21 /* Sleep 5 seconds after a game ends to give time to kill the program. */
22 #define GAME_OVER_SLEEP 5
25 gtp_prefix(char prefix
, int id
)
27 if (id
== NO_REPLY
) return;
29 printf("%c%d ", prefix
, id
);
31 printf("%c ", prefix
);
42 gtp_output(char prefix
, int id
, va_list params
)
44 if (id
== NO_REPLY
) return;
45 gtp_prefix(prefix
, id
);
47 while ((s
= va_arg(params
, char *))) {
55 gtp_reply(int id
, ...)
59 gtp_output('=', id
, params
);
64 gtp_error(int id
, ...)
68 gtp_output('?', id
, params
);
73 /* XXX: THIS IS TOTALLY INSECURE!!!!
74 * Even basic input checking is missing. */
77 gtp_parse(struct board
*board
, struct engine
*engine
, struct time_info
*ti
, char *buf
)
79 #define next_tok(to_) \
81 next = next + strcspn(next, " \t\r\n"); \
84 next += strspn(next, " \t\r\n"); \
88 *strchr(buf
, '#') = 0;
90 char *cmd
, *next
= buf
;
102 if (!strcasecmp(cmd
, "protocol_version")) {
103 gtp_reply(id
, "2", NULL
);
106 } else if (!strcasecmp(cmd
, "name")) {
108 gtp_reply(id
, "Pachi ", engine
->name
, NULL
);
111 } else if (!strcasecmp(cmd
, "version")) {
112 gtp_reply(id
, PACHI_VERSION
, ": ", engine
->comment
, NULL
);
115 /* TODO: known_command */
117 } else if (!strcasecmp(cmd
, "list_commands")) {
118 /* The internal command pachi-genmoves is not exported,
119 * it should only be used between master and slaves of
120 * the distributed engine. */
121 gtp_reply(id
, "protocol_version\n"
133 "kgs-genmove_cleanup\n"
134 "set_free_handicap\n"
135 "place_free_handicap\n"
136 "final_status_list\n"
140 "kgs-time_settings", NULL
);
144 if (engine
->notify
) {
146 enum parse_code c
= engine
->notify(engine
, board
, id
, cmd
, next
, &reply
);
147 if (c
== P_NOREPLY
) {
149 } else if (c
== P_DONE_OK
) {
150 gtp_reply(id
, reply
, NULL
);
152 } else if (c
== P_DONE_ERROR
) {
153 gtp_error(id
, reply
, NULL
);
154 /* This is an internal error for the engine, but
155 * it is still OK from main's point of view. */
157 } else if (c
!= P_OK
) {
162 if (!strcasecmp(cmd
, "quit")) {
166 } else if (!strcasecmp(cmd
, "boardsize")) {
169 board_resize(board
, atoi(arg
));
173 } else if (!strcasecmp(cmd
, "clear_board") || !strcasecmp(cmd
, "kgs-game_over")) {
176 board_print(board
, stderr
);
177 if (!strcasecmp(cmd
, "kgs-game_over")) {
179 fprintf(stderr
, "game is over\n");
180 /* Sleep before replying, so that kgs doesn't
181 * start another game immediately. */
182 sleep(GAME_OVER_SLEEP
);
185 return P_ENGINE_RESET
;
187 } else if (!strcasecmp(cmd
, "komi")) {
190 sscanf(arg
, "%f", &board
->komi
);
193 board_print(board
, stderr
);
196 } else if (!strcasecmp(cmd
, "kgs-rules")) {
199 if (!strcasecmp(arg
, "japanese")) {
200 board
->rules
= RULES_JAPANESE
;
201 } else if (!strcasecmp(arg
, "chinese")) {
202 board
->rules
= RULES_CHINESE
;
203 } else if (!strcasecmp(arg
, "aga")) {
204 board
->rules
= RULES_AGA
;
205 } else if (!strcasecmp(arg
, "new_zealand")) {
206 board
->rules
= RULES_NEW_ZEALAND
;
208 gtp_error(id
, "unknown rules", NULL
);
213 } else if (!strcasecmp(cmd
, "play")) {
218 m
.color
= str2stone(arg
);
220 coord_t
*c
= str2coord(arg
, board_size(board
));
221 m
.coord
= *c
; coord_done(c
);
225 fprintf(stderr
, "got move %d,%d,%d\n", m
.color
, coord_x(m
.coord
, board
), coord_y(m
.coord
, board
));
227 // This is where kgs starts the timer, not at genmove!
228 time_start_timer(&ti
[stone_other(m
.color
)]);
230 if (engine
->notify_play
)
231 reply
= engine
->notify_play(engine
, board
, &m
);
232 if (board_play(board
, &m
) < 0) {
234 fprintf(stderr
, "! ILLEGAL MOVE %d,%d,%d\n", m
.color
, coord_x(m
.coord
, board
), coord_y(m
.coord
, board
));
235 board_print(board
, stderr
);
237 gtp_error(id
, "illegal move", NULL
);
240 board_print_custom(board
, stderr
, engine
->printhook
);
241 gtp_reply(id
, reply
, NULL
);
244 } else if (!strcasecmp(cmd
, "genmove") || !strcasecmp(cmd
, "kgs-genmove_cleanup")) {
247 enum stone color
= str2stone(arg
);
249 coord_t
*c
= engine
->genmove(engine
, board
, &ti
[color
], color
, !strcasecmp(cmd
, "kgs-genmove_cleanup"));
250 struct move m
= { *c
, color
};
251 board_play(board
, &m
);
252 char *str
= coord2str(*c
, board
);
254 fprintf(stderr
, "playing move %s\n", str
);
256 board_print_custom(board
, stderr
, engine
->printhook
);
258 gtp_reply(id
, str
, NULL
);
259 free(str
); coord_done(c
);
261 /* Account for spent time. If our GTP peer keeps our clock, this will
262 * be overriden by next time_left GTP command properly. */
263 /* (XXX: Except if we pass to byoyomi and the peer doesn't, but that
264 * should be absolutely rare situation and we will just spend a little
265 * less time than we could on next few moves.) */
266 if (ti
[color
].period
!= TT_NULL
&& ti
[color
].dim
== TD_WALLTIME
)
267 time_sub(&ti
[color
], time_now() - ti
[color
].len
.t
.timer_start
, true);
269 } else if (!strcasecmp(cmd
, "pachi-genmoves") || !strcasecmp(cmd
, "pachi-genmoves_cleanup")) {
272 enum stone color
= str2stone(arg
);
276 char *reply
= engine
->genmoves(engine
, board
, &ti
[color
], color
, next
,
277 !strcasecmp(cmd
, "pachi-genmoves_cleanup"),
278 &stats
, &stats_size
);
280 gtp_error(id
, "genmoves error", NULL
);
284 fprintf(stderr
, "proposing moves %s\n", reply
);
286 board_print_custom(board
, stderr
, engine
->printhook
);
287 gtp_reply(id
, reply
, NULL
);
288 if (stats_size
> 0) {
289 double start
= time_now();
290 fwrite(stats
, 1, stats_size
, stdout
);
293 fprintf(stderr
, "sent reply %d bytes in %.4fms\n",
294 stats_size
, (time_now() - start
)*1000);
297 } else if (!strcasecmp(cmd
, "set_free_handicap")) {
304 coord_t
*c
= str2coord(arg
, board_size(board
));
305 m
.coord
= *c
; coord_done(c
);
307 fprintf(stderr
, "setting handicap %d,%d\n", coord_x(m
.coord
, board
), coord_y(m
.coord
, board
));
309 if (board_play(board
, &m
) < 0) {
311 fprintf(stderr
, "! ILLEGAL MOVE %d,%d,%d\n", m
.color
, coord_x(m
.coord
, board
), coord_y(m
.coord
, board
));
312 gtp_error(id
, "illegal move", NULL
);
318 board_print(board
, stderr
);
321 /* TODO: Engine should choose free handicap; however, it tends to take
322 * overly long to think it all out, and unless it's clever its
323 * handicap stones won't be of much help. ;-) */
324 } else if (!strcasecmp(cmd
, "place_free_handicap")
325 || !strcasecmp(cmd
, "fixed_handicap")) {
328 int stones
= atoi(arg
);
331 board_handicap(board
, stones
, id
== NO_REPLY
? NULL
: stdout
);
333 board_print(board
, stderr
);
334 if (id
== NO_REPLY
) return P_OK
;
338 } else if (!strcasecmp(cmd
, "final_score")) {
339 struct move_queue q
= { .moves
= 0 };
340 if (engine
->dead_group_list
)
341 engine
->dead_group_list(engine
, board
, &q
);
342 float score
= board_official_score(board
, &q
);
345 fprintf(stderr
, "counted score %.1f\n", score
);
347 gtp_reply(id
, "0", NULL
);
348 } else if (score
> 0) {
349 snprintf(str
, 64, "W+%.1f", score
);
350 gtp_reply(id
, str
, NULL
);
352 snprintf(str
, 64, "B+%.1f", -score
);
353 gtp_reply(id
, str
, NULL
);
356 /* XXX: This is a huge hack. */
357 } else if (!strcasecmp(cmd
, "final_status_list")) {
358 if (id
== NO_REPLY
) return P_OK
;
361 struct move_queue q
= { .moves
= 0 };
362 if (engine
->dead_group_list
)
363 engine
->dead_group_list(engine
, board
, &q
);
364 /* else we return empty list - i.e. engine not supporting
365 * this assumes all stones alive at the game end. */
366 if (!strcasecmp(arg
, "dead")) {
368 for (unsigned int i
= 0; i
< q
.moves
; i
++) {
369 foreach_in_group(board
, q
.move
[i
]) {
370 printf("%s ", coord2sstr(c
, board
));
371 } foreach_in_group_end
;
377 } else if (!strcasecmp(arg
, "seki") || !strcasecmp(arg
, "alive")) {
379 bool printed_group
= false;
380 foreach_point(board
) { // foreach_group, effectively
381 group_t g
= group_at(board
, c
);
382 if (!g
|| g
!= c
) continue;
384 for (unsigned int i
= 0; i
< q
.moves
; i
++) {
388 foreach_in_group(board
, g
) {
389 printf("%s ", coord2sstr(c
, board
));
390 } foreach_in_group_end
;
392 printed_group
= true;
399 gtp_error(id
, "illegal status specifier", NULL
);
402 /* Custom commands for handling UCT opening book */
403 } else if (!strcasecmp(cmd
, "uct_genbook")) {
404 /* Board must be initialized properly, as if for genmove;
405 * makes sense only as 'uct_genbook b'. */
408 enum stone color
= str2stone(arg
);
409 if (uct_genbook(engine
, board
, &ti
[color
], color
))
412 gtp_error(id
, "error generating book", NULL
);
414 } else if (!strcasecmp(cmd
, "uct_dumpbook")) {
417 enum stone color
= str2stone(arg
);
418 uct_dumpbook(engine
, board
, color
);
421 } else if (!strcasecmp(cmd
, "kgs-chat")) {
430 reply
= engine
->chat(engine
, board
, msg
);
432 gtp_reply(id
, reply
, NULL
);
434 gtp_error(id
, "unknown chat command", NULL
);
436 } else if (!strcasecmp(cmd
, "time_left")) {
439 enum stone color
= str2stone(arg
);
441 int time
= atoi(arg
);
443 int stones
= atoi(arg
);
444 if (!ti
[color
].ignore_gtp
) {
445 time_left(&ti
[color
], time
, stones
);
447 if (DEBUGL(2)) fprintf(stderr
, "ignored time info\n");
452 } else if (!strcasecmp(cmd
, "time_settings") || !strcasecmp(cmd
, "kgs-time_settings")) {
455 if (!strcasecmp(cmd
, "kgs-time_settings")) {
456 next_tok(time_system
);
458 time_system
= "canadian";
461 int main_time
= 0, byoyomi_time
= 0, byoyomi_stones
= 0, byoyomi_periods
= 0;
462 if (!strcasecmp(time_system
, "none")) {
464 } else if (!strcasecmp(time_system
, "absolute")) {
466 main_time
= atoi(arg
);
467 } else if (!strcasecmp(time_system
, "byoyomi")) {
469 main_time
= atoi(arg
);
471 byoyomi_time
= atoi(arg
);
473 byoyomi_periods
= atoi(arg
);
474 } else if (!strcasecmp(time_system
, "canadian")) {
476 main_time
= atoi(arg
);
478 byoyomi_time
= atoi(arg
);
480 byoyomi_stones
= atoi(arg
);
484 fprintf(stderr
, "time_settings %d %d/%d*%d\n",
485 main_time
, byoyomi_time
, byoyomi_stones
, byoyomi_periods
);
486 if (!ti
[S_BLACK
].ignore_gtp
) {
487 time_settings(&ti
[S_BLACK
], main_time
, byoyomi_time
, byoyomi_stones
, byoyomi_periods
);
488 ti
[S_WHITE
] = ti
[S_BLACK
];
490 if (DEBUGL(1)) fprintf(stderr
, "ignored time info\n");
496 gtp_error(id
, "unknown command", NULL
);
497 return P_UNKNOWN_COMMAND
;