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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 // | |
5 // Manages all of the pipelining state for specific host with active pipelined | |
6 // HTTP requests. Manages connection jobs, constructs pipelined streams, and | |
7 // assigns requests to the least loaded pipelined connection. | |
8 | |
9 #ifndef NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_ | |
10 #define NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_ | |
11 #pragma once | |
12 | |
13 #include <map> | |
14 | |
15 #include <base/basictypes.h> | |
16 | |
17 namespace net { | |
18 | |
19 class HostPortPair; | |
20 class HttpPipelinedHost; | |
21 class HttpStreamFactory; | |
22 | |
23 class HttpPipelinedHostPool { | |
24 public: | |
25 HttpPipelinedHostPool(HttpStreamFactory* factory); | |
willchan no longer on Chromium
2011/07/19 13:29:38
explicit
James Simonsen
2011/07/19 22:54:23
Done.
| |
26 ~HttpPipelinedHostPool(); | |
27 | |
28 // Returns the HttpPipelinedHost used for this origin, or a new one if none | |
29 // exists. | |
30 HttpPipelinedHost* GetOrCreatePipelinedHost(const HostPortPair& origin) { | |
31 return GetPipelinedHost(origin, true); | |
32 } | |
33 | |
34 // Returns the HttpPipelinedHost used for this origin, or NULL if none exists. | |
35 HttpPipelinedHost* GetPipelinedHostIfExists(const HostPortPair& origin) { | |
36 return GetPipelinedHost(origin, false); | |
37 } | |
38 | |
39 // Callbacks for HttpPipelinedHost. | |
40 | |
41 // Called when a pipelined host has no outstanding pipelined connections. | |
42 void OnHostIdle(HttpPipelinedHost* host); | |
43 | |
44 // Called when a pipelined host has newly available pipeline capacity. | |
45 void OnHostHasAdditionalCapacity(HttpPipelinedHost* host); | |
46 | |
47 private: | |
48 HttpPipelinedHost* GetPipelinedHost(const HostPortPair& origin, | |
49 bool create_if_not_found); | |
50 | |
51 HttpStreamFactory* factory_; | |
52 typedef std::map<const HostPortPair, HttpPipelinedHost*> HostMap; | |
53 HostMap host_map_; | |
54 | |
55 DISALLOW_COPY_AND_ASSIGN(HttpPipelinedHostPool); | |
56 }; | |
57 | |
58 } // namespace net | |
59 | |
60 #endif // NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_ | |
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