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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "device/udev_linux/udev.h" |
| 6 |
| 7 #include "base/strings/string_util.h" |
| 8 #include "device/udev_linux/udev_loader.h" |
| 9 |
| 10 namespace device { |
| 11 |
| 12 namespace { |
| 13 |
| 14 std::string StringOrEmptyIfNull(const char* value) { |
| 15 return value ? value : std::string(); |
| 16 } |
| 17 |
| 18 } // namespace |
| 19 |
| 20 const char* udev_device_get_action(udev_device* udev_device) { |
| 21 return UdevLoader::Get()->udev_device_get_action(udev_device); |
| 22 } |
| 23 |
| 24 const char* udev_device_get_devnode(udev_device* udev_device) { |
| 25 return UdevLoader::Get()->udev_device_get_devnode(udev_device); |
| 26 } |
| 27 |
| 28 udev_device* udev_device_get_parent(udev_device* udev_device) { |
| 29 return UdevLoader::Get()->udev_device_get_parent(udev_device); |
| 30 } |
| 31 |
| 32 udev_device* udev_device_get_parent_with_subsystem_devtype( |
| 33 udev_device* udev_device, |
| 34 const char* subsystem, |
| 35 const char* devtype) { |
| 36 return UdevLoader::Get()->udev_device_get_parent_with_subsystem_devtype( |
| 37 udev_device, subsystem, devtype); |
| 38 } |
| 39 |
| 40 const char* udev_device_get_property_value(udev_device* udev_device, |
| 41 const char* key) { |
| 42 return UdevLoader::Get()->udev_device_get_property_value(udev_device, key); |
| 43 } |
| 44 |
| 45 const char* udev_device_get_subsystem(udev_device* udev_device) { |
| 46 return UdevLoader::Get()->udev_device_get_subsystem(udev_device); |
| 47 } |
| 48 |
| 49 const char* udev_device_get_sysattr_value(udev_device* udev_device, |
| 50 const char* sysattr) { |
| 51 return UdevLoader::Get()->udev_device_get_sysattr_value(udev_device, sysattr); |
| 52 } |
| 53 |
| 54 const char* udev_device_get_sysname(udev_device* udev_device) { |
| 55 return UdevLoader::Get()->udev_device_get_sysname(udev_device); |
| 56 } |
| 57 |
| 58 const char* udev_device_get_syspath(udev_device* udev_device) { |
| 59 return UdevLoader::Get()->udev_device_get_syspath(udev_device); |
| 60 } |
| 61 |
| 62 udev_device* udev_device_new_from_devnum(udev* udev, char type, dev_t devnum) { |
| 63 return UdevLoader::Get()->udev_device_new_from_devnum(udev, type, devnum); |
| 64 } |
| 65 |
| 66 udev_device* udev_device_new_from_subsystem_sysname( |
| 67 udev* udev, |
| 68 const char* subsystem, |
| 69 const char* sysname) { |
| 70 return UdevLoader::Get()->udev_device_new_from_subsystem_sysname( |
| 71 udev, subsystem, sysname); |
| 72 } |
| 73 |
| 74 udev_device* udev_device_new_from_syspath(udev* udev, const char* syspath) { |
| 75 return UdevLoader::Get()->udev_device_new_from_syspath(udev, syspath); |
| 76 } |
| 77 |
| 78 void udev_device_unref(udev_device* udev_device) { |
| 79 UdevLoader::Get()->udev_device_unref(udev_device); |
| 80 } |
| 81 |
| 82 int udev_enumerate_add_match_subsystem(udev_enumerate* udev_enumerate, |
| 83 const char* subsystem) { |
| 84 return UdevLoader::Get()->udev_enumerate_add_match_subsystem(udev_enumerate, |
| 85 subsystem); |
| 86 } |
| 87 |
| 88 udev_list_entry* udev_enumerate_get_list_entry(udev_enumerate* udev_enumerate) { |
| 89 return UdevLoader::Get()->udev_enumerate_get_list_entry(udev_enumerate); |
| 90 } |
| 91 |
| 92 udev_enumerate* udev_enumerate_new(udev* udev) { |
| 93 return UdevLoader::Get()->udev_enumerate_new(udev); |
| 94 } |
| 95 |
| 96 int udev_enumerate_scan_devices(udev_enumerate* udev_enumerate) { |
| 97 return UdevLoader::Get()->udev_enumerate_scan_devices(udev_enumerate); |
| 98 } |
| 99 |
| 100 void udev_enumerate_unref(udev_enumerate* udev_enumerate) { |
| 101 UdevLoader::Get()->udev_enumerate_unref(udev_enumerate); |
| 102 } |
| 103 |
| 104 udev_list_entry* udev_list_entry_get_next(udev_list_entry* list_entry) { |
| 105 return UdevLoader::Get()->udev_list_entry_get_next(list_entry); |
| 106 } |
| 107 |
| 108 const char* udev_list_entry_get_name(udev_list_entry* list_entry) { |
| 109 return UdevLoader::Get()->udev_list_entry_get_name(list_entry); |
| 110 } |
| 111 |
| 112 int udev_monitor_enable_receiving(udev_monitor* udev_monitor) { |
| 113 return UdevLoader::Get()->udev_monitor_enable_receiving(udev_monitor); |
| 114 } |
| 115 |
| 116 int udev_monitor_filter_add_match_subsystem_devtype(udev_monitor* udev_monitor, |
| 117 const char* subsystem, |
| 118 const char* devtype) { |
| 119 return UdevLoader::Get()->udev_monitor_filter_add_match_subsystem_devtype( |
| 120 udev_monitor, subsystem, devtype); |
| 121 } |
| 122 |
| 123 int udev_monitor_get_fd(udev_monitor* udev_monitor) { |
| 124 return UdevLoader::Get()->udev_monitor_get_fd(udev_monitor); |
| 125 } |
| 126 |
| 127 udev_monitor* udev_monitor_new_from_netlink(udev* udev, const char* name) { |
| 128 return UdevLoader::Get()->udev_monitor_new_from_netlink(udev, name); |
| 129 } |
| 130 |
| 131 udev_device* udev_monitor_receive_device(udev_monitor* udev_monitor) { |
| 132 return UdevLoader::Get()->udev_monitor_receive_device(udev_monitor); |
| 133 } |
| 134 |
| 135 void udev_monitor_unref(udev_monitor* udev_monitor) { |
| 136 UdevLoader::Get()->udev_monitor_unref(udev_monitor); |
| 137 } |
| 138 |
| 139 udev* udev_new() { |
| 140 return UdevLoader::Get()->udev_new(); |
| 141 } |
| 142 |
| 143 void udev_set_log_fn( |
| 144 struct udev* udev, |
| 145 void (*log_fn)(struct udev* udev, int priority, const char* file, int line, |
| 146 const char* fn, const char* format, va_list args)) { |
| 147 return UdevLoader::Get()->udev_set_log_fn(udev, log_fn); |
| 148 } |
| 149 |
| 150 void udev_set_log_priority(struct udev* udev, int priority) { |
| 151 return UdevLoader::Get()->udev_set_log_priority(udev, priority); |
| 152 } |
| 153 |
| 154 void udev_unref(udev* udev) { |
| 155 UdevLoader::Get()->udev_unref(udev); |
| 156 } |
| 157 |
| 158 std::string UdevDeviceGetPropertyValue(udev_device* udev_device, |
| 159 const char* key) { |
| 160 return StringOrEmptyIfNull(udev_device_get_property_value(udev_device, key)); |
| 161 } |
| 162 |
| 163 std::string UdevDeviceGetSysattrValue(udev_device* udev_device, |
| 164 const char* key) { |
| 165 return StringOrEmptyIfNull(udev_device_get_sysattr_value(udev_device, key)); |
| 166 } |
| 167 |
| 168 std::string UdevDecodeString(const std::string& encoded) { |
| 169 std::string decoded; |
| 170 const size_t size = encoded.size(); |
| 171 for (size_t i = 0; i < size; ++i) { |
| 172 char c = encoded[i]; |
| 173 if ((i + 3 < size) && c == '\\' && encoded[i + 1] == 'x') { |
| 174 c = (HexDigitToInt(encoded[i + 2]) << 4) + |
| 175 HexDigitToInt(encoded[i + 3]); |
| 176 i += 3; |
| 177 } |
| 178 decoded.push_back(c); |
| 179 } |
| 180 return decoded; |
| 181 } |
| 182 |
| 183 } // namespace device |
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