f3ecdb981c
BUG=webrtc:4927 R=tommi@webrtc.org, torbjorng@webrtc.org Review URL: https://codereview.webrtc.org/1304043008 . Cr-Commit-Position: refs/heads/master@{#9885}
97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_P2P_BASE_TRANSPORTCHANNELPROXY_H_
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#define WEBRTC_P2P_BASE_TRANSPORTCHANNELPROXY_H_
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#include <string>
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#include <utility>
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#include <vector>
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#include "webrtc/p2p/base/transportchannel.h"
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#include "webrtc/base/messagehandler.h"
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namespace rtc {
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class Thread;
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}
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namespace cricket {
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class TransportChannelImpl;
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// Proxies calls between the client and the transport channel implementation.
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// This is needed because clients are allowed to create channels before the
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// network negotiation is complete. Hence, we create a proxy up front, and
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// when negotiation completes, connect the proxy to the implementaiton.
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class TransportChannelProxy : public TransportChannel,
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public rtc::MessageHandler {
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public:
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TransportChannelProxy(const std::string& content_name,
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int component);
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~TransportChannelProxy() override;
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TransportChannelImpl* impl() { return impl_; }
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TransportChannelState GetState() const override;
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// Sets the implementation to which we will proxy.
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void SetImplementation(TransportChannelImpl* impl);
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// Implementation of the TransportChannel interface. These simply forward to
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// the implementation.
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int SendPacket(const char* data, size_t len,
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const rtc::PacketOptions& options,
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int flags) override;
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int SetOption(rtc::Socket::Option opt, int value) override;
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bool GetOption(rtc::Socket::Option opt, int* value) override;
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int GetError() override;
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virtual IceRole GetIceRole() const;
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bool GetStats(ConnectionInfos* infos) override;
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bool IsDtlsActive() const override;
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bool GetSslRole(rtc::SSLRole* role) const override;
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virtual bool SetSslRole(rtc::SSLRole role);
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bool SetSrtpCiphers(const std::vector<std::string>& ciphers) override;
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bool GetSrtpCipher(std::string* cipher) override;
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bool GetSslCipher(std::string* cipher) override;
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rtc::scoped_refptr<rtc::RTCCertificate> GetLocalCertificate() const override;
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bool GetRemoteSSLCertificate(rtc::SSLCertificate** cert) const override;
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bool ExportKeyingMaterial(const std::string& label,
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const uint8* context,
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size_t context_len,
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bool use_context,
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uint8* result,
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size_t result_len) override;
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private:
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// Catch signals from the implementation channel. These just forward to the
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// client (after updating our state to match).
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void OnReadableState(TransportChannel* channel);
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void OnWritableState(TransportChannel* channel);
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void OnReadPacket(TransportChannel* channel, const char* data, size_t size,
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const rtc::PacketTime& packet_time, int flags);
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void OnReadyToSend(TransportChannel* channel);
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void OnRouteChange(TransportChannel* channel, const Candidate& candidate);
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void OnMessage(rtc::Message* message);
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typedef std::pair<rtc::Socket::Option, int> OptionPair;
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typedef std::vector<OptionPair> OptionList;
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rtc::Thread* worker_thread_;
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TransportChannelImpl* impl_;
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OptionList options_;
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std::vector<std::string> pending_srtp_ciphers_;
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DISALLOW_COPY_AND_ASSIGN(TransportChannelProxy);
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};
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} // namespace cricket
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#endif // WEBRTC_P2P_BASE_TRANSPORTCHANNELPROXY_H_
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