xref: /aosp_15_r20/external/cronet/net/third_party/quiche/src/quiche/quic/test_tools/quic_framer_peer.h (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef QUICHE_QUIC_TEST_TOOLS_QUIC_FRAMER_PEER_H_
6 #define QUICHE_QUIC_TEST_TOOLS_QUIC_FRAMER_PEER_H_
7 
8 #include "quiche/quic/core/crypto/quic_encrypter.h"
9 #include "quiche/quic/core/quic_framer.h"
10 #include "quiche/quic/core/quic_packets.h"
11 
12 namespace quic {
13 
14 namespace test {
15 
16 class QuicFramerPeer {
17  public:
18   QuicFramerPeer() = delete;
19 
20   static uint64_t CalculatePacketNumberFromWire(
21       QuicFramer* framer, QuicPacketNumberLength packet_number_length,
22       QuicPacketNumber last_packet_number, uint64_t packet_number);
23   static void SetLastSerializedServerConnectionId(
24       QuicFramer* framer, QuicConnectionId server_connection_id);
25   static void SetLastWrittenPacketNumberLength(QuicFramer* framer,
26                                                size_t packet_number_length);
27   static void SetLargestPacketNumber(QuicFramer* framer,
28                                      QuicPacketNumber packet_number);
29   static void SetPerspective(QuicFramer* framer, Perspective perspective);
30 
31   // SwapCrypters exchanges the state of the crypters of |framer1| with
32   // |framer2|.
33   static void SwapCrypters(QuicFramer* framer1, QuicFramer* framer2);
34 
35   static QuicEncrypter* GetEncrypter(QuicFramer* framer, EncryptionLevel level);
36   static QuicDecrypter* GetDecrypter(QuicFramer* framer, EncryptionLevel level);
37 
38   static void SetFirstSendingPacketNumber(QuicFramer* framer,
39                                           uint64_t packet_number);
40   static void SetExpectedServerConnectionIDLength(
41       QuicFramer* framer, uint8_t expected_server_connection_id_length);
42   static QuicPacketNumber GetLargestDecryptedPacketNumber(
43       QuicFramer* framer, PacketNumberSpace packet_number_space);
44 
45   static bool ProcessAndValidateIetfConnectionIdLength(
46       QuicDataReader* reader, ParsedQuicVersion version,
47       Perspective perspective,
48       bool should_update_expected_server_connection_id_length,
49       uint8_t* expected_server_connection_id_length,
50       uint8_t* destination_connection_id_length,
51       uint8_t* source_connection_id_length, std::string* detailed_error);
52 
set_current_received_frame_type(QuicFramer * framer,uint64_t current_received_frame_type)53   static void set_current_received_frame_type(
54       QuicFramer* framer, uint64_t current_received_frame_type) {
55     framer->current_received_frame_type_ = current_received_frame_type;
56   }
57 };
58 
59 }  // namespace test
60 
61 }  // namespace quic
62 
63 #endif  // QUICHE_QUIC_TEST_TOOLS_QUIC_FRAMER_PEER_H_
64