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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc
e-loading | 5 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc
e-loading |
6 | 6 |
7 #include "content/common/resource_dispatcher.h" | 7 #include "content/common/resource_dispatcher.h" |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "base/bind.h" | 10 #include "base/bind.h" |
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286 | 286 |
287 // ResourceDispatcher implementation ------------------------------------------ | 287 // ResourceDispatcher implementation ------------------------------------------ |
288 | 288 |
289 bool ResourceDispatcher::OnMessageReceived(const IPC::Message& message) { | 289 bool ResourceDispatcher::OnMessageReceived(const IPC::Message& message) { |
290 if (!IsResourceDispatcherMessage(message)) { | 290 if (!IsResourceDispatcherMessage(message)) { |
291 return false; | 291 return false; |
292 } | 292 } |
293 | 293 |
294 int request_id; | 294 int request_id; |
295 | 295 |
296 void* iter = NULL; | 296 PickleIterator iter(message); |
297 if (!message.ReadInt(&iter, &request_id)) { | 297 if (!message.ReadInt(&iter, &request_id)) { |
298 NOTREACHED() << "malformed resource message"; | 298 NOTREACHED() << "malformed resource message"; |
299 return true; | 299 return true; |
300 } | 300 } |
301 | 301 |
302 PendingRequestInfo* request_info = GetPendingRequestInfo(request_id); | 302 PendingRequestInfo* request_info = GetPendingRequestInfo(request_id); |
303 if (!request_info) { | 303 if (!request_info) { |
304 // Release resources in the message if it is a data message. | 304 // Release resources in the message if it is a data message. |
305 ReleaseResourcesInDataMessage(message); | 305 ReleaseResourcesInDataMessage(message); |
306 return true; | 306 return true; |
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670 default: | 670 default: |
671 break; | 671 break; |
672 } | 672 } |
673 | 673 |
674 return false; | 674 return false; |
675 } | 675 } |
676 | 676 |
677 // static | 677 // static |
678 void ResourceDispatcher::ReleaseResourcesInDataMessage( | 678 void ResourceDispatcher::ReleaseResourcesInDataMessage( |
679 const IPC::Message& message) { | 679 const IPC::Message& message) { |
680 void* iter = NULL; | 680 PickleIterator iter(message); |
681 int request_id; | 681 int request_id; |
682 if (!message.ReadInt(&iter, &request_id)) { | 682 if (!message.ReadInt(&iter, &request_id)) { |
683 NOTREACHED() << "malformed resource message"; | 683 NOTREACHED() << "malformed resource message"; |
684 return; | 684 return; |
685 } | 685 } |
686 | 686 |
687 // If the message contains a shared memory handle, we should close the | 687 // If the message contains a shared memory handle, we should close the |
688 // handle or there will be a memory leak. | 688 // handle or there will be a memory leak. |
689 if (message.type() == ResourceMsg_DataReceived::ID) { | 689 if (message.type() == ResourceMsg_DataReceived::ID) { |
690 base::SharedMemoryHandle shm_handle; | 690 base::SharedMemoryHandle shm_handle; |
691 if (IPC::ParamTraits<base::SharedMemoryHandle>::Read(&message, | 691 if (IPC::ParamTraits<base::SharedMemoryHandle>::Read(&message, |
692 &iter, | 692 &iter, |
693 &shm_handle)) { | 693 &shm_handle)) { |
694 base::SharedMemory::CloseHandle(shm_handle); | 694 base::SharedMemory::CloseHandle(shm_handle); |
695 } | 695 } |
696 } | 696 } |
697 } | 697 } |
698 | 698 |
699 // static | 699 // static |
700 void ResourceDispatcher::ReleaseResourcesInMessageQueue(MessageQueue* queue) { | 700 void ResourceDispatcher::ReleaseResourcesInMessageQueue(MessageQueue* queue) { |
701 while (!queue->empty()) { | 701 while (!queue->empty()) { |
702 IPC::Message* message = queue->front(); | 702 IPC::Message* message = queue->front(); |
703 ReleaseResourcesInDataMessage(*message); | 703 ReleaseResourcesInDataMessage(*message); |
704 queue->pop_front(); | 704 queue->pop_front(); |
705 delete message; | 705 delete message; |
706 } | 706 } |
707 } | 707 } |
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