122427Sdist /*
222427Sdist  * Copyright (c) 1983 Regents of the University of California.
334203Sbostic  * All rights reserved.
434203Sbostic  *
542801Sbostic  * %sccs.include.redist.c%
622427Sdist  */
722427Sdist 
813952Ssam #ifndef lint
9*55470Sbostic static char sccsid[] = "@(#)displayq.c	5.14 (Berkeley) 07/21/92";
1034203Sbostic #endif /* not lint */
1113952Ssam 
12*55470Sbostic #include <sys/param.h>
13*55470Sbostic #include <sys/stat.h>
1412113Sralph 
15*55470Sbostic #include <signal.h>
16*55470Sbostic #include <fcntl.h>
17*55470Sbostic #include <dirent.h>
18*55470Sbostic #include <unistd.h>
19*55470Sbostic #include <stdio.h>
20*55470Sbostic #include <stdlib.h>
21*55470Sbostic #include <string.h>
22*55470Sbostic #include <ctype.h>
2312113Sralph #include "lp.h"
24*55470Sbostic #include "lp.local.h"
2537968Sbostic #include "pathnames.h"
2612113Sralph 
27*55470Sbostic /*
28*55470Sbostic  * Routines to display the state of the queue.
29*55470Sbostic  */
3013170Sralph #define JOBCOL	40		/* column for job # in -l format */
3113170Sralph #define OWNCOL	7		/* start of Owner column in normal */
3213170Sralph #define SIZCOL	62		/* start of Size column in normal */
3312113Sralph 
3412113Sralph /*
3512113Sralph  * Stuff for handling job specifications
3612113Sralph  */
3712113Sralph extern char	*user[];	/* users to process */
3812113Sralph extern int	users;		/* # of users in user array */
3912113Sralph extern int	requ[];		/* job number of spool entries */
4012113Sralph extern int	requests;	/* # of spool requests */
4112113Sralph 
4216758Sralph int	lflag;		/* long output option */
4316758Sralph char	current[40];	/* current file being printed */
4416758Sralph int	garbage;	/* # of garbage cf files */
4516758Sralph int	rank;		/* order to be printed (-1=none, 0=active) */
4616758Sralph long	totsize;	/* total print job size in bytes */
4716758Sralph int	first;		/* first file in ``files'' column? */
4816758Sralph int	col;		/* column on screen */
4916758Sralph char	file[132];	/* print file name */
5012113Sralph 
5116758Sralph char	*head0 = "Rank   Owner      Job  Files";
5216758Sralph char	*head1 = "Total Size\n";
5312113Sralph 
5412113Sralph /*
5512113Sralph  * Display the current state of the queue. Format = 1 if long format.
5612113Sralph  */
57*55470Sbostic void
5812113Sralph displayq(format)
5912113Sralph 	int format;
6012113Sralph {
6112113Sralph 	register struct queue *q;
6212113Sralph 	register int i, nitems, fd;
6330995Sbostic 	register char	*cp;
6412113Sralph 	struct queue **queue;
6512113Sralph 	struct stat statb;
6612113Sralph 	FILE *fp;
6712113Sralph 
6812113Sralph 	lflag = format;
6912113Sralph 	totsize = 0;
7012113Sralph 	rank = -1;
7112113Sralph 
7212113Sralph 	if ((i = pgetent(line, printer)) < 0)
7312113Sralph 		fatal("cannot open printer description file");
7412113Sralph 	else if (i == 0)
7512113Sralph 		fatal("unknown printer");
7612113Sralph 	if ((LP = pgetstr("lp", &bp)) == NULL)
7737968Sbostic 		LP = _PATH_DEFDEVLP;
7812113Sralph 	if ((RP = pgetstr("rp", &bp)) == NULL)
7912434Sralph 		RP = DEFLP;
8012113Sralph 	if ((SD = pgetstr("sd", &bp)) == NULL)
8137968Sbostic 		SD = _PATH_DEFSPOOL;
8212113Sralph 	if ((LO = pgetstr("lo", &bp)) == NULL)
8312113Sralph 		LO = DEFLOCK;
8412113Sralph 	if ((ST = pgetstr("st", &bp)) == NULL)
8512113Sralph 		ST = DEFSTAT;
8612113Sralph 	RM = pgetstr("rm", &bp);
8738736Stef 	if (cp = checkremote())
8838736Stef 		printf("Warning: %s\n", cp);
8912113Sralph 
9012113Sralph 	/*
9130995Sbostic 	 * Print out local queue
9212113Sralph 	 * Find all the control files in the spooling directory
9312113Sralph 	 */
9412113Sralph 	if (chdir(SD) < 0)
9512113Sralph 		fatal("cannot chdir to spooling directory");
9612113Sralph 	if ((nitems = getq(&queue)) < 0)
9712113Sralph 		fatal("cannot examine spooling area\n");
9816205Sralph 	if (stat(LO, &statb) >= 0) {
9916205Sralph 		if (statb.st_mode & 0100) {
10016205Sralph 			if (sendtorem)
10116205Sralph 				printf("%s: ", host);
10216205Sralph 			printf("Warning: %s is down: ", printer);
10316205Sralph 			fd = open(ST, O_RDONLY);
10416205Sralph 			if (fd >= 0) {
10516205Sralph 				(void) flock(fd, LOCK_SH);
10616205Sralph 				while ((i = read(fd, line, sizeof(line))) > 0)
10716205Sralph 					(void) fwrite(line, 1, i, stdout);
10816205Sralph 				(void) close(fd);	/* unlocks as well */
10916205Sralph 			} else
11016205Sralph 				putchar('\n');
11116205Sralph 		}
11216205Sralph 		if (statb.st_mode & 010) {
11316205Sralph 			if (sendtorem)
11416205Sralph 				printf("%s: ", host);
11516205Sralph 			printf("Warning: %s queue is turned off\n", printer);
11616205Sralph 		}
11712740Sralph 	}
11812113Sralph 
11930995Sbostic 	if (nitems) {
12030995Sbostic 		fp = fopen(LO, "r");
12130995Sbostic 		if (fp == NULL)
12213441Sralph 			warn();
12313441Sralph 		else {
12430995Sbostic 			/* get daemon pid */
12513441Sralph 			cp = current;
12613441Sralph 			while ((*cp = getc(fp)) != EOF && *cp != '\n')
12713441Sralph 				cp++;
12813441Sralph 			*cp = '\0';
12930995Sbostic 			i = atoi(current);
13030995Sbostic 			if (i <= 0 || kill(i, 0) < 0)
13130995Sbostic 				warn();
13230995Sbostic 			else {
13330995Sbostic 				/* read current file name */
13430995Sbostic 				cp = current;
13530995Sbostic 				while ((*cp = getc(fp)) != EOF && *cp != '\n')
13630995Sbostic 					cp++;
13730995Sbostic 				*cp = '\0';
13830995Sbostic 				/*
13930995Sbostic 				 * Print the status file.
14030995Sbostic 				 */
14130995Sbostic 				if (sendtorem)
14230995Sbostic 					printf("%s: ", host);
14330995Sbostic 				fd = open(ST, O_RDONLY);
14430995Sbostic 				if (fd >= 0) {
14530995Sbostic 					(void) flock(fd, LOCK_SH);
14630995Sbostic 					while ((i = read(fd, line, sizeof(line))) > 0)
14730995Sbostic 						(void) fwrite(line, 1, i, stdout);
14830995Sbostic 					(void) close(fd);	/* unlocks as well */
14930995Sbostic 				} else
15030995Sbostic 					putchar('\n');
15130995Sbostic 			}
15230995Sbostic 			(void) fclose(fp);
15313441Sralph 		}
15430995Sbostic 		/*
15530995Sbostic 		 * Now, examine the control files and print out the jobs to
15630995Sbostic 		 * be done for each user.
15730995Sbostic 		 */
15830995Sbostic 		if (!lflag)
15930995Sbostic 			header();
16030995Sbostic 		for (i = 0; i < nitems; i++) {
16130995Sbostic 			q = queue[i];
16230995Sbostic 			inform(q->q_name);
16330995Sbostic 			free(q);
16430995Sbostic 		}
16530995Sbostic 		free(queue);
16612113Sralph 	}
16731678Skarels 	if (!sendtorem) {
16831678Skarels 		if (nitems == 0)
16931678Skarels 			puts("no entries");
17030995Sbostic 		return;
17130995Sbostic 	}
17230995Sbostic 
17312113Sralph 	/*
17430995Sbostic 	 * Print foreign queue
17530995Sbostic 	 * Note that a file in transit may show up in either queue.
17612113Sralph 	 */
17730995Sbostic 	if (nitems)
17830995Sbostic 		putchar('\n');
17930995Sbostic 	(void) sprintf(line, "%c%s", format + '\3', RP);
18030995Sbostic 	cp = line;
18130995Sbostic 	for (i = 0; i < requests; i++) {
18230995Sbostic 		cp += strlen(cp);
18330995Sbostic 		(void) sprintf(cp, " %d", requ[i]);
18412113Sralph 	}
18530995Sbostic 	for (i = 0; i < users; i++) {
18630995Sbostic 		cp += strlen(cp);
18730995Sbostic 		*cp++ = ' ';
18830995Sbostic 		(void) strcpy(cp, user[i]);
18930995Sbostic 	}
19030995Sbostic 	strcat(line, "\n");
19130995Sbostic 	fd = getport(RM);
19230995Sbostic 	if (fd < 0) {
19330995Sbostic 		if (from != host)
19430995Sbostic 			printf("%s: ", host);
19530995Sbostic 		printf("connection to %s is down\n", RM);
19630995Sbostic 	}
19730995Sbostic 	else {
19830995Sbostic 		i = strlen(line);
19930995Sbostic 		if (write(fd, line, i) != i)
20030995Sbostic 			fatal("Lost connection");
20130995Sbostic 		while ((i = read(fd, line, sizeof(line))) > 0)
20230995Sbostic 			(void) fwrite(line, 1, i, stdout);
20330995Sbostic 		(void) close(fd);
20430995Sbostic 	}
20512113Sralph }
20612113Sralph 
20712113Sralph /*
20813441Sralph  * Print a warning message if there is no daemon present.
20913441Sralph  */
210*55470Sbostic void
21113441Sralph warn()
21213441Sralph {
21313441Sralph 	if (sendtorem)
21413441Sralph 		printf("\n%s: ", host);
21530995Sbostic 	puts("Warning: no daemon present");
21613441Sralph 	current[0] = '\0';
21713441Sralph }
21813441Sralph 
21913441Sralph /*
22012113Sralph  * Print the header for the short listing format
22112113Sralph  */
222*55470Sbostic void
22312113Sralph header()
22412113Sralph {
22512113Sralph 	printf(head0);
22612113Sralph 	col = strlen(head0)+1;
22712113Sralph 	blankfill(SIZCOL);
22812113Sralph 	printf(head1);
22912113Sralph }
23012113Sralph 
231*55470Sbostic void
23212113Sralph inform(cf)
23312113Sralph 	char *cf;
23412113Sralph {
235*55470Sbostic 	register int j;
23612113Sralph 	FILE *cfp;
23712113Sralph 
23812113Sralph 	/*
23912113Sralph 	 * There's a chance the control file has gone away
24012113Sralph 	 * in the meantime; if this is the case just keep going
24112113Sralph 	 */
24212113Sralph 	if ((cfp = fopen(cf, "r")) == NULL)
24312113Sralph 		return;
24412113Sralph 
24512113Sralph 	if (rank < 0)
24612113Sralph 		rank = 0;
24712113Sralph 	if (sendtorem || garbage || strcmp(cf, current))
24812113Sralph 		rank++;
24912113Sralph 	j = 0;
25012113Sralph 	while (getline(cfp)) {
25112113Sralph 		switch (line[0]) {
25212113Sralph 		case 'P': /* Was this file specified in the user's list? */
25312113Sralph 			if (!inlist(line+1, cf)) {
25412113Sralph 				fclose(cfp);
25512113Sralph 				return;
25612113Sralph 			}
25712113Sralph 			if (lflag) {
25812113Sralph 				printf("\n%s: ", line+1);
25912113Sralph 				col = strlen(line+1) + 2;
26012113Sralph 				prank(rank);
26112113Sralph 				blankfill(JOBCOL);
26212113Sralph 				printf(" [job %s]\n", cf+3);
26312113Sralph 			} else {
26412113Sralph 				col = 0;
26512113Sralph 				prank(rank);
26612113Sralph 				blankfill(OWNCOL);
26712113Sralph 				printf("%-10s %-3d  ", line+1, atoi(cf+3));
26812113Sralph 				col += 16;
26912113Sralph 				first = 1;
27012113Sralph 			}
27112113Sralph 			continue;
27212113Sralph 		default: /* some format specifer and file name? */
27312113Sralph 			if (line[0] < 'a' || line[0] > 'z')
27412113Sralph 				continue;
27512113Sralph 			if (j == 0 || strcmp(file, line+1) != 0)
27630995Sbostic 				(void) strcpy(file, line+1);
27712113Sralph 			j++;
27812113Sralph 			continue;
27912113Sralph 		case 'N':
28012113Sralph 			show(line+1, file, j);
28112113Sralph 			file[0] = '\0';
28212113Sralph 			j = 0;
28312113Sralph 		}
28412113Sralph 	}
28512113Sralph 	fclose(cfp);
28612113Sralph 	if (!lflag) {
28712113Sralph 		blankfill(SIZCOL);
28834587Sbostic 		printf("%ld bytes\n", totsize);
28912113Sralph 		totsize = 0;
29012113Sralph 	}
29112113Sralph }
29212113Sralph 
293*55470Sbostic int
29412113Sralph inlist(name, file)
29512113Sralph 	char *name, *file;
29612113Sralph {
29712113Sralph 	register int *r, n;
29812113Sralph 	register char **u, *cp;
29912113Sralph 
30012113Sralph 	if (users == 0 && requests == 0)
30112113Sralph 		return(1);
30212113Sralph 	/*
30312113Sralph 	 * Check to see if it's in the user list
30412113Sralph 	 */
30512113Sralph 	for (u = user; u < &user[users]; u++)
30612113Sralph 		if (!strcmp(*u, name))
30712113Sralph 			return(1);
30812113Sralph 	/*
30912113Sralph 	 * Check the request list
31012113Sralph 	 */
31112113Sralph 	for (n = 0, cp = file+3; isdigit(*cp); )
31212113Sralph 		n = n * 10 + (*cp++ - '0');
31312113Sralph 	for (r = requ; r < &requ[requests]; r++)
31412113Sralph 		if (*r == n && !strcmp(cp, from))
31512113Sralph 			return(1);
31612113Sralph 	return(0);
31712113Sralph }
31812113Sralph 
319*55470Sbostic void
32012113Sralph show(nfile, file, copies)
32112113Sralph 	register char *nfile, *file;
322*55470Sbostic 	int copies;
32312113Sralph {
32412113Sralph 	if (strcmp(nfile, " ") == 0)
32512113Sralph 		nfile = "(standard input)";
32612113Sralph 	if (lflag)
32712113Sralph 		ldump(nfile, file, copies);
32812113Sralph 	else
32912113Sralph 		dump(nfile, file, copies);
33012113Sralph }
33112113Sralph 
33212113Sralph /*
33312113Sralph  * Fill the line with blanks to the specified column
33412113Sralph  */
335*55470Sbostic void
33612113Sralph blankfill(n)
33712113Sralph 	register int n;
33812113Sralph {
33912113Sralph 	while (col++ < n)
34012113Sralph 		putchar(' ');
34112113Sralph }
34212113Sralph 
34312113Sralph /*
34412113Sralph  * Give the abbreviated dump of the file names
34512113Sralph  */
346*55470Sbostic void
34712113Sralph dump(nfile, file, copies)
34812113Sralph 	char *nfile, *file;
349*55470Sbostic 	int copies;
35012113Sralph {
35112113Sralph 	register short n, fill;
35212113Sralph 	struct stat lbuf;
35312113Sralph 
35412113Sralph 	/*
35512113Sralph 	 * Print as many files as will fit
35612113Sralph 	 *  (leaving room for the total size)
35712113Sralph 	 */
35812113Sralph 	 fill = first ? 0 : 2;	/* fill space for ``, '' */
35912113Sralph 	 if (((n = strlen(nfile)) + col + fill) >= SIZCOL-4) {
36012113Sralph 		if (col < SIZCOL) {
36112113Sralph 			printf(" ..."), col += 4;
36212113Sralph 			blankfill(SIZCOL);
36312113Sralph 		}
36412113Sralph 	} else {
36512113Sralph 		if (first)
36612113Sralph 			first = 0;
36712113Sralph 		else
36812113Sralph 			printf(", ");
36912113Sralph 		printf("%s", nfile);
37012113Sralph 		col += n+fill;
37112113Sralph 	}
37212113Sralph 	if (*file && !stat(file, &lbuf))
37312113Sralph 		totsize += copies * lbuf.st_size;
37412113Sralph }
37512113Sralph 
37612113Sralph /*
37712113Sralph  * Print the long info about the file
37812113Sralph  */
379*55470Sbostic void
38012113Sralph ldump(nfile, file, copies)
38112113Sralph 	char *nfile, *file;
382*55470Sbostic 	int copies;
38312113Sralph {
38412113Sralph 	struct stat lbuf;
38512113Sralph 
38612113Sralph 	putchar('\t');
38712113Sralph 	if (copies > 1)
38812113Sralph 		printf("%-2d copies of %-19s", copies, nfile);
38912113Sralph 	else
39012113Sralph 		printf("%-32s", nfile);
39112113Sralph 	if (*file && !stat(file, &lbuf))
392*55470Sbostic 		printf(" %qd bytes", lbuf.st_size);
39312113Sralph 	else
39412113Sralph 		printf(" ??? bytes");
39512113Sralph 	putchar('\n');
39612113Sralph }
39712113Sralph 
39812113Sralph /*
39912113Sralph  * Print the job's rank in the queue,
40012113Sralph  *   update col for screen management
40112113Sralph  */
402*55470Sbostic void
40312113Sralph prank(n)
404*55470Sbostic 	int n;
40512113Sralph {
406*55470Sbostic 	char rline[100];
40712113Sralph 	static char *r[] = {
40812113Sralph 		"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th"
40912113Sralph 	};
41012113Sralph 
41112113Sralph 	if (n == 0) {
41212113Sralph 		printf("active");
41312113Sralph 		col += 6;
41412113Sralph 		return;
41512113Sralph 	}
41638491Sbostic 	if ((n/10)%10 == 1)
417*55470Sbostic 		(void)snprintf(rline, sizeof(rline), "%dth", n);
41812113Sralph 	else
419*55470Sbostic 		(void)snprintf(rline, sizeof(rline), "%d%s", n, r[n%10]);
420*55470Sbostic 	col += strlen(rline);
421*55470Sbostic 	printf("%s", rline);
42212113Sralph }
423