blob: d39b05903565e0663ffdc8214fcba4342457eba1 [file] [log] [blame]
// 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 <utility>
#include "base/atomic_sequence_num.h"
#include "base/compiler_specific.h"
#include "base/debug/stack_trace.h"
#include "base/logging.h"
#include "base/profiler/scoped_tracker.h"
#include "base/stl_util.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/values.h"
#include "net/http/http_auth_handler_factory.h"
#include "net/http/http_response_body_drainer.h"
#include "net/http/http_stream_factory_impl.h"
#include "net/http/url_security_manager.h"
#include "net/proxy/proxy_service.h"
#include "net/quic/crypto/quic_random.h"
#include "net/quic/quic_clock.h"
#include "net/quic/quic_crypto_client_stream_factory.h"
#include "net/quic/quic_protocol.h"
#include "net/quic/quic_stream_factory.h"
#include "net/quic/quic_utils.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_pool.h"
namespace net {
namespace {
base::StaticAtomicSequenceNumber g_next_shard_id;
ClientSocketPoolManager* CreateSocketPoolManager(
HttpNetworkSession::SocketPoolType pool_type,
const HttpNetworkSession::Params& params,
const std::string& ssl_session_cache_shard) {
// TODO(yutak): Differentiate WebSocket pool manager and allow more
// simultaneous connections for WebSockets.
return new ClientSocketPoolManagerImpl(
params.net_log,
params.client_socket_factory ? params.client_socket_factory
: ClientSocketFactory::GetDefaultFactory(),
params.socket_performance_watcher_factory, params.host_resolver,
params.cert_verifier, params.channel_id_service,
params.transport_security_state, params.cert_transparency_verifier,
params.ct_policy_enforcer, ssl_session_cache_shard,
params.ssl_config_service, pool_type);
}
} // unnamed namespace
// 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
// QUIC's socket receive buffer size.
// We should adaptively set this buffer size, but for now, we'll use a size
// that seems large enough to receive data at line rate for most connections,
// and does not consume "too much" memory.
const int32_t kQuicSocketReceiveBufferSize = 1024 * 1024; // 1MB
// Number of recent connections to consider for certain thresholds
// that trigger disabling QUIC. E.g. disable QUIC if PUBLIC_RESET was
// received post handshake for at least 2 of 20 recent connections.
const int32_t kQuicMaxRecentDisabledReasons = 20;
HttpNetworkSession::Params::Params()
: client_socket_factory(NULL),
host_resolver(NULL),
cert_verifier(NULL),
channel_id_service(NULL),
transport_security_state(NULL),
cert_transparency_verifier(NULL),
ct_policy_enforcer(NULL),
proxy_service(NULL),
ssl_config_service(NULL),
http_auth_handler_factory(NULL),
net_log(NULL),
host_mapping_rules(NULL),
socket_performance_watcher_factory(NULL),
ignore_certificate_errors(false),
testing_fixed_http_port(0),
testing_fixed_https_port(0),
enable_tcp_fast_open_for_ssl(false),
enable_spdy_ping_based_connection_checking(true),
spdy_default_protocol(kProtoUnknown),
enable_spdy31(false),
enable_http2(true),
spdy_session_max_recv_window_size(kSpdySessionMaxRecvWindowSize),
spdy_stream_max_recv_window_size(kSpdyStreamMaxRecvWindowSize),
time_func(&base::TimeTicks::Now),
enable_alternative_service_with_different_host(true),
enable_alternative_service_for_insecure_origins(false),
enable_npn(false),
enable_priority_dependencies(true),
enable_quic(false),
disable_quic_on_timeout_with_open_streams(false),
enable_quic_port_selection(true),
quic_always_require_handshake_confirmation(false),
quic_disable_connection_pooling(false),
quic_load_server_info_timeout_srtt_multiplier(0.25f),
quic_enable_connection_racing(false),
quic_enable_non_blocking_io(false),
quic_disable_disk_cache(false),
quic_prefer_aes(false),
quic_max_number_of_lossy_connections(0),
quic_packet_loss_threshold(1.0f),
quic_socket_receive_buffer_size(kQuicSocketReceiveBufferSize),
quic_delay_tcp_race(true),
quic_max_server_configs_stored_in_properties(0u),
quic_clock(NULL),
quic_random(NULL),
quic_max_packet_length(kDefaultMaxPacketSize),
enable_user_alternate_protocol_ports(false),
quic_crypto_client_stream_factory(
QuicCryptoClientStreamFactory::GetDefaultFactory()),
quic_max_recent_disabled_reasons(kQuicMaxRecentDisabledReasons),
quic_threshold_public_resets_post_handshake(0),
quic_threshold_timeouts_streams_open(0),
quic_close_sessions_on_ip_change(false),
quic_idle_connection_timeout_seconds(kIdleConnectionTimeoutSeconds),
quic_disable_preconnect_if_0rtt(false),
quic_migrate_sessions_on_network_change(false),
quic_migrate_sessions_early(false),
quic_disable_bidirectional_streams(false),
proxy_delegate(NULL),
enable_token_binding(false) {
quic_supported_versions.push_back(QUIC_VERSION_34);
}
HttpNetworkSession::Params::Params(const Params& other) = default;
HttpNetworkSession::Params::~Params() {}
// TODO(mbelshe): Move the socket factories into HttpStreamFactory.
HttpNetworkSession::HttpNetworkSession(const Params& params)
: net_log_(params.net_log),
http_server_properties_(params.http_server_properties),
cert_verifier_(params.cert_verifier),
http_auth_handler_factory_(params.http_auth_handler_factory),
proxy_service_(params.proxy_service),
ssl_config_service_(params.ssl_config_service),
quic_stream_factory_(
params.net_log,
params.host_resolver,
params.client_socket_factory
? params.client_socket_factory
: ClientSocketFactory::GetDefaultFactory(),
params.http_server_properties,
params.cert_verifier,
params.ct_policy_enforcer,
params.channel_id_service,
params.transport_security_state,
params.cert_transparency_verifier,
params.socket_performance_watcher_factory,
params.quic_crypto_client_stream_factory,
params.quic_random ? params.quic_random : QuicRandom::GetInstance(),
params.quic_clock ? params.quic_clock : new QuicClock(),
params.quic_max_packet_length,
params.quic_user_agent_id,
params.quic_supported_versions,
params.enable_quic_port_selection,
params.quic_always_require_handshake_confirmation,
params.quic_disable_connection_pooling,
params.quic_load_server_info_timeout_srtt_multiplier,
params.quic_enable_connection_racing,
params.quic_enable_non_blocking_io,
params.quic_disable_disk_cache,
params.quic_prefer_aes,
params.quic_max_number_of_lossy_connections,
params.quic_packet_loss_threshold,
params.quic_max_recent_disabled_reasons,
params.quic_threshold_public_resets_post_handshake,
params.quic_threshold_timeouts_streams_open,
params.quic_socket_receive_buffer_size,
params.quic_delay_tcp_race,
params.quic_max_server_configs_stored_in_properties,
params.quic_close_sessions_on_ip_change,
params.disable_quic_on_timeout_with_open_streams,
params.quic_idle_connection_timeout_seconds,
params.quic_migrate_sessions_on_network_change,
params.quic_migrate_sessions_early,
params.quic_connection_options,
params.enable_token_binding),
spdy_session_pool_(params.host_resolver,
params.ssl_config_service,
params.http_server_properties,
params.transport_security_state,
params.enable_spdy_ping_based_connection_checking,
params.enable_priority_dependencies,
params.spdy_default_protocol,
params.spdy_session_max_recv_window_size,
params.spdy_stream_max_recv_window_size,
params.time_func,
params.proxy_delegate),
http_stream_factory_(new HttpStreamFactoryImpl(this, false)),
http_stream_factory_for_websocket_(new HttpStreamFactoryImpl(this, true)),
params_(params) {
DCHECK(proxy_service_);
DCHECK(ssl_config_service_.get());
CHECK(http_server_properties_);
const std::string ssl_session_cache_shard =
"http_network_session/" + base::IntToString(g_next_shard_id.GetNext());
normal_socket_pool_manager_.reset(CreateSocketPoolManager(
NORMAL_SOCKET_POOL, params, ssl_session_cache_shard));
websocket_socket_pool_manager_.reset(CreateSocketPoolManager(
WEBSOCKET_SOCKET_POOL, params, ssl_session_cache_shard));
for (int i = ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION;
i <= ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION; ++i) {
enabled_protocols_[i - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] = false;
}
// TODO(rtenneti): https://crbug.com/116575
// Consider combining the NextProto and AlternateProtocol.
if (params_.enable_http2) {
next_protos_.push_back(kProtoHTTP2);
AlternateProtocol alternate = AlternateProtocolFromNextProto(kProtoHTTP2);
enabled_protocols_[alternate - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] =
true;
}
if (params_.enable_spdy31) {
next_protos_.push_back(kProtoSPDY31);
AlternateProtocol alternate = AlternateProtocolFromNextProto(kProtoSPDY31);
enabled_protocols_[alternate - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] =
true;
}
if (params_.enable_quic) {
AlternateProtocol alternate =
AlternateProtocolFromNextProto(kProtoQUIC1SPDY3);
enabled_protocols_[alternate - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] =
true;
}
next_protos_.push_back(kProtoHTTP11);
http_server_properties_->SetMaxServerConfigsStoredInProperties(
params.quic_max_server_configs_stored_in_properties);
}
HttpNetworkSession::~HttpNetworkSession() {
STLDeleteElements(&response_drainers_);
spdy_session_pool_.CloseAllSessions();
}
void HttpNetworkSession::AddResponseDrainer(HttpResponseBodyDrainer* drainer) {
DCHECK(!ContainsKey(response_drainers_, drainer));
response_drainers_.insert(drainer);
}
void HttpNetworkSession::RemoveResponseDrainer(
HttpResponseBodyDrainer* drainer) {
DCHECK(ContainsKey(response_drainers_, drainer));
response_drainers_.erase(drainer);
}
TransportClientSocketPool* HttpNetworkSession::GetTransportSocketPool(
SocketPoolType pool_type) {
return GetSocketPoolManager(pool_type)->GetTransportSocketPool();
}
SSLClientSocketPool* HttpNetworkSession::GetSSLSocketPool(
SocketPoolType pool_type) {
return GetSocketPoolManager(pool_type)->GetSSLSocketPool();
}
SOCKSClientSocketPool* HttpNetworkSession::GetSocketPoolForSOCKSProxy(
SocketPoolType pool_type,
const HostPortPair& socks_proxy) {
return GetSocketPoolManager(pool_type)->GetSocketPoolForSOCKSProxy(
socks_proxy);
}
HttpProxyClientSocketPool* HttpNetworkSession::GetSocketPoolForHTTPProxy(
SocketPoolType pool_type,
const HostPortPair& http_proxy) {
return GetSocketPoolManager(pool_type)->GetSocketPoolForHTTPProxy(http_proxy);
}
SSLClientSocketPool* HttpNetworkSession::GetSocketPoolForSSLWithProxy(
SocketPoolType pool_type,
const HostPortPair& proxy_server) {
return GetSocketPoolManager(pool_type)->GetSocketPoolForSSLWithProxy(
proxy_server);
}
std::unique_ptr<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();
}
std::unique_ptr<base::Value> HttpNetworkSession::QuicInfoToValue() const {
std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
dict->Set("sessions", quic_stream_factory_.QuicStreamFactoryInfoToValue());
dict->SetBoolean("quic_enabled", params_.enable_quic);
dict->SetBoolean("enable_quic_port_selection",
params_.enable_quic_port_selection);
std::unique_ptr<base::ListValue> connection_options(new base::ListValue);
for (QuicTagVector::const_iterator it =
params_.quic_connection_options.begin();
it != params_.quic_connection_options.end(); ++it) {
connection_options->AppendString("'" + QuicUtils::TagToString(*it) + "'");
}
dict->Set("connection_options", std::move(connection_options));
std::unique_ptr<base::ListValue> origins_to_force_quic_on(
new base::ListValue);
for (const auto& origin : params_.origins_to_force_quic_on) {
origins_to_force_quic_on->AppendString("'" + origin.ToString() + "'");
}
dict->Set("origins_to_force_quic_on", std::move(origins_to_force_quic_on));
dict->SetDouble("load_server_info_timeout_srtt_multiplier",
params_.quic_load_server_info_timeout_srtt_multiplier);
dict->SetBoolean("enable_connection_racing",
params_.quic_enable_connection_racing);
dict->SetBoolean("disable_disk_cache", params_.quic_disable_disk_cache);
dict->SetBoolean("prefer_aes", params_.quic_prefer_aes);
dict->SetInteger("max_number_of_lossy_connections",
params_.quic_max_number_of_lossy_connections);
dict->SetDouble("packet_loss_threshold", params_.quic_packet_loss_threshold);
dict->SetBoolean("delay_tcp_race", params_.quic_delay_tcp_race);
dict->SetInteger("max_server_configs_stored_in_properties",
params_.quic_max_server_configs_stored_in_properties);
dict->SetInteger("idle_connection_timeout_seconds",
params_.quic_idle_connection_timeout_seconds);
dict->SetBoolean("disable_preconnect_if_0rtt",
params_.quic_disable_preconnect_if_0rtt);
dict->SetBoolean("disable_quic_on_timeout_with_open_streams",
params_.disable_quic_on_timeout_with_open_streams);
dict->SetString("disabled_reason",
quic_stream_factory_.QuicDisabledReasonString());
return std::move(dict);
}
void HttpNetworkSession::CloseAllConnections() {
normal_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
websocket_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
spdy_session_pool_.CloseCurrentSessions(ERR_ABORTED);
quic_stream_factory_.CloseAllSessions(ERR_ABORTED, QUIC_INTERNAL_ERROR);
}
void HttpNetworkSession::CloseIdleConnections() {
normal_socket_pool_manager_->CloseIdleSockets();
websocket_socket_pool_manager_->CloseIdleSockets();
spdy_session_pool_.CloseCurrentIdleSessions();
}
bool HttpNetworkSession::IsProtocolEnabled(AlternateProtocol protocol) const {
DCHECK(IsAlternateProtocolValid(protocol));
return enabled_protocols_[
protocol - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION];
}
void HttpNetworkSession::GetAlpnProtos(NextProtoVector* alpn_protos) const {
if (HttpStreamFactory::spdy_enabled()) {
*alpn_protos = next_protos_;
} else {
alpn_protos->clear();
}
}
void HttpNetworkSession::GetNpnProtos(NextProtoVector* npn_protos) const {
if (HttpStreamFactory::spdy_enabled() && params_.enable_npn) {
*npn_protos = next_protos_;
} else {
npn_protos->clear();
}
}
void HttpNetworkSession::GetSSLConfig(const HttpRequestInfo& request,
SSLConfig* server_config,
SSLConfig* proxy_config) const {
ssl_config_service_->GetSSLConfig(server_config);
GetAlpnProtos(&server_config->alpn_protos);
GetNpnProtos(&server_config->npn_protos);
*proxy_config = *server_config;
if (request.privacy_mode == PRIVACY_MODE_ENABLED) {
server_config->channel_id_enabled = false;
} else if (params_.enable_token_binding && params_.channel_id_service) {
server_config->token_binding_params.push_back(TB_PARAM_ECDSAP256);
}
}
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 NULL;
}
} // namespace net