OLD | NEW |
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/child/resource_dispatcher.h" | 7 #include "content/child/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" |
(...skipping 293 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
304 // ResourceDispatcher implementation ------------------------------------------ | 304 // ResourceDispatcher implementation ------------------------------------------ |
305 | 305 |
306 bool ResourceDispatcher::OnMessageReceived(const IPC::Message& message) { | 306 bool ResourceDispatcher::OnMessageReceived(const IPC::Message& message) { |
307 if (!IsResourceDispatcherMessage(message)) { | 307 if (!IsResourceDispatcherMessage(message)) { |
308 return false; | 308 return false; |
309 } | 309 } |
310 | 310 |
311 int request_id; | 311 int request_id; |
312 | 312 |
313 PickleIterator iter(message); | 313 PickleIterator iter(message); |
314 if (!message.ReadInt(&iter, &request_id)) { | 314 if (!iter.ReadInt(&request_id)) { |
315 NOTREACHED() << "malformed resource message"; | 315 NOTREACHED() << "malformed resource message"; |
316 return true; | 316 return true; |
317 } | 317 } |
318 | 318 |
319 PendingRequestInfo* request_info = GetPendingRequestInfo(request_id); | 319 PendingRequestInfo* request_info = GetPendingRequestInfo(request_id); |
320 if (!request_info) { | 320 if (!request_info) { |
321 // Release resources in the message if it is a data message. | 321 // Release resources in the message if it is a data message. |
322 ReleaseResourcesInDataMessage(message); | 322 ReleaseResourcesInDataMessage(message); |
323 return true; | 323 return true; |
324 } | 324 } |
(...skipping 542 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
867 } | 867 } |
868 | 868 |
869 return false; | 869 return false; |
870 } | 870 } |
871 | 871 |
872 // static | 872 // static |
873 void ResourceDispatcher::ReleaseResourcesInDataMessage( | 873 void ResourceDispatcher::ReleaseResourcesInDataMessage( |
874 const IPC::Message& message) { | 874 const IPC::Message& message) { |
875 PickleIterator iter(message); | 875 PickleIterator iter(message); |
876 int request_id; | 876 int request_id; |
877 if (!message.ReadInt(&iter, &request_id)) { | 877 if (!iter.ReadInt(&request_id)) { |
878 NOTREACHED() << "malformed resource message"; | 878 NOTREACHED() << "malformed resource message"; |
879 return; | 879 return; |
880 } | 880 } |
881 | 881 |
882 // If the message contains a shared memory handle, we should close the handle | 882 // If the message contains a shared memory handle, we should close the handle |
883 // or there will be a memory leak. | 883 // or there will be a memory leak. |
884 if (message.type() == ResourceMsg_SetDataBuffer::ID) { | 884 if (message.type() == ResourceMsg_SetDataBuffer::ID) { |
885 base::SharedMemoryHandle shm_handle; | 885 base::SharedMemoryHandle shm_handle; |
886 if (IPC::ParamTraits<base::SharedMemoryHandle>::Read(&message, | 886 if (IPC::ParamTraits<base::SharedMemoryHandle>::Read(&message, |
887 &iter, | 887 &iter, |
888 &shm_handle)) { | 888 &shm_handle)) { |
889 if (base::SharedMemory::IsHandleValid(shm_handle)) | 889 if (base::SharedMemory::IsHandleValid(shm_handle)) |
890 base::SharedMemory::CloseHandle(shm_handle); | 890 base::SharedMemory::CloseHandle(shm_handle); |
891 } | 891 } |
892 } | 892 } |
893 } | 893 } |
894 | 894 |
895 // static | 895 // static |
896 void ResourceDispatcher::ReleaseResourcesInMessageQueue(MessageQueue* queue) { | 896 void ResourceDispatcher::ReleaseResourcesInMessageQueue(MessageQueue* queue) { |
897 while (!queue->empty()) { | 897 while (!queue->empty()) { |
898 IPC::Message* message = queue->front(); | 898 IPC::Message* message = queue->front(); |
899 ReleaseResourcesInDataMessage(*message); | 899 ReleaseResourcesInDataMessage(*message); |
900 queue->pop_front(); | 900 queue->pop_front(); |
901 delete message; | 901 delete message; |
902 } | 902 } |
903 } | 903 } |
904 | 904 |
905 } // namespace content | 905 } // namespace content |
OLD | NEW |