probing/acpi/probe-acpi.c

/***************************************************************************
 *
 * probe-acpi.c : Probe for ACPI device information
 *
 * Copyright 2009 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 <fcntl.h>
#include <unistd.h>
#include <glib.h>

#include <libhal.h>
#include <logger.h>
#include "../utils/acpi.h"

int
main(int argc, char *argv[])
{
    int ret = 1;
    int fd = -1;
    char *udi;
    char device_file[HAL_PATH_MAX] = "/devices";
    char *devfs_path;
    LibHalContext *ctx = NULL;
    DBusError error;

    if ((udi = getenv("UDI")) == NULL)
        goto out;
    if ((devfs_path = getenv("HAL_PROP_SOLARIS_DEVFS_PATH")) == NULL)
        goto out;
    strlcat(device_file, devfs_path, HAL_PATH_MAX);

    setup_logger();

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

    HAL_DEBUG(("Doing probe-acpi for %s (udi=%s)",
        device_file, udi));

    if ((fd = open(device_file, O_RDONLY | O_NONBLOCK)) < 0) {
        HAL_DEBUG(("Cannot open %s: %s", device_file, strerror(errno)));
        goto out;
    }
    if (strstr(udi, "_ac")) {
        ac_adapter_update(ctx, udi, fd);
    } else if (strstr(udi, "_battery")) {
        battery_update(ctx, udi, fd);
    } else if (strstr(udi, "_lid")) {
        lid_update(ctx, udi, fd);
    } else if (strstr(udi, "_hotkey")) {
        laptop_panel_update(ctx, udi, fd);
    }

    ret = 0;

out:
    if (fd >= 0) {
        close(fd);
    }

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

    return (ret);
}