Add parameter to OnCanCreateNewStream indicating directionality
Added a parameter to OnCanCreateNewStream to indicate whether the
available streams are unidirectional or not.
gfe-relnote: N/A is for IETF QUIC (v99 flag protected) only.
PiperOrigin-RevId: 258824808
Change-Id: Ib5f36b81afa35f26fd0ce77e499b51b4a12627b5
diff --git a/quic/core/quic_session.cc b/quic/core/quic_session.cc
index 7fa925d..e5650a9 100644
--- a/quic/core/quic_session.cc
+++ b/quic/core/quic_session.cc
@@ -870,7 +870,9 @@
!VersionHasIetfQuicFrames(connection_->transport_version())) {
// Streams that first became draining already called OnCanCreate...
// This covers the case where the stream went directly to being closed.
- OnCanCreateNewOutgoingStream();
+ // called with unidirectional false because this is for Google QUIC, which
+ // supports only bidirectional streams.
+ OnCanCreateNewOutgoingStream(false);
}
}
@@ -926,7 +928,7 @@
v99_streamid_manager_.OnStreamClosed(stream_id);
}
} else if (!VersionHasIetfQuicFrames(connection_->transport_version())) {
- OnCanCreateNewOutgoingStream();
+ OnCanCreateNewOutgoingStream(false);
}
}
@@ -1271,7 +1273,16 @@
}
if (!IsIncomingStream(stream_id)) {
// Inform application that a stream is available.
- OnCanCreateNewOutgoingStream();
+ if (VersionHasIetfQuicFrames(connection_->transport_version())) {
+ if (QuicUtils::IsBidirectionalStreamId(stream_id)) {
+ OnCanCreateNewOutgoingStream(false);
+ } else {
+ OnCanCreateNewOutgoingStream(true);
+ }
+ } else {
+ // Google QUIC has only bidirectional streams.
+ OnCanCreateNewOutgoingStream(false);
+ }
}
}
@@ -1856,7 +1867,7 @@
control_frame_manager_.WriteOrBufferStopSending(code, stream_id);
}
-void QuicSession::OnCanCreateNewOutgoingStream() {}
+void QuicSession::OnCanCreateNewOutgoingStream(bool /*unidirectional*/) {}
QuicStreamId QuicSession::next_outgoing_bidirectional_stream_id() const {
if (VersionHasIetfQuicFrames(connection_->transport_version())) {
diff --git a/quic/core/quic_session.h b/quic/core/quic_session.h
index 24060e8..b7c0212 100644
--- a/quic/core/quic_session.h
+++ b/quic/core/quic_session.h
@@ -393,8 +393,11 @@
// Called when new outgoing streams are available to be opened. This occurs
// when an extant, open, stream is moved to draining or closed. The default
- // implementation does nothing.
- virtual void OnCanCreateNewOutgoingStream();
+ // implementation does nothing. |unidirectional| indicates whether
+ // unidirectional or bidirectional streams are now available. If both become
+ // available at the same time then there will be two calls to this method, one
+ // with unidirectional==true, the other with it ==false.
+ virtual void OnCanCreateNewOutgoingStream(bool unidirectional);
QuicStreamId next_outgoing_bidirectional_stream_id() const;
QuicStreamId next_outgoing_unidirectional_stream_id() const;
diff --git a/quic/core/quic_session_test.cc b/quic/core/quic_session_test.cc
index ebb17b9..90577d5 100644
--- a/quic/core/quic_session_test.cc
+++ b/quic/core/quic_session_test.cc
@@ -259,7 +259,7 @@
return consumed;
}
- MOCK_METHOD0(OnCanCreateNewOutgoingStream, void());
+ MOCK_METHOD1(OnCanCreateNewOutgoingStream, void(bool unidirectional));
void set_writev_consumes_all_data(bool val) {
writev_consumes_all_data_ = val;
@@ -1693,7 +1693,7 @@
QuicStreamId stream_id = stream->id();
QuicStreamFrame data1(stream_id, true, 0, QuicStringPiece("HT"));
session_.OnStreamFrame(data1);
- EXPECT_CALL(session_, OnCanCreateNewOutgoingStream()).Times(1);
+ EXPECT_CALL(session_, OnCanCreateNewOutgoingStream(false)).Times(1);
session_.StreamDraining(stream_id);
}
@@ -1910,13 +1910,13 @@
EXPECT_CALL(*connection_, SendControlFrame(_));
EXPECT_CALL(*connection_, OnStreamReset(stream2->id(), _));
- EXPECT_CALL(session_, OnCanCreateNewOutgoingStream()).Times(0);
+ EXPECT_CALL(session_, OnCanCreateNewOutgoingStream(false)).Times(0);
stream2->Reset(quic::QUIC_STREAM_CANCELLED);
QuicRstStreamFrame rst1(kInvalidControlFrameId, stream2->id(),
QUIC_ERROR_PROCESSING_STREAM, 0);
if (!VersionHasIetfQuicFrames(transport_version())) {
- EXPECT_CALL(session_, OnCanCreateNewOutgoingStream()).Times(1);
+ EXPECT_CALL(session_, OnCanCreateNewOutgoingStream(false)).Times(1);
}
session_.OnRstStream(rst1);
}
diff --git a/quic/core/quic_stream_id_manager.cc b/quic/core/quic_stream_id_manager.cc
index 8b8ff90..f384776 100644
--- a/quic/core/quic_stream_id_manager.cc
+++ b/quic/core/quic_stream_id_manager.cc
@@ -63,7 +63,7 @@
// available.
if (outgoing_stream_count_ == current_outgoing_max_streams &&
current_outgoing_max_streams < outgoing_max_streams_) {
- session_->OnCanCreateNewOutgoingStream();
+ session_->OnCanCreateNewOutgoingStream(unidirectional_);
}
return true;
}
