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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/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" |
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73 delegate_(NULL), | 73 delegate_(NULL), |
74 io_timestamp_(base::TimeTicks()), | 74 io_timestamp_(base::TimeTicks()), |
75 main_thread_task_runner_(main_thread_task_runner), | 75 main_thread_task_runner_(main_thread_task_runner), |
76 weak_factory_(this) { | 76 weak_factory_(this) { |
77 } | 77 } |
78 | 78 |
79 ResourceDispatcher::~ResourceDispatcher() { | 79 ResourceDispatcher::~ResourceDispatcher() { |
80 } | 80 } |
81 | 81 |
82 bool ResourceDispatcher::OnMessageReceived(const IPC::Message& message) { | 82 bool ResourceDispatcher::OnMessageReceived(const IPC::Message& message) { |
83 // TODO(erikchen): Temporary code to help track http://crbug.com/527588. | |
84 content::CheckContentsOfDataReceivedMessage(&message); | |
85 | |
86 if (!IsResourceDispatcherMessage(message)) { | 83 if (!IsResourceDispatcherMessage(message)) { |
87 return false; | 84 return false; |
88 } | 85 } |
89 | 86 |
90 int request_id; | 87 int request_id; |
91 | 88 |
92 base::PickleIterator iter(message); | 89 base::PickleIterator iter(message); |
93 if (!iter.ReadInt(&request_id)) { | 90 if (!iter.ReadInt(&request_id)) { |
94 NOTREACHED() << "malformed resource message"; | 91 NOTREACHED() << "malformed resource message"; |
95 return true; | 92 return true; |
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215 | 212 |
216 void ResourceDispatcher::OnReceivedData(int request_id, | 213 void ResourceDispatcher::OnReceivedData(int request_id, |
217 int data_offset, | 214 int data_offset, |
218 int data_length, | 215 int data_length, |
219 int encoded_data_length) { | 216 int encoded_data_length) { |
220 TRACE_EVENT0("loader", "ResourceDispatcher::OnReceivedData"); | 217 TRACE_EVENT0("loader", "ResourceDispatcher::OnReceivedData"); |
221 DCHECK_GT(data_length, 0); | 218 DCHECK_GT(data_length, 0); |
222 PendingRequestInfo* request_info = GetPendingRequestInfo(request_id); | 219 PendingRequestInfo* request_info = GetPendingRequestInfo(request_id); |
223 bool send_ack = true; | 220 bool send_ack = true; |
224 if (request_info && data_length > 0) { | 221 if (request_info && data_length > 0) { |
225 // TODO(erikchen): Temporary code to help track http://crbug.com/527588. | |
226 int buffer_size = request_info->buffer_size; | |
227 | |
228 CHECK(base::SharedMemory::IsHandleValid(request_info->buffer->handle())); | 222 CHECK(base::SharedMemory::IsHandleValid(request_info->buffer->handle())); |
229 CHECK_GE(request_info->buffer_size, data_offset + data_length); | 223 CHECK_GE(request_info->buffer_size, data_offset + data_length); |
230 | 224 |
231 // TODO(erikchen): Temporary code to help track http://crbug.com/527588. | |
232 base::debug::Alias(request_info); | |
233 base::debug::Alias(&buffer_size); | |
234 | |
235 // Ensure that the SHM buffer remains valid for the duration of this scope. | 225 // Ensure that the SHM buffer remains valid for the duration of this scope. |
236 // It is possible for Cancel() to be called before we exit this scope. | 226 // It is possible for Cancel() to be called before we exit this scope. |
237 // SharedMemoryReceivedDataFactory stores the SHM buffer inside it. | 227 // SharedMemoryReceivedDataFactory stores the SHM buffer inside it. |
238 scoped_refptr<SharedMemoryReceivedDataFactory> factory( | 228 scoped_refptr<SharedMemoryReceivedDataFactory> factory( |
239 request_info->received_data_factory); | 229 request_info->received_data_factory); |
240 | 230 |
241 base::TimeTicks time_start = base::TimeTicks::Now(); | 231 base::TimeTicks time_start = base::TimeTicks::Now(); |
242 | 232 |
243 const char* data_start = static_cast<char*>(request_info->buffer->memory()); | 233 const char* data_start = static_cast<char*>(request_info->buffer->memory()); |
244 CHECK(data_start); | 234 CHECK(data_start); |
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798 extra_data->transferred_request_request_id(); | 788 extra_data->transferred_request_request_id(); |
799 request->service_worker_provider_id = | 789 request->service_worker_provider_id = |
800 extra_data->service_worker_provider_id(); | 790 extra_data->service_worker_provider_id(); |
801 request->request_body = request_body; | 791 request->request_body = request_body; |
802 if (frame_origin) | 792 if (frame_origin) |
803 *frame_origin = extra_data->frame_origin(); | 793 *frame_origin = extra_data->frame_origin(); |
804 return request.Pass(); | 794 return request.Pass(); |
805 } | 795 } |
806 | 796 |
807 } // namespace content | 797 } // namespace content |
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