private void btnServerStart_Click(object sender, EventArgs e)
{
started = !started;
if (started)
{
txtMessageDisplay.Clear();
ServerSocket = new TcpListener(IPAddress.Any, port);
Thread serverListenThread = new Thread(ListenForClients);
serverListenThread.Start(ServerSocket);
ToggleStartButton();
}
else
{
foreach (var item in clientTable)
{
item.Value.GetStream().Close();
}
clientTable.Clear(); // remove all connections
clientCount = 1;
LogServerForm.Message("Server Stopped...");
PrintReceivedData("Server Stopped...");
ServerSocket.Stop();
ToggleStartButton();
}
}
public void ListenForClients(object serverSocket)
{
TcpListener tcpListener = (TcpListener)serverSocket;
tcpListener.Start();
PrintReceivedData("Server started Listening...");
while (started)
{
try
{
TcpClient client = tcpListener.AcceptTcpClient();
clientTable.Add(clientCount, client);
Thread clientListShow = new Thread(AddClientToList);
clientListShow.Start(clientCount);
LogServerForm.Message($"Client - ClientID_{clientCount} connected!");
PrintReceivedData($"Client - ClientID_{clientCount} connected!");
Thread clientThread = new Thread(HandleClients);
clientThread.Start(clientCount);
clientCount++;
}
catch (Exception ex)
{
LogServerForm.Error(ex);
}
}
}
public static void Broadcast(string data)
{
try
{
byte[] buffer = Encoding.ASCII.GetBytes(data + Environment.NewLine);
foreach (TcpClient client in clientTable.Values)
{
NetworkStream stream = client.GetStream();
stream.Write(buffer, 0, buffer.Length);
}
}
catch (Exception ex)
{
LogServerForm.Error(ex);
}
}
public void HandleClients(object obj)
{
try
{
int clientID = (int)obj;
TcpClient client;
client = clientTable[clientID];
while (started)
{
try
{
NetworkStream stream = client.GetStream();
byte[] buffer = new byte[1024];
int bufferNoOfBytes = stream.Read(buffer, 0, buffer.Length);
if (bufferNoOfBytes == 0)
{
break;
}
string data = Encoding.ASCII.GetString(buffer, 0, bufferNoOfBytes);
Broadcast(data);
LogServerForm.Message(data);
PrintReceivedData(data);
}
catch (Exception ex)
{
LogServerForm.Error(ex);
}
}
LogServerForm.Message($"Client - ClientID_{clientID} disconnected!");
PrintReceivedData($"Client - Client ID_{clientID} disconnected!");
clientTable.Remove(clientID);
ClientAppendToList(clientID.ToString());
client.GetStream().Close();
client.Close();
client.Close();
}
catch (Exception ex)
{
LogServerForm.Error(ex);
}
}
