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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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_SERIAL_SERIAL_IO_HANDLER_POSIX_H_ | 5 #ifndef DEVICE_SERIAL_SERIAL_IO_HANDLER_POSIX_H_ |
6 #define DEVICE_SERIAL_SERIAL_IO_HANDLER_POSIX_H_ | 6 #define DEVICE_SERIAL_SERIAL_IO_HANDLER_POSIX_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "base/files/file_descriptor_watcher_posix.h" | 10 #include "base/files/file_descriptor_watcher_posix.h" |
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40 int buffer_len, | 40 int buffer_len, |
41 int bytes_read, | 41 int bytes_read, |
42 bool& break_detected, | 42 bool& break_detected, |
43 bool& parity_error_detected); | 43 bool& parity_error_detected); |
44 | 44 |
45 private: | 45 private: |
46 friend class SerialIoHandler; | 46 friend class SerialIoHandler; |
47 friend class SerialIoHandlerPosixTest; | 47 friend class SerialIoHandlerPosixTest; |
48 | 48 |
49 SerialIoHandlerPosix( | 49 SerialIoHandlerPosix( |
50 scoped_refptr<base::SingleThreadTaskRunner> file_thread_task_runner, | |
51 scoped_refptr<base::SingleThreadTaskRunner> ui_thread_task_runner); | 50 scoped_refptr<base::SingleThreadTaskRunner> ui_thread_task_runner); |
52 ~SerialIoHandlerPosix() override; | 51 ~SerialIoHandlerPosix() override; |
53 | 52 |
54 void AttemptRead(bool within_read); | 53 void AttemptRead(bool within_read); |
55 void RunReadCompleted(bool within_read, | 54 void RunReadCompleted(bool within_read, |
56 int bytes_read, | 55 int bytes_read, |
57 serial::ReceiveError error); | 56 serial::ReceiveError error); |
58 | 57 |
59 // Called when file() is writable without blocking. | 58 // Called when file() is writable without blocking. |
60 void OnFileCanWriteWithoutBlocking(); | 59 void OnFileCanWriteWithoutBlocking(); |
61 | 60 |
62 void EnsureWatchingReads(); | 61 void EnsureWatchingReads(); |
63 void EnsureWatchingWrites(); | 62 void EnsureWatchingWrites(); |
64 | 63 |
65 std::unique_ptr<base::FileDescriptorWatcher::Controller> file_read_watcher_; | 64 std::unique_ptr<base::FileDescriptorWatcher::Controller> file_read_watcher_; |
66 std::unique_ptr<base::FileDescriptorWatcher::Controller> file_write_watcher_; | 65 std::unique_ptr<base::FileDescriptorWatcher::Controller> file_write_watcher_; |
67 | 66 |
68 ErrorDetectState error_detect_state_; | 67 ErrorDetectState error_detect_state_; |
69 bool parity_check_enabled_; | 68 bool parity_check_enabled_; |
70 char chars_stashed_[2]; | 69 char chars_stashed_[2]; |
71 int num_chars_stashed_; | 70 int num_chars_stashed_; |
72 | 71 |
73 DISALLOW_COPY_AND_ASSIGN(SerialIoHandlerPosix); | 72 DISALLOW_COPY_AND_ASSIGN(SerialIoHandlerPosix); |
74 }; | 73 }; |
75 | 74 |
76 } // namespace device | 75 } // namespace device |
77 | 76 |
78 #endif // DEVICE_SERIAL_SERIAL_IO_HANDLER_POSIX_H_ | 77 #endif // DEVICE_SERIAL_SERIAL_IO_HANDLER_POSIX_H_ |
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