[unix-history] / usr / src / usr.sbin / lpr / common_source / displayq.c

/*	displayq.c	4.1	83/04/29	*/
/*
 * Routines to display the state of the queue.
 */

#include "lp.h"

#define	JOBCOL		40	/* column for job # in -l format */
#define OWNCOL		7	/* start of Owner column in normal */

/*
 * Stuff for handling job specifications
 */
extern char	*user[];	/* users to process */
extern int	users;		/* # of users in user array */
extern int	requ[];		/* job number of spool entries */
extern int	requests;	/* # of spool requests */

int	lflag;			/* long output option */
char	current[40];		/* current file being printed */
int	garbage;		/* # of garbage cf files */
int	rank;			/* order to be printed (-1=none, 0=active) */
long	totsize;		/* total print job size in bytes */
int	first;			/* first file in ``files'' column? */
int	col;			/* column on screen */
int	SIZCOL = 62;		/* start of Size column in normal */
int	sendtorem;		/* are we sending to a remote? */
char	file[132];		/* print file name */

char	*head0 = "Rank   Owner      Job  Files";
char	*head1 = "Total Size\n";

/*
 * Display the current state of the queue. Format = 1 if long format.
 */
displayq(format)
	int format;
{
	register struct queue *q;
	register int i, nitems, fd;
	struct queue **queue;
	struct stat statb;
	FILE *fp;

	name = "displayq";
	lflag = format;
	totsize = 0;
	rank = -1;

	if ((i = pgetent(line, printer)) < 0)
		fatal("cannot open printer description file");
	else if (i == 0)
		fatal("unknown printer");
	if ((LP = pgetstr("lp", &bp)) == NULL)
		LP = DEFDEVLP;
	if ((RP = pgetstr("rp", &bp)) == NULL)
		RP = printer;
	if ((SD = pgetstr("sd", &bp)) == NULL)
		SD = DEFSPOOL;
	if ((LO = pgetstr("lo", &bp)) == NULL)
		LO = DEFLOCK;
	if ((ST = pgetstr("st", &bp)) == NULL)
		ST = DEFSTAT;
	RM = pgetstr("rm", &bp);

	/*
	 * If there is no local printer, then print the queue on
	 * the remote machine and then what's in the queue here.
	 * Note that a file in transit may not show up in either queue.
	 */
	if (*LP == '\0') {
		register char *cp;
		char c;

		sendtorem++;
		(void) sprintf(line, "%c%s", format + '\3', RP);
		cp = line;
		for (i = 0; i < requests; i++) {
			cp += strlen(cp);
			(void) sprintf(cp, " %d", requ[i]);
		}
		for (i = 0; i < users; i++) {
			cp += strlen(cp);
			*cp++ = ' ';
			strcpy(cp, user[i]);
		}
		strcat(line, "\n");
		fd = getport();
		if (fd < 0) {
			if (from != host)
				printf("%s: ", host);
			printf("connection to %s is down\n", RM);
		} else {
			i = strlen(line);
			if (write(fd, line, i) != i)
				fatal("Lost connection");
			while ((i = read(fd, line, sizeof(line))) > 0)
				(void) fwrite(line, 1, i, stdout);
			(void) close(fd);
		}
	}
	/*
	 * Find all the control files in the spooling directory
	 */
	if (chdir(SD) < 0)
		fatal("cannot chdir to spooling directory");
	if ((nitems = getq(&queue)) < 0)
		fatal("cannot examine spooling area\n");
	if (nitems == 0) {
		if (sendtorem)
			printf("\n%s: ", host);
		printf("no entries\n");
		return(0);
	}
	fp = fopen(LO, "r");
	if (fp == NULL || flock(fileno(fp), FSHLOCK|FNBLOCK) == 0) {
		if (fp != NULL)
			fclose(fp);
		garbage = nitems;
		if (*LP && stat(LP, &statb) >= 0 && (statb.st_mode & 0777) == 0)
			status("Warning: %s is down", printer);
		else
			status("Warning: no daemon present");
	} else {
		register char *cp = current;

		/* skip daemon pid */
		while ((*cp = getc(fp)) != EOF && *cp != '\n');
		/* read current file name */
		while ((*cp = getc(fp)) != EOF && *cp != '\n')
			cp++;
		*cp = '\0';
		fclose(fp);
	}
	/*
	 * Now, examine the control files and print out the jobs to
	 * be done for each user.
	 */
	if (sendtorem)
		printf("\n%s: ", host);
	if ((fd = open(ST, FRDONLY|FSHLOCK)) >= 0) {
		while ((i = read(fd, line, sizeof(line))) > 0)
			(void) fwrite(line, 1, i, stdout);
		(void) close(fd);
	} else
		putchar('\n');
	if (!lflag)
		header();
	for (i = 0; i < nitems; i++) {
		q = queue[i];
		inform(q->q_name);
		free(q);
	}
	free(queue);
	return(nitems-garbage);
}

/*
 * Print the header for the short listing format
 */
header()
{
	printf(head0);
	col = strlen(head0)+1;
	blankfill(SIZCOL);
	printf(head1);
}

inform(cf)
	char *cf;
{
	register int j, k;
	register char *cp;
	FILE *cfp;

	/*
	 * There's a chance the control file has gone away
	 * in the meantime; if this is the case just keep going
	 */
	if ((cfp = fopen(cf, "r")) == NULL)
		return;

	if (rank < 0)
		rank = 0;
	if (sendtorem || garbage || strcmp(cf, current))
		rank++;
	j = 0;
	while (getline(cfp)) {
		switch (line[0]) {
		case 'P': /* Was this file specified in the user's list? */
			if (!inlist(line+1, cf)) {
				fclose(cfp);
				return;
			}
			if (lflag) {
				printf("\n%s: ", line+1);
				col = strlen(line+1) + 2;
				prank(rank);
				blankfill(JOBCOL);
				printf(" [job %s]\n", cf+3);
			} else {
				col = 0;
				prank(rank);
				blankfill(OWNCOL);
				printf("%-10s %-3d  ", line+1, atoi(cf+3));
				col += 16;
				first = 1;
			}
			continue;
		default: /* some format specifer and file name? */
			if (line[0] < 'a' || line[0] > 'z')
				continue;
			if (j == 0 || strcmp(file, line+1) != 0)
				strcpy(file, line+1);
			j++;
			continue;
		case 'N':
			show(line+1, file, j);
			file[0] = '\0';
			j = 0;
		}
	}
	fclose(cfp);
	if (!lflag) {
		blankfill(SIZCOL);
		printf("%D bytes\n", totsize);
		totsize = 0;
	}
}

inlist(name, file)
	char *name, *file;
{
	register int *r, n;
	register char **u, *cp;

	if (users == 0 && requests == 0)
		return(1);
	/*
	 * Check to see if it's in the user list
	 */
	for (u = user; u < &user[users]; u++)
		if (!strcmp(*u, name))
			return(1);
	/*
	 * Check the request list
	 */
	for (n = 0, cp = file+3; isdigit(*cp); )
		n = n * 10 + (*cp++ - '0');
	for (r = requ; r < &requ[requests]; r++)
		if (*r == n && !strcmp(cp, from))
			return(1);
	return(0);
}

show(nfile, file, copies)
	register char *nfile, *file;
{
	if (strcmp(nfile, " ") == 0)
		nfile = "(standard input)";
	if (lflag)
		ldump(nfile, file, copies);
	else
		dump(nfile, file, copies);
}

/*
 * Fill the line with blanks to the specified column
 */
blankfill(n)
	register int n;
{
	while (col++ < n)
		putchar(' ');
}

/*
 * Give the abbreviated dump of the file names
 */
dump(nfile, file, copies)
	char *nfile, *file;
{
	register short n, fill;
	struct stat lbuf;

	/*
	 * Print as many files as will fit
	 *  (leaving room for the total size)
	 */
	 fill = first ? 0 : 2;	/* fill space for ``, '' */
	 if (((n = strlen(nfile)) + col + fill) >= SIZCOL-4) {
		if (col < SIZCOL) {
			printf(" ..."), col += 4;
			blankfill(SIZCOL);
		}
	} else {
		if (first)
			first = 0;
		else
			printf(", ");
		printf("%s", nfile);
		col += n+fill;
	}
	if (*file && !stat(file, &lbuf))
		totsize += copies * lbuf.st_size;
}

/*
 * Print the long info about the file
 */
ldump(nfile, file, copies)
	char *nfile, *file;
{
	struct stat lbuf;

	putchar('\t');
	if (copies > 1)
		printf("%-2d copies of %-19s", copies, nfile);
	else
		printf("%-32s", nfile);
	if (*file && !stat(file, &lbuf))
		printf(" %D bytes", lbuf.st_size);
	else
		printf(" ??? bytes");
	putchar('\n');
}

/*
 * Print the job's rank in the queue,
 *   update col for screen management
 */
prank(n)
{
	char line[100];
	static char *r[] = {
		"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th"
	};

	if (n == 0) {
		printf("active");
		col += 6;
		return;
	}
	if ((n/10) == 1)
		(void) sprintf(line, "%dth", n);
	else
		(void) sprintf(line, "%d%s", n, r[n%10]);
	col += strlen(line);
	printf("%s", line);
}
Commit	Line	Data
41d14893 RC	1	/* displayq.c 4.1 83/04/29 */
	2	/*
	3	* Routines to display the state of the queue.
	4	*/
	5
	6	#include "lp.h"
	7
	8	#define JOBCOL 40 /* column for job # in -l format */
	9	#define OWNCOL 7 /* start of Owner column in normal */
	10
	11	/*
	12	* Stuff for handling job specifications
	13	*/
	14	extern char user[]; / users to process */
	15	extern int users; /* # of users in user array */
	16	extern int requ[]; /* job number of spool entries */
	17	extern int requests; /* # of spool requests */
	18
	19	int lflag; /* long output option */
	20	char current[40]; /* current file being printed */
	21	int garbage; /* # of garbage cf files */
	22	int rank; /* order to be printed (-1=none, 0=active) */
	23	long totsize; /* total print job size in bytes */
	24	int first; /* first file in ``files'' column? */
	25	int col; /* column on screen */
	26	int SIZCOL = 62; /* start of Size column in normal */
	27	int sendtorem; /* are we sending to a remote? */
	28	char file[132]; /* print file name */
	29
	30	char *head0 = "Rank Owner Job Files";
	31	char *head1 = "Total Size\n";
	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
	45	name = "displayq";
	46	lflag = format;
	47	totsize = 0;
	48	rank = -1;
	49
	50	if ((i = pgetent(line, printer)) < 0)
	51	fatal("cannot open printer description file");
	52	else if (i == 0)
	53	fatal("unknown printer");
	54	if ((LP = pgetstr("lp", &bp)) == NULL)
	55	LP = DEFDEVLP;
	56	if ((RP = pgetstr("rp", &bp)) == NULL)
	57	RP = printer;
	58	if ((SD = pgetstr("sd", &bp)) == NULL)
	59	SD = DEFSPOOL;
	60	if ((LO = pgetstr("lo", &bp)) == NULL)
	61	LO = DEFLOCK;
	62	if ((ST = pgetstr("st", &bp)) == NULL)
	63	ST = DEFSTAT;
	64	RM = pgetstr("rm", &bp);
65
66	/*
67	* If there is no local printer, then print the queue on
68	* the remote machine and then what's in the queue here.
69	* Note that a file in transit may not show up in either queue.
70	*/
71	if (*LP == '\0') {
72	register char *cp;
73	char c;
74
75	sendtorem++;
76	(void) sprintf(line, "%c%s", format + '\3', RP);
77	cp = line;
78	for (i = 0; i < requests; i++) {
79	cp += strlen(cp);
80	(void) sprintf(cp, " %d", requ[i]);
81	}
82	for (i = 0; i < users; i++) {
83	cp += strlen(cp);
84	*cp++ = ' ';
85	strcpy(cp, user[i]);
86	}
87	strcat(line, "\n");
88	fd = getport();
89	if (fd < 0) {
90	if (from != host)
91	printf("%s: ", host);
92	printf("connection to %s is down\n", RM);
93	} else {
94	i = strlen(line);
95	if (write(fd, line, i) != i)
96	fatal("Lost connection");
97	while ((i = read(fd, line, sizeof(line))) > 0)
98	(void) fwrite(line, 1, i, stdout);
99	(void) close(fd);
100	}
101	}
102	/*
103	* Find all the control files in the spooling directory
104	*/
105	if (chdir(SD) < 0)
106	fatal("cannot chdir to spooling directory");
107	if ((nitems = getq(&queue)) < 0)
108	fatal("cannot examine spooling area\n");
109	if (nitems == 0) {
110	if (sendtorem)
111	printf("\n%s: ", host);
112	printf("no entries\n");
113	return(0);
114	}
115	fp = fopen(LO, "r");
116	if (fp == NULL \|\| flock(fileno(fp), FSHLOCK\|FNBLOCK) == 0) {
117	if (fp != NULL)
118	fclose(fp);
119	garbage = nitems;
120	if (*LP && stat(LP, &statb) >= 0 && (statb.st_mode & 0777) == 0)
121	status("Warning: %s is down", printer);
122	else
123	status("Warning: no daemon present");
124	} else {
125	register char *cp = current;
126
127	/* skip daemon pid */
128	while ((cp = getc(fp)) != EOF && cp != '\n');
129	/* read current file name */
130	while ((cp = getc(fp)) != EOF && cp != '\n')
131	cp++;
132	*cp = '\0';
133	fclose(fp);
134	}
135	/*
136	* Now, examine the control files and print out the jobs to
137	* be done for each user.
138	*/
139	if (sendtorem)
140	printf("\n%s: ", host);
141	if ((fd = open(ST, FRDONLY\|FSHLOCK)) >= 0) {
142	while ((i = read(fd, line, sizeof(line))) > 0)
143	(void) fwrite(line, 1, i, stdout);
144	(void) close(fd);
145	} else
146	putchar('\n');
147	if (!lflag)
148	header();
149	for (i = 0; i < nitems; i++) {
150	q = queue[i];
151	inform(q->q_name);
152	free(q);
153	}
154	free(queue);
155	return(nitems-garbage);
156	}
157
158	/*
159	* Print the header for the short listing format
160	*/
161	header()
162	{
163	printf(head0);
164	col = strlen(head0)+1;
165	blankfill(SIZCOL);
166	printf(head1);
167	}
168
169	inform(cf)
170	char *cf;
171	{
172	register int j, k;
173	register char *cp;
174	FILE *cfp;
175
176	/*
177	* There's a chance the control file has gone away
178	* in the meantime; if this is the case just keep going
179	*/
180	if ((cfp = fopen(cf, "r")) == NULL)
181	return;
182
183	if (rank < 0)
184	rank = 0;
185	if (sendtorem \|\| garbage \|\| strcmp(cf, current))
186	rank++;
187	j = 0;
188	while (getline(cfp)) {
189	switch (line[0]) {
190	case 'P': /* Was this file specified in the user's list? */
191	if (!inlist(line+1, cf)) {
192	fclose(cfp);
193	return;
194	}
195	if (lflag) {
196	printf("\n%s: ", line+1);
197	col = strlen(line+1) + 2;
198	prank(rank);
199	blankfill(JOBCOL);
200	printf(" [job %s]\n", cf+3);
201	} else {
202	col = 0;
203	prank(rank);
204	blankfill(OWNCOL);
205	printf("%-10s %-3d ", line+1, atoi(cf+3));
206	col += 16;
207	first = 1;
208	}
209	continue;
210	default: /* some format specifer and file name? */
211	if (line[0] < 'a' \|\| line[0] > 'z')
212	continue;
213	if (j == 0 \|\| strcmp(file, line+1) != 0)
214	strcpy(file, line+1);
215	j++;
216	continue;
217	case 'N':
218	show(line+1, file, j);
219	file[0] = '\0';
220	j = 0;
221	}
222	}
223	fclose(cfp);
224	if (!lflag) {
225	blankfill(SIZCOL);
226	printf("%D bytes\n", totsize);
227	totsize = 0;
228	}
229	}
230
231	inlist(name, file)
232	char name, file;
233	{
234	register int *r, n;
235	register char *u, cp;
236
237	if (users == 0 && requests == 0)
238	return(1);
239	/*
240	* Check to see if it's in the user list
241	*/
242	for (u = user; u < &user[users]; u++)
243	if (!strcmp(*u, name))
244	return(1);
245	/*
246	* Check the request list
247	*/
248	for (n = 0, cp = file+3; isdigit(*cp); )
249	n = n * 10 + (*cp++ - '0');
250	for (r = requ; r < &requ[requests]; r++)
251	if (*r == n && !strcmp(cp, from))
252	return(1);
253	return(0);
254	}
255
256	show(nfile, file, copies)
257	register char nfile, file;
258	{
259	if (strcmp(nfile, " ") == 0)
260	nfile = "(standard input)";
261	if (lflag)
262	ldump(nfile, file, copies);
263	else
264	dump(nfile, file, copies);
265	}
266
267	/*
268	* Fill the line with blanks to the specified column
269	*/
270	blankfill(n)
271	register int n;
272	{
273	while (col++ < n)
274	putchar(' ');
275	}
276
277	/*
278	* Give the abbreviated dump of the file names
279	*/
280	dump(nfile, file, copies)
281	char nfile, file;
282	{
283	register short n, fill;
284	struct stat lbuf;
285
286	/*
287	* Print as many files as will fit
288	* (leaving room for the total size)
289	*/
290	fill = first ? 0 : 2; /* fill space for ``, '' */
291	if (((n = strlen(nfile)) + col + fill) >= SIZCOL-4) {
292	if (col < SIZCOL) {
293	printf(" ..."), col += 4;
294	blankfill(SIZCOL);
295	}
296	} else {
297	if (first)
298	first = 0;
299	else
300	printf(", ");
301	printf("%s", nfile);
302	col += n+fill;
303	}
304	if (*file && !stat(file, &lbuf))
305	totsize += copies * lbuf.st_size;
306	}
307
308	/*
309	* Print the long info about the file
310	*/
311	ldump(nfile, file, copies)
312	char nfile, file;
313	{
314	struct stat lbuf;
315
316	putchar('\t');
317	if (copies > 1)
318	printf("%-2d copies of %-19s", copies, nfile);
319	else
320	printf("%-32s", nfile);
321	if (*file && !stat(file, &lbuf))
322	printf(" %D bytes", lbuf.st_size);
323	else
324	printf(" ??? bytes");
325	putchar('\n');
326	}
327
328	/*
329	* Print the job's rank in the queue,
330	* update col for screen management
331	*/
332	prank(n)
333	{
334	char line[100];
335	static char *r[] = {
336	"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th"
337	};
338
339	if (n == 0) {
340	printf("active");
341	col += 6;
342	return;
343	}
344	if ((n/10) == 1)
345	(void) sprintf(line, "%dth", n);
346	else
347	(void) sprintf(line, "%d%s", n, r[n%10]);
348	col += strlen(line);
349	printf("%s", line);
350	}