| // 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. |
| |
| #ifndef QUICHE_QUIC_TEST_TOOLS_SIMULATOR_QUIC_ENDPOINT_H_ |
| #define QUICHE_QUIC_TEST_TOOLS_SIMULATOR_QUIC_ENDPOINT_H_ |
| |
| #include "absl/strings/string_view.h" |
| #include "quiche/quic/core/crypto/null_decrypter.h" |
| #include "quiche/quic/core/crypto/null_encrypter.h" |
| #include "quiche/quic/core/quic_connection.h" |
| #include "quiche/quic/core/quic_packet_writer.h" |
| #include "quiche/quic/core/quic_packets.h" |
| #include "quiche/quic/core/quic_stream_frame_data_producer.h" |
| #include "quiche/quic/core/quic_trace_visitor.h" |
| #include "quiche/quic/test_tools/simple_session_notifier.h" |
| #include "quiche/quic/test_tools/simulator/link.h" |
| #include "quiche/quic/test_tools/simulator/queue.h" |
| #include "quiche/quic/test_tools/simulator/quic_endpoint_base.h" |
| |
| namespace quic { |
| namespace simulator { |
| |
| // A QUIC connection endpoint. Wraps around QuicConnection. In order to |
| // initiate a transfer, the caller has to call AddBytesToTransfer(). The data |
| // transferred is always the same and is always transferred on a single stream. |
| // The endpoint receives all packets addressed to it, and verifies that the data |
| // received is what it's supposed to be. |
| class QuicEndpoint : public QuicEndpointBase, |
| public QuicConnectionVisitorInterface, |
| public SessionNotifierInterface { |
| public: |
| QuicEndpoint(Simulator* simulator, std::string name, std::string peer_name, |
| Perspective perspective, QuicConnectionId connection_id); |
| |
| QuicByteCount bytes_to_transfer() const; |
| QuicByteCount bytes_transferred() const; |
| QuicByteCount bytes_received() const; |
| bool wrong_data_received() const { return wrong_data_received_; } |
| |
| // Send |bytes| bytes. Initiates the transfer if one is not already in |
| // progress. |
| void AddBytesToTransfer(QuicByteCount bytes); |
| |
| // Begin QuicConnectionVisitorInterface implementation. |
| void OnStreamFrame(const QuicStreamFrame& frame) override; |
| void OnCryptoFrame(const QuicCryptoFrame& frame) override; |
| void OnCanWrite() override; |
| bool WillingAndAbleToWrite() const override; |
| bool ShouldKeepConnectionAlive() const override; |
| |
| std::string GetStreamsInfoForLogging() const override { return ""; } |
| void OnWindowUpdateFrame(const QuicWindowUpdateFrame& /*frame*/) override {} |
| void OnBlockedFrame(const QuicBlockedFrame& /*frame*/) override {} |
| void OnRstStream(const QuicRstStreamFrame& /*frame*/) override {} |
| void OnGoAway(const QuicGoAwayFrame& /*frame*/) override {} |
| void OnMessageReceived(absl::string_view /*message*/) override {} |
| void OnHandshakeDoneReceived() override {} |
| void OnNewTokenReceived(absl::string_view /*token*/) override {} |
| void OnConnectionClosed(const QuicConnectionCloseFrame& /*frame*/, |
| ConnectionCloseSource /*source*/) override {} |
| void OnWriteBlocked() override {} |
| void OnSuccessfulVersionNegotiation( |
| const ParsedQuicVersion& /*version*/) override {} |
| void OnPacketReceived(const QuicSocketAddress& /*self_address*/, |
| const QuicSocketAddress& /*peer_address*/, |
| bool /*is_connectivity_probe*/) override {} |
| void OnCongestionWindowChange(QuicTime /*now*/) override {} |
| void OnConnectionMigration(AddressChangeType /*type*/) override {} |
| void OnPathDegrading() override {} |
| void OnForwardProgressMadeAfterPathDegrading() override {} |
| void OnAckNeedsRetransmittableFrame() override {} |
| void SendAckFrequency(const QuicAckFrequencyFrame& /*frame*/) override {} |
| void SendNewConnectionId(const QuicNewConnectionIdFrame& /*frame*/) override { |
| } |
| void SendRetireConnectionId(uint64_t /*sequence_number*/) override {} |
| bool MaybeReserveConnectionId( |
| const QuicConnectionId& /*server_connection_id*/) override { |
| return true; |
| } |
| void OnServerConnectionIdRetired( |
| const QuicConnectionId& /*server_connection_id*/) override {} |
| bool AllowSelfAddressChange() const override; |
| HandshakeState GetHandshakeState() const override; |
| bool OnMaxStreamsFrame(const QuicMaxStreamsFrame& /*frame*/) override { |
| return true; |
| } |
| bool OnStreamsBlockedFrame( |
| const QuicStreamsBlockedFrame& /*frame*/) override { |
| return true; |
| } |
| void OnStopSendingFrame(const QuicStopSendingFrame& /*frame*/) override {} |
| void OnPacketDecrypted(EncryptionLevel /*level*/) override {} |
| void OnOneRttPacketAcknowledged() override {} |
| void OnHandshakePacketSent() override {} |
| void OnKeyUpdate(KeyUpdateReason /*reason*/) override {} |
| std::unique_ptr<QuicDecrypter> AdvanceKeysAndCreateCurrentOneRttDecrypter() |
| override { |
| return nullptr; |
| } |
| std::unique_ptr<QuicEncrypter> CreateCurrentOneRttEncrypter() override { |
| return nullptr; |
| } |
| void BeforeConnectionCloseSent() override {} |
| bool ValidateToken(absl::string_view /*token*/) override { return true; } |
| bool MaybeSendAddressToken() override { return false; } |
| void OnBandwidthUpdateTimeout() override {} |
| std::unique_ptr<QuicPathValidationContext> CreateContextForMultiPortPath() |
| override { |
| return nullptr; |
| } |
| void OnServerPreferredAddressAvailable( |
| const QuicSocketAddress& /*server_preferred_address*/) override {} |
| |
| // End QuicConnectionVisitorInterface implementation. |
| |
| // Begin SessionNotifierInterface methods: |
| bool OnFrameAcked(const QuicFrame& frame, QuicTime::Delta ack_delay_time, |
| QuicTime receive_timestamp) override; |
| void OnStreamFrameRetransmitted(const QuicStreamFrame& /*frame*/) override {} |
| void OnFrameLost(const QuicFrame& frame) override; |
| bool RetransmitFrames(const QuicFrames& frames, |
| TransmissionType type) override; |
| bool IsFrameOutstanding(const QuicFrame& frame) const override; |
| bool HasUnackedCryptoData() const override; |
| bool HasUnackedStreamData() const override; |
| // End SessionNotifierInterface implementation. |
| |
| private: |
| // The producer outputs the repetition of the same byte. That sequence is |
| // verified by the receiver. |
| class DataProducer : public QuicStreamFrameDataProducer { |
| public: |
| WriteStreamDataResult WriteStreamData(QuicStreamId id, |
| QuicStreamOffset offset, |
| QuicByteCount data_length, |
| QuicDataWriter* writer) override; |
| bool WriteCryptoData(EncryptionLevel level, QuicStreamOffset offset, |
| QuicByteCount data_length, |
| QuicDataWriter* writer) override; |
| }; |
| |
| std::unique_ptr<QuicConnection> CreateConnection( |
| Simulator* simulator, std::string name, std::string peer_name, |
| Perspective perspective, QuicConnectionId connection_id); |
| |
| // Write stream data until |bytes_to_transfer_| is zero or the connection is |
| // write-blocked. |
| void WriteStreamData(); |
| |
| DataProducer producer_; |
| |
| QuicByteCount bytes_to_transfer_; |
| QuicByteCount bytes_transferred_; |
| |
| // Set to true if the endpoint receives stream data different from what it |
| // expects. |
| bool wrong_data_received_; |
| |
| // Record of received offsets in the data stream. |
| QuicIntervalSet<QuicStreamOffset> offsets_received_; |
| |
| std::unique_ptr<test::SimpleSessionNotifier> notifier_; |
| }; |
| |
| } // namespace simulator |
| } // namespace quic |
| |
| #endif // QUICHE_QUIC_TEST_TOOLS_SIMULATOR_QUIC_ENDPOINT_H_ |