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// 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/quic/quartc/quartc_stream.h"
#include "net/quic/platform/api/quic_string_piece.h"
namespace net {
QuartcStream::QuartcStream(QuicStreamId id, QuicSession* session)
: QuicStream(id, session) {}
QuartcStream::~QuartcStream() {}
void QuartcStream::OnDataAvailable() {
struct iovec iov;
while (sequencer()->GetReadableRegions(&iov, 1) == 1) {
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()) {
delegate_->OnReceived(this, reinterpret_cast<const char*>(iov.iov_base), 0);
}
}
void QuartcStream::OnClose() {
QuicStream::OnClose();
DCHECK(delegate_);
delegate_->OnClose(this, connection_error());
}
void QuartcStream::OnCanWrite() {
QuicStream::OnCanWrite();
DCHECK(delegate_);
delegate_->OnBufferedAmountDecrease(this);
}
uint32_t QuartcStream::stream_id() {
return id();
}
uint64_t QuartcStream::buffered_amount() {
return queued_data_bytes();
}
bool QuartcStream::fin_sent() {
return QuicStream::fin_sent();
}
void QuartcStream::Write(const char* data,
size_t size,
const WriteParameters& param) {
WriteOrBufferData(QuicStringPiece(data, size), param.fin, nullptr);
}
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
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