pull/12/head
Bryan Biedenkapp
4 years ago
parent
f5cb11b467
commit
4fef4a381d
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[Unit]
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Description=DVMProject Host Radio Service
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After=syslog.target network.target
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[Service]
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User=mmdvm
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Type=forking
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ExecStart=/opt/dvm/bin/dvmhost -c /opt/dvm/config.yml
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Restart=on-abnormal
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[Install]
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WantedBy=multi-user.target
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/**
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* Digital Voice Modem - Host Software
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / Host Software
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*
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*/
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//
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// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
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// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
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//
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/*
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* Copyright (C) 2020,2021 by Jonathan Naylor G4KLX
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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 2 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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "modem/port/PseudoPTYPort.h"
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#include "Log.h"
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#include <cstring>
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#include <cassert>
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#include <cstdlib>
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using namespace modem::port;
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#if !defined(_WIN32) && !defined(_WIN64)
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <cerrno>
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#include <fcntl.h>
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#include <unistd.h>
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#include <termios.h>
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#if defined(__linux__)
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#include <pty.h>
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#else
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#include <util.h>
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#endif
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// ---------------------------------------------------------------------------
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// Public Class Members
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// ---------------------------------------------------------------------------
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/// <summary>
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/// Initializes a new instance of the PseudoPTYPort class.
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/// </summary>
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/// <param name="device">Serial port device.</param>
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/// <param name="speed">Serial port speed.</param>
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/// <param name="assertRTS"></param>
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PseudoPTYPort::PseudoPTYPort(const std::string& symlink, SERIAL_SPEED speed, bool assertRTS) : UARTPort(speed, assertRTS),
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m_symlink(symlink)
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{
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/* stub */
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}
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/// <summary>
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/// Finalizes a instance of the PseudoPTYPort class.
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/// </summary>
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PseudoPTYPort::~PseudoPTYPort()
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{
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/* stub */
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}
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/// <summary>
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/// Opens a connection to the serial port.
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/// </summary>
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/// <returns>True, if connection is opened, otherwise false.</returns>
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bool PseudoPTYPort::open()
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{
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assert(m_fd == -1);
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int slavefd;
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char slave[300];
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int result = ::openpty(&m_fd, &slavefd, slave, NULL, NULL);
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if (result < 0) {
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::LogError(LOG_HOST, "Cannot open the pseudo tty - errno : %d", errno);
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return false;
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}
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// remove any previous stale symlink
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::unlink(m_symlink.c_str());
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int ret = ::symlink(slave, m_symlink.c_str());
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if (ret != 0) {
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::LogError(LOG_HOST, "Cannot make symlink to %s with %s", slave, m_symlink.c_str());
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close();
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return false;
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}
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::LogMessage(LOG_HOST, "Made symbolic link from %s to %s", slave, m_symlink.c_str());
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m_device = std::string(::ttyname(m_fd));
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return setTermios();
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}
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/// <summary>
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/// Closes the connection to the serial port.
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/// </summary>
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void PseudoPTYPort::close()
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{
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UARTPort::close();
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::unlink(m_symlink.c_str());
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}
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#endif
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@ -0,0 +1,72 @@
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/**
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* Digital Voice Modem - Host Software
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / Host Software
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*
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*/
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//
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// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
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// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
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//
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/*
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* Copyright (C) 2020,2021 by Jonathan Naylor G4KLX
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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 2 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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#if !defined(__PSEUDO_PTY_PORT_H__)
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#define __PSEUDO_PTY_PORT_H__
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#if !defined(_WIN32) && !defined(_WIN64)
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#include "Defines.h"
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#include "modem/port/UARTPort.h"
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#include <cstring>
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namespace modem
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{
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namespace port
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{
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// ---------------------------------------------------------------------------
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// Class Declaration
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// This class implements low-level routines to communicate via a Linux
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// PTY serial port.
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// ---------------------------------------------------------------------------
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class HOST_SW_API PseudoPTYPort : public UARTPort
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{
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public:
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/// <summary>Initializes a new instance of the PseudoPTYPort class.</summary>
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PseudoPTYPort(const std::string& symlink, SERIAL_SPEED speed, bool assertRTS = false);
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/// <summary>Finalizes a instance of the PseudoPTYPort class.</summary>
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virtual ~PseudoPTYPort();
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/// <summary>Opens a connection to the serial port.</summary>
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virtual bool open();
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/// <summary>Closes the connection to the serial port.</summary>
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virtual void close();
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protected:
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std::string m_symlink;
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}; // class HOST_SW_API PseudoPTYPort : public UARTPort
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} // namespace port
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} // namespace Modem
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#endif
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#endif // __PSEUDO_PTY_PORT_H__
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