2 * ------+---------+---------+---------+---------+---------+---------+---------*
3 * Copyright (c) 2002 - Garance Alistair Drosehn <gad@FreeBSD.org>.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * The views and conclusions contained in the software and documentation
28 * are those of the authors and should not be interpreted as representing
29 * official policies, either expressed or implied, of the FreeBSD Project
32 * ------+---------+---------+---------+---------+---------+---------+---------*
35 #include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */
36 __FBSDID("$FreeBSD$");
39 * movejobs.c - The lpc commands which move jobs around.
43 #include <sys/param.h>
44 #include <sys/queue.h>
49 #include <dirent.h> /* just for MAXNAMLEN, for job_cfname in lp.h! */
56 #include "matchjobs.h"
59 /* Values for origcmd in tqbq_common() */
63 static int process_jobs(int _argc, char *_argv[], process_jqe
64 _process_rtn, void *myinfo);
65 static process_jqe touch_jqe;
66 static void tqbq_common(int _argc, char *_argv[], int _origcmd);
69 * isdigit is defined to work on an 'int', in the range 0 to 255, plus EOF.
70 * Define a wrapper which can take 'char', either signed or unsigned.
72 #define isdigitch(Anychar) isdigit(((int) Anychar) & 255)
74 struct touchjqe_info { /* for topq/bottomq */
79 static struct jobqueue **queue;
82 * Process all the jobs, as specified by the user.
85 process_jobs(int argc, char *argv[], process_jqe process_rtn, void *myinfo)
87 struct jobspec_hdr jobs_wanted;
88 int i, matchcnt, pjres;
90 STAILQ_INIT(&jobs_wanted);
91 for (i = 0; i < argc; i++) {
92 pjres = parse_jobspec(argv[i], &jobs_wanted);
94 printf("\tinvalid job specifier: %s\n", argv[i]);
98 matchcnt = scanq_jobspec(nitems, queue, SCQ_JSORDER, &jobs_wanted,
101 free_jobspec(&jobs_wanted);
106 * Reposition the job by changing the modification time of the
110 touch_jqe(void *myinfo, struct jobqueue *jq, struct jobspec *jspec)
112 struct timeval tvp[2];
113 struct touchjqe_info *touch_info;
117 * If the entire queue has been scanned for the current jobspec,
118 * then let the user know if there were no jobs matched by that
122 if (jspec->matchcnt == 0) {
123 format_jobspec(jspec, FMTJS_VERBOSE);
124 if (jspec->pluralfmt)
125 printf("\tjobs %s are not in the queue\n",
128 printf("\tjob %s is not in the queue\n",
135 * Do a little juggling with "matched" vs "processed", so a single
136 * job can be matched by multiple specifications, and yet it will
137 * be moved only once. This is so, eg, 'topq lp 7 7' will not
138 * complain "job 7 is not in queue" for the second specification.
141 if (jq->job_processed) {
142 printf("\tmoved %s earlier\n", jq->job_cfname);
145 jq->job_processed = 1;
148 tvp[0].tv_sec = tvp[1].tv_sec = ++touch_info->newtime;
149 tvp[0].tv_usec = tvp[1].tv_usec = 0;
151 ret = utimes(jq->job_cfname, tvp);
155 if (jspec->matcheduser)
156 printf("\tmoved %s (user %s)\n", jq->job_cfname,
159 printf("\tmoved %s\n", jq->job_cfname);
165 * Put the specified jobs at the bottom of printer queue.
168 bottomq_cmd(int argc, char *argv[])
172 printf("usage: bottomq printer [jobspec ...]\n");
175 --argc; /* First argv was the command name */
178 tqbq_common(argc, argv, IS_BOTQ);
182 * Put the specified jobs at the top of printer queue.
185 topq_cmd(int argc, char *argv[])
189 printf("usage: topq printer [jobspec ...]\n");
192 --argc; /* First argv was the command name */
195 tqbq_common(argc, argv, IS_TOPQ);
199 * Processing in common between topq and bottomq commands.
202 tqbq_common(int argc, char *argv[], int origcmd)
204 struct printer myprinter, *pp;
205 struct touchjqe_info touch_info;
206 int i, movecnt, setres;
208 pp = setup_myprinter(*argv, &myprinter, SUMP_CHDIR_SD);
211 --argc; /* Second argv was the printer name */
214 nitems = getq(pp, &queue);
216 printf("\tthere are no jobs in the queue\n");
222 * The only real difference between topq and bottomq is the
223 * initial value used for newtime.
228 * When moving jobs to the bottom of the queue, pick a
229 * starting value which is one second after the last job
232 touch_info.newtime = queue[nitems - 1]->job_time + 1;
236 * When moving jobs to the top of the queue, the greatest
237 * number of jobs which could be moved is all the jobs
238 * that are in the queue. Pick a starting value which
239 * leaves plenty of room for all existing jobs.
241 touch_info.newtime = queue[0]->job_time - nitems - 5;
244 printf("\ninternal error in topq/bottomq processing.\n");
248 movecnt = process_jobs(argc, argv, touch_jqe, &touch_info);
251 * If any jobs were moved, then chmod the lock file to notify any
252 * active process for this queue that the queue has changed, so
253 * it will rescan the queue to find out the new job order.
256 printf("\tqueue order unchanged\n");
258 setres = set_qstate(SQS_QCHANGED, pp->lock_file);
260 printf("\t* queue order changed for %s, but the\n"
261 "\t* attempt to set_qstate() failed [%d]!\n",
262 pp->printer, setres);
265 for (i = 0; i < nitems; i++)