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| 1 // Copyright 2017 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 CHROME_BROWSER_NET_SYSTEM_NETWORK_CONTEXT_MANAGER_H_ |
| 6 #define CHROME_BROWSER_NET_SYSTEM_NETWORK_CONTEXT_MANAGER_H_ |
| 7 |
| 8 #include <memory> |
| 9 |
| 10 #include "base/lazy_instance.h" |
| 11 #include "base/macros.h" |
| 12 #include "content/public/common/network_service.mojom.h" |
| 13 |
| 14 // Global object that lives on the UI thread. Responsible for creating and |
| 15 // managing access to the system NetworkContext. This NetworkContext is intended |
| 16 // for requests not associated with a profile. It stores no data on disk, and |
| 17 // has no HTTP cache, but it does have ephemeral cookie and channel ID stores. |
| 18 // It also does not have access to HTTP proxy auth information the user has |
| 19 // entered or that comes from extensions, and similarly, has no |
| 20 // extension-provided per-profile proxy configuration information. |
| 21 // |
| 22 // The "system" NetworkContext will either share a URLRequestContext with |
| 23 // IOThread's SystemURLRequestContext and be part of IOThread's NetworkService |
| 24 // (If the network service is disabled) or be an independent NetworkContext |
| 25 // using the actual network service. |
| 26 // |
| 27 // This class is intended to eventually replace IOThread. Handling the two cases |
| 28 // differently allows this to be used in production without breaking anything or |
| 29 // requiring two separate paths, while IOThread consumers slowly transition over |
| 30 // to being compatible with the network service. |
| 31 class SystemNetworkContextManager { |
| 32 public: |
| 33 // Initializes |network_context_params| as needed to set up a system |
| 34 // NetworkContext. If the network service is disabled, |
| 35 // |network_context_request| will be for the NetworkContext used by the |
| 36 // SystemNetworkContextManager. Otherwise, this method can still be used to |
| 37 // help set up the IOThread's in-process URLRequestContext, and |
| 38 // |network_context_request| will still be populated, but the associated |
| 39 // NetworkContext will not be used by the SystemNetworkContextManager. |
| 40 // |
| 41 // Must be called before the system NetworkContext is first used. |
| 42 static void SetUp( |
| 43 content::mojom::NetworkContextRequest* network_context_request, |
| 44 content::mojom::NetworkContextParamsPtr* network_context_params); |
| 45 |
| 46 // Returns the System NetworkContext. May only be called after SetUp(). |
| 47 static content::mojom::NetworkContext* Context(); |
| 48 |
| 49 private: |
| 50 static SystemNetworkContextManager* GetInstance(); |
| 51 |
| 52 friend struct base::LazyInstanceTraitsBase<SystemNetworkContextManager>; |
| 53 |
| 54 SystemNetworkContextManager(); |
| 55 ~SystemNetworkContextManager(); |
| 56 |
| 57 // Gets the system NetworkContext, creating it if needed. |
| 58 content::mojom::NetworkContext* GetContext(); |
| 59 |
| 60 // NetworkContext using the network service, if the/ network service is |
| 61 // enabled. nullptr, otherwise. |
| 62 content::mojom::NetworkContextPtr network_service_network_context_; |
| 63 |
| 64 // This is a NetworkContext that wraps the IOThread's SystemURLRequestContext. |
| 65 // Always initialized in SetUp, but it's only returned by Context() when the |
| 66 // network service is disabled. |
| 67 content::mojom::NetworkContextPtr io_thread_network_context_; |
| 68 |
| 69 DISALLOW_COPY_AND_ASSIGN(SystemNetworkContextManager); |
| 70 }; |
| 71 |
| 72 #endif // CHROME_BROWSER_NET_SYSTEM_NETWORK_CONTEXT_MANAGER_H_ |
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