pachi.c

   1 #define DEBUG
   2 #include <assert.h>
   3 #include <getopt.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <string.h>
   7 #include <time.h>
   8 #include <unistd.h>
   9
  10 #include "board.h"
  11 #include "debug.h"
  12 #include "engine.h"
  13 #include "replay/replay.h"
  14 #include "montecarlo/montecarlo.h"
  15 #include "random/random.h"
  16 #include "patternscan/patternscan.h"
  17 #include "joseki/joseki.h"
  18 #include "t-unit/test.h"
  19 #include "uct/uct.h"
  20 #include "distributed/distributed.h"
  21 #include "gtp.h"
  22 #include "timeinfo.h"
  23 #include "random.h"
  24 #include "version.h"
  25 #include "network.h"
  26
  27 int debug_level = 3;
  28 bool debug_boardprint = true;
  29 long verbose_logs = 0;
  30 int seed;
  31
  32
  33 enum engine_id {
  34         E_RANDOM,
  35         E_REPLAY,
  36         E_PATTERNSCAN,
  37         E_MONTECARLO,
  38         E_UCT,
  39         E_DISTRIBUTED,
  40         E_JOSEKI,
  41         E_MAX,
  42 };
  43
  44 static struct engine *(*engine_init[E_MAX])(char *arg, struct board *b) = {
  45         engine_random_init,
  46         engine_replay_init,
  47         engine_patternscan_init,
  48         engine_montecarlo_init,
  49         engine_uct_init,
  50         engine_distributed_init,
  51         engine_joseki_init,
  52 };
  53
  54 static struct engine *init_engine(enum engine_id engine, char *e_arg, struct board *b)
  55 {
  56         char *arg = e_arg? strdup(e_arg) : e_arg;
  57         assert(engine < E_MAX);
  58         struct engine *e = engine_init[engine](arg, b);
  59         if (arg) free(arg);
  60         return e;
  61 }
  62
  63 static void done_engine(struct engine *e)
  64 {
  65         if (e->done) e->done(e);
  66         if (e->data) free(e->data);
  67         free(e);
  68 }
  69
  70 static void usage(char *name)
  71 {
  72         fprintf(stderr, "Pachi version %s\n", PACHI_VERSION);
  73         fprintf(stderr, "Usage: %s [-e random|replay|montecarlo|uct|distributed]\n"
  74                 " [-d DEBUG_LEVEL] [-D] [-s RANDOM_SEED] [-t TIME_SETTINGS] [-u TEST_FILENAME]\n"
  75                 " [-g [HOST:]GTP_PORT] [-l [HOST:]LOG_PORT] [-f FBOOKFILE] [ENGINE_ARGS]\n", name);
  76 }
  77
  78 int main(int argc, char *argv[])
  79 {
  80         enum engine_id engine = E_UCT;
  81         struct time_info ti_default = { .period = TT_NULL };
  82         char *testfile = NULL;
  83         char *gtp_port = NULL;
  84         char *log_port = NULL;
  85         int gtp_sock = -1;
  86         char *fbookfile = NULL;
  87
  88         seed = time(NULL) ^ getpid();
  89
  90         int opt;
  91         while ((opt = getopt(argc, argv, "e:d:Df:g:l:s:t:u:")) != -1) {
  92                 switch (opt) {
  93                         case 'e':
  94                                 if (!strcasecmp(optarg, "random")) {
  95                                         engine = E_RANDOM;
  96                                 } else if (!strcasecmp(optarg, "replay")) {
  97                                         engine = E_REPLAY;
  98                                 } else if (!strcasecmp(optarg, "montecarlo")) {
  99                                         engine = E_MONTECARLO;
 100                                 } else if (!strcasecmp(optarg, "uct")) {
 101                                         engine = E_UCT;
 102                                 } else if (!strcasecmp(optarg, "distributed")) {
 103                                         engine = E_DISTRIBUTED;
 104                                 } else if (!strcasecmp(optarg, "patternscan")) {
 105                                         engine = E_PATTERNSCAN;
 106                                 } else if (!strcasecmp(optarg, "joseki")) {
 107                                         engine = E_JOSEKI;
 108                                 } else {
 109                                         fprintf(stderr, "%s: Invalid -e argument %s\n", argv[0], optarg);
 110                                         exit(1);
 111                                 }
 112                                 break;
 113                         case 'd':
 114                                 debug_level = atoi(optarg);
 115                                 break;
 116                         case 'D':
 117                                 debug_boardprint = false;
 118                                 break;
 119                         case 'f':
 120                                 fbookfile = strdup(optarg);
 121                                 break;
 122                         case 'g':
 123                                 gtp_port = strdup(optarg);
 124                                 break;
 125                         case 'l':
 126                                 log_port = strdup(optarg);
 127                                 break;
 128                         case 's':
 129                                 seed = atoi(optarg);
 130                                 break;
 131                         case 't':
 132                                 /* Time settings to follow; if specified,
 133                                  * GTP time information is ignored. Useful
 134                                  * e.g. when you want to force your bot to
 135                                  * play weaker while giving the opponent
 136                                  * reasonable time to play, or force play
 137                                  * by number of simulations in timed games. */
 138                                 /* Please see timeinfo.h:time_parse()
 139                                  * description for syntax details. */
 140                                 if (!time_parse(&ti_default, optarg)) {
 141                                         fprintf(stderr, "%s: Invalid -t argument %s\n", argv[0], optarg);
 142                                         exit(1);
 143                                 }
 144                                 ti_default.ignore_gtp = true;
 145                                 assert(ti_default.period != TT_NULL);
 146                                 break;
 147                         case 'u':
 148                                 testfile = strdup(optarg);
 149                                 break;
 150                         default: /* '?' */
 151                                 usage(argv[0]);
 152                                 exit(1);
 153                 }
 154         }
 155
 156         if (log_port)
 157                 open_log_port(log_port);
 158
 159         fast_srandom(seed);
 160         if (DEBUGL(0))
 161                 fprintf(stderr, "Random seed: %d\n", seed);
 162
 163         struct board *b = board_init(fbookfile);
 164         struct time_info ti[S_MAX];
 165         ti[S_BLACK] = ti_default;
 166         ti[S_WHITE] = ti_default;
 167
 168         char *e_arg = NULL;
 169         if (optind < argc)
 170                 e_arg = argv[optind];
 171         struct engine *e = init_engine(engine, e_arg, b);
 172
 173         if (testfile) {
 174                 unittest(testfile);
 175                 return 0;
 176         }
 177
 178         if (gtp_port) {
 179                 open_gtp_connection(&gtp_sock, gtp_port);
 180         }
 181
 182         for (;;) {
 183                 char buf[4096];
 184                 while (fgets(buf, 4096, stdin)) {
 185                         if (DEBUGL(1))
 186                                 fprintf(stderr, "IN: %s", buf);
 187
 188                         enum parse_code c = gtp_parse(b, e, ti, buf);
 189                         if (c == P_ENGINE_RESET) {
 190                                 ti[S_BLACK] = ti_default;
 191                                 ti[S_WHITE] = ti_default;
 192                                 if (!e->keep_on_clear) {
 193                                         b->es = NULL;
 194                                         done_engine(e);
 195                                         e = init_engine(engine, e_arg, b);
 196                                 }
 197                         } else if (c == P_UNKNOWN_COMMAND && gtp_port) {
 198                                 /* The gtp command is a weak identity check,
 199                                  * close the connection with a wrong peer. */
 200                                 break;
 201                         }
 202                 }
 203                 if (!gtp_port) break;
 204                 open_gtp_connection(&gtp_sock, gtp_port);
 205         }
 206         done_engine(e);
 207         return 0;
 208 }