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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #include "chrome/browser/extensions/api/serial/serial_io_handler.h" | 5 #include "chrome/browser/extensions/api/serial/serial_io_handler.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/files/file_path.h" | 8 #include "base/files/file_path.h" |
9 #include "base/message_loop/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
10 #include "base/strings/string_util.h" | 10 #include "base/strings/string_util.h" |
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112 DCHECK(!IsWritePending()); | 112 DCHECK(!IsWritePending()); |
113 pending_write_buffer_ = new net::IOBuffer(data.length()); | 113 pending_write_buffer_ = new net::IOBuffer(data.length()); |
114 pending_write_buffer_len_ = data.length(); | 114 pending_write_buffer_len_ = data.length(); |
115 memcpy(pending_write_buffer_->data(), data.data(), pending_write_buffer_len_); | 115 memcpy(pending_write_buffer_->data(), data.data(), pending_write_buffer_len_); |
116 write_canceled_ = false; | 116 write_canceled_ = false; |
117 AddRef(); | 117 AddRef(); |
118 WriteImpl(); | 118 WriteImpl(); |
119 } | 119 } |
120 | 120 |
121 void SerialIoHandler::ReadCompleted(int bytes_read, | 121 void SerialIoHandler::ReadCompleted(int bytes_read, |
122 api::serial::ReceiveError error) { | 122 device::serial::ReceiveError error) { |
123 DCHECK(CalledOnValidThread()); | 123 DCHECK(CalledOnValidThread()); |
124 DCHECK(IsReadPending()); | 124 DCHECK(IsReadPending()); |
125 read_complete_.Run(std::string(pending_read_buffer_->data(), bytes_read), | 125 read_complete_.Run(std::string(pending_read_buffer_->data(), bytes_read), |
126 error); | 126 error); |
127 pending_read_buffer_ = NULL; | 127 pending_read_buffer_ = NULL; |
128 pending_read_buffer_len_ = 0; | 128 pending_read_buffer_len_ = 0; |
129 Release(); | 129 Release(); |
130 } | 130 } |
131 | 131 |
132 void SerialIoHandler::WriteCompleted(int bytes_written, | 132 void SerialIoHandler::WriteCompleted(int bytes_written, |
133 api::serial::SendError error) { | 133 device::serial::SendError error) { |
134 DCHECK(CalledOnValidThread()); | 134 DCHECK(CalledOnValidThread()); |
135 DCHECK(IsWritePending()); | 135 DCHECK(IsWritePending()); |
136 write_complete_.Run(bytes_written, error); | 136 write_complete_.Run(bytes_written, error); |
137 pending_write_buffer_ = NULL; | 137 pending_write_buffer_ = NULL; |
138 pending_write_buffer_len_ = 0; | 138 pending_write_buffer_len_ = 0; |
139 Release(); | 139 Release(); |
140 } | 140 } |
141 | 141 |
142 bool SerialIoHandler::IsReadPending() const { | 142 bool SerialIoHandler::IsReadPending() const { |
143 DCHECK(CalledOnValidThread()); | 143 DCHECK(CalledOnValidThread()); |
144 return pending_read_buffer_ != NULL; | 144 return pending_read_buffer_ != NULL; |
145 } | 145 } |
146 | 146 |
147 bool SerialIoHandler::IsWritePending() const { | 147 bool SerialIoHandler::IsWritePending() const { |
148 DCHECK(CalledOnValidThread()); | 148 DCHECK(CalledOnValidThread()); |
149 return pending_write_buffer_ != NULL; | 149 return pending_write_buffer_ != NULL; |
150 } | 150 } |
151 | 151 |
152 void SerialIoHandler::CancelRead(api::serial::ReceiveError reason) { | 152 void SerialIoHandler::CancelRead(device::serial::ReceiveError reason) { |
153 DCHECK(CalledOnValidThread()); | 153 DCHECK(CalledOnValidThread()); |
154 if (IsReadPending()) { | 154 if (IsReadPending()) { |
155 read_canceled_ = true; | 155 read_canceled_ = true; |
156 read_cancel_reason_ = reason; | 156 read_cancel_reason_ = reason; |
157 CancelReadImpl(); | 157 CancelReadImpl(); |
158 } | 158 } |
159 } | 159 } |
160 | 160 |
161 void SerialIoHandler::CancelWrite(api::serial::SendError reason) { | 161 void SerialIoHandler::CancelWrite(device::serial::SendError reason) { |
162 DCHECK(CalledOnValidThread()); | 162 DCHECK(CalledOnValidThread()); |
163 if (IsWritePending()) { | 163 if (IsWritePending()) { |
164 write_canceled_ = true; | 164 write_canceled_ = true; |
165 write_cancel_reason_ = reason; | 165 write_cancel_reason_ = reason; |
166 CancelWriteImpl(); | 166 CancelWriteImpl(); |
167 } | 167 } |
168 } | 168 } |
169 | 169 |
170 void SerialIoHandler::QueueReadCompleted(int bytes_read, | 170 void SerialIoHandler::QueueReadCompleted(int bytes_read, |
171 api::serial::ReceiveError error) { | 171 device::serial::ReceiveError error) { |
172 base::MessageLoop::current()->PostTask( | 172 base::MessageLoop::current()->PostTask( |
173 FROM_HERE, base::Bind(&SerialIoHandler::ReadCompleted, this, | 173 FROM_HERE, base::Bind(&SerialIoHandler::ReadCompleted, this, |
174 bytes_read, error)); | 174 bytes_read, error)); |
175 } | 175 } |
176 | 176 |
177 void SerialIoHandler::QueueWriteCompleted(int bytes_written, | 177 void SerialIoHandler::QueueWriteCompleted(int bytes_written, |
178 api::serial::SendError error) { | 178 device::serial::SendError error) { |
179 base::MessageLoop::current()->PostTask( | 179 base::MessageLoop::current()->PostTask( |
180 FROM_HERE, base::Bind(&SerialIoHandler::WriteCompleted, this, | 180 FROM_HERE, base::Bind(&SerialIoHandler::WriteCompleted, this, |
181 bytes_written, error)); | 181 bytes_written, error)); |
182 } | 182 } |
183 | 183 |
184 } // namespace extensions | 184 } // namespace extensions |
185 | 185 |
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