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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_DNS_DNS_CONFIG_SERVICE_POSIX_H_ | |
| 6 #define NET_DNS_DNS_CONFIG_SERVICE_POSIX_H_ | |
| 7 | |
| 8 #if !defined(OS_ANDROID) | |
| 9 #include <sys/types.h> | |
| 10 #include <netinet/in.h> | |
| 11 #include <resolv.h> | |
| 12 #endif | |
| 13 | |
| 14 #include "base/compiler_specific.h" | |
| 15 #include "net/base/net_export.h" | |
| 16 #include "net/dns/dns_config_service.h" | |
| 17 | |
| 18 namespace net { | |
| 19 | |
| 20 // Use DnsConfigService::CreateSystemService to use it outside of tests. | |
| 21 namespace internal { | |
| 22 | |
| 23 class NET_EXPORT_PRIVATE DnsConfigServicePosix : public DnsConfigService { | |
| 24 public: | |
| 25 DnsConfigServicePosix(); | |
| 26 ~DnsConfigServicePosix() override; | |
| 27 | |
| 28 protected: | |
| 29 // DnsConfigService: | |
| 30 void ReadNow() override; | |
| 31 bool StartWatching() override; | |
| 32 | |
| 33 private: | |
| 34 class Watcher; | |
| 35 class ConfigReader; | |
| 36 class HostsReader; | |
| 37 | |
| 38 void OnConfigChanged(bool succeeded); | |
| 39 void OnHostsChanged(bool succeeded); | |
| 40 | |
| 41 scoped_ptr<Watcher> watcher_; | |
| 42 scoped_refptr<ConfigReader> config_reader_; | |
| 43 scoped_refptr<HostsReader> hosts_reader_; | |
| 44 | |
| 45 DISALLOW_COPY_AND_ASSIGN(DnsConfigServicePosix); | |
| 46 }; | |
| 47 | |
| 48 enum ConfigParsePosixResult { | |
| 49 CONFIG_PARSE_POSIX_OK = 0, | |
| 50 CONFIG_PARSE_POSIX_RES_INIT_FAILED, | |
| 51 CONFIG_PARSE_POSIX_RES_INIT_UNSET, | |
| 52 CONFIG_PARSE_POSIX_BAD_ADDRESS, | |
| 53 CONFIG_PARSE_POSIX_BAD_EXT_STRUCT, | |
| 54 CONFIG_PARSE_POSIX_NULL_ADDRESS, | |
| 55 CONFIG_PARSE_POSIX_NO_NAMESERVERS, | |
| 56 CONFIG_PARSE_POSIX_MISSING_OPTIONS, | |
| 57 CONFIG_PARSE_POSIX_UNHANDLED_OPTIONS, | |
| 58 CONFIG_PARSE_POSIX_NO_DNSINFO, | |
| 59 CONFIG_PARSE_POSIX_MAX // Bounding values for enumeration. | |
| 60 }; | |
| 61 | |
| 62 #if !defined(OS_ANDROID) | |
| 63 // Fills in |dns_config| from |res|. | |
| 64 ConfigParsePosixResult NET_EXPORT_PRIVATE ConvertResStateToDnsConfig( | |
| 65 const struct __res_state& res, DnsConfig* dns_config); | |
| 66 #endif | |
| 67 | |
| 68 } // namespace internal | |
| 69 | |
| 70 } // namespace net | |
| 71 | |
| 72 #endif // NET_DNS_DNS_CONFIG_SERVICE_POSIX_H_ | |
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