/***************************************************************************
 *
 * probe-network-printer.c : Probe for snmp printer device information
 *
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 * Licensed under the Academic Free License version 2.1
 *
 **************************************************************************/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <errno.h>
#include <string.h>
#include <strings.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/prnio.h>
#include <fcntl.h>
#include <unistd.h>
#include <ctype.h>

#include <libhal.h>
#include <logger.h>

#include "printer.h"

int
main(int argc, char *argv[])
{
        int ret = 1;
        char *udi;
        char *printer_address,
             *community;
        DBusError error;
        LibHalContext *ctx = NULL;
        LibHalChangeSet *cs = NULL;
        char *manufacturer = NULL,
             *model = NULL,
             *serial_number = NULL,
             *description = NULL,
             **command_set = NULL,
             *device_uri = NULL;
        extern int snmp_printer_info(char *hostname, char *community,
                        char **manufacturer, char **model, char **description,
                        char **serial_number, char ***command_set,
                        char **device_uri);

        dbus_error_init(&error);

        if ((udi = getenv("UDI")) == NULL)
                goto out;

        printer_address = getenv("HAL_PROP_NETWORK_DEVICE_ADDRESS");
        if (printer_address == NULL)
                goto out;

        community = getenv("HAL_PROP_NETWORK_DEVICE_SNMP_COMMUNITY");
        if (community == NULL)
                community = "public";

        setup_logger();

        dbus_error_init(&error);

        if ((ctx = libhal_ctx_init_direct(&error)) == NULL)
                goto out;

        if ((cs = libhal_device_new_changeset(udi)) == NULL) {
                HAL_DEBUG(("Cannot allocate changeset"));
                goto out;
        }

        /* Probe the printer for characteristics via SNMP */
        ret = snmp_printer_info(printer_address, community, &manufacturer,
                        &model, &description, &serial_number, &command_set,
                        &device_uri);
        if (ret < 0) {
                HAL_DEBUG(("Cannot get snmp data for %s: %s",
                                printer_address, strerror(errno)));
                goto out;
        }

        /* Add printer characteristics to the HAL device tree */
        ret = add_printer_info(cs, udi, manufacturer, model, description,
                        serial_number, command_set, device_uri);
        if (ret < 0) {
                HAL_DEBUG(("Cannot add printer data for %s to %s: %s",
                                printer_address, udi, strerror(errno)));
                goto out;
        }

        libhal_device_commit_changeset(ctx, cs, &error);

        ret = 0;

out:
        if (cs != NULL) {
                libhal_device_free_changeset(cs);
        }

        if (ctx != NULL) {
                if (dbus_error_is_set(&error)) {
                        dbus_error_free(&error);
                }
                libhal_ctx_shutdown(ctx, &error);
                libhal_ctx_free(ctx);
        }

        return (ret);
}