Add QuicTransportChannel methods for QUIC streams

webrtc/p2p/quic/reliablequicstream.cc

 /*
  *  Copyright 2016 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/p2p/quic/reliablequicstream.h"
 
 #include <string>
 
+#include "net/quic/quic_session.h"
 #include "webrtc/base/checks.h"
 
 namespace cricket {
 
 ReliableQuicStream::ReliableQuicStream(net::QuicStreamId id,
                                        net::QuicSession* session)
     : net::ReliableQuicStream(id, session) {
   RTC_DCHECK_NE(net::kCryptoStreamId, id);
 }
 
 ReliableQuicStream::~ReliableQuicStream() {}
 
 void ReliableQuicStream::OnDataAvailable() {
   struct iovec iov;
   while (sequencer()->GetReadableRegions(&iov, 1) == 1) {
     SignalDataReceived(id(), reinterpret_cast<const char*>(iov.iov_base),
                        iov.iov_len);
     sequencer()->MarkConsumed(iov.iov_len);
   }
 }
 
 void ReliableQuicStream::OnClose() {
   net::ReliableQuicStream::OnClose();
   SignalClosed(id(), connection_error());
 }
 
-rtc::StreamResult ReliableQuicStream::Write(const char* data, size_t len) {
+rtc::StreamResult ReliableQuicStream::Write(const char* data,
+                                            size_t len,
+                                            bool fin) {
   // Writes the data, or buffers it.
-  WriteOrBufferData(std::string(data, len), false, nullptr);
+  WriteOrBufferData(std::string(data, len), fin, nullptr);
   if (HasBufferedData()) {
     return rtc::StreamResult(rtc::SR_BLOCK);
   }
-
   return rtc::StreamResult(rtc::SR_SUCCESS);
 }
 
+void ReliableQuicStream::Close() {
+  net::ReliableQuicStream::session()->CloseStream(id());
+}
+
+void ReliableQuicStream::OnCanWrite() {
+  uint64_t prev_queued_bytes = queued_data_bytes();
+  net::ReliableQuicStream::OnCanWrite();
+  uint64_t queued_bytes_written = prev_queued_bytes - queued_data_bytes();
+  SignalQueuedBytesWritten(id(), queued_bytes_written);
+}
+
 }  // namespace cricket