/** * Digital Voice Modem - Host Software * GPLv2 Open Source. Use is subject to license terms. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * @package DVM / Host Software * */ // // Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost) // Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0) // /* * Copyright (C) 2022 by Bryan Biedenkapp N2PLL * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #if !defined(__NXDN_PACKET_TRUNK_H__) #define __NXDN_PACKET_TRUNK_H__ #include "Defines.h" #include "nxdn/Control.h" #include "nxdn/lc/RCCH.h" #include "network/BaseNetwork.h" #include #include namespace nxdn { // --------------------------------------------------------------------------- // Class Prototypes // --------------------------------------------------------------------------- namespace packet { class HOST_SW_API Data; } namespace packet { class HOST_SW_API Voice; } class HOST_SW_API Control; namespace packet { // --------------------------------------------------------------------------- // Class Declaration // This class implements handling logic for NXDN control signalling packets. // --------------------------------------------------------------------------- class HOST_SW_API Trunk { public: /// Resets the data states for the RF interface. virtual void resetRF(); /// Resets the data states for the network. virtual void resetNet(); /// Process a data frame from the RF interface. virtual bool process(uint8_t fct, uint8_t option, uint8_t* data, uint32_t len); /// Process a data frame from the network. virtual bool processNetwork(uint8_t fct, uint8_t option, lc::RTCH& netLC, uint8_t* data, uint32_t len); /// Updates the processor by the passed number of milliseconds. void clock(uint32_t ms); protected: friend class nxdn::packet::Data; friend class nxdn::packet::Voice; friend class nxdn::Control; Control* m_nxdn; network::BaseNetwork* m_network; lc::RCCH m_rfLC; lc::RCCH m_netLC; uint16_t m_lastRejectId; bool m_dumpRCCH; bool m_verbose; bool m_debug; /// Initializes a new instance of the Trunk class. Trunk(Control* nxdn, network::BaseNetwork* network, bool dumpRCCHData, bool debug, bool verbose); /// Finalizes a instance of the Trunk class. virtual ~Trunk(); /// Write data processed from RF to the network. void writeNetwork(const uint8_t* data, uint32_t len); /// Helper to write control channel packet data. void writeRF_ControlData(uint8_t frameCnt, uint8_t n, bool adjSS); /// Helper to write a CC SITE_INFO broadcast packet on the RF interface. void writeRF_CC_Site_Info(); /// Helper to write a CC SRV_INFO broadcast packet on the RF interface. void writeRF_CC_Service_Info(); }; } // namespace packet } // namespace nxdn #endif // __NXDN_PACKET_TRUNK_H__