net/quic/quic_context.cc

   1 // Copyright 2019 The Chromium Authors
   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_context.h"
   6
   7 #include "base/containers/contains.h"
   8 #include "net/quic/platform/impl/quic_chromium_clock.h"
   9 #include "net/quic/quic_chromium_connection_helper.h"
  10 #include "net/ssl/cert_compression.h"
  11 #include "net/ssl/ssl_key_logger.h"
  12 #include "net/third_party/quiche/src/quiche/quic/core/crypto/crypto_protocol.h"
  13 #include "net/third_party/quiche/src/quiche/quic/core/crypto/quic_random.h"
  14 #include "net/third_party/quiche/src/quiche/quic/core/quic_constants.h"
  15
  16 namespace net {
  17
  18 namespace {
  19
  20 // The maximum receive window sizes for QUIC sessions and streams.
  21 const int32_t kQuicSessionMaxRecvWindowSize = 15 * 1024 * 1024;  // 15 MB
  22 const int32_t kQuicStreamMaxRecvWindowSize = 6 * 1024 * 1024;    // 6 MB
  23
  24 // Set the maximum number of undecryptable packets the connection will store.
  25 const int32_t kMaxUndecryptablePackets = 100;
  26
  27 }  // namespace
  28
  29 QuicParams::QuicParams() = default;
  30
  31 QuicParams::QuicParams(const QuicParams& other) = default;
  32
  33 QuicParams::~QuicParams() = default;
  34
  35 QuicContext::QuicContext()
  36     : QuicContext(std::make_unique<QuicChromiumConnectionHelper>(
  37           quic::QuicChromiumClock::GetInstance(),
  38           quic::QuicRandom::GetInstance())) {}
  39
  40 QuicContext::QuicContext(
  41     std::unique_ptr<quic::QuicConnectionHelperInterface> helper)
  42     : helper_(std::move(helper)) {}
  43
  44 QuicContext::~QuicContext() = default;
  45
  46 quic::QuicConfig InitializeQuicConfig(const QuicParams& params) {
  47   DCHECK_GT(params.idle_connection_timeout, base::TimeDelta());
  48   quic::QuicConfig config;
  49   config.SetIdleNetworkTimeout(
  50       quic::QuicTime::Delta::FromMicroseconds(
  51           params.idle_connection_timeout.InMicroseconds()));
  52   config.set_max_time_before_crypto_handshake(
  53       quic::QuicTime::Delta::FromMicroseconds(
  54           params.max_time_before_crypto_handshake.InMicroseconds()));
  55   config.set_max_idle_time_before_crypto_handshake(
  56       quic::QuicTime::Delta::FromMicroseconds(
  57           params.max_idle_time_before_crypto_handshake.InMicroseconds()));
  58   quic::QuicTagVector copt_to_send = params.connection_options;
  59   config.SetConnectionOptionsToSend(copt_to_send);
  60   config.SetClientConnectionOptions(params.client_connection_options);
  61   config.set_max_undecryptable_packets(kMaxUndecryptablePackets);
  62   config.SetInitialSessionFlowControlWindowToSend(
  63       kQuicSessionMaxRecvWindowSize);
  64   config.SetInitialStreamFlowControlWindowToSend(kQuicStreamMaxRecvWindowSize);
  65   config.SetBytesForConnectionIdToSend(0);
  66   return config;
  67 }
  68
  69 void ConfigureQuicCryptoClientConfig(
  70     quic::QuicCryptoClientConfig& crypto_config) {
  71   if (SSLKeyLoggerManager::IsActive()) {
  72     SSL_CTX_set_keylog_callback(crypto_config.ssl_ctx(),
  73                                 SSLKeyLoggerManager::KeyLogCallback);
  74   }
  75   ConfigureCertificateCompression(crypto_config.ssl_ctx());
  76 }
  77
  78 }  // namespace net