Wire up transport sequence number / send time callbacks to webrtc via libjingle.

webrtc/p2p/base/dtlstransportchannel_unittest.cc

Index: webrtc/p2p/base/dtlstransportchannel_unittest.cc
diff --git a/webrtc/p2p/base/dtlstransportchannel_unittest.cc b/webrtc/p2p/base/dtlstransportchannel_unittest.cc
index 460e294a0048c99badecd63cc1543ea6d538ff0e..07e3b87847203150eac14e38b368ab0677e270d7 100644
--- a/webrtc/p2p/base/dtlstransportchannel_unittest.cc
+++ b/webrtc/p2p/base/dtlstransportchannel_unittest.cc
@@ -33,6 +33,7 @@ static const char kIceUfrag1[] = "TESTICEUFRAG0001";
 static const char kIcePwd1[] = "TESTICEPWD00000000000001";
 static const size_t kPacketNumOffset = 8;
 static const size_t kPacketHeaderLen = 12;
+static const int kFakePacketId = 0x1234;
 
 static bool IsRtpLeadByte(uint8_t b) {
   return ((b & 0xC0) == 0x80);
@@ -86,6 +87,8 @@ class DtlsTestClient : public sigslot::has_slots<> {
         &DtlsTestClient::OnTransportChannelWritableState);
       channel->SignalReadPacket.connect(this,
         &DtlsTestClient::OnTransportChannelReadPacket);
+      channel->SignalSentPacket.connect(
+          this, &DtlsTestClient::OnTransportChannelSentPacket);
       channels_.push_back(channel);
 
       // Hook the raw packets so that we can verify they are encrypted.
@@ -259,6 +262,7 @@ class DtlsTestClient : public sigslot::has_slots<> {
       // Only set the bypass flag if we've activated DTLS.
       int flags = (certificate_ && srtp) ? cricket::PF_SRTP_BYPASS : 0;
       rtc::PacketOptions packet_options;
+      packet_options.packet_id = kFakePacketId;
       int rv = channels_[channel]->SendPacket(
           packet.get(), size, packet_options, flags);
       ASSERT_GT(rv, 0);
@@ -338,6 +342,13 @@ class DtlsTestClient : public sigslot::has_slots<> {
     ASSERT_EQ(expected_flags, flags);
   }
 
+  void OnTransportChannelSentPacket(cricket::TransportChannel* channel,
+                                    const rtc::SentPacket& sent_packet) {
+    sent_packet_ = sent_packet;
+  }
+
+  rtc::SentPacket sent_packet() const { return sent_packet_; }
+
   // Hook into the raw packet stream to make sure DTLS packets are encrypted.
   void OnFakeTransportChannelReadPacket(cricket::TransportChannel* channel,
                                         const char* data, size_t size,
@@ -378,6 +389,7 @@ class DtlsTestClient : public sigslot::has_slots<> {
   bool negotiated_dtls_;
   bool received_dtls_client_hello_;
   bool received_dtls_server_hello_;
+  rtc::SentPacket sent_packet_;
 };
 
 
@@ -558,6 +570,15 @@ TEST_F(DtlsTransportChannelTest, TestTransfer) {
   TestTransfer(0, 1000, 100, false);
 }
 
+// Connect without DTLS, and transfer some data.
+TEST_F(DtlsTransportChannelTest, TestOnSentPacket) {
+  ASSERT_TRUE(Connect());
+  EXPECT_EQ(client1_.sent_packet().send_time_ms, -1);
+  TestTransfer(0, 1000, 100, false);
+  EXPECT_EQ(kFakePacketId, client1_.sent_packet().packet_id);
+  EXPECT_GE(client1_.sent_packet().send_time_ms, 0);
+}
+
 // Create two channels without DTLS, and transfer some data.
 TEST_F(DtlsTransportChannelTest, TestTransferTwoChannels) {
   SetChannelCount(2);