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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 // The NetworkContext used by the |SystemNetworkContextManager|. If the | |
61 // network service is enabled, it's a NetworkContext using that | |
62 // NetworkService. If it's not enabled, it's a NetworkContext wrapping the | |
63 // IOThread's SystemURLRequestContext. | |
asanka
2017/07/13 01:52:29
The fact that system_network_context_ is bound to
mmenke
2017/07/13 16:15:18
Done. I called it the network_service_network_con
| |
64 content::mojom::NetworkContextPtr system_network_context_; | |
65 | |
66 // When the network service is enabled, this is a NetworkContext that wraps | |
67 // the IOThread's SystemURLRequestContext, and is never used after | |
68 // initialization. It's nullptr, otherwise. | |
69 content::mojom::NetworkContextPtr io_thread_network_context_; | |
70 | |
71 DISALLOW_COPY_AND_ASSIGN(SystemNetworkContextManager); | |
72 }; | |
73 | |
74 #endif // CHROME_BROWSER_NET_SYSTEM_NETWORK_CONTEXT_MANAGER_H_ | |
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