// ReSharper restore FunctionNeverReturns
private static void PlayerThread(NetworkPlayer player)
{
NetworkStream clientStream;
//make all the introductions. we do this before sending the world so the client doesn't see them as new connections
foreach (var otherPlayer in Players.Values)
{
try
{
new Connect(otherPlayer.Id, otherPlayer.UserName, otherPlayer.Coords) { ConnectedPlayer = player, Immediate = true }.Send();
}
catch (Exception ex)
{
WriteToServerConsoleLog(string.Format("{0} {1} caused an exception and was removed: {2}", player.UserName, player.IpAddress, ex.Message));
#if DEBUG
WriteToServerConsoleLog(ex.StackTrace);
#endif
}
new Connect(player.Id, player.UserName, player.Coords) { ConnectedPlayer = otherPlayer }.Send();
}
try
{
Players.TryAdd(player.Id, player); //note: it is not possible for the add to fail on ConcurrentDictionary, see: http://www.albahari.com/threading/part5.aspx#_Concurrent_Collections
UpdateServerConsolePlayerList();
var getWorld = new GetWorld { ConnectedPlayer = player };
getWorld.Send();
WriteToServerConsoleLog(String.Format("World send complete to {0} ({1} compressed, {2} uncompressed)", player.IpAddress, getWorld.DataLength, getWorld.UncompressedLength));
//create a thread to handle communication with connected client
player.TcpClient.NoDelay = true;
clientStream = player.TcpClient.GetStream();
}
catch (Exception ex)
{
HandleNetworkError(player, ex);
return;
}
var actionTypebytes = new byte[sizeof(ushort)];
try
{
if (!string.IsNullOrWhiteSpace(Config.MOTD)) new ServerMsg(Config.MOTD, player).Send();
while (true)
{
Thread.Sleep(10); //bm: polling is expensive. don't remove this or the server will pin your machine when only a couple users are online
GameAction gameAction;
while (player.SendQueue.Count > 0 && player.SendQueue.TryDequeue(out gameAction))
{
gameAction.Immediate = true;
gameAction.Send();
}
if (!clientStream.DataAvailable) continue;
var bytesRead = 0;
while (bytesRead < actionTypebytes.Length) bytesRead += clientStream.Read(actionTypebytes, bytesRead, actionTypebytes.Length - bytesRead);
var actionType = (ActionType)BitConverter.ToUInt16(actionTypebytes, 0);
switch (actionType)
{
case ActionType.AddBlock:
gameAction = new AddBlock();
break;
case ActionType.AddBlockItem:
gameAction = new AddBlockItem();
break;
case ActionType.AddBlockMulti:
gameAction = new AddBlockMulti();
break;
case ActionType.AddCuboid:
gameAction = new AddCuboid();
break;
case ActionType.AddProjectile:
gameAction = new AddProjectile();
break;
case ActionType.AddStaticItem:
gameAction = new AddStaticItem();
break;
case ActionType.AddStructure:
gameAction = new AddStructure();
break;
case ActionType.ChatMsg:
gameAction = new ChatMsg();
break;
case ActionType.Disconnect:
gameAction = new Disconnect();
break;
case ActionType.PickupBlockItem:
gameAction = new PickupBlockItem();
break;
case ActionType.PlayerInfo:
gameAction = new PlayerInfo();
break;
case ActionType.PlayerMove:
gameAction = new PlayerMove();
break;
case ActionType.PlayerOption:
gameAction = new PlayerOption();
break;
case ActionType.RemoveBlock:
gameAction = new RemoveBlock();
break;
case ActionType.RemoveBlockItem:
gameAction = new RemoveBlockItem();
break;
case ActionType.RemoveBlockMulti:
gameAction = new RemoveBlockMulti();
break;
case ActionType.ServerCommand:
gameAction = new ServerCommand();
break;
case ActionType.Connect:
case ActionType.ServerMsg:
case ActionType.ServerSync:
case ActionType.GetWorld:
throw new Exception(string.Format("Server should not receive action type: {0}", actionType));
case ActionType.Error:
var bytes = 0;
while (clientStream.ReadByte() != -1)
{
bytes++;
}
throw new Exception("GameAction 'Error' received. " + bytes + " byte(s) remained in the stream.");
default:
throw new Exception(string.Format("Unknown action type: {0}", actionType));
}
gameAction.ConnectedPlayer = player;
gameAction.Receive();
if (HasServerConsole && CaptureIncoming) //only stream messages if there is a console window and it has requested to display them
{
_serverConsole.UpdateStreamLogInvokable(gameAction, player, false);
}
if (actionType == ActionType.Disconnect) return;
}
}
catch (Exception ex)
{
HandleNetworkError(player, ex);
}
}
internal static void Connect(object sender, DoWorkEventArgs e)
{
var args = (object[])e.Argument;
ServerIp = (IPAddress)args[0];
ServerPort = (ushort)args[1];
Players.Clear();
//when running client and server it takes a second for the server to start listening so make multiple connection attempts
//when joining a server only try once because the attempt can take a long time ~22secs
var connectionAttempts = (Config.IsSinglePlayer ? 4 : 1);
for (var tries = 0; tries < connectionAttempts; tries++)
{
Settings.Launcher.UpdateProgressInvokable(string.Format("Connecting ({0} of {1})", tries + 1, connectionAttempts), tries + 1, connectionAttempts);
try
{
TcpClient = new TcpClient();
TcpClient.Connect(ServerIp, ServerPort);
break;
}
catch (SocketException)
{
if (tries == connectionAttempts - 1)
{
throw new ServerConnectException();
}
Thread.Sleep(1000); //wait one second before trying again
}
}
_tcpStream = TcpClient.GetStream();
_tcpStream.ReadTimeout = 15000; //15s timeout during connect
Settings.Launcher.UpdateProgressInvokable("Connected...", 0, 0);
var connect = new Connect(-1, Config.UserName, new Coords());
try
{
connect.Send();
//server will immediately reply to tell us where we are and our Id, or disconnect us
var actionTypebytes = new byte[sizeof(ushort)];
var bytesRead = 0;
while (bytesRead < actionTypebytes.Length)
{
bytesRead += _tcpStream.Read(actionTypebytes, bytesRead, actionTypebytes.Length - bytesRead);
}
var actionType = (ActionType)BitConverter.ToUInt16(actionTypebytes, 0);
if (actionType == ActionType.Connect)
{
connect.Receive();
}
else if (actionType == ActionType.Disconnect)
{
var disconnect = new Disconnect();
disconnect.Receive();
}
else
{
throw new Exception(string.Format("Received {0} packet out of order during connect sequence.", actionType));
}
Game.Player = Players[connect.PlayerId];
//then a list of the players connected, followed by the world
Settings.Launcher.UpdateProgressInvokable("Waiting for World...", 0, 0);
while (!WorldData.IsLoaded)
{
bytesRead = 0;
while (bytesRead < actionTypebytes.Length)
{
bytesRead += _tcpStream.Read(actionTypebytes, bytesRead, actionTypebytes.Length - bytesRead);
}
actionType = (ActionType)BitConverter.ToUInt16(actionTypebytes, 0);
switch (actionType)
{
case ActionType.Connect:
var recvPlayerList = new Connect();
recvPlayerList.Receive();
break;
case ActionType.GetWorld:
var getWorld = new GetWorld();
getWorld.Receive();
break;
default:
throw new Exception(string.Format("Received {0} packet out of order during connect sequence.", actionType));
}
}
}
catch (Exception ex)
{
//HandleNetworkError(ex);
throw new ServerConnectException(ex);
}
_tcpStream.ReadTimeout = -1;
TcpClient.NoDelay = true;
var listenerThread = new Thread(ListenForServerMessageThread)
{
IsBackground = true, Name = "ListenForServerMessageThread"
};
listenerThread.Start();
//send misc player information to server periodically (ie fps, memory).
_playerInfoTimer = new System.Timers.Timer(PlayerInfo.PLAYER_INFO_SEND_INTERVAL);
_playerInfoTimer.Start();
_playerInfoTimer.Elapsed += _playerInfoTimer_Elapsed; //wire elapsed event handler
}
internal static void Connect(object sender, DoWorkEventArgs e)
{
var args = (object[])e.Argument;
ServerIp = (IPAddress)args[0];
ServerPort = (ushort)args[1];
Players.Clear();
//when running client and server it takes a second for the server to start listening so make multiple connection attempts
//when joining a server only try once because the attempt can take a long time ~22secs
var connectionAttempts = (Config.IsSinglePlayer ? 4 : 1);
for (var tries = 0; tries < connectionAttempts; tries++)
{
Settings.Launcher.UpdateProgressInvokable(string.Format("Connecting ({0} of {1})", tries + 1, connectionAttempts), tries + 1, connectionAttempts);
try
{
TcpClient = new TcpClient();
TcpClient.Connect(ServerIp, ServerPort);
break;
}
catch (SocketException)
{
if (tries == connectionAttempts - 1) throw new ServerConnectException();
Thread.Sleep(1000); //wait one second before trying again
}
}
_tcpStream = TcpClient.GetStream();
_tcpStream.ReadTimeout = 15000; //15s timeout during connect
Settings.Launcher.UpdateProgressInvokable("Connected...", 0, 0);
var connect = new Connect(-1, Config.UserName, new Coords());
try
{
connect.Send();
//server will immediately reply to tell us where we are and our Id, or disconnect us
var actionTypebytes = new byte[sizeof(ushort)];
var bytesRead = 0;
while (bytesRead < actionTypebytes.Length) bytesRead += _tcpStream.Read(actionTypebytes, bytesRead, actionTypebytes.Length - bytesRead);
var actionType = (ActionType)BitConverter.ToUInt16(actionTypebytes, 0);
if (actionType == ActionType.Connect)
{
connect.Receive();
}
else if(actionType == ActionType.Disconnect)
{
var disconnect = new Disconnect();
disconnect.Receive();
}
else
{
throw new Exception(string.Format("Received {0} packet out of order during connect sequence.", actionType));
}
Game.Player = Players[connect.PlayerId];
//then a list of the players connected, followed by the world
Settings.Launcher.UpdateProgressInvokable("Waiting for World...", 0, 0);
while (!WorldData.IsLoaded)
{
bytesRead = 0;
while (bytesRead < actionTypebytes.Length) bytesRead += _tcpStream.Read(actionTypebytes, bytesRead, actionTypebytes.Length - bytesRead);
actionType = (ActionType)BitConverter.ToUInt16(actionTypebytes, 0);
switch (actionType)
{
case ActionType.Connect:
var recvPlayerList = new Connect();
recvPlayerList.Receive();
break;
case ActionType.GetWorld:
var getWorld = new GetWorld();
getWorld.Receive();
break;
default:
throw new Exception(string.Format("Received {0} packet out of order during connect sequence.", actionType));
}
}
}
catch (Exception ex)
{
//HandleNetworkError(ex);
throw new ServerConnectException(ex);
}
_tcpStream.ReadTimeout = -1;
TcpClient.NoDelay = true;
var listenerThread = new Thread(ListenForServerMessageThread) { IsBackground = true, Name = "ListenForServerMessageThread" };
listenerThread.Start();
//send misc player information to server periodically (ie fps, memory).
_playerInfoTimer = new System.Timers.Timer(PlayerInfo.PLAYER_INFO_SEND_INTERVAL);
_playerInfoTimer.Start();
_playerInfoTimer.Elapsed += _playerInfoTimer_Elapsed; //wire elapsed event handler
}
