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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 "mojo/edk/system/message_pipe_dispatcher.h" | 5 #include "mojo/edk/system/message_pipe_dispatcher.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "mojo/edk/system/channel.h" | 8 #include "mojo/edk/system/channel.h" |
9 #include "mojo/edk/system/channel_endpoint.h" | 9 #include "mojo/edk/system/channel_endpoint.h" |
10 #include "mojo/edk/system/channel_endpoint_id.h" | 10 #include "mojo/edk/system/channel_endpoint_id.h" |
11 #include "mojo/edk/system/constants.h" | 11 #include "mojo/edk/system/configuration.h" |
12 #include "mojo/edk/system/local_message_pipe_endpoint.h" | 12 #include "mojo/edk/system/local_message_pipe_endpoint.h" |
13 #include "mojo/edk/system/memory.h" | 13 #include "mojo/edk/system/memory.h" |
14 #include "mojo/edk/system/message_pipe.h" | 14 #include "mojo/edk/system/message_pipe.h" |
15 #include "mojo/edk/system/options_validation.h" | 15 #include "mojo/edk/system/options_validation.h" |
16 #include "mojo/edk/system/proxy_message_pipe_endpoint.h" | 16 #include "mojo/edk/system/proxy_message_pipe_endpoint.h" |
17 | 17 |
18 namespace mojo { | 18 namespace mojo { |
19 namespace system { | 19 namespace system { |
20 | 20 |
21 namespace { | 21 namespace { |
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166 message_pipe_ = nullptr; | 166 message_pipe_ = nullptr; |
167 port_ = kInvalidPort; | 167 port_ = kInvalidPort; |
168 return scoped_refptr<Dispatcher>(rv.get()); | 168 return scoped_refptr<Dispatcher>(rv.get()); |
169 } | 169 } |
170 | 170 |
171 MojoResult MessagePipeDispatcher::WriteMessageImplNoLock( | 171 MojoResult MessagePipeDispatcher::WriteMessageImplNoLock( |
172 UserPointer<const void> bytes, | 172 UserPointer<const void> bytes, |
173 uint32_t num_bytes, | 173 uint32_t num_bytes, |
174 std::vector<DispatcherTransport>* transports, | 174 std::vector<DispatcherTransport>* transports, |
175 MojoWriteMessageFlags flags) { | 175 MojoWriteMessageFlags flags) { |
176 DCHECK(!transports || (transports->size() > 0 && | 176 DCHECK(!transports || |
177 transports->size() <= kMaxMessageNumHandles)); | 177 (transports->size() > 0 && |
| 178 transports->size() <= GetConfiguration().max_message_num_handles)); |
178 | 179 |
179 lock().AssertAcquired(); | 180 lock().AssertAcquired(); |
180 | 181 |
181 if (num_bytes > kMaxMessageNumBytes) | 182 if (num_bytes > GetConfiguration().max_message_num_bytes) |
182 return MOJO_RESULT_RESOURCE_EXHAUSTED; | 183 return MOJO_RESULT_RESOURCE_EXHAUSTED; |
183 | 184 |
184 return message_pipe_->WriteMessage( | 185 return message_pipe_->WriteMessage(port_, bytes, num_bytes, transports, |
185 port_, bytes, num_bytes, transports, flags); | 186 flags); |
186 } | 187 } |
187 | 188 |
188 MojoResult MessagePipeDispatcher::ReadMessageImplNoLock( | 189 MojoResult MessagePipeDispatcher::ReadMessageImplNoLock( |
189 UserPointer<void> bytes, | 190 UserPointer<void> bytes, |
190 UserPointer<uint32_t> num_bytes, | 191 UserPointer<uint32_t> num_bytes, |
191 DispatcherVector* dispatchers, | 192 DispatcherVector* dispatchers, |
192 uint32_t* num_dispatchers, | 193 uint32_t* num_dispatchers, |
193 MojoReadMessageFlags flags) { | 194 MojoReadMessageFlags flags) { |
194 lock().AssertAcquired(); | 195 lock().AssertAcquired(); |
195 return message_pipe_->ReadMessage( | 196 return message_pipe_->ReadMessage(port_, bytes, num_bytes, dispatchers, |
196 port_, bytes, num_bytes, dispatchers, num_dispatchers, flags); | 197 num_dispatchers, flags); |
197 } | 198 } |
198 | 199 |
199 HandleSignalsState MessagePipeDispatcher::GetHandleSignalsStateImplNoLock() | 200 HandleSignalsState MessagePipeDispatcher::GetHandleSignalsStateImplNoLock() |
200 const { | 201 const { |
201 lock().AssertAcquired(); | 202 lock().AssertAcquired(); |
202 return message_pipe_->GetHandleSignalsState(port_); | 203 return message_pipe_->GetHandleSignalsState(port_); |
203 } | 204 } |
204 | 205 |
205 MojoResult MessagePipeDispatcher::AddWaiterImplNoLock( | 206 MojoResult MessagePipeDispatcher::AddWaiterImplNoLock( |
206 Waiter* waiter, | 207 Waiter* waiter, |
207 MojoHandleSignals signals, | 208 MojoHandleSignals signals, |
208 uint32_t context, | 209 uint32_t context, |
209 HandleSignalsState* signals_state) { | 210 HandleSignalsState* signals_state) { |
210 lock().AssertAcquired(); | 211 lock().AssertAcquired(); |
211 return message_pipe_->AddWaiter( | 212 return message_pipe_->AddWaiter(port_, waiter, signals, context, |
212 port_, waiter, signals, context, signals_state); | 213 signals_state); |
213 } | 214 } |
214 | 215 |
215 void MessagePipeDispatcher::RemoveWaiterImplNoLock( | 216 void MessagePipeDispatcher::RemoveWaiterImplNoLock( |
216 Waiter* waiter, | 217 Waiter* waiter, |
217 HandleSignalsState* signals_state) { | 218 HandleSignalsState* signals_state) { |
218 lock().AssertAcquired(); | 219 lock().AssertAcquired(); |
219 message_pipe_->RemoveWaiter(port_, waiter, signals_state); | 220 message_pipe_->RemoveWaiter(port_, waiter, signals_state); |
220 } | 221 } |
221 | 222 |
222 void MessagePipeDispatcher::StartSerializeImplNoLock( | 223 void MessagePipeDispatcher::StartSerializeImplNoLock( |
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255 // MessagePipeDispatcherTransport ---------------------------------------------- | 256 // MessagePipeDispatcherTransport ---------------------------------------------- |
256 | 257 |
257 MessagePipeDispatcherTransport::MessagePipeDispatcherTransport( | 258 MessagePipeDispatcherTransport::MessagePipeDispatcherTransport( |
258 DispatcherTransport transport) | 259 DispatcherTransport transport) |
259 : DispatcherTransport(transport) { | 260 : DispatcherTransport(transport) { |
260 DCHECK_EQ(message_pipe_dispatcher()->GetType(), Dispatcher::kTypeMessagePipe); | 261 DCHECK_EQ(message_pipe_dispatcher()->GetType(), Dispatcher::kTypeMessagePipe); |
261 } | 262 } |
262 | 263 |
263 } // namespace system | 264 } // namespace system |
264 } // namespace mojo | 265 } // namespace mojo |
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