92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
/**
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* Wrapper around libsml
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*
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* @package vzlogger
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* @copyright Copyright (c) 2011, The volkszaehler.org project
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* @copyright Copyright (c) 2011, DAI-Labor, TU-Berlin
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* @license http://www.gnu.org/licenses/gpl.txt GNU Public License
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* @author Steffen Vogel <info@steffenvogel.de>
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* @author Juri Glass
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* @author Mathias Runge
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* @author Nadim El Sayed
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*/
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/*
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* This file is part of volkzaehler.org
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*
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* volkzaehler.org 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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* any later version.
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*
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* volkzaehler.org 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 volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SML_H_
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#define _SML_H_
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#include <sml/sml_file.h>
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#include <sml/sml_value.h>
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#include <termios.h>
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#include "meter.h"
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#include "obis.h"
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using namespace std;
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class MeterSML : public Meter {
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public:
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MeterSML(map<string, Option> options);
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virtual ~MeterSML();
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int open();
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int close();
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int read(reading_t *rds, size_t n);
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protected:
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char *host;
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char *device;
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speed_t baudrate;
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int fd; /* file descriptor of port */
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struct termios old_tio; /* required to reset port */
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const int BUFFER_LEN = 8192;
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/**
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* Parses SML list entry and stores it in reading pointed by rd
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*
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* @param list the list entry
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* @param rd the reading to store to
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*/
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void parse(sml_list *list, struct reading *rd);
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/**
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* Open serial port by device
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*
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* @param device the device path, usually /dev/ttyS*
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* @param old_config pointer to termios structure, will be filled with old port configuration
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* @param baudrate the baudrate
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* @return file descriptor, <0 on error
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*/
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int openDevice(const char *device, struct termios *old_config, speed_t baudrate);
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/**
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* Open socket
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*
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* @param node the hostname or ASCII encoded IP address
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* @param the ASCII encoded portnum or service as in /etc/services
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* @return file descriptor, <0 on error
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*/
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int openSocket(const char *node, const char *service);
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};
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#endif /* _SML_H_ */
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