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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 // This is the browser side of the resource dispatcher, it receives requests | 5 // This is the browser side of the resource dispatcher, it receives requests |
6 // from the child process (i.e. [Renderer, Plugin, Worker]ProcessHost), and | 6 // from the child process (i.e. [Renderer, Plugin, Worker]ProcessHost), and |
7 // dispatches them to URLRequests. It then forwards the messages from the | 7 // dispatches them to URLRequests. It then forwards the messages from the |
8 // URLRequests back to the correct process for handling. | 8 // URLRequests back to the correct process for handling. |
9 // | 9 // |
10 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc e-loading | 10 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc e-loading |
11 | 11 |
12 #ifndef CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_ | 12 #ifndef CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_ |
13 #define CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_ | 13 #define CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_ |
14 | 14 |
15 #include <map> | 15 #include <map> |
16 #include <set> | 16 #include <set> |
17 #include <string> | 17 #include <string> |
18 #include <vector> | 18 #include <vector> |
19 | 19 |
20 #include "base/basictypes.h" | 20 #include "base/basictypes.h" |
21 #include "base/gtest_prod_util.h" | 21 #include "base/gtest_prod_util.h" |
22 #include "base/memory/linked_ptr.h" | 22 #include "base/memory/linked_ptr.h" |
23 #include "base/memory/scoped_ptr.h" | 23 #include "base/memory/scoped_ptr.h" |
24 #include "base/observer_list.h" | 24 #include "base/observer_list.h" |
25 #include "base/time.h" | 25 #include "base/time.h" |
26 #include "base/timer.h" | 26 #include "base/timer.h" |
27 #include "content/browser/download/download_resource_handler.h" | 27 #include "content/browser/download/download_resource_handler.h" |
28 #include "content/browser/loader/offline_policy.h" | |
28 #include "content/browser/loader/render_view_host_tracker.h" | 29 #include "content/browser/loader/render_view_host_tracker.h" |
29 #include "content/browser/loader/resource_loader.h" | 30 #include "content/browser/loader/resource_loader.h" |
30 #include "content/browser/loader/resource_loader_delegate.h" | 31 #include "content/browser/loader/resource_loader_delegate.h" |
31 #include "content/browser/loader/resource_scheduler.h" | 32 #include "content/browser/loader/resource_scheduler.h" |
32 #include "content/common/content_export.h" | 33 #include "content/common/content_export.h" |
33 #include "content/public/browser/child_process_data.h" | 34 #include "content/public/browser/child_process_data.h" |
34 #include "content/public/browser/download_id.h" | 35 #include "content/public/browser/download_id.h" |
35 #include "content/public/browser/notification_types.h" | 36 #include "content/public/browser/notification_types.h" |
36 #include "content/public/browser/resource_dispatcher_host.h" | 37 #include "content/public/browser/resource_dispatcher_host.h" |
37 #include "ipc/ipc_message.h" | 38 #include "ipc/ipc_message.h" |
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230 ResourceScheduler* scheduler() { return scheduler_.get(); } | 231 ResourceScheduler* scheduler() { return scheduler_.get(); } |
231 | 232 |
232 private: | 233 private: |
233 FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest, | 234 FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest, |
234 TestBlockedRequestsProcessDies); | 235 TestBlockedRequestsProcessDies); |
235 FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest, | 236 FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest, |
236 IncrementOutstandingRequestsMemoryCost); | 237 IncrementOutstandingRequestsMemoryCost); |
237 FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest, | 238 FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest, |
238 CalculateApproximateMemoryCost); | 239 CalculateApproximateMemoryCost); |
239 | 240 |
241 typedef std::pair<int, int> ProcessRouteIDs; | |
darin (slow to review)
2013/04/11 20:01:23
nit: maybe call this GlobalRoutingID? maybe it sh
Randy Smith (Not in Mondays)
2013/04/12 14:06:44
Happy to take your guidance on this; I was just co
| |
242 | |
240 class ShutdownTask; | 243 class ShutdownTask; |
241 | 244 |
242 friend class ShutdownTask; | 245 friend class ShutdownTask; |
243 friend class ResourceMessageDelegate; | 246 friend class ResourceMessageDelegate; |
244 | 247 |
245 // ResourceLoaderDelegate implementation: | 248 // ResourceLoaderDelegate implementation: |
246 virtual ResourceDispatcherHostLoginDelegate* CreateLoginDelegate( | 249 virtual ResourceDispatcherHostLoginDelegate* CreateLoginDelegate( |
247 ResourceLoader* loader, | 250 ResourceLoader* loader, |
248 net::AuthChallengeInfo* auth_info) OVERRIDE; | 251 net::AuthChallengeInfo* auth_info) OVERRIDE; |
249 virtual bool AcceptAuthRequest( | 252 virtual bool AcceptAuthRequest( |
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402 // used as a special value all over the resource_dispatcher_host for | 405 // used as a special value all over the resource_dispatcher_host for |
403 // uninitialized variables.) This way, we no longer have the unlikely (but | 406 // uninitialized variables.) This way, we no longer have the unlikely (but |
404 // observed in the real world!) event where we have two requests with the same | 407 // observed in the real world!) event where we have two requests with the same |
405 // request_id_. | 408 // request_id_. |
406 int request_id_; | 409 int request_id_; |
407 | 410 |
408 // True if the resource dispatcher host has been shut down. | 411 // True if the resource dispatcher host has been shut down. |
409 bool is_shutdown_; | 412 bool is_shutdown_; |
410 | 413 |
411 typedef std::vector<linked_ptr<ResourceLoader> > BlockedLoadersList; | 414 typedef std::vector<linked_ptr<ResourceLoader> > BlockedLoadersList; |
412 typedef std::pair<int, int> ProcessRouteIDs; | |
413 typedef std::map<ProcessRouteIDs, BlockedLoadersList*> BlockedLoadersMap; | 415 typedef std::map<ProcessRouteIDs, BlockedLoadersList*> BlockedLoadersMap; |
414 BlockedLoadersMap blocked_loaders_map_; | 416 BlockedLoadersMap blocked_loaders_map_; |
415 | 417 |
416 // Maps the child_ids to the approximate number of bytes | 418 // Maps the child_ids to the approximate number of bytes |
417 // being used to service its resource requests. No entry implies 0 cost. | 419 // being used to service its resource requests. No entry implies 0 cost. |
418 typedef std::map<int, int> OutstandingRequestsMemoryCostMap; | 420 typedef std::map<int, int> OutstandingRequestsMemoryCostMap; |
419 OutstandingRequestsMemoryCostMap outstanding_requests_memory_cost_map_; | 421 OutstandingRequestsMemoryCostMap outstanding_requests_memory_cost_map_; |
420 | 422 |
421 // |max_outstanding_requests_cost_per_process_| is the upper bound on how | 423 // |max_outstanding_requests_cost_per_process_| is the upper bound on how |
422 // many outstanding requests can be issued per child process host. | 424 // many outstanding requests can be issued per child process host. |
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445 std::set<const ResourceContext*> active_resource_contexts_; | 447 std::set<const ResourceContext*> active_resource_contexts_; |
446 | 448 |
447 typedef std::map<GlobalRequestID, | 449 typedef std::map<GlobalRequestID, |
448 ObserverList<ResourceMessageDelegate>*> DelegateMap; | 450 ObserverList<ResourceMessageDelegate>*> DelegateMap; |
449 DelegateMap delegate_map_; | 451 DelegateMap delegate_map_; |
450 | 452 |
451 scoped_ptr<ResourceScheduler> scheduler_; | 453 scoped_ptr<ResourceScheduler> scheduler_; |
452 | 454 |
453 RenderViewHostTracker tracker_; // Lives on UI thread. | 455 RenderViewHostTracker tracker_; // Lives on UI thread. |
454 | 456 |
457 typedef std::map<ProcessRouteIDs, OfflinePolicy*> OfflineMap; | |
458 | |
459 OfflineMap offline_map_; | |
darin (slow to review)
2013/04/11 20:01:23
nit: I think it'd read better in the .cc file if t
Randy Smith (Not in Mondays)
2013/04/12 14:06:44
Done.
| |
460 | |
455 DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl); | 461 DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl); |
456 }; | 462 }; |
457 | 463 |
458 } // namespace content | 464 } // namespace content |
459 | 465 |
460 #endif // CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_ | 466 #endif // CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_ |
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