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67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/*
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* This file is part of the weatherdaemon project.
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* Copyright 2026 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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// Some common functions and handlers for sensors
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#include "weathlib.h"
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/**
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* @brief sensor_alive - test if sensor's thread isn't dead
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* @param s - sensor
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* @return FALSE if thread is dead
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*/
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int sensor_alive(sensordata_t *s){
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if(!s) return FALSE;
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if(pthread_kill(s->thread, 0)) return FALSE;
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return TRUE;
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}
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/**
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* @brief common_onrefresh - common `change onrefresh handler`
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* @param s - sensor
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* @return FALSE if failed
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*/
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int common_onrefresh(sensordata_t *s, void (*handler)(sensordata_t *)){
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FNAME();
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if(!s || !handler) return FALSE;
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s->freshdatahandler = handler;
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return TRUE;
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}
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/**
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* @brief common_kill - common `die` function
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* @param s - sensor
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*/
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void common_kill(sensordata_t *s){
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FNAME();
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if(!s) return;
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if(0 == pthread_kill(s->thread, -9)){
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DBG("%s main thread killed, join", s->name);
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pthread_join(s->thread, NULL);
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DBG("Done");
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}
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DBG("Delete RB");
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sl_RB_delete(&s->ringbuffer);
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if(s->fdes > -1){
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close(s->fdes);
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DBG("FD closed");
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}
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FREE(s->values);
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DBG("Sensor %s killed", s->name);
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}
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