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Unified Diff: net/quic/reliable_quic_stream.cc

Issue 11367082: Add QuicStream and friends to QUIC code. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix Created 8 years, 1 month ago
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Index: net/quic/reliable_quic_stream.cc
diff --git a/net/quic/reliable_quic_stream.cc b/net/quic/reliable_quic_stream.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3cdde2648ebb6bb2d8d821dc0ae7f1396eb7db60
--- /dev/null
+++ b/net/quic/reliable_quic_stream.cc
@@ -0,0 +1,126 @@
+// Copyright (c) 2012 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/reliable_quic_stream.h"
+
+#include "net/quic/quic_session.h"
+
+using base::StringPiece;
+
+namespace net {
+
+ReliableQuicStream::ReliableQuicStream(QuicStreamId id,
+ QuicSession* session)
+ : sequencer_(this),
+ id_(id),
+ offset_(0),
+ session_(session),
+ error_(QUIC_NO_ERROR),
+ read_side_closed_(false),
+ write_side_closed_(false) {
+}
+
+ReliableQuicStream::~ReliableQuicStream() {
+}
+
+bool ReliableQuicStream::WillAcceptStreamFrame(
+ const QuicStreamFrame& frame) const {
+ if (read_side_closed_) {
+ return false;
+ }
+ if (frame.stream_id != id_) {
+ LOG(ERROR) << "Error!";
+ return false;
+ }
+ return sequencer_.WillAcceptStreamFrame(frame);
+}
+
+bool ReliableQuicStream::OnStreamFrame(const QuicStreamFrame& frame) {
+ DCHECK_EQ(frame.stream_id, id_);
+ if (read_side_closed_) {
+ // This can only happen if a client sends data after sending a fin or stream
+ // reset.
+ Close(QUIC_STREAM_DATA_AFTER_TERMINATION);
+ return false;
+ }
+
+ bool accepted = sequencer_.OnStreamFrame(frame);
+
+ if (frame.fin) {
+ sequencer_.CloseStreamAtOffset(frame.offset + frame.data.size(),
+ true);
+ }
+
+ return accepted;
+}
+
+void ReliableQuicStream::OnStreamReset(QuicErrorCode error,
+ QuicStreamOffset offset) {
+ error_ = error;
+ sequencer_.CloseStreamAtOffset(offset, false); // Full close
+}
+
+void ReliableQuicStream::ConnectionClose(QuicErrorCode error, bool from_peer) {
+ error_ = error;
+ if (from_peer) {
+ TerminateFromPeer(false);
+ } else {
+ CloseWriteSide();
+ CloseReadSide();
+ }
+}
+
+void ReliableQuicStream::TerminateFromPeer(bool half_close) {
+ if (!half_close) {
+ CloseWriteSide();
+ }
+ CloseReadSide();
+}
+
+void ReliableQuicStream::Close(QuicErrorCode error) {
+ error_ = error;
+ session()->SendRstStream(id(), error, offset_);
+}
+
+bool ReliableQuicStream::IsHalfClosed() {
+ return sequencer_.IsHalfClosed();
+}
+
+bool ReliableQuicStream::HasBytesToRead() {
+ return sequencer_.HasBytesToRead();
+}
+
+int ReliableQuicStream::WriteData(StringPiece data, bool fin) {
+ if (write_side_closed_) {
+ DLOG(ERROR) << "Attempt to write when the write side is closed";
+ return 0;
+ }
+
+ session()->WriteData(id(), data, offset_, fin);
+ offset_ += data.length();
+ if (fin) {
+ CloseWriteSide();
+ }
+ return data.length();
+}
+
+void ReliableQuicStream::CloseReadSide() {
+ DLOG(INFO) << "Done reading from stream " << id();
+
+ read_side_closed_ = true;
+ if (write_side_closed_) {
+ session_->CloseStream(id());
+ }
+}
+
+void ReliableQuicStream::CloseWriteSide() {
+ DLOG(INFO) << "Done writing to stream " << id();
+
+ write_side_closed_ = true;
+ if (read_side_closed_) {
+ session_->CloseStream(id());
+ }
+}
+
+} // namespace net
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