Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(364)

Side by Side Diff: chrome/renderer/net/renderer_net_predictor.h

Issue 2866026: Rename Dns prefetching files to Predictor files... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 10 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 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 // A RendererNetPredictor instance is maintained for each RenderThread. 5 // A RendererNetPredictor instance is maintained for each RenderThread.
6 // URL strings are typically added to the embedded queue during rendering. 6 // URL strings are typically added to the embedded queue during rendering.
7 // The first addition to the queue (transitioning from empty to having 7 // The first addition to the queue (transitioning from empty to having
8 // some names) causes a processing task to be added to the Renderer Thread. 8 // some names) causes a processing task to be added to the Renderer Thread.
9 // The processing task gathers all buffered names, and send them via IPC 9 // The processing task gathers all buffered names, and send them via IPC
10 // to the browser, so that DNS lookups can be performed before the user attempts 10 // to the browser, so that DNS lookups can be performed before the user attempts
11 // to traverse a link. 11 // to traverse a link.
12 // This class removed some duplicates, and discards numeric IP addresss 12 // This class removed some duplicates, and discards numeric IP addresss
13 // (which wouldn't looked up in DNS anyway). 13 // (which wouldn't looked up in DNS anyway).
14 // To limit the time during the processing task (and avoid stalling the Render 14 // To limit the time during the processing task (and avoid stalling the Render
15 // thread), several limits are placed on how much of the queue to process. 15 // thread), several limits are placed on how much of the queue to process.
16 // If the processing task is not able to completely empty the queue, it 16 // If the processing task is not able to completely empty the queue, it
17 // schedules a future continuation of the task, and keeps the map of already 17 // schedules a future continuation of the task, and keeps the map of already
18 // sent names. If the entire queue is processed, then the list of "sent names" 18 // sent names. If the entire queue is processed, then the list of "sent names"
19 // is cleared so that future gatherings might again pass along the same names. 19 // is cleared so that future gatherings might again pass along the same names.
20 20
21 #ifndef CHROME_RENDERER_NET_RENDER_DNS_MASTER_H_ 21 #ifndef CHROME_RENDERER_NET_RENDERER_NET_PREDICTOR_H_
22 #define CHROME_RENDERER_NET_RENDER_DNS_MASTER_H_ 22 #define CHROME_RENDERER_NET_RENDERER_NET_PREDICTOR_H_
23 23
24 #include <map> 24 #include <map>
25 #include <string> 25 #include <string>
26 #include <vector> 26 #include <vector>
27 27
28 #include "base/basictypes.h" 28 #include "base/basictypes.h"
29 #include "base/task.h" 29 #include "base/task.h"
30 #include "chrome/renderer/net/render_dns_queue.h" 30 #include "chrome/renderer/net/predictor_queue.h"
31 31
32 // Global API consists to do Prefetching in renderer. This uses IPC to reach 32 // Global API consists to do Prefetching in renderer. This uses IPC to reach
33 // the Browser's global functions. 33 // the Browser's global functions.
34 void DnsPrefetchCString(const char* hostname, size_t length); 34 void DnsPrefetchCString(const char* hostname, size_t length);
35 35
36 class RendererNetPredictor { 36 class RendererNetPredictor {
37 public: 37 public:
38 RendererNetPredictor(); 38 RendererNetPredictor();
39 39
40 ~RendererNetPredictor() {} 40 ~RendererNetPredictor() {}
(...skipping 58 matching lines...) Expand 10 before | Expand all | Expand 10 after
99 // We have some metrics to examine performance. We might use 99 // We have some metrics to examine performance. We might use
100 // these metrics to modify buffer counts etc. some day. 100 // these metrics to modify buffer counts etc. some day.
101 int buffer_full_discard_count_; 101 int buffer_full_discard_count_;
102 int numeric_ip_discard_count_; 102 int numeric_ip_discard_count_;
103 103
104 ScopedRunnableMethodFactory<RendererNetPredictor> renderer_predictor_factory_; 104 ScopedRunnableMethodFactory<RendererNetPredictor> renderer_predictor_factory_;
105 105
106 DISALLOW_COPY_AND_ASSIGN(RendererNetPredictor); 106 DISALLOW_COPY_AND_ASSIGN(RendererNetPredictor);
107 }; // class RendererNetPredictor 107 }; // class RendererNetPredictor
108 108
109 #endif // CHROME_RENDERER_NET_RENDER_DNS_MASTER_H_ 109 #endif // CHROME_RENDERER_NET_RENDERER_NET_PREDICTOR_H_
OLDNEW
« no previous file with comments | « chrome/renderer/net/render_dns_queue_unittest.cc ('k') | chrome/renderer/net/renderer_net_predictor.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698