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97 lines
2.7 KiB
97 lines
2.7 KiB
//
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// ccontroller.h
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// ambed
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//
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// Created by Jean-Luc Deltombe (LX3JL) on 15/04/2017.
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// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
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// Copyright © 2020 Thomas A. Early, N7TAE
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//
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// ----------------------------------------------------------------------------
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// This file is part of ambed.
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//
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// xlxd 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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// xlxd 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
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// ----------------------------------------------------------------------------
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#ifndef ccontroller_h
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#define ccontroller_h
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#include "ccallsign.h"
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#include "cstream.h"
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////////////////////////////////////////////////////////////////////////////////////////
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// class
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class CController
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{
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public:
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// constructors
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CController();
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// destructor
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virtual ~CController();
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// initialization
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bool Init(void);
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void Close(void);
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// locks
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void Lock(void) { m_Mutex.lock(); }
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void Unlock(void) { m_Mutex.unlock(); }
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// get
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const char *GetListenIp(void) const { return m_addr; }
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// set
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void SetListenIp(const char *str) { memset(m_addr, 0, INET6_ADDRSTRLEN); strncpy(m_addr, str, INET6_ADDRSTRLEN-1); }
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// task
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void Task(void);
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protected:
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// streams management
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CStream *OpenStream(const CCallsign &, const CIp &, uint8, uint8);
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void CloseStream(uint16);
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// packet decoding helpers
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bool IsValidKeepAlivePacket(const CBuffer &, CCallsign *);
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bool IsValidOpenstreamPacket(const CBuffer &, CCallsign *, uint8 *, uint8 *);
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bool IsValidClosestreamPacket(const CBuffer &, uint16 *);
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// packet encoding helpers
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void EncodeKeepAlivePacket(CBuffer *);
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void EncodeStreamDescrPacket(CBuffer *, const CStream &);
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void EncodeNoStreamAvailablePacket(CBuffer *);
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// codec helpers
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bool IsValidCodecIn(uint8);
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bool IsValidCodecOut(uint8);
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// control socket
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char m_addr[INET6_ADDRSTRLEN];
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CUdpSocket m_Socket;
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// streams
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uint16 m_uiLastStreamId;
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std::mutex m_Mutex;
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std::list<CStream *> m_Streams;
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// thread
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std::atomic<bool> keep_running;
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std::future<void> m_Future;
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};
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////////////////////////////////////////////////////////////////////////////////////////
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#endif /* ccontroller_h */
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