1 /*
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "modules/rtp_rtcp/source/rtcp_packet/sender_report.h"
12
13 #include <utility>
14
15 #include "test/gmock.h"
16 #include "test/gtest.h"
17 #include "test/rtcp_packet_parser.h"
18
19 using testing::ElementsAreArray;
20 using testing::make_tuple;
21 using webrtc::rtcp::ReportBlock;
22 using webrtc::rtcp::SenderReport;
23
24 namespace webrtc {
25 namespace {
26 const uint32_t kSenderSsrc = 0x12345678;
27 const uint32_t kRemoteSsrc = 0x23456789;
28 const NtpTime kNtp(0x11121418, 0x22242628);
29 const uint32_t kRtpTimestamp = 0x33343536;
30 const uint32_t kPacketCount = 0x44454647;
31 const uint32_t kOctetCount = 0x55565758;
32 const uint8_t kPacket[] = {0x80, 200, 0x00, 0x06,
33 0x12, 0x34, 0x56, 0x78,
34 0x11, 0x12, 0x14, 0x18,
35 0x22, 0x24, 0x26, 0x28,
36 0x33, 0x34, 0x35, 0x36,
37 0x44, 0x45, 0x46, 0x47,
38 0x55, 0x56, 0x57, 0x58};
39 } // namespace
40
TEST(RtcpPacketSenderReportTest,CreateWithoutReportBlocks)41 TEST(RtcpPacketSenderReportTest, CreateWithoutReportBlocks) {
42 SenderReport sr;
43 sr.SetSenderSsrc(kSenderSsrc);
44 sr.SetNtp(kNtp);
45 sr.SetRtpTimestamp(kRtpTimestamp);
46 sr.SetPacketCount(kPacketCount);
47 sr.SetOctetCount(kOctetCount);
48
49 rtc::Buffer raw = sr.Build();
50 EXPECT_THAT(make_tuple(raw.data(), raw.size()), ElementsAreArray(kPacket));
51 }
52
TEST(RtcpPacketSenderReportTest,ParseWithoutReportBlocks)53 TEST(RtcpPacketSenderReportTest, ParseWithoutReportBlocks) {
54 SenderReport parsed;
55 EXPECT_TRUE(test::ParseSinglePacket(kPacket, &parsed));
56
57 EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc());
58 EXPECT_EQ(kNtp, parsed.ntp());
59 EXPECT_EQ(kRtpTimestamp, parsed.rtp_timestamp());
60 EXPECT_EQ(kPacketCount, parsed.sender_packet_count());
61 EXPECT_EQ(kOctetCount, parsed.sender_octet_count());
62 EXPECT_TRUE(parsed.report_blocks().empty());
63 }
64
TEST(RtcpPacketSenderReportTest,CreateAndParseWithOneReportBlock)65 TEST(RtcpPacketSenderReportTest, CreateAndParseWithOneReportBlock) {
66 ReportBlock rb;
67 rb.SetMediaSsrc(kRemoteSsrc);
68
69 SenderReport sr;
70 sr.SetSenderSsrc(kSenderSsrc);
71 EXPECT_TRUE(sr.AddReportBlock(rb));
72
73 rtc::Buffer raw = sr.Build();
74 SenderReport parsed;
75 EXPECT_TRUE(test::ParseSinglePacket(raw, &parsed));
76
77 EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc());
78 EXPECT_EQ(1u, parsed.report_blocks().size());
79 EXPECT_EQ(kRemoteSsrc, parsed.report_blocks()[0].source_ssrc());
80 }
81
TEST(RtcpPacketSenderReportTest,CreateAndParseWithTwoReportBlocks)82 TEST(RtcpPacketSenderReportTest, CreateAndParseWithTwoReportBlocks) {
83 ReportBlock rb1;
84 rb1.SetMediaSsrc(kRemoteSsrc);
85 ReportBlock rb2;
86 rb2.SetMediaSsrc(kRemoteSsrc + 1);
87
88 SenderReport sr;
89 sr.SetSenderSsrc(kSenderSsrc);
90 EXPECT_TRUE(sr.AddReportBlock(rb1));
91 EXPECT_TRUE(sr.AddReportBlock(rb2));
92
93 rtc::Buffer raw = sr.Build();
94 SenderReport parsed;
95 EXPECT_TRUE(test::ParseSinglePacket(raw, &parsed));
96
97 EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc());
98 EXPECT_EQ(2u, parsed.report_blocks().size());
99 EXPECT_EQ(kRemoteSsrc, parsed.report_blocks()[0].source_ssrc());
100 EXPECT_EQ(kRemoteSsrc + 1, parsed.report_blocks()[1].source_ssrc());
101 }
102
TEST(RtcpPacketSenderReportTest,CreateWithTooManyReportBlocks)103 TEST(RtcpPacketSenderReportTest, CreateWithTooManyReportBlocks) {
104 SenderReport sr;
105 sr.SetSenderSsrc(kSenderSsrc);
106 ReportBlock rb;
107 for (size_t i = 0; i < SenderReport::kMaxNumberOfReportBlocks; ++i) {
108 rb.SetMediaSsrc(kRemoteSsrc + i);
109 EXPECT_TRUE(sr.AddReportBlock(rb));
110 }
111 rb.SetMediaSsrc(kRemoteSsrc + SenderReport::kMaxNumberOfReportBlocks);
112 EXPECT_FALSE(sr.AddReportBlock(rb));
113 }
114
TEST(RtcpPacketSenderReportTest,SetReportBlocksOverwritesOldBlocks)115 TEST(RtcpPacketSenderReportTest, SetReportBlocksOverwritesOldBlocks) {
116 SenderReport sr;
117 ReportBlock report_block;
118 // Use jitter field of the report blocks to distinguish them.
119 report_block.SetJitter(1001u);
120 sr.AddReportBlock(report_block);
121 ASSERT_EQ(sr.report_blocks().size(), 1u);
122 ASSERT_EQ(sr.report_blocks()[0].jitter(), 1001u);
123
124 std::vector<ReportBlock> blocks(3u);
125 blocks[0].SetJitter(2001u);
126 blocks[1].SetJitter(3001u);
127 blocks[2].SetJitter(4001u);
128 EXPECT_TRUE(sr.SetReportBlocks(blocks));
129 ASSERT_EQ(sr.report_blocks().size(), 3u);
130 EXPECT_EQ(sr.report_blocks()[0].jitter(), 2001u);
131 EXPECT_EQ(sr.report_blocks()[1].jitter(), 3001u);
132 EXPECT_EQ(sr.report_blocks()[2].jitter(), 4001u);
133 }
134
TEST(RtcpPacketSenderReportTest,SetReportBlocksMaxLimit)135 TEST(RtcpPacketSenderReportTest, SetReportBlocksMaxLimit) {
136 SenderReport sr;
137 std::vector<ReportBlock> max_blocks(SenderReport::kMaxNumberOfReportBlocks);
138 EXPECT_TRUE(sr.SetReportBlocks(std::move(max_blocks)));
139
140 std::vector<ReportBlock> one_too_many_blocks(
141 SenderReport::kMaxNumberOfReportBlocks + 1);
142 EXPECT_FALSE(sr.SetReportBlocks(std::move(one_too_many_blocks)));
143 }
144
145 } // namespace webrtc
146