Adds ability to disable connection pooling in QUIC.

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 <set>
 
 #include "base/cpu.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 464 matching lines @@
     TransportSecurityState* transport_security_state,
     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 enable_time_based_loss_detection,
     bool always_require_handshake_confirmation,
+    bool disable_connection_pooling,
     const QuicTagVector& connection_options)
     : 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_(NULL),
       quic_crypto_client_stream_factory_(quic_crypto_client_stream_factory),
       random_generator_(random_generator),
       clock_(clock),
       max_packet_length_(max_packet_length),
       config_(InitializeQuicConfig(enable_time_based_loss_detection,
                                    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),
       port_seed_(random_generator_->RandUint64()),
       weak_factory_(this) {
   DCHECK(transport_security_state_);
   crypto_config_.SetDefaults();
   crypto_config_.set_user_agent_id(user_agent_id);
   crypto_config_.AddCanonicalSuffix(".c.youtube.com");
   crypto_config_.AddCanonicalSuffix(".googlevideo.com");
   crypto_config_.SetProofVerifier(
       new ProofVerifierChromium(cert_verifier, transport_security_state));
   crypto_config_.SetChannelIDSource(
@@ skipping 61 matching lines @@
     DCHECK(HasActiveSession(server_id));
     request->set_stream(CreateIfSessionExists(server_id, net_log));
   }
   return rv;
 }
 
 bool QuicStreamFactory::OnResolution(
     const QuicServerId& server_id,
     const AddressList& address_list) {
   DCHECK(!HasActiveSession(server_id));
+  if (disable_connection_pooling_) {
+    return false;
+  }
   for (size_t i = 0; i < address_list.size(); ++i) {
     const IPEndPoint& address = address_list[i];
     const IpAliasKey ip_alias_key(address, server_id.is_https());
     if (!ContainsKey(ip_aliases_, ip_alias_key))
       continue;
 
     const SessionSet& sessions = ip_aliases_[ip_alias_key];
     for (SessionSet::const_iterator i = sessions.begin();
          i != sessions.end(); ++i) {
       QuicClientSession* session = *i;
@@ skipping 387 matching lines @@
   http_server_properties_->ClearAlternateProtocol(server);
   http_server_properties_->SetAlternateProtocol(
       server, alternate.port, alternate.protocol, 1);
   DCHECK_EQ(QUIC,
             http_server_properties_->GetAlternateProtocol(server).protocol);
   DCHECK(http_server_properties_->WasAlternateProtocolRecentlyBroken(
       server));
 }
 
 }  // namespace net