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.
5 #ifndef NET_DNS_DNS_CONFIG_SERVICE_POSIX_H_
6 #define NET_DNS_DNS_CONFIG_SERVICE_POSIX_H_
8 #if !defined(OS_ANDROID)
10 #include <netinet/in.h>
14 #include "base/compiler_specific.h"
15 #include "net/base/net_export.h"
16 #include "net/dns/dns_config_service.h"
20 // Use DnsConfigService::CreateSystemService to use it outside of tests.
23 class NET_EXPORT_PRIVATE DnsConfigServicePosix : public DnsConfigService {
25 DnsConfigServicePosix();
26 ~DnsConfigServicePosix() override;
30 void ReadNow() override;
31 bool StartWatching() override;
38 void OnConfigChanged(bool succeeded);
39 void OnHostsChanged(bool succeeded);
41 scoped_ptr<Watcher> watcher_;
42 scoped_refptr<ConfigReader> config_reader_;
43 scoped_refptr<HostsReader> hosts_reader_;
45 DISALLOW_COPY_AND_ASSIGN(DnsConfigServicePosix);
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.
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);
68 } // namespace internal
72 #endif // NET_DNS_DNS_CONFIG_SERVICE_POSIX_H_