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/***************************************************************************
* CVSID: $Id$
*
* linux_usb.c : USB handling on Linux 2.6
*
* Copyright (C) 2003 David Zeuthen, <david@fubar.dk>
*
* Licensed under the Academic Free License version 2.0
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
**************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <assert.h>
#include <unistd.h>
#include <stdarg.h>
#include "../logger.h"
#include "../device_store.h"
#include "bus_device.h"
#include "common.h"
/**
* @defgroup HalDaemonLinuxUsbIF USB interfaces
* @ingroup HalDaemonLinux
* @brief USB interfaces
* @{
*/
/** Specialised accept function since both USB devices and USB interfaces
* share the same bus name
*
* @param self Pointer to class members
* @param path Sysfs-path for device
* @param device libsysfs object for device
* @param is_probing Set to TRUE only on initial detection
*/
static dbus_bool_t
usbif_device_accept (BusDeviceHandler *self, const char *path,
struct sysfs_device *device, dbus_bool_t is_probing)
{
unsigned int i;
if (strcmp (device->bus, "usb") != 0)
return FALSE;
/* only USB interfaces got a : in the bus_id */
for (i = 0; device->bus_id[i] != 0; i++) {
if (device->bus_id[i] == ':') {
return TRUE;
}
}
return FALSE;
}
static char *
usbif_device_compute_udi (HalDevice *d, int append_num)
{
int i, len;
const char *format;
const char *pd;
const char *name;
static char buf[256];
if (append_num == -1)
format = "/org/freedesktop/Hal/devices/usbif_%s_%d";
else
format = "/org/freedesktop/Hal/devices/usbif_%s_%d-%d";
hal_device_print (d);
pd = hal_device_property_get_string (d, "info.parent");
len = strlen (pd);
for (i = len - 1; pd[i] != '/' && i >= 0; i--);
name = pd + i + 1;
snprintf (buf, 256, format,
name,
hal_device_property_get_int (d, "usbif.number"), append_num);
return buf;
}
static void
usbif_device_post_process (BusDeviceHandler *self,
HalDevice *d,
const char *sysfs_path,
struct sysfs_device *device)
{
int i;
int len;
struct sysfs_attribute *cur;
char attr_name[SYSFS_NAME_LEN];
dlist_for_each_data (sysfs_get_device_attributes (device), cur,
struct sysfs_attribute) {
if (sysfs_get_name_from_path (cur->path,
attr_name,
SYSFS_NAME_LEN) != 0)
continue;
/* strip whitespace */
len = strlen (cur->value);
for (i = len - 1; i > 0 && isspace (cur->value[i]); --i)
cur->value[i] = '\0';
/*printf("attr_name=%s -> '%s'\n", attr_name, cur->value); */
if (strcmp (attr_name, "bInterfaceClass") == 0)
hal_device_property_set_int (d, "usbif.interface_class",
parse_dec (cur->value));
else if (strcmp (attr_name, "bInterfaceSubClass") == 0)
hal_device_property_set_int (d, "usbif.interface_subclass",
parse_dec (cur->value));
else if (strcmp (attr_name, "bInterfaceProtocol") == 0)
hal_device_property_set_int (d, "usbif.interface_protocol",
parse_dec (cur->value));
else if (strcmp (attr_name, "bInterfaceNumber") == 0)
hal_device_property_set_int (d, "usbif.number",
parse_dec (cur->value));
}
hal_device_property_set_bool (d, "info.virtual", TRUE);
}
/** Method specialisations for bustype usbif */
BusDeviceHandler usbif_bus_handler = {
bus_device_init, /**< init function */
bus_device_detection_done, /**< detection is done */
bus_device_shutdown, /**< shutdown function */
bus_device_tick, /**< timer function */
usbif_device_accept, /**< accept function */
bus_device_visit, /**< visitor function */
bus_device_removed, /**< device is removed */
usbif_device_compute_udi, /**< UDI computing function */
usbif_device_post_process, /**< add more properties */
bus_device_got_udi, /**< got UDI */
"usb", /**< sysfs bus name */
"usbif" /**< namespace */
};
/** @} */
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