| // Copyright (c) 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #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_flag_utils.h" |
| #include "net/third_party/quiche/src/quic/platform/api/quic_flags.h" |
| |
| #include <algorithm> |
| |
| namespace quic { |
| |
| QuicVersionManager::QuicVersionManager( |
| ParsedQuicVersionVector supported_versions) |
| : enable_version_99_(GetQuicReloadableFlag(quic_enable_version_99)), |
| enable_version_47_(GetQuicReloadableFlag(quic_enable_version_47)), |
| enable_version_46_(GetQuicReloadableFlag(quic_enable_version_46)), |
| enable_version_44_(GetQuicReloadableFlag(quic_enable_version_44)), |
| enable_version_43_(GetQuicReloadableFlag(quic_enable_version_43)), |
| disable_version_39_(GetQuicReloadableFlag(quic_disable_version_39)), |
| allowed_supported_versions_(std::move(supported_versions)) { |
| RefilterSupportedVersions(); |
| } |
| |
| QuicVersionManager::~QuicVersionManager() {} |
| |
| const QuicTransportVersionVector& |
| QuicVersionManager::GetSupportedTransportVersions() { |
| MaybeRefilterSupportedVersions(); |
| return filtered_transport_versions_; |
| } |
| |
| const ParsedQuicVersionVector& QuicVersionManager::GetSupportedVersions() { |
| MaybeRefilterSupportedVersions(); |
| return filtered_supported_versions_; |
| } |
| |
| void QuicVersionManager::MaybeRefilterSupportedVersions() { |
| if (enable_version_99_ != GetQuicReloadableFlag(quic_enable_version_99) || |
| enable_version_47_ != GetQuicReloadableFlag(quic_enable_version_47) || |
| enable_version_46_ != GetQuicReloadableFlag(quic_enable_version_46) || |
| enable_version_44_ != GetQuicReloadableFlag(quic_enable_version_44) || |
| enable_version_43_ != GetQuicReloadableFlag(quic_enable_version_43) || |
| disable_version_39_ != GetQuicReloadableFlag(quic_disable_version_39)) { |
| enable_version_99_ = GetQuicReloadableFlag(quic_enable_version_99); |
| enable_version_47_ = GetQuicReloadableFlag(quic_enable_version_47); |
| enable_version_46_ = GetQuicReloadableFlag(quic_enable_version_46); |
| enable_version_44_ = GetQuicReloadableFlag(quic_enable_version_44); |
| enable_version_43_ = GetQuicReloadableFlag(quic_enable_version_43); |
| disable_version_39_ = GetQuicReloadableFlag(quic_disable_version_39); |
| RefilterSupportedVersions(); |
| } |
| } |
| |
| void QuicVersionManager::RefilterSupportedVersions() { |
| filtered_supported_versions_ = |
| FilterSupportedVersions(allowed_supported_versions_); |
| filtered_transport_versions_.clear(); |
| for (ParsedQuicVersion version : filtered_supported_versions_) { |
| auto transport_version = version.transport_version; |
| if (std::find(filtered_transport_versions_.begin(), |
| filtered_transport_versions_.end(), |
| transport_version) == filtered_transport_versions_.end()) { |
| filtered_transport_versions_.push_back(transport_version); |
| } |
| } |
| } |
| |
| } // namespace quic |