1 /*
2 * Copyright (c) 1983 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #ifndef lint
35 char copyright[] =
36 "@(#) Copyright (c) 1983 Regents of the University of California.\n\
37 All rights reserved.\n";
38 #endif /* not lint */
39
40 #ifndef lint
41 static char sccsid[] = "@(#)pac.c 5.5 (Berkeley) 6/1/90";
42 #endif /* not lint */
43
44 /*
45 * Do Printer accounting summary.
46 * Currently, usage is
47 * pac [-Pprinter] [-pprice] [-s] [-r] [-c] [-m] [user ...]
48 * to print the usage information for the named people.
49 */
50
51 #include <stdio.h>
52 #include "lp.local.h"
53
54 char *printer; /* printer name */
55 char *acctfile; /* accounting file (input data) */
56 char *sumfile; /* summary file */
57 float price = 0.02; /* cost per page (or what ever) */
58 int allflag = 1; /* Get stats on everybody */
59 int sort; /* Sort by cost */
60 int summarize; /* Compress accounting file */
61 int reverse; /* Reverse sort order */
62 int hcount; /* Count of hash entries */
63 int errs;
64 int mflag = 0; /* disregard machine names */
65 int pflag = 0; /* 1 if -p on cmd line */
66 int price100; /* per-page cost in 100th of a cent */
67 char *index();
68 int pgetnum();
69
70 /*
71 * Grossness follows:
72 * Names to be accumulated are hashed into the following
73 * table.
74 */
75
76 #define HSHSIZE 97 /* Number of hash buckets */
77
78 struct hent {
79 struct hent *h_link; /* Forward hash link */
80 char *h_name; /* Name of this user */
81 float h_feetpages; /* Feet or pages of paper */
82 int h_count; /* Number of runs */
83 };
84
85 struct hent *hashtab[HSHSIZE]; /* Hash table proper */
86 struct hent *enter();
87 struct hent *lookup();
88
89 #define NIL ((struct hent *) 0) /* The big zero */
90
91 double atof();
92 char *getenv();
93 char *pgetstr();
94
main(argc,argv)95 main(argc, argv)
96 char **argv;
97 {
98 register FILE *acct;
99 register char *cp;
100
101 while (--argc) {
102 cp = *++argv;
103 if (*cp++ == '-') {
104 switch(*cp++) {
105 case 'P':
106 /*
107 * Printer name.
108 */
109 printer = cp;
110 continue;
111
112 case 'p':
113 /*
114 * get the price.
115 */
116 price = atof(cp);
117 pflag = 1;
118 continue;
119
120 case 's':
121 /*
122 * Summarize and compress accounting file.
123 */
124 summarize++;
125 continue;
126
127 case 'c':
128 /*
129 * Sort by cost.
130 */
131 sort++;
132 continue;
133
134 case 'm':
135 /*
136 * disregard machine names for each user
137 */
138 mflag = 1;
139 continue;
140
141 case 'r':
142 /*
143 * Reverse sorting order.
144 */
145 reverse++;
146 continue;
147
148 default:
149 fprintf(stderr,
150 "usage: pac [-Pprinter] [-pprice] [-s] [-c] [-r] [-m] [user ...]\n");
151 exit(1);
152 }
153 }
154 (void) enter(--cp);
155 allflag = 0;
156 }
157 if (printer == NULL && (printer = getenv("PRINTER")) == NULL)
158 printer = DEFLP;
159 if (!chkprinter(printer)) {
160 printf("pac: unknown printer %s\n", printer);
161 exit(2);
162 }
163
164 if ((acct = fopen(acctfile, "r")) == NULL) {
165 perror(acctfile);
166 exit(1);
167 }
168 account(acct);
169 fclose(acct);
170 if ((acct = fopen(sumfile, "r")) != NULL) {
171 account(acct);
172 fclose(acct);
173 }
174 if (summarize)
175 rewrite();
176 else
177 dumpit();
178 exit(errs);
179 }
180
181 /*
182 * Read the entire accounting file, accumulating statistics
183 * for the users that we have in the hash table. If allflag
184 * is set, then just gather the facts on everyone.
185 * Note that we must accomodate both the active and summary file
186 * formats here.
187 * Host names are ignored if the -m flag is present.
188 */
189
account(acct)190 account(acct)
191 register FILE *acct;
192 {
193 char linebuf[BUFSIZ];
194 double t;
195 register char *cp, *cp2;
196 register struct hent *hp;
197 register int ic;
198
199 while (fgets(linebuf, BUFSIZ, acct) != NULL) {
200 cp = linebuf;
201 while (any(*cp, " t\t"))
202 cp++;
203 t = atof(cp);
204 while (any(*cp, ".0123456789"))
205 cp++;
206 while (any(*cp, " \t"))
207 cp++;
208 for (cp2 = cp; !any(*cp2, " \t\n"); cp2++)
209 ;
210 ic = atoi(cp2);
211 *cp2 = '\0';
212 if (mflag && index(cp, ':'))
213 cp = index(cp, ':') + 1;
214 hp = lookup(cp);
215 if (hp == NIL) {
216 if (!allflag)
217 continue;
218 hp = enter(cp);
219 }
220 hp->h_feetpages += t;
221 if (ic)
222 hp->h_count += ic;
223 else
224 hp->h_count++;
225 }
226 }
227
228 /*
229 * Sort the hashed entries by name or footage
230 * and print it all out.
231 */
232
dumpit()233 dumpit()
234 {
235 struct hent **base;
236 register struct hent *hp, **ap;
237 register int hno, c, runs;
238 float feet;
239 int qucmp();
240
241 hp = hashtab[0];
242 hno = 1;
243 base = (struct hent **) calloc(sizeof hp, hcount);
244 for (ap = base, c = hcount; c--; ap++) {
245 while (hp == NIL)
246 hp = hashtab[hno++];
247 *ap = hp;
248 hp = hp->h_link;
249 }
250 qsort(base, hcount, sizeof hp, qucmp);
251 printf(" Login pages/feet runs price\n");
252 feet = 0.0;
253 runs = 0;
254 for (ap = base, c = hcount; c--; ap++) {
255 hp = *ap;
256 runs += hp->h_count;
257 feet += hp->h_feetpages;
258 printf("%-24s %7.2f %4d $%6.2f\n", hp->h_name,
259 hp->h_feetpages, hp->h_count, hp->h_feetpages * price);
260 }
261 if (allflag) {
262 printf("\n");
263 printf("%-24s %7.2f %4d $%6.2f\n", "total", feet,
264 runs, feet * price);
265 }
266 }
267
268 /*
269 * Rewrite the summary file with the summary information we have accumulated.
270 */
271
rewrite()272 rewrite()
273 {
274 register struct hent *hp;
275 register int i;
276 register FILE *acctf;
277
278 if ((acctf = fopen(sumfile, "w")) == NULL) {
279 perror(sumfile);
280 errs++;
281 return;
282 }
283 for (i = 0; i < HSHSIZE; i++) {
284 hp = hashtab[i];
285 while (hp != NULL) {
286 fprintf(acctf, "%7.2f\t%s\t%d\n", hp->h_feetpages,
287 hp->h_name, hp->h_count);
288 hp = hp->h_link;
289 }
290 }
291 fflush(acctf);
292 if (ferror(acctf)) {
293 perror(sumfile);
294 errs++;
295 }
296 fclose(acctf);
297 if ((acctf = fopen(acctfile, "w")) == NULL)
298 perror(acctfile);
299 else
300 fclose(acctf);
301 }
302
303 /*
304 * Hashing routines.
305 */
306
307 /*
308 * Enter the name into the hash table and return the pointer allocated.
309 */
310
311 struct hent *
enter(name)312 enter(name)
313 char name[];
314 {
315 register struct hent *hp;
316 register int h;
317
318 if ((hp = lookup(name)) != NIL)
319 return(hp);
320 h = hash(name);
321 hcount++;
322 hp = (struct hent *) calloc(sizeof *hp, 1);
323 hp->h_name = (char *) calloc(sizeof(char), strlen(name)+1);
324 strcpy(hp->h_name, name);
325 hp->h_feetpages = 0.0;
326 hp->h_count = 0;
327 hp->h_link = hashtab[h];
328 hashtab[h] = hp;
329 return(hp);
330 }
331
332 /*
333 * Lookup a name in the hash table and return a pointer
334 * to it.
335 */
336
337 struct hent *
lookup(name)338 lookup(name)
339 char name[];
340 {
341 register int h;
342 register struct hent *hp;
343
344 h = hash(name);
345 for (hp = hashtab[h]; hp != NIL; hp = hp->h_link)
346 if (strcmp(hp->h_name, name) == 0)
347 return(hp);
348 return(NIL);
349 }
350
351 /*
352 * Hash the passed name and return the index in
353 * the hash table to begin the search.
354 */
355
hash(name)356 hash(name)
357 char name[];
358 {
359 register int h;
360 register char *cp;
361
362 for (cp = name, h = 0; *cp; h = (h << 2) + *cp++)
363 ;
364 return((h & 0x7fffffff) % HSHSIZE);
365 }
366
367 /*
368 * Other stuff
369 */
370
any(ch,str)371 any(ch, str)
372 char str[];
373 {
374 register int c = ch;
375 register char *cp = str;
376
377 while (*cp)
378 if (*cp++ == c)
379 return(1);
380 return(0);
381 }
382
383 /*
384 * The qsort comparison routine.
385 * The comparison is ascii collating order
386 * or by feet of typesetter film, according to sort.
387 */
388
389 qucmp(left, right)
390 struct hent **left, **right;
391 {
392 register struct hent *h1, *h2;
393 register int r;
394
395 h1 = *left;
396 h2 = *right;
397 if (sort)
398 r = h1->h_feetpages < h2->h_feetpages ? -1 : h1->h_feetpages >
399 h2->h_feetpages;
400 else
401 r = strcmp(h1->h_name, h2->h_name);
402 return(reverse ? -r : r);
403 }
404
405 /*
406 * Perform lookup for printer name or abbreviation --
407 */
chkprinter(s)408 chkprinter(s)
409 register char *s;
410 {
411 static char buf[BUFSIZ/2];
412 char b[BUFSIZ];
413 int stat;
414 char *bp = buf;
415
416 if ((stat = pgetent(b, s)) < 0) {
417 printf("pac: can't open printer description file\n");
418 exit(3);
419 } else if (stat == 0)
420 return(0);
421 if ((acctfile = pgetstr("af", &bp)) == NULL) {
422 printf("accounting not enabled for printer %s\n", printer);
423 exit(2);
424 }
425 if (!pflag && (price100 = pgetnum("pc")) > 0)
426 price = price100/10000.0;
427 sumfile = (char *) calloc(sizeof(char), strlen(acctfile)+5);
428 if (sumfile == NULL) {
429 perror("pac");
430 exit(1);
431 }
432 strcpy(sumfile, acctfile);
433 strcat(sumfile, "_sum");
434 return(1);
435 }
436