public void OnSend(IAsyncResult ar)
{
try
{
Socket client = (Socket)ar.AsyncState;
client.EndSend(ar);
}
catch (Exception ex)
{
YH_Util.YH_Exception_Form(ex);
}
}
private void OnAccept(IAsyncResult ar)
{
try
{
acceptDone.Set();
Socket clientSocket = listenSocket.EndAccept(ar);
listenSocket.BeginAccept(new AsyncCallback(OnAccept), null);
clientSocket.BeginReceive(byteData, 0, byteData.Length, SocketFlags.None,
new AsyncCallback(OnReceive), clientSocket);
}
catch (Exception ex)
{
YH_Util.YH_Exception_Form(ex);
}
}
public void StartListening()
{
try
{
listenSocket = new Socket(AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
IPEndPoint ipEndPoint = new IPEndPoint(IPAddress.Any, LISTEN_PORT);
listenSocket.Bind(ipEndPoint);
listenSocket.Listen(4);
while (true)
{
acceptDone.Reset();
listenSocket.BeginAccept(new AsyncCallback(OnAccept), null);
acceptDone.WaitOne();
}
}
catch (Exception ex)
{
YH_Util.YH_Exception_Form(ex);
}
}
private void OnReceive(IAsyncResult ar)
{
try
{
Socket clientSocket = (Socket)ar.AsyncState;
clientSocket.EndReceive(ar);
Data msgReceived = new Data(byteData);
Data msgToSend = new Data();
byte[] message;
msgToSend.cmdCommand = msgReceived.cmdCommand;
msgToSend.strName = msgReceived.strName;
switch (msgReceived.cmdCommand)
{
case Command.Login:
ClientInfo clientInfo = new ClientInfo();
clientInfo.socket = clientSocket;
clientInfo.strName = msgReceived.strName;
clientList.Add(clientInfo);
msgToSend.strMessage = "<<<" + msgReceived.strName + " has joined the room>>>";
Console.WriteLine(msgToSend.strMessage);
break;
case Command.Logout:
int nIndex = 0;
foreach (ClientInfo client in clientList)
{
if (client.socket == clientSocket)
{
clientList.RemoveAt(nIndex);
break;
}
++nIndex;
}
clientSocket.Close();
msgToSend.strMessage = "<<<" + msgReceived.strName + " has left the room>>>";
Console.WriteLine(msgToSend.strMessage);
break;
case Command.Message:
msgToSend.strMessage = msgReceived.strName + ": " + msgReceived.strMessage;
Console.WriteLine(msgToSend.strMessage);
break;
case Command.List:
msgToSend.cmdCommand = Command.List;
msgToSend.strName = null;
msgToSend.strMessage = null;
foreach (ClientInfo client in clientList)
{
msgToSend.strMessage += client.strName + "*";
}
message = msgToSend.ToByte();
clientSocket.BeginSend(message, 0, message.Length, SocketFlags.None,
new AsyncCallback(OnSend), clientSocket);
break;
}
//브로드캐스트로 전체 Client에게 뿌려주기.
{
message = msgToSend.ToByte();
foreach (ClientInfo clientInfo in clientList)
{
if (clientInfo.socket != clientSocket ||
msgToSend.cmdCommand != Command.Login)
{
if (msgToSend.cmdCommand != Command.List)
{
clientInfo.socket.BeginSend(message, 0, message.Length, SocketFlags.None,
new AsyncCallback(OnSend), clientInfo.socket);
}
}
}
// txtLog += msgToSend.strMessage + "\r\n";
}
if (msgReceived.cmdCommand != Command.Logout)
{
clientSocket.BeginReceive(byteData, 0, byteData.Length, SocketFlags.None, new AsyncCallback(OnReceive), clientSocket);
}
}
catch (Exception ex)
{
YH_Util.YH_Exception_Form(ex);
for (int i = 0; i < clientList.Count; ++i)
{
if (!YH_Util.SocketConnected(clientList[i].socket))
{
clientList.Remove(clientList[i]);
break;
}
}
}
}
