TransportController refactoring.

webrtc/p2p/base/transportchannelproxy.h

-/*
- *  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.
- */
-
-#ifndef WEBRTC_P2P_BASE_TRANSPORTCHANNELPROXY_H_
-#define WEBRTC_P2P_BASE_TRANSPORTCHANNELPROXY_H_
-
-#include <string>
-#include <utility>
-#include <vector>
-
-#include "webrtc/p2p/base/transportchannel.h"
-#include "webrtc/base/messagehandler.h"
-
-namespace rtc {
-class Thread;
-}
-
-namespace cricket {
-
-class TransportChannelImpl;
-
-// Proxies calls between the client and the transport channel implementation.
-// This is needed because clients are allowed to create channels before the
-// network negotiation is complete.  Hence, we create a proxy up front, and
-// when negotiation completes, connect the proxy to the implementaiton.
-class TransportChannelProxy : public TransportChannel,
-                              public rtc::MessageHandler {
- public:
-  TransportChannelProxy(const std::string& content_name,
-                        int component);
-  ~TransportChannelProxy() override;
-
-  TransportChannelImpl* impl() { return impl_; }
-
-  TransportChannelState GetState() const override;
-
-  // Sets the implementation to which we will proxy.
-  void SetImplementation(TransportChannelImpl* impl);
-
-  // Implementation of the TransportChannel interface.  These simply forward to
-  // the implementation.
-  int SendPacket(const char* data, size_t len,
-                 const rtc::PacketOptions& options,
-                 int flags) override;
-  int SetOption(rtc::Socket::Option opt, int value) override;
-  bool GetOption(rtc::Socket::Option opt, int* value) override;
-  int GetError() override;
-  virtual IceRole GetIceRole() const;
-  bool GetStats(ConnectionInfos* infos) override;
-  bool IsDtlsActive() const override;
-  bool GetSslRole(rtc::SSLRole* role) const override;
-  virtual bool SetSslRole(rtc::SSLRole role);
-  bool SetSrtpCiphers(const std::vector<std::string>& ciphers) override;
-  bool GetSrtpCipher(std::string* cipher) override;
-  bool GetSslCipher(std::string* cipher) override;
-  rtc::scoped_refptr<rtc::RTCCertificate> GetLocalCertificate() const override;
-  bool GetRemoteSSLCertificate(rtc::SSLCertificate** cert) const override;
-  bool ExportKeyingMaterial(const std::string& label,
-                            const uint8* context,
-                            size_t context_len,
-                            bool use_context,
-                            uint8* result,
-                            size_t result_len) override;
-
- private:
-  // Catch signals from the implementation channel.  These just forward to the
-  // client (after updating our state to match).
-  void OnReceivingState(TransportChannel* channel);
-  void OnWritableState(TransportChannel* channel);
-  void OnReadPacket(TransportChannel* channel, const char* data, size_t size,
-                    const rtc::PacketTime& packet_time, int flags);
-  void OnReadyToSend(TransportChannel* channel);
-  void OnRouteChange(TransportChannel* channel, const Candidate& candidate);
-
-  void OnMessage(rtc::Message* message) override;
-
-  typedef std::pair<rtc::Socket::Option, int> OptionPair;
-  typedef std::vector<OptionPair> OptionList;
-  rtc::Thread* worker_thread_;
-  TransportChannelImpl* impl_;
-  OptionList options_;
-  std::vector<std::string> pending_srtp_ciphers_;
-
-  RTC_DISALLOW_COPY_AND_ASSIGN(TransportChannelProxy);
-};
-
-}  // namespace cricket
-
-#endif  // WEBRTC_P2P_BASE_TRANSPORTCHANNELPROXY_H_