private IgsCode ExtractCodeFromLine(string line)
{
if (line != "")
{
string[] split = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
string firstWord = split[0];
int firstWordAsInteger;
if (int.TryParse(firstWord, out firstWordAsInteger))
{
IgsCode code = (IgsCode)firstWordAsInteger;
return(code);
}
}
return(IgsCode.Unknown);
}
private async Task HandleIncomingData(StreamReader sr)
{
bool thisIsNotAMove = false;
bool weAreHandlingAnInterrupt = false;
bool interruptIsImpossible = false;
List <IgsLine> currentLineBatch = new List <IgsLine>();
while (true)
{
string line;
try
{
line = await sr.ReadLineAsync();
}
catch (Exception)
{
line = null;
}
if (line == null)
{
ConnectionLost();
return;
}
line = line.Trim();
IgsCode code = ExtractCodeFromLine(line);
IgsLine igsLine = new IgsLine(code, line);
Events.OnIncomingLine((weAreHandlingAnInterrupt ? "(INTERRUPT) " : "") + (interruptIsImpossible ? "(INTERRUPT IMPOSSIBLE) " : "") + line);
// IGS occasionally sends blank lines, I don't know why. They serve no reason.
if (line == "")
{
continue;
}
switch (this.Composure)
{
case IgsComposure.Confused:
case IgsComposure.Ok:
case IgsComposure.Disconnected:
// No special mode.
break;
case IgsComposure.InitialHandshake:
if (igsLine.EntireLine.Trim() == "1 5")
{
this.Composure = IgsComposure.Ok;
continue;
}
else
{
// Ignore.
continue;
}
case IgsComposure.LoggingIn:
if (igsLine.EntireLine.Contains("Invalid password."))
{
this.Composure = IgsComposure.Confused;
this._loginError = "The password is incorrect.";
continue;
}
if (igsLine.EntireLine.Contains("Sorry, names can be"))
{
this.Composure = IgsComposure.Confused;
this._loginError = "Your name is too long.";
continue;
}
if (igsLine.EntireLine.Contains("This is a guest account."))
{
this.Composure = IgsComposure.Confused;
this._loginError = "The username does not exist.";
continue;
}
if (igsLine.EntireLine.Contains("1 5"))
{
this.Composure = IgsComposure.Ok;
continue;
}
break;
}
if (igsLine.Code == IgsCode.Error)
{
Events.OnErrorMessageReceived(igsLine.PureLine);
}
currentLineBatch.Add(igsLine);
if (weAreHandlingAnInterrupt && code == IgsCode.Prompt)
{
// Interrupt message is over, let's wait for a new message
weAreHandlingAnInterrupt = false;
HandleFullInterrupt(currentLineBatch);
thisIsNotAMove = false;
interruptIsImpossible = false;
currentLineBatch = new List <IgsLine>();
continue;
}
if (code == IgsCode.Prompt)
{
thisIsNotAMove = false;
currentLineBatch = new List <IgsLine>();
interruptIsImpossible = false;
if (this._ignoreNextPrompt)
{
this._ignoreNextPrompt = false;
continue;
}
}
if (code == IgsCode.Kibitz)
{
weAreHandlingAnInterrupt = true;
continue;
}
if (code == IgsCode.Beep)
{
Events.OnBeep();
continue;
}
if (!interruptIsImpossible)
{
if (code == IgsCode.Tell)
{
if (igsLine.PureLine.StartsWith("*SYSTEM*"))
{
weAreHandlingAnInterrupt = true;
continue;
}
HandleIncomingChatMessage(line);
weAreHandlingAnInterrupt = true;
continue;
}
if (code == IgsCode.SayInformation)
{
weAreHandlingAnInterrupt = true;
continue;
}
if (code == IgsCode.Status)
{
weAreHandlingAnInterrupt = true;
continue;
}
if (code == IgsCode.Shout)
{
HandleIncomingShoutMessage(line);
weAreHandlingAnInterrupt = true;
continue;
}
if (code == IgsCode.StoneRemoval)
{
Tuple <int, Position> removedStone = IgsRegex.ParseStoneRemoval(igsLine);
OnIncomingStoneRemoval(removedStone.Item1, removedStone.Item2);
continue;
}
if (code == IgsCode.Move)
{
var heading = IgsRegex.ParseGameHeading(igsLine);
if (heading != null)
{
this.Data.LastReceivedGameHeading = heading;
}
if (!thisIsNotAMove)
{
HandleIncomingMove(igsLine);
weAreHandlingAnInterrupt = true;
}
continue;
}
if (code == IgsCode.Undo)
{
thisIsNotAMove = true;
weAreHandlingAnInterrupt = true;
continue;
}
}
if (code == IgsCode.Info)
{
// 9 Adding game to observation list.
if (igsLine.EntireLine.Contains("9 Adding game to observation list."))
{
interruptIsImpossible = true;
}
if (!interruptIsImpossible)
{
if (igsLine.PureLine == "yes")
{
// This is "ayt" response, ignore it.
weAreHandlingAnInterrupt = true;
continue;
}
if (igsLine.EntireLine ==
"9 You can check your score with the score command, type 'done' when finished.")
{
weAreHandlingAnInterrupt = true;
continue;
}
if (igsLine.PureLine.Contains("accepted."))
{
weAreHandlingAnInterrupt = true;
continue;
}
if (igsLine.PureLine.Contains("Removing @"))
{
weAreHandlingAnInterrupt = true;
continue;
}
if (igsLine.PureLine.Contains("has run out of time"))
{
weAreHandlingAnInterrupt = true;
string whoRanOutOfTime = IgsRegex.WhoRanOutOfTime(igsLine);
foreach (var game in GetGamesIncluding(whoRanOutOfTime).ToList())
{
game.Controller.IgsConnector.EndTheGame(
GameEndInformation.CreateTimeout(
game.Controller.Players.First(pl => pl.Info.Name == whoRanOutOfTime),
game.Controller.Players)
);
}
continue;
}
if (igsLine.PureLine.Contains("White resigns.}"))
{
int gameInWhichSomebodyResigned = IgsRegex.WhatObservedGameWasResigned(igsLine);
ResignObservedGame(gameInWhichSomebodyResigned, StoneColor.White);
weAreHandlingAnInterrupt = true;
continue;
}
if (igsLine.PureLine.Contains("Black resigns.}"))
{
int gameInWhichSomebodyResigned = IgsRegex.WhatObservedGameWasResigned(igsLine);
ResignObservedGame(gameInWhichSomebodyResigned, StoneColor.Black);
weAreHandlingAnInterrupt = true;
continue;
}
if (igsLine.PureLine.Contains("has resigned the game"))
{
string whoResigned = IgsRegex.WhoResignedTheGame(igsLine);
if (whoResigned != this._username)
{
// .ToList() is used because the collection may be modified
foreach (var game in GetGamesIncluding(whoResigned).ToList())
{
HandleIncomingResignation(game.Info, whoResigned);
}
}
weAreHandlingAnInterrupt = true;
continue;
}
if (igsLine.PureLine.Contains("has typed done."))
{
string username = IgsRegex.GetFirstWord(igsLine);
weAreHandlingAnInterrupt = true;
foreach (var game in GetGamesIncluding(username))
{
var player = game.Controller.Players.First(pl => pl.Info.Name == username);
game.Controller.IgsConnector.RaiseServerSaidDone(player);
}
continue;
}
if (igsLine.PureLine.Contains("Board is restored to what it was when you started scoring"))
{
foreach (
var game in
this.GamesYouHaveOpened.Where(
gi =>
gi.Controller.Phase.Type ==
GamePhaseType.LifeDeathDetermination))
{
GetConnector(game.Info).ForceLifeDeathUndoDeathMarks();
}
weAreHandlingAnInterrupt = true;
continue;
}
if (igsLine.PureLine.Contains("Removed game file"))
{
weAreHandlingAnInterrupt = true;
continue;
}
if (igsLine.PureLine.Contains("game completed."))
{
weAreHandlingAnInterrupt = true;
continue;
}
if (igsLine.PureLine.StartsWith("!!*Pandanet*!!:"))
{
// Advertisement
weAreHandlingAnInterrupt = true;
continue;
}
if (IgsRegex.IsIrrelevantInterruptLine(igsLine))
{
weAreHandlingAnInterrupt = true;
continue;
}
if (igsLine.PureLine.StartsWith("Increase "))
{
weAreHandlingAnInterrupt = true;
string person = IgsRegex.ParseIncreaseXTimeByYMinute(igsLine);
foreach (var game in this.GamesYouHaveOpened)
{
if (game.Info.Black.Name == person ||
game.Info.White.Name == person)
{
MakeUnattendedRequest("refresh " + game.Info.IgsIndex);
}
}
}
if (igsLine.PureLine.EndsWith("declines undo."))
{
string username = IgsRegex.WhoDeclinesUndo(igsLine);
foreach (var game in GetGamesIncluding(username))
{
Events.OnUndoDeclined(game.Info);
}
weAreHandlingAnInterrupt = true;
continue;
}
if (igsLine.PureLine.EndsWith("declines your request for a match."))
{
Events.OnMatchRequestDeclined(igsLine.PureLine.Substring(0, igsLine.PureLine.IndexOf(' ')));
weAreHandlingAnInterrupt = true;
continue;
}
IgsMatchRequest matchRequest = IgsRegex.ParseMatchRequest(igsLine);
if (matchRequest != null)
{
this._incomingMatchRequests.Add(matchRequest);
Events.OnIncomingMatchRequest(matchRequest);
weAreHandlingAnInterrupt = true;
continue;
}
}
}
if (!weAreHandlingAnInterrupt)
{
// We cannot handle this generally - let's hand it off to whoever made the request for this information.
lock (this._mutex)
{
if (this._requestInProgress != null)
{
this._requestInProgress.IncomingLines.Post(igsLine);
}
else
{
if (this.Composure == IgsComposure.Ok)
{
Events.OnUnhandledLine(igsLine.EntireLine);
}
}
}
}
}
}
public IgsLine(IgsCode code, string line)
{
Code = code;
EntireLine = line;
}