114 lines
4.5 KiB
C++
114 lines
4.5 KiB
C++
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/*
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* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "net/dcsctp/packet/chunk/init_chunk.h"
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#include <stdint.h>
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#include <type_traits>
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#include <vector>
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#include "net/dcsctp/packet/parameter/forward_tsn_supported_parameter.h"
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#include "net/dcsctp/packet/parameter/parameter.h"
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#include "net/dcsctp/packet/parameter/supported_extensions_parameter.h"
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#include "net/dcsctp/testing/testing_macros.h"
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#include "rtc_base/gunit.h"
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#include "test/gmock.h"
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namespace dcsctp {
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namespace {
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TEST(InitChunkTest, FromCapture) {
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/*
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INIT chunk (Outbound streams: 1000, inbound streams: 1000)
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Chunk type: INIT (1)
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Chunk flags: 0x00
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Chunk length: 90
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Initiate tag: 0xde7a1690
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Advertised receiver window credit (a_rwnd): 131072
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Number of outbound streams: 1000
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Number of inbound streams: 1000
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Initial TSN: 621623272
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ECN parameter
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Parameter type: ECN (0x8000)
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Parameter length: 4
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Forward TSN supported parameter
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Parameter type: Forward TSN supported (0xc000)
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Parameter length: 4
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Supported Extensions parameter (Supported types: FORWARD_TSN, AUTH,
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ASCONF, ASCONF_ACK, RE_CONFIG) Parameter type: Supported Extensions (0x8008)
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Parameter length: 9
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Supported chunk type: FORWARD_TSN (192)
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Supported chunk type: AUTH (15)
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Supported chunk type: ASCONF (193)
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Supported chunk type: ASCONF_ACK (128)
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Supported chunk type: RE_CONFIG (130)
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Parameter padding: 000000
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Random parameter
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Parameter type: Random (0x8002)
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Parameter length: 36
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Random number: ab314462121a1513fd5a5f69efaa06e9abd748cc3bd14b60…
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Requested HMAC Algorithm parameter (Supported HMACs: SHA-1)
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Parameter type: Requested HMAC Algorithm (0x8004)
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Parameter length: 6
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HMAC identifier: SHA-1 (1)
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Parameter padding: 0000
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Authenticated Chunk list parameter (Chunk types to be authenticated:
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ASCONF_ACK, ASCONF) Parameter type: Authenticated Chunk list (0x8003)
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Parameter length: 6
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Chunk type: ASCONF_ACK (128)
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Chunk type: ASCONF (193)
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*/
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uint8_t data[] = {
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0x01, 0x00, 0x00, 0x5a, 0xde, 0x7a, 0x16, 0x90, 0x00, 0x02, 0x00, 0x00,
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0x03, 0xe8, 0x03, 0xe8, 0x25, 0x0d, 0x37, 0xe8, 0x80, 0x00, 0x00, 0x04,
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0xc0, 0x00, 0x00, 0x04, 0x80, 0x08, 0x00, 0x09, 0xc0, 0x0f, 0xc1, 0x80,
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0x82, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x24, 0xab, 0x31, 0x44, 0x62,
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0x12, 0x1a, 0x15, 0x13, 0xfd, 0x5a, 0x5f, 0x69, 0xef, 0xaa, 0x06, 0xe9,
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0xab, 0xd7, 0x48, 0xcc, 0x3b, 0xd1, 0x4b, 0x60, 0xed, 0x7f, 0xa6, 0x44,
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0xce, 0x4d, 0xd2, 0xad, 0x80, 0x04, 0x00, 0x06, 0x00, 0x01, 0x00, 0x00,
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0x80, 0x03, 0x00, 0x06, 0x80, 0xc1, 0x00, 0x00};
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ASSERT_HAS_VALUE_AND_ASSIGN(InitChunk chunk, InitChunk::Parse(data));
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EXPECT_EQ(chunk.initiate_tag(), VerificationTag(0xde7a1690));
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EXPECT_EQ(chunk.a_rwnd(), 131072u);
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EXPECT_EQ(chunk.nbr_outbound_streams(), 1000u);
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EXPECT_EQ(chunk.nbr_inbound_streams(), 1000u);
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EXPECT_EQ(chunk.initial_tsn(), TSN(621623272u));
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EXPECT_TRUE(
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chunk.parameters().get<ForwardTsnSupportedParameter>().has_value());
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EXPECT_TRUE(
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chunk.parameters().get<SupportedExtensionsParameter>().has_value());
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}
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TEST(InitChunkTest, SerializeAndDeserialize) {
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InitChunk chunk(VerificationTag(123), /*a_rwnd=*/456,
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/*nbr_outbound_streams=*/65535,
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/*nbr_inbound_streams=*/65534, /*initial_tsn=*/TSN(789),
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/*parameters=*/Parameters::Builder().Build());
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std::vector<uint8_t> serialized;
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chunk.SerializeTo(serialized);
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ASSERT_HAS_VALUE_AND_ASSIGN(InitChunk deserialized,
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InitChunk::Parse(serialized));
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EXPECT_EQ(deserialized.initiate_tag(), VerificationTag(123u));
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EXPECT_EQ(deserialized.a_rwnd(), 456u);
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EXPECT_EQ(deserialized.nbr_outbound_streams(), 65535u);
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EXPECT_EQ(deserialized.nbr_inbound_streams(), 65534u);
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EXPECT_EQ(deserialized.initial_tsn(), TSN(789u));
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EXPECT_EQ(deserialized.ToString(),
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"INIT, initiate_tag=0x7b, initial_tsn=789");
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}
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} // namespace
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} // namespace dcsctp
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