Linux: Dynamically load libudev.

device/udev_linux/udev0_loader.cc

Index: device/udev_linux/udev0_loader.cc
diff --git a/device/udev_linux/udev0_loader.cc b/device/udev_linux/udev0_loader.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d70b2f26cfbc16687a4ede02031d6af063222bb9
--- /dev/null
+++ b/device/udev_linux/udev0_loader.cc
@@ -0,0 +1,165 @@
+// 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/udev0_loader.h"
+
+#include "library_loaders/libudev0.h"
+
+namespace device {
+
+Udev0Loader::Udev0Loader() {
+}
+
+Udev0Loader::~Udev0Loader() {
+}
+
+bool Udev0Loader::Init() {
+  if (lib_loader_)
+    return lib_loader_->loaded();
+  lib_loader_.reset(new LibUdev0Loader);
+  return lib_loader_->Load("libudev.so.0");
+}
+
+const char* Udev0Loader::udev_device_get_action(udev_device* udev_device) {
+  return lib_loader_->udev_device_get_action(udev_device);
+}
+
+const char* Udev0Loader::udev_device_get_devnode(udev_device* udev_device) {
+  return lib_loader_->udev_device_get_devnode(udev_device);
+}
+
+udev_device* Udev0Loader::udev_device_get_parent(udev_device* udev_device) {
+  return lib_loader_->udev_device_get_parent(udev_device);
+}
+
+udev_device* Udev0Loader::udev_device_get_parent_with_subsystem_devtype(
+    udev_device* udev_device,
+    const char* subsystem,
+    const char* devtype) {
+  return lib_loader_->udev_device_get_parent_with_subsystem_devtype(
+      udev_device, subsystem, devtype);
+}
+
+const char* Udev0Loader::udev_device_get_property_value(
+    udev_device* udev_device,
+    const char* key) {
+  return lib_loader_->udev_device_get_property_value(udev_device, key);
+}
+
+const char* Udev0Loader::udev_device_get_subsystem(udev_device* udev_device) {
+  return lib_loader_->udev_device_get_subsystem(udev_device);
+}
+
+const char* Udev0Loader::udev_device_get_sysattr_value(udev_device* udev_device,
+                                                       const char* sysattr) {
+  return lib_loader_->udev_device_get_sysattr_value(udev_device, sysattr);
+}
+
+const char* Udev0Loader::udev_device_get_sysname(udev_device* udev_device) {
+  return lib_loader_->udev_device_get_sysname(udev_device);
+}
+
+const char* Udev0Loader::udev_device_get_syspath(udev_device* udev_device) {
+  return lib_loader_->udev_device_get_syspath(udev_device);
+}
+
+udev_device* Udev0Loader::udev_device_new_from_devnum(udev* udev,
+                                                      char type,
+                                                      dev_t devnum) {
+  return lib_loader_->udev_device_new_from_devnum(udev, type, devnum);
+}
+
+udev_device* Udev0Loader::udev_device_new_from_syspath(udev* udev,
+                                                       const char* syspath) {
+  return lib_loader_->udev_device_new_from_syspath(udev, syspath);
+}
+
+void Udev0Loader::udev_device_unref(udev_device* udev_device) {
+  lib_loader_->udev_device_unref(udev_device);
+}
+
+int Udev0Loader::udev_enumerate_add_match_subsystem(
+    udev_enumerate* udev_enumerate,
+    const char* subsystem) {
+  return lib_loader_->udev_enumerate_add_match_subsystem(udev_enumerate,
+                                                         subsystem);
+}
+
+udev_list_entry* Udev0Loader::udev_enumerate_get_list_entry(
+    udev_enumerate* udev_enumerate) {
+  return lib_loader_->udev_enumerate_get_list_entry(udev_enumerate);
+}
+
+udev_enumerate* Udev0Loader::udev_enumerate_new(udev* udev) {
+  return lib_loader_->udev_enumerate_new(udev);
+}
+
+int Udev0Loader::udev_enumerate_scan_devices(udev_enumerate* udev_enumerate) {
+  return lib_loader_->udev_enumerate_scan_devices(udev_enumerate);
+}
+
+void Udev0Loader::udev_enumerate_unref(udev_enumerate* udev_enumerate) {
+  lib_loader_->udev_enumerate_unref(udev_enumerate);
+}
+
+udev_list_entry* Udev0Loader::udev_list_entry_get_next(
+    udev_list_entry* list_entry) {
+  return lib_loader_->udev_list_entry_get_next(list_entry);
+}
+
+const char* Udev0Loader::udev_list_entry_get_name(udev_list_entry* list_entry) {
+  return lib_loader_->udev_list_entry_get_name(list_entry);
+}
+
+int Udev0Loader::udev_monitor_enable_receiving(udev_monitor* udev_monitor) {
+  return lib_loader_->udev_monitor_enable_receiving(udev_monitor);
+}
+
+int Udev0Loader::udev_monitor_filter_add_match_subsystem_devtype(
+    udev_monitor* udev_monitor,
+    const char* subsystem,
+    const char* devtype) {
+  return lib_loader_->udev_monitor_filter_add_match_subsystem_devtype(
+      udev_monitor, subsystem, devtype);
+}
+
+int Udev0Loader::udev_monitor_get_fd(udev_monitor* udev_monitor) {
+  return lib_loader_->udev_monitor_get_fd(udev_monitor);
+}
+
+udev_monitor* Udev0Loader::udev_monitor_new_from_netlink(udev* udev,
+                                                         const char* name) {
+  return lib_loader_->udev_monitor_new_from_netlink(udev, name);
+}
+
+udev_device* Udev0Loader::udev_monitor_receive_device(
+    udev_monitor* udev_monitor) {
+  return lib_loader_->udev_monitor_receive_device(udev_monitor);
+}
+
+void Udev0Loader::udev_monitor_unref(udev_monitor* udev_monitor) {
+  lib_loader_->udev_monitor_unref(udev_monitor);
+}
+
+udev* Udev0Loader::udev_new() {
+  return lib_loader_->udev_new();
+}
+
+void Udev0Loader::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 lib_loader_->udev_set_log_fn(udev, log_fn);
+}
+
+void Udev0Loader::udev_set_log_priority(struct udev* udev, int priority) {
+  return lib_loader_->udev_set_log_priority(udev, priority);
+}
+
+void Udev0Loader::udev_unref(udev* udev) {
+  lib_loader_->udev_unref(udev);
+}
+
+}  // namespace device