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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "device/udev_linux/udev.h"
#include <stddef.h>
#include "base/strings/string_util.h"
#include "device/udev_linux/udev_loader.h"
namespace device {
namespace {
std::string StringOrEmptyIfNull(const char* value) {
return value ? value : std::string();
}
} // namespace
const char* udev_device_get_action(udev_device* udev_device) {
return UdevLoader::Get()->udev_device_get_action(udev_device);
}
const char* udev_device_get_devnode(udev_device* udev_device) {
return UdevLoader::Get()->udev_device_get_devnode(udev_device);
}
const char* udev_device_get_devtype(udev_device* udev_device) {
return UdevLoader::Get()->udev_device_get_devtype(udev_device);
}
udev_device* udev_device_get_parent(udev_device* udev_device) {
return UdevLoader::Get()->udev_device_get_parent(udev_device);
}
udev_device* udev_device_get_parent_with_subsystem_devtype(
udev_device* udev_device,
const char* subsystem,
const char* devtype) {
return UdevLoader::Get()->udev_device_get_parent_with_subsystem_devtype(
udev_device, subsystem, devtype);
}
udev_list_entry* udev_device_get_properties_list_entry(
struct udev_device* udev_device) {
return UdevLoader::Get()->udev_device_get_properties_list_entry(udev_device);
}
const char* udev_device_get_property_value(udev_device* udev_device,
const char* key) {
return UdevLoader::Get()->udev_device_get_property_value(udev_device, key);
}
const char* udev_device_get_subsystem(udev_device* udev_device) {
return UdevLoader::Get()->udev_device_get_subsystem(udev_device);
}
const char* udev_device_get_sysattr_value(udev_device* udev_device,
const char* sysattr) {
return UdevLoader::Get()->udev_device_get_sysattr_value(udev_device, sysattr);
}
const char* udev_device_get_sysname(udev_device* udev_device) {
return UdevLoader::Get()->udev_device_get_sysname(udev_device);
}
const char* udev_device_get_syspath(udev_device* udev_device) {
return UdevLoader::Get()->udev_device_get_syspath(udev_device);
}
udev_device* udev_device_new_from_devnum(udev* udev, char type, dev_t devnum) {
return UdevLoader::Get()->udev_device_new_from_devnum(udev, type, devnum);
}
udev_device* udev_device_new_from_subsystem_sysname(
udev* udev,
const char* subsystem,
const char* sysname) {
return UdevLoader::Get()->udev_device_new_from_subsystem_sysname(
udev, subsystem, sysname);
}
udev_device* udev_device_new_from_syspath(udev* udev, const char* syspath) {
return UdevLoader::Get()->udev_device_new_from_syspath(udev, syspath);
}
void udev_device_unref(udev_device* udev_device) {
UdevLoader::Get()->udev_device_unref(udev_device);
}
int udev_enumerate_add_match_subsystem(udev_enumerate* udev_enumerate,
const char* subsystem) {
return UdevLoader::Get()->udev_enumerate_add_match_subsystem(udev_enumerate,
subsystem);
}
udev_list_entry* udev_enumerate_get_list_entry(udev_enumerate* udev_enumerate) {
return UdevLoader::Get()->udev_enumerate_get_list_entry(udev_enumerate);
}
udev_enumerate* udev_enumerate_new(udev* udev) {
return UdevLoader::Get()->udev_enumerate_new(udev);
}
int udev_enumerate_scan_devices(udev_enumerate* udev_enumerate) {
return UdevLoader::Get()->udev_enumerate_scan_devices(udev_enumerate);
}
void udev_enumerate_unref(udev_enumerate* udev_enumerate) {
UdevLoader::Get()->udev_enumerate_unref(udev_enumerate);
}
udev_list_entry* udev_list_entry_get_next(udev_list_entry* list_entry) {
return UdevLoader::Get()->udev_list_entry_get_next(list_entry);
}
const char* udev_list_entry_get_name(udev_list_entry* list_entry) {
return UdevLoader::Get()->udev_list_entry_get_name(list_entry);
}
int udev_monitor_enable_receiving(udev_monitor* udev_monitor) {
return UdevLoader::Get()->udev_monitor_enable_receiving(udev_monitor);
}
int udev_monitor_filter_add_match_subsystem_devtype(udev_monitor* udev_monitor,
const char* subsystem,
const char* devtype) {
return UdevLoader::Get()->udev_monitor_filter_add_match_subsystem_devtype(
udev_monitor, subsystem, devtype);
}
int udev_monitor_get_fd(udev_monitor* udev_monitor) {
return UdevLoader::Get()->udev_monitor_get_fd(udev_monitor);
}
udev_monitor* udev_monitor_new_from_netlink(udev* udev, const char* name) {
return UdevLoader::Get()->udev_monitor_new_from_netlink(udev, name);
}
udev_device* udev_monitor_receive_device(udev_monitor* udev_monitor) {
return UdevLoader::Get()->udev_monitor_receive_device(udev_monitor);
}
void udev_monitor_unref(udev_monitor* udev_monitor) {
UdevLoader::Get()->udev_monitor_unref(udev_monitor);
}
udev* udev_new() {
return UdevLoader::Get()->udev_new();
}
void udev_unref(udev* udev) {
UdevLoader::Get()->udev_unref(udev);
}
std::string UdevDeviceGetPropertyValue(udev_device* udev_device,
const char* key) {
return StringOrEmptyIfNull(udev_device_get_property_value(udev_device, key));
}
std::string UdevDeviceGetSysattrValue(udev_device* udev_device,
const char* key) {
return StringOrEmptyIfNull(udev_device_get_sysattr_value(udev_device, key));
}
std::string UdevDeviceRecursiveGetSysattrValue(udev_device* udev_device,
const char* key) {
while (udev_device) {
const char* result = udev_device_get_sysattr_value(udev_device, key);
if (result) {
return result;
}
udev_device = udev_device_get_parent(udev_device);
}
return "";
}
std::string UdevDecodeString(const std::string& encoded) {
std::string decoded;
const size_t size = encoded.size();
for (size_t i = 0; i < size; ++i) {
char c = encoded[i];
if ((i + 3 < size) && c == '\\' && encoded[i + 1] == 'x') {
c = (base::HexDigitToInt(encoded[i + 2]) << 4) +
base::HexDigitToInt(encoded[i + 3]);
i += 3;
}
decoded.push_back(c);
}
return decoded;
}
} // namespace device
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