atc/log.c

   1 /*      $NetBSD: log.c,v 1.4 1997/01/13 06:50:26 tls Exp $      */
   2
   3 /*-
   4  * Copyright (c) 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Ed James.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 /*
  40  * Copyright (c) 1987 by Ed James, UC Berkeley.  All rights reserved.
  41  *
  42  * Copy permission is hereby granted provided that this notice is
  43  * retained on all partial or complete copies.
  44  *
  45  * For more info on this and all of my stuff, mail edjames@berkeley.edu.
  46  */
  47
  48 #ifndef lint
  49 #if 0
  50 static char sccsid[] = "@(#)log.c       8.1 (Berkeley) 5/31/93";
  51 #else
  52 static char rcsid[] = "$NetBSD: log.c,v 1.4 1997/01/13 06:50:26 tls Exp $";
  53 #endif
  54 #endif not lint
  55
  56 #include "include.h"
  57 #include "pathnames.h"
  58
  59 compar(a, b)
  60         SCORE   *a, *b;
  61 {
  62         if (b->planes == a->planes)
  63                 return (b->time - a->time);
  64         else
  65                 return (b->planes - a->planes);
  66 }
  67
  68 #define SECAMIN         60
  69 #define MINAHOUR        60
  70 #define HOURADAY        24
  71 #define SECAHOUR        (SECAMIN * MINAHOUR)
  72 #define SECADAY         (SECAHOUR * HOURADAY)
  73 #define DAY(t)          ((t) / SECADAY)
  74 #define HOUR(t)         (((t) % SECADAY) / SECAHOUR)
  75 #define MIN(t)          (((t) % SECAHOUR) / SECAMIN)
  76 #define SEC(t)          ((t) % SECAMIN)
  77
  78 char    *
  79 timestr(t)
  80 {
  81         static char     s[80];
  82
  83         if (DAY(t) > 0)
  84                 (void)sprintf(s, "%dd+%02dhrs", DAY(t), HOUR(t));
  85         else if (HOUR(t) > 0)
  86                 (void)sprintf(s, "%d:%02d:%02d", HOUR(t), MIN(t), SEC(t));
  87         else if (MIN(t) > 0)
  88                 (void)sprintf(s, "%d:%02d", MIN(t), SEC(t));
  89         else if (SEC(t) > 0)
  90                 (void)sprintf(s, ":%02d", SEC(t));
  91         else
  92                 *s = '\0';
  93
  94         return (s);
  95 }
  96
  97 log_score(list_em)
  98 {
  99         register int    i, fd, num_scores = 0, good, changed = 0, found = 0;
 100         struct passwd   *pw;
 101         FILE            *fp;
 102         char            *cp, *index(), *rindex();
 103         SCORE           score[100], thisscore;
 104 #ifdef SYSV
 105         struct utsname  name;
 106 #endif
 107
 108         umask(0);
 109         fd = open(_PATH_SCORE, O_CREAT|O_RDWR, 0644);
 110         if (fd < 0) {
 111                 perror(_PATH_SCORE);
 112                 return (-1);
 113         }
 114         /*
 115          * This is done to take advantage of stdio, while still
 116          * allowing a O_CREAT during the open(2) of the log file.
 117          */
 118         fp = fdopen(fd, "r+");
 119         if (fp == NULL) {
 120                 perror(_PATH_SCORE);
 121                 return (-1);
 122         }
 123 #ifdef BSD
 124         if (flock(fileno(fp), LOCK_EX) < 0)
 125 #endif
 126 #ifdef SYSV
 127         while (lockf(fileno(fp), F_LOCK, 1) < 0)
 128 #endif
 129         {
 130                 perror("flock");
 131                 return (-1);
 132         }
 133         for (;;) {
 134                 good = fscanf(fp, "%s %s %s %d %d %d",
 135                         score[num_scores].name,
 136                         score[num_scores].host,
 137                         score[num_scores].game,
 138                         &score[num_scores].planes,
 139                         &score[num_scores].time,
 140                         &score[num_scores].real_time);
 141                 if (good != 6 || ++num_scores >= NUM_SCORES)
 142                         break;
 143         }
 144         if (!test_mode && !list_em) {
 145                 if ((pw = (struct passwd *) getpwuid(getuid())) == NULL) {
 146                         fprintf(stderr,
 147                                 "getpwuid failed for uid %d.  Who are you?\n",
 148                                 getuid());
 149                         return (-1);
 150                 }
 151                 strcpy(thisscore.name, pw->pw_name);
 152 #ifdef BSD
 153                 if (gethostname(thisscore.host, sizeof (thisscore.host)) < 0) {
 154                         perror("gethostname");
 155                         return (-1);
 156                 }
 157 #endif
 158 #ifdef SYSV
 159                 uname(&name);
 160                 strcpy(thisscore.host, name.sysname);
 161 #endif
 162
 163                 cp = rindex(file, '/');
 164                 if (cp == NULL) {
 165                         fprintf(stderr, "log: where's the '/' in %s?\n", file);
 166                         return (-1);
 167                 }
 168                 cp++;
 169                 strcpy(thisscore.game, cp);
 170
 171                 thisscore.time = clck;
 172                 thisscore.planes = safe_planes;
 173                 thisscore.real_time = time(0) - start_time;
 174
 175                 for (i = 0; i < num_scores; i++) {
 176                         if (strcmp(thisscore.name, score[i].name) == 0 &&
 177                             strcmp(thisscore.host, score[i].host) == 0 &&
 178                             strcmp(thisscore.game, score[i].game) == 0) {
 179                                 if (thisscore.time > score[i].time) {
 180                                         score[i].time = thisscore.time;
 181                                         score[i].planes = thisscore.planes;
 182                                         score[i].real_time =
 183                                                 thisscore.real_time;
 184                                         changed++;
 185                                 }
 186                                 found++;
 187                                 break;
 188                         }
 189                 }
 190                 if (!found) {
 191                         for (i = 0; i < num_scores; i++) {
 192                                 if (thisscore.time > score[i].time) {
 193                                         if (num_scores < NUM_SCORES)
 194                                                 num_scores++;
 195                                         memcpy(&score[num_scores - 1],
 196                                                &score[i],
 197                                                sizeof (score[i]));
 198                                         memcpy(&score[i], &thisscore,
 199                                                sizeof (score[i]));
 200                                         changed++;
 201                                         break;
 202                                 }
 203                         }
 204                 }
 205                 if (!found && !changed && num_scores < NUM_SCORES) {
 206                         memcpy(&score[num_scores], &thisscore,
 207                                sizeof (score[num_scores]));
 208                         num_scores++;
 209                         changed++;
 210                 }
 211
 212                 if (changed) {
 213                         if (found)
 214                                 puts("You beat your previous score!");
 215                         else
 216                                 puts("You made the top players list!");
 217                         qsort(score, num_scores, sizeof (*score), compar);
 218                         rewind(fp);
 219                         for (i = 0; i < num_scores; i++)
 220                                 fprintf(fp, "%s %s %s %d %d %d\n",
 221                                         score[i].name, score[i].host,
 222                                         score[i].game, score[i].planes,
 223                                         score[i].time, score[i].real_time);
 224                 } else {
 225                         if (found)
 226                                 puts("You didn't beat your previous score.");
 227                         else
 228                                 puts("You didn't make the top players list.");
 229                 }
 230                 putchar('\n');
 231         }
 232 #ifdef BSD
 233         flock(fileno(fp), LOCK_UN);
 234 #endif
 235 #ifdef SYSV
 236         /* lock will evaporate upon close */
 237 #endif
 238         fclose(fp);
 239         printf("%2s:  %-8s  %-8s  %-18s  %4s  %9s  %4s\n", "#", "name", "host",
 240                 "game", "time", "real time", "planes safe");
 241         puts("-------------------------------------------------------------------------------");
 242         for (i = 0; i < num_scores; i++) {
 243                 cp = index(score[i].host, '.');
 244                 if (cp != NULL)
 245                         *cp = '\0';
 246                 printf("%2d:  %-8s  %-8s  %-18s  %4d  %9s  %4d\n", i + 1,
 247                         score[i].name, score[i].host, score[i].game,
 248                         score[i].time, timestr(score[i].real_time),
 249                         score[i].planes);
 250         }
 251         putchar('\n');
 252         return (0);
 253 }