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// Copyright (c) 2012 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.
// Common utilities for Quic tests
#ifndef QUICHE_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_
#define QUICHE_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_
#include <cstdint>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "absl/strings/str_cat.h"
#include "absl/strings/string_view.h"
#include "quic/core/congestion_control/loss_detection_interface.h"
#include "quic/core/congestion_control/send_algorithm_interface.h"
#include "quic/core/crypto/transport_parameters.h"
#include "quic/core/http/quic_client_push_promise_index.h"
#include "quic/core/http/quic_server_session_base.h"
#include "quic/core/http/quic_spdy_session.h"
#include "quic/core/quic_connection.h"
#include "quic/core/quic_connection_id.h"
#include "quic/core/quic_framer.h"
#include "quic/core/quic_packet_writer.h"
#include "quic/core/quic_path_validator.h"
#include "quic/core/quic_sent_packet_manager.h"
#include "quic/core/quic_server_id.h"
#include "quic/core/quic_simple_buffer_allocator.h"
#include "quic/core/quic_types.h"
#include "quic/core/quic_utils.h"
#include "quic/platform/api/quic_mem_slice_storage.h"
#include "quic/platform/api/quic_test.h"
#include "quic/test_tools/mock_clock.h"
#include "quic/test_tools/mock_quic_session_visitor.h"
#include "quic/test_tools/mock_random.h"
#include "quic/test_tools/quic_framer_peer.h"
#include "quic/test_tools/simple_quic_framer.h"
namespace quic {
namespace test {
// A generic predictable connection ID suited for testing.
QuicConnectionId TestConnectionId();
// A generic predictable connection ID suited for testing, generated from a
// given number, such as an index.
QuicConnectionId TestConnectionId(uint64_t connection_number);
// A generic predictable connection ID suited for testing, generated from a
// given number, such as an index. Guaranteed to be 9 bytes long.
QuicConnectionId TestConnectionIdNineBytesLong(uint64_t connection_number);
// Extracts the connection number passed to TestConnectionId().
uint64_t TestConnectionIdToUInt64(QuicConnectionId connection_id);
enum : uint16_t { kTestPort = 12345 };
enum : uint32_t {
kMaxDatagramFrameSizeForTest = 1333,
kMaxPacketSizeForTest = 9001,
kInitialStreamFlowControlWindowForTest = 1024 * 1024, // 1 MB
kInitialSessionFlowControlWindowForTest = 1536 * 1024, // 1.5 MB
};
enum : uint64_t {
kAckDelayExponentForTest = 10,
kMaxAckDelayForTest = 51, // ms
kActiveConnectionIdLimitForTest = 52,
kMinAckDelayUsForTest = 1000
};
// Create an arbitrary stateless reset token, same across multiple calls.
std::vector<uint8_t> CreateStatelessResetTokenForTest();
// A hostname useful for testing, returns "test.example.org".
std::string TestHostname();
// A server ID useful for testing, returns test.example.org:12345.
QuicServerId TestServerId();
// Returns the test peer IP address.
QuicIpAddress TestPeerIPAddress();
// Upper limit on versions we support.
ParsedQuicVersion QuicVersionMax();
// Lower limit on versions we support.
ParsedQuicVersion QuicVersionMin();
// Disables all flags that enable QUIC versions that use TLS.
// This is only meant as a temporary measure to prevent some broken tests
// from running with TLS.
void DisableQuicVersionsWithTls();
// Create an encrypted packet for testing.
// If versions == nullptr, uses &AllSupportedVersions().
// Note that the packet is encrypted with NullEncrypter, so to decrypt the
// constructed packet, the framer must be set to use NullDecrypter.
QuicEncryptedPacket* ConstructEncryptedPacket(
QuicConnectionId destination_connection_id,
QuicConnectionId source_connection_id,
bool version_flag,
bool reset_flag,
uint64_t packet_number,
const std::string& data,
bool full_padding,
QuicConnectionIdIncluded destination_connection_id_included,
QuicConnectionIdIncluded source_connection_id_included,
QuicPacketNumberLength packet_number_length,
ParsedQuicVersionVector* versions,
Perspective perspective);
QuicEncryptedPacket* ConstructEncryptedPacket(
QuicConnectionId destination_connection_id,
QuicConnectionId source_connection_id,
bool version_flag,
bool reset_flag,
uint64_t packet_number,
const std::string& data,
bool full_padding,
QuicConnectionIdIncluded destination_connection_id_included,
QuicConnectionIdIncluded source_connection_id_included,
QuicPacketNumberLength packet_number_length,
ParsedQuicVersionVector* versions);
// Create an encrypted packet for testing.
// If versions == nullptr, uses &AllSupportedVersions().
// Note that the packet is encrypted with NullEncrypter, so to decrypt the
// constructed packet, the framer must be set to use NullDecrypter.
QuicEncryptedPacket* ConstructEncryptedPacket(
QuicConnectionId destination_connection_id,
QuicConnectionId source_connection_id,
bool version_flag,
bool reset_flag,
uint64_t packet_number,
const std::string& data,
QuicConnectionIdIncluded destination_connection_id_included,
QuicConnectionIdIncluded source_connection_id_included,
QuicPacketNumberLength packet_number_length,
ParsedQuicVersionVector* versions);
// This form assumes |versions| == nullptr.
QuicEncryptedPacket* ConstructEncryptedPacket(
QuicConnectionId destination_connection_id,
QuicConnectionId source_connection_id,
bool version_flag,
bool reset_flag,
uint64_t packet_number,
const std::string& data,
QuicConnectionIdIncluded destination_connection_id_included,
QuicConnectionIdIncluded source_connection_id_included,
QuicPacketNumberLength packet_number_length);
// This form assumes |connection_id_length| == PACKET_8BYTE_CONNECTION_ID,
// |packet_number_length| == PACKET_4BYTE_PACKET_NUMBER and
// |versions| == nullptr.
QuicEncryptedPacket* ConstructEncryptedPacket(
QuicConnectionId destination_connection_id,
QuicConnectionId source_connection_id,
bool version_flag,
bool reset_flag,
uint64_t packet_number,
const std::string& data);
// Creates a client-to-server ZERO-RTT packet that will fail to decrypt.
std::unique_ptr<QuicEncryptedPacket> GetUndecryptableEarlyPacket(
const ParsedQuicVersion& version,
const QuicConnectionId& server_connection_id);
// Constructs a received packet for testing. The caller must take ownership
// of the returned pointer.
QuicReceivedPacket* ConstructReceivedPacket(
const QuicEncryptedPacket& encrypted_packet,
QuicTime receipt_time);
// Create an encrypted packet for testing whose data portion erroneous.
// The specific way the data portion is erroneous is not specified, but
// it is an error that QuicFramer detects.
// Note that the packet is encrypted with NullEncrypter, so to decrypt the
// constructed packet, the framer must be set to use NullDecrypter.
QuicEncryptedPacket* ConstructMisFramedEncryptedPacket(
QuicConnectionId destination_connection_id,
QuicConnectionId source_connection_id,
bool version_flag,
bool reset_flag,
uint64_t packet_number,
const std::string& data,
QuicConnectionIdIncluded destination_connection_id_included,
QuicConnectionIdIncluded source_connection_id_included,
QuicPacketNumberLength packet_number_length,
ParsedQuicVersion version,
Perspective perspective);
// Returns QuicConfig set to default values.
QuicConfig DefaultQuicConfig();
ParsedQuicVersionVector SupportedVersions(ParsedQuicVersion version);
struct QuicAckBlock {
QuicPacketNumber start; // Included
QuicPacketNumber limit; // Excluded
};
// Testing convenience method to construct a QuicAckFrame with arbitrary ack
// blocks. Each block is given by a (closed-open) range of packet numbers. e.g.:
// InitAckFrame({{1, 10}})
// => 1 ack block acking packet numbers 1 to 9.
//
// InitAckFrame({{1, 2}, {3, 4}})
// => 2 ack blocks acking packet 1 and 3. Packet 2 is missing.
QuicAckFrame InitAckFrame(const std::vector<QuicAckBlock>& ack_blocks);
// Testing convenience method to construct a QuicAckFrame with 1 ack block which
// covers packet number range [1, |largest_acked| + 1).
// Equivalent to InitAckFrame({{1, largest_acked + 1}})
QuicAckFrame InitAckFrame(uint64_t largest_acked);
QuicAckFrame InitAckFrame(QuicPacketNumber largest_acked);
// Testing convenience method to construct a QuicAckFrame with |num_ack_blocks|
// ack blocks of width 1 packet, starting from |least_unacked| + 2.
QuicAckFrame MakeAckFrameWithAckBlocks(size_t num_ack_blocks,
uint64_t least_unacked);
// Testing convenice method to construct a QuicAckFrame with |largest_acked|,
// ack blocks of width 1 packet and |gap_size|.
QuicAckFrame MakeAckFrameWithGaps(uint64_t gap_size,
size_t max_num_gaps,
uint64_t largest_acked);
// Returns the encryption level that corresponds to the header type in
// |header|. If the header is for GOOGLE_QUIC_PACKET instead of an
// IETF-invariants packet, this function returns ENCRYPTION_INITIAL.
EncryptionLevel HeaderToEncryptionLevel(const QuicPacketHeader& header);
// Returns a QuicPacket that is owned by the caller, and
// is populated with the fields in |header| and |frames|, or is nullptr if the
// packet could not be created.
std::unique_ptr<QuicPacket> BuildUnsizedDataPacket(
QuicFramer* framer,
const QuicPacketHeader& header,
const QuicFrames& frames);
// Returns a QuicPacket that is owned by the caller, and of size |packet_size|.
std::unique_ptr<QuicPacket> BuildUnsizedDataPacket(
QuicFramer* framer,
const QuicPacketHeader& header,
const QuicFrames& frames,
size_t packet_size);
// Compute SHA-1 hash of the supplied std::string.
std::string Sha1Hash(absl::string_view data);
// Delete |frame| and return true.
bool ClearControlFrame(const QuicFrame& frame);
bool ClearControlFrameWithTransmissionType(const QuicFrame& frame,
TransmissionType type);
// Simple random number generator used to compute random numbers suitable
// for pseudo-randomly dropping packets in tests.
class SimpleRandom : public QuicRandom {
public:
SimpleRandom() { set_seed(0); }
SimpleRandom(const SimpleRandom&) = delete;
SimpleRandom& operator=(const SimpleRandom&) = delete;
~SimpleRandom() override {}
// Returns a random number in the range [0, kuint64max].
uint64_t RandUint64() override;
void RandBytes(void* data, size_t len) override;
void set_seed(uint64_t seed);
private:
uint8_t buffer_[4096];
size_t buffer_offset_;
uint8_t key_[32];
void FillBuffer();
};
class MockFramerVisitor : public QuicFramerVisitorInterface {
public:
MockFramerVisitor();
MockFramerVisitor(const MockFramerVisitor&) = delete;
MockFramerVisitor& operator=(const MockFramerVisitor&) = delete;
~MockFramerVisitor() override;
MOCK_METHOD(void, OnError, (QuicFramer*), (override));
// The constructor sets this up to return false by default.
MOCK_METHOD(bool,
OnProtocolVersionMismatch,
(ParsedQuicVersion version),
(override));
MOCK_METHOD(void, OnPacket, (), (override));
MOCK_METHOD(void,
OnPublicResetPacket,
(const QuicPublicResetPacket& header),
(override));
MOCK_METHOD(void,
OnVersionNegotiationPacket,
(const QuicVersionNegotiationPacket& packet),
(override));
MOCK_METHOD(void,
OnRetryPacket,
(QuicConnectionId original_connection_id,
QuicConnectionId new_connection_id,
absl::string_view retry_token,
absl::string_view retry_integrity_tag,
absl::string_view retry_without_tag),
(override));
// The constructor sets this up to return true by default.
MOCK_METHOD(bool,
OnUnauthenticatedHeader,
(const QuicPacketHeader& header),
(override));
// The constructor sets this up to return true by default.
MOCK_METHOD(bool,
OnUnauthenticatedPublicHeader,
(const QuicPacketHeader& header),
(override));
MOCK_METHOD(void,
OnDecryptedPacket,
(size_t length, EncryptionLevel level),
(override));
MOCK_METHOD(bool,
OnPacketHeader,
(const QuicPacketHeader& header),
(override));
MOCK_METHOD(void,
OnCoalescedPacket,
(const QuicEncryptedPacket& packet),
(override));
MOCK_METHOD(void,
OnUndecryptablePacket,
(const QuicEncryptedPacket& packet,
EncryptionLevel decryption_level,
bool has_decryption_key),
(override));
MOCK_METHOD(bool, OnStreamFrame, (const QuicStreamFrame& frame), (override));
MOCK_METHOD(bool, OnCryptoFrame, (const QuicCryptoFrame& frame), (override));
MOCK_METHOD(bool,
OnAckFrameStart,
(QuicPacketNumber, QuicTime::Delta),
(override));
MOCK_METHOD(bool,
OnAckRange,
(QuicPacketNumber, QuicPacketNumber),
(override));
MOCK_METHOD(bool, OnAckTimestamp, (QuicPacketNumber, QuicTime), (override));
MOCK_METHOD(bool, OnAckFrameEnd, (QuicPacketNumber), (override));
MOCK_METHOD(bool,
OnStopWaitingFrame,
(const QuicStopWaitingFrame& frame),
(override));
MOCK_METHOD(bool,
OnPaddingFrame,
(const QuicPaddingFrame& frame),
(override));
MOCK_METHOD(bool, OnPingFrame, (const QuicPingFrame& frame), (override));
MOCK_METHOD(bool,
OnRstStreamFrame,
(const QuicRstStreamFrame& frame),
(override));
MOCK_METHOD(bool,
OnConnectionCloseFrame,
(const QuicConnectionCloseFrame& frame),
(override));
MOCK_METHOD(bool,
OnNewConnectionIdFrame,
(const QuicNewConnectionIdFrame& frame),
(override));
MOCK_METHOD(bool,
OnRetireConnectionIdFrame,
(const QuicRetireConnectionIdFrame& frame),
(override));
MOCK_METHOD(bool,
OnNewTokenFrame,
(const QuicNewTokenFrame& frame),
(override));
MOCK_METHOD(bool,
OnStopSendingFrame,
(const QuicStopSendingFrame& frame),
(override));
MOCK_METHOD(bool,
OnPathChallengeFrame,
(const QuicPathChallengeFrame& frame),
(override));
MOCK_METHOD(bool,
OnPathResponseFrame,
(const QuicPathResponseFrame& frame),
(override));
MOCK_METHOD(bool, OnGoAwayFrame, (const QuicGoAwayFrame& frame), (override));
MOCK_METHOD(bool,
OnMaxStreamsFrame,
(const QuicMaxStreamsFrame& frame),
(override));
MOCK_METHOD(bool,
OnStreamsBlockedFrame,
(const QuicStreamsBlockedFrame& frame),
(override));
MOCK_METHOD(bool,
OnWindowUpdateFrame,
(const QuicWindowUpdateFrame& frame),
(override));
MOCK_METHOD(bool,
OnBlockedFrame,
(const QuicBlockedFrame& frame),
(override));
MOCK_METHOD(bool,
OnMessageFrame,
(const QuicMessageFrame& frame),
(override));
MOCK_METHOD(bool,
OnHandshakeDoneFrame,
(const QuicHandshakeDoneFrame& frame),
(override));
MOCK_METHOD(bool,
OnAckFrequencyFrame,
(const QuicAckFrequencyFrame& frame),
(override));
MOCK_METHOD(void, OnPacketComplete, (), (override));
MOCK_METHOD(bool,
IsValidStatelessResetToken,
(QuicUint128),
(const, override));
MOCK_METHOD(void,
OnAuthenticatedIetfStatelessResetPacket,
(const QuicIetfStatelessResetPacket&),
(override));
MOCK_METHOD(void, OnKeyUpdate, (KeyUpdateReason), (override));
MOCK_METHOD(void, OnDecryptedFirstPacketInKeyPhase, (), (override));
MOCK_METHOD(std::unique_ptr<QuicDecrypter>,
AdvanceKeysAndCreateCurrentOneRttDecrypter,
(),
(override));
MOCK_METHOD(std::unique_ptr<QuicEncrypter>,
CreateCurrentOneRttEncrypter,
(),
(override));
};
class NoOpFramerVisitor : public QuicFramerVisitorInterface {
public:
NoOpFramerVisitor() {}
NoOpFramerVisitor(const NoOpFramerVisitor&) = delete;
NoOpFramerVisitor& operator=(const NoOpFramerVisitor&) = delete;
void OnError(QuicFramer* /*framer*/) override {}
void OnPacket() override {}
void OnPublicResetPacket(const QuicPublicResetPacket& /*packet*/) override {}
void OnVersionNegotiationPacket(
const QuicVersionNegotiationPacket& /*packet*/) override {}
void OnRetryPacket(QuicConnectionId /*original_connection_id*/,
QuicConnectionId /*new_connection_id*/,
absl::string_view /*retry_token*/,
absl::string_view /*retry_integrity_tag*/,
absl::string_view /*retry_without_tag*/) override {}
bool OnProtocolVersionMismatch(ParsedQuicVersion version) override;
bool OnUnauthenticatedHeader(const QuicPacketHeader& header) override;
bool OnUnauthenticatedPublicHeader(const QuicPacketHeader& header) override;
void OnDecryptedPacket(size_t /*length*/,
EncryptionLevel /*level*/) override {}
bool OnPacketHeader(const QuicPacketHeader& header) override;
void OnCoalescedPacket(const QuicEncryptedPacket& packet) override;
void OnUndecryptablePacket(const QuicEncryptedPacket& packet,
EncryptionLevel decryption_level,
bool has_decryption_key) override;
bool OnStreamFrame(const QuicStreamFrame& frame) override;
bool OnCryptoFrame(const QuicCryptoFrame& frame) override;
bool OnAckFrameStart(QuicPacketNumber largest_acked,
QuicTime::Delta ack_delay_time) override;
bool OnAckRange(QuicPacketNumber start, QuicPacketNumber end) override;
bool OnAckTimestamp(QuicPacketNumber packet_number,
QuicTime timestamp) override;
bool OnAckFrameEnd(QuicPacketNumber start) override;
bool OnStopWaitingFrame(const QuicStopWaitingFrame& frame) override;
bool OnPaddingFrame(const QuicPaddingFrame& frame) override;
bool OnPingFrame(const QuicPingFrame& frame) override;
bool OnRstStreamFrame(const QuicRstStreamFrame& frame) override;
bool OnConnectionCloseFrame(const QuicConnectionCloseFrame& frame) override;
bool OnNewConnectionIdFrame(const QuicNewConnectionIdFrame& frame) override;
bool OnRetireConnectionIdFrame(
const QuicRetireConnectionIdFrame& frame) override;
bool OnNewTokenFrame(const QuicNewTokenFrame& frame) override;
bool OnStopSendingFrame(const QuicStopSendingFrame& frame) override;
bool OnPathChallengeFrame(const QuicPathChallengeFrame& frame) override;
bool OnPathResponseFrame(const QuicPathResponseFrame& frame) override;
bool OnGoAwayFrame(const QuicGoAwayFrame& frame) override;
bool OnMaxStreamsFrame(const QuicMaxStreamsFrame& frame) override;
bool OnStreamsBlockedFrame(const QuicStreamsBlockedFrame& frame) override;
bool OnWindowUpdateFrame(const QuicWindowUpdateFrame& frame) override;
bool OnBlockedFrame(const QuicBlockedFrame& frame) override;
bool OnMessageFrame(const QuicMessageFrame& frame) override;
bool OnHandshakeDoneFrame(const QuicHandshakeDoneFrame& frame) override;
bool OnAckFrequencyFrame(const QuicAckFrequencyFrame& frame) override;
void OnPacketComplete() override {}
bool IsValidStatelessResetToken(QuicUint128 token) const override;
void OnAuthenticatedIetfStatelessResetPacket(
const QuicIetfStatelessResetPacket& /*packet*/) override {}
void OnKeyUpdate(KeyUpdateReason /*reason*/) override {}
void OnDecryptedFirstPacketInKeyPhase() override {}
std::unique_ptr<QuicDecrypter> AdvanceKeysAndCreateCurrentOneRttDecrypter()
override {
return nullptr;
}
std::unique_ptr<QuicEncrypter> CreateCurrentOneRttEncrypter() override {
return nullptr;
}
};
class MockQuicConnectionVisitor : public QuicConnectionVisitorInterface {
public:
MockQuicConnectionVisitor();
MockQuicConnectionVisitor(const MockQuicConnectionVisitor&) = delete;
MockQuicConnectionVisitor& operator=(const MockQuicConnectionVisitor&) =
delete;
~MockQuicConnectionVisitor() override;
MOCK_METHOD(void, OnStreamFrame, (const QuicStreamFrame& frame), (override));
MOCK_METHOD(void, OnCryptoFrame, (const QuicCryptoFrame& frame), (override));
MOCK_METHOD(void,
OnWindowUpdateFrame,
(const QuicWindowUpdateFrame& frame),
(override));
MOCK_METHOD(void,
OnBlockedFrame,
(const QuicBlockedFrame& frame),
(override));
MOCK_METHOD(void, OnRstStream, (const QuicRstStreamFrame& frame), (override));
MOCK_METHOD(void, OnGoAway, (const QuicGoAwayFrame& frame), (override));
MOCK_METHOD(void, OnMessageReceived, (absl::string_view message), (override));
MOCK_METHOD(void, OnHandshakeDoneReceived, (), (override));
MOCK_METHOD(void, OnNewTokenReceived, (absl::string_view token), (override));
MOCK_METHOD(void,
OnConnectionClosed,
(const QuicConnectionCloseFrame& frame,
ConnectionCloseSource source),
(override));
MOCK_METHOD(void, OnWriteBlocked, (), (override));
MOCK_METHOD(void, OnCanWrite, (), (override));
MOCK_METHOD(bool, SendProbingData, (), (override));
MOCK_METHOD(bool,
ValidateStatelessReset,
(const quic::QuicSocketAddress&, const quic::QuicSocketAddress&),
(override));
MOCK_METHOD(void, OnCongestionWindowChange, (QuicTime now), (override));
MOCK_METHOD(void,
OnConnectionMigration,
(AddressChangeType type),
(override));
MOCK_METHOD(void, OnPathDegrading, (), (override));
MOCK_METHOD(void, OnForwardProgressMadeAfterPathDegrading, (), (override));
MOCK_METHOD(bool, WillingAndAbleToWrite, (), (const, override));
MOCK_METHOD(bool, ShouldKeepConnectionAlive, (), (const, override));
MOCK_METHOD(std::string, GetStreamsInfoForLogging, (), (const, override));
MOCK_METHOD(void,
OnSuccessfulVersionNegotiation,
(const ParsedQuicVersion& version),
(override));
MOCK_METHOD(void,
OnPacketReceived,
(const QuicSocketAddress& self_address,
const QuicSocketAddress& peer_address,
bool is_connectivity_probe),
(override));
MOCK_METHOD(void, OnAckNeedsRetransmittableFrame, (), (override));
MOCK_METHOD(void,
SendAckFrequency,
(const QuicAckFrequencyFrame& frame),
(override));
MOCK_METHOD(bool, AllowSelfAddressChange, (), (const, override));
MOCK_METHOD(HandshakeState, GetHandshakeState, (), (const, override));
MOCK_METHOD(bool,
OnMaxStreamsFrame,
(const QuicMaxStreamsFrame& frame),
(override));
MOCK_METHOD(bool,
OnStreamsBlockedFrame,
(const QuicStreamsBlockedFrame& frame),
(override));
MOCK_METHOD(void,
OnStopSendingFrame,
(const QuicStopSendingFrame& frame),
(override));
MOCK_METHOD(void, OnPacketDecrypted, (EncryptionLevel), (override));
MOCK_METHOD(void, OnOneRttPacketAcknowledged, (), (override));
MOCK_METHOD(void, OnHandshakePacketSent, (), (override));
MOCK_METHOD(void, OnKeyUpdate, (KeyUpdateReason), (override));
MOCK_METHOD(std::unique_ptr<QuicDecrypter>,
AdvanceKeysAndCreateCurrentOneRttDecrypter,
(),
(override));
MOCK_METHOD(std::unique_ptr<QuicEncrypter>,
CreateCurrentOneRttEncrypter,
(),
(override));
MOCK_METHOD(void, BeforeConnectionCloseSent, (), (override));
MOCK_METHOD(bool, ValidateToken, (absl::string_view), (const, override));
MOCK_METHOD(void, MaybeSendAddressToken, (), (override));
};
class MockQuicConnectionHelper : public QuicConnectionHelperInterface {
public:
MockQuicConnectionHelper();
MockQuicConnectionHelper(const MockQuicConnectionHelper&) = delete;
MockQuicConnectionHelper& operator=(const MockQuicConnectionHelper&) = delete;
~MockQuicConnectionHelper() override;
const QuicClock* GetClock() const override;
QuicRandom* GetRandomGenerator() override;
QuicBufferAllocator* GetStreamSendBufferAllocator() override;
void AdvanceTime(QuicTime::Delta delta);
private:
MockClock clock_;
MockRandom random_generator_;
SimpleBufferAllocator buffer_allocator_;
};
class MockAlarmFactory : public QuicAlarmFactory {
public:
QuicAlarm* CreateAlarm(QuicAlarm::Delegate* delegate) override;
QuicArenaScopedPtr<QuicAlarm> CreateAlarm(
QuicArenaScopedPtr<QuicAlarm::Delegate> delegate,
QuicConnectionArena* arena) override;
// No-op alarm implementation
class TestAlarm : public QuicAlarm {
public:
explicit TestAlarm(QuicArenaScopedPtr<QuicAlarm::Delegate> delegate)
: QuicAlarm(std::move(delegate)) {}
void SetImpl() override {}
void CancelImpl() override {}
using QuicAlarm::Fire;
};
void FireAlarm(QuicAlarm* alarm) {
reinterpret_cast<TestAlarm*>(alarm)->Fire();
}
};
class MockQuicConnection : public QuicConnection {
public:
// Uses a ConnectionId of 42 and 127.0.0.1:123.
MockQuicConnection(MockQuicConnectionHelper* helper,
MockAlarmFactory* alarm_factory,
Perspective perspective);
// Uses a ConnectionId of 42.
MockQuicConnection(QuicSocketAddress address,
MockQuicConnectionHelper* helper,
MockAlarmFactory* alarm_factory,
Perspective perspective);
// Uses 127.0.0.1:123.
MockQuicConnection(QuicConnectionId connection_id,
MockQuicConnectionHelper* helper,
MockAlarmFactory* alarm_factory,
Perspective perspective);
// Uses a ConnectionId of 42, and 127.0.0.1:123.
MockQuicConnection(MockQuicConnectionHelper* helper,
MockAlarmFactory* alarm_factory,
Perspective perspective,
const ParsedQuicVersionVector& supported_versions);
MockQuicConnection(QuicConnectionId connection_id,
QuicSocketAddress address,
MockQuicConnectionHelper* helper,
MockAlarmFactory* alarm_factory,
Perspective perspective,
const ParsedQuicVersionVector& supported_versions);
MockQuicConnection(const MockQuicConnection&) = delete;
MockQuicConnection& operator=(const MockQuicConnection&) = delete;
~MockQuicConnection() override;
// If the constructor that uses a MockQuicConnectionHelper has been used then
// this method
// will advance the time of the MockClock.
void AdvanceTime(QuicTime::Delta delta);
MOCK_METHOD(void,
ProcessUdpPacket,
(const QuicSocketAddress& self_address,
const QuicSocketAddress& peer_address,
const QuicReceivedPacket& packet),
(override));
MOCK_METHOD(void,
CloseConnection,
(QuicErrorCode error,
const std::string& details,
ConnectionCloseBehavior connection_close_behavior),
(override));
MOCK_METHOD(void,
SendConnectionClosePacket,
(QuicErrorCode error, const std::string& details),
(override));
MOCK_METHOD(void, OnCanWrite, (), (override));
MOCK_METHOD(void,
SendConnectivityProbingResponsePacket,
(const QuicSocketAddress& peer_address),
(override));
MOCK_METHOD(bool,
SendConnectivityProbingPacket,
(QuicPacketWriter*, const QuicSocketAddress& peer_address),
(override));
MOCK_METHOD(void,
OnSendConnectionState,
(const CachedNetworkParameters&),
(override));
MOCK_METHOD(void,
ResumeConnectionState,
(const CachedNetworkParameters&, bool),
(override));
MOCK_METHOD(void, SetMaxPacingRate, (QuicBandwidth), (override));
MOCK_METHOD(void,
OnStreamReset,
(QuicStreamId, QuicRstStreamErrorCode),
(override));
MOCK_METHOD(bool, SendControlFrame, (const QuicFrame& frame), (override));
MOCK_METHOD(MessageStatus,
SendMessage,
(QuicMessageId, QuicMemSliceSpan, bool),
(override));
MOCK_METHOD(bool,
SendPathChallenge,
(const QuicPathFrameBuffer&,
const QuicSocketAddress&,
const QuicSocketAddress&,
const QuicSocketAddress&,
QuicPacketWriter*),
(override));
MOCK_METHOD(void, OnError, (QuicFramer*), (override));
void QuicConnection_OnError(QuicFramer* framer) {
QuicConnection::OnError(framer);
}
void ReallyOnCanWrite() { QuicConnection::OnCanWrite(); }
void ReallyCloseConnection(
QuicErrorCode error,
const std::string& details,
ConnectionCloseBehavior connection_close_behavior) {
QuicConnection::CloseConnection(error, details, connection_close_behavior);
}
void ReallySendConnectionClosePacket(QuicErrorCode error,
const std::string& details) {
QuicConnection::SendConnectionClosePacket(error, details);
}
void ReallyProcessUdpPacket(const QuicSocketAddress& self_address,
const QuicSocketAddress& peer_address,
const QuicReceivedPacket& packet) {
QuicConnection::ProcessUdpPacket(self_address, peer_address, packet);
}
bool OnProtocolVersionMismatch(ParsedQuicVersion version) override;
bool ReallySendControlFrame(const QuicFrame& frame) {
return QuicConnection::SendControlFrame(frame);
}
bool ReallySendConnectivityProbingPacket(
QuicPacketWriter* probing_writer,
const QuicSocketAddress& peer_address) {
return QuicConnection::SendConnectivityProbingPacket(probing_writer,
peer_address);
}
void ReallySendConnectivityProbingResponsePacket(
const QuicSocketAddress& peer_address) {
QuicConnection::SendConnectivityProbingResponsePacket(peer_address);
}
bool ReallyOnPathResponseFrame(const QuicPathResponseFrame& frame) {
return QuicConnection::OnPathResponseFrame(frame);
}
MOCK_METHOD(bool,
OnPathResponseFrame,
(const QuicPathResponseFrame&),
(override));
MOCK_METHOD(bool,
OnStopSendingFrame,
(const QuicStopSendingFrame& frame),
(override));
MOCK_METHOD(size_t,
SendCryptoData,
(EncryptionLevel, size_t, QuicStreamOffset),
(override));
size_t QuicConnection_SendCryptoData(EncryptionLevel level,
size_t write_length,
QuicStreamOffset offset) {
return QuicConnection::SendCryptoData(level, write_length, offset);
}
};
class PacketSavingConnection : public MockQuicConnection {
public:
PacketSavingConnection(MockQuicConnectionHelper* helper,
MockAlarmFactory* alarm_factory,
Perspective perspective);
PacketSavingConnection(MockQuicConnectionHelper* helper,
MockAlarmFactory* alarm_factory,
Perspective perspective,
const ParsedQuicVersionVector& supported_versions);
PacketSavingConnection(const PacketSavingConnection&) = delete;
PacketSavingConnection& operator=(const PacketSavingConnection&) = delete;
~PacketSavingConnection() override;
void SendOrQueuePacket(SerializedPacket packet) override;
MOCK_METHOD(void, OnPacketSent, (EncryptionLevel, TransmissionType));
std::vector<std::unique_ptr<QuicEncryptedPacket>> encrypted_packets_;
MockClock clock_;
};
class MockQuicSession : public QuicSession {
public:
// Takes ownership of |connection|.
MockQuicSession(QuicConnection* connection, bool create_mock_crypto_stream);
// Takes ownership of |connection|.
explicit MockQuicSession(QuicConnection* connection);
MockQuicSession(const MockQuicSession&) = delete;
MockQuicSession& operator=(const MockQuicSession&) = delete;
~MockQuicSession() override;
QuicCryptoStream* GetMutableCryptoStream() override;
const QuicCryptoStream* GetCryptoStream() const override;
void SetCryptoStream(QuicCryptoStream* crypto_stream);
MOCK_METHOD(void,
OnConnectionClosed,
(const QuicConnectionCloseFrame& frame,
ConnectionCloseSource source),
(override));
MOCK_METHOD(QuicStream*, CreateIncomingStream, (QuicStreamId id), (override));
MOCK_METHOD(QuicSpdyStream*,
CreateIncomingStream,
(PendingStream*),
(override));
MOCK_METHOD(QuicConsumedData,
WritevData,
(QuicStreamId id,
size_t write_length,
QuicStreamOffset offset,
StreamSendingState state,
TransmissionType type,
absl::optional<EncryptionLevel> level),
(override));
MOCK_METHOD(bool,
WriteControlFrame,
(const QuicFrame& frame, TransmissionType type),
(override));
MOCK_METHOD(void,
SendRstStream,
(QuicStreamId stream_id,
QuicRstStreamErrorCode error,
QuicStreamOffset bytes_written,
bool send_rst_only),
(override));
MOCK_METHOD(void,
MaybeSendRstStreamFrame,
(QuicStreamId stream_id,
QuicRstStreamErrorCode error,
QuicStreamOffset bytes_written),
(override));
MOCK_METHOD(void,
MaybeSendStopSendingFrame,
(QuicStreamId stream_id, QuicRstStreamErrorCode error),
(override));
MOCK_METHOD(bool, ShouldKeepConnectionAlive, (), (const, override));
MOCK_METHOD(void,
SendStopSending,
(QuicRstStreamErrorCode code, QuicStreamId stream_id),
(override));
MOCK_METHOD(std::vector<std::string>, GetAlpnsToOffer, (), (const, override));
MOCK_METHOD(std::vector<absl::string_view>::const_iterator,
SelectAlpn,
(const std::vector<absl::string_view>&),
(const, override));
MOCK_METHOD(void, OnAlpnSelected, (absl::string_view), (override));
using QuicSession::ActivateStream;
// Returns a QuicConsumedData that indicates all of |write_length| (and |fin|
// if set) has been consumed.
QuicConsumedData ConsumeData(QuicStreamId id,
size_t write_length,
QuicStreamOffset offset,
StreamSendingState state,
TransmissionType type,
absl::optional<EncryptionLevel> level);
void ReallySendRstStream(QuicStreamId id,
QuicRstStreamErrorCode error,
QuicStreamOffset bytes_written,
bool send_rst_only) {
QuicSession::SendRstStream(id, error, bytes_written, send_rst_only);
}
void ReallyMaybeSendRstStreamFrame(QuicStreamId id,
QuicRstStreamErrorCode error,
QuicStreamOffset bytes_written) {
QuicSession::MaybeSendRstStreamFrame(id, error, bytes_written);
}
private:
std::unique_ptr<QuicCryptoStream> crypto_stream_;
};
class MockQuicCryptoStream : public QuicCryptoStream {
public:
explicit MockQuicCryptoStream(QuicSession* session);
~MockQuicCryptoStream() override;
ssl_early_data_reason_t EarlyDataReason() const override;
bool encryption_established() const override;
bool one_rtt_keys_available() const override;
const QuicCryptoNegotiatedParameters& crypto_negotiated_params()
const override;
CryptoMessageParser* crypto_message_parser() override;
void OnPacketDecrypted(EncryptionLevel /*level*/) override {}
void OnOneRttPacketAcknowledged() override {}
void OnHandshakePacketSent() override {}
void OnHandshakeDoneReceived() override {}
void OnNewTokenReceived(absl::string_view /*token*/) override {}
std::string GetAddressToken() const override { return ""; }
bool ValidateAddressToken(absl::string_view /*token*/) const override {
return true;
}
void OnConnectionClosed(QuicErrorCode /*error*/,
ConnectionCloseSource /*source*/) override {}
HandshakeState GetHandshakeState() const override { return HANDSHAKE_START; }
void SetServerApplicationStateForResumption(
std::unique_ptr<ApplicationState> /*application_state*/) override {}
bool KeyUpdateSupportedLocally() const override { return false; }
std::unique_ptr<QuicDecrypter> AdvanceKeysAndCreateCurrentOneRttDecrypter()
override {
return nullptr;
}
std::unique_ptr<QuicEncrypter> CreateCurrentOneRttEncrypter() override {
return nullptr;
}
private:
QuicReferenceCountedPointer<QuicCryptoNegotiatedParameters> params_;
CryptoFramer crypto_framer_;
};
class MockQuicSpdySession : public QuicSpdySession {
public:
// Takes ownership of |connection|.
explicit MockQuicSpdySession(QuicConnection* connection);
// Takes ownership of |connection|.
MockQuicSpdySession(QuicConnection* connection,
bool create_mock_crypto_stream);
MockQuicSpdySession(const MockQuicSpdySession&) = delete;
MockQuicSpdySession& operator=(const MockQuicSpdySession&) = delete;
~MockQuicSpdySession() override;
QuicCryptoStream* GetMutableCryptoStream() override;
const QuicCryptoStream* GetCryptoStream() const override;
void SetCryptoStream(QuicCryptoStream* crypto_stream);
void ReallyOnConnectionClosed(const QuicConnectionCloseFrame& frame,
ConnectionCloseSource source) {
QuicSession::OnConnectionClosed(frame, source);
}
// From QuicSession.
MOCK_METHOD(void,
OnConnectionClosed,
(const QuicConnectionCloseFrame& frame,
ConnectionCloseSource source),
(override));
MOCK_METHOD(QuicSpdyStream*,
CreateIncomingStream,
(QuicStreamId id),
(override));
MOCK_METHOD(QuicSpdyStream*,
CreateIncomingStream,
(PendingStream*),
(override));
MOCK_METHOD(QuicSpdyStream*,
CreateOutgoingBidirectionalStream,
(),
(override));
MOCK_METHOD(QuicSpdyStream*,
CreateOutgoingUnidirectionalStream,
(),
(override));
MOCK_METHOD(bool, ShouldCreateIncomingStream, (QuicStreamId id), (override));
MOCK_METHOD(bool, ShouldCreateOutgoingBidirectionalStream, (), (override));
MOCK_METHOD(bool, ShouldCreateOutgoingUnidirectionalStream, (), (override));
MOCK_METHOD(QuicConsumedData,
WritevData,
(QuicStreamId id,
size_t write_length,
QuicStreamOffset offset,
StreamSendingState state,
TransmissionType type,
absl::optional<EncryptionLevel> level),
(override));
MOCK_METHOD(void,
SendRstStream,
(QuicStreamId stream_id,
QuicRstStreamErrorCode error,
QuicStreamOffset bytes_written,
bool send_rst_only),
(override));
MOCK_METHOD(void,
MaybeSendRstStreamFrame,
(QuicStreamId stream_id,
QuicRstStreamErrorCode error,
QuicStreamOffset bytes_written),
(override));
MOCK_METHOD(void,
MaybeSendStopSendingFrame,
(QuicStreamId stream_id, QuicRstStreamErrorCode error),
(override));
MOCK_METHOD(void,
SendWindowUpdate,
(QuicStreamId id, QuicStreamOffset byte_offset),
(override));
MOCK_METHOD(void, SendBlocked, (QuicStreamId id), (override));
MOCK_METHOD(void,
OnStreamHeadersPriority,
(QuicStreamId stream_id,
const spdy::SpdyStreamPrecedence& precedence),
(override));
MOCK_METHOD(void,
OnStreamHeaderList,
(QuicStreamId stream_id,
bool fin,
size_t frame_len,
const QuicHeaderList& header_list),
(override));
MOCK_METHOD(void,
OnPromiseHeaderList,
(QuicStreamId stream_id,
QuicStreamId promised_stream_id,
size_t frame_len,
const QuicHeaderList& header_list),
(override));
MOCK_METHOD(void,
OnPriorityFrame,
(QuicStreamId id, const spdy::SpdyStreamPrecedence& precedence),
(override));
MOCK_METHOD(void, OnCongestionWindowChange, (QuicTime now), (override));
// Returns a QuicConsumedData that indicates all of |write_length| (and |fin|
// if set) has been consumed.
QuicConsumedData ConsumeData(QuicStreamId id,
size_t write_length,
QuicStreamOffset offset,
StreamSendingState state,
TransmissionType type,
absl::optional<EncryptionLevel> level);
using QuicSession::ActivateStream;
private:
std::unique_ptr<QuicCryptoStream> crypto_stream_;
};
class MockHttp3DebugVisitor : public Http3DebugVisitor {
public:
MOCK_METHOD(void, OnControlStreamCreated, (QuicStreamId), (override));
MOCK_METHOD(void, OnQpackEncoderStreamCreated, (QuicStreamId), (override));
MOCK_METHOD(void, OnQpackDecoderStreamCreated, (QuicStreamId), (override));
MOCK_METHOD(void, OnPeerControlStreamCreated, (QuicStreamId), (override));
MOCK_METHOD(void,
OnPeerQpackEncoderStreamCreated,
(QuicStreamId),
(override));
MOCK_METHOD(void,
OnPeerQpackDecoderStreamCreated,
(QuicStreamId),
(override));
MOCK_METHOD(void,
OnCancelPushFrameReceived,
(const CancelPushFrame&),
(override));
MOCK_METHOD(void,
OnSettingsFrameReceived,
(const SettingsFrame&),
(override));
MOCK_METHOD(void, OnGoAwayFrameReceived, (const GoAwayFrame&), (override));
MOCK_METHOD(void,
OnMaxPushIdFrameReceived,
(const MaxPushIdFrame&),
(override));
MOCK_METHOD(void,
OnPriorityUpdateFrameReceived,
(const PriorityUpdateFrame&),
(override));
MOCK_METHOD(void,
OnAcceptChFrameReceived,
(const AcceptChFrame&),
(override));
MOCK_METHOD(void,
OnDataFrameReceived,
(QuicStreamId, QuicByteCount),
(override));
MOCK_METHOD(void,
OnHeadersFrameReceived,
(QuicStreamId, QuicByteCount),
(override));
MOCK_METHOD(void,
OnHeadersDecoded,
(QuicStreamId, QuicHeaderList),
(override));
MOCK_METHOD(void,
OnPushPromiseFrameReceived,
(QuicStreamId, QuicStreamId, QuicByteCount),
(override));
MOCK_METHOD(void,
OnPushPromiseDecoded,
(QuicStreamId, QuicStreamId, QuicHeaderList),
(override));
MOCK_METHOD(void,
OnUnknownFrameReceived,
(QuicStreamId, uint64_t, QuicByteCount),
(override));
MOCK_METHOD(void, OnSettingsFrameSent, (const SettingsFrame&), (override));
MOCK_METHOD(void, OnGoAwayFrameSent, (QuicStreamId), (override));
MOCK_METHOD(void, OnMaxPushIdFrameSent, (const MaxPushIdFrame&), (override));
MOCK_METHOD(void,
OnPriorityUpdateFrameSent,
(const PriorityUpdateFrame&),
(override));
MOCK_METHOD(void, OnDataFrameSent, (QuicStreamId, QuicByteCount), (override));
MOCK_METHOD(void,
OnHeadersFrameSent,
(QuicStreamId, const spdy::SpdyHeaderBlock&),
(override));
MOCK_METHOD(void,
OnPushPromiseFrameSent,
(QuicStreamId, QuicStreamId, const spdy::SpdyHeaderBlock&),
(override));
};
class TestQuicSpdyServerSession : public QuicServerSessionBase {
public:
// Takes ownership of |connection|.
TestQuicSpdyServerSession(QuicConnection* connection,
const QuicConfig& config,
const ParsedQuicVersionVector& supported_versions,
const QuicCryptoServerConfig* crypto_config,
QuicCompressedCertsCache* compressed_certs_cache);
TestQuicSpdyServerSession(const TestQuicSpdyServerSession&) = delete;
TestQuicSpdyServerSession& operator=(const TestQuicSpdyServerSession&) =
delete;
~TestQuicSpdyServerSession() override;
MOCK_METHOD(QuicSpdyStream*,
CreateIncomingStream,
(QuicStreamId id),
(override));
MOCK_METHOD(QuicSpdyStream*,
CreateIncomingStream,
(PendingStream*),
(override));
MOCK_METHOD(QuicSpdyStream*,
CreateOutgoingBidirectionalStream,
(),
(override));
MOCK_METHOD(QuicSpdyStream*,
CreateOutgoingUnidirectionalStream,
(),
(override));
MOCK_METHOD(std::vector<absl::string_view>::const_iterator,
SelectAlpn,
(const std::vector<absl::string_view>&),
(const, override));
MOCK_METHOD(void, OnAlpnSelected, (absl::string_view), (override));
std::unique_ptr<QuicCryptoServerStreamBase> CreateQuicCryptoServerStream(
const QuicCryptoServerConfig* crypto_config,
QuicCompressedCertsCache* compressed_certs_cache) override;
QuicCryptoServerStreamBase* GetMutableCryptoStream() override;
const QuicCryptoServerStreamBase* GetCryptoStream() const override;
MockQuicCryptoServerStreamHelper* helper() { return &helper_; }
private:
MockQuicSessionVisitor visitor_;
MockQuicCryptoServerStreamHelper helper_;
};
// A test implementation of QuicClientPushPromiseIndex::Delegate.
class TestPushPromiseDelegate : public QuicClientPushPromiseIndex::Delegate {
public:
// |match| sets the validation result for checking whether designated header
// fields match for promise request and client request.
explicit TestPushPromiseDelegate(bool match);
bool CheckVary(const spdy::SpdyHeaderBlock& client_request,
const spdy::SpdyHeaderBlock& promise_request,
const spdy::SpdyHeaderBlock& promise_response) override;
void OnRendezvousResult(QuicSpdyStream* stream) override;
QuicSpdyStream* rendezvous_stream() { return rendezvous_stream_; }
bool rendezvous_fired() { return rendezvous_fired_; }
private:
bool match_;
bool rendezvous_fired_;
QuicSpdyStream* rendezvous_stream_;
};
class TestQuicSpdyClientSession : public QuicSpdyClientSessionBase {
public:
TestQuicSpdyClientSession(QuicConnection* connection,
const QuicConfig& config,
const ParsedQuicVersionVector& supported_versions,
const QuicServerId& server_id,
QuicCryptoClientConfig* crypto_config);
TestQuicSpdyClientSession(const TestQuicSpdyClientSession&) = delete;
TestQuicSpdyClientSession& operator=(const TestQuicSpdyClientSession&) =
delete;
~TestQuicSpdyClientSession() override;
bool IsAuthorized(const std::string& authority) override;
// QuicSpdyClientSessionBase
MOCK_METHOD(void,
OnProofValid,
(const QuicCryptoClientConfig::CachedState& cached),
(override));
MOCK_METHOD(void,
OnProofVerifyDetailsAvailable,
(const ProofVerifyDetails& verify_details),
(override));
// TestQuicSpdyClientSession
MOCK_METHOD(QuicSpdyStream*,
CreateIncomingStream,
(QuicStreamId id),
(override));
MOCK_METHOD(QuicSpdyStream*,
CreateIncomingStream,
(PendingStream*),
(override));
MOCK_METHOD(QuicSpdyStream*,
CreateOutgoingBidirectionalStream,
(),
(override));
MOCK_METHOD(QuicSpdyStream*,
CreateOutgoingUnidirectionalStream,
(),
(override));
MOCK_METHOD(bool, ShouldCreateIncomingStream, (QuicStreamId id), (override));
MOCK_METHOD(bool, ShouldCreateOutgoingBidirectionalStream, (), (override));
MOCK_METHOD(bool, ShouldCreateOutgoingUnidirectionalStream, (), (override));
MOCK_METHOD(std::vector<std::string>, GetAlpnsToOffer, (), (const, override));
MOCK_METHOD(void, OnAlpnSelected, (absl::string_view), (override));
MOCK_METHOD(void, OnConfigNegotiated, (), (override));
QuicCryptoClientStream* GetMutableCryptoStream() override;
const QuicCryptoClientStream* GetCryptoStream() const override;
// Override to save sent crypto handshake messages.
void OnCryptoHandshakeMessageSent(
const CryptoHandshakeMessage& message) override {
sent_crypto_handshake_messages_.push_back(message);
}
const std::vector<CryptoHandshakeMessage>& sent_crypto_handshake_messages()
const {
return sent_crypto_handshake_messages_;
}
private:
// Calls the parent class's OnConfigNegotiated method. Used to set the default
// mock behavior for OnConfigNegotiated.
void RealOnConfigNegotiated();
std::unique_ptr<QuicCryptoClientStream> crypto_stream_;
QuicClientPushPromiseIndex push_promise_index_;
std::vector<CryptoHandshakeMessage> sent_crypto_handshake_messages_;
};
class MockPacketWriter : public QuicPacketWriter {
public:
MockPacketWriter();
MockPacketWriter(const MockPacketWriter&) = delete;
MockPacketWriter& operator=(const MockPacketWriter&) = delete;
~MockPacketWriter() override;
MOCK_METHOD(WriteResult,
WritePacket,
(const char*,
size_t buf_len,
const QuicIpAddress& self_address,
const QuicSocketAddress& peer_address,
PerPacketOptions*),
(override));
MOCK_METHOD(bool, IsWriteBlocked, (), (const, override));
MOCK_METHOD(void, SetWritable, (), (override));
MOCK_METHOD(QuicByteCount,
GetMaxPacketSize,
(const QuicSocketAddress& peer_address),
(const, override));
MOCK_METHOD(bool, SupportsReleaseTime, (), (const, override));
MOCK_METHOD(bool, IsBatchMode, (), (const, override));
MOCK_METHOD(QuicPacketBuffer,
GetNextWriteLocation,
(const QuicIpAddress& self_address,
const QuicSocketAddress& peer_address),
(override));
MOCK_METHOD(WriteResult, Flush, (), (override));
};
class MockSendAlgorithm : public SendAlgorithmInterface {
public:
MockSendAlgorithm();
MockSendAlgorithm(const MockSendAlgorithm&) = delete;
MockSendAlgorithm& operator=(const MockSendAlgorithm&) = delete;
~MockSendAlgorithm() override;
MOCK_METHOD(void,
SetFromConfig,
(const QuicConfig& config, Perspective perspective),
(override));
MOCK_METHOD(void,
ApplyConnectionOptions,
(const QuicTagVector& connection_options),
(override));
MOCK_METHOD(void,
SetInitialCongestionWindowInPackets,
(QuicPacketCount packets),
(override));
MOCK_METHOD(void,
OnCongestionEvent,
(bool rtt_updated,
QuicByteCount bytes_in_flight,
QuicTime event_time,
const AckedPacketVector& acked_packets,
const LostPacketVector& lost_packets),
(override));
MOCK_METHOD(void,
OnPacketSent,
(QuicTime,
QuicByteCount,
QuicPacketNumber,
QuicByteCount,
HasRetransmittableData),
(override));
MOCK_METHOD(void, OnPacketNeutered, (QuicPacketNumber), (override));
MOCK_METHOD(void, OnRetransmissionTimeout, (bool), (override));
MOCK_METHOD(void, OnConnectionMigration, (), (override));
MOCK_METHOD(bool, CanSend, (QuicByteCount), (override));
MOCK_METHOD(QuicBandwidth, PacingRate, (QuicByteCount), (const, override));
MOCK_METHOD(QuicBandwidth, BandwidthEstimate, (), (const, override));
MOCK_METHOD(QuicByteCount, GetCongestionWindow, (), (const, override));
MOCK_METHOD(std::string, GetDebugState, (), (const, override));
MOCK_METHOD(bool, InSlowStart, (), (const, override));
MOCK_METHOD(bool, InRecovery, (), (const, override));
MOCK_METHOD(bool, ShouldSendProbingPacket, (), (const, override));
MOCK_METHOD(QuicByteCount, GetSlowStartThreshold, (), (const, override));
MOCK_METHOD(CongestionControlType,
GetCongestionControlType,
(),
(const, override));
MOCK_METHOD(void,
AdjustNetworkParameters,
(const NetworkParams&),
(override));
MOCK_METHOD(void, OnApplicationLimited, (QuicByteCount), (override));
MOCK_METHOD(void,
PopulateConnectionStats,
(QuicConnectionStats*),
(const, override));
};
class MockLossAlgorithm : public LossDetectionInterface {
public:
MockLossAlgorithm();
MockLossAlgorithm(const MockLossAlgorithm&) = delete;
MockLossAlgorithm& operator=(const MockLossAlgorithm&) = delete;
~MockLossAlgorithm() override;
MOCK_METHOD(void,
SetFromConfig,
(const QuicConfig& config, Perspective perspective),
(override));
MOCK_METHOD(DetectionStats,
DetectLosses,
(const QuicUnackedPacketMap& unacked_packets,
QuicTime time,
const RttStats& rtt_stats,
QuicPacketNumber largest_recently_acked,
const AckedPacketVector& packets_acked,
LostPacketVector*),
(override));
MOCK_METHOD(QuicTime, GetLossTimeout, (), (const, override));
MOCK_METHOD(void,
SpuriousLossDetected,
(const QuicUnackedPacketMap&,
const RttStats&,
QuicTime,
QuicPacketNumber,
QuicPacketNumber),
(override));
MOCK_METHOD(void, OnConfigNegotiated, (), (override));
MOCK_METHOD(void, OnMinRttAvailable, (), (override));
MOCK_METHOD(void, OnUserAgentIdKnown, (), (override));
MOCK_METHOD(void, OnConnectionClosed, (), (override));
MOCK_METHOD(void, OnReorderingDetected, (), (override));
};
class MockAckListener : public QuicAckListenerInterface {
public:
MockAckListener();
MockAckListener(const MockAckListener&) = delete;
MockAckListener& operator=(const MockAckListener&) = delete;
MOCK_METHOD(void,
OnPacketAcked,
(int acked_bytes, QuicTime::Delta ack_delay_time),
(override));
MOCK_METHOD(void,
OnPacketRetransmitted,
(int retransmitted_bytes),
(override));
protected:
// Object is ref counted.
~MockAckListener() override;
};
class MockNetworkChangeVisitor
: public QuicSentPacketManager::NetworkChangeVisitor {
public:
MockNetworkChangeVisitor();
MockNetworkChangeVisitor(const MockNetworkChangeVisitor&) = delete;
MockNetworkChangeVisitor& operator=(const MockNetworkChangeVisitor&) = delete;
~MockNetworkChangeVisitor() override;
MOCK_METHOD(void, OnCongestionChange, (), (override));
MOCK_METHOD(void, OnPathMtuIncreased, (QuicPacketLength), (override));
};
class MockQuicConnectionDebugVisitor : public QuicConnectionDebugVisitor {
public:
MockQuicConnectionDebugVisitor();
~MockQuicConnectionDebugVisitor() override;
MOCK_METHOD(void,
OnPacketSent,
(QuicPacketNumber,
QuicPacketLength,
bool,
TransmissionType,
EncryptionLevel,
const QuicFrames&,
const QuicFrames&,
QuicTime),
(override));
MOCK_METHOD(void,
OnCoalescedPacketSent,
(const QuicCoalescedPacket&, size_t),
(override));
MOCK_METHOD(void, OnPingSent, (), (override));
MOCK_METHOD(void,
OnPacketReceived,
(const QuicSocketAddress&,
const QuicSocketAddress&,
const QuicEncryptedPacket&),
(override));
MOCK_METHOD(void, OnIncorrectConnectionId, (QuicConnectionId), (override));
MOCK_METHOD(void, OnProtocolVersionMismatch, (ParsedQuicVersion), (override));
MOCK_METHOD(void,
OnPacketHeader,
(const QuicPacketHeader& header,
QuicTime receive_time,
EncryptionLevel level),
(override));
MOCK_METHOD(void,
OnSuccessfulVersionNegotiation,
(const ParsedQuicVersion&),
(override));
MOCK_METHOD(void, OnStreamFrame, (const QuicStreamFrame&), (override));
MOCK_METHOD(void, OnCryptoFrame, (const QuicCryptoFrame&), (override));
MOCK_METHOD(void,
OnStopWaitingFrame,
(const QuicStopWaitingFrame&),
(override));
MOCK_METHOD(void, OnRstStreamFrame, (const QuicRstStreamFrame&), (override));
MOCK_METHOD(void,
OnConnectionCloseFrame,
(const QuicConnectionCloseFrame&),
(override));
MOCK_METHOD(void, OnBlockedFrame, (const QuicBlockedFrame&), (override));
MOCK_METHOD(void,
OnNewConnectionIdFrame,
(const QuicNewConnectionIdFrame&),
(override));
MOCK_METHOD(void,
OnRetireConnectionIdFrame,
(const QuicRetireConnectionIdFrame&),
(override));
MOCK_METHOD(void, OnNewTokenFrame, (const QuicNewTokenFrame&), (override));
MOCK_METHOD(void, OnMessageFrame, (const QuicMessageFrame&), (override));
MOCK_METHOD(void,
OnStopSendingFrame,
(const QuicStopSendingFrame&),
(override));
MOCK_METHOD(void,
OnPathChallengeFrame,
(const QuicPathChallengeFrame&),
(override));
MOCK_METHOD(void,
OnPathResponseFrame,
(const QuicPathResponseFrame&),
(override));
MOCK_METHOD(void,
OnPublicResetPacket,
(const QuicPublicResetPacket&),
(override));
MOCK_METHOD(void,
OnVersionNegotiationPacket,
(const QuicVersionNegotiationPacket&),
(override));
MOCK_METHOD(void,
OnTransportParametersSent,
(const TransportParameters&),
(override));
MOCK_METHOD(void,
OnTransportParametersReceived,
(const TransportParameters&),
(override));
MOCK_METHOD(void, OnZeroRttRejected, (int), (override));
MOCK_METHOD(void, OnZeroRttPacketAcked, (), (override));
};
class MockReceivedPacketManager : public QuicReceivedPacketManager {
public:
explicit MockReceivedPacketManager(QuicConnectionStats* stats);
~MockReceivedPacketManager() override;
MOCK_METHOD(void,
RecordPacketReceived,
(const QuicPacketHeader& header, QuicTime receipt_time),
(override));
MOCK_METHOD(bool, IsMissing, (QuicPacketNumber packet_number), (override));
MOCK_METHOD(bool,
IsAwaitingPacket,
(QuicPacketNumber packet_number),
(const, override));
MOCK_METHOD(bool, HasNewMissingPackets, (), (const, override));
MOCK_METHOD(bool, ack_frame_updated, (), (const, override));
};
class MockPacketCreatorDelegate : public QuicPacketCreator::DelegateInterface {
public:
MockPacketCreatorDelegate();
MockPacketCreatorDelegate(const MockPacketCreatorDelegate&) = delete;
MockPacketCreatorDelegate& operator=(const MockPacketCreatorDelegate&) =
delete;
~MockPacketCreatorDelegate() override;
MOCK_METHOD(QuicPacketBuffer, GetPacketBuffer, (), (override));
MOCK_METHOD(void, OnSerializedPacket, (SerializedPacket), (override));
MOCK_METHOD(void,
OnUnrecoverableError,
(QuicErrorCode, const std::string&),
(override));
MOCK_METHOD(bool,
ShouldGeneratePacket,
(HasRetransmittableData retransmittable, IsHandshake handshake),
(override));
MOCK_METHOD(const QuicFrames,
MaybeBundleAckOpportunistically,
(),
(override));
MOCK_METHOD(SerializedPacketFate,
GetSerializedPacketFate,
(bool, EncryptionLevel),
(override));
};
class MockSessionNotifier : public SessionNotifierInterface {
public:
MockSessionNotifier();
~MockSessionNotifier() override;
MOCK_METHOD(bool,
OnFrameAcked,
(const QuicFrame&, QuicTime::Delta, QuicTime),
(override));
MOCK_METHOD(void,
OnStreamFrameRetransmitted,
(const QuicStreamFrame&),
(override));
MOCK_METHOD(void, OnFrameLost, (const QuicFrame&), (override));
MOCK_METHOD(void,
RetransmitFrames,
(const QuicFrames&, TransmissionType type),
(override));
MOCK_METHOD(bool, IsFrameOutstanding, (const QuicFrame&), (const, override));
MOCK_METHOD(bool, HasUnackedCryptoData, (), (const, override));
MOCK_METHOD(bool, HasUnackedStreamData, (), (const, override));
};
class MockQuicPathValidationContext : public QuicPathValidationContext {
public:
MockQuicPathValidationContext(const QuicSocketAddress& self_address,
const QuicSocketAddress& peer_address,
const QuicSocketAddress& effective_peer_address,
QuicPacketWriter* writer)
: QuicPathValidationContext(self_address,
peer_address,
effective_peer_address),
writer_(writer) {}
QuicPacketWriter* WriterToUse() override { return writer_; }
private:
QuicPacketWriter* writer_;
};
class MockQuicPathValidationResultDelegate
: public QuicPathValidator::ResultDelegate {
public:
MOCK_METHOD(void,
OnPathValidationSuccess,
(std::unique_ptr<QuicPathValidationContext>),
(override));
MOCK_METHOD(void,
OnPathValidationFailure,
(std::unique_ptr<QuicPathValidationContext>),
(override));
};
class QuicCryptoClientStreamPeer {
public:
QuicCryptoClientStreamPeer() = delete;
static QuicCryptoClientStream::HandshakerInterface* GetHandshaker(
QuicCryptoClientStream* stream);
};
// Creates a client session for testing.
//
// server_id: The server id associated with this stream.
// connection_start_time: The time to set for the connection clock.
// Needed for strike-register nonce verification. The client
// connection_start_time should be synchronized witht the server
// start time, otherwise nonce verification will fail.
// supported_versions: Set of QUIC versions this client supports.
// helper: Pointer to the MockQuicConnectionHelper to use for the session.
// crypto_client_config: Pointer to the crypto client config.
// client_connection: Pointer reference for newly created
// connection. This object will be owned by the
// client_session.
// client_session: Pointer reference for the newly created client
// session. The new object will be owned by the caller.
void CreateClientSessionForTest(
QuicServerId server_id,
QuicTime::Delta connection_start_time,
const ParsedQuicVersionVector& supported_versions,
MockQuicConnectionHelper* helper,
MockAlarmFactory* alarm_factory,
QuicCryptoClientConfig* crypto_client_config,
PacketSavingConnection** client_connection,
TestQuicSpdyClientSession** client_session);
// Creates a server session for testing.
//
// server_id: The server id associated with this stream.
// connection_start_time: The time to set for the connection clock.
// Needed for strike-register nonce verification. The server
// connection_start_time should be synchronized witht the client
// start time, otherwise nonce verification will fail.
// supported_versions: Set of QUIC versions this server supports.
// helper: Pointer to the MockQuicConnectionHelper to use for the session.
// crypto_server_config: Pointer to the crypto server config.
// server_connection: Pointer reference for newly created
// connection. This object will be owned by the
// server_session.
// server_session: Pointer reference for the newly created server
// session. The new object will be owned by the caller.
void CreateServerSessionForTest(
QuicServerId server_id,
QuicTime::Delta connection_start_time,
ParsedQuicVersionVector supported_versions,
MockQuicConnectionHelper* helper,
MockAlarmFactory* alarm_factory,
QuicCryptoServerConfig* crypto_server_config,
QuicCompressedCertsCache* compressed_certs_cache,
PacketSavingConnection** server_connection,
TestQuicSpdyServerSession** server_session);
// Verifies that the relative error of |actual| with respect to |expected| is
// no more than |margin|.
// Please use EXPECT_APPROX_EQ, a wrapper around this function, for better error
// report.
template <typename T>
void ExpectApproxEq(T expected, T actual, float relative_margin) {
// If |relative_margin| > 1 and T is an unsigned type, the comparison will
// underflow.
ASSERT_LE(relative_margin, 1);
ASSERT_GE(relative_margin, 0);
T absolute_margin = expected * relative_margin;
EXPECT_GE(expected + absolute_margin, actual) << "actual value too big";
EXPECT_LE(expected - absolute_margin, actual) << "actual value too small";
}
#define EXPECT_APPROX_EQ(expected, actual, relative_margin) \
do { \
SCOPED_TRACE(testing::Message() << "relative_margin:" << relative_margin); \
quic::test::ExpectApproxEq(expected, actual, relative_margin); \
} while (0)
template <typename T>
QuicHeaderList AsHeaderList(const T& container) {
QuicHeaderList l;
l.OnHeaderBlockStart();
size_t total_size = 0;
for (auto p : container) {
total_size += p.first.size() + p.second.size();
l.OnHeader(p.first, p.second);
}
l.OnHeaderBlockEnd(total_size, total_size);
return l;
}
// Utility function that stores |str|'s data in |iov|.
inline void MakeIOVector(absl::string_view str, struct iovec* iov) {
iov->iov_base = const_cast<char*>(str.data());
iov->iov_len = static_cast<size_t>(str.size());
}
// Helper functions for stream ids, to allow test logic to abstract over the
// HTTP stream numbering scheme (i.e. whether one or two QUIC streams are used
// per HTTP transaction).
QuicStreamId GetNthClientInitiatedBidirectionalStreamId(
QuicTransportVersion version,
int n);
QuicStreamId GetNthServerInitiatedBidirectionalStreamId(
QuicTransportVersion version,
int n);
QuicStreamId GetNthServerInitiatedUnidirectionalStreamId(
QuicTransportVersion version,
int n);
QuicStreamId GetNthClientInitiatedUnidirectionalStreamId(
QuicTransportVersion version,
int n);
StreamType DetermineStreamType(QuicStreamId id,
ParsedQuicVersion version,
Perspective perspective,
bool is_incoming,
StreamType default_type);
// Utility function that stores message_data in |storage| and returns a
// QuicMemSliceSpan.
QuicMemSliceSpan MakeSpan(QuicBufferAllocator* allocator,
absl::string_view message_data,
QuicMemSliceStorage* storage);
// Creates a MemSlice using a singleton trivial buffer allocator. Performs a
// copy.
QuicMemSlice MemSliceFromString(absl::string_view data);
// Used to compare ReceivedPacketInfo.
MATCHER_P(ReceivedPacketInfoEquals, info, "") {
return info.ToString() == arg.ToString();
}
MATCHER_P(ReceivedPacketInfoConnectionIdEquals, destination_connection_id, "") {
return arg.destination_connection_id == destination_connection_id;
}
MATCHER_P2(InRange, min, max, "") {
return arg >= min && arg <= max;
}
// A GMock matcher that prints expected and actual QuicErrorCode strings
// upon failure. Example usage:
// EXPECT_THAT(stream_->connection_error(), IsError(QUIC_INTERNAL_ERROR));
MATCHER_P(IsError,
expected,
absl::StrCat(negation ? "isn't equal to " : "is equal to ",
QuicErrorCodeToString(expected))) {
*result_listener << QuicErrorCodeToString(static_cast<QuicErrorCode>(arg));
return arg == expected;
}
// Shorthand for IsError(QUIC_NO_ERROR).
// Example usage: EXPECT_THAT(stream_->connection_error(), IsQuicNoError());
MATCHER(IsQuicNoError,
absl::StrCat(negation ? "isn't equal to " : "is equal to ",
QuicErrorCodeToString(QUIC_NO_ERROR))) {
*result_listener << QuicErrorCodeToString(arg);
return arg == QUIC_NO_ERROR;
}
// A GMock matcher that prints expected and actual QuicRstStreamErrorCode
// strings upon failure. Example usage:
// EXPECT_THAT(stream_->stream_error(), IsStreamError(QUIC_INTERNAL_ERROR));
MATCHER_P(IsStreamError,
expected,
absl::StrCat(negation ? "isn't equal to " : "is equal to ",
QuicRstStreamErrorCodeToString(expected))) {
*result_listener << QuicRstStreamErrorCodeToString(arg);
return arg == expected;
}
// Shorthand for IsStreamError(QUIC_STREAM_NO_ERROR). Example usage:
// EXPECT_THAT(stream_->stream_error(), IsQuicStreamNoError());
MATCHER(IsQuicStreamNoError,
absl::StrCat(negation ? "isn't equal to " : "is equal to ",
QuicRstStreamErrorCodeToString(QUIC_STREAM_NO_ERROR))) {
*result_listener << QuicRstStreamErrorCodeToString(arg);
return arg == QUIC_STREAM_NO_ERROR;
}
// TaggingEncrypter appends kTagSize bytes of |tag| to the end of each message.
class TaggingEncrypter : public QuicEncrypter {
public:
explicit TaggingEncrypter(uint8_t tag) : tag_(tag) {}
TaggingEncrypter(const TaggingEncrypter&) = delete;
TaggingEncrypter& operator=(const TaggingEncrypter&) = delete;
~TaggingEncrypter() override {}
// QuicEncrypter interface.
bool SetKey(absl::string_view /*key*/) override { return true; }
bool SetNoncePrefix(absl::string_view /*nonce_prefix*/) override {
return true;
}
bool SetIV(absl::string_view /*iv*/) override { return true; }
bool SetHeaderProtectionKey(absl::string_view /*key*/) override {
return true;
}
bool EncryptPacket(uint64_t packet_number,
absl::string_view associated_data,
absl::string_view plaintext,
char* output,
size_t* output_length,
size_t max_output_length) override;
std::string GenerateHeaderProtectionMask(
absl::string_view /*sample*/) override {
return std::string(5, 0);
}
size_t GetKeySize() const override { return 0; }
size_t GetNoncePrefixSize() const override { return 0; }
size_t GetIVSize() const override { return 0; }
size_t GetMaxPlaintextSize(size_t ciphertext_size) const override {
return ciphertext_size - kTagSize;
}
size_t GetCiphertextSize(size_t plaintext_size) const override {
return plaintext_size + kTagSize;
}
QuicPacketCount GetConfidentialityLimit() const override {
return std::numeric_limits<QuicPacketCount>::max();
}
absl::string_view GetKey() const override { return absl::string_view(); }
absl::string_view GetNoncePrefix() const override {
return absl::string_view();
}
private:
enum {
kTagSize = 12,
};
const uint8_t tag_;
};
// TaggingDecrypter ensures that the final kTagSize bytes of the message all
// have the same value and then removes them.
class TaggingDecrypter : public QuicDecrypter {
public:
~TaggingDecrypter() override {}
// QuicDecrypter interface
bool SetKey(absl::string_view /*key*/) override { return true; }
bool SetNoncePrefix(absl::string_view /*nonce_prefix*/) override {
return true;
}
bool SetIV(absl::string_view /*iv*/) override { return true; }
bool SetHeaderProtectionKey(absl::string_view /*key*/) override {
return true;
}
bool SetPreliminaryKey(absl::string_view /*key*/) override {
QUIC_BUG << "should not be called";
return false;
}
bool SetDiversificationNonce(const DiversificationNonce& /*key*/) override {
return true;
}
bool DecryptPacket(uint64_t packet_number,
absl::string_view associated_data,
absl::string_view ciphertext,
char* output,
size_t* output_length,
size_t max_output_length) override;
std::string GenerateHeaderProtectionMask(
QuicDataReader* /*sample_reader*/) override {
return std::string(5, 0);
}
size_t GetKeySize() const override { return 0; }
size_t GetNoncePrefixSize() const override { return 0; }
size_t GetIVSize() const override { return 0; }
absl::string_view GetKey() const override { return absl::string_view(); }
absl::string_view GetNoncePrefix() const override {
return absl::string_view();
}
// Use a distinct value starting with 0xFFFFFF, which is never used by TLS.
uint32_t cipher_id() const override { return 0xFFFFFFF0; }
QuicPacketCount GetIntegrityLimit() const override {
return std::numeric_limits<QuicPacketCount>::max();
}
protected:
virtual uint8_t GetTag(absl::string_view ciphertext) {
return ciphertext.data()[ciphertext.size() - 1];
}
private:
enum {
kTagSize = 12,
};
bool CheckTag(absl::string_view ciphertext, uint8_t tag);
};
// StringTaggingDecrypter ensures that the final kTagSize bytes of the message
// match the expected value.
class StrictTaggingDecrypter : public TaggingDecrypter {
public:
explicit StrictTaggingDecrypter(uint8_t tag) : tag_(tag) {}
~StrictTaggingDecrypter() override {}
// TaggingQuicDecrypter
uint8_t GetTag(absl::string_view /*ciphertext*/) override { return tag_; }
// Use a distinct value starting with 0xFFFFFF, which is never used by TLS.
uint32_t cipher_id() const override { return 0xFFFFFFF1; }
private:
const uint8_t tag_;
};
class TestPacketWriter : public QuicPacketWriter {
struct PacketBuffer {
ABSL_CACHELINE_ALIGNED char buffer[1500];
bool in_use = false;
};
public:
TestPacketWriter(ParsedQuicVersion version,
MockClock* clock,
Perspective perspective);
TestPacketWriter(const TestPacketWriter&) = delete;
TestPacketWriter& operator=(const TestPacketWriter&) = delete;
~TestPacketWriter() override;
// QuicPacketWriter interface
WriteResult WritePacket(const char* buffer,
size_t buf_len,
const QuicIpAddress& self_address,
const QuicSocketAddress& peer_address,
PerPacketOptions* options) override;
bool ShouldWriteFail() { return write_should_fail_; }
bool IsWriteBlocked() const override { return write_blocked_; }
void SetWriteBlocked() { write_blocked_ = true; }
void SetWritable() override { write_blocked_ = false; }
void SetShouldWriteFail() { write_should_fail_ = true; }
void SetWriteError(int error_code) { write_error_code_ = error_code; }
QuicByteCount GetMaxPacketSize(
const QuicSocketAddress& /*peer_address*/) const override {
return max_packet_size_;
}
bool SupportsReleaseTime() const override { return supports_release_time_; }
bool IsBatchMode() const override { return is_batch_mode_; }
QuicPacketBuffer GetNextWriteLocation(
const QuicIpAddress& /*self_address*/,
const QuicSocketAddress& /*peer_address*/) override;
WriteResult Flush() override;
void BlockOnNextFlush() { block_on_next_flush_ = true; }
void BlockOnNextWrite() { block_on_next_write_ = true; }
void SimulateNextPacketTooLarge() { next_packet_too_large_ = true; }
void AlwaysGetPacketTooLarge() { always_get_packet_too_large_ = true; }
// Sets the amount of time that the writer should before the actual write.
void SetWritePauseTimeDelta(QuicTime::Delta delta) {
write_pause_time_delta_ = delta;
}
void SetBatchMode(bool new_value) { is_batch_mode_ = new_value; }
const QuicPacketHeader& header() { return framer_.header(); }
size_t frame_count() const { return framer_.num_frames(); }
const std::vector<QuicAckFrame>& ack_frames() const {
return framer_.ack_frames();
}
const std::vector<QuicStopWaitingFrame>& stop_waiting_frames() const {
return framer_.stop_waiting_frames();
}
const std::vector<QuicConnectionCloseFrame>& connection_close_frames() const {
return framer_.connection_close_frames();
}
const std::vector<QuicRstStreamFrame>& rst_stream_frames() const {
return framer_.rst_stream_frames();
}
const std::vector<std::unique_ptr<QuicStreamFrame>>& stream_frames() const {
return framer_.stream_frames();
}
const std::vector<std::unique_ptr<QuicCryptoFrame>>& crypto_frames() const {
return framer_.crypto_frames();
}
const std::vector<QuicPingFrame>& ping_frames() const {
return framer_.ping_frames();
}
const std::vector<QuicMessageFrame>& message_frames() const {
return framer_.message_frames();
}
const std::vector<QuicWindowUpdateFrame>& window_update_frames() const {
return framer_.window_update_frames();
}
const std::vector<QuicPaddingFrame>& padding_frames() const {
return framer_.padding_frames();
}
const std::vector<QuicPathChallengeFrame>& path_challenge_frames() const {
return framer_.path_challenge_frames();
}
const std::vector<QuicPathResponseFrame>& path_response_frames() const {
return framer_.path_response_frames();
}
const QuicEncryptedPacket* coalesced_packet() const {
return framer_.coalesced_packet();
}
size_t last_packet_size() { return last_packet_size_; }
const QuicPacketHeader& last_packet_header() const {
return last_packet_header_;
}
const QuicVersionNegotiationPacket* version_negotiation_packet() {
return framer_.version_negotiation_packet();
}
void set_is_write_blocked_data_buffered(bool buffered) {
is_write_blocked_data_buffered_ = buffered;
}
void set_perspective(Perspective perspective) {
// We invert perspective here, because the framer needs to parse packets
// we send.
QuicFramerPeer::SetPerspective(framer_.framer(),
QuicUtils::InvertPerspective(perspective));
framer_.framer()->SetInitialObfuscators(TestConnectionId());
}
// final_bytes_of_last_packet_ returns the last four bytes of the previous
// packet as a little-endian, uint32_t. This is intended to be used with a
// TaggingEncrypter so that tests can determine which encrypter was used for
// a given packet.
uint32_t final_bytes_of_last_packet() { return final_bytes_of_last_packet_; }
// Returns the final bytes of the second to last packet.
uint32_t final_bytes_of_previous_packet() {
return final_bytes_of_previous_packet_;
}
void use_tagging_decrypter() { use_tagging_decrypter_ = true; }
uint32_t packets_write_attempts() const { return packets_write_attempts_; }
uint32_t flush_attempts() const { return flush_attempts_; }
uint32_t connection_close_packets() const {
return connection_close_packets_;
}
void Reset() { framer_.Reset(); }
void SetSupportedVersions(const ParsedQuicVersionVector& versions) {
framer_.SetSupportedVersions(versions);
}
void set_max_packet_size(QuicByteCount max_packet_size) {
max_packet_size_ = max_packet_size;
}
void set_supports_release_time(bool supports_release_time) {
supports_release_time_ = supports_release_time;
}
SimpleQuicFramer* framer() { return &framer_; }
const QuicIpAddress& last_write_source_address() const {
return last_write_source_address_;
}
const QuicSocketAddress& last_write_peer_address() const {
return last_write_peer_address_;
}
private:
char* AllocPacketBuffer();
void FreePacketBuffer(const char* buffer);
ParsedQuicVersion version_;
SimpleQuicFramer framer_;
size_t last_packet_size_ = 0;
QuicPacketHeader last_packet_header_;
bool write_blocked_ = false;
bool write_should_fail_ = false;
bool block_on_next_flush_ = false;
bool block_on_next_write_ = false;
bool next_packet_too_large_ = false;
bool always_get_packet_too_large_ = false;
bool is_write_blocked_data_buffered_ = false;
bool is_batch_mode_ = false;
// Number of times Flush() was called.
uint32_t flush_attempts_ = 0;
// (Batch mode only) Number of bytes buffered in writer. It is used as the
// return value of a successful Flush().
uint32_t bytes_buffered_ = 0;
uint32_t final_bytes_of_last_packet_ = 0;
uint32_t final_bytes_of_previous_packet_ = 0;
bool use_tagging_decrypter_ = false;
uint32_t packets_write_attempts_ = 0;
uint32_t connection_close_packets_ = 0;
MockClock* clock_ = nullptr;
// If non-zero, the clock will pause during WritePacket for this amount of
// time.
QuicTime::Delta write_pause_time_delta_ = QuicTime::Delta::Zero();
QuicByteCount max_packet_size_ = kMaxOutgoingPacketSize;
bool supports_release_time_ = false;
// Used to verify writer-allocated packet buffers are properly released.
std::vector<PacketBuffer*> packet_buffer_pool_;
// Buffer address => Address of the owning PacketBuffer.
QuicHashMap<char*, PacketBuffer*> packet_buffer_pool_index_;
// Indices in packet_buffer_pool_ that are not allocated.
std::list<PacketBuffer*> packet_buffer_free_list_;
// The soruce/peer address passed into WritePacket().
QuicIpAddress last_write_source_address_;
QuicSocketAddress last_write_peer_address_;
int write_error_code_{0};
};
// Parses a packet generated by
// QuicFramer::WriteClientVersionNegotiationProbePacket.
// |packet_bytes| must point to |packet_length| bytes in memory which represent
// the packet. This method will fill in |destination_connection_id_bytes|
// which must point to at least |*destination_connection_id_length_out| bytes in
// memory. |*destination_connection_id_length_out| will contain the length of
// the received destination connection ID, which on success will match the
// contents of the destination connection ID passed in to
// WriteClientVersionNegotiationProbePacket.
bool ParseClientVersionNegotiationProbePacket(
const char* packet_bytes,
size_t packet_length,
char* destination_connection_id_bytes,
uint8_t* destination_connection_id_length_out);
// Writes an array of bytes that correspond to a QUIC version negotiation packet
// that a QUIC server would send in response to a probe created by
// QuicFramer::WriteClientVersionNegotiationProbePacket.
// The bytes will be written to |packet_bytes|, which must point to
// |*packet_length_out| bytes of memory. |*packet_length_out| will contain the
// length of the created packet. |source_connection_id_bytes| will be sent as
// the source connection ID, and must point to |source_connection_id_length|
// bytes of memory.
bool WriteServerVersionNegotiationProbeResponse(
char* packet_bytes,
size_t* packet_length_out,
const char* source_connection_id_bytes,
uint8_t source_connection_id_length);
} // namespace test
} // namespace quic
#endif // QUICHE_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_