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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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