Notfiy NQE of QUIC RTT

net/quic/quic_stream_factory.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/quic/quic_stream_factory.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/location.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/rand_util.h"
 #include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "net/base/net_errors.h"
+#include "net/base/socket_performance_watcher.h"
+#include "net/base/socket_performance_watcher_factory.h"
 #include "net/cert/cert_verifier.h"
 #include "net/dns/host_resolver.h"
 #include "net/dns/single_request_host_resolver.h"
 #include "net/http/http_server_properties.h"
 #include "net/quic/crypto/channel_id_chromium.h"
 #include "net/quic/crypto/proof_verifier_chromium.h"
 #include "net/quic/crypto/quic_random.h"
 #include "net/quic/crypto/quic_server_info.h"
 #include "net/quic/port_suggester.h"
 #include "net/quic/quic_chromium_client_session.h"
@@ skipping 531 matching lines @@
 }
 
 QuicStreamFactory::QuicStreamFactory(
     HostResolver* host_resolver,
     ClientSocketFactory* client_socket_factory,
     base::WeakPtr<HttpServerProperties> http_server_properties,
     CertVerifier* cert_verifier,
     CertPolicyEnforcer* cert_policy_enforcer,
     ChannelIDService* channel_id_service,
     TransportSecurityState* transport_security_state,
+    const SocketPerformanceWatcherFactory* socket_performance_watcher_factory,
     QuicCryptoClientStreamFactory* quic_crypto_client_stream_factory,
     QuicRandom* random_generator,
     QuicClock* clock,
     size_t max_packet_length,
     const std::string& user_agent_id,
     const QuicVersionVector& supported_versions,
     bool enable_port_selection,
     bool always_require_handshake_confirmation,
     bool disable_connection_pooling,
     float load_server_info_timeout_srtt_multiplier,
@@ skipping 12 matching lines @@
     : require_confirmation_(true),
       host_resolver_(host_resolver),
       client_socket_factory_(client_socket_factory),
       http_server_properties_(http_server_properties),
       transport_security_state_(transport_security_state),
       quic_server_info_factory_(nullptr),
       quic_crypto_client_stream_factory_(quic_crypto_client_stream_factory),
       random_generator_(random_generator),
       clock_(clock),
       max_packet_length_(max_packet_length),
+      socket_performance_watcher_factory_(socket_performance_watcher_factory),
       config_(InitializeQuicConfig(connection_options)),
       supported_versions_(supported_versions),
       enable_port_selection_(enable_port_selection),
       always_require_handshake_confirmation_(
           always_require_handshake_confirmation),
       disable_connection_pooling_(disable_connection_pooling),
       load_server_info_timeout_srtt_multiplier_(
           load_server_info_timeout_srtt_multiplier),
       enable_connection_racing_(enable_connection_racing),
       enable_non_blocking_io_(enable_non_blocking_io),
@@ skipping 661 matching lines @@
   config.SetBytesForConnectionIdToSend(0);
 
   if (quic_server_info_factory_ && !server_info) {
     // Start the disk cache loading so that we can persist the newer QUIC server
     // information and/or inform the disk cache that we have reused
     // |server_info|.
     server_info.reset(quic_server_info_factory_->GetForServer(server_id));
     server_info->Start();
   }
 
+  // Use the factory to create a new socket performance watcher, and pass the
+  // ownership to QuicChromiumClientSession.
+  scoped_ptr<SocketPerformanceWatcher> socket_performance_watcher;
+  if (socket_performance_watcher_factory_) {
+    socket_performance_watcher = socket_performance_watcher_factory_
+                                     ->CreateUDPSocketPerformanceWatcher();
+  }
+
   *session = new QuicChromiumClientSession(
       connection, socket.Pass(), this, quic_crypto_client_stream_factory_,
       transport_security_state_, server_info.Pass(), server_id,
       cert_verify_flags, config, &crypto_config_,
       network_connection_.GetDescription(), dns_resolution_end_time,
-      base::ThreadTaskRunnerHandle::Get().get(), net_log.net_log());
+      base::ThreadTaskRunnerHandle::Get().get(),
+      socket_performance_watcher.Pass(), net_log.net_log());
 
   all_sessions_[*session] = server_id;  // owning pointer
 
   (*session)->Initialize();
   bool closed_during_initialize =
       !ContainsKey(all_sessions_, *session) ||
       !(*session)->connection()->connected();
   UMA_HISTOGRAM_BOOLEAN("Net.QuicSession.ClosedDuringInitializeSession",
                         closed_during_initialize);
   if (closed_during_initialize) {
@@ skipping 132 matching lines @@
   // Since the session was active, there's no longer an
   // HttpStreamFactoryImpl::Job running which can mark it broken, unless the TCP
   // job also fails. So to avoid not using QUIC when we otherwise could, we mark
   // it as recently broken, which means that 0-RTT will be disabled but we'll
   // still race.
   http_server_properties_->MarkAlternativeServiceRecentlyBroken(
       alternative_service);
 }
 
 }  // namespace net