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-rw-r--r--brillo/udev/udev_monitor.h72
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diff --git a/brillo/udev/udev_monitor.h b/brillo/udev/udev_monitor.h
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--- a/brillo/udev/udev_monitor.h
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-// Copyright (c) 2013 The Chromium OS 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 LIBBRILLO_BRILLO_UDEV_UDEV_MONITOR_H_
-#define LIBBRILLO_BRILLO_UDEV_UDEV_MONITOR_H_
-
-#include <memory>
-
-#include <base/macros.h>
-#include <brillo/brillo_export.h>
-
-struct udev_monitor;
-
-namespace brillo {
-
-class UdevDevice;
-
-// A udev monitor, which wraps a udev_monitor C struct from libudev and related
-// library functions into a C++ object.
-class BRILLO_EXPORT UdevMonitor {
- public:
- static const int kInvalidFileDescriptor = -1;
-
- // Constructs a UdevMonitor object by taking a raw pointer to a udev_monitor
- // struct as |monitor|. The ownership of |monitor| is not transferred, but its
- // reference count is increased by one during the lifetime of this object.
- explicit UdevMonitor(udev_monitor* monitor);
-
- // Destructs this UdevMonitor object and decreases the reference count of the
- // underlying udev_monitor struct by one.
- virtual ~UdevMonitor();
-
- // Wraps udev_monitor_enable_receiving(). Returns true on success.
- virtual bool EnableReceiving();
-
- // Wraps udev_monitor_get_fd().
- virtual int GetFileDescriptor() const;
-
- // Wraps udev_monitor_receive_device().
- virtual std::unique_ptr<UdevDevice> ReceiveDevice();
-
- // Wraps udev_monitor_filter_add_match_subsystem_devtype(). Returns true on
- // success.
- virtual bool FilterAddMatchSubsystemDeviceType(const char* subsystem,
- const char* device_type);
-
- // Wraps udev_monitor_filter_add_match_tag(). Returns true on success.
- virtual bool FilterAddMatchTag(const char* tag);
-
- // Wraps udev_monitor_filter_update(). Returns true on success.
- virtual bool FilterUpdate();
-
- // Wraps udev_monitor_filter_remove(). Returns true on success.
- virtual bool FilterRemove();
-
- private:
- // Allows MockUdevMonitor to invoke the private default constructor below.
- friend class MockUdevMonitor;
-
- // Constructs a UdevMonitor object without referencing a udev_monitor struct,
- // which is only allowed to be called by MockUdevMonitor.
- UdevMonitor();
-
- udev_monitor* monitor_;
-
- DISALLOW_COPY_AND_ASSIGN(UdevMonitor);
-};
-
-} // namespace brillo
-
-#endif // LIBBRILLO_BRILLO_UDEV_UDEV_MONITOR_H_