Only close the QUIC connection after 5RTOs on the client side when the

net/quic/core/quic_connection.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/core/quic_connection.h"
 
 #include <string.h>
 #include <sys/types.h>
 
 #include <algorithm>
@@ skipping 356 matching lines @@
   }
   if (config.HasClientSentConnectionOption(kAKD3, perspective_)) {
     ack_mode_ = ACK_DECIMATION;
     ack_decimation_delay_ = kShortAckDecimationDelay;
   }
   if (config.HasClientSentConnectionOption(kAKD4, perspective_)) {
     ack_mode_ = ACK_DECIMATION_WITH_REORDERING;
     ack_decimation_delay_ = kShortAckDecimationDelay;
   }
   if (config.HasClientSentConnectionOption(k5RTO, perspective_)) {
-    close_connection_after_five_rtos_ = true;
+    if (perspective_ == Perspective::IS_CLIENT ||
+        !FLAGS_quic_only_5rto_client_side) {
+      close_connection_after_five_rtos_ = true;
+    }
   }
 }
 
 void QuicConnection::OnSendConnectionState(
     const CachedNetworkParameters& cached_network_params) {
   if (debug_visitor_ != nullptr) {
     debug_visitor_->OnSendConnectionState(cached_network_params);
   }
 }
 
@@ skipping 2135 matching lines @@
 
 void QuicConnection::CheckIfApplicationLimited() {
   if (queued_packets_.empty() &&
       !sent_packet_manager_->HasPendingRetransmissions() &&
       !visitor_->WillingAndAbleToWrite()) {
     sent_packet_manager_->OnApplicationLimited();
   }
 }
 
 }  // namespace net