| /* |
| * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/receiver_report.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using webrtc::rtcp::RawPacket; |
| using webrtc::rtcp::ReceiverReport; |
| using webrtc::rtcp::ReportBlock; |
| using webrtc::RTCPUtility::RtcpCommonHeader; |
| using webrtc::RTCPUtility::RtcpParseCommonHeader; |
| |
| namespace webrtc { |
| namespace { |
| const uint32_t kSenderSsrc = 0x12345678; |
| const uint32_t kRemoteSsrc = 0x23456789; |
| const uint8_t kFractionLost = 55; |
| const uint32_t kCumulativeLost = 0x111213; |
| const uint32_t kExtHighestSeqNum = 0x22232425; |
| const uint32_t kJitter = 0x33343536; |
| const uint32_t kLastSr = 0x44454647; |
| const uint32_t kDelayLastSr = 0x55565758; |
| // Manually created ReceiverReport with one ReportBlock matching constants |
| // above. |
| // Having this block allows to test Create and Parse separately. |
| const uint8_t kPacket[] = {0x81, 201, 0x00, 0x07, 0x12, 0x34, 0x56, 0x78, |
| 0x23, 0x45, 0x67, 0x89, 55, 0x11, 0x12, 0x13, |
| 0x22, 0x23, 0x24, 0x25, 0x33, 0x34, 0x35, 0x36, |
| 0x44, 0x45, 0x46, 0x47, 0x55, 0x56, 0x57, 0x58}; |
| const size_t kPacketLength = sizeof(kPacket); |
| |
| class RtcpPacketReceiverReportTest : public ::testing::Test { |
| protected: |
| void BuildPacket() { packet = rr.Build().Pass(); } |
| void ParsePacket() { |
| RtcpCommonHeader header; |
| EXPECT_TRUE( |
| RtcpParseCommonHeader(packet->Buffer(), packet->Length(), &header)); |
| EXPECT_EQ(header.BlockSize(), packet->Length()); |
| EXPECT_TRUE(parsed_.Parse( |
| header, packet->Buffer() + RtcpCommonHeader::kHeaderSizeBytes)); |
| } |
| |
| ReceiverReport rr; |
| rtc::scoped_ptr<RawPacket> packet; |
| const ReceiverReport& parsed() { return parsed_; } |
| |
| private: |
| ReceiverReport parsed_; |
| }; |
| |
| TEST_F(RtcpPacketReceiverReportTest, Parse) { |
| RtcpCommonHeader header; |
| RtcpParseCommonHeader(kPacket, kPacketLength, &header); |
| EXPECT_TRUE(rr.Parse(header, kPacket + RtcpCommonHeader::kHeaderSizeBytes)); |
| const ReceiverReport& parsed = rr; |
| |
| EXPECT_EQ(kSenderSsrc, parsed.sender_ssrc()); |
| EXPECT_EQ(1u, parsed.report_blocks().size()); |
| const ReportBlock& rb = parsed.report_blocks().front(); |
| EXPECT_EQ(kRemoteSsrc, rb.source_ssrc()); |
| EXPECT_EQ(kFractionLost, rb.fraction_lost()); |
| EXPECT_EQ(kCumulativeLost, rb.cumulative_lost()); |
| EXPECT_EQ(kExtHighestSeqNum, rb.extended_high_seq_num()); |
| EXPECT_EQ(kJitter, rb.jitter()); |
| EXPECT_EQ(kLastSr, rb.last_sr()); |
| EXPECT_EQ(kDelayLastSr, rb.delay_since_last_sr()); |
| } |
| |
| TEST_F(RtcpPacketReceiverReportTest, ParseFailsOnIncorrectSize) { |
| RtcpCommonHeader header; |
| RtcpParseCommonHeader(kPacket, kPacketLength, &header); |
| header.count_or_format++; // Damage the packet. |
| EXPECT_FALSE(rr.Parse(header, kPacket + RtcpCommonHeader::kHeaderSizeBytes)); |
| } |
| |
| TEST_F(RtcpPacketReceiverReportTest, Create) { |
| rr.From(kSenderSsrc); |
| ReportBlock rb; |
| rb.To(kRemoteSsrc); |
| rb.WithFractionLost(kFractionLost); |
| rb.WithCumulativeLost(kCumulativeLost); |
| rb.WithExtHighestSeqNum(kExtHighestSeqNum); |
| rb.WithJitter(kJitter); |
| rb.WithLastSr(kLastSr); |
| rb.WithDelayLastSr(kDelayLastSr); |
| rr.WithReportBlock(rb); |
| |
| BuildPacket(); |
| |
| ASSERT_EQ(kPacketLength, packet->Length()); |
| EXPECT_EQ(0, memcmp(kPacket, packet->Buffer(), kPacketLength)); |
| } |
| |
| TEST_F(RtcpPacketReceiverReportTest, WithoutReportBlocks) { |
| rr.From(kSenderSsrc); |
| |
| BuildPacket(); |
| ParsePacket(); |
| |
| EXPECT_EQ(kSenderSsrc, parsed().sender_ssrc()); |
| EXPECT_EQ(0u, parsed().report_blocks().size()); |
| } |
| |
| TEST_F(RtcpPacketReceiverReportTest, WithTwoReportBlocks) { |
| ReportBlock rb1; |
| rb1.To(kRemoteSsrc); |
| ReportBlock rb2; |
| rb2.To(kRemoteSsrc + 1); |
| |
| rr.From(kSenderSsrc); |
| EXPECT_TRUE(rr.WithReportBlock(rb1)); |
| EXPECT_TRUE(rr.WithReportBlock(rb2)); |
| |
| BuildPacket(); |
| ParsePacket(); |
| |
| EXPECT_EQ(kSenderSsrc, parsed().sender_ssrc()); |
| EXPECT_EQ(2u, parsed().report_blocks().size()); |
| EXPECT_EQ(kRemoteSsrc, parsed().report_blocks()[0].source_ssrc()); |
| EXPECT_EQ(kRemoteSsrc + 1, parsed().report_blocks()[1].source_ssrc()); |
| } |
| |
| TEST_F(RtcpPacketReceiverReportTest, WithTooManyReportBlocks) { |
| rr.From(kSenderSsrc); |
| const size_t kMaxReportBlocks = (1 << 5) - 1; |
| ReportBlock rb; |
| for (size_t i = 0; i < kMaxReportBlocks; ++i) { |
| rb.To(kRemoteSsrc + i); |
| EXPECT_TRUE(rr.WithReportBlock(rb)); |
| } |
| rb.To(kRemoteSsrc + kMaxReportBlocks); |
| EXPECT_FALSE(rr.WithReportBlock(rb)); |
| } |
| |
| } // namespace |
| } // namespace webrtc |