Remove the dependency of TransportChannel and TransportChannelImpl.

webrtc/p2p/base/transportchannel.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.
- */
-
-#include <sstream>
-#include "webrtc/p2p/base/common.h"
-#include "webrtc/p2p/base/transportchannel.h"
-
-namespace cricket {
-
-std::string TransportChannel::ToString() const {
-  const char RECEIVING_ABBREV[2] = { '_', 'R' };
-  const char WRITABLE_ABBREV[2] = { '_', 'W' };
-  std::stringstream ss;
-  ss << "Channel[" << transport_name_ << "|" << component_ << "|"
-     << RECEIVING_ABBREV[receiving_] << WRITABLE_ABBREV[writable_] << "]";
-  return ss.str();
-}
-
-void TransportChannel::set_receiving(bool receiving) {
-  if (receiving_ == receiving) {
-    return;
-  }
-  receiving_ = receiving;
-  SignalReceivingState(this);
-}
-
-void TransportChannel::set_writable(bool writable) {
-  if (writable_ == writable) {
-    return;
-  }
-  LOG_J(LS_VERBOSE, this) << "set_writable from:" << writable_ << " to "
-                          << writable;
-  writable_ = writable;
-  if (writable_) {
-    SignalReadyToSend(this);
-  }
-  SignalWritableState(this);
-}
-
-void TransportChannel::set_dtls_state(DtlsTransportState state) {
-  if (dtls_state_ == state) {
-    return;
-  }
-  LOG_J(LS_VERBOSE, this) << "set_dtls_state from:" << dtls_state_ << " to "
-                          << state;
-  dtls_state_ = state;
-  SignalDtlsState(this, state);
-}
-
-bool TransportChannel::SetSrtpCryptoSuites(const std::vector<int>& ciphers) {
-  return false;
-}
-
-// TODO(guoweis): Remove this function once everything is moved away.
-bool TransportChannel::SetSrtpCiphers(const std::vector<std::string>& ciphers) {
-  std::vector<int> crypto_suites;
-  for (const auto cipher : ciphers) {
-    crypto_suites.push_back(rtc::SrtpCryptoSuiteFromName(cipher));
-  }
-  return SetSrtpCryptoSuites(crypto_suites);
-}
-
-}  // namespace cricket