/// <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>
/// 방 리스트에서 해당 방이 몇 번째 요소에 있는지 알아냄
/// </summary>
/// <param name="Room">방</param>
/// <param name="Rooms">방 리스트</param>
/// <returns></returns>
public static int getRoomIdByRoom(RoomInfo Room, List<RoomInfo> Rooms)
{
for (int i = 0; i < Rooms.Count; i++)
{
if (Rooms[i].PaneNumber == Room.PaneNumber)
{
return i;
}
}
return -1;
}
/// <summary>
/// 특정 방 모두에게 코드 송신
/// </summary>
/// <param name="message">코드</param>
/// <param name="room">방</param>
/// <param name="data">(선택)데이터</param>
public static void BroadcastRoom(string message, RoomInfo room, byte[] data = null)
{
foreach (Viewer v in room.Viewer)
{
if (v.Socket.Connected)
{
SocketAsyncEventArgs args = new SocketAsyncEventArgs();
MemoryStream stream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(stream);
stream.Write(UTF8.GetBytes(message), 0, 8);
if (data != null)
{
stream.Write(data, 0, data.Length);
}
args.SetBuffer(stream.ToArray(), 0, stream.ToArray().Length);
v.Socket.SendAsync(args);
}
}
}
/// <summary>
/// 해당 뷰어가 특정 방에 있는지 확인
/// </summary>
/// <param name="viewer">뷰어</param>
/// <param name="room">방</param>
/// <returns></returns>
public static bool IsViewerInRoom(Viewer viewer, RoomInfo room)
{
foreach (Viewer v in room.Viewer)
{
if (v.PaneNumber.Equals(viewer.PaneNumber))
{
return true;
}
}
return false;
}
/// <summary>
/// 방에 공지사항 띄우기
/// </summary>
/// <param name="target">방</param>
/// <param name="message">공지 문자열</param>
public static void SystemRoom(RoomInfo target, string message)
{
if (target == null)
{
return;
}
foreach (Viewer v in target.Viewer)
{
try
{
SocketAsyncEventArgs args = new SocketAsyncEventArgs();
MemoryStream stream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(stream);
writer.Write(UTF8.GetBytes(NET_CHAT_SYSTEM));
writer.Write(UTF8.GetBytes(message).Length);
writer.Write(UTF8.GetBytes(message));
args.SetBuffer(stream.ToArray(), 0, stream.ToArray().Length);
v.Socket.SendAsync(args);
}
catch (Exception e)
{
logln($"{target.RoomID}의 {v.Nick}({v.IpAddr})에게 시스템 메세지를 전송하는 중 에러 발생!\n{e.ToString()}", true);
}
}
logln($"SYSTEM({target.RoomID}번 방): {message}", true);
}
