| // 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. |
| |
| #ifndef DEVICE_UDEV_LINUX_UDEV_H_ |
| #define DEVICE_UDEV_LINUX_UDEV_H_ |
| |
| #include <stdarg.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| |
| #include <string> |
| |
| #if !defined(USE_UDEV) |
| #error "USE_UDEV not defined" |
| #endif |
| |
| // Adapted from libudev.h. |
| #define udev_list_entry_foreach(list_entry, first_entry) \ |
| for (list_entry = first_entry; list_entry != NULL; \ |
| list_entry = ::device::udev_list_entry_get_next(list_entry)) |
| |
| // Forward declarations of opaque structs. |
| struct udev; |
| struct udev_device; |
| struct udev_enumerate; |
| struct udev_list_entry; |
| struct udev_monitor; |
| |
| namespace device { |
| |
| const char* udev_device_get_action(udev_device* udev_device); |
| const char* udev_device_get_devnode(udev_device* udev_device); |
| udev_device* udev_device_get_parent(udev_device* udev_device); |
| udev_device* udev_device_get_parent_with_subsystem_devtype( |
| udev_device* udev_device, |
| const char* subsystem, |
| const char* devtype); |
| const char* udev_device_get_property_value(udev_device* udev_device, |
| const char* key); |
| const char* udev_device_get_subsystem(udev_device* udev_device); |
| const char* udev_device_get_sysattr_value(udev_device* udev_device, |
| const char* sysattr); |
| const char* udev_device_get_sysname(udev_device* udev_device); |
| const char* udev_device_get_syspath(udev_device* udev_device); |
| udev_device* udev_device_new_from_devnum(udev* udev, char type, dev_t devnum); |
| udev_device* udev_device_new_from_subsystem_sysname( |
| udev* udev, |
| const char* subsystem, |
| const char* sysname); |
| udev_device* udev_device_new_from_syspath(udev* udev, const char* syspath); |
| void udev_device_unref(udev_device* udev_device); |
| int udev_enumerate_add_match_subsystem(udev_enumerate* udev_enumerate, |
| const char* subsystem); |
| udev_list_entry* udev_enumerate_get_list_entry(udev_enumerate* udev_enumerate); |
| udev_enumerate* udev_enumerate_new(udev* udev); |
| int udev_enumerate_scan_devices(udev_enumerate* udev_enumerate); |
| void udev_enumerate_unref(udev_enumerate* udev_enumerate); |
| udev_list_entry* udev_list_entry_get_next(udev_list_entry* list_entry); |
| const char* udev_list_entry_get_name(udev_list_entry* list_entry); |
| int udev_monitor_enable_receiving(udev_monitor* udev_monitor); |
| int udev_monitor_filter_add_match_subsystem_devtype(udev_monitor* udev_monitor, |
| const char* subsystem, |
| const char* devtype); |
| int udev_monitor_get_fd(udev_monitor* udev_monitor); |
| udev_monitor* udev_monitor_new_from_netlink(udev* udev, const char* name); |
| udev_device* udev_monitor_receive_device(udev_monitor* udev_monitor); |
| void udev_monitor_unref(udev_monitor* udev_monitor); |
| udev* 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)); |
| void udev_set_log_priority(struct udev* udev, int priority); |
| void udev_unref(udev* udev); |
| |
| // Calls udev_device_get_property_value() and replaces missing values with |
| // the empty string. |
| std::string UdevDeviceGetPropertyValue(udev_device* udev_device, |
| const char* key); |
| |
| // Calls udev_device_get_sysattr_value() and replaces missing values with |
| // the empty string. |
| std::string UdevDeviceGetSysattrValue(udev_device* udev_device, |
| const char* key); |
| |
| // Walks up the chain of parent devices calling udev_device_get_sysattr_value() |
| // until a value is found. If no value is found, an empty string is returned. |
| std::string UdevDeviceRecursiveGetSysattrValue(udev_device* udev_device, |
| const char* key); |
| |
| // Decodes udev-encoded string. Useful for decoding "*_ENC" udev properties. |
| std::string UdevDecodeString(const std::string& encoded); |
| |
| } // namespace device |
| |
| #endif // DEVICE_UDEV_LINUX_UDEV_H_ |