+/*
+ Unix SMB/Netbios implementation.
+
+ Virtual lp system for printer testing
+
+ Copyright (C) Tim Potter 2000
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+#define PRINT_TDB "/tmp/vlp.tdb"
+#define PRINT_FIRSTJOB "100"
+
+static TDB_CONTEXT *tdb;
+
+struct vlp_job {
+ fstring owner;
+ int jobid;
+ fstring jobname;
+ int size;
+ int status;
+ time_t submit_time;
+ int deleted;
+};
+
+/* Print usage */
+
+static void usage(void)
+{
+ printf("Usage: print-test lpq|lprm|print|queuepause|queueresume|"
+ "lppause|lpresume [args]\n");
+}
+
+/* Return an array of vlp jobs that is the printer queue */
+
+static void get_job_list(char *printer, struct vlp_job **job_list,
+ int *num_jobs)
+{
+ fstring keystr;
+ TDB_DATA data;
+
+ slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
+ data = tdb_fetch_by_string(tdb, keystr);
+
+ *job_list = (struct vlp_job *)data.dptr;
+ *num_jobs = data.dsize / sizeof(struct vlp_job);
+}
+
+/* Store an array of vl jobs for the queue */
+
+static void set_job_list(char *printer, struct vlp_job *job_list,
+ int num_jobs)
+{
+ fstring keystr;
+
+ slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
+
+ tdb_store_by_string(tdb, keystr, job_list,
+ num_jobs * sizeof(struct vlp_job));
+}
+
+/* Return the next job number for a printer */
+
+static int next_jobnum(char *printer)
+{
+ fstring keystr;
+ int jobnum;
+
+ slprintf(keystr, sizeof(keystr) - 1, "JOBNUM/%s", printer);
+
+ tdb_lock_bystring(tdb, keystr);
+
+ jobnum = tdb_fetch_int(tdb, keystr);
+
+ /* Create next job index if none exists */
+
+ if (jobnum == -1) {
+ jobnum = atoi(PRINT_FIRSTJOB);
+ }
+
+ jobnum++;
+ tdb_store_int(tdb, keystr, jobnum);
+
+ tdb_unlock_bystring(tdb, keystr);
+
+ return jobnum;
+}
+
+static void set_printer_status(char *printer, int status)
+{
+ fstring keystr;
+ int result;
+
+ slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
+ result = tdb_store_int(tdb, keystr, status);
+}
+
+static int get_printer_status(char *printer)
+{
+ fstring keystr;
+ TDB_DATA data;
+
+ slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
+
+ data.dptr = keystr;
+ data.dsize = strlen(keystr) + 1;
+
+ if (!tdb_exists(tdb, data)) {
+ set_printer_status(printer, LPSTAT_OK);
+ return LPSTAT_OK;
+ }
+
+ return tdb_fetch_int(tdb, keystr);
+}
+
+/* Display printer queue */
+
+static int lpq_command(int argc, char **argv)
+{
+ char *printer;
+ struct vlp_job *job_list = NULL;
+ int i, num_jobs, job_count = 0;
+
+ if (argc != 2) {
+ printf("Usage: lpq <printername>\n");
+ return 1;
+ }
+
+ printer = argv[1];
+
+ /* Display printer status */
+
+ switch (get_printer_status(printer)) {
+ case LPSTAT_OK:
+ printf("enabled\n");
+ break;
+ case LPSTAT_STOPPED:
+ printf("disabled\n");
+ break;
+ case LPSTAT_ERROR:
+ default:
+ printf("error\n");
+ break;
+ }
+
+ /* Print queued documents */
+
+ get_job_list(printer, &job_list, &num_jobs);
+
+ for (i = 0; i < num_jobs; i++) {
+ if (job_list[i].deleted) continue;
+ printf("%d\t%d\t%d\t%ld\t%s\t%s\n", job_list[i].jobid,
+ job_list[i].size,
+ (i == 0 && job_list[i].status == LPQ_QUEUED) ?
+ LPQ_SPOOLING : job_list[i].status,
+ job_list[i].submit_time, job_list[i].owner,
+ job_list[i].jobname);
+ job_count++;
+ }
+
+ free(job_list);
+
+ return 0;
+}
+
+/* Remove a job */
+
+static int lprm_command(int argc, char **argv)
+{
+ char *printer;
+ int jobid, num_jobs, i;
+ struct vlp_job *job_list;
+
+ if (argc < 3) {
+ printf("Usage: lprm <printername> <jobid>\n");
+ return 1;
+ }
+
+ printer = argv[1];
+ jobid = atoi(argv[2]);
+
+ get_job_list(printer, &job_list, &num_jobs);
+
+ for (i = 0; i < num_jobs; i++) {
+ if (job_list[i].jobid == jobid) {
+ job_list[i].deleted = 1;
+ set_job_list(printer, job_list, num_jobs);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+/* print command = print-test %p %s */
+
+static int print_command(int argc, char **argv)
+{
+ char *printer;
+ fstring keystr;
+ struct passwd *pw;
+ TDB_DATA value;
+ struct vlp_job job;
+ int i;
+
+ if (argc < 3) {
+ printf("Usage: print <printername> <jobname>\n");
+ return 1;
+ }
+
+ printer = argv[1];
+
+ ZERO_STRUCT(job);
+
+ /* Create a job record */
+
+ for (i = 2; i < argc; i++) {
+ fstrcat(job.jobname, argv[i]);
+ if (i < argc - 1) {
+ fstrcat(job.jobname, " ");
+ }
+ }
+
+ if (!(pw = getpwuid(getuid()))) {
+ return 1;
+ }
+
+ fstrcpy(job.owner, pw->pw_name);
+
+ job.jobid = next_jobnum(printer);
+ job.size = 666;
+ job.submit_time = time(NULL);
+
+ /* Store job entry in queue */
+
+ slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
+
+ value = tdb_fetch_by_string(tdb, keystr);
+
+ if (value.dptr) {
+
+ /* Add job to end of queue */
+
+ value.dptr = realloc(value.dptr, value.dsize +
+ sizeof(struct vlp_job));
+ if (!value.dptr) return 1;
+
+ memcpy(value.dptr + value.dsize, &job, sizeof(struct vlp_job));
+
+ tdb_store_by_string(tdb, keystr, value.dptr, value.dsize +
+ sizeof(struct vlp_job));
+
+ free(value.dptr);
+
+ } else {
+
+ /* Create new queue */
+
+ tdb_store_by_string(tdb, keystr, &job, sizeof(struct vlp_job));
+ }
+
+ return 0;
+}
+
+/* Pause the queue */
+
+static int queuepause_command(int argc, char **argv)
+{
+ char *printer;
+
+ if (argc != 2) {
+ printf("Usage: queuepause <printername>\n");
+ return 1;
+ }
+
+ printer = argv[1];
+ set_printer_status(printer, LPSTAT_STOPPED);
+
+ return 0;
+}
+
+/* Resume the queue */
+
+static int queueresume_command(int argc, char **argv)
+{
+ char *printer;
+
+ if (argc != 2) {
+ printf("Usage: queueresume <printername>\n");
+ return 1;
+ }
+
+ printer = argv[1];
+ set_printer_status(printer, LPSTAT_OK);
+
+ return 0;
+}
+
+/* Pause a job */
+
+static int lppause_command(int argc, char **argv)
+{
+ struct vlp_job *job_list;
+ char *printer;
+ int jobid, num_jobs, i;
+
+ if (argc != 3) {
+ printf("Usage: lppause <printername> <jobid>\n");
+ return 1;
+ }
+
+ printer = argv[1];
+ jobid = atoi(argv[2]);
+
+ get_job_list(printer, &job_list, &num_jobs);
+
+ for (i = 0; i < num_jobs; i++) {
+ if (job_list[i].jobid == jobid) {
+ job_list[i].status = LPQ_PAUSED;
+ set_job_list(printer, job_list, num_jobs);
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+/* Resume a job */
+
+static int lpresume_command(int argc, char **argv)
+{
+ struct vlp_job *job_list;
+ char *printer;
+ int jobid, num_jobs, i;
+
+ if (argc != 3) {
+ printf("Usage: lpresume <printername> <jobid>\n");
+ return 1;
+ }
+
+ printer = argv[1];
+ jobid = atoi(argv[2]);
+
+ get_job_list(printer, &job_list, &num_jobs);
+
+ for (i = 0; i < num_jobs; i++) {
+ if (job_list[i].jobid == jobid) {
+ job_list[i].status = LPQ_QUEUED;
+ set_job_list(printer, job_list, num_jobs);
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+int main(int argc, char **argv)
+{
+ /* Parameter check */
+
+ if (argc == 1) {
+ usage();
+ return 1;
+ }
+
+ /* Initialise */
+
+ if (!(tdb = tdb_open(PRINT_TDB, 0, 0, O_RDWR | O_CREAT,
+ 0666))) {
+ printf("%s: unable to open %s\n", argv[0], PRINT_TDB);
+ return 1;
+ }
+
+ /* Ensure we are modes 666 */
+
+ chmod(PRINT_TDB, 0666);
+
+ /* Do commands */
+
+ if (strcmp(argv[1], "lpq") == 0) {
+ return lpq_command(argc - 1, &argv[1]);
+ }
+
+ if (strcmp(argv[1], "lprm") == 0) {
+ return lprm_command(argc - 1, &argv[1]);
+ }
+
+ if (strcmp(argv[1], "print") == 0) {
+ return print_command(argc - 1, &argv[1]);
+ }
+
+ if (strcmp(argv[1], "queuepause") == 0) {
+ return queuepause_command(argc - 1, &argv[1]);
+ }
+
+ if (strcmp(argv[1], "queueresume") == 0) {
+ return queueresume_command(argc - 1, &argv[1]);
+ }
+
+ if (strcmp(argv[1], "lppause") == 0) {
+ return lppause_command(argc - 1, &argv[1]);
+ }
+
+ if (strcmp(argv[1], "lpresume") == 0) {
+ return lpresume_command(argc - 1, &argv[1]);
+ }
+
+ /* Unknown command */
+
+ printf("%s: invalid command %s\n", argv[0], argv[1]);
+ return 1;
+}
git.samba.org / ira / wip.git / commitdiff