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1 // Copyright (c) 2014 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef DEVICE_HID_HID_CONNECTION_LINUX_H_ | 5 #ifndef DEVICE_HID_HID_CONNECTION_LINUX_H_ |
6 #define DEVICE_HID_HID_CONNECTION_LINUX_H_ | 6 #define DEVICE_HID_HID_CONNECTION_LINUX_H_ |
7 | 7 |
8 #include "base/files/file.h" | 8 #include "base/files/file.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "device/hid/hid_connection.h" | 10 #include "device/hid/hid_connection.h" |
11 #include "device/hid/hid_device_info.h" | 11 #include "device/hid/hid_device_info.h" |
12 #include "device/hid/hid_service_linux.h" | 12 #include "device/hid/hid_service_linux.h" |
13 | 13 |
14 namespace device { | 14 namespace device { |
15 | 15 |
16 class HidConnectionLinux : public HidConnection, | 16 class HidConnectionLinux : public HidConnection, |
17 public base::MessagePumpLibevent::Watcher { | 17 public base::MessagePumpLibevent::Watcher { |
18 public: | 18 public: |
19 HidConnectionLinux(HidDeviceInfo device_info, | 19 HidConnectionLinux(HidDeviceInfo device_info, std::string dev_node); |
20 ScopedUdevDevicePtr udev_raw_device); | |
21 | 20 |
22 virtual void Read(scoped_refptr<net::IOBufferWithSize> buffer, | 21 virtual void Read(scoped_refptr<net::IOBufferWithSize> buffer, |
23 const IOCallback& callback) OVERRIDE; | 22 const IOCallback& callback) OVERRIDE; |
24 virtual void Write(uint8_t report_id, | 23 virtual void Write(uint8_t report_id, |
25 scoped_refptr<net::IOBufferWithSize> buffer, | 24 scoped_refptr<net::IOBufferWithSize> buffer, |
26 const IOCallback& callback) OVERRIDE; | 25 const IOCallback& callback) OVERRIDE; |
27 virtual void GetFeatureReport(uint8_t report_id, | 26 virtual void GetFeatureReport(uint8_t report_id, |
28 scoped_refptr<net::IOBufferWithSize> buffer, | 27 scoped_refptr<net::IOBufferWithSize> buffer, |
29 const IOCallback& callback) OVERRIDE; | 28 const IOCallback& callback) OVERRIDE; |
30 virtual void SendFeatureReport(uint8_t report_id, | 29 virtual void SendFeatureReport(uint8_t report_id, |
31 scoped_refptr<net::IOBufferWithSize> buffer, | 30 scoped_refptr<net::IOBufferWithSize> buffer, |
32 const IOCallback& callback) OVERRIDE; | 31 const IOCallback& callback) OVERRIDE; |
33 | 32 |
34 // Implements base::MessagePumpLibevent::Watcher | 33 // Implements base::MessagePumpLibevent::Watcher |
35 virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE; | 34 virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE; |
36 virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE; | 35 virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE; |
37 | 36 |
38 private: | 37 private: |
39 friend class base::RefCountedThreadSafe<HidConnectionLinux>; | 38 friend class base::RefCountedThreadSafe<HidConnectionLinux>; |
40 virtual ~HidConnectionLinux(); | 39 virtual ~HidConnectionLinux(); |
41 | 40 |
42 static bool FindHidrawDevNode(udev_device* parent, std::string* result); | |
43 | |
44 void ProcessReadQueue(); | 41 void ProcessReadQueue(); |
45 void Disconnect(); | 42 void Disconnect(); |
46 | 43 |
47 base::File device_file_; | 44 base::File device_file_; |
48 base::MessagePumpLibevent::FileDescriptorWatcher device_file_watcher_; | 45 base::MessagePumpLibevent::FileDescriptorWatcher device_file_watcher_; |
49 | 46 |
50 std::queue<PendingHidReport> pending_reports_; | 47 std::queue<PendingHidReport> pending_reports_; |
51 std::queue<PendingHidRead> pending_reads_; | 48 std::queue<PendingHidRead> pending_reads_; |
52 | 49 |
53 base::ThreadChecker thread_checker_; | 50 base::ThreadChecker thread_checker_; |
54 | 51 |
55 DISALLOW_COPY_AND_ASSIGN(HidConnectionLinux); | 52 DISALLOW_COPY_AND_ASSIGN(HidConnectionLinux); |
56 }; | 53 }; |
57 | 54 |
58 } // namespace device | 55 } // namespace device |
59 | 56 |
60 #endif // DEVICE_HID_HID_CONNECTION_LINUX__ | 57 #endif // DEVICE_HID_HID_CONNECTION_LINUX__ |
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