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/*
* Copyright (c) 2012 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/system_wrappers/include/atomic32.h"
#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
#include "webrtc/system_wrappers/include/event_wrapper.h"
#include "webrtc/test/testsupport/fileutils.h"
#include "webrtc/voice_engine/test/auto_test/fixtures/after_streaming_fixture.h"
#include "webrtc/voice_engine/test/auto_test/voe_standard_test.h"
class TestRtpObserver : public webrtc::VoERTPObserver {
public:
TestRtpObserver()
: crit_(voetest::CriticalSectionWrapper::CreateCriticalSection()),
changed_ssrc_event_(voetest::EventWrapper::Create()) {}
virtual ~TestRtpObserver() {}
virtual void OnIncomingCSRCChanged(int channel,
unsigned int CSRC,
bool added) {}
virtual void OnIncomingSSRCChanged(int channel,
unsigned int SSRC);
void WaitForChangedSsrc() {
// 10 seconds should be enough.
EXPECT_EQ(voetest::kEventSignaled, changed_ssrc_event_->Wait(10*1000));
}
void SetIncomingSsrc(unsigned int ssrc) {
voetest::CriticalSectionScoped lock(crit_.get());
incoming_ssrc_ = ssrc;
}
public:
rtc::scoped_ptr<voetest::CriticalSectionWrapper> crit_;
unsigned int incoming_ssrc_;
rtc::scoped_ptr<voetest::EventWrapper> changed_ssrc_event_;
};
void TestRtpObserver::OnIncomingSSRCChanged(int channel,
unsigned int SSRC) {
char msg[128];
sprintf(msg, "\n=> OnIncomingSSRCChanged(channel=%d, SSRC=%u)\n", channel,
SSRC);
TEST_LOG("%s", msg);
{
voetest::CriticalSectionScoped lock(crit_.get());
if (incoming_ssrc_ == SSRC)
changed_ssrc_event_->Set();
}
}
static const char* const RTCP_CNAME = "Whatever";
class RtpRtcpTest : public AfterStreamingFixture {
protected:
void SetUp() {
// We need a second channel for this test, so set it up.
second_channel_ = voe_base_->CreateChannel();
EXPECT_GE(second_channel_, 0);
transport_ = new LoopBackTransport(voe_network_, second_channel_);
EXPECT_EQ(0, voe_network_->RegisterExternalTransport(second_channel_,
*transport_));
EXPECT_EQ(0, voe_base_->StartReceive(second_channel_));
EXPECT_EQ(0, voe_base_->StartPlayout(second_channel_));
EXPECT_EQ(0, voe_rtp_rtcp_->SetLocalSSRC(second_channel_, 5678));
EXPECT_EQ(0, voe_base_->StartSend(second_channel_));
// We'll set up the RTCP CNAME and SSRC to something arbitrary here.
voe_rtp_rtcp_->SetRTCP_CNAME(channel_, RTCP_CNAME);
}
void TearDown() {
EXPECT_EQ(0, voe_network_->DeRegisterExternalTransport(second_channel_));
voe_base_->DeleteChannel(second_channel_);
delete transport_;
}
int second_channel_;
LoopBackTransport* transport_;
};
TEST_F(RtpRtcpTest, RemoteRtcpCnameHasPropagatedToRemoteSide) {
if (!FLAGS_include_timing_dependent_tests) {
TEST_LOG("Skipping test - running in slow execution environment...\n");
return;
}
// We need to sleep a bit here for the name to propagate. For instance,
// 200 milliseconds is not enough, so we'll go with one second here.
Sleep(1000);
char char_buffer[256];
voe_rtp_rtcp_->GetRemoteRTCP_CNAME(channel_, char_buffer);
EXPECT_STREQ(RTCP_CNAME, char_buffer);
}
TEST_F(RtpRtcpTest, SSRCPropagatesCorrectly) {
unsigned int local_ssrc = 1234;
EXPECT_EQ(0, voe_base_->StopSend(channel_));
EXPECT_EQ(0, voe_rtp_rtcp_->SetLocalSSRC(channel_, local_ssrc));
EXPECT_EQ(0, voe_base_->StartSend(channel_));
Sleep(1000);
unsigned int ssrc;
EXPECT_EQ(0, voe_rtp_rtcp_->GetLocalSSRC(channel_, ssrc));
EXPECT_EQ(local_ssrc, ssrc);
EXPECT_EQ(0, voe_rtp_rtcp_->GetRemoteSSRC(channel_, ssrc));
EXPECT_EQ(local_ssrc, ssrc);
}
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