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some fixes; added chkweather

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This commit is contained in:
Edward Emelianov
2026-05-13 13:41:36 +03:00
parent 9e05bdd807
commit a31d809c2e
5 changed files with 61 additions and 16 deletions
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10
Daemons/weather_proxy/Makefile
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@@ -2,7 +2,7 @@ CC = gcc
CFLAGS = -Wall -Wextra -fPIC -DEBUG
LDFLAGS = -lrt -pthread -lusefull_macros
all: weather_daemon libweather.so weather_clt_example
all: weather_daemon libweather.so weather_clt_example chkweather
weather_daemon: weather_daemon.o
$(CC) -o $@ $^ $(LDFLAGS)
@@ -10,6 +10,9 @@ weather_daemon: weather_daemon.o
weather_clt_example: weather_clt_example.o
$(CC) -o $@ $^ $(LDFLAGS) -l weather -L.
chkweather: chkweather.o
$(CC) -o $@ $^ $(LDFLAGS) -l weather -L.
weather_daemon.o: weather_daemon.c weather_data.h
$(CC) $(CFLAGS) -c $<
@@ -25,9 +28,12 @@ weather_client.o: weather_client.c weather_data.h
weather_clt_example.o: weather_clt_example.c libweather.so
$(CC) $(CFLAGS) -c $<
chkweather.o: chkweather.c libweather.so
$(CC) $(CFLAGS) -c $<
clean:
rm -f *.o weather_daemon libweather.so libweather.a weather_clt_example
install:
cp libweather.so /usr/local/lib/
cp weather_data.h /usr/local/include/
cp weather_data.h /usr/local/include/

40
Daemons/weather_proxy/chkweather.c Normal file
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@@ -0,0 +1,40 @@
/*
* This file is part of the weather_proxy project.
* Copyright 2026 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "weather_data.h"
#include <stdio.h>
int main() {
weather_data_t wd;
int errcode = 3;
if(get_weather_data(&wd) == 0){
char strt[64];
struct tm *T = localtime(&wd.last_update);
strftime(strt, 63, "%F %T", T);
printf("Windmax=%.1f\nRain=%d\nClouds=%.1f\nWind=%.1f\nExttemp=%.1f\n"
"Pres=%.1f\nHumid=%.1f\nMeteo=local\nForceOFF=%d\n",
wd.windmax, wd.rain, wd.clouds, wd.wind, wd.exttemp,
wd.pressure, wd.humidity, wd.forceoff);
if(!wd.forceoff) errcode = wd.weather;
}else{
fprintf(stderr, "Failed to get weather data\n");
}
return errcode;
}
// echo -e "Rain=$Rain\nClouds=$Clouds\nWind=$Wind\nExttemp=$Exttemp\nPres=$Pres\nHumid=$Humid\nMeteo=$Meteo"

4
Daemons/weather_proxy/weather_clt_example.c
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@@ -25,8 +25,8 @@ int main() {
char strt[64];
struct tm *T = localtime(&wd.last_update);
strftime(strt, 63, "%F %T", T);
printf("Prohibited: %d\nWeather: %d\nMax wind: %.1f\nWind: %.1f\nTemp: %.1f\nPressure: %.1f\nHumidity: %.1f\nupdated @%zd (%s)\n",
wd.prohibited, wd.weather, wd.windmax, wd.wind, wd.exttemp, wd.pressure, wd.humidity,
printf("ForceOFF: %d\nWeather: %d\nMax wind: %.1f\nWind: %.1f\nTemp: %.1f\nPressure: %.1f\nHumidity: %.1f\nupdated @%zd (%s)\n",
wd.forceoff, wd.weather, wd.windmax, wd.wind, wd.exttemp, wd.pressure, wd.humidity,
wd.last_update, strt);
}else{
fprintf(stderr, "Failed to get weather data\n");

13
Daemons/weather_proxy/weather_daemon.c
View File

@@ -165,7 +165,7 @@ static void FITS_update(const char *line, int finish){
static FILE *tmp = NULL;
static char templ[32]; // temporary file name
if(!tmp){ // try to create new temporary file
sprintf(templ, "/tmp/fitshdrXXXXXX");
sprintf(templ, "%sXXXXXX", G.fitsheader);
int fd = mkstemp(templ);
if(fd < 0){
WARN("mkstemp()");
@@ -232,16 +232,15 @@ static void parse_line(const char *line, weather_data_t *data) {
}else if (strcmp(key, "HUMIDITY") == 0){
data->humidity = atof(value);
printf("got humidity: %g\n", data->humidity);
}else if (strcmp(key, "PROHIBIT") == 0){
data->prohibited = atoi(value);
}else if (strcmp(key, "TMEAS") == 0){ // last line in message -> update
}else if (strcmp(key, "FORCEOFF") == 0){
data->forceoff = atoi(value);
}else if (strcmp(key, "TWEATH") == 0){ // last line in message -> update
data->last_update = atof(value);
if(data->weather == WEATHER_PROHIBITED || forbidden) data->prohibited = 1;
else if(data->weather < WEATHER_PROHIBITED) data->prohibited = 0;
if(forbidden) data->weather = WEATHER_PROHIBITED;
// update all
update_shm(data);
update = 1;
}else update = -1;
}//else update = -1;
if(update > -1 && G.fitsheader){
FITS_update(line, update);
}

10
Daemons/weather_proxy/weather_data.h
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@@ -7,10 +7,10 @@
#define SEM_NAME "/weather_sem"
typedef enum {
WEATHER_GOOD = 0, // may start observations
WEATHER_BAD = 1, // cannot start but can continue if want
WEATHER_TERRIBLE = 2, // close & park: wind, precipitation, humidity etc.
WEATHER_PROHIBITED = 3, // force closing & parking; power off equipment, ready to power off computer
WEATHER_GOOD = 0, // may start observations
WEATHER_BAD = 1, // cannot start but can continue if want
WEATHER_TERRIBLE = 2, // close & park: wind, precipitation, humidity etc.
WEATHER_PROHIBITED = 3, // force closing & parking; power off equipment, ready to power off computer
} weather_condition_t;
typedef struct {
@@ -22,7 +22,7 @@ typedef struct {
float pressure; // atm. pressure, mmHg: "PRESSURE"
float humidity; // humidity, percents: "HUMIDITY"
int rain; // ==1 when rainy: "PRECIP"
int prohibited; // ==1 if "weather == prohibited" or got `prohibited` signal -> ready to power off
int forceoff; // force power off (AC power lost or lightning)
time_t last_update; // value of "TMEAS"
} weather_data_t;