private void Receive(ref OnlineNode s)
{
Socket thisClient = s.user_socket;
string uname = s.username;
bool connected = true;
while (connected && !terminating)
{
try
{
Byte[] buffer = new Byte[64]; // username is received here
thisClient.Receive(buffer);
string incomingMessage = Encoding.Default.GetString(buffer);
incomingMessage = incomingMessage.Substring(0, incomingMessage.IndexOf("\0"));
logs.AppendText("Client: " + incomingMessage + "\n");
bool should_i_accept = check_Allowance(ref incomingMessage);
Thread deliverThread = new Thread(() => deliver_Message_From_User(ref uname, ref incomingMessage));
deliverThread.Start();
}
catch
{
if (!terminating)
{
logs.AppendText("A client has disconnected\n");
}
thisClient.Close();
onlineUsers.Remove(s);
connected = false;
}
}
}
private void Accept()
{
while (listening)
{
try
{
Socket newClient = serverSocket.Accept();
OnlineNode user = Receive_Username(ref newClient);
logs.AppendText("A client is connected.\n");
Thread receiveThread = new Thread(() => Receive(ref user));
receiveThread.Start();
}
catch
{
if (terminating)
{
listening = false;
}
else
{
logs.AppendText("The socket stopped working.\n");
}
}
}
}
private OnlineNode Receive_Username(ref Socket s)
{
Socket thisClient = s;
bool connected = true;
while (connected && !terminating)
{
try
{
Byte[] buffer = new Byte[64]; // username is received here
thisClient.Receive(buffer);
string incomingMessage = Encoding.Default.GetString(buffer);
incomingMessage = incomingMessage.Substring(0, incomingMessage.IndexOf("\0"));
logs.AppendText("Client: " + incomingMessage + "\n");
bool should_i_accept = check_Allowance(ref incomingMessage);
if (should_i_accept)
{
OnlineNode u = new OnlineNode(ref incomingMessage, ref thisClient);
return(u);
logs.AppendText("Client: " + incomingMessage + " is accepted to the network. \n");
}
else
{
logs.AppendText("Client: " + incomingMessage + "is rejected : not registered in the Database. \n");
}
}
catch
{
if (!terminating)
{
logs.AppendText("A client has disconnected\n");
}
thisClient.Close();
connected = false;
}
}
throw new Exception();
}