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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_NETWORK_LAYER_H_ | |
6 #define NET_HTTP_HTTP_NETWORK_LAYER_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "base/basictypes.h" | |
11 #include "base/compiler_specific.h" | |
12 #include "base/memory/ref_counted.h" | |
13 #include "base/memory/scoped_ptr.h" | |
14 #include "base/power_monitor/power_observer.h" | |
15 #include "base/threading/non_thread_safe.h" | |
16 #include "net/base/net_export.h" | |
17 #include "net/http/http_transaction_factory.h" | |
18 | |
19 namespace net { | |
20 | |
21 class HttpNetworkSession; | |
22 | |
23 class NET_EXPORT HttpNetworkLayer | |
24 : public HttpTransactionFactory, | |
25 public base::PowerObserver, | |
26 NON_EXPORTED_BASE(public base::NonThreadSafe) { | |
27 public: | |
28 // Construct a HttpNetworkLayer with an existing HttpNetworkSession which | |
29 // contains a valid ProxyService. | |
30 explicit HttpNetworkLayer(HttpNetworkSession* session); | |
31 ~HttpNetworkLayer() override; | |
32 | |
33 // Create a transaction factory that instantiate a network layer over an | |
34 // existing network session. Network session contains some valuable | |
35 // information (e.g. authentication data) that we want to share across | |
36 // multiple network layers. This method exposes the implementation details | |
37 // of a network layer, use this method with an existing network layer only | |
38 // when network session is shared. | |
39 static HttpTransactionFactory* CreateFactory(HttpNetworkSession* session); | |
40 | |
41 // Forces an alternate protocol of SPDY/3 on port 443. | |
42 // TODO(rch): eliminate this method. | |
43 static void ForceAlternateProtocol(); | |
44 | |
45 // HttpTransactionFactory methods: | |
46 int CreateTransaction(RequestPriority priority, | |
47 scoped_ptr<HttpTransaction>* trans) override; | |
48 HttpCache* GetCache() override; | |
49 HttpNetworkSession* GetSession() override; | |
50 | |
51 // base::PowerObserver methods: | |
52 void OnSuspend() override; | |
53 void OnResume() override; | |
54 | |
55 private: | |
56 const scoped_refptr<HttpNetworkSession> session_; | |
57 bool suspended_; | |
58 | |
59 DISALLOW_COPY_AND_ASSIGN(HttpNetworkLayer); | |
60 }; | |
61 | |
62 } // namespace net | |
63 | |
64 #endif // NET_HTTP_HTTP_NETWORK_LAYER_H_ | |
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