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pre-alpha version of new dome daemon

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This commit is contained in:
Edward Emelianov
2025-05-29 17:32:00 +03:00
parent e2c465dd30
commit ef2c86675e
34 changed files with 794 additions and 62 deletions
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129
Daemons/domedaemon-astrosib/main.c
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@@ -1,11 +1,10 @@
/* geany_encoding=koi8-r
* main.c
/*
* This file is part of the Snippets project.
* Copyright 2024 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* Copyright 2018 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* 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 2 of the License, or
* 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,
@@ -14,60 +13,84 @@
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "usefull_macros.h"
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <sys/wait.h> // wait
#include <sys/prctl.h> //prctl
#include <time.h>
#include "cmdlnopts.h"
#include "socket.h"
#include <usefull_macros.h>
// dome @ /dev/ttyS2
#include "server.h"
glob_pars *GP;
static pid_t childpid = 0;
// TCP socket port
#define DEFAULT_PORT "55555"
// baudrate - 9600
#define DEFAULT_SERSPEED 9600
// serial polling timeout - 100ms
#define DEFAULT_SERTMOUT 100000
void signals(int signo){
if(childpid){ // parent process
restore_tty();
putlog("exit with status %d", signo);
}
exit(signo);
typedef struct{
char *device; // serial device name
char *node; // port to connect or UNIX socket name
char *logfile; // logfile name
int isunix; // open UNIX-socket instead of TCP
int verbose; // verbose level
} parameters;
static parameters G = {
.node = DEFAULT_PORT,
};
static int help;
static sl_option_t cmdlnopts[] = {
{"help", NO_ARGS, NULL, 'h', arg_int, APTR(&help), "show this help"},
{"device", NEED_ARG, NULL, 'd', arg_string, APTR(&G.device), "serial device name"},
{"node", NEED_ARG, NULL, 'n', arg_string, APTR(&G.node), "UNIX socket name or network port to connect (default: " DEFAULT_PORT ")"},
{"logfile", NEED_ARG, NULL, 'l', arg_string, APTR(&G.logfile), "save logs to file"},
{"unix", NO_ARGS, NULL, 'u', arg_int, APTR(&G.isunix), "open UNIX-socket instead of TCP"},
{"verbose", NO_ARGS, NULL, 'v', arg_none, APTR(&G.verbose), "logging verbose level (each -v adds one)"},
end_option
};
void signals(int sig){
if(sig){
signal(sig, SIG_IGN);
DBG("Get signal %d, quit.\n", sig);
LOGERR("Exit with status %d", sig);
}else LOGERR("Exit");
exit(sig);
}
int main(int argc, char **argv){
initial_setup();
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
GP = parse_args(argc, argv);
if(GP->terminal){
if(!GP->device) ERRX(_("Point serial device name"));
try_connect(GP->device);
run_terminal();
signals(0); // never reached!
}
if(GP->logfile)
openlogfile(GP->logfile);
#ifndef EBUG
if(daemon(1, 0)){
ERR("daemon()");
}
sl_init();
sl_parseargs(&argc, &argv, cmdlnopts);
if(help) sl_showhelp(-1, cmdlnopts);
if(!G.node) ERRX("Point node");
if(!G.device) ERRX("Point path to serial device");
sl_loglevel_e lvl = G.verbose + LOGLEVEL_ERR;
if(lvl >= LOGLEVEL_AMOUNT) lvl = LOGLEVEL_AMOUNT - 1;
if(G.logfile) OPENLOG(G.logfile, lvl, 1);
LOGMSG("Started");
signal(SIGTERM, signals);
signal(SIGINT, signals);
signal(SIGQUIT, signals);
signal(SIGTSTP, SIG_IGN);
signal(SIGHUP, signals);
#ifndef EBUG
time_t lastd = 0;
while(1){ // guard for dead processes
childpid = fork();
pid_t childpid = fork();
if(childpid){
DBG("Created child with PID %d\n", childpid);
LOGMSG("Created child with PID %d\n", childpid);
wait(NULL);
time_t t = time(NULL);
if(t - lastd > 600) // at least 10 minutes of work
putlog("child %d died\n", childpid);
if(t - lastd > 600){ // at least 10 minutes of work
LOGERR("Child %d died\n", childpid);
}
lastd = t;
WARNX("Child %d died\n", childpid);
sleep(1);
@@ -76,14 +99,16 @@ int main(int argc, char **argv){
break; // go out to normal functional
}
}
#endif
if(GP->device) try_connect(GP->device);
if(!poll_device()){
ERRX(_("No answer from device"));
#endif
sl_socktype_e type = (G.isunix) ? SOCKT_UNIX : SOCKT_NETLOCAL;
sl_tty_t *serial = sl_tty_new(G.device, DEFAULT_SERSPEED, 4096);
if(serial) serial = sl_tty_open(serial, 1);
if(!serial){
LOGERR("Can't open serial device %s", G.device);
ERRX("Can't open serial device %s", G.device);
}
putlog("Child %d connected to %s", getpid(), GP->device);
daemonize(GP->port);
signals(0); // newer reached
sl_tty_tmout(DEFAULT_SERTMOUT);
server_run(type, G.node, serial);
LOGERR("Unreacheable code reached!");
return 0;
}