Change the initial maximum packet size for a QUIC server to 1000 bytes

net/quic/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/quic_connection.h"
 
 #include <string.h>
 #include <sys/types.h>
 
 #include <algorithm>
@@ skipping 254 matching lines @@
       self_ip_changed_(false),
       self_port_changed_(false),
       can_truncate_connection_ids_(true),
       is_secure_(is_secure) {
   DVLOG(1) << ENDPOINT << "Created connection with connection_id: "
            << connection_id;
   framer_.set_visitor(this);
   framer_.set_received_entropy_calculator(&received_packet_manager_);
   stats_.connection_creation_time = clock_->ApproximateNow();
   sent_packet_manager_.set_network_change_visitor(this);
+  if (FLAGS_quic_small_default_packet_size && is_server_) {
+    set_max_packet_length(kDefaultServerMaxPacketSize);
+  }
 }
 
 QuicConnection::~QuicConnection() {
   if (owns_writer_) {
     delete writer_;
   }
   STLDeleteElements(&undecryptable_packets_);
   STLDeleteValues(&group_map_);
   for (QueuedPacketList::iterator it = queued_packets_.begin();
        it != queued_packets_.end(); ++it) {
@@ skipping 1811 matching lines @@
   }
   for (const QuicFrame& frame : retransmittable_frames->frames()) {
     if (frame.type == CONNECTION_CLOSE_FRAME) {
       return true;
     }
   }
   return false;
 }
 
 }  // namespace net