}
}
catch (IOException e)
{
Console.WriteLine("Disconnected.." + e.ToString());
}
}
}