usr/src/cmd/hal/probing/network-printer/probe-network-printer.c

   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
  35 int
  36 main(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
 104 out:
 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 }