private void HandleClientComm(object client)
{
TcpClient tcpClient = (TcpClient)client;
NetworkStream clientStream = tcpClient.GetStream();
string clientIPAddress = "" + IPAddress.Parse((((IPEndPoint)tcpClient.Client.RemoteEndPoint).Address.ToString()));
Debug.WriteLine(clientIPAddress);
tcpClient.ReceiveTimeout = 10000000;
byte[] message = new byte[4096];
int bytesRead;
//clientStream.ReadTimeout = 1000;
while (true)
{
bytesRead = 0;
try
{
//blocks until a client sends a message
bytesRead = clientStream.Read(message, 0, 4096);
}
catch
{
//a socket error has occured
break;
}
if (bytesRead == 0)
{
//the client has disconnected from the server
break;
}
//message has successfully been received
ASCIIEncoding encoder = new ASCIIEncoding();
switch (Message.getCode(message))
{
case Message.HANDSHAKE_CODE: // 135
if (peers.Count == max_peer)
{
if (log)
Console.WriteLine("Handshake failed : max_peer reached");
byte[] buff = Message.Failed();
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
else
{
Peer p = new Peer();
p.peer_id = lastPeerID;
peers.Add(p);
byte[] byte_peer_id = BitConverter.GetBytes(lastPeerID);
lastPeerID++;
if (log)
Console.WriteLine("Handshake success : peer " + p.peer_id);
byte[] buff = Message.HandShakeResponse(p.peer_id);
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
break;
case Message.CREATE_CODE: // 255
int peerid = Message.getPeerId(message);
int maxplayer = Message.getMaxPlayer(message);
String roomid = Message.getRoomId2(message);
if (/*findPeer(peerid) != -1 && */findRoom(roomid) == -1 && rooms.Count < max_room)
{
Room room = new Room();
room.peer_id = peerid;
room.room_id = roomid;
room.maxplayer = maxplayer;
room.neighbor = new List<Peer>();
Peer p2 = peers[findPeer(peerid)] as Peer;
room.neighbor.Add(p2);
room.creatorIPAddress = clientIPAddress;
rooms.Add(room);
if (log)
Console.WriteLine("Room creation success : peer " + peerid + " room " + roomid + " IPAddress: " + clientIPAddress);
byte[] buff = Message.Success();
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
else
{
if (log)
Console.WriteLine("Room creation failed");
byte[] buff = Message.Failed();
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
break;
case Message.LIST_CODE:// 254
int peerid2 = Message.getPeerId(message);
if (log)
Console.WriteLine("Room listed for : peer " + peerid2);
byte[] buff2 = Message.Room(rooms);
clientStream.Write(buff2, 0, buff2.Length);
clientStream.Flush();
break;
case Message.JOIN_CODE:// 253
int peerid3 = Message.getPeerId(message);
String roomid3 = Message.getRoomId(message);
if (joinRoom(roomid3, peerid3))
{
if (log)
Console.WriteLine("Room join success : peer " + peerid3 + " room " + roomid3);
byte[] buff = Message.Success();
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
else
{
if (log)
Console.WriteLine("Room join failed : peer " + peerid3 + " room " + roomid3);
byte[] buff = Message.Failed();
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
break;
case Message.START_CODE:// 252
int peerid4 = Message.getPeerId(message);
String roomid4 = Message.getRoomId(message);
int roomidx = findRoom(roomid4);
if (roomidx == -1)
{
if (log)
Console.WriteLine("Room start failed : room not found. peer " + peerid4 + " room " + roomid4);
byte[] buff = Message.Failed();
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
else
{
Room r4 = rooms[roomidx] as Room;
if (r4.peer_id != peerid4)
{
if (log)
Console.WriteLine("Room start failed : peer is not master. peer " + peerid4 + " room " + roomid4);
byte[] buff = Message.Failed();
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
else
{
rooms.RemoveAt(roomidx);
if (log)
Console.WriteLine("Room start success peer " + peerid4 + " room " + roomid4);
byte[] buff = Message.Success();
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
}
break;
case Message.QUIT_CODE:// 235
int peerid5 = Message.getPeerId(message);
int roomidx5 = findRoom(peerid5);
if (roomidx5 == -1)
{
if (log)
Console.WriteLine("Room quit failed : room not found. peer " + peerid5);// + " room " + roomid5);
byte[] buff = Message.Failed();
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
else
{
Room r5 = rooms[roomidx5] as Room;
if (r5.findNeighbor(peerid5) == -1)
{
if (log)
Console.WriteLine("Room quit failed : peer hasn't joined yet. peer " + peerid5);// + " room " + roomid5);
byte[] buff = Message.Failed();
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
else
{
r5.neighbor.RemoveAt(r5.findNeighbor(peerid5));
if (log)
Console.WriteLine("Room quit success. peer " + peerid5);// + " room " + roomid5);
byte[] buff = Message.Success();
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
}
break;
case Message.INSIDEROOM_CODE:// 253
int peerid6 = Message.getPeerId(message);
int roomidx6 = findRoom(peerid6);
if (roomidx6 != -1)
{
Room room = rooms[roomidx6] as Room;
if (log)
Console.WriteLine("Room finding success : peer " + peerid6 + " room " + room.room_id);
byte[] buff = Message.InsideRoom(room);
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
else
{
if (log)
Console.WriteLine("Room join failed : peer " + peerid6 + " room " + roomidx6);
byte[] buff = Message.Failed();
clientStream.Write(buff, 0, buff.Length);
clientStream.Flush();
}
break;
}
if (log)
Console.WriteLine("Message = " + encoder.GetString(message, 0, bytesRead));
byte[] buff7 = Message.KeepAlive(Message.getPeerId(message));
clientStream.Write(buff7, 0, buff7.Length);
clientStream.Flush();
}
tcpClient.Close();
}
public static byte[] InsideRoom(Room room)
{
List<byte> buffer = new List<byte>();
buffer.AddRange(dataToByte(PSTR, PSTR_SIZE));
buffer.AddRange(RESERVED);
buffer.Add(INSIDEROOM_CODE);
buffer.AddRange(room.roomToBytes());
return buffer.ToArray();
}
public static ArrayList getRooms(byte[] message)
{
byte[] result = new byte[1];
ArrayList rooms = new ArrayList();
int room_count = getRoomCount(message);
int iterator = 0;
for (int i = 0; i < room_count; ++i)
{
result = new byte[4];
Array.Copy(message, 24 + iterator, result, 0, 4);
int peer_id = BitConverter.ToInt32(result, 0);
Debug.WriteLine("peer_id: " + peer_id);
iterator += 4;
result = new byte[4];
Array.Copy(message, 24 + iterator, result, 0, 4);
int maxplayer = BitConverter.ToInt32(result, 0);
Debug.WriteLine("maxplayer: " + maxplayer);
iterator += 4;
result = new byte[4];
Array.Copy(message, 24 + iterator, result, 0, 4);
int neighbor_count = BitConverter.ToInt32(result, 0);
iterator += 4;
Debug.WriteLine("neighbor_count: " + neighbor_count);
Room room = new Room();
room.peer_id = peer_id;
room.maxplayer = maxplayer;
for (int j = 0; j < neighbor_count; j++)
{
result = new byte[4];
Array.Copy(message, 24 + iterator, result, 0, 4);
int peerID = BitConverter.ToInt32(result, 0);
Debug.WriteLine("peerID[{0}]: " + peerID, j);
Peer p = new Peer();
p.peer_id = peerID;
iterator += 4;
room.neighbor.Add(p);
}
room.room_id = "";
for(int x = 0; x < 50; ++x)
{
//Console.WriteLine("message ke-{0}: " + (char)message[24 + iterator + x], x);
//room_id = (byte)((message[24 + iterator + (5 * x)] << 4 & 0xFF) | (message[24 + iterator + ((5 * x) + 2)]));
room.room_id += (char)message[24 + iterator + x];
room.creatorIPAddress += (char)message[24 + (iterator + 50) + x];
}
room.room_id.Normalize();
room.creatorIPAddress.Normalize();
iterator += 100;
Debug.WriteLine("roomID[{0}]: " + room.room_id + "\ncreatorIPAddress[{1}]: " + room.creatorIPAddress, i, i);
rooms.Add(room);
}
return rooms;
}
public static Room getRoom(byte[] message)
{
int iterator = 0;
byte[] result = new byte[4];
Array.Copy(message, 20 + iterator, result, 0, 4);
int peer_id = BitConverter.ToInt32(result, 0);
Debug.WriteLine("peer_id: " + peer_id);
iterator += 4;
result = new byte[4];
Array.Copy(message, 20 + iterator, result, 0, 4);
int maxplayer = BitConverter.ToInt32(result, 0);
Debug.WriteLine("maxplayer: " + maxplayer);
iterator += 4;
result = new byte[4];
Array.Copy(message, 20 + iterator, result, 0, 4);
int neighbor_count = BitConverter.ToInt32(result, 0);
iterator += 4;
Debug.WriteLine("neighbor_count: " + neighbor_count);
Room room = new Room();
room.peer_id = peer_id;
room.maxplayer = maxplayer;
for (int j = 0; j < neighbor_count; j++)
{
result = new byte[4];
Array.Copy(message, 20 + iterator, result, 0, 4);
int peerID = BitConverter.ToInt32(result, 0);
Debug.WriteLine("peerID[{0}]: " + peerID, j);
Peer p = new Peer();
p.peer_id = peerID;
iterator += 4;
room.neighbor.Add(p);
}
room.room_id = "";
for (int x = 0; x < 50; ++x)
{
//Console.WriteLine("message ke-{0}: " + (char)message[24 + iterator + x], x);
//room_id = (byte)((message[24 + iterator + (5 * x)] << 4 & 0xFF) | (message[24 + iterator + ((5 * x) + 2)]));
room.room_id += (char)message[20 + iterator + x];
room.creatorIPAddress += (char)message[20 + (iterator + 50) + x];
}
room.room_id = normalizeString(room.room_id);
room.creatorIPAddress = normalizeString(room.creatorIPAddress);
Debug.WriteLine("roomID: " + room.room_id + "\ncreatorIPAddress: " + room.creatorIPAddress);
return room;
}
public InsideRoomViewModel(Room room = null)
{
Room = room;
}
public void AddRoom(Room room)
{
Rooms.Add(room);
}