/// <summary>
/// This is the event handler attached to every client that is connected's MessageReceive event.
/// This is where it checks if a client has sent the disconnetion code, and if so, disposes of them.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ConnectedClient_MessageReceived(object sender, MessageReceivedEventArgs e)
{
if (e.Message == TcpOptions.EndConnectionCode.ToString())
{
ConnectedClients.Remove(sender as Client);
var eventargs = new ClientToggleEventArgs
{
ConnectedClient = sender as Client,
Time = DateTime.Now
};
ClientDisconnected?.Invoke(this, eventargs);
}
else
{
foreach (var response in Responses)
{
var willTrigger = false;
switch (response.Mode)
{
case ContentMode.Contains:
if (e.Message.Contains(response.Content))
{
willTrigger = true;
}
break;
case ContentMode.EndsWish:
if (e.Message.EndsWith(response.Content))
{
willTrigger = true;
}
break;
case ContentMode.StartsWith:
if (e.Message.StartsWith(response.Content))
{
willTrigger = true;
}
break;
case ContentMode.Equals:
if (e.Message == response.Content)
{
willTrigger = true;
}
break;
}
if (willTrigger)
{
response.Event?.Invoke(e);
}
else
{
MessageReceived?.Invoke(sender, e);
}
}
}
}
/// <summary>
/// The threaded method where the server listens for client connections. Only called from <see cref="StartClientListening"/>
/// </summary>
private void ListenForClients()
{
while (!IsDisposed)
{
try
{
var connectedTCPClient = _listener.AcceptTcpClient();
var connectedClient = new Client(connectedTCPClient);
connectedClient.MessageReceived += ConnectedClient_MessageReceived;
ConnectedClients.Add(connectedClient);
var eventargs = new ClientToggleEventArgs
{
ConnectedClient = connectedClient,
Time = DateTime.Now
};
ClientConnected?.Invoke(this, eventargs);
}
catch (SocketException e)
{
if (e.SocketErrorCode == SocketError.Interrupted)
{
break;
}
else
{
throw e;
}
}
}
}
