static void connected(object sender, SocketAsyncEventArgs args)
{
Socket client = sender as Socket;
if (args.SocketError == SocketError.Success)
{
Console.WriteLine("접속됨.");
MemoryStream stream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(stream);
writer.Write(UTF8.GetBytes(NET_AUTH));
writer.Write(UTF8.GetBytes(NET_AUTH_TOKEN).Length);
writer.Write(UTF8.GetBytes(NET_AUTH_TOKEN));
client.Send(stream.ToArray());
SocketData data = new SocketData();
data.initData(SETTING_DATA_SIZE);
SocketAsyncEventArgs recvArgs = new SocketAsyncEventArgs();
recvArgs.UserToken = data;
recvArgs.SetBuffer(data.data, 0, SETTING_DATA_SIZE);
recvArgs.Completed += new EventHandler<SocketAsyncEventArgs>(receiveCompleted);
client.ReceiveAsync(recvArgs);
}
else
Console.WriteLine(args.SocketError.ToString());
}
private void receiveCompleted(object sender, SocketAsyncEventArgs args)
{
Socket clientSock = sender as Socket;
SocketData data = args.UserToken as SocketData;
Client client = data.client;
if (client == null)
{
return;
}
if (args.SocketError == SocketError.ConnectionReset)
{
disconnectClient(client, true);
}
client.lastConn = DateTime.Now;
if (clientSock.Connected && args.BytesTransferred > 0)
{
data.data = args.Buffer;
if (!client.authed)
{
if (data.code == NET_AUTH)
{
int len = BitConverter.ToInt32(data.data, 8);
string token = UTF8.GetString(data.data, 12, len);
StreamWriter.Write(UTF8.GetBytes(NET_AUTH));
if (token == NET_AUTH_TOKEN)
{
client.authed = true;
Console.WriteLine($"클라이언트 {clientSock.RemoteEndPoint.ToString()} 인증됨.");
StreamWriter.Write(0x00000001);
}
else
{
Console.WriteLine($"클라이언트 {clientSock.RemoteEndPoint.ToString()} 인증 실패");
StreamWriter.Write(0xFFFFFFFF);
disconnectClient(client);
}
SocketAsyncEventArgs sendArgs = new SocketAsyncEventArgs();
sendArgs.SetBuffer(UtilStream.ToArray(), 0, UtilStreamLength);
clientSock.SendAsync(sendArgs);
resetSW();
}
}
else
{
switch (data.code)
{
case NET_LIST:
{
SendList(client);
break;
}
}
}
data = new SocketData();
data.client = client;
data.initData(SETTING_DATA_SIZE);
args.UserToken = data;
args.SetBuffer(data.data, 0, SETTING_DATA_SIZE);
clientSock.ReceiveAsync(args);
}
}
static void receiveCompleted(object sender, SocketAsyncEventArgs args)
{
Socket client = sender as Socket;
SocketData data = args.UserToken as SocketData;
data.data = args.Buffer;
if (client == null)
return;
if (client.Connected && args.BytesTransferred > 0)
{
SocketAsyncEventArgs sendArgs = new SocketAsyncEventArgs();
switch (data.code)
{
case NET_ALIVE:
{
sendArgs.SetBuffer(UTF8.GetBytes(NET_ALIVE), 0, 8);
client.SendAsync(sendArgs);
break;
}
case NET_AUTH:
{
int state = BitConverter.ToInt32(data.data, 8);
if (state == 1)
{
Console.WriteLine("인증 성공!");
authed = true;
}
else
{
Console.WriteLine("인증 실패.");
authed = false;
}
break;
}
case NET_LIST:
{
int len = BitConverter.ToInt32(data.data, 8);
XElement xml = XElement.Parse(UTF8.GetString(data.data, 12, len));
Console.WriteLine(xml.ToString());
break;
}
}
}
data = new SocketData();
data.initData(SETTING_DATA_SIZE);
args.UserToken = data;
args.SetBuffer(data.data, 0, SETTING_DATA_SIZE);
client.ReceiveAsync(args);
}
private void acceptSocket(object sender, SocketAsyncEventArgs args)
{
if (args.SocketError != SocketError.Success)
{
return;
}
Socket server = sender as Socket;
Socket clientSock = args.AcceptSocket;
if (clientSock != null && clientSock is Socket)
{
Console.WriteLine($"클라이언트 {clientSock.RemoteEndPoint.ToString()} 접속");
Client client = new Client();
client.socket = clientSock;
client.lastConn = DateTime.Now;
SocketAsyncEventArgs recvArgs = new SocketAsyncEventArgs();
SocketData data = new SocketData(client);
data.initData(SETTING_DATA_SIZE);
recvArgs.UserToken = data;
recvArgs.SetBuffer(data.data, 0, SETTING_DATA_SIZE);
recvArgs.Completed += new EventHandler<SocketAsyncEventArgs>(receiveCompleted);
clientSock.ReceiveAsync(recvArgs);
clientList.Add(client);
}
args.AcceptSocket = null;
server.AcceptAsync(args);
}