net/quic/quic_flags.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "net/quic/quic_flags.h"
   6
   7 bool FLAGS_quic_allow_oversized_packets_for_test = false;
   8
   9 // When true, the use time based loss detection instead of nack.
  10 bool FLAGS_quic_use_time_loss_detection = false;
  11
  12 // If true, it will return as soon as an error is detected while validating
  13 // CHLO.
  14 bool FLAGS_use_early_return_when_verifying_chlo = true;
  15
  16 // If true, QUIC connections will support FEC protection of data while sending
  17 // packets, to reduce latency of data delivery to the application. The client
  18 // must also request FEC protection for the server to use FEC.
  19 bool FLAGS_enable_quic_fec = false;
  20
  21 // When true, defaults to BBR congestion control instead of Cubic.
  22 bool FLAGS_quic_use_bbr_congestion_control = false;
  23
  24 // If true, QUIC BBR congestion control may be enabled via Finch and/or via QUIC
  25 // connection options.
  26 bool FLAGS_quic_allow_bbr = false;
  27
  28 // Time period for which a given connection_id should live in the time-wait
  29 // state.
  30 int64 FLAGS_quic_time_wait_list_seconds = 5;
  31
  32 // Currently, this number is quite conservative.  The max QPS limit for an
  33 // individual server silo is currently set to 1000 qps, though the actual max
  34 // that we see in the wild is closer to 450 qps. Regardless, this means that the
  35 // longest time-wait list we should see is 5 seconds * 1000 qps = 5000.  If we
  36 // allow for an order of magnitude leeway, we have 50000.
  37 //
  38 // Maximum number of connections on the time-wait list. A negative value implies
  39 // no configured limit.
  40 int64 FLAGS_quic_time_wait_list_max_connections = 50000;
  41
  42 // Enables server-side support for QUIC stateless rejects.
  43 bool FLAGS_enable_quic_stateless_reject_support = false;
  44
  45 // If true, stop processing quic data as soon as the connection is closed rather
  46 // than processing a full packet.
  47 bool FLAGS_quic_stop_early = true;