private void _Room(Connection connection, NetIncomingMessage inMessage)
{
RoomCommand command = RoomCommand.Unknown;
try
{
command = (RoomCommand)inMessage.ReadByte();
}
catch
{
}
switch (command)
{
default:
case RoomCommand.Unknown:
break;
case RoomCommand.Create:
case RoomCommand.Destroy:
// Unexpected
break;
case RoomCommand.Update: // Server to Client
_handler.RoomOperation(
RoomOperation.Update,
new Room(
connection.IPEndPoint.ToString().MD5String(),
connection,
new Packet(inMessage)));
break;
case RoomCommand.GetRoom:
{
string roomId = null;
try
{
roomId = inMessage.ReadString();
}
catch
{
}
if (roomId == null)
{
break;
}
_handler.Room(new Room(roomId, null, new Packet(inMessage)));
}
break;
case RoomCommand.GetRoomsPage:
{
byte reqId = 0;
byte page = 0;
byte pages = 0;
byte roomCount = 0;
try
{
reqId = inMessage.ReadByte();
page = inMessage.ReadByte();
pages = inMessage.ReadByte();
roomCount = inMessage.ReadByte();
}
catch
{
}
if (reqId == 0 ||
reqId != _roomsPageReqId ||
page == 0 ||
roomCount == 0)
{
return;
}
string[] roomIds = new string[roomCount];
try
{
for (int i = 0; i < roomCount; i++)
{
roomIds[i] = inMessage.ReadString();
}
}
catch
{
return;
}
_handler.RoomsPage(roomIds, page, pages);
}
break;
case RoomCommand.Auth: // Master to Server
{
if (!IsHosting)
{
return;
}
IPEndPoint ipEndPoint = null;
try
{
ipEndPoint = inMessage.ReadIPEndPoint();
}
catch
{
}
if (ipEndPoint == null)
{
return;
}
// Create auth
string token = (ipEndPoint + DateTime.Now.ToString()).MD5String();
Pair <IPEndPoint, string> auth = new Pair <IPEndPoint, string>(ipEndPoint, token);
lock (_auths)
{
Pair <IPEndPoint, string> oldAuth = _auths.FirstOrDefault(x => x.Left.Equals(ipEndPoint));
if (oldAuth != null)
{
_auths.Remove(oldAuth);
}
_auths.Add(auth);
_authsCache = _auths.ToArray();
}
// Send 'Hello' to client (NAT Punchthrough)
byte[] data = "SA".GetBytes();
SendToForeign(ipEndPoint, data, 0, data.Length);
// Send accept to Master
NetOutgoingMessage outMessage = _peer.CreateMessage();
outMessage.Write((byte)DataType.Room);
outMessage.Write((byte)RoomCommand.Accept);
outMessage.Write(ipEndPoint);
outMessage.Write(token);
_master.NetConnection.SendMessage(outMessage, NetDeliveryMethod.ReliableOrdered, 0);
}
break;
case RoomCommand.Connect: // Master to Client
{
string id = null;
IPEndPoint ipEndPoint = null;
string token = null;
try
{
id = inMessage.ReadString();
ipEndPoint = inMessage.ReadIPEndPoint();
token = inMessage.ReadString();
}
catch
{
}
if (id == null || ipEndPoint == null || token == null ||
string.IsNullOrEmpty(_targetRoomId) || id != _targetRoomId ||
_joinPacket == null)
{
return;
}
// Connect to Server
NetOutgoingMessage outMessage = _peer.CreateMessage();
outMessage.Write(token);
_joinPacket.Serialize(outMessage);
_server = new Connection(ConnectionType.Server, _peer.Connect(ipEndPoint, outMessage),
ConnectionStatus.Connecting);
_targetRoomId = null;
_joinPacket = null;
}
break;
}
}
private void _Callback(object peer)
{
if (!IsAlive)
{
return;
}
try
{
NetIncomingMessage inMessage = _peer.ReadMessage();
if (inMessage == null)
{
return;
}
switch (inMessage.MessageType)
{
default:
break;
case NetIncomingMessageType.ConnectionApproval: // Client to Server
{
if (!IsHosting)
{
inMessage.SenderConnection.Deny("Peer not hosting!");
break;
}
string token = null;
try
{
token = inMessage.ReadString();
}
catch
{
}
if (token == null)
{
inMessage.SenderConnection.Deny("Bad authentication data");
break;
}
Pair <IPEndPoint, string> auth =
_authsCache.FirstOrDefault(x => x.Left.Equals(inMessage.SenderEndPoint));
if (auth == null)
{
inMessage.SenderConnection.Deny("Authentication not found");
break;
}
lock (_auths)
{
_auths.Remove(auth);
_authsCache = _auths.ToArray();
}
if (auth.Right != token)
{
inMessage.SenderConnection.Deny("Authentication failed");
break;
}
Connection connection = new Connection(ConnectionType.Client, inMessage.SenderConnection,
ConnectionStatus.Connecting);
Pair <bool, Packet> result = _handler.Login(connection, new Packet(inMessage));
if (result == null)
{
inMessage.SenderConnection.Deny("Failed to perform login");
break;
}
if (!result.Left)
{
if (string.IsNullOrEmpty(result.Right.GetString("Reason")))
{
result.Right.SetString("Reason", "Login refused");
}
inMessage.SenderConnection.Deny("_" + result.Right.ToBase64String());
break;
}
lock (_clients)
{
if (!_clients.Contains(connection))
{
_clients.Add(connection);
_clientsCache = _clients.ToArray();
}
}
inMessage.SenderConnection.Approve();
}
break;
case NetIncomingMessageType.StatusChanged:
{
NetConnectionStatus status = (NetConnectionStatus)inMessage.ReadByte();
if (status != NetConnectionStatus.Connected && status != NetConnectionStatus.Disconnected)
{
break;
}
Connection connection = null;
if (_master != null && _master.IPEndPoint.Equals(inMessage.SenderEndPoint))
{
connection = _master;
}
else if (_server != null && _server.IPEndPoint.Equals(inMessage.SenderEndPoint))
{
connection = _server;
}
else
{
connection =
_clientsCache.FirstOrDefault(x => x.IPEndPoint.Equals(inMessage.SenderEndPoint));
}
if (connection == null)
{
if (status == NetConnectionStatus.Connected)
{
inMessage.SenderConnection.Disconnect("Connection not found");
}
break;
}
if (status == NetConnectionStatus.Connected)
{
connection.Status = ConnectionStatus.Connected;
_handler.Connect(connection);
}
else
{
// Drop/Remove connection by 'Type'
switch (connection.Type)
{
case ConnectionType.Master:
{
_master = null;
// Server
if (IsHosting)
{
IsHosting = false;
}
_serverRoom = null;
lock (_clients)
{
foreach (Connection conn in _clients)
{
conn.NetConnection.Disconnect("Server closed the room and connection");
conn.Status = ConnectionStatus.Disconnecting;
}
_clients.Clear();
_clientsCache = new Connection[0];
}
lock (_auths)
{
_auths.Clear();
_authsCache = new Pair <IPEndPoint, string> [0];
}
// Client
if (_server != null)
{
_server.NetConnection.Disconnect("Left");
_server = null;
}
}
break;
case ConnectionType.Server:
_server = null;
break;
case ConnectionType.Client:
{
lock (_clients)
{
if (_clients.Remove(connection))
{
_clientsCache = _clients.ToArray();
}
}
}
break;
}
connection.Status = ConnectionStatus.Disconnected;
string reason = inMessage.ReadString();
if (reason.StartsWith("_"))
{
Packet packet = reason.Substring(1).ToPacket();
if (string.IsNullOrEmpty(packet.GetString("Reason")))
{
packet.SetString("Reason", "Unknown");
}
_handler.Disconnect(connection, packet);
}
else
{
Packet packet = new Packet();
packet.SetString("Reason", reason);
_handler.Disconnect(connection, packet);
}
}
}
break;
case NetIncomingMessageType.Data:
{
Connection connection = null;
if (_master != null && _master.IPEndPoint.Equals(inMessage.SenderEndPoint))
{
connection = _master;
}
else if (_server != null && _server.IPEndPoint.Equals(inMessage.SenderEndPoint))
{
connection = _server;
}
else
{
connection =
_clientsCache.FirstOrDefault(x => x.IPEndPoint.Equals(inMessage.SenderEndPoint));
}
if (connection == null)
{
inMessage.SenderConnection.Disconnect("Connection not found");
break;
}
DataType type = DataType.Unknown;
try
{
type = (DataType)inMessage.ReadByte();
}
catch
{
}
switch (type)
{
default:
case DataType.Unknown:
break;
case DataType.Room:
if (inMessage.DeliveryMethod == NetDeliveryMethod.ReliableOrdered ||
inMessage.DeliveryMethod == NetDeliveryMethod.ReliableSequenced)
{
_Room(connection, inMessage);
}
break;
case DataType.Data:
_handler.Data(connection, (Delivery)inMessage.DeliveryMethod, new Packet(inMessage),
(Channel)inMessage.SequenceChannel);
break;
}
}
break;
case NetIncomingMessageType.ConnectionLatencyUpdated:
{
Connection connection = null;
if (_master != null && _master.IPEndPoint.Equals(inMessage.SenderEndPoint))
{
connection = _master;
}
else if (_server != null && _server.IPEndPoint.Equals(inMessage.SenderEndPoint))
{
connection = _server;
}
else
{
connection =
_clientsCache.FirstOrDefault(x => x.IPEndPoint.Equals(inMessage.SenderEndPoint));
}
if (connection == null)
{
inMessage.SenderConnection.Disconnect("Connection not found");
break;
}
connection.Latency = inMessage.ReadFloat();
_handler.Latency(connection, connection.Latency);
}
break;
case NetIncomingMessageType.UnconnectedData:
{
_handler.ForeignData(inMessage.SenderEndPoint, inMessage.Data);
}
break;
case NetIncomingMessageType.DebugMessage:
_handler.Log(LogType.Info, inMessage.ReadString());
break;
case NetIncomingMessageType.WarningMessage:
_handler.Log(LogType.Warning, inMessage.ReadString());
break;
case NetIncomingMessageType.ErrorMessage:
_handler.Log(LogType.Error, inMessage.ReadString());
break;
}
_peer.Recycle(inMessage);
}
catch (Exception exception)
{
_Reset();
_handler.Terminate(true, exception);
}
}
