53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/**
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* Channel handling
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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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* @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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*/
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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 _CHANNEL_H_
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#define _CHANNEL_H_
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#include <pthread.h>
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#include "meter.h"
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#include "vzlogger.h"
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#include "buffer.h"
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typedef struct channel {
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char id[5]; /* only for internal usage & debugging */
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reading_id_t identifier; /* channel identifier (OBIS, string) */
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reading_t last; /* most recent reading */
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buffer_t buffer; /* circular queue to buffer readings */
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pthread_cond_t condition; /* pthread syncronization to notify logging thread and local webserver */
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pthread_t thread; /* pthread for asynchronus logging */
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char *middleware; /* url to middleware */
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char *uuid; /* unique identifier for middleware */
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} channel_t;
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/* prototypes */
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void channel_init(channel_t *ch, const char *uuid, const char *middleware, reading_id_t identifier);
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void channel_free(channel_t *ch);
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#endif /* _CHANNEL_H_ */
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