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1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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26 SendTimeHistoryTest() | 26 SendTimeHistoryTest() |
27 : clock_(0), history_(&clock_, kDefaultHistoryLengthMs) {} | 27 : clock_(0), history_(&clock_, kDefaultHistoryLengthMs) {} |
28 ~SendTimeHistoryTest() {} | 28 ~SendTimeHistoryTest() {} |
29 | 29 |
30 virtual void SetUp() {} | 30 virtual void SetUp() {} |
31 | 31 |
32 virtual void TearDown() {} | 32 virtual void TearDown() {} |
33 | 33 |
34 void AddPacketWithSendTime(uint16_t sequence_number, | 34 void AddPacketWithSendTime(uint16_t sequence_number, |
35 size_t length, | 35 size_t length, |
| 36 bool was_paced, |
36 int64_t send_time_ms, | 37 int64_t send_time_ms, |
37 int probe_cluster_id) { | 38 int probe_cluster_id) { |
38 history_.AddAndRemoveOld(sequence_number, length, probe_cluster_id); | 39 history_.AddAndRemoveOld(sequence_number, length, was_paced, |
| 40 probe_cluster_id); |
39 history_.OnSentPacket(sequence_number, send_time_ms); | 41 history_.OnSentPacket(sequence_number, send_time_ms); |
40 } | 42 } |
41 | 43 |
42 webrtc::SimulatedClock clock_; | 44 webrtc::SimulatedClock clock_; |
43 SendTimeHistory history_; | 45 SendTimeHistory history_; |
44 }; | 46 }; |
45 | 47 |
46 // Help class extended so we can do EXPECT_EQ and collections. | 48 // Help class extended so we can do EXPECT_EQ and collections. |
47 class PacketInfo : public webrtc::PacketInfo { | 49 class PacketInfo : public webrtc::PacketInfo { |
48 public: | 50 public: |
| 51 PacketInfo() |
| 52 : webrtc::PacketInfo(-1, |
| 53 0, |
| 54 0, |
| 55 0, |
| 56 0, |
| 57 false, |
| 58 webrtc::PacketInfo::kNotAProbe) {} |
49 PacketInfo(int64_t arrival_time_ms, uint16_t sequence_number) | 59 PacketInfo(int64_t arrival_time_ms, uint16_t sequence_number) |
50 : PacketInfo(arrival_time_ms, | 60 : PacketInfo(arrival_time_ms, |
51 0, | 61 0, |
52 sequence_number, | 62 sequence_number, |
53 0, | 63 0, |
| 64 false, |
54 PacketInfo::kNotAProbe) {} | 65 PacketInfo::kNotAProbe) {} |
55 PacketInfo(int64_t arrival_time_ms, | 66 PacketInfo(int64_t arrival_time_ms, |
56 int64_t send_time_ms, | 67 int64_t send_time_ms, |
57 uint16_t sequence_number, | 68 uint16_t sequence_number, |
58 size_t payload_size, | 69 size_t payload_size, |
| 70 bool was_paced, |
59 int probe_cluster_id) | 71 int probe_cluster_id) |
60 : webrtc::PacketInfo(-1, | 72 : webrtc::PacketInfo(-1, |
61 arrival_time_ms, | 73 arrival_time_ms, |
62 send_time_ms, | 74 send_time_ms, |
63 sequence_number, | 75 sequence_number, |
64 payload_size, | 76 payload_size, |
| 77 was_paced, |
65 probe_cluster_id) {} | 78 probe_cluster_id) {} |
66 bool operator==(const PacketInfo& other) const { | 79 bool operator==(const PacketInfo& other) const { |
67 return arrival_time_ms == other.arrival_time_ms && | 80 return arrival_time_ms == other.arrival_time_ms && |
68 send_time_ms == other.send_time_ms && | 81 send_time_ms == other.send_time_ms && |
69 sequence_number == other.sequence_number && | 82 sequence_number == other.sequence_number && |
70 payload_size == other.payload_size && | 83 payload_size == other.payload_size && was_paced == other.was_paced && |
71 probe_cluster_id == other.probe_cluster_id; | 84 probe_cluster_id == other.probe_cluster_id; |
72 } | 85 } |
73 }; | 86 }; |
74 | 87 |
75 TEST_F(SendTimeHistoryTest, AddRemoveOne) { | 88 TEST_F(SendTimeHistoryTest, AddRemoveOne) { |
76 const uint16_t kSeqNo = 10; | 89 const uint16_t kSeqNo = 10; |
77 const int kProbeClusterId = 0; | 90 const int kProbeClusterId = 0; |
78 const PacketInfo kSentPacket(0, 1, kSeqNo, 1, kProbeClusterId); | 91 const PacketInfo kSentPacket(0, 1, kSeqNo, 1, true, kProbeClusterId); |
79 AddPacketWithSendTime(kSeqNo, 1, 1, kProbeClusterId); | 92 AddPacketWithSendTime(kSeqNo, 1, true, 1, kProbeClusterId); |
80 | 93 |
81 PacketInfo received_packet(0, 0, kSeqNo, 0, kProbeClusterId); | 94 PacketInfo received_packet(0, 0, kSeqNo, 0, false, kProbeClusterId); |
82 EXPECT_TRUE(history_.GetInfo(&received_packet, false)); | 95 EXPECT_TRUE(history_.GetInfo(&received_packet, false)); |
83 EXPECT_EQ(kSentPacket, received_packet); | 96 EXPECT_EQ(kSentPacket, received_packet); |
84 | 97 |
85 PacketInfo received_packet2(0, 0, kSeqNo, 0, kProbeClusterId); | 98 PacketInfo received_packet2(0, 0, kSeqNo, 0, false, kProbeClusterId); |
86 EXPECT_TRUE(history_.GetInfo(&received_packet2, true)); | 99 EXPECT_TRUE(history_.GetInfo(&received_packet2, true)); |
87 EXPECT_EQ(kSentPacket, received_packet2); | 100 EXPECT_EQ(kSentPacket, received_packet2); |
88 | 101 |
89 PacketInfo received_packet3(0, 0, kSeqNo, 0, kProbeClusterId); | 102 PacketInfo received_packet3(0, 0, kSeqNo, 0, false, kProbeClusterId); |
90 EXPECT_FALSE(history_.GetInfo(&received_packet3, true)); | 103 EXPECT_FALSE(history_.GetInfo(&received_packet3, true)); |
91 } | 104 } |
92 | 105 |
93 TEST_F(SendTimeHistoryTest, PopulatesExpectedFields) { | 106 TEST_F(SendTimeHistoryTest, PopulatesExpectedFields) { |
94 const uint16_t kSeqNo = 10; | 107 const uint16_t kSeqNo = 10; |
95 const int64_t kSendTime = 1000; | 108 const int64_t kSendTime = 1000; |
96 const int64_t kReceiveTime = 2000; | 109 const int64_t kReceiveTime = 2000; |
97 const size_t kPayloadSize = 42; | 110 const size_t kPayloadSize = 42; |
| 111 const bool kPaced = true; |
98 | 112 |
99 AddPacketWithSendTime(kSeqNo, kPayloadSize, kSendTime, | 113 AddPacketWithSendTime(kSeqNo, kPayloadSize, kPaced, kSendTime, |
100 PacketInfo::kNotAProbe); | 114 PacketInfo::kNotAProbe); |
101 | 115 |
102 PacketInfo info(kReceiveTime, kSeqNo); | 116 PacketInfo info(kReceiveTime, kSeqNo); |
103 EXPECT_TRUE(history_.GetInfo(&info, true)); | 117 EXPECT_TRUE(history_.GetInfo(&info, true)); |
104 EXPECT_EQ(kReceiveTime, info.arrival_time_ms); | 118 EXPECT_EQ(kReceiveTime, info.arrival_time_ms); |
105 EXPECT_EQ(kSendTime, info.send_time_ms); | 119 EXPECT_EQ(kSendTime, info.send_time_ms); |
106 EXPECT_EQ(kSeqNo, info.sequence_number); | 120 EXPECT_EQ(kSeqNo, info.sequence_number); |
107 EXPECT_EQ(kPayloadSize, info.payload_size); | 121 EXPECT_EQ(kPayloadSize, info.payload_size); |
| 122 EXPECT_EQ(kPaced, info.was_paced); |
108 } | 123 } |
109 | 124 |
110 TEST_F(SendTimeHistoryTest, AddThenRemoveOutOfOrder) { | 125 TEST_F(SendTimeHistoryTest, AddThenRemoveOutOfOrder) { |
111 std::vector<PacketInfo> sent_packets; | 126 std::vector<PacketInfo> sent_packets; |
112 std::vector<PacketInfo> received_packets; | 127 std::vector<PacketInfo> received_packets; |
113 const size_t num_items = 100; | 128 const size_t num_items = 100; |
114 const size_t kPacketSize = 400; | 129 const size_t kPacketSize = 400; |
115 const size_t kTransmissionTime = 1234; | 130 const size_t kTransmissionTime = 1234; |
| 131 const bool kPaced = true; |
116 const int kProbeClusterId = 1; | 132 const int kProbeClusterId = 1; |
117 for (size_t i = 0; i < num_items; ++i) { | 133 for (size_t i = 0; i < num_items; ++i) { |
118 sent_packets.push_back(PacketInfo(0, static_cast<int64_t>(i), | 134 sent_packets.push_back(PacketInfo(0, static_cast<int64_t>(i), |
119 static_cast<uint16_t>(i), kPacketSize, | 135 static_cast<uint16_t>(i), kPacketSize, |
120 kProbeClusterId)); | 136 kPaced, kProbeClusterId)); |
121 received_packets.push_back(PacketInfo( | 137 received_packets.push_back(PacketInfo( |
122 static_cast<int64_t>(i) + kTransmissionTime, 0, | 138 static_cast<int64_t>(i) + kTransmissionTime, 0, |
123 static_cast<uint16_t>(i), kPacketSize, PacketInfo::kNotAProbe)); | 139 static_cast<uint16_t>(i), kPacketSize, false, PacketInfo::kNotAProbe)); |
124 } | 140 } |
125 for (size_t i = 0; i < num_items; ++i) { | 141 for (size_t i = 0; i < num_items; ++i) { |
126 history_.AddAndRemoveOld(sent_packets[i].sequence_number, | 142 history_.AddAndRemoveOld( |
127 sent_packets[i].payload_size, | 143 sent_packets[i].sequence_number, sent_packets[i].payload_size, |
128 sent_packets[i].probe_cluster_id); | 144 sent_packets[i].was_paced, sent_packets[i].probe_cluster_id); |
129 } | 145 } |
130 for (size_t i = 0; i < num_items; ++i) | 146 for (size_t i = 0; i < num_items; ++i) |
131 history_.OnSentPacket(sent_packets[i].sequence_number, | 147 history_.OnSentPacket(sent_packets[i].sequence_number, |
132 sent_packets[i].send_time_ms); | 148 sent_packets[i].send_time_ms); |
133 std::random_shuffle(received_packets.begin(), received_packets.end()); | 149 std::random_shuffle(received_packets.begin(), received_packets.end()); |
134 for (size_t i = 0; i < num_items; ++i) { | 150 for (size_t i = 0; i < num_items; ++i) { |
135 PacketInfo packet = received_packets[i]; | 151 PacketInfo packet = received_packets[i]; |
136 EXPECT_TRUE(history_.GetInfo(&packet, false)); | 152 EXPECT_TRUE(history_.GetInfo(&packet, false)); |
137 PacketInfo sent_packet = sent_packets[packet.sequence_number]; | 153 PacketInfo sent_packet = sent_packets[packet.sequence_number]; |
138 sent_packet.arrival_time_ms = packet.arrival_time_ms; | 154 sent_packet.arrival_time_ms = packet.arrival_time_ms; |
139 EXPECT_EQ(sent_packet, packet); | 155 EXPECT_EQ(sent_packet, packet); |
140 EXPECT_TRUE(history_.GetInfo(&packet, true)); | 156 EXPECT_TRUE(history_.GetInfo(&packet, true)); |
141 } | 157 } |
142 for (PacketInfo packet : sent_packets) | 158 for (PacketInfo packet : sent_packets) |
143 EXPECT_FALSE(history_.GetInfo(&packet, false)); | 159 EXPECT_FALSE(history_.GetInfo(&packet, false)); |
144 } | 160 } |
145 | 161 |
146 TEST_F(SendTimeHistoryTest, HistorySize) { | 162 TEST_F(SendTimeHistoryTest, HistorySize) { |
147 const int kItems = kDefaultHistoryLengthMs / 100; | 163 const int kItems = kDefaultHistoryLengthMs / 100; |
148 for (int i = 0; i < kItems; ++i) { | 164 for (int i = 0; i < kItems; ++i) { |
149 clock_.AdvanceTimeMilliseconds(100); | 165 clock_.AdvanceTimeMilliseconds(100); |
150 AddPacketWithSendTime(i, 0, i * 100, PacketInfo::kNotAProbe); | 166 AddPacketWithSendTime(i, 0, false, i * 100, PacketInfo::kNotAProbe); |
151 } | 167 } |
152 for (int i = 0; i < kItems; ++i) { | 168 for (int i = 0; i < kItems; ++i) { |
153 PacketInfo info(0, 0, static_cast<uint16_t>(i), 0, PacketInfo::kNotAProbe); | 169 PacketInfo info(0, 0, static_cast<uint16_t>(i), 0, false, |
| 170 PacketInfo::kNotAProbe); |
154 EXPECT_TRUE(history_.GetInfo(&info, false)); | 171 EXPECT_TRUE(history_.GetInfo(&info, false)); |
155 EXPECT_EQ(i * 100, info.send_time_ms); | 172 EXPECT_EQ(i * 100, info.send_time_ms); |
156 } | 173 } |
157 clock_.AdvanceTimeMilliseconds(101); | 174 clock_.AdvanceTimeMilliseconds(101); |
158 AddPacketWithSendTime(kItems, 0, kItems * 101, PacketInfo::kNotAProbe); | 175 AddPacketWithSendTime(kItems, 0, false, kItems * 101, PacketInfo::kNotAProbe); |
159 PacketInfo info(0, 0, 0, 0, PacketInfo::kNotAProbe); | 176 PacketInfo info(0, 0, 0, 0, false, PacketInfo::kNotAProbe); |
160 EXPECT_FALSE(history_.GetInfo(&info, false)); | 177 EXPECT_FALSE(history_.GetInfo(&info, false)); |
161 for (int i = 1; i < (kItems + 1); ++i) { | 178 for (int i = 1; i < (kItems + 1); ++i) { |
162 PacketInfo info2(0, 0, static_cast<uint16_t>(i), 0, PacketInfo::kNotAProbe); | 179 PacketInfo info2(0, 0, static_cast<uint16_t>(i), 0, false, |
| 180 PacketInfo::kNotAProbe); |
163 EXPECT_TRUE(history_.GetInfo(&info2, false)); | 181 EXPECT_TRUE(history_.GetInfo(&info2, false)); |
164 int64_t expected_time_ms = (i == kItems) ? i * 101 : i * 100; | 182 int64_t expected_time_ms = (i == kItems) ? i * 101 : i * 100; |
165 EXPECT_EQ(expected_time_ms, info2.send_time_ms); | 183 EXPECT_EQ(expected_time_ms, info2.send_time_ms); |
166 } | 184 } |
167 } | 185 } |
168 | 186 |
169 TEST_F(SendTimeHistoryTest, HistorySizeWithWraparound) { | 187 TEST_F(SendTimeHistoryTest, HistorySizeWithWraparound) { |
170 const uint16_t kMaxSeqNo = std::numeric_limits<uint16_t>::max(); | 188 const uint16_t kMaxSeqNo = std::numeric_limits<uint16_t>::max(); |
171 AddPacketWithSendTime(kMaxSeqNo - 2, 0, 0, PacketInfo::kNotAProbe); | 189 AddPacketWithSendTime(kMaxSeqNo - 2, 0, false, 0, PacketInfo::kNotAProbe); |
172 | 190 |
173 clock_.AdvanceTimeMilliseconds(100); | 191 clock_.AdvanceTimeMilliseconds(100); |
174 AddPacketWithSendTime(kMaxSeqNo - 1, 1, 100, PacketInfo::kNotAProbe); | 192 AddPacketWithSendTime(kMaxSeqNo - 1, 1, false, 100, PacketInfo::kNotAProbe); |
175 | 193 |
176 clock_.AdvanceTimeMilliseconds(100); | 194 clock_.AdvanceTimeMilliseconds(100); |
177 AddPacketWithSendTime(kMaxSeqNo, 0, 200, PacketInfo::kNotAProbe); | 195 AddPacketWithSendTime(kMaxSeqNo, 0, false, 200, PacketInfo::kNotAProbe); |
178 | 196 |
179 clock_.AdvanceTimeMilliseconds(kDefaultHistoryLengthMs - 200 + 1); | 197 clock_.AdvanceTimeMilliseconds(kDefaultHistoryLengthMs - 200 + 1); |
180 AddPacketWithSendTime(0, 0, kDefaultHistoryLengthMs, PacketInfo::kNotAProbe); | 198 AddPacketWithSendTime(0, 0, false, kDefaultHistoryLengthMs, |
| 199 PacketInfo::kNotAProbe); |
181 | 200 |
182 PacketInfo info(0, static_cast<uint16_t>(kMaxSeqNo - 2)); | 201 PacketInfo info(0, static_cast<uint16_t>(kMaxSeqNo - 2)); |
183 EXPECT_FALSE(history_.GetInfo(&info, false)); | 202 EXPECT_FALSE(history_.GetInfo(&info, false)); |
184 PacketInfo info2(0, static_cast<uint16_t>(kMaxSeqNo - 1)); | 203 PacketInfo info2(0, static_cast<uint16_t>(kMaxSeqNo - 1)); |
185 EXPECT_TRUE(history_.GetInfo(&info2, false)); | 204 EXPECT_TRUE(history_.GetInfo(&info2, false)); |
186 PacketInfo info3(0, static_cast<uint16_t>(kMaxSeqNo)); | 205 PacketInfo info3(0, static_cast<uint16_t>(kMaxSeqNo)); |
187 EXPECT_TRUE(history_.GetInfo(&info3, false)); | 206 EXPECT_TRUE(history_.GetInfo(&info3, false)); |
188 PacketInfo info4(0, 0); | 207 PacketInfo info4(0, 0); |
189 EXPECT_TRUE(history_.GetInfo(&info4, false)); | 208 EXPECT_TRUE(history_.GetInfo(&info4, false)); |
190 | 209 |
191 // Create a gap (kMaxSeqNo - 1) -> 0. | 210 // Create a gap (kMaxSeqNo - 1) -> 0. |
192 PacketInfo info5(0, kMaxSeqNo); | 211 PacketInfo info5(0, kMaxSeqNo); |
193 EXPECT_TRUE(history_.GetInfo(&info5, true)); | 212 EXPECT_TRUE(history_.GetInfo(&info5, true)); |
194 | 213 |
195 clock_.AdvanceTimeMilliseconds(100); | 214 clock_.AdvanceTimeMilliseconds(100); |
196 AddPacketWithSendTime(1, 0, 1100, PacketInfo::kNotAProbe); | 215 AddPacketWithSendTime(1, 0, false, 1100, PacketInfo::kNotAProbe); |
197 | 216 |
198 PacketInfo info6(0, static_cast<uint16_t>(kMaxSeqNo - 2)); | 217 PacketInfo info6(0, static_cast<uint16_t>(kMaxSeqNo - 2)); |
199 EXPECT_FALSE(history_.GetInfo(&info6, false)); | 218 EXPECT_FALSE(history_.GetInfo(&info6, false)); |
200 PacketInfo info7(0, static_cast<uint16_t>(kMaxSeqNo - 1)); | 219 PacketInfo info7(0, static_cast<uint16_t>(kMaxSeqNo - 1)); |
201 EXPECT_FALSE(history_.GetInfo(&info7, false)); | 220 EXPECT_FALSE(history_.GetInfo(&info7, false)); |
202 PacketInfo info8(0, kMaxSeqNo); | 221 PacketInfo info8(0, kMaxSeqNo); |
203 EXPECT_FALSE(history_.GetInfo(&info8, false)); | 222 EXPECT_FALSE(history_.GetInfo(&info8, false)); |
204 PacketInfo info9(0, 0); | 223 PacketInfo info9(0, 0); |
205 EXPECT_TRUE(history_.GetInfo(&info9, false)); | 224 EXPECT_TRUE(history_.GetInfo(&info9, false)); |
206 PacketInfo info10(0, 1); | 225 PacketInfo info10(0, 1); |
207 EXPECT_TRUE(history_.GetInfo(&info10, false)); | 226 EXPECT_TRUE(history_.GetInfo(&info10, false)); |
208 } | 227 } |
209 | 228 |
210 TEST_F(SendTimeHistoryTest, InterlievedGetAndRemove) { | 229 TEST_F(SendTimeHistoryTest, InterlievedGetAndRemove) { |
211 const uint16_t kSeqNo = 1; | 230 const uint16_t kSeqNo = 1; |
212 const int64_t kTimestamp = 2; | 231 const int64_t kTimestamp = 2; |
213 PacketInfo packets[3] = {{0, kTimestamp, kSeqNo, 0, 0}, | 232 PacketInfo packets[3] = {{0, kTimestamp, kSeqNo, 0, false, 0}, |
214 {0, kTimestamp + 1, kSeqNo + 1, 0, 1}, | 233 {0, kTimestamp + 1, kSeqNo + 1, 0, false, 1}, |
215 {0, kTimestamp + 2, kSeqNo + 2, 0, 2}}; | 234 {0, kTimestamp + 2, kSeqNo + 2, 0, false, 2}}; |
216 | 235 |
217 AddPacketWithSendTime(packets[0].sequence_number, packets[0].payload_size, | 236 AddPacketWithSendTime(packets[0].sequence_number, packets[0].payload_size, |
218 packets[0].send_time_ms, 0); | 237 packets[0].was_paced, packets[0].send_time_ms, 0); |
219 AddPacketWithSendTime(packets[1].sequence_number, packets[1].payload_size, | 238 AddPacketWithSendTime(packets[1].sequence_number, packets[1].payload_size, |
220 packets[1].send_time_ms, 1); | 239 packets[1].was_paced, packets[1].send_time_ms, 1); |
221 PacketInfo info(0, 0, packets[0].sequence_number, 0, 0); | 240 PacketInfo info(0, 0, packets[0].sequence_number, 0, false, 0); |
222 EXPECT_TRUE(history_.GetInfo(&info, true)); | 241 EXPECT_TRUE(history_.GetInfo(&info, true)); |
223 EXPECT_EQ(packets[0], info); | 242 EXPECT_EQ(packets[0], info); |
224 | 243 |
225 AddPacketWithSendTime(packets[2].sequence_number, packets[2].payload_size, | 244 AddPacketWithSendTime(packets[2].sequence_number, packets[2].payload_size, |
226 packets[2].send_time_ms, 2); | 245 packets[2].was_paced, packets[2].send_time_ms, 2); |
227 | 246 |
228 PacketInfo info2(0, 0, packets[1].sequence_number, 0, 1); | 247 PacketInfo info2(0, 0, packets[1].sequence_number, 0, false, 1); |
229 EXPECT_TRUE(history_.GetInfo(&info2, true)); | 248 EXPECT_TRUE(history_.GetInfo(&info2, true)); |
230 EXPECT_EQ(packets[1], info2); | 249 EXPECT_EQ(packets[1], info2); |
231 | 250 |
232 PacketInfo info3(0, 0, packets[2].sequence_number, 0, 2); | 251 PacketInfo info3(0, 0, packets[2].sequence_number, 0, false, 2); |
233 EXPECT_TRUE(history_.GetInfo(&info3, true)); | 252 EXPECT_TRUE(history_.GetInfo(&info3, true)); |
234 EXPECT_EQ(packets[2], info3); | 253 EXPECT_EQ(packets[2], info3); |
235 } | 254 } |
236 | 255 |
237 } // namespace test | 256 } // namespace test |
238 } // namespace webrtc | 257 } // namespace webrtc |
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