commit c73506ef5f5ac7a7863509b7f351bc835c707b57
author dschinazi <dschinazi@google.com> Fri Sep 20 13:26:46 2019 -0700
committer Copybara-Service <copybara-worker@google.com> Tue Sep 24 08:31:19 2019 -0700
tree cf16ce904830893876fae92fe21e80b11b873537
parent a8b56e407608d2ba1728696b0b8e59e2d53a9339

Introduce QUIC v49

This new version adds support for:
- client connection IDs
- latest QUIC invariants (length-prefixed connection IDs)
- long header lengths

gfe-relnote: add QUIC v49, protected by quic_enable_v49
PiperOrigin-RevId: 270337654
Change-Id: I563251f8ad170e38b356a9964cd92d89b9df47c8

quic/core/quic_version_manager.cc

diff --git a/quic/core/quic_version_manager.cc b/quic/core/quic_version_manager.cc
index 6fd36b2..849dfc5 100644
--- a/quic/core/quic_version_manager.cc
+++ b/quic/core/quic_version_manager.cc
@@ -5,6 +5,7 @@
 #include "net/third_party/quiche/src/quic/core/quic_version_manager.h"
 
 #include "net/third_party/quiche/src/quic/core/quic_versions.h"
+#include "net/third_party/quiche/src/quic/platform/api/quic_arraysize.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_flag_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_flags.h"
 
@@ -15,11 +16,14 @@
 QuicVersionManager::QuicVersionManager(
     ParsedQuicVersionVector supported_versions)
     : enable_version_99_(GetQuicReloadableFlag(quic_enable_version_99)),
+      enable_version_49_(GetQuicReloadableFlag(quic_enable_version_49)),
       enable_version_48_(GetQuicReloadableFlag(quic_enable_version_48_2)),
       enable_version_47_(GetQuicReloadableFlag(quic_enable_version_47)),
       disable_version_39_(GetQuicReloadableFlag(quic_disable_version_39)),
       enable_tls_(GetQuicReloadableFlag(quic_supports_tls_handshake)),
       allowed_supported_versions_(std::move(supported_versions)) {
+  static_assert(QUIC_ARRAYSIZE(kSupportedTransportVersions) == 7u,
+                "Supported versions out of sync");
   RefilterSupportedVersions();
 }
 
@@ -37,12 +41,16 @@
 }
 
 void QuicVersionManager::MaybeRefilterSupportedVersions() {
+  static_assert(QUIC_ARRAYSIZE(kSupportedTransportVersions) == 7u,
+                "Supported versions out of sync");
   if (enable_version_99_ != GetQuicReloadableFlag(quic_enable_version_99) ||
+      enable_version_49_ != GetQuicReloadableFlag(quic_enable_version_49) ||
       enable_version_48_ != GetQuicReloadableFlag(quic_enable_version_48_2) ||
       enable_version_47_ != GetQuicReloadableFlag(quic_enable_version_47) ||
       disable_version_39_ != GetQuicReloadableFlag(quic_disable_version_39) ||
       enable_tls_ != GetQuicReloadableFlag(quic_supports_tls_handshake)) {
     enable_version_99_ = GetQuicReloadableFlag(quic_enable_version_99);
+    enable_version_49_ = GetQuicReloadableFlag(quic_enable_version_49);
     enable_version_48_ = GetQuicReloadableFlag(quic_enable_version_48_2);
     enable_version_47_ = GetQuicReloadableFlag(quic_enable_version_47);
     disable_version_39_ = GetQuicReloadableFlag(quic_disable_version_39);