private void ReceiveCallback(IAsyncResult result)
{
//ConnectionInfo connection = result.AsyncState;
ConnectionInfo conn = (ConnectionInfo)result.AsyncState;
//str = "";
try
{
//int bytesRead = socket.EndReceive(result);
int bytesRead = conn.Socket.EndReceive(result);
if (0 != bytesRead)
{
str = "";
string from = Encoding.ASCII.GetString(answer, 0, 4);
string code = Encoding.ASCII.GetString(answer, 4, 4);
//if (code == "err_")
str += Encoding.ASCII.GetString(answer, 8, bytesRead - 8);
//MessageBox.Show("Message Received: " + str);
//showM("Message Received in ReceiveCallback: " + str);
switch (code)
{
case "n_id":
conn.id = Convert.ToInt32(str);
id = conn.id;
string msg = id.ToString("D4");
msg += "auth";
msg += login.PadLeft(15);
msg += pass.PadLeft(15);
Send2Serv(conn, msg);
break;
case "err_":
/* some actions to fix error */
if (str == "wrong_name")
{
Authoriz f = new Authoriz(this);
f.ShowDialog(this);
msg = id.ToString("D4");
msg += "regi";
msg += login.PadLeft(15);
msg += pass.PadLeft(15);
Send2Serv(conn, msg);
}
else if (str == "wrong_pass")
{
MessageBox.Show("Неправильный пароль или логин. Исправьте пароль или логин в настройках и повторите попытку");
Authoriz f = new Authoriz(this);
f.ShowDialog(this);
msg = id.ToString("D4");
msg += "regi";
msg += login.PadLeft(15);
msg += pass.PadLeft(15);
Send2Serv(conn, msg);
}
else if (str == "wrong_iden")
{
MessageBox.Show("Получите новый идентификатор клиента");
string sstr = "geti";
sstr += "auth";
sstr += login.PadLeft(15);
sstr += pass.PadLeft(15);
Send2Serv(connection, sstr);
}
break;
case "mess":
if (from != "serv")
{
showM("Received: " + str);
}
showCM("From " + from + ": " + str);
break;
case "sync":
/* some sync actions */
break;
case "list":
/* Fill clients list */
//listBox2.Items.Clear();
showC("#CLEAR_ITEMS");
showM("This is str: " + str);
string[] arrs = str.Trim().Split('#', ' ');
foreach (string s in arrs)
{
//MessageBox.Show(s);
//listBox2.Items.Add(s);
showM("Sub str: " + s);
showC(s);
}
break;
}
}
else
{
//str = "";
//textBox1.Text += Environment.NewLine + str;
//showM(str);
//socket.Close();
}
connection.Socket.BeginReceive(answer,
0, answer.Length, SocketFlags.None,
new AsyncCallback(ReceiveCallback),
connection);
}
catch (SocketException exc)
{
//CloseConnection(connection);
MessageBox.Show("Socket exception: " +
exc.SocketErrorCode);
}
catch (Exception exc)
{
//CloseConnection(connection);
MessageBox.Show("Exception: " + exc);
}
}
private void authorizeToolStripMenuItem_Click(object sender, EventArgs e)
{
Authoriz au = new Authoriz(this);
au.ShowDialog();
}