mirror of
https://github.com/mii443/libdatachannel.git
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68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/**
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* Copyright (c) 2020 Paul-Louis Ageneau
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef RTC_IMPL_DTLS_SRTP_TRANSPORT_H
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#define RTC_IMPL_DTLS_SRTP_TRANSPORT_H
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#include "dtlstransport.hpp"
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#include "common.hpp"
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#if RTC_ENABLE_MEDIA
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#if RTC_SYSTEM_SRTP
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#include <srtp2/srtp.h>
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#else
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#include "srtp.h"
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#endif
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#include <atomic>
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namespace rtc::impl {
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class DtlsSrtpTransport final : public DtlsTransport {
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public:
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static void Init();
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static void Cleanup();
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DtlsSrtpTransport(std::shared_ptr<IceTransport> lower, certificate_ptr certificate,
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std::optional<size_t> mtu, verifier_callback verifierCallback,
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message_callback srtpRecvCallback, state_callback stateChangeCallback);
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~DtlsSrtpTransport();
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bool sendMedia(message_ptr message);
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private:
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void incoming(message_ptr message) override;
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void postHandshake() override;
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message_callback mSrtpRecvCallback;
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srtp_t mSrtpIn, mSrtpOut;
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std::atomic<bool> mInitDone = false;
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unsigned char mClientSessionKey[SRTP_AES_ICM_128_KEY_LEN_WSALT];
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unsigned char mServerSessionKey[SRTP_AES_ICM_128_KEY_LEN_WSALT];
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std::mutex sendMutex;
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};
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} // namespace rtc
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#endif
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#endif
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