Cast:Splitting rtcp sender

media/cast/net/rtcp/rtcp_builder_unittest.cc

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/memory/scoped_ptr.h"
+#include "base/test/simple_test_tick_clock.h"
+#include "media/cast/cast_defines.h"
+#include "media/cast/cast_environment.h"
+#include "media/cast/net/pacing/paced_sender.h"
+#include "media/cast/net/rtcp/rtcp_builder.h"
+#include "media/cast/rtcp/rtcp_utility.h"
+#include "media/cast/rtcp/test_rtcp_packet_builder.h"
+#include "media/cast/test/fake_task_runner.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace media {
+namespace cast {
+
+namespace {
+static const uint32 kSendingSsrc = 0x12345678;
+static const uint32 kMediaSsrc = 0x87654321;
+static const std::string kCName("test@10.1.1.1");
+}  // namespace
+
+class TestRtcpTransport : public PacedPacketSender {
+ public:
+  TestRtcpTransport()
+      : expected_packet_length_(0),
+        packet_count_(0) {
+  }
+
+  virtual bool SendRtcpPacket(const Packet& packet) OVERRIDE {
+    EXPECT_EQ(expected_packet_length_, packet.size());
+    EXPECT_EQ(0, memcmp(expected_packet_, &(packet[0]), packet.size()));
+    packet_count_++;
+    return true;
+  }
+
+  virtual bool SendPackets(const PacketList& packets) OVERRIDE {
+    return false;
+  }
+
+  virtual bool ResendPackets(const PacketList& packets) OVERRIDE {
+    return false;
+  }
+
+  void SetExpectedRtcpPacket(const uint8* rtcp_buffer, size_t length) {
+    expected_packet_length_ = length;
+    memcpy(expected_packet_, rtcp_buffer, length);
+  }
+
+  int packet_count() const { return packet_count_; }
+
+ private:
+  uint8 expected_packet_[kIpPacketSize];
+  size_t expected_packet_length_;
+  int packet_count_;
+};
+
+class RtcpBuilderTest : public ::testing::Test {
+ protected:
+  RtcpBuilderTest()
+      : task_runner_(new test::FakeTaskRunner(&testing_clock_)),
+        cast_environment_(new CastEnvironment(&testing_clock_, task_runner_,
+            task_runner_, task_runner_, task_runner_, task_runner_,
+            GetDefaultCastLoggingConfig())),
+        rtcp_builder_(new RtcpBuilder(&test_transport_, kSendingSsrc, kCName)) {
+  }
+
+  base::SimpleTestTickClock testing_clock_;
+  TestRtcpTransport test_transport_;
+  scoped_refptr<test::FakeTaskRunner> task_runner_;
+  scoped_refptr<CastEnvironment> cast_environment_;
+  scoped_ptr<RtcpBuilder> rtcp_builder_;
+};
+
+TEST_F(RtcpBuilderTest, RtcpSenderReport) {
+  RtcpSenderInfo sender_info;
+  sender_info.ntp_seconds = kNtpHigh;
+  sender_info.ntp_fraction = kNtpLow;
+  sender_info.rtp_timestamp = kRtpTimestamp;
+  sender_info.send_packet_count = kSendPacketCount;
+  sender_info.send_octet_count = kSendOctetCount;
+
+  // Sender report + c_name.
+  TestRtcpPacketBuilder p;
+  p.AddSr(kSendingSsrc, 0);
+  p.AddSdesCname(kSendingSsrc, kCName);
+  test_transport_.SetExpectedRtcpPacket(p.Packet(), p.Length());
+
+  rtcp_builder_->SendRtcpFromRtpSender(RtcpBuilder::kRtcpSr,
+                                       &sender_info,
+                                       NULL,
+                                       NULL);
+
+  EXPECT_EQ(1, test_transport_.packet_count());
+}
+
+TEST_F(RtcpBuilderTest, RtcpSenderReportWithDlrr) {
+  RtcpSenderInfo sender_info;
+  sender_info.ntp_seconds = kNtpHigh;
+  sender_info.ntp_fraction = kNtpLow;
+  sender_info.rtp_timestamp = kRtpTimestamp;
+  sender_info.send_packet_count = kSendPacketCount;
+  sender_info.send_octet_count = kSendOctetCount;
+
+  // Sender report + c_name + dlrr.
+  TestRtcpPacketBuilder p1;
+  p1.AddSr(kSendingSsrc, 0);
+  p1.AddSdesCname(kSendingSsrc, kCName);
+  p1.AddXrHeader(kSendingSsrc);
+  p1.AddXrDlrrBlock(kSendingSsrc);
+  test_transport_.SetExpectedRtcpPacket(p1.Packet(), p1.Length());
+
+  RtcpDlrrReportBlock dlrr_rb;
+  dlrr_rb.last_rr = kLastRr;
+  dlrr_rb.delay_since_last_rr = kDelayLastRr;
+
+  rtcp_builder_->SendRtcpFromRtpSender(
+      RtcpBuilder::kRtcpSr | RtcpBuilder::kRtcpDlrr,
+      &sender_info,
+      &dlrr_rb,
+      NULL);
+
+  EXPECT_EQ(1, test_transport_.packet_count());
+}
+
+TEST_F(RtcpBuilderTest, RtcpSenderReportWithDlrrAndLog) {
+  RtcpSenderInfo sender_info;
+  sender_info.ntp_seconds = kNtpHigh;
+  sender_info.ntp_fraction = kNtpLow;
+  sender_info.rtp_timestamp = kRtpTimestamp;
+  sender_info.send_packet_count = kSendPacketCount;
+  sender_info.send_octet_count = kSendOctetCount;
+
+  // Sender report + c_name + dlrr + sender log.
+  TestRtcpPacketBuilder p;
+  p.AddSr(kSendingSsrc, 0);
+  p.AddSdesCname(kSendingSsrc, kCName);
+  p.AddXrHeader(kSendingSsrc);
+  p.AddXrDlrrBlock(kSendingSsrc);
+  p.AddSenderLog(kSendingSsrc);
+  p.AddSenderFrameLog(kRtcpSenderFrameStatusSentToNetwork, kRtpTimestamp);
+
+  test_transport_.SetExpectedRtcpPacket(p.Packet(), p.Length());
+
+  RtcpDlrrReportBlock dlrr_rb;
+  dlrr_rb.last_rr = kLastRr;
+  dlrr_rb.delay_since_last_rr = kDelayLastRr;
+
+  RtcpSenderFrameLogMessage sender_frame_log;
+  sender_frame_log.frame_status = kRtcpSenderFrameStatusSentToNetwork;
+  sender_frame_log.rtp_timestamp = kRtpTimestamp;
+
+  RtcpSenderLogMessage sender_log;
+  sender_log.push_back(sender_frame_log);
+
+  rtcp_builder_->SendRtcpFromRtpSender(
+      RtcpBuilder::kRtcpSr | RtcpBuilder::kRtcpDlrr |
+          RtcpBuilder::kRtcpSenderLog,
+      &sender_info,
+      &dlrr_rb,
+      &sender_log);
+
+  EXPECT_EQ(1, test_transport_.packet_count());
+  EXPECT_TRUE(sender_log.empty());
+}
+
+TEST_F(RtcpBuilderTest, RtcpSenderReporWithTooManyLogFrames) {
+  RtcpSenderInfo sender_info;
+  sender_info.ntp_seconds = kNtpHigh;
+  sender_info.ntp_fraction = kNtpLow;
+  sender_info.rtp_timestamp = kRtpTimestamp;
+  sender_info.send_packet_count = kSendPacketCount;
+  sender_info.send_octet_count = kSendOctetCount;
+
+  // Sender report + c_name + sender log.
+  TestRtcpPacketBuilder p;
+  p.AddSr(kSendingSsrc, 0);
+  p.AddSdesCname(kSendingSsrc, kCName);
+  p.AddSenderLog(kSendingSsrc);
+
+  for (int i = 0; i < 359; ++i) {
+    p.AddSenderFrameLog(kRtcpSenderFrameStatusSentToNetwork,
+                        kRtpTimestamp + i * 90);
+  }
+  test_transport_.SetExpectedRtcpPacket(p.Packet(), p.Length());
+
+
+  RtcpSenderLogMessage sender_log;
+  for (int j = 0; j < 400; ++j) {
+    RtcpSenderFrameLogMessage sender_frame_log;
+    sender_frame_log.frame_status = kRtcpSenderFrameStatusSentToNetwork;
+    sender_frame_log.rtp_timestamp = kRtpTimestamp + j * 90;
+    sender_log.push_back(sender_frame_log);
+  }
+
+  rtcp_builder_->SendRtcpFromRtpSender(
+      RtcpBuilder::kRtcpSr | RtcpBuilder::kRtcpSenderLog,
+      &sender_info,
+      NULL,
+      &sender_log);
+
+  EXPECT_EQ(1, test_transport_.packet_count());
+  EXPECT_EQ(41u, sender_log.size());
+}
+
+}  // namespace cast
+}  // namespace media