mirror of
https://github.com/eddyem/small_tel.git
synced 2026-05-07 13:27:06 +03:00
233 lines
10 KiB
C
233 lines
10 KiB
C
/*
|
|
* This file is part of the weatherdaemon project.
|
|
* Copyright 2025 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 <assert.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <strings.h>
|
|
#include <usefull_macros.h>
|
|
|
|
#include "cmdlnopts.h"
|
|
#include "mainweather.h"
|
|
|
|
/*
|
|
* here are global parameters initialisation
|
|
*/
|
|
int help;
|
|
|
|
// default values for Gdefault & help
|
|
#define DEFAULT_PORT "12345"
|
|
#define DEFAULT_PID "/tmp/superweatherdaemon.pid"
|
|
|
|
// DEFAULTS
|
|
// default global parameters
|
|
static glob_pars defpars = {
|
|
.port = DEFAULT_PORT,
|
|
.logfile = NULL,
|
|
.verb = 0,
|
|
.pidfile = DEFAULT_PID,
|
|
};
|
|
// default config: all values should be wrong or empty to understand than user change them
|
|
static glob_pars defconf = {
|
|
.verb = -1,
|
|
};
|
|
// only for config
|
|
weather_conf_t WeatherConf = {
|
|
.ahtung_delay = 30*60, // 30 minutes
|
|
.wind.good = 5., // < 5m/s - good weather
|
|
.wind.bad = 10., // > 10m/s - bad weather
|
|
.wind.terrible = 15., // > 15m/s - terrible weather
|
|
.humidity.good = 65.,
|
|
.humidity.bad = 87.,
|
|
.humidity.terrible = 94.,
|
|
.clouds.good = 2500.,
|
|
.clouds.bad = 2000.,
|
|
.clouds.terrible = 500.,
|
|
.clouds.negflag = 1, // the higher values is the better
|
|
.sky.good = -40.,
|
|
.sky.bad = -10.,
|
|
.sky.terrible = 0.,
|
|
.ligtdist.good = 60., // no lightnings near
|
|
.ligtdist.bad = 10., // 10km
|
|
.ligtdist.terrible = 5., // <=5km - ahtung!
|
|
.ligtdist.negflag = 1, // the nearest is the worse
|
|
.ligtdist.shtdnflag = 1, // force shutdown if too close
|
|
};
|
|
|
|
static glob_pars G;
|
|
|
|
/*
|
|
* Define command line options by filling structure:
|
|
* name has_arg flag val type argptr help
|
|
*/
|
|
#define COMMON_OPTS \
|
|
{"port", NEED_ARG, NULL, 0, arg_string, APTR(&G.port), "network port to connect (default: " DEFAULT_PORT "); hint: use \"localhost:port\" to make local net socket"}, \
|
|
{"logfile", NEED_ARG, NULL, 'l', arg_string, APTR(&G.logfile), "save logs to file (default: none)"}, \
|
|
{"pidfile", NEED_ARG, NULL, 'P', arg_string, APTR(&G.pidfile), "pidfile name (default: " DEFAULT_PID ")"}, \
|
|
{"sockpath",NEED_ARG, NULL, 0, arg_string, APTR(&G.sockname), "UNIX socket path (starting from '@' for anonimous) of command socket"}, \
|
|
{"plugin", MULT_PAR, NULL, 'p', arg_string, APTR(&G.plugins), "add this weather plugin (may be a lot of); FORMAT: \"dlpath:l:dev\", where `dlpath` - path of plugin library; `l` - 'D' for device, 'U' for UNIX-socket or 'N' for INET socket; dev - path to device and speed (like /dev/ttyS0:9600), UNIX socket name or host:port for INET"}, \
|
|
{"pollt", NEED_ARG, NULL, 'T', arg_int, APTR(&G.pollt), "set maximal polling interval (seconds, integer)"},
|
|
|
|
sl_option_t cmdlnopts[] = {
|
|
{"help", NO_ARGS, NULL, 'h', arg_int, APTR(&help), "show this help"},
|
|
{"conffile",NEED_ARG, NULL, 'c', arg_string, APTR(&G.conffile), "configuration file name (or non-existant file for help)"},
|
|
{"verb", NO_ARGS, NULL, 'v', arg_none, APTR(&G.verb), "logfile verbocity level (each -v increased)"},
|
|
COMMON_OPTS
|
|
end_option
|
|
};
|
|
|
|
sl_option_t confopts[] = {
|
|
{"verbose", NEED_ARG, NULL, 'a', arg_int, APTR(&G.verb), "logfile verbocity level"},
|
|
{"ahtung_delay",NEED_ARG, NULL, 'b', arg_int, APTR(&WeatherConf.ahtung_delay), "delay in seconds after bad weather to change to good"},
|
|
{"good_wind", NEED_ARG, NULL, 'c', arg_double, APTR(&WeatherConf.wind.good), "good wind while less this"},
|
|
{"bad_wind", NEED_ARG, NULL, 0, arg_double, APTR(&WeatherConf.wind.bad), "bad wind if more than this"},
|
|
{"terrible_wind",NEED_ARG, NULL, 0, arg_double, APTR(&WeatherConf.wind.terrible), "terrible wind if more than this"},
|
|
{"good_humidity",NEED_ARG, NULL, 0, arg_double, APTR(&WeatherConf.humidity.good), "humidity is good until this"},
|
|
{"bad_humidity",NEED_ARG, NULL, 0, arg_double, APTR(&WeatherConf.humidity.bad), "humidity is bad if greater"},
|
|
{"terrible_humidity",NEED_ARG,NULL, 0, arg_double, APTR(&WeatherConf.humidity.terrible), "humidity is terrible if greater"},
|
|
{"good_clouds", NEED_ARG, NULL, 0, arg_double, APTR(&WeatherConf.clouds.good), "good weather when \"clouds value\" less than this"},
|
|
{"bad_clouds", NEED_ARG, NULL, 0, arg_double, APTR(&WeatherConf.clouds.bad), "if greater than this, clouds are bad"},
|
|
{"terrible_clouds",NEED_ARG, NULL, 0, arg_double, APTR(&WeatherConf.clouds.terrible), "if greater, clouds are terrible"},
|
|
{"clouds_negflag",NEED_ARG, NULL, 0, arg_int, APTR(&WeatherConf.clouds.negflag), "==1 to invert sign (lesser value is worst)"},
|
|
{"good_sky", NEED_ARG, NULL, 0, arg_double, APTR(&WeatherConf.sky.good), "sky-ambient less than this is good"},
|
|
{"bad_sky", NEED_ARG, NULL, 0, arg_double, APTR(&WeatherConf.sky.bad), "sky-ambient greater than this is bad"},
|
|
{"terrible_sky",NEED_ARG, NULL, 0, arg_double, APTR(&WeatherConf.sky.terrible), "sky-ambient greater than this is terrible"},
|
|
COMMON_OPTS
|
|
end_option
|
|
};
|
|
#if 0
|
|
static int sortstrings(const void *v1, const void *v2){
|
|
const char **s1 = (const char **)v1, **s2 = (const char **)v2;
|
|
return strcmp(*s1, *s2);
|
|
}
|
|
#endif
|
|
|
|
// compare plugins from configuration and command line; add to command line plugins all new
|
|
// to use similar stations several times you should point for them different settings
|
|
static void compplugins(glob_pars *cmdline, glob_pars *conf){
|
|
if(!cmdline) return;
|
|
char **p;
|
|
int nconf = 0;
|
|
if(conf){
|
|
p = conf->plugins;
|
|
if(p && *p) while(*p++) ++nconf;
|
|
}
|
|
int ncmd = 0;
|
|
p = cmdline->plugins;
|
|
if(p && *p) while(*p++) ++ncmd;
|
|
DBG("Got %d plugins in conf and %d in cmdline", nconf, ncmd);
|
|
// compare plugins and rebuild new list
|
|
int newsize = ncmd + nconf;
|
|
if(newsize == 0) return; // no plugins in both
|
|
char **newarray = MALLOC(char*, newsize + 1); // +1 for ending NULL
|
|
for(int i = 0; i < ncmd; ++i){ newarray[i] = cmdline->plugins[i]; }
|
|
FREE(cmdline->plugins);
|
|
if(conf){
|
|
for(int i = 0; i < nconf; ++i){ newarray[i+ncmd] = conf->plugins[i]; }
|
|
FREE(conf->plugins);
|
|
}
|
|
// don't sort: we need leave priority as user pointed
|
|
//qsort(newarray, newsize, sizeof(char*), sortstrings);
|
|
#ifdef EBUG
|
|
DBG("NOW together:"); p = newarray; while(*p) printf("\t%s\n", *p++);
|
|
#endif
|
|
for(int i = 0; i < newsize-1; ++i){
|
|
if(NULL == newarray[i]) continue;
|
|
for(int j = i+1; j < newsize; ++j){
|
|
if(NULL == newarray[j]) continue;
|
|
if(0 == strcmp(newarray[i], newarray[j])) FREE(newarray[j]);
|
|
}
|
|
}
|
|
// now collect them in order
|
|
int nondoubleidx = 0;
|
|
for(int i = 0; i < newsize; ++i){
|
|
if(newarray[i]){
|
|
if(i != nondoubleidx){
|
|
newarray[nondoubleidx] = newarray[i];
|
|
newarray[i] = NULL;
|
|
}
|
|
++nondoubleidx;
|
|
}
|
|
}
|
|
#if 0
|
|
for(int i = 0; i < newsize;){
|
|
int j = i + 1;
|
|
for(; j < newsize; ++j){
|
|
if(strcmp(newarray[i], newarray[j])) break;
|
|
FREE(newarray[j]);
|
|
}
|
|
if(nondobuleidx != i){
|
|
newarray[nondobuleidx] = newarray[i];
|
|
newarray[i] = NULL;
|
|
}
|
|
++nondobuleidx;
|
|
i = j;
|
|
}
|
|
#endif
|
|
#ifdef EBUG
|
|
DBG("Result:"); p = newarray; while(*p) printf("\t%s\n", *p++);
|
|
#endif
|
|
cmdline->plugins = newarray;
|
|
cmdline->nplugins = nondoubleidx;
|
|
}
|
|
|
|
/**
|
|
* Parse command line options and return dynamically allocated structure
|
|
* to global parameters
|
|
* @param argc - copy of argc from main
|
|
* @param argv - copy of argv from main
|
|
* @return allocated structure with global parameters
|
|
*/
|
|
glob_pars *parse_args(int argc, char **argv){
|
|
G = defpars; // copy defaults
|
|
// format of help: "Usage: progname [args]\n"
|
|
sl_helpstring("Usage: %s [args]\n\t" COLOR_RED "Be careful: command line options have priority over config" COLOR_OLD "\n\tWhere args are:\n");
|
|
// parse arguments
|
|
sl_parseargs(&argc, &argv, cmdlnopts);
|
|
DBG("verb: %d", G.verb);
|
|
if(help) sl_showhelp(-1, cmdlnopts);
|
|
if(argc > 0){
|
|
WARNX("You give %d unused parameters:", argc);
|
|
while(argc) printf("\t%s\n", argv[--argc]);
|
|
}
|
|
DBG("PARS: \n-------------\n%s-------------\n\n", sl_print_opts(cmdlnopts, 1));
|
|
if(G.conffile){ // read conffile and fix parameters (cmdline args are in advantage)
|
|
glob_pars oldpars = G; // save cmdline opts
|
|
G = defconf;
|
|
if(!sl_conf_readopts(oldpars.conffile, confopts)){
|
|
fprintf(stderr, "\nDefault options:\n%s\n", sl_print_opts(confopts, 1));
|
|
sl_conf_showhelp(-1, confopts);
|
|
return NULL;
|
|
}
|
|
DBG("CONF: \n-------------\n%s-------------\n\n", sl_print_opts(confopts, 1));
|
|
if((0 == strcmp(oldpars.port, DEFAULT_PORT)) && G.port) oldpars.port = G.port;
|
|
if(!oldpars.logfile && G.logfile) oldpars.logfile = G.logfile;
|
|
if(!oldpars.verb && G.verb > -1) oldpars.verb = G.verb;
|
|
if(G.pollt > 0 && oldpars.pollt == 0) oldpars.pollt = G.pollt;
|
|
if((0 == strcmp(oldpars.pidfile, DEFAULT_PID)) && G.pidfile) oldpars.pidfile = G.pidfile;
|
|
if(!oldpars.sockname && G.sockname) oldpars.sockname = G.sockname;
|
|
// now check plugins
|
|
compplugins(&oldpars, &G);
|
|
G = oldpars;
|
|
}else compplugins(&G, NULL);
|
|
DBG("RESULT: \n-------------\n%s-------------\n\n", sl_print_opts(cmdlnopts, 1));
|
|
DBG("Nplugins = %d", G.nplugins);
|
|
return &G;
|
|
}
|
|
|