naiveproxy/net/third_party/quic/quartc/quartc_stream.cc
2018-08-11 05:35:24 +00:00

95 lines
2.4 KiB
C++

// Copyright (c) 2017 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 "net/third_party/quic/quartc/quartc_stream.h"
#include "net/third_party/quic/platform/api/quic_string_piece.h"
namespace net {
QuartcStream::QuartcStream(QuicStreamId id, QuicSession* session)
: QuicStream(id, session, /*is_static=*/false) {}
QuartcStream::~QuartcStream() {}
void QuartcStream::OnDataAvailable() {
struct iovec iov;
while (sequencer()->GetReadableRegion(&iov)) {
DCHECK(delegate_);
delegate_->OnReceived(this, reinterpret_cast<const char*>(iov.iov_base),
iov.iov_len);
sequencer()->MarkConsumed(iov.iov_len);
}
// All the data has been received if the sequencer is closed.
// Notify the delegate by calling the callback function one more time with
// iov_len = 0.
if (sequencer()->IsClosed()) {
OnFinRead();
delegate_->OnReceived(this, reinterpret_cast<const char*>(iov.iov_base), 0);
}
}
void QuartcStream::OnClose() {
QuicStream::OnClose();
DCHECK(delegate_);
delegate_->OnClose(this);
}
void QuartcStream::OnStreamDataConsumed(size_t bytes_consumed) {
QuicStream::OnStreamDataConsumed(bytes_consumed);
DCHECK(delegate_);
delegate_->OnBufferChanged(this);
}
void QuartcStream::OnDataBuffered(
QuicStreamOffset offset,
QuicByteCount data_length,
const QuicReferenceCountedPointer<QuicAckListenerInterface>& ack_listener) {
DCHECK(delegate_);
delegate_->OnBufferChanged(this);
}
uint32_t QuartcStream::stream_id() {
return id();
}
uint64_t QuartcStream::bytes_buffered() {
return BufferedDataBytes();
}
bool QuartcStream::fin_sent() {
return QuicStream::fin_sent();
}
int QuartcStream::stream_error() {
return QuicStream::stream_error();
}
void QuartcStream::Write(QuicMemSliceSpan data, const WriteParameters& param) {
WriteMemSlices(data, param.fin);
}
void QuartcStream::FinishWriting() {
WriteOrBufferData(QuicStringPiece(nullptr, 0), true, nullptr);
}
void QuartcStream::FinishReading() {
QuicStream::StopReading();
}
void QuartcStream::Close() {
QuicStream::session()->CloseStream(id());
}
void QuartcStream::SetDelegate(QuartcStreamInterface::Delegate* delegate) {
if (delegate_) {
LOG(WARNING) << "The delegate for Stream " << id()
<< " has already been set.";
}
delegate_ = delegate;
DCHECK(delegate_);
}
} // namespace net