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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef NET_HTTP_HTTP_PIPELINED_CONNECTION_H_ | |
6 #define NET_HTTP_HTTP_PIPELINED_CONNECTION_H_ | |
7 | |
8 #include "net/base/net_export.h" | |
9 #include "net/base/net_log.h" | |
10 #include "net/socket/ssl_client_socket.h" | |
11 | |
12 namespace net { | |
13 | |
14 class BoundNetLog; | |
15 class ClientSocketHandle; | |
16 class HostPortPair; | |
17 class HttpPipelinedStream; | |
18 class ProxyInfo; | |
19 struct SSLConfig; | |
20 | |
21 class NET_EXPORT_PRIVATE HttpPipelinedConnection { | |
22 public: | |
23 enum Feedback { | |
24 OK, | |
25 PIPELINE_SOCKET_ERROR, | |
26 OLD_HTTP_VERSION, | |
27 MUST_CLOSE_CONNECTION, | |
28 AUTHENTICATION_REQUIRED, | |
29 }; | |
30 | |
31 class Delegate { | |
32 public: | |
33 // Called when a pipeline has newly available capacity. This may be because | |
34 // the first request has been sent and the pipeline is now active. Or, it | |
35 // may be because a request successfully completed. | |
36 virtual void OnPipelineHasCapacity(HttpPipelinedConnection* pipeline) = 0; | |
37 | |
38 // Called every time a pipeline receives headers. Lets the delegate know if | |
39 // the headers indicate that pipelining can be used. | |
40 virtual void OnPipelineFeedback(HttpPipelinedConnection* pipeline, | |
41 Feedback feedback) = 0; | |
42 }; | |
43 | |
44 class Factory { | |
45 public: | |
46 virtual ~Factory() {} | |
47 | |
48 virtual HttpPipelinedConnection* CreateNewPipeline( | |
49 ClientSocketHandle* connection, | |
50 Delegate* delegate, | |
51 const HostPortPair& origin, | |
52 const SSLConfig& used_ssl_config, | |
53 const ProxyInfo& used_proxy_info, | |
54 const BoundNetLog& net_log, | |
55 bool was_npn_negotiated, | |
56 NextProto protocol_negotiated) = 0; | |
57 }; | |
58 | |
59 virtual ~HttpPipelinedConnection() {} | |
60 | |
61 // Returns a new stream that uses this pipeline. | |
62 virtual HttpPipelinedStream* CreateNewStream() = 0; | |
63 | |
64 // The number of streams currently associated with this pipeline. | |
65 virtual int depth() const = 0; | |
66 | |
67 // True if this pipeline can accept new HTTP requests. False if a fatal error | |
68 // has occurred. | |
69 virtual bool usable() const = 0; | |
70 | |
71 // True if this pipeline has bound one request and is ready for additional | |
72 // requests. | |
73 virtual bool active() const = 0; | |
74 | |
75 // The SSLConfig used to establish this connection. | |
76 virtual const SSLConfig& used_ssl_config() const = 0; | |
77 | |
78 // The ProxyInfo used to establish this connection. | |
79 virtual const ProxyInfo& used_proxy_info() const = 0; | |
80 | |
81 // The BoundNetLog of this pipelined connection. | |
82 virtual const BoundNetLog& net_log() const = 0; | |
83 | |
84 // True if this connection was NPN negotiated. | |
85 virtual bool was_npn_negotiated() const = 0; | |
86 | |
87 // Protocol negotiated with the server. | |
88 virtual NextProto protocol_negotiated() const = 0; | |
89 }; | |
90 | |
91 } // namespace net | |
92 | |
93 #endif // NET_HTTP_HTTP_PIPELINED_CONNECTION_H_ | |
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