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RtcpFunctionalityTest.cpp
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#include "WebRTCClientTestFixture.h"
namespace com {
namespace amazonaws {
namespace kinesis {
namespace video {
namespace webrtcclient {
class RtcpFunctionalityTest : public WebRtcClientTestBase {
public:
PKvsRtpTransceiver pKvsRtpTransceiver = nullptr;
PKvsPeerConnection pKvsPeerConnection = nullptr;
PRtcPeerConnection pRtcPeerConnection = nullptr;
PRtcRtpTransceiver pRtcRtpTransceiver = nullptr;
STATUS initTransceiver(UINT32 ssrc)
{
RtcConfiguration config{};
EXPECT_EQ(STATUS_SUCCESS, createPeerConnection(&config, &pRtcPeerConnection));
pKvsPeerConnection = reinterpret_cast<PKvsPeerConnection>(pRtcPeerConnection);
pRtcRtpTransceiver = addTransceiver(ssrc);
pKvsRtpTransceiver = reinterpret_cast<PKvsRtpTransceiver>(pRtcRtpTransceiver);
return STATUS_SUCCESS;
}
PRtcRtpTransceiver addTransceiver(UINT32 ssrc)
{
RtcMediaStreamTrack track{};
track.codec = RTC_CODEC_VP8;
PRtcRtpTransceiver out = nullptr;
EXPECT_EQ(STATUS_SUCCESS, ::addTransceiver(pRtcPeerConnection, &track, nullptr, &out));
((PKvsRtpTransceiver) out)->sender.ssrc = ssrc;
return out;
}
};
TEST_F(RtcpFunctionalityTest, setRtpPacketFromBytes)
{
RtcpPacket rtcpPacket;
MEMSET(&rtcpPacket, 0x00, SIZEOF(RtcpPacket));
// Assert that we don't parse buffers that aren't even large enough
BYTE headerTooSmall[] = {0x00, 0x00, 0x00};
EXPECT_EQ(STATUS_RTCP_INPUT_PACKET_TOO_SMALL, setRtcpPacketFromBytes(headerTooSmall, SIZEOF(headerTooSmall), &rtcpPacket));
// Assert that we check version field
BYTE invalidVersionValue[] = {0x01, 0xcd, 0x00, 0x03, 0x2c, 0xd1, 0xa0, 0xde, 0x00, 0x00, 0xab, 0xe0, 0x00, 0xa4, 0x00, 0x00};
EXPECT_EQ(STATUS_RTCP_INPUT_PACKET_INVALID_VERSION, setRtcpPacketFromBytes(invalidVersionValue, SIZEOF(invalidVersionValue), &rtcpPacket));
// Assert that we check the length field
BYTE invalidLengthValue[] = {0x81, 0xcd, 0x00, 0x00, 0x2c, 0xd1, 0xa0, 0xde, 0x00, 0x00, 0xab, 0xe0, 0x00, 0xa4, 0x00, 0x00};
EXPECT_EQ(STATUS_SUCCESS, setRtcpPacketFromBytes(invalidLengthValue, SIZEOF(invalidLengthValue), &rtcpPacket));
BYTE validRtcpPacket[] = {0x81, 0xcd, 0x00, 0x03, 0x2c, 0xd1, 0xa0, 0xde, 0x00, 0x00, 0xab, 0xe0, 0x00, 0xa4, 0x00, 0x00};
EXPECT_EQ(STATUS_SUCCESS, setRtcpPacketFromBytes(validRtcpPacket, SIZEOF(validRtcpPacket), &rtcpPacket));
EXPECT_EQ(rtcpPacket.header.packetType, RTCP_PACKET_TYPE_GENERIC_RTP_FEEDBACK);
EXPECT_EQ(rtcpPacket.header.receptionReportCount, RTCP_FEEDBACK_MESSAGE_TYPE_NACK);
}
TEST_F(RtcpFunctionalityTest, setRtpPacketFromBytesCompound)
{
RtcpPacket rtcpPacket;
MEMSET(&rtcpPacket, 0x00, SIZEOF(RtcpPacket));
// Compound RTCP Packet that contains SR, SDES and REMB
BYTE compoundPacket[] = {0x80, 0xc8, 0x00, 0x06, 0xf1, 0x2d, 0x7b, 0x4b, 0xe1, 0xe3, 0x20, 0x43, 0xe5, 0x3d, 0x10, 0x2b, 0xbf,
0x58, 0xf7, 0xef, 0x00, 0x00, 0x23, 0xf3, 0x00, 0x6c, 0xd3, 0x75, 0x81, 0xca, 0x00, 0x06, 0xf1, 0x2d,
0x7b, 0x4b, 0x01, 0x10, 0x2f, 0x76, 0x6d, 0x4b, 0x51, 0x6e, 0x47, 0x6e, 0x55, 0x70, 0x4f, 0x2b, 0x70,
0x38, 0x64, 0x52, 0x00, 0x00, 0x8f, 0xce, 0x00, 0x06, 0xf1, 0x2d, 0x7b, 0x4b, 0x00, 0x00, 0x00, 0x00,
0x52, 0x45, 0x4d, 0x42, 0x02, 0x12, 0x2d, 0x97, 0x0c, 0xef, 0x37, 0x0d, 0x2d, 0x07, 0x3d, 0x1d};
auto currentOffset = 0;
EXPECT_EQ(STATUS_SUCCESS, setRtcpPacketFromBytes(compoundPacket + currentOffset, SIZEOF(compoundPacket) - currentOffset, &rtcpPacket));
EXPECT_EQ(rtcpPacket.header.packetType, RTCP_PACKET_TYPE_SENDER_REPORT);
currentOffset += (rtcpPacket.payloadLength + RTCP_PACKET_HEADER_LEN);
EXPECT_EQ(STATUS_SUCCESS, setRtcpPacketFromBytes(compoundPacket + currentOffset, SIZEOF(compoundPacket) - currentOffset, &rtcpPacket));
EXPECT_EQ(rtcpPacket.header.packetType, RTCP_PACKET_TYPE_SOURCE_DESCRIPTION);
currentOffset += (rtcpPacket.payloadLength + RTCP_PACKET_HEADER_LEN);
EXPECT_EQ(STATUS_SUCCESS, setRtcpPacketFromBytes(compoundPacket + currentOffset, SIZEOF(compoundPacket) - currentOffset, &rtcpPacket));
EXPECT_EQ(rtcpPacket.header.packetType, RTCP_PACKET_TYPE_PAYLOAD_SPECIFIC_FEEDBACK);
currentOffset += (rtcpPacket.payloadLength + RTCP_PACKET_HEADER_LEN);
ASSERT_EQ(currentOffset, SIZEOF(compoundPacket));
}
TEST_F(RtcpFunctionalityTest, rtcpNackListGet)
{
UINT32 senderSsrc = 0, receiverSsrc = 0, ssrcListLen = 0;
// Assert that NACK list meets the minimum length requirement
BYTE nackListTooSmall[] = {0x00, 0x00, 0x00};
EXPECT_EQ(STATUS_RTCP_INPUT_NACK_LIST_INVALID,
rtcpNackListGet(nackListTooSmall, SIZEOF(nackListTooSmall), &senderSsrc, &receiverSsrc, NULL, &ssrcListLen));
BYTE nackListMalformed[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
EXPECT_EQ(STATUS_RTCP_INPUT_NACK_LIST_INVALID,
rtcpNackListGet(nackListMalformed, SIZEOF(nackListMalformed), &senderSsrc, &receiverSsrc, NULL, &ssrcListLen));
BYTE nackListSsrcOnly[] = {0x2c, 0xd1, 0xa0, 0xde, 0x00, 0x00, 0xab, 0xe0};
EXPECT_EQ(STATUS_SUCCESS, rtcpNackListGet(nackListSsrcOnly, SIZEOF(nackListSsrcOnly), &senderSsrc, &receiverSsrc, NULL, &ssrcListLen));
EXPECT_EQ(senderSsrc, 0x2cd1a0de);
EXPECT_EQ(receiverSsrc, 0x0000abe0);
BYTE singlePID[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0xa8, 0x00, 0x00};
EXPECT_EQ(STATUS_SUCCESS, rtcpNackListGet(singlePID, SIZEOF(singlePID), &senderSsrc, &receiverSsrc, NULL, &ssrcListLen));
std::unique_ptr<UINT16[]> singlePIDBuffer(new UINT16[ssrcListLen]);
EXPECT_EQ(STATUS_SUCCESS, rtcpNackListGet(singlePID, SIZEOF(singlePID), &senderSsrc, &receiverSsrc, singlePIDBuffer.get(), &ssrcListLen));
EXPECT_EQ(ssrcListLen, 1);
EXPECT_EQ(singlePIDBuffer[0], 3240);
}
TEST_F(RtcpFunctionalityTest, rtcpNackListBLP)
{
UINT32 senderSsrc = 0, receiverSsrc = 0, ssrcListLen = 0;
BYTE singleBLP[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0xa8, 0x00, 0x04};
EXPECT_EQ(STATUS_SUCCESS, rtcpNackListGet(singleBLP, SIZEOF(singleBLP), &senderSsrc, &receiverSsrc, NULL, &ssrcListLen));
std::unique_ptr<UINT16[]> singleBLPBuffer(new UINT16[ssrcListLen]);
EXPECT_EQ(STATUS_SUCCESS, rtcpNackListGet(singleBLP, SIZEOF(singleBLP), &senderSsrc, &receiverSsrc, singleBLPBuffer.get(), &ssrcListLen));
EXPECT_EQ(ssrcListLen, 2);
EXPECT_EQ(singleBLPBuffer[0], 3240);
EXPECT_EQ(singleBLPBuffer[1], 3243);
}
TEST_F(RtcpFunctionalityTest, rtcpNackListCompound)
{
UINT32 senderSsrc = 0, receiverSsrc = 0, ssrcListLen = 0;
BYTE compound[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0xa8, 0x00, 0x00, 0x0c, 0xff, 0x00, 0x00};
EXPECT_EQ(STATUS_SUCCESS, rtcpNackListGet(compound, SIZEOF(compound), &senderSsrc, &receiverSsrc, NULL, &ssrcListLen));
std::unique_ptr<UINT16[]> compoundBuffer(new UINT16[ssrcListLen]);
EXPECT_EQ(STATUS_SUCCESS, rtcpNackListGet(compound, SIZEOF(compound), &senderSsrc, &receiverSsrc, compoundBuffer.get(), &ssrcListLen));
EXPECT_EQ(ssrcListLen, 2);
EXPECT_EQ(compoundBuffer[0], 3240);
EXPECT_EQ(compoundBuffer[1], 3327);
}
TEST_F(RtcpFunctionalityTest, onRtcpPacketCompoundNack)
{
PRtpPacket pRtpPacket = nullptr;
BYTE validRtcpPacket[] = {0x81, 0xcd, 0x00, 0x03, 0x2c, 0xd1, 0xa0, 0xde, 0x00, 0x00, 0xab, 0xe0, 0x00, 0x00, 0x00, 0x00};
initTransceiver(44000);
ASSERT_EQ(STATUS_SUCCESS,
createRtpRollingBuffer(DEFAULT_ROLLING_BUFFER_DURATION_IN_SECONDS * DEFAULT_EXPECTED_VIDEO_BIT_RATE / 8 / DEFAULT_MTU_SIZE_BYTES,
&pKvsRtpTransceiver->sender.packetBuffer));
ASSERT_EQ(STATUS_SUCCESS,
createRetransmitter(DEFAULT_SEQ_NUM_BUFFER_SIZE, DEFAULT_VALID_INDEX_BUFFER_SIZE, &pKvsRtpTransceiver->sender.retransmitter));
ASSERT_EQ(STATUS_SUCCESS, createRtpPacketWithSeqNum(0, &pRtpPacket));
ASSERT_EQ(STATUS_SUCCESS, rtpRollingBufferAddRtpPacket(pKvsRtpTransceiver->sender.packetBuffer, pRtpPacket));
ASSERT_EQ(STATUS_SUCCESS, onRtcpPacket(pKvsPeerConnection, validRtcpPacket, SIZEOF(validRtcpPacket)));
RtcOutboundRtpStreamStats stats{};
getRtpOutboundStats(pRtcPeerConnection, nullptr, &stats);
ASSERT_EQ(1, stats.nackCount);
ASSERT_EQ(1, stats.retransmittedPacketsSent);
ASSERT_EQ(10, stats.retransmittedBytesSent);
freePeerConnection(&pRtcPeerConnection);
freeRtpPacket(&pRtpPacket);
}
TEST_F(RtcpFunctionalityTest, onRtcpPacketCompound)
{
KvsPeerConnection peerConnection{};
BYTE compound[] = {
0x80, 0xc8, 0x00, 0x06, 0xf1, 0x2d, 0x7b, 0x4b, 0xe1, 0xe3, 0x20, 0x43, 0xe5, 0x3d, 0x10, 0x2b, 0xbf, 0x58, 0xf7,
0xef, 0x00, 0x00, 0x23, 0xf3, 0x00, 0x6c, 0xd3, 0x75, 0x81, 0xca, 0x00, 0x06, 0xf1, 0x2d, 0x7b, 0x4b, 0x01, 0x10,
0x2f, 0x76, 0x6d, 0x4b, 0x51, 0x6e, 0x47, 0x6e, 0x55, 0x70, 0x4f, 0x2b, 0x70, 0x38, 0x64, 0x52, 0x00, 0x00,
};
EXPECT_EQ(STATUS_SUCCESS, onRtcpPacket(&peerConnection, compound, SIZEOF(compound)));
}
TEST_F(RtcpFunctionalityTest, onRtcpPacketCompoundSenderReport)
{
auto hexpacket = (PCHAR) "81C900076C1B58915E0C6E520400000000000002000000000102030400424344";
BYTE rawpacket[64] = {0};
UINT32 rawpacketSize = 64;
EXPECT_EQ(STATUS_SUCCESS, hexDecode(hexpacket, strlen(hexpacket), rawpacket, &rawpacketSize));
// added two transceivers to test correct transceiver stats in getRtpRemoteInboundStats
initTransceiver(4242); // fake transceiver
auto t = addTransceiver(1577872978); // real transceiver
EXPECT_EQ(STATUS_SUCCESS, onRtcpPacket(pKvsPeerConnection, rawpacket, rawpacketSize));
RtcRemoteInboundRtpStreamStats stats{};
EXPECT_EQ(STATUS_SUCCESS, getRtpRemoteInboundStats(pRtcPeerConnection, t, &stats));
EXPECT_EQ(1, stats.reportsReceived);
EXPECT_EQ(1, stats.roundTripTimeMeasurements);
// onRtcpPacket uses real time clock GETTIME to calculate roundTripTime, cant test
EXPECT_EQ(4.0 / 255.0, stats.fractionLost);
EXPECT_LT(0, stats.totalRoundTripTime);
EXPECT_LT(0, stats.roundTripTime);
freePeerConnection(&pRtcPeerConnection);
}
TEST_F(RtcpFunctionalityTest, rembValueGet)
{
BYTE rawRtcpPacket[] = {0x8f, 0xce, 0x00, 0x05, 0x61, 0x7a, 0x37, 0x43, 0x00, 0x00, 0x00, 0x00,
0x52, 0x45, 0x4d, 0x42, 0x01, 0x12, 0x46, 0x73, 0x6c, 0x76, 0xe8, 0x55};
RtcpPacket rtcpPacket;
MEMSET(&rtcpPacket, 0x00, SIZEOF(RtcpPacket));
EXPECT_EQ(STATUS_SUCCESS, setRtcpPacketFromBytes(rawRtcpPacket, SIZEOF(rawRtcpPacket), &rtcpPacket));
EXPECT_EQ(rtcpPacket.header.packetType, RTCP_PACKET_TYPE_PAYLOAD_SPECIFIC_FEEDBACK);
EXPECT_EQ(rtcpPacket.header.receptionReportCount, RTCP_FEEDBACK_MESSAGE_TYPE_APPLICATION_LAYER_FEEDBACK);
BYTE bufferTooSmall[] = {0x00, 0x00, 0x00};
EXPECT_EQ(STATUS_RTCP_INPUT_REMB_TOO_SMALL, isRembPacket(bufferTooSmall, SIZEOF(bufferTooSmall)));
BYTE bufferNoUniqueIdentifier[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
EXPECT_EQ(STATUS_RTCP_INPUT_REMB_INVALID, isRembPacket(bufferNoUniqueIdentifier, SIZEOF(bufferNoUniqueIdentifier)));
UINT8 ssrcListLen = 0;
DOUBLE maximumBitRate = 0;
UINT32 ssrcList[5];
BYTE singleSSRC[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x52, 0x45, 0x4d, 0x42, 0x01, 0x12, 0x76, 0x28, 0x6c, 0x76, 0xe8, 0x55};
EXPECT_EQ(STATUS_SUCCESS, rembValueGet(singleSSRC, SIZEOF(singleSSRC), &maximumBitRate, ssrcList, &ssrcListLen));
EXPECT_EQ(ssrcListLen, 1);
EXPECT_EQ(maximumBitRate, 2581120.0);
EXPECT_EQ(ssrcList[0], 0x6c76e855);
BYTE multipleSSRC[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x52, 0x45, 0x4d, 0x42,
0x02, 0x12, 0x76, 0x28, 0x6c, 0x76, 0xe8, 0x55, 0x42, 0x42, 0x42, 0x42};
EXPECT_EQ(STATUS_SUCCESS, rembValueGet(multipleSSRC, SIZEOF(multipleSSRC), &maximumBitRate, ssrcList, &ssrcListLen));
EXPECT_EQ(ssrcListLen, 2);
EXPECT_EQ(maximumBitRate, 2581120.0);
EXPECT_EQ(ssrcList[0], 0x6c76e855);
EXPECT_EQ(ssrcList[1], 0x42424242);
BYTE invalidSSRCLength[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x52, 0x45,
0x4d, 0x42, 0xFF, 0x12, 0x76, 0x28, 0x6c, 0x76, 0xe8, 0x55};
EXPECT_EQ(STATUS_RTCP_INPUT_REMB_INVALID, rembValueGet(invalidSSRCLength, SIZEOF(invalidSSRCLength), &maximumBitRate, ssrcList, &ssrcListLen));
}
TEST_F(RtcpFunctionalityTest, onRtcpRembCalled)
{
RtcpPacket rtcpPacket;
MEMSET(&rtcpPacket, 0x00, SIZEOF(RtcpPacket));
BYTE multipleSSRC[] = {0x80, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x52, 0x45,
0x4d, 0x42, 0x02, 0x12, 0x76, 0x28, 0x6c, 0x76, 0xe8, 0x55, 0x42, 0x42, 0x42, 0x42};
EXPECT_EQ(STATUS_SUCCESS, setRtcpPacketFromBytes(multipleSSRC, ARRAY_SIZE(multipleSSRC), &rtcpPacket));
initTransceiver(0x42424242);
PRtcRtpTransceiver transceiver43 = addTransceiver(0x43);
BOOL onBandwidthCalled42 = FALSE;
BOOL onBandwidthCalled43 = FALSE;
auto callback = [](UINT64 called, DOUBLE /*unused*/) { *((BOOL*) called) = TRUE; };
transceiverOnBandwidthEstimation(pRtcRtpTransceiver, reinterpret_cast<UINT64>(&onBandwidthCalled42), callback);
transceiverOnBandwidthEstimation(transceiver43, reinterpret_cast<UINT64>(&onBandwidthCalled43), callback);
onRtcpRembPacket(&rtcpPacket, pKvsPeerConnection);
ASSERT_TRUE(onBandwidthCalled42);
ASSERT_FALSE(onBandwidthCalled43);
freePeerConnection(&pRtcPeerConnection);
}
TEST_F(RtcpFunctionalityTest, onpli)
{
BYTE rawRtcpPacket[] = {0x81, 0xCE, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x1D, 0xC8, 0x69, 0x91};
RtcpPacket rtcpPacket{};
BOOL on_picture_loss_called = FALSE;
this->initTransceiver(0x1DC86991);
pKvsRtpTransceiver->onPictureLossCustomData = (UINT64) &on_picture_loss_called;
pKvsRtpTransceiver->onPictureLoss = [](UINT64 customData) -> void { *(PBOOL) customData = TRUE; };
EXPECT_EQ(STATUS_SUCCESS, setRtcpPacketFromBytes(rawRtcpPacket, SIZEOF(rawRtcpPacket), &rtcpPacket));
ASSERT_TRUE(rtcpPacket.header.packetType == RTCP_PACKET_TYPE_PAYLOAD_SPECIFIC_FEEDBACK &&
rtcpPacket.header.receptionReportCount == RTCP_PSFB_PLI);
onRtcpPLIPacket(&rtcpPacket, pKvsPeerConnection);
ASSERT_TRUE(on_picture_loss_called);
RtcOutboundRtpStreamStats stats{};
EXPECT_EQ(STATUS_SUCCESS, getRtpOutboundStats(pRtcPeerConnection, nullptr, &stats));
EXPECT_EQ(1, stats.pliCount);
freePeerConnection(&pRtcPeerConnection);
}
static void testBwHandler(UINT64 customData, UINT32 txBytes, UINT32 rxBytes, UINT32 txPacketsCnt, UINT32 rxPacketsCnt,
UINT64 duration) {
UNUSED_PARAM(customData);
UNUSED_PARAM(txBytes);
UNUSED_PARAM(rxBytes);
UNUSED_PARAM(txPacketsCnt);
UNUSED_PARAM(rxPacketsCnt);
UNUSED_PARAM(duration);
return;
}
static void parseTwcc(const std::string& hex, const uint32_t expectedReceived, const uint32_t expectedNotReceived)
{
PRtcPeerConnection pRtcPeerConnection = nullptr;
PKvsPeerConnection pKvsPeerConnection;
BYTE payload[256] = {0};
UINT32 payloadLen = 256;
hexDecode(const_cast<PCHAR>(hex.data()), hex.size(), payload, &payloadLen);
RtcpPacket rtcpPacket{};
RtpPacket rtpPacket{};
RtcConfiguration config{};
UINT64 value;
UINT16 twsn;
UINT16 i = 0;
UINT32 extpayload, received = 0, lost = 0;
rtcpPacket.header.packetLength = payloadLen / 4;
rtcpPacket.payload = payload;
rtcpPacket.payloadLength = payloadLen;
EXPECT_EQ(STATUS_SUCCESS, createPeerConnection(&config, &pRtcPeerConnection));
pKvsPeerConnection = reinterpret_cast<PKvsPeerConnection>(pRtcPeerConnection);
EXPECT_EQ(STATUS_SUCCESS, peerConnectionOnSenderBandwidthEstimation(pRtcPeerConnection, 0,
testBwHandler));
UINT16 baseSeqNum = getUnalignedInt16BigEndian(rtcpPacket.payload + 8);
UINT16 pktCount = TWCC_PACKET_STATUS_COUNT(rtcpPacket.payload);
for(i = baseSeqNum; i < baseSeqNum + pktCount; i++) {
rtpPacket.header.extension = TRUE;
rtpPacket.header.extensionProfile = TWCC_EXT_PROFILE;
rtpPacket.header.extensionLength = SIZEOF(UINT32);
twsn = i;
extpayload = TWCC_PAYLOAD(parseExtId(TWCC_EXT_URL), twsn);
rtpPacket.header.extensionPayload = (PBYTE) &extpayload;
EXPECT_EQ(STATUS_SUCCESS, twccManagerOnPacketSent(pKvsPeerConnection, &rtpPacket));
}
EXPECT_EQ(STATUS_SUCCESS, parseRtcpTwccPacket(&rtcpPacket, pKvsPeerConnection->pTwccManager));
for(i = 0; i < MAX_UINT16; i++) {
if(STATUS_SUCCEEDED(hashTableGet(pKvsPeerConnection->pTwccManager->pTwccRtpPktInfosHashTable, i, &value))) {
PTwccRtpPacketInfo tempTwccRtpPktInfo = (PTwccRtpPacketInfo) value;
if(tempTwccRtpPktInfo->remoteTimeKvs == TWCC_PACKET_LOST_TIME) {
lost++;
} else if (tempTwccRtpPktInfo->remoteTimeKvs != TWCC_PACKET_UNITIALIZED_TIME) {
received++;
}
}
}
EXPECT_EQ(received + lost, TWCC_PACKET_STATUS_COUNT(rtcpPacket.payload));
EXPECT_EQ(expectedReceived + expectedNotReceived, TWCC_PACKET_STATUS_COUNT(rtcpPacket.payload));
EXPECT_EQ(expectedReceived, received);
EXPECT_EQ(expectedNotReceived, lost);
EXPECT_EQ(STATUS_SUCCESS, freePeerConnection(&pRtcPeerConnection));
}
TEST_F(RtcpFunctionalityTest, twccParsePacketTest)
{
parseTwcc("", 0, 0);
parseTwcc("4487A9E754B3E6FD01810001147A75A62001C801", 1, 0);
parseTwcc("4487A9E754B3E6FD12740004148566AAC1402C00", 1, 3);
parseTwcc("4487A9E754B3E6FD04FA0006147CAF88C554B80400000001", 1, 5);
parseTwcc("4487A9E754B3E6FD00000002147972002002BC00", 2, 0);
parseTwcc("4487A9E754B3E6FD06D40004147DDE41D6403C00FFEC0001", 2, 2);
parseTwcc("4487A9E754B3E6FD04FA0006147CB089D95420FF9804000000000003", 2, 4);
parseTwcc("4487A9E754B3E6FD000C000314797A052003E40004000003", 3, 0);
parseTwcc("4487A9E754B3E6FD12740006148568ABD6648800FDA4000268000002", 3, 3);
parseTwcc("4487A9E754B3E6FD1431000C14868C5A803CEC0028000002", 3, 9);
parseTwcc("4487A9E754B3E6FD00020004147974012004140000000002", 4, 0);
parseTwcc("4487A9E754B3E6FD12670008148560A8D66520016C00FD780402902800040002", 4, 4);
parseTwcc("4487A9E754B3E6FD012E0005147A45872005900000000401", 5, 0);
parseTwcc("4487A9E754B3E6FD01F20006147AC6D22006600004000000", 6, 0);
parseTwcc("4487A9E754B3E6FD06690007147D9111200748000000040000000003", 7, 0);
parseTwcc("4487A9E754B3E6FD020C0008147AD3D8200898000000000008000002", 8, 0);
parseTwcc("4487A9E754B3E6FD07C20009147E7B8B200990000800000000000001", 9, 0);
parseTwcc("4487A9E754B3E6FD0177000A147A74A5200A70000000000000040000", 10, 0);
parseTwcc("4487A9E754B3E6FD1431000C14868E5B2008E540DC00000000000000FE10002800000003", 10, 2);
parseTwcc("4487A9E754B3E6FD03C6000B147BEB6F200B3000380400000400040000000003", 11, 0);
parseTwcc("4487A9E754B3E6FD02AB000D147B3013200D4800000004000000000000000401", 13, 0);
parseTwcc("4487A9E754B3E6FD01BA000E147AA4C3200EA400000000000000000000000400", 14, 0);
parseTwcc("4487A9E754B3E6FD0610000F147D62F3200FCC0000000000000400000000100000000003", 15, 0);
parseTwcc("4487A9E754B3E6FD08120010147EAAA92010F80000000000000004040000000000000002", 16, 0);
parseTwcc("4487A9E754B3E6FD05B80011147D33D52011F40014000000000000000000040000000001", 17, 0);
parseTwcc("4487A9E754B3E6FD04DA001E147CAC86D556D999D6652009D40000000000EF840001040001DC0004D4000400031400", 17, 13);
parseTwcc("4487A9E754B3E6FD11EA0012148514932012B40000000000000400000000000000000000", 18, 0);
parseTwcc("4487A9E754B3E6FD09BC0013147FC45D201348000400000000000000000000000000000000000003", 19, 0);
parseTwcc("4487A9E754B3E6FD05720014147D05B7201414000000000000100000000000040000000400000002", 20, 0);
parseTwcc("4487A9E754B3E6FD03820015147BBD5A201554000000000000000000000000000000000400009801", 21, 0);
parseTwcc("4487A9E754B3E6FD114B001B1484B87381FF200DE41000000000000000000000000000000000140000000002", 21, 6);
parseTwcc("4487A9E754B3E6FD0B6700161480DD11201678000000000000000000040000000000000000000000", 22, 0);
parseTwcc("4487A9E754B3E6FD07790017147E4E6F2017D400000000000400000000000000000004000400080000000003", 23, 0);
parseTwcc("4487A9E754B3E6FD114B001D1484BB74D5592014E4008400000000FD60100000000000000000000000000000000014", 24, 5);
parseTwcc("4487A9E754B3E6FD1230002914854FA22027E4002400000000000400000000000000040000000000040000001C0000", 41, 0);
parseTwcc("4487A9E754B3E6FD04B60036147CAA852024C002D999D6407800000000000000000000000000040000000000000000", 43, 11);
parseTwcc("4487A9E754B3E6FD040200E4147C9F81202700B7E6649000000000000000000004000000000008000018000000001", 43, 185);
}
TEST_F(RtcpFunctionalityTest, updateTwccHashTableTest)
{
PRtcPeerConnection pRtcPeerConnection = NULL;
PKvsPeerConnection pKvsPeerConnection = NULL;
RtcConfiguration config{};
UINT64 receivedBytes = 0, receivedPackets = 0, sentBytes = 0, sentPackets = 0;
INT64 duration = 0;
PTwccRtpPacketInfo pTwccRtpPacketInfo = NULL;
PHashTable pTwccRtpPktInfosHashTable = NULL;
UINT16 hashTableInsertionCount = 0;
UINT16 lowerBound = UINT16_MAX - 3;
UINT16 upperBound = 3;
UINT16 i = 0;
// Initialize structs and members.
EXPECT_EQ(STATUS_SUCCESS, createPeerConnection(&config, &pRtcPeerConnection));
pKvsPeerConnection = reinterpret_cast<PKvsPeerConnection>(pRtcPeerConnection);
EXPECT_EQ(STATUS_SUCCESS, peerConnectionOnSenderBandwidthEstimation(pRtcPeerConnection, 0, testBwHandler));
// Grab the hash table.
pTwccRtpPktInfosHashTable = pKvsPeerConnection->pTwccManager->pTwccRtpPktInfosHashTable;
pKvsPeerConnection->pTwccManager->prevReportedBaseSeqNum = lowerBound;
pKvsPeerConnection->pTwccManager->lastReportedSeqNum = upperBound + 10;
// Breakup the packet indexes to be across the max int overflow.
for (i = lowerBound; i <= UINT16_MAX && i != 0 ; i++)
{
pTwccRtpPacketInfo = (PTwccRtpPacketInfo) MEMCALLOC(1, SIZEOF(TwccRtpPacketInfo));
EXPECT_EQ(STATUS_SUCCESS, hashTableUpsert(pTwccRtpPktInfosHashTable, i, (UINT64) pTwccRtpPacketInfo));
hashTableInsertionCount++;
}
for (i = 0; i < upperBound; i++)
{
pTwccRtpPacketInfo = (PTwccRtpPacketInfo) MEMCALLOC(1, SIZEOF(TwccRtpPacketInfo));
EXPECT_EQ(STATUS_SUCCESS, hashTableUpsert(pTwccRtpPktInfosHashTable, i, (UINT64) pTwccRtpPacketInfo));
hashTableInsertionCount++;
}
// Add at a non-monotonically-increased index.
pTwccRtpPacketInfo = (PTwccRtpPacketInfo) MEMCALLOC(1, SIZEOF(TwccRtpPacketInfo));
EXPECT_EQ(STATUS_SUCCESS, hashTableUpsert(pTwccRtpPktInfosHashTable, upperBound + 10, (UINT64) pTwccRtpPacketInfo));
hashTableInsertionCount++;
// Validate hash table size after and before updating (onRtcpTwccPacket case).
EXPECT_EQ(hashTableInsertionCount, pTwccRtpPktInfosHashTable->itemCount);
EXPECT_EQ(STATUS_SUCCESS, updateTwccHashTable(pKvsPeerConnection->pTwccManager, &duration, &receivedBytes, &receivedPackets, &sentBytes, &sentPackets));
EXPECT_EQ(0, pTwccRtpPktInfosHashTable->itemCount);
hashTableInsertionCount = 0;
pTwccRtpPacketInfo = NULL;
for (i = 0; i <= upperBound; i++)
{
EXPECT_EQ(STATUS_SUCCESS, hashTableUpsert(pTwccRtpPktInfosHashTable, i, (UINT64) pTwccRtpPacketInfo));
hashTableInsertionCount++;
}
EXPECT_EQ(hashTableInsertionCount, pTwccRtpPktInfosHashTable->itemCount);
EXPECT_EQ(STATUS_SUCCESS, updateTwccHashTable(pKvsPeerConnection->pTwccManager, &duration, &receivedBytes, &receivedPackets, &sentBytes, &sentPackets));
EXPECT_EQ(0, pTwccRtpPktInfosHashTable->itemCount);
MUTEX_LOCK(pKvsPeerConnection->twccLock);
MUTEX_UNLOCK(pKvsPeerConnection->twccLock);
EXPECT_EQ(STATUS_SUCCESS, freePeerConnection(&pRtcPeerConnection));
}
TEST_F(RtcpFunctionalityTest, updateTwccHashTableIntPromotionCase) {
PRtcPeerConnection pRtcPeerConnection = NULL;
PKvsPeerConnection pKvsPeerConnection = NULL;
RtcConfiguration config{};
EXPECT_EQ(STATUS_SUCCESS, createPeerConnection(&config, &pRtcPeerConnection));
pKvsPeerConnection = reinterpret_cast<PKvsPeerConnection>(pRtcPeerConnection);
PTwccRtpPacketInfo pTwccRtpPacketInfo = NULL;
INT64 duration = 0;
UINT64 receivedBytes = 0, receivedPackets = 0, sentBytes = 0, sentPackets = 0;
UINT16 i;
// Grab the hash table
PHashTable pTwccRtpPktInfosHashTable = pKvsPeerConnection->pTwccManager->pTwccRtpPktInfosHashTable;
UINT16 hashTableInsertionCount = 0;
// Set up the hash table
pKvsPeerConnection->pTwccManager->prevReportedBaseSeqNum = UINT16_MAX;
pKvsPeerConnection->pTwccManager->lastReportedSeqNum = UINT16_MAX;
// Add packet at UINT16_MAX
pTwccRtpPacketInfo = (PTwccRtpPacketInfo) MEMCALLOC(1, SIZEOF(TwccRtpPacketInfo));
EXPECT_EQ(STATUS_SUCCESS, hashTableUpsert(pTwccRtpPktInfosHashTable, UINT16_MAX, (UINT64) pTwccRtpPacketInfo));
hashTableInsertionCount++;
// Even though pTwccManager->lastReportedSeqNum is a UINT16, (pTwccManager->lastReportedSeqNum + 1) can get
// promoted to an int (32) when pTwccManager->lastReportedSeqNum == UINT16_MAX
EXPECT_EQ(STATUS_SUCCESS, updateTwccHashTable(pKvsPeerConnection->pTwccManager, &duration,
&receivedBytes, &receivedPackets,
&sentBytes, &sentPackets));
EXPECT_EQ(0, pTwccRtpPktInfosHashTable->itemCount); // Ensure the table is cleared again
MUTEX_LOCK(pKvsPeerConnection->twccLock);
MUTEX_UNLOCK(pKvsPeerConnection->twccLock);
EXPECT_EQ(STATUS_SUCCESS, freePeerConnection(&pRtcPeerConnection));
}
} // namespace webrtcclient
} // namespace video
} // namespace kinesis
} // namespace amazonaws
} // namespace com