public void leave_OUT(Client_information p)
{
if (p.socket != null)
{
p.socket.Close();
}
p.socket = null;
}
public void SendCommand(Client_information user, byte[] txt) //发送函数 txt为发送内容
{
if (user.Sock != null && user.Sock.Connected)
{
SocketAsyncEventArgs sendArg = new SocketAsyncEventArgs();
sendArg.SetBuffer(txt, 0, txt.Length);
sendArg.Completed += (objSender, mArg) =>
{
if (mArg.SocketError == SocketError.Success)
{
// this.BeginInvoke(new Action<string>(this.Show_Message2), "发送成功");
}
else
{
// this.BeginInvoke(new Action<string>(this.Show_Message2), "发送失败，错误：" + mArg.SocketError.ToString());
}
};
user.Sock.SendAsync(sendArg);
}
}
public void ReceiveCallback(IAsyncResult ia) //接收回调 msg为接收数据
{
StateObject _so = ia.AsyncState as StateObject;
_socket = _so.theSocket;
try
{
//接收到的字节数
int n = _socket.EndReceive(ia);
string msg = Encoding.UTF8.GetString(_so.Buffer, 0, n);
string[] tokens = msg.Split(new Char[] { '|' });
IPEndPoint m = (IPEndPoint)_socket.RemoteEndPoint;
if (tokens[0] == "CONN")
{
Client_information New_User = new Client_information(tokens[1], m.Address.ToString(), _socket);
information New_User_INFOR = new information(tokens[1], m.Address.ToString());
New_User_information(tokens[1], m.Address.ToString());
thread = new Thread(new ParameterizedThreadStart(setItems));
thread.Start();
MemoryStream User_Stream = new MemoryStream();
newUser_list.Clear();
newUser_list.Add(New_User_INFOR);
foreach (Client_information p in User)
{
// Client_information cl = (Client_information)User[i];
string js = "Client|" + JsonConvert.SerializeObject(newUser_list);
byte[] buffer = System.Text.Encoding.UTF8.GetBytes(js);
SendCommand(p, buffer);
}
/*for (int i = 0;i<User.Count; i++)
* {
* Client_information cl = (Client_information)User[i];
* string js = JsonConvert.SerializeObject(newUser_list);
* byte[] buffer = System.Text.Encoding.UTF8.GetBytes(js);
* SendCommand(cl, buffer);
*
* }*/
string json = "Client|" + JsonConvert.SerializeObject(User_information);
byte[] bf = System.Text.Encoding.UTF8.GetBytes(json);
SendCommand(New_User, bf);
// MessageBox.Show("ok");
User.Add(New_User);
User_information.Add(New_User_INFOR);
// MessageBox.Show(User_information[0].ip+"OK");
//MessageBox.Show(User[0].getName());
}
if (tokens[0] == "Signout")
{
string js = null;
byte[] buffer = null;
for (int i = 0; i < User_information.Count; i++)
{
if (User_information[i].ip.Equals(tokens[1]))
{
js = "Quit|" + JsonConvert.SerializeObject(User_information[i]);
buffer = System.Text.Encoding.UTF8.GetBytes(js);
ii = i;
New_Leave(User_information[i].name, User_information[i].ip);
th = new Thread(new ParameterizedThreadStart(longshao));
th.Start();
leave_OUT(User[i]);
User_information.RemoveAt(i);
User.RemoveAt(i);
}
}
for (int i = 0; i < User.Count; i++)
{
buffer = System.Text.Encoding.UTF8.GetBytes(js);
SendCommand(User[i], buffer);
}
}
}
catch (Exception e)
{
//MessageBox.Show(e.Message);
}
//继续接收
_so = new StateObject();
_so.theSocket = _socket;
try
{
_socket.BeginReceive(_so.Buffer, 0, _so.Buffer.Length, SocketFlags.None, new AsyncCallback(this.ReceiveCallback), _so);
}
catch (Exception e)
{
}
}
