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// Copyright (c) 2019 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/qbone/qbone_server_session.h"
#include <utility>
#include "absl/strings/string_view.h"
#include "net/third_party/quiche/src/quic/core/quic_connection_id.h"
#include "net/third_party/quiche/src/quic/core/quic_types.h"
#include "net/third_party/quiche/src/quic/core/quic_utils.h"
#include "net/third_party/quiche/src/quic/qbone/qbone_constants.h"
namespace quic {
bool QboneCryptoServerStreamHelper::CanAcceptClientHello(
const CryptoHandshakeMessage& chlo,
const QuicSocketAddress& client_address,
const QuicSocketAddress& peer_address,
const QuicSocketAddress& self_address,
std::string* error_details) const {
absl::string_view alpn;
chlo.GetStringPiece(quic::kALPN, &alpn);
if (alpn != QboneConstants::kQboneAlpn) {
*error_details = "ALPN-indicated protocol is not qbone";
return false;
}
return true;
}
QboneServerSession::QboneServerSession(
const quic::ParsedQuicVersionVector& supported_versions,
QuicConnection* connection,
Visitor* owner,
const QuicConfig& config,
const QuicCryptoServerConfig* quic_crypto_server_config,
QuicCompressedCertsCache* compressed_certs_cache,
QbonePacketWriter* writer,
QuicIpAddress self_ip,
QuicIpAddress client_ip,
size_t client_ip_subnet_length,
QboneServerControlStream::Handler* handler)
: QboneSessionBase(connection, owner, config, supported_versions, writer),
processor_(self_ip, client_ip, client_ip_subnet_length, this, this),
quic_crypto_server_config_(quic_crypto_server_config),
compressed_certs_cache_(compressed_certs_cache),
handler_(handler) {}
QboneServerSession::~QboneServerSession() {}
std::unique_ptr<QuicCryptoStream> QboneServerSession::CreateCryptoStream() {
return CreateCryptoServerStream(quic_crypto_server_config_,
compressed_certs_cache_, this,
&stream_helper_);
}
void QboneServerSession::Initialize() {
QboneSessionBase::Initialize();
// Register the reserved control stream.
auto control_stream =
std::make_unique<QboneServerControlStream>(this, handler_);
control_stream_ = control_stream.get();
ActivateStream(std::move(control_stream));
}
bool QboneServerSession::SendClientRequest(const QboneClientRequest& request) {
if (!control_stream_) {
QUIC_BUG << "Cannot send client request before control stream is created.";
return false;
}
return control_stream_->SendRequest(request);
}
void QboneServerSession::ProcessPacketFromNetwork(absl::string_view packet) {
std::string buffer = std::string(packet);
processor_.ProcessPacket(&buffer,
QbonePacketProcessor::Direction::FROM_NETWORK);
}
void QboneServerSession::ProcessPacketFromPeer(absl::string_view packet) {
std::string buffer = std::string(packet);
processor_.ProcessPacket(&buffer,
QbonePacketProcessor::Direction::FROM_OFF_NETWORK);
}
void QboneServerSession::SendPacketToClient(absl::string_view packet) {
SendPacketToPeer(packet);
}
void QboneServerSession::SendPacketToNetwork(absl::string_view packet) {
DCHECK(writer_ != nullptr);
writer_->WritePacketToNetwork(packet.data(), packet.size());
}
} // namespace quic
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