Add a QUIC proxy server to the list of QUIC servers supported at start up

net/quic/chromium/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/chromium/quic_stream_factory.h"
 
 #include <algorithm>
 #include <tuple>
 #include <utility>
 
 #include "base/location.h"
 #include "base/memory/ptr_util.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_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/trace_event/trace_event.h"
 #include "base/values.h"
 #include "crypto/openssl_util.h"
 #include "net/base/ip_address.h"
 #include "net/base/net_errors.h"
+#include "net/base/proxy_delegate.h"
 #include "net/cert/cert_verifier.h"
 #include "net/cert/ct_verifier.h"
 #include "net/dns/host_resolver.h"
 #include "net/http/bidirectional_stream_impl.h"
 #include "net/log/net_log_capture_mode.h"
 #include "net/log/net_log_event_type.h"
 #include "net/log/net_log_source_type.h"
 #include "net/quic/chromium/bidirectional_stream_quic_impl.h"
 #include "net/quic/chromium/crypto/channel_id_chromium.h"
 #include "net/quic/chromium/crypto/proof_verifier_chromium.h"
@@ skipping 659 matching lines @@
     return nullptr;
   return base::MakeUnique<BidirectionalStreamQuicImpl>(session_);
 }
 
 QuicStreamFactory::QuicStreamFactory(
     NetLog* net_log,
     HostResolver* host_resolver,
     SSLConfigService* ssl_config_service,
     ClientSocketFactory* client_socket_factory,
     HttpServerProperties* http_server_properties,
+    ProxyDelegate* proxy_delegate,
     CertVerifier* cert_verifier,
     CTPolicyEnforcer* ct_policy_enforcer,
     ChannelIDService* channel_id_service,
     TransportSecurityState* transport_security_state,
     CTVerifier* cert_transparency_verifier,
     SocketPerformanceWatcherFactory* socket_performance_watcher_factory,
     QuicCryptoClientStreamFactory* quic_crypto_client_stream_factory,
     QuicRandom* random_generator,
     QuicClock* clock,
     size_t max_packet_length,
@@ skipping 21 matching lines @@
     bool force_hol_blocking,
     bool race_cert_verification,
     bool quic_do_not_fragment,
     const QuicTagVector& connection_options,
     bool enable_token_binding)
     : require_confirmation_(true),
       net_log_(net_log),
       host_resolver_(host_resolver),
       client_socket_factory_(client_socket_factory),
       http_server_properties_(http_server_properties),
+      proxy_delegate_(proxy_delegate),
       transport_security_state_(transport_security_state),
       cert_transparency_verifier_(cert_transparency_verifier),
       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,
                                    idle_connection_timeout_seconds)),
       crypto_config_(base::WrapUnique(
@@ skipping 1056 matching lines @@
 
 void QuicStreamFactory::MaybeInitialize() {
   // We don't initialize data from HttpServerProperties in the constructor
   // because HttpServerProperties has not yet initialized. We're guaranteed
   // HttpServerProperties has been initialized by the first time a request is
   // made.
   if (has_initialized_data_)
     return;
 
   has_initialized_data_ = true;
+
+  // Query the proxy delegate, and add the proxy server that supports QUIC.
+  if (proxy_delegate_ &&
+      proxy_delegate_->GetQuicSupportedProxyServerAtStartUp().is_quic()) {

[RyanSturm, 2016/10/21 22:35:10]

Can you only call GetQuicSupportedServerAtStartUp one time and just store it in
a temp variable?

+    quic_supported_servers_at_startup_.insert(
+        proxy_delegate_->GetQuicSupportedProxyServerAtStartUp()
+            .host_port_pair());
+  }
+
   for (const std::pair<const url::SchemeHostPort, AlternativeServiceInfoVector>&
            key_value : http_server_properties_->alternative_service_map()) {
     HostPortPair host_port_pair(key_value.first.host(), key_value.first.port());
     for (const AlternativeServiceInfo& alternative_service_info :
          key_value.second) {
       if (alternative_service_info.alternative_service.protocol == QUIC) {
         quic_supported_servers_at_startup_.insert(host_port_pair);
         break;
       }
     }
@@ skipping 68 matching lines @@
 void QuicStreamFactory::OpenFactory() {
   status_ = OPEN;
 }
 
 void QuicStreamFactory::MaybeClearConsecutiveDisabledCount() {
   if (status_ == OPEN)
     consecutive_disabled_count_ = 0;
 }
 
 }  // namespace net