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- // Copyright 2014 The Chromium Authors. All rights reserved.
- // 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_set_log_fn(
- struct udev* udev,
- void (*log_fn)(struct udev* udev, int priority, const char* file, int line,
- const char* fn, const char* format, va_list args)) {
- return UdevLoader::Get()->udev_set_log_fn(udev, log_fn);
- }
- void udev_set_log_priority(struct udev* udev, int priority) {
- return UdevLoader::Get()->udev_set_log_priority(udev, priority);
- }
- 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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