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81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_DNS_DNS_CONFIG_SERVICE_POSIX_H_
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#define NET_DNS_DNS_CONFIG_SERVICE_POSIX_H_
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#if !defined(OS_ANDROID)
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <resolv.h>
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#endif
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#include "base/compiler_specific.h"
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#include "base/files/file_path.h"
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#include "base/gtest_prod_util.h"
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#include "base/macros.h"
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#include "net/base/net_export.h"
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#include "net/dns/dns_config_service.h"
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namespace net {
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// Use DnsConfigService::CreateSystemService to use it outside of tests.
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namespace internal {
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class NET_EXPORT_PRIVATE DnsConfigServicePosix : public DnsConfigService {
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public:
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DnsConfigServicePosix();
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~DnsConfigServicePosix() override;
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protected:
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// DnsConfigService:
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void ReadNow() override;
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bool StartWatching() override;
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private:
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FRIEND_TEST_ALL_PREFIXES(DnsConfigServicePosixTest,
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ChangeConfigMultipleTimes);
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class Watcher;
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class ConfigReader;
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class HostsReader;
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void OnConfigChanged(bool succeeded);
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void OnHostsChanged(bool succeeded);
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std::unique_ptr<Watcher> watcher_;
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// Allow a mock hosts file for testing purposes.
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const base::FilePath::CharType* file_path_hosts_;
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scoped_refptr<ConfigReader> config_reader_;
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scoped_refptr<HostsReader> hosts_reader_;
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DISALLOW_COPY_AND_ASSIGN(DnsConfigServicePosix);
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};
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enum ConfigParsePosixResult {
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CONFIG_PARSE_POSIX_OK = 0,
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CONFIG_PARSE_POSIX_RES_INIT_FAILED,
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CONFIG_PARSE_POSIX_RES_INIT_UNSET,
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CONFIG_PARSE_POSIX_BAD_ADDRESS,
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CONFIG_PARSE_POSIX_BAD_EXT_STRUCT,
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CONFIG_PARSE_POSIX_NULL_ADDRESS,
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CONFIG_PARSE_POSIX_NO_NAMESERVERS,
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CONFIG_PARSE_POSIX_MISSING_OPTIONS,
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CONFIG_PARSE_POSIX_UNHANDLED_OPTIONS,
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CONFIG_PARSE_POSIX_NO_DNSINFO,
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CONFIG_PARSE_POSIX_PRIVATE_DNS_ACTIVE,
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CONFIG_PARSE_POSIX_MAX // Bounding values for enumeration.
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};
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#if !defined(OS_ANDROID)
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// Fills in |dns_config| from |res|.
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ConfigParsePosixResult NET_EXPORT_PRIVATE ConvertResStateToDnsConfig(
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const struct __res_state& res, DnsConfig* dns_config);
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#endif
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} // namespace internal
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} // namespace net
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#endif // NET_DNS_DNS_CONFIG_SERVICE_POSIX_H_
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