Split ByteBuffer into writer/reader objects.

webrtc/p2p/base/pseudotcp.cc

 /*
  *  Copyright 2004 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.
  */
 
@@ skipping 1150 matching lines @@
   return !available_space;
 }
 
 void
 PseudoTcp::disableWindowScale() {
   m_support_wnd_scale = false;
 }
 
 void
 PseudoTcp::queueConnectMessage() {
-  rtc::ByteBuffer buf(rtc::ByteBuffer::ORDER_NETWORK);
+  rtc::ByteBufferWriter buf(rtc::ByteBuffer::ORDER_NETWORK);
 
   buf.WriteUInt8(CTL_CONNECT);
   if (m_support_wnd_scale) {
     buf.WriteUInt8(TCP_OPT_WND_SCALE);
     buf.WriteUInt8(1);
     buf.WriteUInt8(m_rwnd_scale);
   }
   m_snd_wnd = static_cast<uint32_t>(buf.Length());
   queue(buf.Data(), static_cast<uint32_t>(buf.Length()), true);
 }
 
 void PseudoTcp::parseOptions(const char* data, uint32_t len) {
   std::set<uint8_t> options_specified;
 
   // See http://www.freesoft.org/CIE/Course/Section4/8.htm for
   // parsing the options list.
-  rtc::ByteBuffer buf(data, len);
+  rtc::ByteBufferReader buf(data, len);
   while (buf.Length()) {
     uint8_t kind = TCP_OPT_EOL;
     buf.ReadUInt8(&kind);
 
     if (kind == TCP_OPT_EOL) {
       // End of option list.
       break;
     } else if (kind == TCP_OPT_NOOP) {
       // No op.
       continue;
@@ skipping 75 matching lines @@
   m_rbuf_len = new_size;
   m_rwnd_scale = scale_factor;
   m_ssthresh = new_size;
 
   size_t available_space = 0;
   m_rbuf.GetWriteRemaining(&available_space);
   m_rcv_wnd = static_cast<uint32_t>(available_space);
 }
 
 }  // namespace cricket