Adds QUIC_VERSION_36 which adds support to force HOL blocking between streams for measurement purpo…

net/quic/quic_config.cc

 // Copyright (c) 2013 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_config.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "net/quic/crypto/crypto_handshake_message.h"
@@ skipping 399 matching lines @@
       silent_close_(kSCLS, PRESENCE_OPTIONAL),
       max_streams_per_connection_(kMSPC, PRESENCE_OPTIONAL),
       max_incoming_dynamic_streams_(kMIDS, PRESENCE_OPTIONAL),
       bytes_for_connection_id_(kTCID, PRESENCE_OPTIONAL),
       initial_round_trip_time_us_(kIRTT, PRESENCE_OPTIONAL),
       initial_stream_flow_control_window_bytes_(kSFCW, PRESENCE_OPTIONAL),
       initial_session_flow_control_window_bytes_(kCFCW, PRESENCE_OPTIONAL),
       socket_receive_buffer_(kSRBF, PRESENCE_OPTIONAL),
       multipath_enabled_(kMPTH, PRESENCE_OPTIONAL),
       connection_migration_disabled_(kNCMR, PRESENCE_OPTIONAL),
-      alternate_server_address_(kASAD, PRESENCE_OPTIONAL) {
+      alternate_server_address_(kASAD, PRESENCE_OPTIONAL),
+      force_hol_blocking_(kFHOL, PRESENCE_OPTIONAL) {
   SetDefaults();
 }
 
 QuicConfig::QuicConfig(const QuicConfig& other) = default;
 
 QuicConfig::~QuicConfig() {}
 
 bool QuicConfig::SetInitialReceivedConnectionOptions(
     const QuicTagVector& tags) {
   if (HasReceivedConnectionOptions()) {
@@ skipping 205 matching lines @@
 }
 
 bool QuicConfig::HasReceivedAlternateServerAddress() const {
   return alternate_server_address_.HasReceivedValue();
 }
 
 const IPEndPoint& QuicConfig::ReceivedAlternateServerAddress() const {
   return alternate_server_address_.GetReceivedValue();
 }
 
+void QuicConfig::SetForceHolBlocking() {
+  force_hol_blocking_.SetSendValue(1);
+}
+
+bool QuicConfig::ForceHolBlocking(Perspective perspective) const {
+  if (perspective == Perspective::IS_SERVER) {
+    return force_hol_blocking_.HasReceivedValue();
+  } else {
+    return force_hol_blocking_.HasSendValue();
+  }
+}
+
 bool QuicConfig::negotiated() const {
   // TODO(ianswett): Add the negotiated parameters once and iterate over all
   // of them in negotiated, ToHandshakeMessage, ProcessClientHello, and
   // ProcessServerHello.
   return idle_connection_state_lifetime_seconds_.negotiated() &&
          max_streams_per_connection_.negotiated();
 }
 
 void QuicConfig::SetDefaults() {
   idle_connection_state_lifetime_seconds_.set(kMaximumIdleTimeoutSecs,
@@ skipping 79 matching lines @@
                                                  error_details);
   }
   if (error == QUIC_NO_ERROR) {
     error = alternate_server_address_.ProcessPeerHello(peer_hello, hello_type,
                                                        error_details);
   }
   return error;
 }
 
 }  // namespace net