private static async Task CrawlGames(ILogger logger, GamesListingOptions gameListingOptions)
{
using (FicsClient client = new FicsClient())
{
await client.Login(configuration.FicsUsername, configuration.FicsPassword);
client.ServerVariables.ShowPromptTime = false;
client.ServerVariables.Seek = false;
client.ServerVariables.MoveBell = false;
client.ServerVariables.Style = 12;
client.ServerVariables.ShowProvisionalRatings = true;
client.ServerVariables.Interface = "GameCrawler";
client.ServerInterfaceVariables.PreciseTimes = true;
client.ServerInterfaceVariables.DetailedGameInfo = true;
client.ServerInterfaceVariables.PreMove = true;
client.ServerInterfaceVariables.SmartMove = false;
client.UnknownMessageReceived += (message) =>
{
logger.LogUnknownMessage(message);
};
client.GameStateChange += (state) =>
{
ObservingGame game;
lock (observingGames)
{
if (!observingGames.TryGetValue(state.GameId, out game))
return;
}
if (state.LastMove != null && state.LastMove != "none")
{
var move = new ChessMove()
{
Move = state.LastMove,
Time = state.LastMoveTime,
};
List<ChessMove> movesList = state.WhiteMove ? game.BlackMovesList : game.WhiteMovesList;
int moveNumber = !state.WhiteMove ? state.Move : state.Move - 1;
lock (movesList)
{
while (movesList.Count < moveNumber)
{
movesList.Add(null);
}
movesList[moveNumber - 1] = move;
}
}
};
client.GameEnded += (result) =>
{
ObservingGame game;
lock (observingGames)
{
if (observingGames.TryGetValue(result.GameId, out game))
{
game.Result = result;
Log("Game ended {0}\nWhite moves: {1}\nBlack moves: {2}", game.Game, game.WhiteMovesList.Count, game.BlackMovesList.Count);
observingGames.Remove(result.GameId);
}
}
// Check if game was aborted and save otherwise
if (game != null && result.WhitePlayerPoints + result.BlackPlayerPoints > 0)
{
bool save = true;
if (game.PartnersGame != null)
{
if (game.Game.WhitePlayer.Username.CompareTo(game.PartnersGame.Game.WhitePlayer.Username) < 0)
{
lock (game)
lock (game.PartnersGame)
{
game.Finished = true;
if (!game.PartnersGame.Finished)
save = false;
}
}
else
{
lock (game.PartnersGame)
lock (game)
{
game.Finished = true;
if (!game.PartnersGame.Finished)
save = false;
}
}
}
if (save)
logger.SaveGame(game);
}
};
while (client.ConnectionWorking)
{
var games = await client.ListGames(gameListingOptions);
Log("Active games: {0}", games.Count);
foreach (var game in games)
{
if (game.Examined || game.InSetup)
continue;
bool containsKey;
lock (observingGames)
{
containsKey = observingGames.ContainsKey(game.Id);
}
if (!containsKey)
{
try
{
// Add game to the list
var observingGame = new ObservingGame();
observingGame.BlackMovesList = new List<ChessMove>();
observingGame.WhiteMovesList = new List<ChessMove>();
observingGame.Game = game;
lock (observingGames)
{
observingGames.Add(game.Id, observingGame);
}
// Start observing game
var result = await client.StartObservingGame(game);
// If we started observing different game, stop observing it
if (!result.GameInfo.WhitePlayer.Username.StartsWith(game.WhitePlayer.Username)
|| !result.GameInfo.BlackPlayer.Username.StartsWith(game.BlackPlayer.Username))
{
Log("Canceling game {0}", game);
await client.StopObservingGame(game);
}
Log("Starting game {0}", game);
// Collect and update moves list
var moveList = await client.GetMoveList(game);
observingGame.GameStarted = moveList.GameStarted;
lock (observingGame.WhiteMovesList)
{
while (observingGame.WhiteMovesList.Count < moveList.WhiteMoves.Count)
observingGame.WhiteMovesList.Add(null);
for (int i = 0; i < moveList.WhiteMoves.Count; i++)
observingGame.WhiteMovesList[i] = moveList.WhiteMoves[i];
}
lock (observingGame.BlackMovesList)
{
while (observingGame.BlackMovesList.Count < moveList.BlackMoves.Count)
observingGame.BlackMovesList.Add(null);
for (int i = 0; i < moveList.BlackMoves.Count; i++)
observingGame.BlackMovesList[i] = moveList.BlackMoves[i];
}
// Connect partners game
if (result.GameInfo.PartnersGameId > 0)
{
ObservingGame partnersGame;
lock (observingGames)
{
if (observingGames.TryGetValue(result.GameInfo.PartnersGameId, out partnersGame))
{
partnersGame.PartnersGame = observingGame;
observingGame.PartnersGame = partnersGame;
}
}
}
}
catch (Exception ex)
{
logger.LogException(ex);
lock (observingGames)
{
observingGames.Remove(game.Id);
}
try
{
await client.StopObservingGame(game.Id);
}
catch (Exception)
{
// We want to swallow this exception
}
}
}
}
await Task.Delay(TimeSpan.FromSeconds(10));
}
}
}