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/*
* Copyright (c) 2016 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/compound_packet.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webrtc/modules/rtp_rtcp/source/rtcp_packet.h"
#include "webrtc/modules/rtp_rtcp/source/rtcp_packet/bye.h"
#include "webrtc/modules/rtp_rtcp/source/rtcp_packet/receiver_report.h"
#include "webrtc/test/rtcp_packet_parser.h"
using webrtc::rtcp::Bye;
using webrtc::rtcp::CompoundPacket;
using webrtc::rtcp::Fir;
using webrtc::rtcp::RawPacket;
using webrtc::rtcp::ReceiverReport;
using webrtc::rtcp::ReportBlock;
using webrtc::rtcp::SenderReport;
using webrtc::test::RtcpPacketParser;
namespace webrtc {
const uint32_t kSenderSsrc = 0x12345678;
TEST(RtcpCompoundPacketTest, AppendPacket) {
Fir fir;
ReportBlock rb;
ReceiverReport rr;
rr.From(kSenderSsrc);
EXPECT_TRUE(rr.WithReportBlock(rb));
rr.Append(&fir);
rtc::scoped_ptr<RawPacket> packet(rr.Build());
RtcpPacketParser parser;
parser.Parse(packet->Buffer(), packet->Length());
EXPECT_EQ(1, parser.receiver_report()->num_packets());
EXPECT_EQ(kSenderSsrc, parser.receiver_report()->Ssrc());
EXPECT_EQ(1, parser.report_block()->num_packets());
EXPECT_EQ(1, parser.fir()->num_packets());
}
TEST(RtcpCompoundPacketTest, AppendPacketOnEmpty) {
CompoundPacket empty;
ReceiverReport rr;
rr.From(kSenderSsrc);
empty.Append(&rr);
rtc::scoped_ptr<RawPacket> packet(empty.Build());
RtcpPacketParser parser;
parser.Parse(packet->Buffer(), packet->Length());
EXPECT_EQ(1, parser.receiver_report()->num_packets());
EXPECT_EQ(0, parser.report_block()->num_packets());
}
TEST(RtcpCompoundPacketTest, AppendPacketWithOwnAppendedPacket) {
Fir fir;
Bye bye;
ReportBlock rb;
ReceiverReport rr;
EXPECT_TRUE(rr.WithReportBlock(rb));
rr.Append(&fir);
SenderReport sr;
sr.Append(&bye);
sr.Append(&rr);
rtc::scoped_ptr<RawPacket> packet(sr.Build());
RtcpPacketParser parser;
parser.Parse(packet->Buffer(), packet->Length());
EXPECT_EQ(1, parser.sender_report()->num_packets());
EXPECT_EQ(1, parser.receiver_report()->num_packets());
EXPECT_EQ(1, parser.report_block()->num_packets());
EXPECT_EQ(1, parser.bye()->num_packets());
EXPECT_EQ(1, parser.fir()->num_packets());
}
TEST(RtcpCompoundPacketTest, BuildWithInputBuffer) {
Fir fir;
ReportBlock rb;
ReceiverReport rr;
rr.From(kSenderSsrc);
EXPECT_TRUE(rr.WithReportBlock(rb));
rr.Append(&fir);
const size_t kRrLength = 8;
const size_t kReportBlockLength = 24;
const size_t kFirLength = 20;
class Verifier : public rtcp::RtcpPacket::PacketReadyCallback {
public:
void OnPacketReady(uint8_t* data, size_t length) override {
RtcpPacketParser parser;
parser.Parse(data, length);
EXPECT_EQ(1, parser.receiver_report()->num_packets());
EXPECT_EQ(1, parser.report_block()->num_packets());
EXPECT_EQ(1, parser.fir()->num_packets());
++packets_created_;
}
int packets_created_ = 0;
} verifier;
const size_t kBufferSize = kRrLength + kReportBlockLength + kFirLength;
uint8_t buffer[kBufferSize];
EXPECT_TRUE(rr.BuildExternalBuffer(buffer, kBufferSize, &verifier));
EXPECT_EQ(1, verifier.packets_created_);
}
TEST(RtcpCompoundPacketTest, BuildWithTooSmallBuffer_FragmentedSend) {
Fir fir;
ReportBlock rb;
ReceiverReport rr;
rr.From(kSenderSsrc);
EXPECT_TRUE(rr.WithReportBlock(rb));
rr.Append(&fir);
const size_t kRrLength = 8;
const size_t kReportBlockLength = 24;
class Verifier : public rtcp::RtcpPacket::PacketReadyCallback {
public:
void OnPacketReady(uint8_t* data, size_t length) override {
RtcpPacketParser parser;
parser.Parse(data, length);
switch (packets_created_++) {
case 0:
EXPECT_EQ(1, parser.receiver_report()->num_packets());
EXPECT_EQ(1, parser.report_block()->num_packets());
EXPECT_EQ(0, parser.fir()->num_packets());
break;
case 1:
EXPECT_EQ(0, parser.receiver_report()->num_packets());
EXPECT_EQ(0, parser.report_block()->num_packets());
EXPECT_EQ(1, parser.fir()->num_packets());
break;
default:
ADD_FAILURE() << "OnPacketReady not expected to be called "
<< packets_created_ << " times.";
}
}
int packets_created_ = 0;
} verifier;
const size_t kBufferSize = kRrLength + kReportBlockLength;
uint8_t buffer[kBufferSize];
EXPECT_TRUE(rr.BuildExternalBuffer(buffer, kBufferSize, &verifier));
EXPECT_EQ(2, verifier.packets_created_);
}
} // namespace webrtc
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