probe-network-printer.c revision 5307:ea4512a0e608 
1/***************************************************************************
2 *
3 * probe-network-printer.c : Probe for snmp printer device information
4 *
5 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
6 * Use is subject to license terms.
7 *
8 * Licensed under the Academic Free License version 2.1
9 *
10 **************************************************************************/
11
12#pragma ident	"%Z%%M%	%I%	%E% SMI"
13
14#ifdef HAVE_CONFIG_H
15#  include <config.h>
16#endif
17
18#include <errno.h>
19#include <string.h>
20#include <strings.h>
21#include <ctype.h>
22#include <stdlib.h>
23#include <stdio.h>
24#include <sys/ioctl.h>
25#include <sys/prnio.h>
26#include <fcntl.h>
27#include <unistd.h>
28#include <ctype.h>
29
30#include <libhal.h>
31#include <logger.h>
32
33#include "printer.h"
34
35int
36main(int argc, char *argv[])
37{
38	int ret = 1;
39	char *udi;
40	char *printer_address,
41	     *community;
42	DBusError error;
43	LibHalContext *ctx = NULL;
44	LibHalChangeSet *cs = NULL;
45	char *manufacturer = NULL,
46	     *model = NULL,
47	     *serial_number = NULL,
48	     *description = NULL,
49	     **command_set = NULL,
50	     *device_uri = NULL;
51	extern int snmp_printer_info(char *hostname, char *community,
52			char **manufacturer, char **model, char **description,
53			char **serial_number, char ***command_set,
54			char **device_uri);
55
56	dbus_error_init(&error);
57
58	if ((udi = getenv("UDI")) == NULL)
59		goto out;
60
61	printer_address = getenv("HAL_PROP_NETWORK_DEVICE_ADDRESS");
62	if (printer_address == NULL)
63		goto out;
64
65	community = getenv("HAL_PROP_NETWORK_DEVICE_SNMP_COMMUNITY");
66	if (community == NULL)
67		community = "public";
68
69	setup_logger();
70
71	dbus_error_init(&error);
72
73	if ((ctx = libhal_ctx_init_direct(&error)) == NULL)
74		goto out;
75
76	if ((cs = libhal_device_new_changeset(udi)) == NULL) {
77		HAL_DEBUG(("Cannot allocate changeset"));
78		goto out;
79	}
80
81	/* Probe the printer for characteristics via SNMP */
82	ret = snmp_printer_info(printer_address, community, &manufacturer,
83			&model, &description, &serial_number, &command_set,
84			&device_uri);
85	if (ret < 0) {
86		HAL_DEBUG(("Cannot get snmp data for %s: %s",
87				printer_address, strerror(errno)));
88		goto out;
89	}
90
91	/* Add printer characteristics to the HAL device tree */
92	ret = add_printer_info(cs, udi, manufacturer, model, description,
93			serial_number, command_set, device_uri);
94	if (ret < 0) {
95		HAL_DEBUG(("Cannot add printer data for %s to %s: %s",
96				printer_address, udi, strerror(errno)));
97		goto out;
98	}
99
100	libhal_device_commit_changeset(ctx, cs, &error);
101
102	ret = 0;
103
104out:
105	if (cs != NULL) {
106		libhal_device_free_changeset(cs);
107	}
108
109	if (ctx != NULL) {
110		if (dbus_error_is_set(&error)) {
111			dbus_error_free(&error);
112		}
113		libhal_ctx_shutdown(ctx, &error);
114		libhal_ctx_free(ctx);
115	}
116
117	return (ret);
118}
119