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Issue 1858093002: Alt-Svc 8: Change Supports SPDY list using SHP as the key. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@alt_svc_7
Patch Set: server pref changes Created 4 years, 8 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "net/quic/quic_stream_factory.h" 5 #include "net/quic/quic_stream_factory.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 #include <set> 8 #include <set>
9 #include <utility> 9 #include <utility>
10 10
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1611 UMA_HISTOGRAM_COUNTS("Net.QuicActiveSessions", active_sessions_.size()); 1611 UMA_HISTOGRAM_COUNTS("Net.QuicActiveSessions", active_sessions_.size());
1612 active_sessions_[server_id] = session; 1612 active_sessions_[server_id] = session;
1613 session_aliases_[session].insert(server_id); 1613 session_aliases_[session].insert(server_id);
1614 const IPEndPoint peer_address = session->connection()->peer_address(); 1614 const IPEndPoint peer_address = session->connection()->peer_address();
1615 DCHECK(!ContainsKey(ip_aliases_[peer_address], session)); 1615 DCHECK(!ContainsKey(ip_aliases_[peer_address], session));
1616 ip_aliases_[peer_address].insert(session); 1616 ip_aliases_[peer_address].insert(session);
1617 } 1617 }
1618 1618
1619 int64_t QuicStreamFactory::GetServerNetworkStatsSmoothedRttInMicroseconds( 1619 int64_t QuicStreamFactory::GetServerNetworkStatsSmoothedRttInMicroseconds(
1620 const QuicServerId& server_id) const { 1620 const QuicServerId& server_id) const {
1621 HostPortPair host_port_pair = server_id.host_port_pair();
1622 url::SchemeHostPort scheme_host_port("https", host_port_pair.host(),
1623 host_port_pair.port());
1621 const ServerNetworkStats* stats = 1624 const ServerNetworkStats* stats =
1622 http_server_properties_->GetServerNetworkStats( 1625 http_server_properties_->GetServerNetworkStats(scheme_host_port);
1623 server_id.host_port_pair());
1624 if (stats == nullptr) 1626 if (stats == nullptr)
1625 return 0; 1627 return 0;
1626 return stats->srtt.InMicroseconds(); 1628 return stats->srtt.InMicroseconds();
1627 } 1629 }
1628 1630
1629 bool QuicStreamFactory::WasQuicRecentlyBroken( 1631 bool QuicStreamFactory::WasQuicRecentlyBroken(
1630 const QuicServerId& server_id) const { 1632 const QuicServerId& server_id) const {
1631 const AlternativeService alternative_service(QUIC, 1633 const AlternativeService alternative_service(QUIC,
1632 server_id.host_port_pair()); 1634 server_id.host_port_pair());
1633 return http_server_properties_->WasAlternativeServiceRecentlyBroken( 1635 return http_server_properties_->WasAlternativeServiceRecentlyBroken(
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1720 return; 1722 return;
1721 1723
1722 const QuicConnectionStats& stats = session->connection()->GetStats(); 1724 const QuicConnectionStats& stats = session->connection()->GetStats();
1723 const AlternativeService alternative_service(QUIC, 1725 const AlternativeService alternative_service(QUIC,
1724 server_id.host_port_pair()); 1726 server_id.host_port_pair());
1725 if (session->IsCryptoHandshakeConfirmed()) { 1727 if (session->IsCryptoHandshakeConfirmed()) {
1726 http_server_properties_->ConfirmAlternativeService(alternative_service); 1728 http_server_properties_->ConfirmAlternativeService(alternative_service);
1727 ServerNetworkStats network_stats; 1729 ServerNetworkStats network_stats;
1728 network_stats.srtt = base::TimeDelta::FromMicroseconds(stats.srtt_us); 1730 network_stats.srtt = base::TimeDelta::FromMicroseconds(stats.srtt_us);
1729 network_stats.bandwidth_estimate = stats.estimated_bandwidth; 1731 network_stats.bandwidth_estimate = stats.estimated_bandwidth;
1730 http_server_properties_->SetServerNetworkStats(server_id.host_port_pair(), 1732 HostPortPair host_port_pair = server_id.host_port_pair();
1733 url::SchemeHostPort scheme_host_port("https", host_port_pair.host(),
1734 host_port_pair.port());
1735
1736 http_server_properties_->SetServerNetworkStats(scheme_host_port,
1731 network_stats); 1737 network_stats);
1732 return; 1738 return;
1733 } 1739 }
1734 1740
1735 UMA_HISTOGRAM_COUNTS("Net.QuicHandshakeNotConfirmedNumPacketsReceived", 1741 UMA_HISTOGRAM_COUNTS("Net.QuicHandshakeNotConfirmedNumPacketsReceived",
1736 stats.packets_received); 1742 stats.packets_received);
1737 1743
1738 if (!session_was_active) 1744 if (!session_was_active)
1739 return; 1745 return;
1740 1746
1741 // TODO(rch): In the special case where the session has received no 1747 // TODO(rch): In the special case where the session has received no
1742 // packets from the peer, we should consider blacklisting this 1748 // packets from the peer, we should consider blacklisting this
1743 // differently so that we still race TCP but we don't consider the 1749 // differently so that we still race TCP but we don't consider the
1744 // session connected until the handshake has been confirmed. 1750 // session connected until the handshake has been confirmed.
1745 HistogramBrokenAlternateProtocolLocation( 1751 HistogramBrokenAlternateProtocolLocation(
1746 BROKEN_ALTERNATE_PROTOCOL_LOCATION_QUIC_STREAM_FACTORY); 1752 BROKEN_ALTERNATE_PROTOCOL_LOCATION_QUIC_STREAM_FACTORY);
1747 1753
1748 // Since the session was active, there's no longer an 1754 // Since the session was active, there's no longer an
1749 // HttpStreamFactoryImpl::Job running which can mark it broken, unless the TCP 1755 // HttpStreamFactoryImpl::Job running which can mark it broken, unless the TCP
1750 // job also fails. So to avoid not using QUIC when we otherwise could, we mark 1756 // job also fails. So to avoid not using QUIC when we otherwise could, we mark
1751 // it as recently broken, which means that 0-RTT will be disabled but we'll 1757 // it as recently broken, which means that 0-RTT will be disabled but we'll
1752 // still race. 1758 // still race.
1753 http_server_properties_->MarkAlternativeServiceRecentlyBroken( 1759 http_server_properties_->MarkAlternativeServiceRecentlyBroken(
1754 alternative_service); 1760 alternative_service);
1755 } 1761 }
1756 1762
1757 } // namespace net 1763 } // namespace net
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