/// <summary>
/// 데이터 수신시
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ReceiveCompleted(object sender, SocketAsyncEventArgs e)
{
// 클라이언트 소켓 얻어오기 및 뷰어 얻어오기
Socket clientSock = sender as Socket;
Viewer viewer = findViewerBySocket(clientSock, Viewers);
// 소켓 데이터
SocketData data = e.UserToken as SocketData;
if (viewer != null)
{
viewer.LastConnected = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
}
try
{
if (clientSock.Connected && e.BytesTransferred > 0)
{
data.Data = e.Buffer;
// 인증 처리
if (!viewer.Authorized)
{
if (data.Code == NET_START)
{
viewer.Authorized = true;
logln($"클라이언트 {viewer.Socket.RemoteEndPoint.ToString()} 인증됨.", true);
SocketAsyncEventArgs args = new SocketAsyncEventArgs();
args.SetBuffer(UTF8.GetBytes(NET_START), 0, 8);
clientSock.SendAsync(args);
}
}
else if (viewer.Authorized && !viewer.LoggedIn)
{
// 로그인 처리
if (data.Code == NET_LOGIN)
{
int pnSize = BitConverter.ToInt32(data.Data, 8);
string paneNumber = UTF8.GetString(data.Data, 12, pnSize).Replace("\0", "");
int nickSize = BitConverter.ToInt32(data.Data, 12 + pnSize);
string nick = UTF8.GetString(data.Data, 12 + pnSize + 4, nickSize);
nick = nick.Replace("\0", "").Trim();
logln($"클라이언트 {viewer.Socket.RemoteEndPoint.ToString()} 로그인 중...", true);
viewer.PaneNumber = paneNumber;
viewer.IpAddr = getIPAddress(BitConverter.ToUInt32(((IPEndPoint)viewer.Socket.RemoteEndPoint).Address.GetAddressBytes(), 0));
viewer.Nick = nick;
viewer.LoggedIn = true;
logln("로그인 성공!\n" +
$"PaneNumber: {paneNumber}\n" +
$"IpAddr: {viewer.IpAddr}\n" +
$"Nick: {viewer.Nick}", true);
SocketAsyncEventArgs args = new SocketAsyncEventArgs();
byte[] arr = new byte[9];
UTF8.GetBytes(NET_LOGIN).CopyTo(arr, 0);
arr[8] = 0x01;
args.SetBuffer(arr, 0, 9);
clientSock.SendAsync(args);
}
}
// 채팅 처리
if (viewer.Authorized && viewer.LoggedIn)
{
switch (data.Code)
{
// 방 리스트 전송
case NET_ROOM_LIST:
{
SendRoomList(Rooms, viewer);
break;
}
// 방 입장 처리
case NET_ROOM_ENTER:
{
EnterRoom(Rooms, viewer, data);
break;
}
// 방 퇴장 처리
case NET_ROOM_EXIT:
try
{
LeaveRoom(viewer, Rooms);
SocketAsyncEventArgs args = new SocketAsyncEventArgs();
byte[] arr = new byte[9];
UTF8.GetBytes(NET_ROOM_EXIT).CopyTo(arr, 0);
arr[9] = 0x01;
args.SetBuffer(arr, 0, 9);
clientSock.SendAsync(args);
}
catch (Exception ee)
{
SocketAsyncEventArgs args = new SocketAsyncEventArgs();
byte[] arr = new byte[5];
UTF8.GetBytes(NET_ROOM_EXIT).CopyTo(arr, 0);
arr[9] = 0xFF;
args.SetBuffer(arr, 0, 9);
clientSock.SendAsync(args);
logln($"{viewer.Nick}({viewer.IpAddr})님께서 {findRoomByPaneNumber(viewer.PaneNumber, Rooms).RoomID}번 방에서 퇴장 중에 알 수 없는 에러 발생:\n{ee.ToString()}");
}
break;
// 방 생성 처리
case NET_ROOM_CREATE:
{
try
{
SocketAsyncEventArgs args = new SocketAsyncEventArgs();
MemoryStream stream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(stream);
writer.Write(UTF8.GetBytes(NET_ROOM_CREATE));
if (!Utility.IsRoomExists(viewer.PaneNumber, Rooms))
{
RoomInfo Room = new RoomInfo();
Room.PaneNumber = viewer.PaneNumber;
Room.CreatedAt = DateTime.Now;
Room.Owner = viewer;
Rooms.Add(Room);
writer.Write((byte)0x01);
//logln($"{viewer.Nick}({viewer.IpAddr})에서 방 생성 요청 수락됨", true);
}
else
{
writer.Write((byte)0xFF);
}
args.SetBuffer(stream.ToArray(), 0, stream.ToArray().Length);
stream = new MemoryStream();
writer = new BinaryWriter(stream);
clientSock.SendAsync(args);
break;
}
catch (Exception ee)
{
logln(ee.ToString(), true, true);
break;
}
break;
}
case NET_ROOM_KICK:
{
int paneLen = BitConverter.ToInt32(data.Data, 8);
string panenumber = UTF8.GetString(data.Data, 12, paneLen);
Viewer target = findViewerByPaneNumber(panenumber, findRoomByPaneNumber(viewer.PaneNumber, Rooms)?.Viewer);
try
{
if (target != null)
{
SystemRoom(viewer.RoomInfo, $"{target.Nick}<{target.PaneNumber}>님이 추방되었습니다.");
MemoryStream stream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(stream);
writer.Write(target.PaneBytes.Length);
writer.Write(target.PaneBytes);
writer.Write(UTF8.GetBytes(target.Nick).Length);
writer.Write(UTF8.GetBytes(target.Nick));
writer.Write(UTF8.GetBytes(target.IpAddr).Length);
writer.Write(UTF8.GetBytes(target.IpAddr));
BroadcastRoom(NET_ROOM_KICK, viewer.RoomInfo, stream.ToArray());
LeaveRoom(target, Rooms);
}
}
catch (Exception ee)
{
Console.WriteLine(ee.ToString());
}
break;
}
case NET_ROOM_DESTROY:
{
int lenPane = BitConverter.ToInt32(data.Data, 8);
string pane = UTF8.GetString(data.Data, 12, lenPane);
MemoryStream stream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(stream);
writer.Write(lenPane);
writer.Write(UTF8.GetBytes(pane));
writer.Write((byte)0x01);
BroadcastMessage(NET_ROOM_DESTROY, Rooms, stream.ToArray());
DestroyRoom(pane, Rooms);
break;
}
case NET_CHAT_MESSAGE:
{
if (viewer.RoomInfo != null)
{
int chatLen = BitConverter.ToInt32(data.Data, 8);
string chat = UTF8.GetString(data.Data, 12, chatLen);
chat = chat.Replace("\0", "").Trim();
RoomChatMsg(viewer, chat);
RoomInfo curRoom = viewer.RoomInfo;
MemoryStream stream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(stream);
writer.Write(UTF8.GetByteCount(curRoom.PaneNumber));
writer.Write(UTF8.GetBytes(curRoom.PaneNumber));
BroadcastMessage(NET_PUSH_NEWMSG, Rooms, stream.ToArray());
}
break;
}
case NET_CHAT_NOTICE:
{
int type = BitConverter.ToInt32(data.Data, 8);
int lenPane = BitConverter.ToInt32(data.Data, 12);
string paneNumber = UTF8.GetString(data.Data, 16, lenPane);
int lenNotice = BitConverter.ToInt32(data.Data, 16 + lenPane);
string notice = UTF8.GetString(data.Data, 20 + lenPane, lenNotice);
if (type == 1)
{
NotifyAll(Rooms, notice);
}
else if (type == 2)
{
var room = findRoomByPaneNumber(paneNumber, Rooms);
NotifyRoom(room, notice);
}
break;
}
case NET_LOGOUT:
{
LeaveRoom(viewer, Rooms);
SocketAsyncEventArgs args = new SocketAsyncEventArgs();
args.SetBuffer(UTF8.GetBytes(NET_LOGOUT), 0, 8);
viewer.Socket.SendAsync(args);
break;
}
}
}
data = new SocketData();
data.initData(1024);
e.SetBuffer(data.Data, 0, 1024);
clientSock.ReceiveAsync(e);
}
//else
//{
// // 연결 끊김 처리
// logln($"클라이언트 {clientSock.RemoteEndPoint.ToString()}의 연결이 끊겼습니다.", true);
// clientSock.Disconnect(false);
// clientSock.Close();
// clientSock.Dispose();
// Viewer remove = null;
// foreach (Viewer v in Viewers)
// {
// if (v.Socket == clientSock)
// {
// remove = v;
// break;
// }
// }
// Viewers.Remove(remove);
//}
}
catch (SocketException ee)
{
logln($"소켓 에러\n{ee.ToString()}");
}
catch (Exception ee)
{
logln($"알 수 없는 에러\n{ee.ToString()}");
}
}
/// <summary>
/// 연결 수립시
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ClientAccepted(object sender, SocketAsyncEventArgs e)
{
// 클라이언트 소켓 얻기
logln("연결 요청 확인됨.", true);
Socket clientSock = e.AcceptSocket;
if (clientSock != null && clientSock is Socket)
{
// 소켓 데이터 설정
logln("대상: " + clientSock.RemoteEndPoint.ToString(), true);
SocketAsyncEventArgs recvE = new SocketAsyncEventArgs();
// 소켓 데이터 초기화
SocketData data = new SocketData();
data.initData(1024);
recvE.UserToken = data;
recvE.SetBuffer(data.Data, 0, 1024);
recvE.Completed += new EventHandler<SocketAsyncEventArgs>(ReceiveCompleted);
clientSock.ReceiveAsync(recvE);
// 뷰어 초기화
Viewer viewer = new Viewer();
viewer.Socket = clientSock;
viewer.SocketData = data;
Viewers.Add(viewer);
}
else
{
logln("연결을 수립하는 중 에러 발생\n" + e.ToString(), true, true);
}
// 다음 연결 수립 대기
Socket server = sender as Socket;
e.AcceptSocket = null;
server.AcceptAsync(e);
}