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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_CRONET_STALE_HOST_RESOLVER_H_ | 5 #ifndef COMPONENTS_CRONET_STALE_HOST_RESOLVER_H_ |
6 #define COMPONENTS_CRONET_STALE_HOST_RESOLVER_H_ | 6 #define COMPONENTS_CRONET_STALE_HOST_RESOLVER_H_ |
7 | 7 |
8 #include <unordered_set> | 8 #include <unordered_set> |
9 | 9 |
10 #include "net/dns/host_resolver.h" | 10 #include "net/dns/host_resolver.h" |
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56 // usable (according to the options passed to the constructor), and fresh data | 56 // usable (according to the options passed to the constructor), and fresh data |
57 // is not returned before the specified delay, returns the stale data instead. | 57 // is not returned before the specified delay, returns the stale data instead. |
58 // | 58 // |
59 // If stale data is returned, the StaleHostResolver allows the underlying | 59 // If stale data is returned, the StaleHostResolver allows the underlying |
60 // request to continue in order to repopulate the cache. | 60 // request to continue in order to repopulate the cache. |
61 int Resolve(const RequestInfo& info, | 61 int Resolve(const RequestInfo& info, |
62 net::RequestPriority priority, | 62 net::RequestPriority priority, |
63 net::AddressList* addresses, | 63 net::AddressList* addresses, |
64 const net::CompletionCallback& callback, | 64 const net::CompletionCallback& callback, |
65 std::unique_ptr<Request>* out_req, | 65 std::unique_ptr<Request>* out_req, |
66 const net::BoundNetLog& net_log) override; | 66 const net::NetLogWithSource& net_log) override; |
67 | 67 |
68 // The remaining public methods pass through to the inner resolver: | 68 // The remaining public methods pass through to the inner resolver: |
69 | 69 |
70 int ResolveFromCache(const RequestInfo& info, | 70 int ResolveFromCache(const RequestInfo& info, |
71 net::AddressList* addresses, | 71 net::AddressList* addresses, |
72 const net::BoundNetLog& net_log) override; | 72 const net::NetLogWithSource& net_log) override; |
73 void SetDnsClientEnabled(bool enabled) override; | 73 void SetDnsClientEnabled(bool enabled) override; |
74 net::HostCache* GetHostCache() override; | 74 net::HostCache* GetHostCache() override; |
75 std::unique_ptr<base::Value> GetDnsConfigAsValue() const override; | 75 std::unique_ptr<base::Value> GetDnsConfigAsValue() const override; |
76 | 76 |
77 private: | 77 private: |
78 class RequestImpl; | 78 class RequestImpl; |
79 | 79 |
80 // Called from |Request| when a request is complete and can be destroyed. | 80 // Called from |Request| when a request is complete and can be destroyed. |
81 void OnRequestComplete(Request* request); | 81 void OnRequestComplete(Request* request); |
82 | 82 |
83 // The underlying HostResolverImpl that will be used to make cache and network | 83 // The underlying HostResolverImpl that will be used to make cache and network |
84 // requests. | 84 // requests. |
85 std::unique_ptr<net::HostResolverImpl> inner_resolver_; | 85 std::unique_ptr<net::HostResolverImpl> inner_resolver_; |
86 | 86 |
87 // Options that govern when a stale response can or can't be returned. | 87 // Options that govern when a stale response can or can't be returned. |
88 StaleOptions options_; | 88 StaleOptions options_; |
89 | 89 |
90 DISALLOW_COPY_AND_ASSIGN(StaleHostResolver); | 90 DISALLOW_COPY_AND_ASSIGN(StaleHostResolver); |
91 }; | 91 }; |
92 | 92 |
93 } // namespace cronet | 93 } // namespace cronet |
94 | 94 |
95 #endif // COMPONENTS_CRONET_STALE_HOST_RESOLVER_H_ | 95 #endif // COMPONENTS_CRONET_STALE_HOST_RESOLVER_H_ |
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