123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418 |
- // 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.
- #include "net/http/http_network_session.h"
- #include <inttypes.h>
- #include <utility>
- #include "base/atomic_sequence_num.h"
- #include "base/check_op.h"
- #include "base/compiler_specific.h"
- #include "base/containers/contains.h"
- #include "base/notreached.h"
- #include "base/strings/string_number_conversions.h"
- #include "base/strings/string_util.h"
- #include "base/strings/stringprintf.h"
- #include "base/values.h"
- #include "build/build_config.h"
- #include "net/base/features.h"
- #include "net/dns/host_resolver.h"
- #include "net/http/http_auth_handler_factory.h"
- #include "net/http/http_response_body_drainer.h"
- #include "net/http/http_stream_factory.h"
- #include "net/http/url_security_manager.h"
- #include "net/proxy_resolution/proxy_resolution_service.h"
- #include "net/quic/platform/impl/quic_chromium_clock.h"
- #include "net/quic/quic_crypto_client_stream_factory.h"
- #include "net/quic/quic_stream_factory.h"
- #include "net/socket/client_socket_factory.h"
- #include "net/socket/client_socket_pool_manager_impl.h"
- #include "net/socket/next_proto.h"
- #include "net/socket/ssl_client_socket.h"
- #include "net/spdy/spdy_session.h"
- #include "net/spdy/spdy_session_pool.h"
- #include "net/third_party/quiche/src/quiche/quic/core/crypto/quic_random.h"
- #include "net/third_party/quiche/src/quiche/quic/core/quic_packets.h"
- #include "net/third_party/quiche/src/quiche/quic/core/quic_tag.h"
- #include "net/third_party/quiche/src/quiche/quic/core/quic_utils.h"
- namespace net {
- // The maximum receive window sizes for HTTP/2 sessions and streams.
- const int32_t kSpdySessionMaxRecvWindowSize = 15 * 1024 * 1024; // 15 MB
- const int32_t kSpdyStreamMaxRecvWindowSize = 6 * 1024 * 1024; // 6 MB
- namespace {
- // Keep all HTTP2 parameters in |http2_settings|, even the ones that are not
- // implemented, to be sent to the server.
- // Set default values for settings that |http2_settings| does not specify.
- spdy::SettingsMap AddDefaultHttp2Settings(spdy::SettingsMap http2_settings) {
- // Set default values only if |http2_settings| does not have
- // a value set for given setting.
- auto it = http2_settings.find(spdy::SETTINGS_HEADER_TABLE_SIZE);
- if (it == http2_settings.end())
- http2_settings[spdy::SETTINGS_HEADER_TABLE_SIZE] = kSpdyMaxHeaderTableSize;
- it = http2_settings.find(spdy::SETTINGS_MAX_CONCURRENT_STREAMS);
- if (it == http2_settings.end())
- http2_settings[spdy::SETTINGS_MAX_CONCURRENT_STREAMS] =
- kSpdyMaxConcurrentPushedStreams;
- it = http2_settings.find(spdy::SETTINGS_INITIAL_WINDOW_SIZE);
- if (it == http2_settings.end())
- http2_settings[spdy::SETTINGS_INITIAL_WINDOW_SIZE] =
- kSpdyStreamMaxRecvWindowSize;
- it = http2_settings.find(spdy::SETTINGS_MAX_HEADER_LIST_SIZE);
- if (it == http2_settings.end())
- http2_settings[spdy::SETTINGS_MAX_HEADER_LIST_SIZE] =
- kSpdyMaxHeaderListSize;
- return http2_settings;
- }
- } // unnamed namespace
- HttpNetworkSessionParams::HttpNetworkSessionParams()
- : spdy_session_max_recv_window_size(kSpdySessionMaxRecvWindowSize),
- spdy_session_max_queued_capped_frames(kSpdySessionMaxQueuedCappedFrames),
- time_func(&base::TimeTicks::Now) {
- enable_early_data =
- base::FeatureList::IsEnabled(features::kEnableTLS13EarlyData);
- use_dns_https_svcb_alpn =
- base::FeatureList::IsEnabled(features::kUseDnsHttpsSvcbAlpn);
- }
- HttpNetworkSessionParams::HttpNetworkSessionParams(
- const HttpNetworkSessionParams& other) = default;
- HttpNetworkSessionParams::~HttpNetworkSessionParams() = default;
- HttpNetworkSessionContext::HttpNetworkSessionContext()
- : client_socket_factory(nullptr),
- host_resolver(nullptr),
- cert_verifier(nullptr),
- transport_security_state(nullptr),
- ct_policy_enforcer(nullptr),
- sct_auditing_delegate(nullptr),
- proxy_resolution_service(nullptr),
- proxy_delegate(nullptr),
- http_user_agent_settings(nullptr),
- ssl_config_service(nullptr),
- http_auth_handler_factory(nullptr),
- net_log(nullptr),
- socket_performance_watcher_factory(nullptr),
- network_quality_estimator(nullptr),
- quic_context(nullptr),
- #if BUILDFLAG(ENABLE_REPORTING)
- reporting_service(nullptr),
- network_error_logging_service(nullptr),
- #endif
- quic_crypto_client_stream_factory(
- QuicCryptoClientStreamFactory::GetDefaultFactory()) {
- }
- HttpNetworkSessionContext::HttpNetworkSessionContext(
- const HttpNetworkSessionContext& other) = default;
- HttpNetworkSessionContext::~HttpNetworkSessionContext() = default;
- // TODO(mbelshe): Move the socket factories into HttpStreamFactory.
- HttpNetworkSession::HttpNetworkSession(const HttpNetworkSessionParams& params,
- const HttpNetworkSessionContext& context)
- : net_log_(context.net_log),
- http_server_properties_(context.http_server_properties),
- cert_verifier_(context.cert_verifier),
- http_auth_handler_factory_(context.http_auth_handler_factory),
- host_resolver_(context.host_resolver),
- #if BUILDFLAG(ENABLE_REPORTING)
- reporting_service_(context.reporting_service),
- network_error_logging_service_(context.network_error_logging_service),
- #endif
- proxy_resolution_service_(context.proxy_resolution_service),
- ssl_config_service_(context.ssl_config_service),
- http_auth_cache_(
- params.key_auth_cache_server_entries_by_network_isolation_key),
- ssl_client_session_cache_(SSLClientSessionCache::Config()),
- ssl_client_context_(context.ssl_config_service,
- context.cert_verifier,
- context.transport_security_state,
- context.ct_policy_enforcer,
- &ssl_client_session_cache_,
- context.sct_auditing_delegate),
- quic_stream_factory_(context.net_log,
- context.host_resolver,
- context.ssl_config_service,
- context.client_socket_factory,
- context.http_server_properties,
- context.cert_verifier,
- context.ct_policy_enforcer,
- context.transport_security_state,
- context.sct_auditing_delegate,
- context.socket_performance_watcher_factory,
- context.quic_crypto_client_stream_factory,
- context.quic_context),
- spdy_session_pool_(context.host_resolver,
- &ssl_client_context_,
- context.http_server_properties,
- context.transport_security_state,
- context.quic_context->params()->supported_versions,
- params.enable_spdy_ping_based_connection_checking,
- params.enable_http2,
- params.enable_quic,
- params.spdy_session_max_recv_window_size,
- params.spdy_session_max_queued_capped_frames,
- AddDefaultHttp2Settings(params.http2_settings),
- params.enable_http2_settings_grease,
- params.greased_http2_frame,
- params.http2_end_stream_with_data_frame,
- params.enable_priority_update,
- params.spdy_go_away_on_ip_change,
- params.time_func,
- context.network_quality_estimator,
- // cleanup_sessions_on_ip_address_changed
- !params.ignore_ip_address_changes),
- http_stream_factory_(std::make_unique<HttpStreamFactory>(this)),
- params_(params),
- context_(context) {
- DCHECK(proxy_resolution_service_);
- DCHECK(ssl_config_service_);
- CHECK(http_server_properties_);
- DCHECK(context_.client_socket_factory);
- normal_socket_pool_manager_ = std::make_unique<ClientSocketPoolManagerImpl>(
- CreateCommonConnectJobParams(false /* for_websockets */),
- CreateCommonConnectJobParams(true /* for_websockets */),
- NORMAL_SOCKET_POOL,
- // cleanup_on_ip_address_change
- !params.ignore_ip_address_changes);
- websocket_socket_pool_manager_ =
- std::make_unique<ClientSocketPoolManagerImpl>(
- CreateCommonConnectJobParams(false /* for_websockets */),
- CreateCommonConnectJobParams(true /* for_websockets */),
- WEBSOCKET_SOCKET_POOL,
- // cleanup_on_ip_address_change
- !params.ignore_ip_address_changes);
- if (params_.enable_http2) {
- next_protos_.push_back(kProtoHTTP2);
- if (base::FeatureList::IsEnabled(features::kAlpsForHttp2)) {
- // Enable ALPS for HTTP/2 with empty data.
- application_settings_[kProtoHTTP2] = {};
- }
- }
- next_protos_.push_back(kProtoHTTP11);
- http_server_properties_->SetMaxServerConfigsStoredInProperties(
- context.quic_context->params()->max_server_configs_stored_in_properties);
- http_server_properties_->SetBrokenAlternativeServicesDelayParams(
- context.quic_context->params()
- ->initial_delay_for_broken_alternative_service,
- context.quic_context->params()->exponential_backoff_on_initial_delay);
- if (!params_.disable_idle_sockets_close_on_memory_pressure) {
- memory_pressure_listener_ = std::make_unique<base::MemoryPressureListener>(
- FROM_HERE, base::BindRepeating(&HttpNetworkSession::OnMemoryPressure,
- base::Unretained(this)));
- }
- }
- HttpNetworkSession::~HttpNetworkSession() {
- DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
- response_drainers_.clear();
- // TODO(bnc): CloseAllSessions() is also called in SpdySessionPool destructor,
- // one of the two calls should be removed.
- spdy_session_pool_.CloseAllSessions();
- }
- void HttpNetworkSession::StartResponseDrainer(
- std::unique_ptr<HttpResponseBodyDrainer> drainer) {
- DCHECK(!base::Contains(response_drainers_, drainer.get()));
- HttpResponseBodyDrainer* drainer_ptr = drainer.get();
- response_drainers_.insert(std::move(drainer));
- drainer_ptr->Start(this);
- }
- void HttpNetworkSession::RemoveResponseDrainer(
- HttpResponseBodyDrainer* drainer) {
- DCHECK(base::Contains(response_drainers_, drainer));
- response_drainers_.erase(response_drainers_.find(drainer));
- }
- ClientSocketPool* HttpNetworkSession::GetSocketPool(
- SocketPoolType pool_type,
- const ProxyServer& proxy_server) {
- return GetSocketPoolManager(pool_type)->GetSocketPool(proxy_server);
- }
- base::Value HttpNetworkSession::SocketPoolInfoToValue() const {
- // TODO(yutak): Should merge values from normal pools and WebSocket pools.
- return normal_socket_pool_manager_->SocketPoolInfoToValue();
- }
- std::unique_ptr<base::Value> HttpNetworkSession::SpdySessionPoolInfoToValue()
- const {
- return spdy_session_pool_.SpdySessionPoolInfoToValue();
- }
- base::Value HttpNetworkSession::QuicInfoToValue() const {
- base::Value::Dict dict;
- dict.Set("sessions", quic_stream_factory_.QuicStreamFactoryInfoToValue());
- dict.Set("quic_enabled", IsQuicEnabled());
- const QuicParams* quic_params = context_.quic_context->params();
- base::Value::List connection_options;
- for (const auto& option : quic_params->connection_options)
- connection_options.Append(quic::QuicTagToString(option));
- dict.Set("connection_options", std::move(connection_options));
- base::Value::List supported_versions;
- for (const auto& version : quic_params->supported_versions)
- supported_versions.Append(ParsedQuicVersionToString(version));
- dict.Set("supported_versions", std::move(supported_versions));
- base::Value::List origins_to_force_quic_on;
- for (const auto& origin : quic_params->origins_to_force_quic_on)
- origins_to_force_quic_on.Append(origin.ToString());
- dict.Set("origins_to_force_quic_on", std::move(origins_to_force_quic_on));
- dict.Set("max_packet_length",
- static_cast<int>(quic_params->max_packet_length));
- dict.Set(
- "max_server_configs_stored_in_properties",
- static_cast<int>(quic_params->max_server_configs_stored_in_properties));
- dict.Set("idle_connection_timeout_seconds",
- static_cast<int>(quic_params->idle_connection_timeout.InSeconds()));
- dict.Set("reduced_ping_timeout_seconds",
- static_cast<int>(quic_params->reduced_ping_timeout.InSeconds()));
- dict.Set("retry_without_alt_svc_on_quic_errors",
- quic_params->retry_without_alt_svc_on_quic_errors);
- dict.Set("disable_bidirectional_streams",
- quic_params->disable_bidirectional_streams);
- dict.Set("close_sessions_on_ip_change",
- quic_params->close_sessions_on_ip_change);
- dict.Set("goaway_sessions_on_ip_change",
- quic_params->goaway_sessions_on_ip_change);
- dict.Set("migrate_sessions_on_network_change_v2",
- quic_params->migrate_sessions_on_network_change_v2);
- dict.Set("migrate_sessions_early_v2", quic_params->migrate_sessions_early_v2);
- dict.Set("retransmittable_on_wire_timeout_milliseconds",
- static_cast<int>(
- quic_params->retransmittable_on_wire_timeout.InMilliseconds()));
- dict.Set("retry_on_alternate_network_before_handshake",
- quic_params->retry_on_alternate_network_before_handshake);
- dict.Set("migrate_idle_sessions", quic_params->migrate_idle_sessions);
- dict.Set(
- "idle_session_migration_period_seconds",
- static_cast<int>(quic_params->idle_session_migration_period.InSeconds()));
- dict.Set("max_time_on_non_default_network_seconds",
- static_cast<int>(
- quic_params->max_time_on_non_default_network.InSeconds()));
- dict.Set("max_num_migrations_to_non_default_network_on_write_error",
- quic_params->max_migrations_to_non_default_network_on_write_error);
- dict.Set(
- "max_num_migrations_to_non_default_network_on_path_degrading",
- quic_params->max_migrations_to_non_default_network_on_path_degrading);
- dict.Set("allow_server_migration", quic_params->allow_server_migration);
- dict.Set("race_stale_dns_on_connection",
- quic_params->race_stale_dns_on_connection);
- dict.Set("estimate_initial_rtt", quic_params->estimate_initial_rtt);
- dict.Set("server_push_cancellation", params_.enable_server_push_cancellation);
- dict.Set("initial_rtt_for_handshake_milliseconds",
- static_cast<int>(
- quic_params->initial_rtt_for_handshake.InMilliseconds()));
- return base::Value(std::move(dict));
- }
- void HttpNetworkSession::CloseAllConnections(int net_error,
- const char* net_log_reason_utf8) {
- normal_socket_pool_manager_->FlushSocketPoolsWithError(net_error,
- net_log_reason_utf8);
- websocket_socket_pool_manager_->FlushSocketPoolsWithError(
- net_error, net_log_reason_utf8);
- spdy_session_pool_.CloseCurrentSessions(static_cast<net::Error>(net_error));
- quic_stream_factory_.CloseAllSessions(net_error, quic::QUIC_PEER_GOING_AWAY);
- }
- void HttpNetworkSession::CloseIdleConnections(const char* net_log_reason_utf8) {
- normal_socket_pool_manager_->CloseIdleSockets(net_log_reason_utf8);
- websocket_socket_pool_manager_->CloseIdleSockets(net_log_reason_utf8);
- spdy_session_pool_.CloseCurrentIdleSessions(net_log_reason_utf8);
- }
- void HttpNetworkSession::SetServerPushDelegate(
- std::unique_ptr<ServerPushDelegate> push_delegate) {
- DCHECK(push_delegate);
- if (!params_.enable_server_push_cancellation || push_delegate_)
- return;
- push_delegate_ = std::move(push_delegate);
- spdy_session_pool_.set_server_push_delegate(push_delegate_.get());
- quic_stream_factory_.set_server_push_delegate(push_delegate_.get());
- }
- bool HttpNetworkSession::IsQuicEnabled() const {
- return params_.enable_quic;
- }
- void HttpNetworkSession::DisableQuic() {
- params_.enable_quic = false;
- }
- void HttpNetworkSession::ClearSSLSessionCache() {
- ssl_client_session_cache_.Flush();
- }
- CommonConnectJobParams HttpNetworkSession::CreateCommonConnectJobParams(
- bool for_websockets) {
- // Use null websocket_endpoint_lock_manager, which is only set for WebSockets,
- // and only when not using a proxy.
- return CommonConnectJobParams(
- context_.client_socket_factory, context_.host_resolver, &http_auth_cache_,
- context_.http_auth_handler_factory, &spdy_session_pool_,
- &context_.quic_context->params()->supported_versions,
- &quic_stream_factory_, context_.proxy_delegate,
- context_.http_user_agent_settings, &ssl_client_context_,
- context_.socket_performance_watcher_factory,
- context_.network_quality_estimator, context_.net_log,
- for_websockets ? &websocket_endpoint_lock_manager_ : nullptr);
- }
- ClientSocketPoolManager* HttpNetworkSession::GetSocketPoolManager(
- SocketPoolType pool_type) {
- switch (pool_type) {
- case NORMAL_SOCKET_POOL:
- return normal_socket_pool_manager_.get();
- case WEBSOCKET_SOCKET_POOL:
- return websocket_socket_pool_manager_.get();
- default:
- NOTREACHED();
- break;
- }
- return nullptr;
- }
- void HttpNetworkSession::OnMemoryPressure(
- base::MemoryPressureListener::MemoryPressureLevel memory_pressure_level) {
- DCHECK(!params_.disable_idle_sockets_close_on_memory_pressure);
- switch (memory_pressure_level) {
- case base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE:
- break;
- case base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE:
- case base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL:
- CloseIdleConnections("Low memory");
- break;
- }
- }
- } // namespace net
|