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228 lines
9.3 KiB
C++
228 lines
9.3 KiB
C++
// 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_HTTP_HTTP_SERVER_PROPERTIES_IMPL_H_
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#define NET_HTTP_HTTP_SERVER_PROPERTIES_IMPL_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <map>
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#include <set>
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#include <string>
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#include <vector>
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#include "base/callback.h"
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#include "base/macros.h"
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#include "base/memory/weak_ptr.h"
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#include "base/threading/thread_checker.h"
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#include "base/time/default_tick_clock.h"
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#include "base/values.h"
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#include "net/base/host_port_pair.h"
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#include "net/base/ip_address.h"
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#include "net/base/linked_hash_map.h"
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#include "net/base/net_export.h"
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#include "net/http/broken_alternative_services.h"
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#include "net/http/http_server_properties.h"
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namespace base {
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class Clock;
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class TickClock;
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}
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namespace net {
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// The implementation for setting/retrieving the HTTP server properties.
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class NET_EXPORT HttpServerPropertiesImpl
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: public HttpServerProperties,
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public BrokenAlternativeServices::Delegate {
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public:
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// |tick_clock| is used for setting expiration times and scheduling the
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// expiration of broken alternative services. If null, default clock will be
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// used.
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// |clock| is used for converting base::TimeTicks to base::Time for
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// wherever base::Time is preferable.
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HttpServerPropertiesImpl(const base::TickClock* tick_clock,
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base::Clock* clock);
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// Default clock will be used.
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HttpServerPropertiesImpl();
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~HttpServerPropertiesImpl() override;
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// Sets |spdy_servers_map_| with the servers (host/port) from
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// |spdy_servers| that either support SPDY or not.
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void SetSpdyServers(std::unique_ptr<SpdyServersMap> spdy_servers_map);
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void SetAlternativeServiceServers(
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std::unique_ptr<AlternativeServiceMap> alternate_protocol_servers);
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void SetSupportsQuic(const IPAddress& last_address);
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void SetServerNetworkStats(
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std::unique_ptr<ServerNetworkStatsMap> server_network_stats_map);
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void SetQuicServerInfoMap(
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std::unique_ptr<QuicServerInfoMap> quic_server_info_map);
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const SpdyServersMap& spdy_servers_map() const;
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void SetBrokenAndRecentlyBrokenAlternativeServices(
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std::unique_ptr<BrokenAlternativeServiceList>
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broken_alternative_service_list,
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std::unique_ptr<RecentlyBrokenAlternativeServices>
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recently_broken_alternative_services);
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const BrokenAlternativeServiceList& broken_alternative_service_list() const;
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const RecentlyBrokenAlternativeServices&
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recently_broken_alternative_services() const;
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// Returns flattened string representation of the |host_port_pair|. Used by
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// unittests.
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static std::string GetFlattenedSpdyServer(const HostPortPair& host_port_pair);
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// Returns the canonical host suffix for |host|, or nullptr if none
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// exists.
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const std::string* GetCanonicalSuffix(const std::string& host) const;
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// -----------------------------
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// HttpServerProperties methods:
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// -----------------------------
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void Clear(base::OnceClosure callback) override;
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bool SupportsRequestPriority(const url::SchemeHostPort& server) override;
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bool GetSupportsSpdy(const url::SchemeHostPort& server) override;
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void SetSupportsSpdy(const url::SchemeHostPort& server,
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bool support_spdy) override;
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bool RequiresHTTP11(const HostPortPair& server) override;
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void SetHTTP11Required(const HostPortPair& server) override;
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void MaybeForceHTTP11(const HostPortPair& server,
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SSLConfig* ssl_config) override;
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AlternativeServiceInfoVector GetAlternativeServiceInfos(
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const url::SchemeHostPort& origin) override;
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bool SetHttp2AlternativeService(const url::SchemeHostPort& origin,
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const AlternativeService& alternative_service,
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base::Time expiration) override;
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bool SetQuicAlternativeService(
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const url::SchemeHostPort& origin,
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const AlternativeService& alternative_service,
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base::Time expiration,
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const quic::QuicTransportVersionVector& advertised_versions) override;
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bool SetAlternativeServices(const url::SchemeHostPort& origin,
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const AlternativeServiceInfoVector&
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alternative_service_info_vector) override;
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void MarkAlternativeServiceBroken(
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const AlternativeService& alternative_service) override;
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void MarkAlternativeServiceRecentlyBroken(
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const AlternativeService& alternative_service) override;
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bool IsAlternativeServiceBroken(
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const AlternativeService& alternative_service) const override;
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bool WasAlternativeServiceRecentlyBroken(
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const AlternativeService& alternative_service) override;
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void ConfirmAlternativeService(
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const AlternativeService& alternative_service) override;
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const AlternativeServiceMap& alternative_service_map() const override;
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std::unique_ptr<base::Value> GetAlternativeServiceInfoAsValue()
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const override;
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bool GetSupportsQuic(IPAddress* last_address) const override;
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void SetSupportsQuic(bool used_quic, const IPAddress& address) override;
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void SetServerNetworkStats(const url::SchemeHostPort& server,
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ServerNetworkStats stats) override;
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void ClearServerNetworkStats(const url::SchemeHostPort& server) override;
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const ServerNetworkStats* GetServerNetworkStats(
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const url::SchemeHostPort& server) override;
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const ServerNetworkStatsMap& server_network_stats_map() const override;
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bool SetQuicServerInfo(const quic::QuicServerId& server_id,
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const std::string& server_info) override;
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const std::string* GetQuicServerInfo(
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const quic::QuicServerId& server_id) override;
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const QuicServerInfoMap& quic_server_info_map() const override;
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size_t max_server_configs_stored_in_properties() const override;
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void SetMaxServerConfigsStoredInProperties(
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size_t max_server_configs_stored_in_properties) override;
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bool IsInitialized() const override;
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// BrokenAlternativeServices::Delegate method.
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void OnExpireBrokenAlternativeService(
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const AlternativeService& expired_alternative_service) override;
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private:
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// TODO (wangyix): modify HttpServerPropertiesImpl unit tests so this
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// friendness is no longer required.
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friend class HttpServerPropertiesImplPeer;
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typedef base::flat_map<url::SchemeHostPort, url::SchemeHostPort>
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CanonicalAltSvcMap;
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typedef base::flat_map<HostPortPair, quic::QuicServerId>
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CanonicalServerInfoMap;
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typedef std::vector<std::string> CanonicalSufficList;
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typedef std::set<HostPortPair> Http11ServerHostPortSet;
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// Return the iterator for |server|, or for its canonical host, or end.
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AlternativeServiceMap::const_iterator GetAlternateProtocolIterator(
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const url::SchemeHostPort& server);
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// Return the canonical host for |server|, or end if none exists.
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CanonicalAltSvcMap::const_iterator GetCanonicalAltSvcHost(
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const url::SchemeHostPort& server) const;
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// Return the canonical host with the same canonical suffix as |server|.
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// The returned canonical host can be used to search for server info in
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// |quic_server_info_map_|. Return 'end' the host doesn't exist.
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CanonicalServerInfoMap::const_iterator GetCanonicalServerInfoHost(
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const quic::QuicServerId& server) const;
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// Remove the canonical alt-svc host for |server|.
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void RemoveAltSvcCanonicalHost(const url::SchemeHostPort& server);
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// Update |canonical_server_info_map_| with the new canonical host.
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// The |server| should have the corresponding server info associated with it
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// in |quic_server_info_map_|. If |canonical_server_info_map_| doesn't
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// have an entry associated with |server|, the method will add one.
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void UpdateCanonicalServerInfoMap(const quic::QuicServerId& server);
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const base::TickClock* tick_clock_; // Unowned
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base::Clock* clock_; // Unowned
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SpdyServersMap spdy_servers_map_;
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Http11ServerHostPortSet http11_servers_;
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AlternativeServiceMap alternative_service_map_;
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BrokenAlternativeServices broken_alternative_services_;
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IPAddress last_quic_address_;
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ServerNetworkStatsMap server_network_stats_map_;
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// Contains a map of servers which could share the same alternate protocol.
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// Map from a Canonical scheme/host/port (host is some postfix of host names)
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// to an actual origin, which has a plausible alternate protocol mapping.
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CanonicalAltSvcMap canonical_alt_svc_map_;
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// Contains list of suffixes (for exmaple ".c.youtube.com",
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// ".googlevideo.com", ".googleusercontent.com") of canonical hostnames.
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CanonicalSufficList canonical_suffixes_;
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QuicServerInfoMap quic_server_info_map_;
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// Maps canonical suffixes to host names that have the same canonical suffix
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// and have a corresponding entry in |quic_server_info_map_|. The map can be
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// used to quickly look for server info for hosts that share the same
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// canonical suffix but don't have exact match in |quic_server_info_map_|. The
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// map exists solely to improve the search performance. It only contais
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// derived data that can be recalculated by traversing
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// |quic_server_info_map_|.
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CanonicalServerInfoMap canonical_server_info_map_;
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size_t max_server_configs_stored_in_properties_;
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THREAD_CHECKER(thread_checker_);
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DISALLOW_COPY_AND_ASSIGN(HttpServerPropertiesImpl);
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};
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} // namespace net
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#endif // NET_HTTP_HTTP_SERVER_PROPERTIES_IMPL_H_
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