Commit | Line | Data |
---|---|---|
c6d1c018 | 1 | /* displayq.c 4.7 83/06/17 */ |
41d14893 RC |
2 | /* |
3 | * Routines to display the state of the queue. | |
4 | */ | |
5 | ||
6 | #include "lp.h" | |
7 | ||
c6d1c018 RC |
8 | #define JOBCOL 40 /* column for job # in -l format */ |
9 | #define OWNCOL 7 /* start of Owner column in normal */ | |
10 | #define SIZCOL 62 /* start of Size column in normal */ | |
41d14893 RC |
11 | |
12 | /* | |
13 | * Stuff for handling job specifications | |
14 | */ | |
15 | extern char *user[]; /* users to process */ | |
16 | extern int users; /* # of users in user array */ | |
17 | extern int requ[]; /* job number of spool entries */ | |
18 | extern int requests; /* # of spool requests */ | |
19 | ||
54266d1f RC |
20 | static int lflag; /* long output option */ |
21 | static char current[40]; /* current file being printed */ | |
22 | static int garbage; /* # of garbage cf files */ | |
23 | static int rank; /* order to be printed (-1=none, 0=active) */ | |
24 | static long totsize; /* total print job size in bytes */ | |
25 | static int first; /* first file in ``files'' column? */ | |
26 | static int col; /* column on screen */ | |
27 | static int sendtorem; /* are we sending to a remote? */ | |
28 | static char file[132]; /* print file name */ | |
41d14893 | 29 | |
54266d1f RC |
30 | static char *head0 = "Rank Owner Job Files"; |
31 | static char *head1 = "Total Size\n"; | |
41d14893 RC |
32 | |
33 | /* | |
34 | * Display the current state of the queue. Format = 1 if long format. | |
35 | */ | |
36 | displayq(format) | |
37 | int format; | |
38 | { | |
39 | register struct queue *q; | |
40 | register int i, nitems, fd; | |
41 | struct queue **queue; | |
42 | struct stat statb; | |
43 | FILE *fp; | |
44 | ||
41d14893 RC |
45 | lflag = format; |
46 | totsize = 0; | |
47 | rank = -1; | |
48 | ||
49 | if ((i = pgetent(line, printer)) < 0) | |
50 | fatal("cannot open printer description file"); | |
51 | else if (i == 0) | |
52 | fatal("unknown printer"); | |
53 | if ((LP = pgetstr("lp", &bp)) == NULL) | |
54 | LP = DEFDEVLP; | |
55 | if ((RP = pgetstr("rp", &bp)) == NULL) | |
755aa7aa | 56 | RP = DEFLP; |
41d14893 RC |
57 | if ((SD = pgetstr("sd", &bp)) == NULL) |
58 | SD = DEFSPOOL; | |
59 | if ((LO = pgetstr("lo", &bp)) == NULL) | |
60 | LO = DEFLOCK; | |
61 | if ((ST = pgetstr("st", &bp)) == NULL) | |
62 | ST = DEFSTAT; | |
63 | RM = pgetstr("rm", &bp); | |
64 | ||
65 | /* | |
66 | * If there is no local printer, then print the queue on | |
67 | * the remote machine and then what's in the queue here. | |
68 | * Note that a file in transit may not show up in either queue. | |
69 | */ | |
70 | if (*LP == '\0') { | |
71 | register char *cp; | |
72 | char c; | |
73 | ||
74 | sendtorem++; | |
75 | (void) sprintf(line, "%c%s", format + '\3', RP); | |
76 | cp = line; | |
77 | for (i = 0; i < requests; i++) { | |
78 | cp += strlen(cp); | |
79 | (void) sprintf(cp, " %d", requ[i]); | |
80 | } | |
81 | for (i = 0; i < users; i++) { | |
82 | cp += strlen(cp); | |
83 | *cp++ = ' '; | |
84 | strcpy(cp, user[i]); | |
85 | } | |
86 | strcat(line, "\n"); | |
e923dc6a | 87 | fd = getport(RM); |
41d14893 RC |
88 | if (fd < 0) { |
89 | if (from != host) | |
90 | printf("%s: ", host); | |
91 | printf("connection to %s is down\n", RM); | |
92 | } else { | |
93 | i = strlen(line); | |
94 | if (write(fd, line, i) != i) | |
95 | fatal("Lost connection"); | |
96 | while ((i = read(fd, line, sizeof(line))) > 0) | |
97 | (void) fwrite(line, 1, i, stdout); | |
98 | (void) close(fd); | |
99 | } | |
100 | } | |
101 | /* | |
102 | * Find all the control files in the spooling directory | |
103 | */ | |
104 | if (chdir(SD) < 0) | |
105 | fatal("cannot chdir to spooling directory"); | |
106 | if ((nitems = getq(&queue)) < 0) | |
107 | fatal("cannot examine spooling area\n"); | |
9729d3b0 | 108 | if (stat(LO, &statb) >= 0 && (statb.st_mode & 010)) { |
41d14893 RC |
109 | if (sendtorem) |
110 | printf("\n%s: ", host); | |
9729d3b0 RC |
111 | printf("Warning: %s queue is turned off\n", printer); |
112 | } | |
113 | if (nitems == 0) { | |
114 | if (!sendtorem) | |
115 | printf("no entries\n"); | |
41d14893 RC |
116 | return(0); |
117 | } | |
118 | fp = fopen(LO, "r"); | |
adec4d9e | 119 | if (fp == NULL || flock(fileno(fp), LOCK_SH|LOCK_NB) == 0) { |
41d14893 | 120 | if (fp != NULL) |
c6d1c018 | 121 | fclose(fp); /* unlocks as well */ |
41d14893 | 122 | garbage = nitems; |
9729d3b0 RC |
123 | if (sendtorem) |
124 | printf("\n%s: ", host); | |
755aa7aa RC |
125 | if (stat(LO, &statb) >= 0 && (statb.st_mode & 0100)) |
126 | printf("Warning: %s is down\n", printer); | |
41d14893 | 127 | else |
755aa7aa | 128 | printf("Warning: no daemon present\n"); |
41d14893 RC |
129 | } else { |
130 | register char *cp = current; | |
131 | ||
132 | /* skip daemon pid */ | |
133 | while ((*cp = getc(fp)) != EOF && *cp != '\n'); | |
134 | /* read current file name */ | |
135 | while ((*cp = getc(fp)) != EOF && *cp != '\n') | |
136 | cp++; | |
137 | *cp = '\0'; | |
138 | fclose(fp); | |
755aa7aa RC |
139 | /* |
140 | * Print the status file to show what the daemon is doing. | |
141 | */ | |
142 | if (sendtorem) | |
143 | printf("\n%s: ", host); | |
adec4d9e SL |
144 | fd = open(ST, O_RDONLY); |
145 | if (fd >= 0) { | |
146 | (void) flock(fd, LOCK_SH); | |
755aa7aa RC |
147 | while ((i = read(fd, line, sizeof(line))) > 0) |
148 | (void) fwrite(line, 1, i, stdout); | |
c6d1c018 | 149 | (void) close(fd); /* unlocks as well */ |
755aa7aa RC |
150 | } else |
151 | putchar('\n'); | |
41d14893 RC |
152 | } |
153 | /* | |
154 | * Now, examine the control files and print out the jobs to | |
155 | * be done for each user. | |
156 | */ | |
41d14893 RC |
157 | if (!lflag) |
158 | header(); | |
159 | for (i = 0; i < nitems; i++) { | |
160 | q = queue[i]; | |
161 | inform(q->q_name); | |
162 | free(q); | |
163 | } | |
164 | free(queue); | |
165 | return(nitems-garbage); | |
166 | } | |
167 | ||
168 | /* | |
169 | * Print the header for the short listing format | |
170 | */ | |
54266d1f | 171 | static |
41d14893 RC |
172 | header() |
173 | { | |
174 | printf(head0); | |
175 | col = strlen(head0)+1; | |
176 | blankfill(SIZCOL); | |
177 | printf(head1); | |
178 | } | |
179 | ||
54266d1f | 180 | static |
41d14893 RC |
181 | inform(cf) |
182 | char *cf; | |
183 | { | |
184 | register int j, k; | |
185 | register char *cp; | |
186 | FILE *cfp; | |
187 | ||
188 | /* | |
189 | * There's a chance the control file has gone away | |
190 | * in the meantime; if this is the case just keep going | |
191 | */ | |
192 | if ((cfp = fopen(cf, "r")) == NULL) | |
193 | return; | |
194 | ||
195 | if (rank < 0) | |
196 | rank = 0; | |
197 | if (sendtorem || garbage || strcmp(cf, current)) | |
198 | rank++; | |
199 | j = 0; | |
200 | while (getline(cfp)) { | |
201 | switch (line[0]) { | |
202 | case 'P': /* Was this file specified in the user's list? */ | |
203 | if (!inlist(line+1, cf)) { | |
204 | fclose(cfp); | |
205 | return; | |
206 | } | |
207 | if (lflag) { | |
208 | printf("\n%s: ", line+1); | |
209 | col = strlen(line+1) + 2; | |
210 | prank(rank); | |
211 | blankfill(JOBCOL); | |
212 | printf(" [job %s]\n", cf+3); | |
213 | } else { | |
214 | col = 0; | |
215 | prank(rank); | |
216 | blankfill(OWNCOL); | |
217 | printf("%-10s %-3d ", line+1, atoi(cf+3)); | |
218 | col += 16; | |
219 | first = 1; | |
220 | } | |
221 | continue; | |
222 | default: /* some format specifer and file name? */ | |
223 | if (line[0] < 'a' || line[0] > 'z') | |
224 | continue; | |
225 | if (j == 0 || strcmp(file, line+1) != 0) | |
226 | strcpy(file, line+1); | |
227 | j++; | |
228 | continue; | |
229 | case 'N': | |
230 | show(line+1, file, j); | |
231 | file[0] = '\0'; | |
232 | j = 0; | |
233 | } | |
234 | } | |
235 | fclose(cfp); | |
236 | if (!lflag) { | |
237 | blankfill(SIZCOL); | |
238 | printf("%D bytes\n", totsize); | |
239 | totsize = 0; | |
240 | } | |
241 | } | |
242 | ||
54266d1f | 243 | static |
41d14893 RC |
244 | inlist(name, file) |
245 | char *name, *file; | |
246 | { | |
247 | register int *r, n; | |
248 | register char **u, *cp; | |
249 | ||
250 | if (users == 0 && requests == 0) | |
251 | return(1); | |
252 | /* | |
253 | * Check to see if it's in the user list | |
254 | */ | |
255 | for (u = user; u < &user[users]; u++) | |
256 | if (!strcmp(*u, name)) | |
257 | return(1); | |
258 | /* | |
259 | * Check the request list | |
260 | */ | |
261 | for (n = 0, cp = file+3; isdigit(*cp); ) | |
262 | n = n * 10 + (*cp++ - '0'); | |
263 | for (r = requ; r < &requ[requests]; r++) | |
264 | if (*r == n && !strcmp(cp, from)) | |
265 | return(1); | |
266 | return(0); | |
267 | } | |
268 | ||
54266d1f | 269 | static |
41d14893 RC |
270 | show(nfile, file, copies) |
271 | register char *nfile, *file; | |
272 | { | |
273 | if (strcmp(nfile, " ") == 0) | |
274 | nfile = "(standard input)"; | |
275 | if (lflag) | |
276 | ldump(nfile, file, copies); | |
277 | else | |
278 | dump(nfile, file, copies); | |
279 | } | |
280 | ||
281 | /* | |
282 | * Fill the line with blanks to the specified column | |
283 | */ | |
54266d1f | 284 | static |
41d14893 RC |
285 | blankfill(n) |
286 | register int n; | |
287 | { | |
288 | while (col++ < n) | |
289 | putchar(' '); | |
290 | } | |
291 | ||
292 | /* | |
293 | * Give the abbreviated dump of the file names | |
294 | */ | |
54266d1f | 295 | static |
41d14893 RC |
296 | dump(nfile, file, copies) |
297 | char *nfile, *file; | |
298 | { | |
299 | register short n, fill; | |
300 | struct stat lbuf; | |
301 | ||
302 | /* | |
303 | * Print as many files as will fit | |
304 | * (leaving room for the total size) | |
305 | */ | |
306 | fill = first ? 0 : 2; /* fill space for ``, '' */ | |
307 | if (((n = strlen(nfile)) + col + fill) >= SIZCOL-4) { | |
308 | if (col < SIZCOL) { | |
309 | printf(" ..."), col += 4; | |
310 | blankfill(SIZCOL); | |
311 | } | |
312 | } else { | |
313 | if (first) | |
314 | first = 0; | |
315 | else | |
316 | printf(", "); | |
317 | printf("%s", nfile); | |
318 | col += n+fill; | |
319 | } | |
320 | if (*file && !stat(file, &lbuf)) | |
321 | totsize += copies * lbuf.st_size; | |
322 | } | |
323 | ||
324 | /* | |
325 | * Print the long info about the file | |
326 | */ | |
54266d1f | 327 | static |
41d14893 RC |
328 | ldump(nfile, file, copies) |
329 | char *nfile, *file; | |
330 | { | |
331 | struct stat lbuf; | |
332 | ||
333 | putchar('\t'); | |
334 | if (copies > 1) | |
335 | printf("%-2d copies of %-19s", copies, nfile); | |
336 | else | |
337 | printf("%-32s", nfile); | |
338 | if (*file && !stat(file, &lbuf)) | |
339 | printf(" %D bytes", lbuf.st_size); | |
340 | else | |
341 | printf(" ??? bytes"); | |
342 | putchar('\n'); | |
343 | } | |
344 | ||
345 | /* | |
346 | * Print the job's rank in the queue, | |
347 | * update col for screen management | |
348 | */ | |
54266d1f | 349 | static |
41d14893 RC |
350 | prank(n) |
351 | { | |
352 | char line[100]; | |
353 | static char *r[] = { | |
354 | "th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th" | |
355 | }; | |
356 | ||
357 | if (n == 0) { | |
358 | printf("active"); | |
359 | col += 6; | |
360 | return; | |
361 | } | |
362 | if ((n/10) == 1) | |
363 | (void) sprintf(line, "%dth", n); | |
364 | else | |
365 | (void) sprintf(line, "%d%s", n, r[n%10]); | |
366 | col += strlen(line); | |
367 | printf("%s", line); | |
368 | } |