| /* |
| * libjingle |
| * Copyright 2004--2005, Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #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, |
| const std::string& name, |
| int component); |
| virtual ~TransportChannelProxy(); |
| |
| const std::string& name() const { return name_; } |
| TransportChannelImpl* impl() { return impl_; } |
| |
| // Sets the implementation to which we will proxy. |
| void SetImplementation(TransportChannelImpl* impl); |
| |
| // Implementation of the TransportChannel interface. These simply forward to |
| // the implementation. |
| virtual int SendPacket(const char* data, size_t len, |
| const rtc::PacketOptions& options, |
| int flags); |
| virtual int SetOption(rtc::Socket::Option opt, int value); |
| virtual int GetError(); |
| virtual IceRole GetIceRole() const; |
| virtual bool GetStats(ConnectionInfos* infos); |
| virtual bool IsDtlsActive() const; |
| virtual bool GetSslRole(rtc::SSLRole* role) const; |
| virtual bool SetSslRole(rtc::SSLRole role); |
| virtual bool SetSrtpCiphers(const std::vector<std::string>& ciphers); |
| virtual bool GetSrtpCipher(std::string* cipher); |
| virtual bool GetLocalIdentity(rtc::SSLIdentity** identity) const; |
| virtual bool GetRemoteCertificate(rtc::SSLCertificate** cert) const; |
| virtual bool ExportKeyingMaterial(const std::string& label, |
| const uint8* context, |
| size_t context_len, |
| bool use_context, |
| uint8* result, |
| size_t result_len); |
| |
| private: |
| // Catch signals from the implementation channel. These just forward to the |
| // client (after updating our state to match). |
| void OnReadableState(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); |
| |
| typedef std::pair<rtc::Socket::Option, int> OptionPair; |
| typedef std::vector<OptionPair> OptionList; |
| std::string name_; |
| rtc::Thread* worker_thread_; |
| TransportChannelImpl* impl_; |
| OptionList pending_options_; |
| std::vector<std::string> pending_srtp_ciphers_; |
| |
| DISALLOW_EVIL_CONSTRUCTORS(TransportChannelProxy); |
| }; |
| |
| } // namespace cricket |
| |
| #endif // WEBRTC_P2P_BASE_TRANSPORTCHANNELPROXY_H_ |