2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
140 /* A point in time */
142 long sec; /* Assuming this is >= 32 bits */
143 int ms; /* Assuming this is >= 16 bits */
146 int establish P((void));
147 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
148 char *buf, int count, int error));
149 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
150 char *buf, int count, int error));
151 void ics_printf P((char *format, ...));
152 void SendToICS P((char *s));
153 void SendToICSDelayed P((char *s, long msdelay));
154 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
156 void HandleMachineMove P((char *message, ChessProgramState *cps));
157 int AutoPlayOneMove P((void));
158 int LoadGameOneMove P((ChessMove readAhead));
159 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
160 int LoadPositionFromFile P((char *filename, int n, char *title));
161 int SavePositionToFile P((char *filename));
162 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 void ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 void GetTimeMark P((TimeMark *));
208 long SubtractTimeMarks P((TimeMark *, TimeMark *));
209 int CheckFlags P((void));
210 long NextTickLength P((long));
211 void CheckTimeControl P((void));
212 void show_bytes P((FILE *, char *, int));
213 int string_to_rating P((char *str));
214 void ParseFeatures P((char* args, ChessProgramState *cps));
215 void InitBackEnd3 P((void));
216 void FeatureDone P((ChessProgramState* cps, int val));
217 void InitChessProgram P((ChessProgramState *cps, int setup));
218 void OutputKibitz(int window, char *text);
219 int PerpetualChase(int first, int last);
220 int EngineOutputIsUp();
221 void InitDrawingSizes(int x, int y);
224 extern void ConsoleCreate();
227 ChessProgramState *WhitePlayer();
228 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
229 int VerifyDisplayMode P(());
231 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
232 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
233 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
234 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
235 void ics_update_width P((int new_width));
236 extern char installDir[MSG_SIZ];
238 extern int tinyLayout, smallLayout;
239 ChessProgramStats programStats;
240 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
242 static int exiting = 0; /* [HGM] moved to top */
243 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
244 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
245 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
246 int partnerHighlight[2];
247 Boolean partnerBoardValid = 0;
248 char partnerStatus[MSG_SIZ];
250 Boolean originalFlip;
251 Boolean twoBoards = 0;
252 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
253 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
254 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
255 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
256 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
257 int opponentKibitzes;
258 int lastSavedGame; /* [HGM] save: ID of game */
259 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
260 extern int chatCount;
262 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
264 /* States for ics_getting_history */
266 #define H_REQUESTED 1
267 #define H_GOT_REQ_HEADER 2
268 #define H_GOT_UNREQ_HEADER 3
269 #define H_GETTING_MOVES 4
270 #define H_GOT_UNWANTED_HEADER 5
272 /* whosays values for GameEnds */
281 /* Maximum number of games in a cmail message */
282 #define CMAIL_MAX_GAMES 20
284 /* Different types of move when calling RegisterMove */
286 #define CMAIL_RESIGN 1
288 #define CMAIL_ACCEPT 3
290 /* Different types of result to remember for each game */
291 #define CMAIL_NOT_RESULT 0
292 #define CMAIL_OLD_RESULT 1
293 #define CMAIL_NEW_RESULT 2
295 /* Telnet protocol constants */
306 static char * safeStrCpy( char * dst, const char * src, size_t count )
308 assert( dst != NULL );
309 assert( src != NULL );
312 strncpy( dst, src, count );
313 dst[ count-1 ] = '\0';
317 /* Some compiler can't cast u64 to double
318 * This function do the job for us:
320 * We use the highest bit for cast, this only
321 * works if the highest bit is not
322 * in use (This should not happen)
324 * We used this for all compiler
327 u64ToDouble(u64 value)
330 u64 tmp = value & u64Const(0x7fffffffffffffff);
331 r = (double)(s64)tmp;
332 if (value & u64Const(0x8000000000000000))
333 r += 9.2233720368547758080e18; /* 2^63 */
337 /* Fake up flags for now, as we aren't keeping track of castling
338 availability yet. [HGM] Change of logic: the flag now only
339 indicates the type of castlings allowed by the rule of the game.
340 The actual rights themselves are maintained in the array
341 castlingRights, as part of the game history, and are not probed
347 int flags = F_ALL_CASTLE_OK;
348 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
349 switch (gameInfo.variant) {
351 flags &= ~F_ALL_CASTLE_OK;
352 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
353 flags |= F_IGNORE_CHECK;
355 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
358 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
360 case VariantKriegspiel:
361 flags |= F_KRIEGSPIEL_CAPTURE;
363 case VariantCapaRandom:
364 case VariantFischeRandom:
365 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
366 case VariantNoCastle:
367 case VariantShatranj:
370 flags &= ~F_ALL_CASTLE_OK;
378 FILE *gameFileFP, *debugFP;
381 [AS] Note: sometimes, the sscanf() function is used to parse the input
382 into a fixed-size buffer. Because of this, we must be prepared to
383 receive strings as long as the size of the input buffer, which is currently
384 set to 4K for Windows and 8K for the rest.
385 So, we must either allocate sufficiently large buffers here, or
386 reduce the size of the input buffer in the input reading part.
389 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
390 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
391 char thinkOutput1[MSG_SIZ*10];
393 ChessProgramState first, second;
395 /* premove variables */
398 int premoveFromX = 0;
399 int premoveFromY = 0;
400 int premovePromoChar = 0;
402 Boolean alarmSounded;
403 /* end premove variables */
405 char *ics_prefix = "$";
406 int ics_type = ICS_GENERIC;
408 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
409 int pauseExamForwardMostMove = 0;
410 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
411 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
412 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
413 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
414 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
415 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
416 int whiteFlag = FALSE, blackFlag = FALSE;
417 int userOfferedDraw = FALSE;
418 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
419 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
420 int cmailMoveType[CMAIL_MAX_GAMES];
421 long ics_clock_paused = 0;
422 ProcRef icsPR = NoProc, cmailPR = NoProc;
423 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
424 GameMode gameMode = BeginningOfGame;
425 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
426 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
427 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
428 int hiddenThinkOutputState = 0; /* [AS] */
429 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
430 int adjudicateLossPlies = 6;
431 char white_holding[64], black_holding[64];
432 TimeMark lastNodeCountTime;
433 long lastNodeCount=0;
434 int have_sent_ICS_logon = 0;
436 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
437 long timeControl_2; /* [AS] Allow separate time controls */
438 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
439 long timeRemaining[2][MAX_MOVES];
441 TimeMark programStartTime;
442 char ics_handle[MSG_SIZ];
443 int have_set_title = 0;
445 /* animateTraining preserves the state of appData.animate
446 * when Training mode is activated. This allows the
447 * response to be animated when appData.animate == TRUE and
448 * appData.animateDragging == TRUE.
450 Boolean animateTraining;
456 Board boards[MAX_MOVES];
457 /* [HGM] Following 7 needed for accurate legality tests: */
458 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
459 signed char initialRights[BOARD_FILES];
460 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
461 int initialRulePlies, FENrulePlies;
462 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
465 int mute; // mute all sounds
467 // [HGM] vari: next 12 to save and restore variations
468 #define MAX_VARIATIONS 10
469 int framePtr = MAX_MOVES-1; // points to free stack entry
471 int savedFirst[MAX_VARIATIONS];
472 int savedLast[MAX_VARIATIONS];
473 int savedFramePtr[MAX_VARIATIONS];
474 char *savedDetails[MAX_VARIATIONS];
475 ChessMove savedResult[MAX_VARIATIONS];
477 void PushTail P((int firstMove, int lastMove));
478 Boolean PopTail P((Boolean annotate));
479 void CleanupTail P((void));
481 ChessSquare FIDEArray[2][BOARD_FILES] = {
482 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
483 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
484 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
485 BlackKing, BlackBishop, BlackKnight, BlackRook }
488 ChessSquare twoKingsArray[2][BOARD_FILES] = {
489 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
490 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
491 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
492 BlackKing, BlackKing, BlackKnight, BlackRook }
495 ChessSquare KnightmateArray[2][BOARD_FILES] = {
496 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
497 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
498 { BlackRook, BlackMan, BlackBishop, BlackQueen,
499 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
502 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
503 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
504 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
505 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
506 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
509 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
510 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
511 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
512 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
513 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
516 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
517 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
518 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
519 { BlackRook, BlackKnight, BlackMan, BlackFerz,
520 BlackKing, BlackMan, BlackKnight, BlackRook }
524 #if (BOARD_FILES>=10)
525 ChessSquare ShogiArray[2][BOARD_FILES] = {
526 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
527 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
528 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
529 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
532 ChessSquare XiangqiArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
534 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
535 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
536 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
539 ChessSquare CapablancaArray[2][BOARD_FILES] = {
540 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
541 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
542 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
543 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
546 ChessSquare GreatArray[2][BOARD_FILES] = {
547 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
548 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
549 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
550 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
553 ChessSquare JanusArray[2][BOARD_FILES] = {
554 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
555 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
556 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
557 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
561 ChessSquare GothicArray[2][BOARD_FILES] = {
562 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
563 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
564 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
565 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
568 #define GothicArray CapablancaArray
572 ChessSquare FalconArray[2][BOARD_FILES] = {
573 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
574 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
575 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
576 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
579 #define FalconArray CapablancaArray
582 #else // !(BOARD_FILES>=10)
583 #define XiangqiPosition FIDEArray
584 #define CapablancaArray FIDEArray
585 #define GothicArray FIDEArray
586 #define GreatArray FIDEArray
587 #endif // !(BOARD_FILES>=10)
589 #if (BOARD_FILES>=12)
590 ChessSquare CourierArray[2][BOARD_FILES] = {
591 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
592 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
593 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
594 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
596 #else // !(BOARD_FILES>=12)
597 #define CourierArray CapablancaArray
598 #endif // !(BOARD_FILES>=12)
601 Board initialPosition;
604 /* Convert str to a rating. Checks for special cases of "----",
606 "++++", etc. Also strips ()'s */
608 string_to_rating(str)
611 while(*str && !isdigit(*str)) ++str;
613 return 0; /* One of the special "no rating" cases */
621 /* Init programStats */
622 programStats.movelist[0] = 0;
623 programStats.depth = 0;
624 programStats.nr_moves = 0;
625 programStats.moves_left = 0;
626 programStats.nodes = 0;
627 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
628 programStats.score = 0;
629 programStats.got_only_move = 0;
630 programStats.got_fail = 0;
631 programStats.line_is_book = 0;
637 int matched, min, sec;
639 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
641 GetTimeMark(&programStartTime);
642 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
645 programStats.ok_to_send = 1;
646 programStats.seen_stat = 0;
649 * Initialize game list
655 * Internet chess server status
657 if (appData.icsActive) {
658 appData.matchMode = FALSE;
659 appData.matchGames = 0;
661 appData.noChessProgram = !appData.zippyPlay;
663 appData.zippyPlay = FALSE;
664 appData.zippyTalk = FALSE;
665 appData.noChessProgram = TRUE;
667 if (*appData.icsHelper != NULLCHAR) {
668 appData.useTelnet = TRUE;
669 appData.telnetProgram = appData.icsHelper;
672 appData.zippyTalk = appData.zippyPlay = FALSE;
675 /* [AS] Initialize pv info list [HGM] and game state */
679 for( i=0; i<=framePtr; i++ ) {
680 pvInfoList[i].depth = -1;
681 boards[i][EP_STATUS] = EP_NONE;
682 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
687 * Parse timeControl resource
689 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
690 appData.movesPerSession)) {
692 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
693 DisplayFatalError(buf, 0, 2);
697 * Parse searchTime resource
699 if (*appData.searchTime != NULLCHAR) {
700 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
702 searchTime = min * 60;
703 } else if (matched == 2) {
704 searchTime = min * 60 + sec;
707 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
708 DisplayFatalError(buf, 0, 2);
712 /* [AS] Adjudication threshold */
713 adjudicateLossThreshold = appData.adjudicateLossThreshold;
715 first.which = "first";
716 second.which = "second";
717 first.maybeThinking = second.maybeThinking = FALSE;
718 first.pr = second.pr = NoProc;
719 first.isr = second.isr = NULL;
720 first.sendTime = second.sendTime = 2;
721 first.sendDrawOffers = 1;
722 if (appData.firstPlaysBlack) {
723 first.twoMachinesColor = "black\n";
724 second.twoMachinesColor = "white\n";
726 first.twoMachinesColor = "white\n";
727 second.twoMachinesColor = "black\n";
729 first.program = appData.firstChessProgram;
730 second.program = appData.secondChessProgram;
731 first.host = appData.firstHost;
732 second.host = appData.secondHost;
733 first.dir = appData.firstDirectory;
734 second.dir = appData.secondDirectory;
735 first.other = &second;
736 second.other = &first;
737 first.initString = appData.initString;
738 second.initString = appData.secondInitString;
739 first.computerString = appData.firstComputerString;
740 second.computerString = appData.secondComputerString;
741 first.useSigint = second.useSigint = TRUE;
742 first.useSigterm = second.useSigterm = TRUE;
743 first.reuse = appData.reuseFirst;
744 second.reuse = appData.reuseSecond;
745 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
746 second.nps = appData.secondNPS;
747 first.useSetboard = second.useSetboard = FALSE;
748 first.useSAN = second.useSAN = FALSE;
749 first.usePing = second.usePing = FALSE;
750 first.lastPing = second.lastPing = 0;
751 first.lastPong = second.lastPong = 0;
752 first.usePlayother = second.usePlayother = FALSE;
753 first.useColors = second.useColors = TRUE;
754 first.useUsermove = second.useUsermove = FALSE;
755 first.sendICS = second.sendICS = FALSE;
756 first.sendName = second.sendName = appData.icsActive;
757 first.sdKludge = second.sdKludge = FALSE;
758 first.stKludge = second.stKludge = FALSE;
759 TidyProgramName(first.program, first.host, first.tidy);
760 TidyProgramName(second.program, second.host, second.tidy);
761 first.matchWins = second.matchWins = 0;
762 strcpy(first.variants, appData.variant);
763 strcpy(second.variants, appData.variant);
764 first.analysisSupport = second.analysisSupport = 2; /* detect */
765 first.analyzing = second.analyzing = FALSE;
766 first.initDone = second.initDone = FALSE;
768 /* New features added by Tord: */
769 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
770 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
771 /* End of new features added by Tord. */
772 first.fenOverride = appData.fenOverride1;
773 second.fenOverride = appData.fenOverride2;
775 /* [HGM] time odds: set factor for each machine */
776 first.timeOdds = appData.firstTimeOdds;
777 second.timeOdds = appData.secondTimeOdds;
779 if(appData.timeOddsMode) {
780 norm = first.timeOdds;
781 if(norm > second.timeOdds) norm = second.timeOdds;
783 first.timeOdds /= norm;
784 second.timeOdds /= norm;
787 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
788 first.accumulateTC = appData.firstAccumulateTC;
789 second.accumulateTC = appData.secondAccumulateTC;
790 first.maxNrOfSessions = second.maxNrOfSessions = 1;
793 first.debug = second.debug = FALSE;
794 first.supportsNPS = second.supportsNPS = UNKNOWN;
797 first.optionSettings = appData.firstOptions;
798 second.optionSettings = appData.secondOptions;
800 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
801 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
802 first.isUCI = appData.firstIsUCI; /* [AS] */
803 second.isUCI = appData.secondIsUCI; /* [AS] */
804 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
805 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
807 if (appData.firstProtocolVersion > PROTOVER ||
808 appData.firstProtocolVersion < 1) {
810 sprintf(buf, _("protocol version %d not supported"),
811 appData.firstProtocolVersion);
812 DisplayFatalError(buf, 0, 2);
814 first.protocolVersion = appData.firstProtocolVersion;
817 if (appData.secondProtocolVersion > PROTOVER ||
818 appData.secondProtocolVersion < 1) {
820 sprintf(buf, _("protocol version %d not supported"),
821 appData.secondProtocolVersion);
822 DisplayFatalError(buf, 0, 2);
824 second.protocolVersion = appData.secondProtocolVersion;
827 if (appData.icsActive) {
828 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
829 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
830 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
831 appData.clockMode = FALSE;
832 first.sendTime = second.sendTime = 0;
836 /* Override some settings from environment variables, for backward
837 compatibility. Unfortunately it's not feasible to have the env
838 vars just set defaults, at least in xboard. Ugh.
840 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
845 if (appData.noChessProgram) {
846 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
847 sprintf(programVersion, "%s", PACKAGE_STRING);
849 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
850 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
851 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
854 if (!appData.icsActive) {
856 /* Check for variants that are supported only in ICS mode,
857 or not at all. Some that are accepted here nevertheless
858 have bugs; see comments below.
860 VariantClass variant = StringToVariant(appData.variant);
862 case VariantBughouse: /* need four players and two boards */
863 case VariantKriegspiel: /* need to hide pieces and move details */
864 /* case VariantFischeRandom: (Fabien: moved below) */
865 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
866 DisplayFatalError(buf, 0, 2);
870 case VariantLoadable:
880 sprintf(buf, _("Unknown variant name %s"), appData.variant);
881 DisplayFatalError(buf, 0, 2);
884 case VariantXiangqi: /* [HGM] repetition rules not implemented */
885 case VariantFairy: /* [HGM] TestLegality definitely off! */
886 case VariantGothic: /* [HGM] should work */
887 case VariantCapablanca: /* [HGM] should work */
888 case VariantCourier: /* [HGM] initial forced moves not implemented */
889 case VariantShogi: /* [HGM] drops not tested for legality */
890 case VariantKnightmate: /* [HGM] should work */
891 case VariantCylinder: /* [HGM] untested */
892 case VariantFalcon: /* [HGM] untested */
893 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
894 offboard interposition not understood */
895 case VariantNormal: /* definitely works! */
896 case VariantWildCastle: /* pieces not automatically shuffled */
897 case VariantNoCastle: /* pieces not automatically shuffled */
898 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
899 case VariantLosers: /* should work except for win condition,
900 and doesn't know captures are mandatory */
901 case VariantSuicide: /* should work except for win condition,
902 and doesn't know captures are mandatory */
903 case VariantGiveaway: /* should work except for win condition,
904 and doesn't know captures are mandatory */
905 case VariantTwoKings: /* should work */
906 case VariantAtomic: /* should work except for win condition */
907 case Variant3Check: /* should work except for win condition */
908 case VariantShatranj: /* should work except for all win conditions */
909 case VariantMakruk: /* should work except for daw countdown */
910 case VariantBerolina: /* might work if TestLegality is off */
911 case VariantCapaRandom: /* should work */
912 case VariantJanus: /* should work */
913 case VariantSuper: /* experimental */
914 case VariantGreat: /* experimental, requires legality testing to be off */
919 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
920 InitEngineUCI( installDir, &second );
923 int NextIntegerFromString( char ** str, long * value )
928 while( *s == ' ' || *s == '\t' ) {
934 if( *s >= '0' && *s <= '9' ) {
935 while( *s >= '0' && *s <= '9' ) {
936 *value = *value * 10 + (*s - '0');
948 int NextTimeControlFromString( char ** str, long * value )
951 int result = NextIntegerFromString( str, &temp );
954 *value = temp * 60; /* Minutes */
957 result = NextIntegerFromString( str, &temp );
958 *value += temp; /* Seconds */
965 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
966 { /* [HGM] routine added to read '+moves/time' for secondary time control */
967 int result = -1; long temp, temp2;
969 if(**str != '+') return -1; // old params remain in force!
971 if( NextTimeControlFromString( str, &temp ) ) return -1;
974 /* time only: incremental or sudden-death time control */
975 if(**str == '+') { /* increment follows; read it */
977 if(result = NextIntegerFromString( str, &temp2)) return -1;
980 *moves = 0; *tc = temp * 1000;
982 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
984 (*str)++; /* classical time control */
985 result = NextTimeControlFromString( str, &temp2);
994 int GetTimeQuota(int movenr)
995 { /* [HGM] get time to add from the multi-session time-control string */
996 int moves=1; /* kludge to force reading of first session */
997 long time, increment;
998 char *s = fullTimeControlString;
1000 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
1002 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
1003 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1004 if(movenr == -1) return time; /* last move before new session */
1005 if(!moves) return increment; /* current session is incremental */
1006 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1007 } while(movenr >= -1); /* try again for next session */
1009 return 0; // no new time quota on this move
1013 ParseTimeControl(tc, ti, mps)
1022 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1025 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1026 else sprintf(buf, "+%s+%d", tc, ti);
1029 sprintf(buf, "+%d/%s", mps, tc);
1030 else sprintf(buf, "+%s", tc);
1032 fullTimeControlString = StrSave(buf);
1034 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1039 /* Parse second time control */
1042 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1050 timeControl_2 = tc2 * 1000;
1060 timeControl = tc1 * 1000;
1063 timeIncrement = ti * 1000; /* convert to ms */
1064 movesPerSession = 0;
1067 movesPerSession = mps;
1075 if (appData.debugMode) {
1076 fprintf(debugFP, "%s\n", programVersion);
1079 set_cont_sequence(appData.wrapContSeq);
1080 if (appData.matchGames > 0) {
1081 appData.matchMode = TRUE;
1082 } else if (appData.matchMode) {
1083 appData.matchGames = 1;
1085 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1086 appData.matchGames = appData.sameColorGames;
1087 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1088 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1089 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1092 if (appData.noChessProgram || first.protocolVersion == 1) {
1095 /* kludge: allow timeout for initial "feature" commands */
1097 DisplayMessage("", _("Starting chess program"));
1098 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1103 InitBackEnd3 P((void))
1105 GameMode initialMode;
1109 InitChessProgram(&first, startedFromSetupPosition);
1111 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1112 free(programVersion);
1113 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1114 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1117 if (appData.icsActive) {
1119 /* [DM] Make a console window if needed [HGM] merged ifs */
1124 if (*appData.icsCommPort != NULLCHAR) {
1125 sprintf(buf, _("Could not open comm port %s"),
1126 appData.icsCommPort);
1128 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1129 appData.icsHost, appData.icsPort);
1131 DisplayFatalError(buf, err, 1);
1136 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1138 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1139 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1140 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1141 } else if (appData.noChessProgram) {
1147 if (*appData.cmailGameName != NULLCHAR) {
1149 OpenLoopback(&cmailPR);
1151 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1155 DisplayMessage("", "");
1156 if (StrCaseCmp(appData.initialMode, "") == 0) {
1157 initialMode = BeginningOfGame;
1158 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1159 initialMode = TwoMachinesPlay;
1160 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1161 initialMode = AnalyzeFile;
1162 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1163 initialMode = AnalyzeMode;
1164 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1165 initialMode = MachinePlaysWhite;
1166 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1167 initialMode = MachinePlaysBlack;
1168 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1169 initialMode = EditGame;
1170 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1171 initialMode = EditPosition;
1172 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1173 initialMode = Training;
1175 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1176 DisplayFatalError(buf, 0, 2);
1180 if (appData.matchMode) {
1181 /* Set up machine vs. machine match */
1182 if (appData.noChessProgram) {
1183 DisplayFatalError(_("Can't have a match with no chess programs"),
1189 if (*appData.loadGameFile != NULLCHAR) {
1190 int index = appData.loadGameIndex; // [HGM] autoinc
1191 if(index<0) lastIndex = index = 1;
1192 if (!LoadGameFromFile(appData.loadGameFile,
1194 appData.loadGameFile, FALSE)) {
1195 DisplayFatalError(_("Bad game file"), 0, 1);
1198 } else if (*appData.loadPositionFile != NULLCHAR) {
1199 int index = appData.loadPositionIndex; // [HGM] autoinc
1200 if(index<0) lastIndex = index = 1;
1201 if (!LoadPositionFromFile(appData.loadPositionFile,
1203 appData.loadPositionFile)) {
1204 DisplayFatalError(_("Bad position file"), 0, 1);
1209 } else if (*appData.cmailGameName != NULLCHAR) {
1210 /* Set up cmail mode */
1211 ReloadCmailMsgEvent(TRUE);
1213 /* Set up other modes */
1214 if (initialMode == AnalyzeFile) {
1215 if (*appData.loadGameFile == NULLCHAR) {
1216 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1220 if (*appData.loadGameFile != NULLCHAR) {
1221 (void) LoadGameFromFile(appData.loadGameFile,
1222 appData.loadGameIndex,
1223 appData.loadGameFile, TRUE);
1224 } else if (*appData.loadPositionFile != NULLCHAR) {
1225 (void) LoadPositionFromFile(appData.loadPositionFile,
1226 appData.loadPositionIndex,
1227 appData.loadPositionFile);
1228 /* [HGM] try to make self-starting even after FEN load */
1229 /* to allow automatic setup of fairy variants with wtm */
1230 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1231 gameMode = BeginningOfGame;
1232 setboardSpoiledMachineBlack = 1;
1234 /* [HGM] loadPos: make that every new game uses the setup */
1235 /* from file as long as we do not switch variant */
1236 if(!blackPlaysFirst) {
1237 startedFromPositionFile = TRUE;
1238 CopyBoard(filePosition, boards[0]);
1241 if (initialMode == AnalyzeMode) {
1242 if (appData.noChessProgram) {
1243 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1246 if (appData.icsActive) {
1247 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1251 } else if (initialMode == AnalyzeFile) {
1252 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1253 ShowThinkingEvent();
1255 AnalysisPeriodicEvent(1);
1256 } else if (initialMode == MachinePlaysWhite) {
1257 if (appData.noChessProgram) {
1258 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1262 if (appData.icsActive) {
1263 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1267 MachineWhiteEvent();
1268 } else if (initialMode == MachinePlaysBlack) {
1269 if (appData.noChessProgram) {
1270 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1274 if (appData.icsActive) {
1275 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1279 MachineBlackEvent();
1280 } else if (initialMode == TwoMachinesPlay) {
1281 if (appData.noChessProgram) {
1282 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1286 if (appData.icsActive) {
1287 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1292 } else if (initialMode == EditGame) {
1294 } else if (initialMode == EditPosition) {
1295 EditPositionEvent();
1296 } else if (initialMode == Training) {
1297 if (*appData.loadGameFile == NULLCHAR) {
1298 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1307 * Establish will establish a contact to a remote host.port.
1308 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1309 * used to talk to the host.
1310 * Returns 0 if okay, error code if not.
1317 if (*appData.icsCommPort != NULLCHAR) {
1318 /* Talk to the host through a serial comm port */
1319 return OpenCommPort(appData.icsCommPort, &icsPR);
1321 } else if (*appData.gateway != NULLCHAR) {
1322 if (*appData.remoteShell == NULLCHAR) {
1323 /* Use the rcmd protocol to run telnet program on a gateway host */
1324 snprintf(buf, sizeof(buf), "%s %s %s",
1325 appData.telnetProgram, appData.icsHost, appData.icsPort);
1326 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1329 /* Use the rsh program to run telnet program on a gateway host */
1330 if (*appData.remoteUser == NULLCHAR) {
1331 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1332 appData.gateway, appData.telnetProgram,
1333 appData.icsHost, appData.icsPort);
1335 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1336 appData.remoteShell, appData.gateway,
1337 appData.remoteUser, appData.telnetProgram,
1338 appData.icsHost, appData.icsPort);
1340 return StartChildProcess(buf, "", &icsPR);
1343 } else if (appData.useTelnet) {
1344 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1347 /* TCP socket interface differs somewhat between
1348 Unix and NT; handle details in the front end.
1350 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1354 void EscapeExpand(char *p, char *q)
1355 { // [HGM] initstring: routine to shape up string arguments
1356 while(*p++ = *q++) if(p[-1] == '\\')
1358 case 'n': p[-1] = '\n'; break;
1359 case 'r': p[-1] = '\r'; break;
1360 case 't': p[-1] = '\t'; break;
1361 case '\\': p[-1] = '\\'; break;
1362 case 0: *p = 0; return;
1363 default: p[-1] = q[-1]; break;
1368 show_bytes(fp, buf, count)
1374 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1375 fprintf(fp, "\\%03o", *buf & 0xff);
1384 /* Returns an errno value */
1386 OutputMaybeTelnet(pr, message, count, outError)
1392 char buf[8192], *p, *q, *buflim;
1393 int left, newcount, outcount;
1395 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1396 *appData.gateway != NULLCHAR) {
1397 if (appData.debugMode) {
1398 fprintf(debugFP, ">ICS: ");
1399 show_bytes(debugFP, message, count);
1400 fprintf(debugFP, "\n");
1402 return OutputToProcess(pr, message, count, outError);
1405 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1412 if (appData.debugMode) {
1413 fprintf(debugFP, ">ICS: ");
1414 show_bytes(debugFP, buf, newcount);
1415 fprintf(debugFP, "\n");
1417 outcount = OutputToProcess(pr, buf, newcount, outError);
1418 if (outcount < newcount) return -1; /* to be sure */
1425 } else if (((unsigned char) *p) == TN_IAC) {
1426 *q++ = (char) TN_IAC;
1433 if (appData.debugMode) {
1434 fprintf(debugFP, ">ICS: ");
1435 show_bytes(debugFP, buf, newcount);
1436 fprintf(debugFP, "\n");
1438 outcount = OutputToProcess(pr, buf, newcount, outError);
1439 if (outcount < newcount) return -1; /* to be sure */
1444 read_from_player(isr, closure, message, count, error)
1451 int outError, outCount;
1452 static int gotEof = 0;
1454 /* Pass data read from player on to ICS */
1457 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1458 if (outCount < count) {
1459 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1461 } else if (count < 0) {
1462 RemoveInputSource(isr);
1463 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1464 } else if (gotEof++ > 0) {
1465 RemoveInputSource(isr);
1466 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1472 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1473 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1474 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1475 SendToICS("date\n");
1476 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1479 /* added routine for printf style output to ics */
1480 void ics_printf(char *format, ...)
1482 char buffer[MSG_SIZ];
1485 va_start(args, format);
1486 vsnprintf(buffer, sizeof(buffer), format, args);
1487 buffer[sizeof(buffer)-1] = '\0';
1496 int count, outCount, outError;
1498 if (icsPR == NULL) return;
1501 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1502 if (outCount < count) {
1503 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1507 /* This is used for sending logon scripts to the ICS. Sending
1508 without a delay causes problems when using timestamp on ICC
1509 (at least on my machine). */
1511 SendToICSDelayed(s,msdelay)
1515 int count, outCount, outError;
1517 if (icsPR == NULL) return;
1520 if (appData.debugMode) {
1521 fprintf(debugFP, ">ICS: ");
1522 show_bytes(debugFP, s, count);
1523 fprintf(debugFP, "\n");
1525 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1527 if (outCount < count) {
1528 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1533 /* Remove all highlighting escape sequences in s
1534 Also deletes any suffix starting with '('
1537 StripHighlightAndTitle(s)
1540 static char retbuf[MSG_SIZ];
1543 while (*s != NULLCHAR) {
1544 while (*s == '\033') {
1545 while (*s != NULLCHAR && !isalpha(*s)) s++;
1546 if (*s != NULLCHAR) s++;
1548 while (*s != NULLCHAR && *s != '\033') {
1549 if (*s == '(' || *s == '[') {
1560 /* Remove all highlighting escape sequences in s */
1565 static char retbuf[MSG_SIZ];
1568 while (*s != NULLCHAR) {
1569 while (*s == '\033') {
1570 while (*s != NULLCHAR && !isalpha(*s)) s++;
1571 if (*s != NULLCHAR) s++;
1573 while (*s != NULLCHAR && *s != '\033') {
1581 char *variantNames[] = VARIANT_NAMES;
1586 return variantNames[v];
1590 /* Identify a variant from the strings the chess servers use or the
1591 PGN Variant tag names we use. */
1598 VariantClass v = VariantNormal;
1599 int i, found = FALSE;
1604 /* [HGM] skip over optional board-size prefixes */
1605 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1606 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1607 while( *e++ != '_');
1610 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1614 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1615 if (StrCaseStr(e, variantNames[i])) {
1616 v = (VariantClass) i;
1623 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1624 || StrCaseStr(e, "wild/fr")
1625 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1626 v = VariantFischeRandom;
1627 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1628 (i = 1, p = StrCaseStr(e, "w"))) {
1630 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1637 case 0: /* FICS only, actually */
1639 /* Castling legal even if K starts on d-file */
1640 v = VariantWildCastle;
1645 /* Castling illegal even if K & R happen to start in
1646 normal positions. */
1647 v = VariantNoCastle;
1660 /* Castling legal iff K & R start in normal positions */
1666 /* Special wilds for position setup; unclear what to do here */
1667 v = VariantLoadable;
1670 /* Bizarre ICC game */
1671 v = VariantTwoKings;
1674 v = VariantKriegspiel;
1680 v = VariantFischeRandom;
1683 v = VariantCrazyhouse;
1686 v = VariantBughouse;
1692 /* Not quite the same as FICS suicide! */
1693 v = VariantGiveaway;
1699 v = VariantShatranj;
1702 /* Temporary names for future ICC types. The name *will* change in
1703 the next xboard/WinBoard release after ICC defines it. */
1741 v = VariantCapablanca;
1744 v = VariantKnightmate;
1750 v = VariantCylinder;
1756 v = VariantCapaRandom;
1759 v = VariantBerolina;
1771 /* Found "wild" or "w" in the string but no number;
1772 must assume it's normal chess. */
1776 sprintf(buf, _("Unknown wild type %d"), wnum);
1777 DisplayError(buf, 0);
1783 if (appData.debugMode) {
1784 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1785 e, wnum, VariantName(v));
1790 static int leftover_start = 0, leftover_len = 0;
1791 char star_match[STAR_MATCH_N][MSG_SIZ];
1793 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1794 advance *index beyond it, and set leftover_start to the new value of
1795 *index; else return FALSE. If pattern contains the character '*', it
1796 matches any sequence of characters not containing '\r', '\n', or the
1797 character following the '*' (if any), and the matched sequence(s) are
1798 copied into star_match.
1801 looking_at(buf, index, pattern)
1806 char *bufp = &buf[*index], *patternp = pattern;
1808 char *matchp = star_match[0];
1811 if (*patternp == NULLCHAR) {
1812 *index = leftover_start = bufp - buf;
1816 if (*bufp == NULLCHAR) return FALSE;
1817 if (*patternp == '*') {
1818 if (*bufp == *(patternp + 1)) {
1820 matchp = star_match[++star_count];
1824 } else if (*bufp == '\n' || *bufp == '\r') {
1826 if (*patternp == NULLCHAR)
1831 *matchp++ = *bufp++;
1835 if (*patternp != *bufp) return FALSE;
1842 SendToPlayer(data, length)
1846 int error, outCount;
1847 outCount = OutputToProcess(NoProc, data, length, &error);
1848 if (outCount < length) {
1849 DisplayFatalError(_("Error writing to display"), error, 1);
1854 PackHolding(packed, holding)
1866 switch (runlength) {
1877 sprintf(q, "%d", runlength);
1889 /* Telnet protocol requests from the front end */
1891 TelnetRequest(ddww, option)
1892 unsigned char ddww, option;
1894 unsigned char msg[3];
1895 int outCount, outError;
1897 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1899 if (appData.debugMode) {
1900 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1916 sprintf(buf1, "%d", ddww);
1925 sprintf(buf2, "%d", option);
1928 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1933 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1935 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1942 if (!appData.icsActive) return;
1943 TelnetRequest(TN_DO, TN_ECHO);
1949 if (!appData.icsActive) return;
1950 TelnetRequest(TN_DONT, TN_ECHO);
1954 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1956 /* put the holdings sent to us by the server on the board holdings area */
1957 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1961 if(gameInfo.holdingsWidth < 2) return;
1962 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1963 return; // prevent overwriting by pre-board holdings
1965 if( (int)lowestPiece >= BlackPawn ) {
1968 holdingsStartRow = BOARD_HEIGHT-1;
1971 holdingsColumn = BOARD_WIDTH-1;
1972 countsColumn = BOARD_WIDTH-2;
1973 holdingsStartRow = 0;
1977 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1978 board[i][holdingsColumn] = EmptySquare;
1979 board[i][countsColumn] = (ChessSquare) 0;
1981 while( (p=*holdings++) != NULLCHAR ) {
1982 piece = CharToPiece( ToUpper(p) );
1983 if(piece == EmptySquare) continue;
1984 /*j = (int) piece - (int) WhitePawn;*/
1985 j = PieceToNumber(piece);
1986 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1987 if(j < 0) continue; /* should not happen */
1988 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1989 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1990 board[holdingsStartRow+j*direction][countsColumn]++;
1996 VariantSwitch(Board board, VariantClass newVariant)
1998 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1999 static Board oldBoard;
2001 startedFromPositionFile = FALSE;
2002 if(gameInfo.variant == newVariant) return;
2004 /* [HGM] This routine is called each time an assignment is made to
2005 * gameInfo.variant during a game, to make sure the board sizes
2006 * are set to match the new variant. If that means adding or deleting
2007 * holdings, we shift the playing board accordingly
2008 * This kludge is needed because in ICS observe mode, we get boards
2009 * of an ongoing game without knowing the variant, and learn about the
2010 * latter only later. This can be because of the move list we requested,
2011 * in which case the game history is refilled from the beginning anyway,
2012 * but also when receiving holdings of a crazyhouse game. In the latter
2013 * case we want to add those holdings to the already received position.
2017 if (appData.debugMode) {
2018 fprintf(debugFP, "Switch board from %s to %s\n",
2019 VariantName(gameInfo.variant), VariantName(newVariant));
2020 setbuf(debugFP, NULL);
2022 shuffleOpenings = 0; /* [HGM] shuffle */
2023 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2027 newWidth = 9; newHeight = 9;
2028 gameInfo.holdingsSize = 7;
2029 case VariantBughouse:
2030 case VariantCrazyhouse:
2031 newHoldingsWidth = 2; break;
2035 newHoldingsWidth = 2;
2036 gameInfo.holdingsSize = 8;
2039 case VariantCapablanca:
2040 case VariantCapaRandom:
2043 newHoldingsWidth = gameInfo.holdingsSize = 0;
2046 if(newWidth != gameInfo.boardWidth ||
2047 newHeight != gameInfo.boardHeight ||
2048 newHoldingsWidth != gameInfo.holdingsWidth ) {
2050 /* shift position to new playing area, if needed */
2051 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2052 for(i=0; i<BOARD_HEIGHT; i++)
2053 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2054 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2056 for(i=0; i<newHeight; i++) {
2057 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2058 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2060 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2061 for(i=0; i<BOARD_HEIGHT; i++)
2062 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2063 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2066 gameInfo.boardWidth = newWidth;
2067 gameInfo.boardHeight = newHeight;
2068 gameInfo.holdingsWidth = newHoldingsWidth;
2069 gameInfo.variant = newVariant;
2070 InitDrawingSizes(-2, 0);
2071 } else gameInfo.variant = newVariant;
2072 CopyBoard(oldBoard, board); // remember correctly formatted board
2073 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2074 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2077 static int loggedOn = FALSE;
2079 /*-- Game start info cache: --*/
2081 char gs_kind[MSG_SIZ];
2082 static char player1Name[128] = "";
2083 static char player2Name[128] = "";
2084 static char cont_seq[] = "\n\\ ";
2085 static int player1Rating = -1;
2086 static int player2Rating = -1;
2087 /*----------------------------*/
2089 ColorClass curColor = ColorNormal;
2090 int suppressKibitz = 0;
2093 Boolean soughtPending = FALSE;
2094 Boolean seekGraphUp;
2095 #define MAX_SEEK_ADS 200
2097 char *seekAdList[MAX_SEEK_ADS];
2098 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2099 float tcList[MAX_SEEK_ADS];
2100 char colorList[MAX_SEEK_ADS];
2101 int nrOfSeekAds = 0;
2102 int minRating = 1010, maxRating = 2800;
2103 int hMargin = 10, vMargin = 20, h, w;
2104 extern int squareSize, lineGap;
2109 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2110 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2111 if(r < minRating+100 && r >=0 ) r = minRating+100;
2112 if(r > maxRating) r = maxRating;
2113 if(tc < 1.) tc = 1.;
2114 if(tc > 95.) tc = 95.;
2115 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2116 y = ((double)r - minRating)/(maxRating - minRating)
2117 * (h-vMargin-squareSize/8-1) + vMargin;
2118 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2119 if(strstr(seekAdList[i], " u ")) color = 1;
2120 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2121 !strstr(seekAdList[i], "bullet") &&
2122 !strstr(seekAdList[i], "blitz") &&
2123 !strstr(seekAdList[i], "standard") ) color = 2;
2124 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2125 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2129 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2131 char buf[MSG_SIZ], *ext = "";
2132 VariantClass v = StringToVariant(type);
2133 if(strstr(type, "wild")) {
2134 ext = type + 4; // append wild number
2135 if(v == VariantFischeRandom) type = "chess960"; else
2136 if(v == VariantLoadable) type = "setup"; else
2137 type = VariantName(v);
2139 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2140 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2141 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2142 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2143 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2144 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2145 seekNrList[nrOfSeekAds] = nr;
2146 zList[nrOfSeekAds] = 0;
2147 seekAdList[nrOfSeekAds++] = StrSave(buf);
2148 if(plot) PlotSeekAd(nrOfSeekAds-1);
2155 int x = xList[i], y = yList[i], d=squareSize/4, k;
2156 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2157 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2158 // now replot every dot that overlapped
2159 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2160 int xx = xList[k], yy = yList[k];
2161 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2162 DrawSeekDot(xx, yy, colorList[k]);
2167 RemoveSeekAd(int nr)
2170 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2172 if(seekAdList[i]) free(seekAdList[i]);
2173 seekAdList[i] = seekAdList[--nrOfSeekAds];
2174 seekNrList[i] = seekNrList[nrOfSeekAds];
2175 ratingList[i] = ratingList[nrOfSeekAds];
2176 colorList[i] = colorList[nrOfSeekAds];
2177 tcList[i] = tcList[nrOfSeekAds];
2178 xList[i] = xList[nrOfSeekAds];
2179 yList[i] = yList[nrOfSeekAds];
2180 zList[i] = zList[nrOfSeekAds];
2181 seekAdList[nrOfSeekAds] = NULL;
2187 MatchSoughtLine(char *line)
2189 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2190 int nr, base, inc, u=0; char dummy;
2192 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2193 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2195 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2196 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2197 // match: compact and save the line
2198 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2207 if(!seekGraphUp) return FALSE;
2209 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2210 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2212 DrawSeekBackground(0, 0, w, h);
2213 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2214 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2215 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2216 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2218 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2221 sprintf(buf, "%d", i);
2222 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2225 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2226 for(i=1; i<100; i+=(i<10?1:5)) {
2227 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2228 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2229 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2231 sprintf(buf, "%d", i);
2232 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2235 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2239 int SeekGraphClick(ClickType click, int x, int y, int moving)
2241 static int lastDown = 0, displayed = 0, lastSecond;
2242 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2243 if(click == Release || moving) return FALSE;
2245 soughtPending = TRUE;
2246 SendToICS(ics_prefix);
2247 SendToICS("sought\n"); // should this be "sought all"?
2248 } else { // issue challenge based on clicked ad
2249 int dist = 10000; int i, closest = 0, second = 0;
2250 for(i=0; i<nrOfSeekAds; i++) {
2251 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2252 if(d < dist) { dist = d; closest = i; }
2253 second += (d - zList[i] < 120); // count in-range ads
2254 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2258 second = (second > 1);
2259 if(displayed != closest || second != lastSecond) {
2260 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2261 lastSecond = second; displayed = closest;
2263 if(click == Press) {
2264 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2267 } // on press 'hit', only show info
2268 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2269 sprintf(buf, "play %d\n", seekNrList[closest]);
2270 SendToICS(ics_prefix);
2272 return TRUE; // let incoming board of started game pop down the graph
2273 } else if(click == Release) { // release 'miss' is ignored
2274 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2275 if(moving == 2) { // right up-click
2276 nrOfSeekAds = 0; // refresh graph
2277 soughtPending = TRUE;
2278 SendToICS(ics_prefix);
2279 SendToICS("sought\n"); // should this be "sought all"?
2282 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2283 // press miss or release hit 'pop down' seek graph
2284 seekGraphUp = FALSE;
2285 DrawPosition(TRUE, NULL);
2291 read_from_ics(isr, closure, data, count, error)
2298 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2299 #define STARTED_NONE 0
2300 #define STARTED_MOVES 1
2301 #define STARTED_BOARD 2
2302 #define STARTED_OBSERVE 3
2303 #define STARTED_HOLDINGS 4
2304 #define STARTED_CHATTER 5
2305 #define STARTED_COMMENT 6
2306 #define STARTED_MOVES_NOHIDE 7
2308 static int started = STARTED_NONE;
2309 static char parse[20000];
2310 static int parse_pos = 0;
2311 static char buf[BUF_SIZE + 1];
2312 static int firstTime = TRUE, intfSet = FALSE;
2313 static ColorClass prevColor = ColorNormal;
2314 static int savingComment = FALSE;
2315 static int cmatch = 0; // continuation sequence match
2322 int backup; /* [DM] For zippy color lines */
2324 char talker[MSG_SIZ]; // [HGM] chat
2327 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2329 if (appData.debugMode) {
2331 fprintf(debugFP, "<ICS: ");
2332 show_bytes(debugFP, data, count);
2333 fprintf(debugFP, "\n");
2337 if (appData.debugMode) { int f = forwardMostMove;
2338 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2339 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2340 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2343 /* If last read ended with a partial line that we couldn't parse,
2344 prepend it to the new read and try again. */
2345 if (leftover_len > 0) {
2346 for (i=0; i<leftover_len; i++)
2347 buf[i] = buf[leftover_start + i];
2350 /* copy new characters into the buffer */
2351 bp = buf + leftover_len;
2352 buf_len=leftover_len;
2353 for (i=0; i<count; i++)
2356 if (data[i] == '\r')
2359 // join lines split by ICS?
2360 if (!appData.noJoin)
2363 Joining just consists of finding matches against the
2364 continuation sequence, and discarding that sequence
2365 if found instead of copying it. So, until a match
2366 fails, there's nothing to do since it might be the
2367 complete sequence, and thus, something we don't want
2370 if (data[i] == cont_seq[cmatch])
2373 if (cmatch == strlen(cont_seq))
2375 cmatch = 0; // complete match. just reset the counter
2378 it's possible for the ICS to not include the space
2379 at the end of the last word, making our [correct]
2380 join operation fuse two separate words. the server
2381 does this when the space occurs at the width setting.
2383 if (!buf_len || buf[buf_len-1] != ' ')
2394 match failed, so we have to copy what matched before
2395 falling through and copying this character. In reality,
2396 this will only ever be just the newline character, but
2397 it doesn't hurt to be precise.
2399 strncpy(bp, cont_seq, cmatch);
2411 buf[buf_len] = NULLCHAR;
2412 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2417 while (i < buf_len) {
2418 /* Deal with part of the TELNET option negotiation
2419 protocol. We refuse to do anything beyond the
2420 defaults, except that we allow the WILL ECHO option,
2421 which ICS uses to turn off password echoing when we are
2422 directly connected to it. We reject this option
2423 if localLineEditing mode is on (always on in xboard)
2424 and we are talking to port 23, which might be a real
2425 telnet server that will try to keep WILL ECHO on permanently.
2427 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2428 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2429 unsigned char option;
2431 switch ((unsigned char) buf[++i]) {
2433 if (appData.debugMode)
2434 fprintf(debugFP, "\n<WILL ");
2435 switch (option = (unsigned char) buf[++i]) {
2437 if (appData.debugMode)
2438 fprintf(debugFP, "ECHO ");
2439 /* Reply only if this is a change, according
2440 to the protocol rules. */
2441 if (remoteEchoOption) break;
2442 if (appData.localLineEditing &&
2443 atoi(appData.icsPort) == TN_PORT) {
2444 TelnetRequest(TN_DONT, TN_ECHO);
2447 TelnetRequest(TN_DO, TN_ECHO);
2448 remoteEchoOption = TRUE;
2452 if (appData.debugMode)
2453 fprintf(debugFP, "%d ", option);
2454 /* Whatever this is, we don't want it. */
2455 TelnetRequest(TN_DONT, option);
2460 if (appData.debugMode)
2461 fprintf(debugFP, "\n<WONT ");
2462 switch (option = (unsigned char) buf[++i]) {
2464 if (appData.debugMode)
2465 fprintf(debugFP, "ECHO ");
2466 /* Reply only if this is a change, according
2467 to the protocol rules. */
2468 if (!remoteEchoOption) break;
2470 TelnetRequest(TN_DONT, TN_ECHO);
2471 remoteEchoOption = FALSE;
2474 if (appData.debugMode)
2475 fprintf(debugFP, "%d ", (unsigned char) option);
2476 /* Whatever this is, it must already be turned
2477 off, because we never agree to turn on
2478 anything non-default, so according to the
2479 protocol rules, we don't reply. */
2484 if (appData.debugMode)
2485 fprintf(debugFP, "\n<DO ");
2486 switch (option = (unsigned char) buf[++i]) {
2488 /* Whatever this is, we refuse to do it. */
2489 if (appData.debugMode)
2490 fprintf(debugFP, "%d ", option);
2491 TelnetRequest(TN_WONT, option);
2496 if (appData.debugMode)
2497 fprintf(debugFP, "\n<DONT ");
2498 switch (option = (unsigned char) buf[++i]) {
2500 if (appData.debugMode)
2501 fprintf(debugFP, "%d ", option);
2502 /* Whatever this is, we are already not doing
2503 it, because we never agree to do anything
2504 non-default, so according to the protocol
2505 rules, we don't reply. */
2510 if (appData.debugMode)
2511 fprintf(debugFP, "\n<IAC ");
2512 /* Doubled IAC; pass it through */
2516 if (appData.debugMode)
2517 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2518 /* Drop all other telnet commands on the floor */
2521 if (oldi > next_out)
2522 SendToPlayer(&buf[next_out], oldi - next_out);
2528 /* OK, this at least will *usually* work */
2529 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2533 if (loggedOn && !intfSet) {
2534 if (ics_type == ICS_ICC) {
2536 "/set-quietly interface %s\n/set-quietly style 12\n",
2538 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2539 strcat(str, "/set-2 51 1\n/set seek 1\n");
2540 } else if (ics_type == ICS_CHESSNET) {
2541 sprintf(str, "/style 12\n");
2543 strcpy(str, "alias $ @\n$set interface ");
2544 strcat(str, programVersion);
2545 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2546 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2547 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2549 strcat(str, "$iset nohighlight 1\n");
2551 strcat(str, "$iset lock 1\n$style 12\n");
2554 NotifyFrontendLogin();
2558 if (started == STARTED_COMMENT) {
2559 /* Accumulate characters in comment */
2560 parse[parse_pos++] = buf[i];
2561 if (buf[i] == '\n') {
2562 parse[parse_pos] = NULLCHAR;
2563 if(chattingPartner>=0) {
2565 sprintf(mess, "%s%s", talker, parse);
2566 OutputChatMessage(chattingPartner, mess);
2567 chattingPartner = -1;
2568 next_out = i+1; // [HGM] suppress printing in ICS window
2570 if(!suppressKibitz) // [HGM] kibitz
2571 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2572 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2573 int nrDigit = 0, nrAlph = 0, j;
2574 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2575 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2576 parse[parse_pos] = NULLCHAR;
2577 // try to be smart: if it does not look like search info, it should go to
2578 // ICS interaction window after all, not to engine-output window.
2579 for(j=0; j<parse_pos; j++) { // count letters and digits
2580 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2581 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2582 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2584 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2585 int depth=0; float score;
2586 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2587 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2588 pvInfoList[forwardMostMove-1].depth = depth;
2589 pvInfoList[forwardMostMove-1].score = 100*score;
2591 OutputKibitz(suppressKibitz, parse);
2594 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2595 SendToPlayer(tmp, strlen(tmp));
2597 next_out = i+1; // [HGM] suppress printing in ICS window
2599 started = STARTED_NONE;
2601 /* Don't match patterns against characters in comment */
2606 if (started == STARTED_CHATTER) {
2607 if (buf[i] != '\n') {
2608 /* Don't match patterns against characters in chatter */
2612 started = STARTED_NONE;
2613 if(suppressKibitz) next_out = i+1;
2616 /* Kludge to deal with rcmd protocol */
2617 if (firstTime && looking_at(buf, &i, "\001*")) {
2618 DisplayFatalError(&buf[1], 0, 1);
2624 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2627 if (appData.debugMode)
2628 fprintf(debugFP, "ics_type %d\n", ics_type);
2631 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2632 ics_type = ICS_FICS;
2634 if (appData.debugMode)
2635 fprintf(debugFP, "ics_type %d\n", ics_type);
2638 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2639 ics_type = ICS_CHESSNET;
2641 if (appData.debugMode)
2642 fprintf(debugFP, "ics_type %d\n", ics_type);
2647 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2648 looking_at(buf, &i, "Logging you in as \"*\"") ||
2649 looking_at(buf, &i, "will be \"*\""))) {
2650 strcpy(ics_handle, star_match[0]);
2654 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2656 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2657 DisplayIcsInteractionTitle(buf);
2658 have_set_title = TRUE;
2661 /* skip finger notes */
2662 if (started == STARTED_NONE &&
2663 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2664 (buf[i] == '1' && buf[i+1] == '0')) &&
2665 buf[i+2] == ':' && buf[i+3] == ' ') {
2666 started = STARTED_CHATTER;
2672 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2673 if(appData.seekGraph) {
2674 if(soughtPending && MatchSoughtLine(buf+i)) {
2675 i = strstr(buf+i, "rated") - buf;
2676 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2677 next_out = leftover_start = i;
2678 started = STARTED_CHATTER;
2679 suppressKibitz = TRUE;
2682 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2683 && looking_at(buf, &i, "* ads displayed")) {
2684 soughtPending = FALSE;
2689 if(appData.autoRefresh) {
2690 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2691 int s = (ics_type == ICS_ICC); // ICC format differs
2693 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2694 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2695 looking_at(buf, &i, "*% "); // eat prompt
2696 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2697 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2698 next_out = i; // suppress
2701 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2702 char *p = star_match[0];
2704 if(seekGraphUp) RemoveSeekAd(atoi(p));
2705 while(*p && *p++ != ' '); // next
2707 looking_at(buf, &i, "*% "); // eat prompt
2708 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2715 /* skip formula vars */
2716 if (started == STARTED_NONE &&
2717 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2718 started = STARTED_CHATTER;
2723 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2724 if (appData.autoKibitz && started == STARTED_NONE &&
2725 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2726 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2727 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2728 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2729 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2730 suppressKibitz = TRUE;
2731 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2733 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2734 && (gameMode == IcsPlayingWhite)) ||
2735 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2736 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2737 started = STARTED_CHATTER; // own kibitz we simply discard
2739 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2740 parse_pos = 0; parse[0] = NULLCHAR;
2741 savingComment = TRUE;
2742 suppressKibitz = gameMode != IcsObserving ? 2 :
2743 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2747 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2748 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2749 && atoi(star_match[0])) {
2750 // suppress the acknowledgements of our own autoKibitz
2752 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2753 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2754 SendToPlayer(star_match[0], strlen(star_match[0]));
2755 if(looking_at(buf, &i, "*% ")) // eat prompt
2756 suppressKibitz = FALSE;
2760 } // [HGM] kibitz: end of patch
2762 // [HGM] chat: intercept tells by users for which we have an open chat window
2764 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2765 looking_at(buf, &i, "* whispers:") ||
2766 looking_at(buf, &i, "* kibitzes:") ||
2767 looking_at(buf, &i, "* shouts:") ||
2768 looking_at(buf, &i, "* c-shouts:") ||
2769 looking_at(buf, &i, "--> * ") ||
2770 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2771 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2772 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2773 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2775 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2776 chattingPartner = -1;
2778 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2779 for(p=0; p<MAX_CHAT; p++) {
2780 if(channel == atoi(chatPartner[p])) {
2781 talker[0] = '['; strcat(talker, "] ");
2782 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2783 chattingPartner = p; break;
2786 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2787 for(p=0; p<MAX_CHAT; p++) {
2788 if(!strcmp("kibitzes", chatPartner[p])) {
2789 talker[0] = '['; strcat(talker, "] ");
2790 chattingPartner = p; break;
2793 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2794 for(p=0; p<MAX_CHAT; p++) {
2795 if(!strcmp("whispers", chatPartner[p])) {
2796 talker[0] = '['; strcat(talker, "] ");
2797 chattingPartner = p; break;
2800 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2801 if(buf[i-8] == '-' && buf[i-3] == 't')
2802 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2803 if(!strcmp("c-shouts", chatPartner[p])) {
2804 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2805 chattingPartner = p; break;
2808 if(chattingPartner < 0)
2809 for(p=0; p<MAX_CHAT; p++) {
2810 if(!strcmp("shouts", chatPartner[p])) {
2811 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2812 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2813 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2814 chattingPartner = p; break;
2818 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2819 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2820 talker[0] = 0; Colorize(ColorTell, FALSE);
2821 chattingPartner = p; break;
2823 if(chattingPartner<0) i = oldi; else {
2824 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2825 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2826 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2827 started = STARTED_COMMENT;
2828 parse_pos = 0; parse[0] = NULLCHAR;
2829 savingComment = 3 + chattingPartner; // counts as TRUE
2830 suppressKibitz = TRUE;
2833 } // [HGM] chat: end of patch
2835 if (appData.zippyTalk || appData.zippyPlay) {
2836 /* [DM] Backup address for color zippy lines */
2840 if (loggedOn == TRUE)
2841 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2842 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2844 if (ZippyControl(buf, &i) ||
2845 ZippyConverse(buf, &i) ||
2846 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2848 if (!appData.colorize) continue;
2852 } // [DM] 'else { ' deleted
2854 /* Regular tells and says */
2855 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2856 looking_at(buf, &i, "* (your partner) tells you: ") ||
2857 looking_at(buf, &i, "* says: ") ||
2858 /* Don't color "message" or "messages" output */
2859 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2860 looking_at(buf, &i, "*. * at *:*: ") ||
2861 looking_at(buf, &i, "--* (*:*): ") ||
2862 /* Message notifications (same color as tells) */
2863 looking_at(buf, &i, "* has left a message ") ||
2864 looking_at(buf, &i, "* just sent you a message:\n") ||
2865 /* Whispers and kibitzes */
2866 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2867 looking_at(buf, &i, "* kibitzes: ") ||
2869 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2871 if (tkind == 1 && strchr(star_match[0], ':')) {
2872 /* Avoid "tells you:" spoofs in channels */
2875 if (star_match[0][0] == NULLCHAR ||
2876 strchr(star_match[0], ' ') ||
2877 (tkind == 3 && strchr(star_match[1], ' '))) {
2878 /* Reject bogus matches */
2881 if (appData.colorize) {
2882 if (oldi > next_out) {
2883 SendToPlayer(&buf[next_out], oldi - next_out);
2888 Colorize(ColorTell, FALSE);
2889 curColor = ColorTell;
2892 Colorize(ColorKibitz, FALSE);
2893 curColor = ColorKibitz;
2896 p = strrchr(star_match[1], '(');
2903 Colorize(ColorChannel1, FALSE);
2904 curColor = ColorChannel1;
2906 Colorize(ColorChannel, FALSE);
2907 curColor = ColorChannel;
2911 curColor = ColorNormal;
2915 if (started == STARTED_NONE && appData.autoComment &&
2916 (gameMode == IcsObserving ||
2917 gameMode == IcsPlayingWhite ||
2918 gameMode == IcsPlayingBlack)) {
2919 parse_pos = i - oldi;
2920 memcpy(parse, &buf[oldi], parse_pos);
2921 parse[parse_pos] = NULLCHAR;
2922 started = STARTED_COMMENT;
2923 savingComment = TRUE;
2925 started = STARTED_CHATTER;
2926 savingComment = FALSE;
2933 if (looking_at(buf, &i, "* s-shouts: ") ||
2934 looking_at(buf, &i, "* c-shouts: ")) {
2935 if (appData.colorize) {
2936 if (oldi > next_out) {
2937 SendToPlayer(&buf[next_out], oldi - next_out);
2940 Colorize(ColorSShout, FALSE);
2941 curColor = ColorSShout;
2944 started = STARTED_CHATTER;
2948 if (looking_at(buf, &i, "--->")) {
2953 if (looking_at(buf, &i, "* shouts: ") ||
2954 looking_at(buf, &i, "--> ")) {
2955 if (appData.colorize) {
2956 if (oldi > next_out) {
2957 SendToPlayer(&buf[next_out], oldi - next_out);
2960 Colorize(ColorShout, FALSE);
2961 curColor = ColorShout;
2964 started = STARTED_CHATTER;
2968 if (looking_at( buf, &i, "Challenge:")) {
2969 if (appData.colorize) {
2970 if (oldi > next_out) {
2971 SendToPlayer(&buf[next_out], oldi - next_out);
2974 Colorize(ColorChallenge, FALSE);
2975 curColor = ColorChallenge;
2981 if (looking_at(buf, &i, "* offers you") ||
2982 looking_at(buf, &i, "* offers to be") ||
2983 looking_at(buf, &i, "* would like to") ||
2984 looking_at(buf, &i, "* requests to") ||
2985 looking_at(buf, &i, "Your opponent offers") ||
2986 looking_at(buf, &i, "Your opponent requests")) {
2988 if (appData.colorize) {
2989 if (oldi > next_out) {
2990 SendToPlayer(&buf[next_out], oldi - next_out);
2993 Colorize(ColorRequest, FALSE);
2994 curColor = ColorRequest;
2999 if (looking_at(buf, &i, "* (*) seeking")) {
3000 if (appData.colorize) {
3001 if (oldi > next_out) {
3002 SendToPlayer(&buf[next_out], oldi - next_out);
3005 Colorize(ColorSeek, FALSE);
3006 curColor = ColorSeek;
3011 if (looking_at(buf, &i, "\\ ")) {
3012 if (prevColor != ColorNormal) {
3013 if (oldi > next_out) {
3014 SendToPlayer(&buf[next_out], oldi - next_out);
3017 Colorize(prevColor, TRUE);
3018 curColor = prevColor;
3020 if (savingComment) {
3021 parse_pos = i - oldi;
3022 memcpy(parse, &buf[oldi], parse_pos);
3023 parse[parse_pos] = NULLCHAR;
3024 started = STARTED_COMMENT;
3025 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3026 chattingPartner = savingComment - 3; // kludge to remember the box
3028 started = STARTED_CHATTER;
3033 if (looking_at(buf, &i, "Black Strength :") ||
3034 looking_at(buf, &i, "<<< style 10 board >>>") ||
3035 looking_at(buf, &i, "<10>") ||
3036 looking_at(buf, &i, "#@#")) {
3037 /* Wrong board style */
3039 SendToICS(ics_prefix);
3040 SendToICS("set style 12\n");
3041 SendToICS(ics_prefix);
3042 SendToICS("refresh\n");
3046 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3048 have_sent_ICS_logon = 1;
3052 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3053 (looking_at(buf, &i, "\n<12> ") ||
3054 looking_at(buf, &i, "<12> "))) {
3056 if (oldi > next_out) {
3057 SendToPlayer(&buf[next_out], oldi - next_out);
3060 started = STARTED_BOARD;
3065 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3066 looking_at(buf, &i, "<b1> ")) {
3067 if (oldi > next_out) {
3068 SendToPlayer(&buf[next_out], oldi - next_out);
3071 started = STARTED_HOLDINGS;
3076 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3078 /* Header for a move list -- first line */
3080 switch (ics_getting_history) {
3084 case BeginningOfGame:
3085 /* User typed "moves" or "oldmoves" while we
3086 were idle. Pretend we asked for these
3087 moves and soak them up so user can step
3088 through them and/or save them.
3091 gameMode = IcsObserving;
3094 ics_getting_history = H_GOT_UNREQ_HEADER;
3096 case EditGame: /*?*/
3097 case EditPosition: /*?*/
3098 /* Should above feature work in these modes too? */
3099 /* For now it doesn't */
3100 ics_getting_history = H_GOT_UNWANTED_HEADER;
3103 ics_getting_history = H_GOT_UNWANTED_HEADER;
3108 /* Is this the right one? */
3109 if (gameInfo.white && gameInfo.black &&
3110 strcmp(gameInfo.white, star_match[0]) == 0 &&
3111 strcmp(gameInfo.black, star_match[2]) == 0) {
3113 ics_getting_history = H_GOT_REQ_HEADER;
3116 case H_GOT_REQ_HEADER:
3117 case H_GOT_UNREQ_HEADER:
3118 case H_GOT_UNWANTED_HEADER:
3119 case H_GETTING_MOVES:
3120 /* Should not happen */
3121 DisplayError(_("Error gathering move list: two headers"), 0);
3122 ics_getting_history = H_FALSE;
3126 /* Save player ratings into gameInfo if needed */
3127 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3128 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3129 (gameInfo.whiteRating == -1 ||
3130 gameInfo.blackRating == -1)) {
3132 gameInfo.whiteRating = string_to_rating(star_match[1]);
3133 gameInfo.blackRating = string_to_rating(star_match[3]);
3134 if (appData.debugMode)
3135 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3136 gameInfo.whiteRating, gameInfo.blackRating);
3141 if (looking_at(buf, &i,
3142 "* * match, initial time: * minute*, increment: * second")) {
3143 /* Header for a move list -- second line */
3144 /* Initial board will follow if this is a wild game */
3145 if (gameInfo.event != NULL) free(gameInfo.event);
3146 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3147 gameInfo.event = StrSave(str);
3148 /* [HGM] we switched variant. Translate boards if needed. */
3149 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3153 if (looking_at(buf, &i, "Move ")) {
3154 /* Beginning of a move list */
3155 switch (ics_getting_history) {
3157 /* Normally should not happen */
3158 /* Maybe user hit reset while we were parsing */
3161 /* Happens if we are ignoring a move list that is not
3162 * the one we just requested. Common if the user
3163 * tries to observe two games without turning off
3166 case H_GETTING_MOVES:
3167 /* Should not happen */
3168 DisplayError(_("Error gathering move list: nested"), 0);
3169 ics_getting_history = H_FALSE;
3171 case H_GOT_REQ_HEADER:
3172 ics_getting_history = H_GETTING_MOVES;
3173 started = STARTED_MOVES;
3175 if (oldi > next_out) {
3176 SendToPlayer(&buf[next_out], oldi - next_out);
3179 case H_GOT_UNREQ_HEADER:
3180 ics_getting_history = H_GETTING_MOVES;
3181 started = STARTED_MOVES_NOHIDE;
3184 case H_GOT_UNWANTED_HEADER:
3185 ics_getting_history = H_FALSE;
3191 if (looking_at(buf, &i, "% ") ||
3192 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3193 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3194 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3195 soughtPending = FALSE;
3199 if(suppressKibitz) next_out = i;
3200 savingComment = FALSE;
3204 case STARTED_MOVES_NOHIDE:
3205 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3206 parse[parse_pos + i - oldi] = NULLCHAR;
3207 ParseGameHistory(parse);
3209 if (appData.zippyPlay && first.initDone) {
3210 FeedMovesToProgram(&first, forwardMostMove);
3211 if (gameMode == IcsPlayingWhite) {
3212 if (WhiteOnMove(forwardMostMove)) {
3213 if (first.sendTime) {
3214 if (first.useColors) {
3215 SendToProgram("black\n", &first);
3217 SendTimeRemaining(&first, TRUE);
3219 if (first.useColors) {
3220 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3222 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3223 first.maybeThinking = TRUE;
3225 if (first.usePlayother) {
3226 if (first.sendTime) {
3227 SendTimeRemaining(&first, TRUE);
3229 SendToProgram("playother\n", &first);
3235 } else if (gameMode == IcsPlayingBlack) {
3236 if (!WhiteOnMove(forwardMostMove)) {
3237 if (first.sendTime) {
3238 if (first.useColors) {
3239 SendToProgram("white\n", &first);
3241 SendTimeRemaining(&first, FALSE);
3243 if (first.useColors) {
3244 SendToProgram("black\n", &first);
3246 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3247 first.maybeThinking = TRUE;
3249 if (first.usePlayother) {
3250 if (first.sendTime) {
3251 SendTimeRemaining(&first, FALSE);
3253 SendToProgram("playother\n", &first);
3262 if (gameMode == IcsObserving && ics_gamenum == -1) {
3263 /* Moves came from oldmoves or moves command
3264 while we weren't doing anything else.
3266 currentMove = forwardMostMove;
3267 ClearHighlights();/*!!could figure this out*/
3268 flipView = appData.flipView;
3269 DrawPosition(TRUE, boards[currentMove]);
3270 DisplayBothClocks();
3271 sprintf(str, "%s vs. %s",
3272 gameInfo.white, gameInfo.black);
3276 /* Moves were history of an active game */
3277 if (gameInfo.resultDetails != NULL) {
3278 free(gameInfo.resultDetails);
3279 gameInfo.resultDetails = NULL;
3282 HistorySet(parseList, backwardMostMove,
3283 forwardMostMove, currentMove-1);
3284 DisplayMove(currentMove - 1);
3285 if (started == STARTED_MOVES) next_out = i;
3286 started = STARTED_NONE;
3287 ics_getting_history = H_FALSE;
3290 case STARTED_OBSERVE:
3291 started = STARTED_NONE;
3292 SendToICS(ics_prefix);
3293 SendToICS("refresh\n");
3299 if(bookHit) { // [HGM] book: simulate book reply
3300 static char bookMove[MSG_SIZ]; // a bit generous?
3302 programStats.nodes = programStats.depth = programStats.time =
3303 programStats.score = programStats.got_only_move = 0;
3304 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3306 strcpy(bookMove, "move ");
3307 strcat(bookMove, bookHit);
3308 HandleMachineMove(bookMove, &first);
3313 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3314 started == STARTED_HOLDINGS ||
3315 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3316 /* Accumulate characters in move list or board */
3317 parse[parse_pos++] = buf[i];
3320 /* Start of game messages. Mostly we detect start of game
3321 when the first board image arrives. On some versions
3322 of the ICS, though, we need to do a "refresh" after starting
3323 to observe in order to get the current board right away. */
3324 if (looking_at(buf, &i, "Adding game * to observation list")) {
3325 started = STARTED_OBSERVE;
3329 /* Handle auto-observe */
3330 if (appData.autoObserve &&
3331 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3332 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3334 /* Choose the player that was highlighted, if any. */
3335 if (star_match[0][0] == '\033' ||
3336 star_match[1][0] != '\033') {
3337 player = star_match[0];
3339 player = star_match[2];
3341 sprintf(str, "%sobserve %s\n",
3342 ics_prefix, StripHighlightAndTitle(player));