Rename QuicDataStream to QuicSpdyStream. No behavior change.

net/quic/quic_data_stream.cc

-// Copyright 2013 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/quic_data_stream.h"
-
-#include "base/logging.h"
-#include "net/quic/quic_spdy_session.h"
-#include "net/quic/quic_utils.h"
-#include "net/quic/quic_write_blocked_list.h"
-
-using base::StringPiece;
-using std::min;
-
-namespace net {
-
-#define ENDPOINT                                                               \
-  (session()->perspective() == Perspective::IS_SERVER ? "Server: " : "Client:" \
-                                                                     " ")
-
-namespace {
-
-// This is somewhat arbitrary.  It's possible, but unlikely, we will either fail
-// to set a priority client-side, or cancel a stream before stripping the
-// priority from the wire server-side.  In either case, start out with a
-// priority in the middle.
-QuicPriority kDefaultPriority = 3;
-
-}  // namespace
-
-QuicDataStream::QuicDataStream(QuicStreamId id, QuicSpdySession* spdy_session)
-    : ReliableQuicStream(id, spdy_session),
-      spdy_session_(spdy_session),
-      visitor_(nullptr),
-      headers_decompressed_(false),
-      priority_(kDefaultPriority) {
-  DCHECK_NE(kCryptoStreamId, id);
-  // Don't receive any callbacks from the sequencer until headers
-  // are complete.
-  sequencer()->SetBlockedUntilFlush();
-}
-
-QuicDataStream::~QuicDataStream() {
-}
-
-size_t QuicDataStream::WriteHeaders(
-    const SpdyHeaderBlock& header_block,
-    bool fin,
-    QuicAckListenerInterface* ack_notifier_delegate) {
-  size_t bytes_written = spdy_session_->WriteHeaders(
-      id(), header_block, fin, priority_, ack_notifier_delegate);
-  if (fin) {
-    // TODO(rch): Add test to ensure fin_sent_ is set whenever a fin is sent.
-    set_fin_sent(true);
-    CloseWriteSide();
-  }
-  return bytes_written;
-}
-
-size_t QuicDataStream::Readv(const struct iovec* iov, size_t iov_len) {
-  DCHECK(FinishedReadingHeaders());
-  return sequencer()->Readv(iov, iov_len);
-}
-
-int QuicDataStream::GetReadableRegions(iovec* iov, size_t iov_len) const {
-  DCHECK(FinishedReadingHeaders());
-  return sequencer()->GetReadableRegions(iov, iov_len);
-}
-
-void QuicDataStream::MarkConsumed(size_t num_bytes) {
-  DCHECK(FinishedReadingHeaders());
-  return sequencer()->MarkConsumed(num_bytes);
-}
-
-bool QuicDataStream::IsDoneReading() const {
-  if (!headers_decompressed_ || !decompressed_headers_.empty()) {
-    return false;
-  }
-  return sequencer()->IsClosed();
-}
-
-bool QuicDataStream::HasBytesToRead() const {
-  return !decompressed_headers_.empty() || sequencer()->HasBytesToRead();
-}
-
-void QuicDataStream::MarkHeadersConsumed(size_t bytes_consumed) {
-  decompressed_headers_.erase(0, bytes_consumed);
-  if (FinishedReadingHeaders()) {
-    sequencer()->SetUnblocked();
-  }
-}
-
-void QuicDataStream::set_priority(QuicPriority priority) {
-  DCHECK_EQ(0u, stream_bytes_written());
-  priority_ = priority;
-}
-
-QuicPriority QuicDataStream::EffectivePriority() const {
-  return priority();
-}
-
-void QuicDataStream::OnStreamHeaders(StringPiece headers_data) {
-  headers_data.AppendToString(&decompressed_headers_);
-}
-
-void QuicDataStream::OnStreamHeadersPriority(QuicPriority priority) {
-  DCHECK_EQ(Perspective::IS_SERVER, session()->connection()->perspective());
-  set_priority(priority);
-}
-
-void QuicDataStream::OnStreamHeadersComplete(bool fin, size_t frame_len) {
-  headers_decompressed_ = true;
-  if (fin) {
-    OnStreamFrame(QuicStreamFrame(id(), fin, 0, StringPiece()));
-  }
-  if (FinishedReadingHeaders()) {
-    sequencer()->SetUnblocked();
-  }
-}
-
-void QuicDataStream::OnClose() {
-  ReliableQuicStream::OnClose();
-
-  if (visitor_) {
-    Visitor* visitor = visitor_;
-    // Calling Visitor::OnClose() may result the destruction of the visitor,
-    // so we need to ensure we don't call it again.
-    visitor_ = nullptr;
-    visitor->OnClose(this);
-  }
-}
-
-bool QuicDataStream::FinishedReadingHeaders() const {
-  return headers_decompressed_ && decompressed_headers_.empty();
-}
-
-}  // namespace net