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113 lines
3.8 KiB
C
113 lines
3.8 KiB
C
/*
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* This file is part of the baader_dome 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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#include <inttypes.h>
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#include <signal.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <usefull_macros.h>
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#include "socket.h"
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#include "term.h"
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typedef struct{
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int help;
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int verbose;
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int isunix;
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int maxclients;
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int serspeed;
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double sertmout;
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char *logfile;
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char *node;
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char *termpath;
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char *pidfile;
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} parameters;
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static parameters G = {
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.maxclients = 2,
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.serspeed = 9600
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};
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static sl_option_t cmdlnopts[] = {
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{"help", NO_ARGS, NULL, 'h', arg_int, APTR(&G.help), "show this help"},
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{"verbose", NO_ARGS, NULL, 'v', arg_none, APTR(&G.verbose), "verbose level (each -v adds 1)"},
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{"logfile", NEED_ARG, NULL, 'l', arg_string, APTR(&G.logfile), "log file name"},
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{"node", NEED_ARG, NULL, 'n', arg_string, APTR(&G.node), "node \"IP\", \"name:IP\" or path (could be \"\\0path\" for anonymous UNIX-socket)"},
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{"unixsock", NO_ARGS, NULL, 'u', arg_int, APTR(&G.isunix), "UNIX socket instead of INET"},
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{"maxclients", NEED_ARG, NULL, 'm', arg_int, APTR(&G.maxclients),"max amount of clients connected to server (default: 2)"},
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{"pidfile", NEED_ARG, NULL, 'p', arg_string, APTR(&G.pidfile), "PID-file"},
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{"serialdev", NEED_ARG, NULL, 'd', arg_string, APTR(&G.termpath), "full path to serial device"},
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{"baudrate", NEED_ARG, NULL, 'b', arg_int, APTR(&G.serspeed), "serial device speed (baud)"},
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{"sertmout", NEED_ARG, NULL, 'T', arg_double, APTR(&G.sertmout), "serial device timeout (us)"},
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end_option
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};
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// SIGUSR1 - FORBID observations
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// SIGUSR2 - allow
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void signals(int sig){
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if(sig){
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if(sig == SIGUSR1){
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forbid_observations(1);
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return;
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}else if(sig == SIGUSR2){
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forbid_observations(0);
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return;
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}
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signal(sig, SIG_IGN);
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DBG("Get signal %d, quit.\n", sig);
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LOGERR("Exit with status %d", sig);
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}else LOGERR("Exit");
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DBG("Stop server");
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stopserver();
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DBG("Close terminal");
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close_term();
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DBG("Exit");
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exit(sig);
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}
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int main(int argc, char **argv){
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sl_init();
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sl_parseargs(&argc, &argv, cmdlnopts);
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if(G.help) sl_showhelp(-1, cmdlnopts);
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if(!G.node) ERRX("Point node");
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if(!G.termpath) ERRX("Point serial device path");
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sl_check4running((char*)__progname, G.pidfile);
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sl_loglevel_e lvl = G.verbose + LOGLEVEL_ERR;
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if(lvl >= LOGLEVEL_AMOUNT) lvl = LOGLEVEL_AMOUNT - 1;
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if(G.logfile) OPENLOG(G.logfile, lvl, 1);
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LOGMSG("Started");
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if(!open_term(G.termpath, G.serspeed, G.sertmout)){
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LOGERR("Can't open %s", G.termpath);
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ERRX("Fatal error");
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}
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signal(SIGTERM, signals);
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signal(SIGINT, signals);
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signal(SIGQUIT, signals);
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signal(SIGTSTP, SIG_IGN);
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signal(SIGHUP, signals);
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signal(SIGUSR1, signals);
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signal(SIGUSR2, signals);
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runserver(G.isunix, G.node, G.maxclients);
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LOGMSG("Ended");
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DBG("Close");
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return 0;
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}
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