118 lines
3.6 KiB
C

/*
* This file is part of the loccorr project.
* Copyright 2021 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 <signal.h> // signal
#include <string.h> // strdup
#include <usefull_macros.h>
#include "cmdlnopts.h"
#include "improc.h"
/**
* We REDEFINE the default WEAK function of signal processing
*/
void signals(int sig){
DBG("exit %d", sig);
if(sig){
signal(sig, SIG_IGN);
DBG("Get signal %d, quit.\n", sig);
}
closeXYlog();
if(GP && GP->pidfile) // remove unnesessary PID file
unlink(GP->pidfile);
LOGERR("Exit with status %d", sig);
exit(sig);
}
void iffound_default(pid_t pid){
ERRX("Another copy of this process found, pid=%d. Exit.", pid);
}
static InputType chk_inp(const char *name){
if(!name) ERRX("Point file or directory name to monitor");
InputType tp = chkinput(GP->inputname);
if(T_WRONG == tp) return T_WRONG;
green("\n%s is a ", name);
switch(tp){
case T_DIRECTORY:
printf("directory");
break;
case T_JPEG:
printf("jpeg");
break;
case T_PNG:
printf("png");
break;
case T_GIF:
printf("gif");
break;
case T_FITS:
printf("fits");
break;
case T_BMP:
printf("bmp");
break;
case T_GZIP:
printf("maybe fits.gz?");
break;
case T_CAPT_GRASSHOPPER:
printf("capture grasshopper camera");
break;
default:
printf("Unsupported type\n");
return T_WRONG;
}
printf("\n");
return tp;
}
int main(int argc, char *argv[]){
initial_setup();
char *self = strdup(argv[0]);
GP = parse_args(argc, argv);
if(GP->throwpart < 0. || GP->throwpart > 0.99){
ERRX("Fraction of black pixels should be in [0., 0.99]");
}
InputType tp = chk_inp(GP->inputname);
if(tp == T_WRONG) ERRX("Enter correct image file or directory name");
check4running(self, GP->pidfile);
DBG("%s started, snippets library version is %s\n", self, sl_libversion());
free(self);
signal(SIGTERM, signals); // kill (-15) - quit
signal(SIGHUP, SIG_IGN); // hup - ignore
signal(SIGINT, signals); // ctrl+C - quit
signal(SIGQUIT, signals); // ctrl+\ - quit
signal(SIGTSTP, SIG_IGN); // ignore ctrl+Z
if(GP->logfile){
sl_loglevel lvl = LOGLEVEL_ERR; // default log level - errors
int v = GP->verb;
while(v--){ // increase loglevel for each "-v"
if(++lvl == LOGLEVEL_ANY) break;
}
OPENLOG(GP->logfile, lvl, 1);
DBG("Opened log file @ level %d", lvl);
}
if(GP->logXYname) openXYlog(GP->logXYname);
LOGMSG("Start application...");
LOGDBG("xtag=%g, ytag=%g", GP->xtarget, GP->ytarget);
int p = process_input(tp, GP->inputname);
// never reached
signals(p); // clean everything
return p;
}