2022-06-15 00:10:54 +03:00

105 lines
3.2 KiB
C

/*
* This file is part of the SSII project.
* Copyright 2022 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 <stdio.h> // printf
#include <stdlib.h> // exit, free
#include <string.h> // strdup
#include <unistd.h> // sleep
#include <usefull_macros.h>
#include "cmdlnopts.h"
#include "sidservo.h"
/*
#include <termios.h> // tcsetattr
#include <unistd.h> // tcsetattr, close, read, write
#include <sys/ioctl.h> // ioctl
#include <stdio.h> // printf, getchar, fopen, perror
#include <stdlib.h> // exit
#include <sys/stat.h> // read
#include <fcntl.h> // read
#include <signal.h> // signal
#include <time.h> // time
#include <string.h> // memcpy
#include <stdint.h> // int types
#include <sys/time.h> // gettimeofday
*/
/**
* This is an example of usage:
* - command line arguments,
* - log file,
* - check of another file version running,
* - signals management,
* - serial port reading/writing.
* The `cmdlnopts.[hc]` are intrinsic files of this demo.
*/
static glob_pars *GP = NULL; // for GP->pidfile need in `signals`
/**
* We REDEFINE the default WEAK function of signal processing
*/
void signals(int sig){
if(sig > 0){
signal(sig, SIG_IGN);
DBG("Get signal %d, quit.\n", sig);
}
LOGERR("Exit with status %d", sig);
if(GP && GP->pidfile) // remove unnesessary PID file
unlink(GP->pidfile);
SSclose();
exit(sig);
}
void iffound_default(pid_t pid){
ERRX("Another copy of this process found, pid=%d. Exit.", pid);
}
int main(int argc, char *argv[]){
initial_setup();
char *self = strdup(argv[0]);
GP = parse_args(argc, argv);
/* if(GP->rest_pars_num){
printf("%d extra options:\n", GP->rest_pars_num);
for(int i = 0; i < GP->rest_pars_num; ++i)
printf("%s\n", GP->rest_pars[i]);
}*/
check4running(self, GP->pidfile);
red("%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) OPENLOG(GP->logfile, LOGLEVEL_ANY, 1);
LOGMSG("Start application...");
if(!SSinit(GP->device, GP->speed)) signals(-2);
/*
double t0 = dtime();
while(1){ // read data from port and print in into terminal
;
}*/
// clean everything
signals(0);
// never reached
return 0;
}