atc/log.c

   1 /*-
   2  * Copyright (c) 1990 The Regents of the University of California.
   3  * All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Ed James.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  */
  36
  37 /*
  38  * Copyright (c) 1987 by Ed James, UC Berkeley.  All rights reserved.
  39  *
  40  * Copy permission is hereby granted provided that this notice is
  41  * retained on all partial or complete copies.
  42  *
  43  * For more info on this and all of my stuff, mail edjames@berkeley.edu.
  44  */
  45
  46 #ifndef lint
  47 static char sccsid[] = "@(#)log.c       5.7 (Berkeley) 10/30/90";
  48 #endif not lint
  49
  50 #include "include.h"
  51 #include "pathnames.h"
  52
  53 compar(a, b)
  54         SCORE   *a, *b;
  55 {
  56         if (b->planes == a->planes)
  57                 return (b->time - a->time);
  58         else
  59                 return (b->planes - a->planes);
  60 }
  61
  62 #define SECAMIN         60
  63 #define MINAHOUR        60
  64 #define HOURADAY        24
  65 #define SECAHOUR        (SECAMIN * MINAHOUR)
  66 #define SECADAY         (SECAHOUR * HOURADAY)
  67 #define DAY(t)          ((t) / SECADAY)
  68 #define HOUR(t)         (((t) % SECADAY) / SECAHOUR)
  69 #define MIN(t)          (((t) % SECAHOUR) / SECAMIN)
  70 #define SEC(t)          ((t) % SECAMIN)
  71
  72 char    *
  73 timestr(t)
  74 {
  75         static char     s[80];
  76
  77         if (DAY(t) > 0)
  78                 (void)sprintf(s, "%dd+%02dhrs", DAY(t), HOUR(t));
  79         else if (HOUR(t) > 0)
  80                 (void)sprintf(s, "%d:%02d:%02d", HOUR(t), MIN(t), SEC(t));
  81         else if (MIN(t) > 0)
  82                 (void)sprintf(s, "%d:%02d", MIN(t), SEC(t));
  83         else if (SEC(t) > 0)
  84                 (void)sprintf(s, ":%02d", SEC(t));
  85         else
  86                 *s = '\0';
  87
  88         return (s);
  89 }
  90
  91 log_score(list_em)
  92 {
  93         register int    i, fd, num_scores = 0, good, changed = 0, found = 0;
  94         struct passwd   *pw;
  95         FILE            *fp;
  96         char            *cp, *index(), *rindex();
  97         SCORE           score[100], thisscore;
  98 #ifdef SYSV
  99         struct utsname  name;
 100 #endif
 101
 102         umask(0);
 103         fd = open(_PATH_SCORE, O_CREAT|O_RDWR, 0644);
 104         if (fd < 0) {
 105                 perror(_PATH_SCORE);
 106                 return (-1);
 107         }
 108         /*
 109          * This is done to take advantage of stdio, while still
 110          * allowing a O_CREAT during the open(2) of the log file.
 111          */
 112         fp = fdopen(fd, "r+");
 113         if (fp == NULL) {
 114                 perror(_PATH_SCORE);
 115                 return (-1);
 116         }
 117 #ifdef BSD
 118         if (flock(fileno(fp), LOCK_EX) < 0)
 119 #endif
 120 #ifdef SYSV
 121         while (lockf(fileno(fp), F_LOCK, 1) < 0)
 122 #endif
 123         {
 124                 perror("flock");
 125                 return (-1);
 126         }
 127         for (;;) {
 128                 good = fscanf(fp, "%s %s %s %d %d %d",
 129                         score[num_scores].name,
 130                         score[num_scores].host,
 131                         score[num_scores].game,
 132                         &score[num_scores].planes,
 133                         &score[num_scores].time,
 134                         &score[num_scores].real_time);
 135                 if (good != 6 || ++num_scores >= NUM_SCORES)
 136                         break;
 137         }
 138         if (!test_mode && !list_em) {
 139                 if ((pw = (struct passwd *) getpwuid(getuid())) == NULL) {
 140                         fprintf(stderr,
 141                                 "getpwuid failed for uid %d.  Who are you?\n",
 142                                 getuid());
 143                         return (-1);
 144                 }
 145                 strcpy(thisscore.name, pw->pw_name);
 146 #ifdef BSD
 147                 if (gethostname(thisscore.host, sizeof (thisscore.host)) < 0) {
 148                         perror("gethostname");
 149                         return (-1);
 150                 }
 151 #endif
 152 #ifdef SYSV
 153                 uname(&name);
 154                 strcpy(thisscore.host, name.sysname);
 155 #endif
 156
 157                 cp = rindex(file, '/');
 158                 if (cp == NULL) {
 159                         fprintf(stderr, "log: where's the '/' in %s?\n", file);
 160                         return (-1);
 161                 }
 162                 cp++;
 163                 strcpy(thisscore.game, cp);
 164
 165                 thisscore.time = clck;
 166                 thisscore.planes = safe_planes;
 167                 thisscore.real_time = time(0) - start_time;
 168
 169                 for (i = 0; i < num_scores; i++) {
 170                         if (strcmp(thisscore.name, score[i].name) == 0 &&
 171                             strcmp(thisscore.host, score[i].host) == 0 &&
 172                             strcmp(thisscore.game, score[i].game) == 0) {
 173                                 if (thisscore.time > score[i].time) {
 174                                         score[i].time = thisscore.time;
 175                                         score[i].planes = thisscore.planes;
 176                                         score[i].real_time =
 177                                                 thisscore.real_time;
 178                                         changed++;
 179                                 }
 180                                 found++;
 181                                 break;
 182                         }
 183                 }
 184                 if (!found) {
 185                         for (i = 0; i < num_scores; i++) {
 186                                 if (thisscore.time > score[i].time) {
 187                                         if (num_scores < NUM_SCORES)
 188                                                 num_scores++;
 189                                         bcopy(&score[i],
 190                                                 &score[num_scores - 1],
 191                                                 sizeof (score[i]));
 192                                         bcopy(&thisscore, &score[i],
 193                                                 sizeof (score[i]));
 194                                         changed++;
 195                                         break;
 196                                 }
 197                         }
 198                 }
 199                 if (!found && !changed && num_scores < NUM_SCORES) {
 200                         bcopy(&thisscore, &score[num_scores],
 201                                 sizeof (score[num_scores]));
 202                         num_scores++;
 203                         changed++;
 204                 }
 205
 206                 if (changed) {
 207                         if (found)
 208                                 puts("You beat your previous score!");
 209                         else
 210                                 puts("You made the top players list!");
 211                         qsort(score, num_scores, sizeof (*score), compar);
 212                         rewind(fp);
 213                         for (i = 0; i < num_scores; i++)
 214                                 fprintf(fp, "%s %s %s %d %d %d\n",
 215                                         score[i].name, score[i].host,
 216                                         score[i].game, score[i].planes,
 217                                         score[i].time, score[i].real_time);
 218                 } else {
 219                         if (found)
 220                                 puts("You didn't beat your previous score.");
 221                         else
 222                                 puts("You didn't make the top players list.");
 223                 }
 224                 putchar('\n');
 225         }
 226 #ifdef BSD
 227         flock(fileno(fp), LOCK_UN);
 228 #endif
 229 #ifdef SYSV
 230         /* lock will evaporate upon close */
 231 #endif
 232         fclose(fp);
 233         printf("%2s:  %-8s  %-8s  %-18s  %4s  %9s  %4s\n", "#", "name", "host",
 234                 "game", "time", "real time", "planes safe");
 235         puts("-------------------------------------------------------------------------------");
 236         for (i = 0; i < num_scores; i++) {
 237                 cp = index(score[i].host, '.');
 238                 if (cp != NULL)
 239                         *cp = '\0';
 240                 printf("%2d:  %-8s  %-8s  %-18s  %4d  %9s  %4d\n", i + 1,
 241                         score[i].name, score[i].host, score[i].game,
 242                         score[i].time, timestr(score[i].real_time),
 243                         score[i].planes);
 244         }
 245         putchar('\n');
 246         return (0);
 247 }