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79 lines
2.5 KiB
79 lines
2.5 KiB
#pragma once
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// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
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// urfd -- The universal reflector
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// Copyright © 2021 Thomas A. Early N7TAE
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program 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
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#include "Defines.h"
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#include "Version.h"
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#include "Timer.h"
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#include "SEProtocol.h"
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#include "Clients.h"
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////////////////////////////////////////////////////////////////////////////////////////
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class CPeer;
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////////////////////////////////////////////////////////////////////////////////////////
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// class
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class CBMProtocol : public CSEProtocol
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{
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public:
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// initialization
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bool Initialize(const char *type, const EProtocol ptype, const uint16_t port, const bool has_ipv4, const bool has_ipv6);
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// task
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void Task(void);
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protected:
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// queue helper
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void HandleQueue(void);
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// keepalive helpers
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void HandlePeerLinks(void);
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void HandleKeepalives(void);
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// stream helpers
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void OnDvHeaderPacketIn(std::unique_ptr<CDvHeaderPacket> &, const CIp &);
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// packet decoding helpers
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bool IsValidDvHeaderPacket(const CBuffer &, std::unique_ptr<CDvHeaderPacket> &);
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bool IsValidKeepAlivePacket(const CBuffer &, CCallsign *);
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bool IsValidConnectPacket(const CBuffer &, CCallsign *, char *, CVersion *);
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bool IsValidDisconnectPacket(const CBuffer &, CCallsign *);
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bool IsValidAckPacket(const CBuffer &, CCallsign *, char *, CVersion *);
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bool IsValidNackPacket(const CBuffer &, CCallsign *);
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bool IsValidDvFramePacket(const CBuffer &, std::unique_ptr<CDvFramePacket> &);
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// packet encoding helpers
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void EncodeKeepAlivePacket(CBuffer *);
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void EncodeConnectPacket(CBuffer *, const char *);
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void EncodeDisconnectPacket(CBuffer *);
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void EncodeConnectAckPacket(CBuffer *, const char *);
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void EncodeConnectNackPacket(CBuffer *);
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bool EncodeDvHeaderPacket(const CDvHeaderPacket &, CBuffer &) const;
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bool EncodeDvFramePacket(const CDvFramePacket &, CBuffer &) const;
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protected:
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// time
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CTimer m_LastKeepaliveTime;
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CTimer m_LastPeersLinkTime;
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// config data;
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bool m_HasTranscoder;
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};
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