Quic use reduced PING timeout when previous connection times out with open streams

net/http/http_network_session.cc

 // 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"
@@ skipping 104 matching lines @@
       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_reduced_ping_timeout_seconds(kPingTimeoutSecs),

[ianswett, 2016/09/01 20:04:15]

nit: kDefaultPingTimeoutSecs?

[Zhongyi Shi, 2016/09/02 00:48:21]

Shall we change it when we decide to default this on? 

       quic_packet_reader_yield_after_duration_milliseconds(
           kQuicYieldAfterDurationMilliseconds),
       quic_disable_preconnect_if_0rtt(false),
       quic_migrate_sessions_on_network_change(false),
       quic_migrate_sessions_early(false),
       quic_allow_server_migration(false),
       quic_disable_bidirectional_streams(false),
       quic_force_hol_blocking(false),
       quic_race_cert_verification(false),
       proxy_delegate(NULL),
@@ skipping 45 matching lines @@
           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_reduced_ping_timeout_seconds,
           params.quic_packet_reader_yield_after_duration_milliseconds,
           params.quic_migrate_sessions_on_network_change,
           params.quic_migrate_sessions_early,
           params.quic_allow_server_migration,
           params.quic_force_hol_blocking,
           params.quic_race_cert_verification,
           params.quic_connection_options,
           params.enable_token_binding),
       spdy_session_pool_(params.host_resolver,
                          params.ssl_config_service,
@@ skipping 132 matching lines @@
   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->SetInteger("reduced_ping_timeout_seconds",
+                   params_.quic_reduced_ping_timeout_seconds);
   dict->SetInteger(
       "packet_reader_yield_after_duration_milliseconds",
       params_.quic_packet_reader_yield_after_duration_milliseconds);
   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());
   dict->SetBoolean("force_hol_blocking", params_.quic_force_hol_blocking);
@@ skipping 63 matching lines @@
     case base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE:
       break;
     case base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE:
     case base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL:
       CloseIdleConnections();
       break;
   }
 }
 
 }  // namespace net