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 QuicContext()35QuicContext::QuicContext() 36 : QuicContext(std::make_unique<QuicChromiumConnectionHelper>( 37 quic::QuicChromiumClock::GetInstance(), 38 quic::QuicRandom::GetInstance())) {} 39 QuicContext(std::unique_ptr<quic::QuicConnectionHelperInterface> helper)40QuicContext::QuicContext( 41 std::unique_ptr<quic::QuicConnectionHelperInterface> helper) 42 : helper_(std::move(helper)) {} 43 44 QuicContext::~QuicContext() = default; 45 InitializeQuicConfig(const QuicParams & params)46quic::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 ConfigureQuicCryptoClientConfig(quic::QuicCryptoClientConfig & crypto_config)69void 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 79