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83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
// Copyright (c) 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/third_party/quic/quartc/quartc_stream.h"
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#include "net/third_party/quic/platform/api/quic_string_piece.h"
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namespace quic {
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QuartcStream::QuartcStream(QuicStreamId id, QuicSession* session)
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: QuicStream(id, session, /*is_static=*/false) {}
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QuartcStream::~QuartcStream() {}
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void QuartcStream::OnDataAvailable() {
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struct iovec iov;
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while (sequencer()->GetReadableRegion(&iov)) {
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DCHECK(delegate_);
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delegate_->OnReceived(this, reinterpret_cast<const char*>(iov.iov_base),
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iov.iov_len);
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sequencer()->MarkConsumed(iov.iov_len);
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}
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// All the data has been received if the sequencer is closed.
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// Notify the delegate by calling the callback function one more time with
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// iov_len = 0.
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if (sequencer()->IsClosed()) {
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OnFinRead();
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delegate_->OnReceived(this, reinterpret_cast<const char*>(iov.iov_base), 0);
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}
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}
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void QuartcStream::OnClose() {
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QuicStream::OnClose();
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DCHECK(delegate_);
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delegate_->OnClose(this);
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}
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void QuartcStream::OnStreamDataConsumed(size_t bytes_consumed) {
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QuicStream::OnStreamDataConsumed(bytes_consumed);
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DCHECK(delegate_);
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delegate_->OnBufferChanged(this);
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}
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void QuartcStream::OnDataBuffered(
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QuicStreamOffset offset,
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QuicByteCount data_length,
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const QuicReferenceCountedPointer<QuicAckListenerInterface>& ack_listener) {
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DCHECK(delegate_);
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delegate_->OnBufferChanged(this);
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}
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void QuartcStream::OnCanWrite() {
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if (cancel_on_loss_ && HasPendingRetransmission()) {
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Reset(QUIC_STREAM_CANCELLED);
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return;
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}
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QuicStream::OnCanWrite();
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}
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bool QuartcStream::cancel_on_loss() {
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return cancel_on_loss_;
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}
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void QuartcStream::set_cancel_on_loss(bool cancel_on_loss) {
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cancel_on_loss_ = cancel_on_loss;
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}
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void QuartcStream::FinishWriting() {
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WriteOrBufferData(QuicStringPiece(nullptr, 0), true, nullptr);
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}
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void QuartcStream::SetDelegate(Delegate* delegate) {
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if (delegate_) {
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LOG(WARNING) << "The delegate for Stream " << id()
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<< " has already been set.";
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}
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delegate_ = delegate;
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DCHECK(delegate_);
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}
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} // namespace quic
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