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// Copyright (c) 2020 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.
#ifndef QUICHE_QUIC_TEST_TOOLS_FIRST_FLIGHT_H_
#define QUICHE_QUIC_TEST_TOOLS_FIRST_FLIGHT_H_
#include <memory>
#include <vector>
#include "quiche/quic/core/crypto/quic_crypto_client_config.h"
#include "quiche/quic/core/quic_config.h"
#include "quiche/quic/core/quic_connection_id.h"
#include "quiche/quic/core/quic_packet_writer.h"
#include "quiche/quic/core/quic_packets.h"
#include "quiche/quic/core/quic_versions.h"
#include "quiche/quic/platform/api/quic_ip_address.h"
#include "quiche/quic/platform/api/quic_socket_address.h"
namespace quic {
namespace test {
// Implementation of QuicPacketWriter that sends all packets to a delegate.
class QUIC_NO_EXPORT DelegatedPacketWriter : public QuicPacketWriter {
public:
class QUIC_NO_EXPORT Delegate {
public:
virtual ~Delegate() {}
// Note that |buffer| may be released after this call completes so overrides
// that want to use the data after the call is complete MUST copy it.
virtual void OnDelegatedPacket(const char* buffer, size_t buf_len,
const QuicIpAddress& self_client_address,
const QuicSocketAddress& peer_client_address,
PerPacketOptions* options) = 0;
};
// |delegate| MUST be valid for the duration of the DelegatedPacketWriter's
// lifetime.
explicit DelegatedPacketWriter(Delegate* delegate) : delegate_(delegate) {
QUICHE_CHECK_NE(delegate_, nullptr);
}
// Overrides for QuicPacketWriter.
bool IsWriteBlocked() const override { return false; }
void SetWritable() override {}
absl::optional<int> MessageTooBigErrorCode() const override {
return absl::nullopt;
}
QuicByteCount GetMaxPacketSize(
const QuicSocketAddress& /*peer_address*/) const override {
return kMaxOutgoingPacketSize;
}
bool SupportsReleaseTime() const override { return false; }
bool IsBatchMode() const override { return false; }
QuicPacketBuffer GetNextWriteLocation(
const QuicIpAddress& /*self_address*/,
const QuicSocketAddress& /*peer_address*/) override {
return {nullptr, nullptr};
}
WriteResult Flush() override { return WriteResult(WRITE_STATUS_OK, 0); }
WriteResult WritePacket(const char* buffer, size_t buf_len,
const QuicIpAddress& self_client_address,
const QuicSocketAddress& peer_client_address,
PerPacketOptions* options) override {
delegate_->OnDelegatedPacket(buffer, buf_len, self_client_address,
peer_client_address, options);
return WriteResult(WRITE_STATUS_OK, buf_len);
}
private:
Delegate* delegate_; // Unowned.
};
// Returns an array of packets that represent the first flight of a real
// HTTP/3 connection. In most cases, this array will only contain one packet
// that carries the CHLO.
std::vector<std::unique_ptr<QuicReceivedPacket>> GetFirstFlightOfPackets(
const ParsedQuicVersion& version, const QuicConfig& config,
const QuicConnectionId& server_connection_id,
const QuicConnectionId& client_connection_id,
std::unique_ptr<QuicCryptoClientConfig> crypto_config);
// Below are various convenience overloads that use default values for the
// omitted parameters:
// |config| = DefaultQuicConfig(),
// |server_connection_id| = TestConnectionId(),
// |client_connection_id| = EmptyQuicConnectionId().
// |crypto_config| =
// QuicCryptoClientConfig(crypto_test_utils::ProofVerifierForTesting())
std::vector<std::unique_ptr<QuicReceivedPacket>> GetFirstFlightOfPackets(
const ParsedQuicVersion& version, const QuicConfig& config,
const QuicConnectionId& server_connection_id,
const QuicConnectionId& client_connection_id);
std::vector<std::unique_ptr<QuicReceivedPacket>> GetFirstFlightOfPackets(
const ParsedQuicVersion& version, const QuicConfig& config,
const QuicConnectionId& server_connection_id);
std::vector<std::unique_ptr<QuicReceivedPacket>> GetFirstFlightOfPackets(
const ParsedQuicVersion& version,
const QuicConnectionId& server_connection_id,
const QuicConnectionId& client_connection_id);
std::vector<std::unique_ptr<QuicReceivedPacket>> GetFirstFlightOfPackets(
const ParsedQuicVersion& version,
const QuicConnectionId& server_connection_id);
std::vector<std::unique_ptr<QuicReceivedPacket>> GetFirstFlightOfPackets(
const ParsedQuicVersion& version, const QuicConfig& config);
std::vector<std::unique_ptr<QuicReceivedPacket>> GetFirstFlightOfPackets(
const ParsedQuicVersion& version);
} // namespace test
} // namespace quic
#endif // QUICHE_QUIC_TEST_TOOLS_FIRST_FLIGHT_H_
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