public ServerInboxWindow(ServerForm parent, TcpClient clientSocket, Button btnInbox)
{
InitializeComponent();
this.parent = parent;
this.clientSocket = clientSocket;
this.btnInbox = btnInbox;
}
private void btnServer_Click(object sender, EventArgs e)
{
ServerForm server = new ServerForm(parent);
server.Show();
this.Hide();
}
// Thread
private void ServerThread(ServerForm main)
{
try
{
main.serverSocket.Start();
} catch
{
MessageBox.Show("The port is invalid or already in use.", "Error");
serverSocket = null;
main.Invoke(new MethodInvoker(delegate()
{
main.btnClose.PerformClick();
}));
return;
}
try
{
main.clientSocket = serverSocket.AcceptTcpClient();
} catch (SocketException e)
{
return;
}
NetworkStream stream = new NetworkStream(clientSocket.Client, false);
byte[] buffer = new byte[1024];
int bytesCount = stream.Read(buffer, 0, buffer.Length);
stream.Close();
string ip = Encoding.UTF8.GetString(buffer, 0, bytesCount);
if (Passed(main, clientSocket, ip) == false)
{
return;
}
main.serverShellWindow = new ServerShellWindow(main, btnShell);
main.serverInboxWindow = new ServerInboxWindow(main, clientSocket, btnInbox);
main.Invoke(new MethodInvoker(delegate()
{
main.Text = $"{ip} connected.";
main.serverShellWindow.Show();
main.serverInboxWindow.Show();
}));
main.terminal = new Terminal(this);
main.terminal.Start();
main.listenThread = new Thread(o => ListenThread(main));
listenThread.Start();
ConnectionChanged(true);
// Bắt đầu viết log vì client đã được server cho phép truy cập
log = new Log(parent.pathLogFolder, ip);
}
private void SendInbox(ServerForm parent, ServerInboxWindow main, TcpClient clientSocket)
{
string data = main.serverInboxInput.Text;
Storage.RichTextBoxAppend(main.serverInbox, $"You: {data}");
parent.serverInbox = $"You: {data}";
NetworkStream stream = new NetworkStream(clientSocket.Client, false);
byte[] buffer = Encoding.UTF8.GetBytes($"i{data}");
stream.Write(buffer, 0, buffer.Length);
stream.Close();
Storage.TextBoxClear(main.serverInboxInput);
}
private bool Passed(ServerForm main, TcpClient clientSocket, string ip)
{
int mode = 0;
filter.Invoke(new MethodInvoker(delegate()
{
mode = filter.SelectedIndex;
}));
if (mode == 0)
{
return(true);
}
bool inList;
try
{
inList = ips.Contains(IPAddress.Parse(ip));
}
catch
{
DenyConnection(clientSocket);
(new Thread(o => ServerThread(main))).Start();
MessageBox.Show("Unknown IP tried to connect.", "Deny");
return(false);
}
if (mode == 1)
{
if (inList)
{
return(true);
}
DenyConnection(clientSocket);
(new Thread(o => ServerThread(main))).Start();
MessageBox.Show($"{ip} tried to connect.", "Deny");
return(false);
}
if (!inList)
{
return(true);
}
DenyConnection(clientSocket);
(new Thread(o => ServerThread(main))).Start();
MessageBox.Show($"{ip} tried to connect.", "Deny");
return(false);
}
private void ShellReceiveThread(ServerForm main, string data)
{
data = data.Substring(1);
if (data == "CTRL+C")
{
main.TerminalBreak(main);
return;
}
if (data == "cls" || data == "clear")
{
main.serverShellWindow.ClearShell();
return;
}
// ghi vao log lenh duoc thuc thi
log.updateLog("Input: " + data + '\n');
log.updateLog("=> Output:\n");
main.terminal.executeCommand(data);
}
private void ListenThread(ServerForm main)
{
Storage.BtnEnabledInvoke(main.btnShell, true);
Storage.BtnEnabledInvoke(main.btnInbox, true);
NetworkStream stream = new NetworkStream(main.clientSocket.Client, false);
byte[] buffer = new byte[1024];
while (Thread.CurrentThread.IsAlive)
{
int bytesCount = 0;
try
{
bytesCount = stream.Read(buffer, 0, buffer.Length);
} catch { }
if (bytesCount == 0)
{
break;
}
string data = Encoding.UTF8.GetString(buffer, 0, bytesCount);
if (data[0] == 'i')
{
(new Thread(o => InboxReceiveThread(main, data))).Start();//serverInboxWindow, ref serverInbox, data))).Start();
}
else if (data[0] == 's')
{
(new Thread(o => ShellReceiveThread(main, data))).Start();//clientSocket, serverShellWindow, ref serverShell, data))).Start();
}
else if (data == @"!@#$%^&*()_+EXIT!@#$%^&*()_+")
{
(new Thread(PartnerLeft)).Start();
break;
}
}
stream.Close();
Storage.BtnEnabledInvoke(main.btnShell, false);
Storage.BtnEnabledInvoke(main.btnInbox, false);
}
public Terminal(ServerForm parent)
{
this.parent = parent;
__constructor();
}
private void InboxReceiveThread(ServerForm main, string data)//ServerInboxWindow serverInboxWindow, ref string serverInbox, string data)
{
data = $"Partner: {data.Substring(1)}";
main.serverInbox += data;
main.serverInboxWindow.UpdateInbox(data);
}
public void TerminalBreak(ServerForm main)
{
main.terminal.__destructor();
main.terminal = new Terminal(main);
main.terminal.Start();
}
public ServerShellWindow(ServerForm parent, Button btnShell)
{
InitializeComponent();
this.parent = parent;
this.btnShell = btnShell;
}