OLD | NEW |
| (Empty) |
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_DNS_DNS_CLIENT_H_ | |
6 #define NET_DNS_DNS_CLIENT_H_ | |
7 | |
8 #include "base/memory/scoped_ptr.h" | |
9 #include "net/base/net_export.h" | |
10 | |
11 namespace net { | |
12 | |
13 class AddressSorter; | |
14 struct DnsConfig; | |
15 class DnsTransactionFactory; | |
16 class NetLog; | |
17 | |
18 // Convenience wrapper which allows easy injection of DnsTransaction into | |
19 // HostResolverImpl. Pointers returned by the Get* methods are only guaranteed | |
20 // to remain valid until next time SetConfig is called. | |
21 class NET_EXPORT DnsClient { | |
22 public: | |
23 virtual ~DnsClient() {} | |
24 | |
25 // Destroys the current DnsTransactionFactory and creates a new one | |
26 // according to |config|, unless it is invalid or has |unhandled_options|. | |
27 virtual void SetConfig(const DnsConfig& config) = 0; | |
28 | |
29 // Returns NULL if the current config is not valid. | |
30 virtual const DnsConfig* GetConfig() const = 0; | |
31 | |
32 // Returns NULL if the current config is not valid. | |
33 virtual DnsTransactionFactory* GetTransactionFactory() = 0; | |
34 | |
35 // Returns NULL if the current config is not valid. | |
36 virtual AddressSorter* GetAddressSorter() = 0; | |
37 | |
38 // Creates default client. | |
39 static scoped_ptr<DnsClient> CreateClient(NetLog* net_log); | |
40 }; | |
41 | |
42 } // namespace net | |
43 | |
44 #endif // NET_DNS_DNS_CLIENT_H_ | |
45 | |
OLD | NEW |