//receive client message and send to client
public void ReceiveMsg(object client)
{
int connect = 0;
int connectid = id;
id++;
Socket connection = (Socket)client;
IPAddress clientIP = (connection.RemoteEndPoint as IPEndPoint).Address;
int clientPort = (connection.RemoteEndPoint as IPEndPoint).Port;
while (true)
{
try
{
byte[] result = new byte[1024];
//receive message from client
int receive_num = connection.Receive(result);
String receive_str = Encoding.ASCII.GetString(result, 0, receive_num);
if (receive_num > 0)
{
dynamic receive_json = JsonConvert.DeserializeObject(receive_str);
if (listen == 1)
{
if (connect == 1)
{
if (receive_json.Msg == "shut down")
{
if (listen == 1)
{
listen = 0;
UserData userData = new UserData("", "", "server is not ready", "2");
string jstr = System.Text.Json.JsonSerializer.Serialize(userData);
//resend message to client
receive_msg.Dispatcher.BeginInvoke(
new Action(() => { receive_msg.Text += "server stop\n"; }), null);
for (int i = 0; i < SocketLists.Count; i++)
{
if (SocketLists[i] != null)
{
try
{
SocketLists[i].Send(Encoding.ASCII.GetBytes(jstr + "\n"));
}
catch
{
Console.WriteLine("bad");
}
}
}
}
//connection.Send(Encoding.ASCII.GetBytes(jstr));
}
else if (receive_json.Connect == 1)
{
String send_str = "" + receive_json.Username + "(" + clientIP + ") : " + receive_str + "\n";
UserData userData = new UserData("", "", "" + receive_json.Username + ": " + receive_json.Msg, "1");
string jstr = System.Text.Json.JsonSerializer.Serialize(userData);
//resend message to client
for (int i = 0; i < SocketLists.Count; i++)
{
if (SocketLists[i] != null)
{
try
{
SocketLists[i].Send(Encoding.ASCII.GetBytes(jstr + "\n"));
}
catch
{
Console.WriteLine("bad");
}
}
}
//connection.Send(Encoding.ASCII.GetBytes(jstr));
//receive_msg.Dispatcher.BeginInvoke(
// new Action(() => { receive_msg.Text += send_str; }), null);
receive_msg.Dispatcher.BeginInvoke(
new Action(() => { receive_msg.Text += "" + receive_json.Username + "(" + clientIP + ":" + clientPort + ")= " + receive_str + "\n"; }), null);
}
}
else
{
UserData userData = new UserData("", "" + receive_json.Username, "Welcome " + receive_json.Username + " !", "1");
string jstr = System.Text.Json.JsonSerializer.Serialize(userData);
//resend message to client
for (int i = 0; i < SocketLists.Count; i++)
{
if (SocketLists[i] != null)
{
try
{
SocketLists[i].Send(Encoding.ASCII.GetBytes(jstr + "\n"));
}
catch
{
Console.WriteLine("bad");
}
}
}
//connection.Send(Encoding.ASCII.GetBytes(jstr+"\n"));
receive_msg.Dispatcher.BeginInvoke(
new Action(() => { receive_msg.Text += "" + receive_json.Username + "(" + clientIP + ":" + clientPort + ") connect\n"; }), null);
//send welcome message to client
connect = 1;
}
}
else
{
UserData userData = new UserData("", "", "server is not ready", "2");
string jstr = System.Text.Json.JsonSerializer.Serialize(userData);
//resend message to client
connection.Send(Encoding.ASCII.GetBytes(jstr + "\n"));
//send welcome message to client
}
}
}
catch (Exception e)
{
//exception close()
Console.WriteLine(e);
//connection.Shutdown(SocketShutdown.Both);
//connection.Close();
break;
}
}
}
public static void AddUserData(UserData Value)
{
DB.Insert(Value);
DB.Commit();
}
