| Index: net/dns/dns_config_service.h
|
| diff --git a/net/dns/dns_config_service.h b/net/dns/dns_config_service.h
|
| deleted file mode 100644
|
| index bfb57850bb7a1b655fcbee6749225ff423eee3dd..0000000000000000000000000000000000000000
|
| --- a/net/dns/dns_config_service.h
|
| +++ /dev/null
|
| @@ -1,216 +0,0 @@
|
| -// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#ifndef NET_DNS_DNS_CONFIG_SERVICE_H_
|
| -#define NET_DNS_DNS_CONFIG_SERVICE_H_
|
| -
|
| -#include <map>
|
| -#include <string>
|
| -#include <vector>
|
| -
|
| -#include "base/gtest_prod_util.h"
|
| -#include "base/memory/scoped_ptr.h"
|
| -#include "base/memory/scoped_vector.h"
|
| -#include "base/threading/non_thread_safe.h"
|
| -#include "base/time/time.h"
|
| -#include "base/timer/timer.h"
|
| -// Needed on shared build with MSVS2010 to avoid multiple definitions of
|
| -// std::vector<IPEndPoint>.
|
| -#include "net/base/address_list.h"
|
| -#include "net/base/ip_endpoint.h" // win requires size of IPEndPoint
|
| -#include "net/base/net_export.h"
|
| -#include "net/dns/dns_hosts.h"
|
| -
|
| -namespace base {
|
| -class Value;
|
| -}
|
| -
|
| -namespace net {
|
| -
|
| -// Always use 1 second timeout (followed by binary exponential backoff).
|
| -// TODO(szym): Remove code which reads timeout from system.
|
| -const unsigned kDnsTimeoutSeconds = 1;
|
| -
|
| -// Classifies nameserver address lists for histograms.
|
| -class NET_EXPORT_PRIVATE NameServerClassifier {
|
| - public:
|
| - // This is used in a histogram (AsyncDNS.NameServersType); add new entries
|
| - // right before MAX_VALUE.
|
| - enum NameServersType {
|
| - NAME_SERVERS_TYPE_NONE,
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| - NAME_SERVERS_TYPE_GOOGLE_PUBLIC_DNS,
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| - NAME_SERVERS_TYPE_PRIVATE,
|
| - NAME_SERVERS_TYPE_PUBLIC,
|
| - NAME_SERVERS_TYPE_MIXED,
|
| - NAME_SERVERS_TYPE_MAX_VALUE
|
| - };
|
| -
|
| - NameServerClassifier();
|
| - ~NameServerClassifier();
|
| -
|
| - NameServersType GetNameServersType(
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| - const std::vector<net::IPEndPoint>& nameservers) const;
|
| -
|
| - private:
|
| - struct NameServerTypeRule;
|
| -
|
| - void AddRule(const char* pattern_string, NameServersType type);
|
| - NameServersType GetNameServerType(const IPAddressNumber& address) const;
|
| - static NameServersType MergeNameServersTypes(NameServersType a,
|
| - NameServersType b);
|
| -
|
| - ScopedVector<NameServerTypeRule> rules_;
|
| -};
|
| -
|
| -// DnsConfig stores configuration of the system resolver.
|
| -struct NET_EXPORT_PRIVATE DnsConfig {
|
| - DnsConfig();
|
| - virtual ~DnsConfig();
|
| -
|
| - bool Equals(const DnsConfig& d) const;
|
| -
|
| - bool EqualsIgnoreHosts(const DnsConfig& d) const;
|
| -
|
| - void CopyIgnoreHosts(const DnsConfig& src);
|
| -
|
| - // Returns a Value representation of |this|. Caller takes ownership of the
|
| - // returned Value. For performance reasons, the Value only contains the
|
| - // number of hosts rather than the full list.
|
| - base::Value* ToValue() const;
|
| -
|
| - bool IsValid() const {
|
| - return !nameservers.empty();
|
| - }
|
| -
|
| - // List of name server addresses.
|
| - std::vector<IPEndPoint> nameservers;
|
| - // Suffix search list; used on first lookup when number of dots in given name
|
| - // is less than |ndots|.
|
| - std::vector<std::string> search;
|
| -
|
| - DnsHosts hosts;
|
| -
|
| - // True if there are options set in the system configuration that are not yet
|
| - // supported by DnsClient.
|
| - bool unhandled_options;
|
| -
|
| - // AppendToMultiLabelName: is suffix search performed for multi-label names?
|
| - // True, except on Windows where it can be configured.
|
| - bool append_to_multi_label_name;
|
| -
|
| - // Indicates that source port randomization is required. This uses additional
|
| - // resources on some platforms.
|
| - bool randomize_ports;
|
| -
|
| - // Resolver options; see man resolv.conf.
|
| -
|
| - // Minimum number of dots before global resolution precedes |search|.
|
| - int ndots;
|
| - // Time between retransmissions, see res_state.retrans.
|
| - base::TimeDelta timeout;
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| - // Maximum number of attempts, see res_state.retry.
|
| - int attempts;
|
| - // Round robin entries in |nameservers| for subsequent requests.
|
| - bool rotate;
|
| - // Enable EDNS0 extensions.
|
| - bool edns0;
|
| -
|
| - // Indicates system configuration uses local IPv6 connectivity, e.g.,
|
| - // DirectAccess. This is exposed for HostResolver to skip IPv6 probes,
|
| - // as it may cause them to return incorrect results.
|
| - bool use_local_ipv6;
|
| -};
|
| -
|
| -// Service for reading system DNS settings, on demand or when signalled by
|
| -// internal watchers and NetworkChangeNotifier.
|
| -class NET_EXPORT_PRIVATE DnsConfigService
|
| - : NON_EXPORTED_BASE(public base::NonThreadSafe) {
|
| - public:
|
| - // Callback interface for the client, called on the same thread as
|
| - // ReadConfig() and WatchConfig().
|
| - typedef base::Callback<void(const DnsConfig& config)> CallbackType;
|
| -
|
| - // Creates the platform-specific DnsConfigService.
|
| - static scoped_ptr<DnsConfigService> CreateSystemService();
|
| -
|
| - DnsConfigService();
|
| - virtual ~DnsConfigService();
|
| -
|
| - // Attempts to read the configuration. Will run |callback| when succeeded.
|
| - // Can be called at most once.
|
| - void ReadConfig(const CallbackType& callback);
|
| -
|
| - // Registers systems watchers. Will attempt to read config after watch starts,
|
| - // but only if watchers started successfully. Will run |callback| iff config
|
| - // changes from last call or has to be withdrawn. Can be called at most once.
|
| - // Might require MessageLoopForIO.
|
| - void WatchConfig(const CallbackType& callback);
|
| -
|
| - protected:
|
| - enum WatchStatus {
|
| - DNS_CONFIG_WATCH_STARTED = 0,
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| - DNS_CONFIG_WATCH_FAILED_TO_START_CONFIG,
|
| - DNS_CONFIG_WATCH_FAILED_TO_START_HOSTS,
|
| - DNS_CONFIG_WATCH_FAILED_CONFIG,
|
| - DNS_CONFIG_WATCH_FAILED_HOSTS,
|
| - DNS_CONFIG_WATCH_MAX,
|
| - };
|
| -
|
| - // Immediately attempts to read the current configuration.
|
| - virtual void ReadNow() = 0;
|
| - // Registers system watchers. Returns true iff succeeds.
|
| - virtual bool StartWatching() = 0;
|
| -
|
| - // Called when the current config (except hosts) has changed.
|
| - void InvalidateConfig();
|
| - // Called when the current hosts have changed.
|
| - void InvalidateHosts();
|
| -
|
| - // Called with new config. |config|.hosts is ignored.
|
| - void OnConfigRead(const DnsConfig& config);
|
| - // Called with new hosts. Rest of the config is assumed unchanged.
|
| - void OnHostsRead(const DnsHosts& hosts);
|
| -
|
| - void set_watch_failed(bool value) { watch_failed_ = value; }
|
| -
|
| - private:
|
| - // The timer counts from the last Invalidate* until complete config is read.
|
| - void StartTimer();
|
| - void OnTimeout();
|
| - // Called when the config becomes complete. Stops the timer.
|
| - void OnCompleteConfig();
|
| -
|
| - CallbackType callback_;
|
| -
|
| - DnsConfig dns_config_;
|
| -
|
| - // True if any of the necessary watchers failed. In that case, the service
|
| - // will communicate changes via OnTimeout, but will only send empty DnsConfig.
|
| - bool watch_failed_;
|
| - // True after On*Read, before Invalidate*. Tells if the config is complete.
|
| - bool have_config_;
|
| - bool have_hosts_;
|
| - // True if receiver needs to be updated when the config becomes complete.
|
| - bool need_update_;
|
| - // True if the last config sent was empty (instead of |dns_config_|).
|
| - // Set when |timer_| expires.
|
| - bool last_sent_empty_;
|
| -
|
| - // Initialized and updated on Invalidate* call.
|
| - base::TimeTicks last_invalidate_config_time_;
|
| - base::TimeTicks last_invalidate_hosts_time_;
|
| - // Initialized and updated when |timer_| expires.
|
| - base::TimeTicks last_sent_empty_time_;
|
| -
|
| - // Started in Invalidate*, cleared in On*Read.
|
| - base::OneShotTimer<DnsConfigService> timer_;
|
| -
|
| - NameServerClassifier classifier_;
|
| -
|
| - DISALLOW_COPY_AND_ASSIGN(DnsConfigService);
|
| -};
|
| -
|
| -} // namespace net
|
| -
|
| -#endif // NET_DNS_DNS_CONFIG_SERVICE_H_
|
|
|