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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 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 #ifndef NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_ | 5 #ifndef NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_ |
6 #define NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_ | 6 #define NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <map> | 9 #include <map> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/gtest_prod_util.h" | 12 #include "base/gtest_prod_util.h" |
13 #include "base/memory/mru_cache.h" | |
14 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
15 #include "net/http/http_pipelined_host.h" | 14 #include "net/http/http_pipelined_host.h" |
| 15 #include "net/http/http_pipelined_host_capability.h" |
16 | 16 |
17 namespace net { | 17 namespace net { |
18 | 18 |
19 class HostPortPair; | 19 class HostPortPair; |
20 class HttpPipelinedStream; | 20 class HttpPipelinedStream; |
| 21 class HttpServerProperties; |
21 | 22 |
22 // Manages all of the pipelining state for specific host with active pipelined | 23 // Manages all of the pipelining state for specific host with active pipelined |
23 // HTTP requests. Manages connection jobs, constructs pipelined streams, and | 24 // HTTP requests. Manages connection jobs, constructs pipelined streams, and |
24 // assigns requests to the least loaded pipelined connection. | 25 // assigns requests to the least loaded pipelined connection. |
25 class NET_EXPORT_PRIVATE HttpPipelinedHostPool | 26 class NET_EXPORT_PRIVATE HttpPipelinedHostPool |
26 : public HttpPipelinedHost::Delegate { | 27 : public HttpPipelinedHost::Delegate { |
27 public: | 28 public: |
28 class Delegate { | 29 class Delegate { |
29 public: | 30 public: |
30 // Called when a HttpPipelinedHost has new capacity. Attempts to allocate | 31 // Called when a HttpPipelinedHost has new capacity. Attempts to allocate |
31 // any pending pipeline-capable requests to pipelines. | 32 // any pending pipeline-capable requests to pipelines. |
32 virtual void OnHttpPipelinedHostHasAdditionalCapacity( | 33 virtual void OnHttpPipelinedHostHasAdditionalCapacity( |
33 const HostPortPair& origin) = 0; | 34 const HostPortPair& origin) = 0; |
34 }; | 35 }; |
35 | 36 |
36 HttpPipelinedHostPool(Delegate* delegate, | 37 HttpPipelinedHostPool(Delegate* delegate, |
37 HttpPipelinedHost::Factory* factory); | 38 HttpPipelinedHost::Factory* factory, |
| 39 HttpServerProperties* http_server_properties_); |
38 virtual ~HttpPipelinedHostPool(); | 40 virtual ~HttpPipelinedHostPool(); |
39 | 41 |
40 // Returns true if pipelining might work for |origin|. Generally, this returns | 42 // Returns true if pipelining might work for |origin|. Generally, this returns |
41 // true, unless |origin| is known to have failed pipelining recently. | 43 // true, unless |origin| is known to have failed pipelining recently. |
42 bool IsHostEligibleForPipelining(const HostPortPair& origin); | 44 bool IsHostEligibleForPipelining(const HostPortPair& origin); |
43 | 45 |
44 // Constructs a new pipeline on |connection| and returns a new | 46 // Constructs a new pipeline on |connection| and returns a new |
45 // HttpPipelinedStream that uses it. | 47 // HttpPipelinedStream that uses it. |
46 HttpPipelinedStream* CreateStreamOnNewPipeline( | 48 HttpPipelinedStream* CreateStreamOnNewPipeline( |
47 const HostPortPair& origin, | 49 const HostPortPair& origin, |
(...skipping 12 matching lines...) Expand all Loading... |
60 // can accept new requests. | 62 // can accept new requests. |
61 bool IsExistingPipelineAvailableForOrigin(const HostPortPair& origin); | 63 bool IsExistingPipelineAvailableForOrigin(const HostPortPair& origin); |
62 | 64 |
63 // Callbacks for HttpPipelinedHost. | 65 // Callbacks for HttpPipelinedHost. |
64 virtual void OnHostIdle(HttpPipelinedHost* host) OVERRIDE; | 66 virtual void OnHostIdle(HttpPipelinedHost* host) OVERRIDE; |
65 | 67 |
66 virtual void OnHostHasAdditionalCapacity(HttpPipelinedHost* host) OVERRIDE; | 68 virtual void OnHostHasAdditionalCapacity(HttpPipelinedHost* host) OVERRIDE; |
67 | 69 |
68 virtual void OnHostDeterminedCapability( | 70 virtual void OnHostDeterminedCapability( |
69 HttpPipelinedHost* host, | 71 HttpPipelinedHost* host, |
70 HttpPipelinedHost::Capability capability) OVERRIDE; | 72 HttpPipelinedHostCapability capability) OVERRIDE; |
71 | 73 |
72 private: | 74 private: |
73 typedef base::MRUCache<HostPortPair, | |
74 HttpPipelinedHost::Capability> CapabilityMap; | |
75 typedef std::map<const HostPortPair, HttpPipelinedHost*> HostMap; | 75 typedef std::map<const HostPortPair, HttpPipelinedHost*> HostMap; |
76 | 76 |
77 HttpPipelinedHost* GetPipelinedHost(const HostPortPair& origin, | 77 HttpPipelinedHost* GetPipelinedHost(const HostPortPair& origin, |
78 bool create_if_not_found); | 78 bool create_if_not_found); |
79 | 79 |
80 HttpPipelinedHost::Capability GetHostCapability(const HostPortPair& origin); | |
81 | |
82 Delegate* delegate_; | 80 Delegate* delegate_; |
83 scoped_ptr<HttpPipelinedHost::Factory> factory_; | 81 scoped_ptr<HttpPipelinedHost::Factory> factory_; |
84 HostMap host_map_; | 82 HostMap host_map_; |
85 CapabilityMap known_capability_map_; | 83 HttpServerProperties* http_server_properties_; |
86 | 84 |
87 DISALLOW_COPY_AND_ASSIGN(HttpPipelinedHostPool); | 85 DISALLOW_COPY_AND_ASSIGN(HttpPipelinedHostPool); |
88 }; | 86 }; |
89 | 87 |
90 } // namespace net | 88 } // namespace net |
91 | 89 |
92 #endif // NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_ | 90 #endif // NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_ |
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