public void DropPlayer(int playerId, int gameId, ClientCode clientCode, Team team)
{
lock (_gameLock)
{
Player player = getPlayer(playerId);
if (team != null)
{
checkPlayerAccess(player, team);
}
else
{
checkPlayerAccess(player, clientCode);
}
Game game = player.Game;
if (game == null)
{
throw new ApplicationException("Player is not in a game");
}
if (gameId > 0 && game.GameId != gameId)
{
throw new ApplicationException("Player is not in the specified game");
}
game.DropPlayer(player, clientCode.ToString());
}
}
private void checkPlayerAccess(Player player, ClientCode clientCode)
{
if (player.Name != clientCode.ClientName || player.Team.Name != clientCode.TeamName)
{
throw new UnauthorizedAccessException();
}
}
public WaitTurnInfo WaitNextTurn(int playerId, int refTurn, ClientCode clientCode, DateTime callTimestamp)
{
while (refTurn == 0)
{
// Entering the game
GameInfo gameInfo = WaitGameStart(playerId, clientCode);
if (gameInfo == null)
{
// Not yet in a game
return(new WaitTurnInfo());
}
else if (gameInfo.State == GameState.Finish)
{
// In a finished game
LeaveGame(playerId, clientCode);
continue;
}
// In a running game -- fall through
break;
}
GameModel game = accessLiveGame(playerId, clientCode);
WaitTurnInfo wi = game.CompletePlayerTurn(playerId, refTurn, callTimestamp);
if (wi.TurnComplete == false)
{
game.WaitNextTurn(wi);
}
if (wi.GameFinished)
{
Thread.Sleep(Settings.LastWaitNextTurnSleepMillis);
}
return(wi);
}
public ClientSession(int sessionId, ClientCode clientCode)
{
SessionId = sessionId;
ClientCode = clientCode;
SequenceNumber = 0;
LastCall = DateTime.Now;
}
public ObservedGameInfo ObserveNextTurn(int observerId, int gameId, ClientCode clientCode)
{
Observer observer;
Game game;
accessObservedGame(observerId, gameId, clientCode, null, out observer, out game);
return(game.ObserveNextTurn(observer));
}
public GameViewInfo StartObserving(int observerId, int gameId, ClientCode clientCode, Team team)
{
Observer observer;
Game game;
accessObservedGame(observerId, gameId, clientCode, team, out observer, out game);
return(game.StartObserving(observer));
}
public ClientSession(int sessionId, ClientCode clientCode)
{
SessionId = sessionId;
ClientCode = clientCode;
LastCall = DateTime.Now;
_oldSessions = new int[10];
_oldSessionCount = 0;
}
public ObservedGameInfo ObserveNextTurn(int observerId, int gameId, ClientCode clientCode, Team team)
{
Observer observer;
GameModel game;
accessObservedGame(observerId, gameId, clientCode, team, out observer, out game);
return(game.ObserveNextTurn(observer));
}
private void accessObservedGame(int observerId, int gameId, ClientCode clientCode, Team team, out Observer observer, out GameModel game)
{
lock (_gameLock)
{
observer = getObserver(observerId, clientCode);
game = getGame(gameId);
checkGameAccess(game, team);
game.CheckRunState();
}
}
public override bool Equals(object obj)
{
if (!(obj is ClientCode))
{
return(false);
}
ClientCode other = (ClientCode)obj;
return(this.TeamName == other.TeamName &&
this.ClientName == other.ClientName);
}
private Observer getObserver(int observerId, ClientCode clientCode)
{
Observer observer;
if (!_observers.TryGetValue(observerId, out observer))
{
throw new ApplicationException("Observer not found");
}
if (observer.Name != clientCode.ClientName || observer.Team.Name != clientCode.TeamName)
{
throw new UnauthorizedAccessException();
}
return(observer);
}
public void LeaveGame(int playerId, ClientCode clientCode)
{
lock (_gameLock)
{
Player player = getPlayer(playerId);
checkPlayerAccess(player, clientCode);
GameModel game = player.Game;
if (game == null)
{
return;
}
game.DropPlayer(player, clientCode.ToString());
}
}
public void DropPlayer(int playerId, int gameId, ClientCode clientCode, Team team)
{
lock (_gameLock)
{
Player player = getPlayer(playerId);
GameModel game = getGame(gameId);
checkGameChange(game, team);
if (player.Game != game)
{
throw new ApplicationException("Player is not in this game");
}
game.DropPlayer(player, clientCode.ToString());
}
}
public WaitTurnInfo WaitNextTurn(int playerId, int refTurn, ClientCode clientCode)
{
Game game = accessLiveGame(playerId, clientCode);
WaitTurnInfo wi = game.CompletePlayerTurn(playerId, refTurn);
if (!wi.TurnComplete)
{
game.WaitNextTurn(wi);
}
if (wi.GameFinished)
{
Thread.Sleep(Settings.LastWaitNextTurnSleepMillis);
}
return(wi);
}
private Game accessLiveGame(int playerId, ClientCode clientCode)
{
lock (_gameLock)
{
Player player = getPlayer(playerId);
checkPlayerAccess(player, clientCode);
Game game = player.Game;
if (game == null)
{
throw new ApplicationException("Player is not in a game");
}
game.checkRunState();
return(game);
}
}
public void Authenticate(SessionAuth auth, SessionAuthOptions options)
{
Team team = _teamReg.GetTeam(auth.TeamName);
string authCode = "";
if (team.Authenticate)
{
authCode = checkAuthCode(team, auth);
if (!options.IsLoginFlow)
{
lock (_replayDetector)
{
_replayDetector.CheckAndStore(authCode);
}
}
}
ClientCode clientCode = auth.GetClientCode();
if (options.IsLoginFlow)
{
if (auth.SessionId != 0 || auth.SequenceNumber != 0)
{
throw new AuthException("For login calls, SessionId and SequenceNumber must be zero.");
}
}
else
{
lock (_sessions)
{
ClientSession session;
if (!_sessions.TryGetValue(clientCode, out session))
{
session = new ClientSession(auth.SessionId, clientCode);
_sessions[clientCode] = session;
}
if (session.SessionId != auth.SessionId)
{
session.Restart(auth.SessionId);
}
session.Update();
}
}
}
public SessionChallenge CreateChallenge(ClientCode clientCode)
{
clientCode.Validate();
Team team = _teamReg.GetTeam(clientCode.TeamName);
lock (_challenges)
{
SessionChallenge challenge;
if (_challenges.TryGetValue(clientCode, out challenge))
{
if (!challenge.IsTimedOut)
{
throw new AuthException("Previous challenge has not timed out. Complete login or wait for timeout.");
}
}
challenge = new SessionChallenge(clientCode);
_challenges[clientCode] = challenge;
return(challenge);
}
}
public GameInfo WaitGameStart(int playerId, ClientCode clientCode)
{
lock (_gameLock)
{
for (int i = 0; i < 2; i++)
{
Player player = getPlayer(playerId);
checkPlayerAccess(player, clientCode);
Game game = player.Game;
if (game != null && game.State != GameState.SETUP)
{
return(new GameInfo(game));
}
if (i == 0)
{
Monitor.Wait(_gameLock, Settings.GameStartPollTimeoutMillis);
}
}
return(null);
}
}
public void Authenticate(SessionAuth auth, SessionAuthOptions options)
{
Team team = _teamReg.GetTeam(auth.TeamName);
if (team.Authenticate)
{
checkAuthCode(team, auth);
}
ClientCode clientCode = auth.GetClientCode();
if (options.IsLoginFlow)
{
if (auth.SessionId != 0 || auth.SequenceNumber != 0)
{
throw new AuthException("For login calls, SessionId and SequenceNumber must be zero.");
}
}
else
{
lock (_sessions)
{
ClientSession session;
if (!_sessions.TryGetValue(clientCode, out session))
{
throw new AuthException("No active session for this client. Login first.");
}
if (session.SessionId != auth.SessionId)
{
throw new AuthException("Stale session id. Relogin or stop.");
}
if (team.Authenticate)
{
_replayDetector.CheckAndStore(auth.SessionId, auth.SequenceNumber);
}
session.Update(auth.SequenceNumber);
}
}
}
public ClientSession CreateSession(ClientCode clientCode, string challengeResponse)
{
Team team = _teamReg.GetTeam(clientCode.TeamName);
lock (_challenges)
{
SessionChallenge challenge;
if (!_challenges.TryGetValue(clientCode, out challenge))
{
throw new AuthException("No outstanding challenge for this client. Init login first.");
}
if (challenge.IsTimedOut)
{
throw new AuthException("Challenge timed out. Init login again and complete login with less delay.");
}
string correctResponse = getAuthCode(getAuthCode(challenge.Challenge, team.Secret), team.Secret);
if (team.Authenticate && (challengeResponse != correctResponse))
{
// TODO Log
throw new AuthException("Challenge response mismatch.");
}
_challenges.Remove(clientCode);
}
lock (_sessions)
{
ClientSession session;
if (_sessions.TryGetValue(clientCode, out session))
{
session.Restart(generateSessionId());
}
else
{
session = new ClientSession(generateSessionId(), clientCode);
_sessions[clientCode] = session;
}
return(session);
}
}
public GameResultInfo GetTurnResultForPlayer(int playerId, ClientCode clientCode)
{
Game game = accessLiveGame(playerId, clientCode);
return(game.GetTurnResult());
}
public SessionChallenge(ClientCode clientCode)
{
ClientCode = clientCode;
Challenge = Guid.NewGuid().ToString();
TimeStamp = DateTime.Now;
}
public GameViewInfo GetPlayerView(int playerId, ClientCode clientCode)
{
Game game = accessLiveGame(playerId, clientCode);
return(game.GetGameView(playerId));
}
public void PerformMove(int playerId, Point position, ClientCode clientCode)
{
Game game = accessLiveGame(playerId, clientCode);
game.PerformMove(playerId, position);
}
