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weather check for astrosib dome daemon

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This commit is contained in:
Edward Emelianov
2026-05-15 14:44:21 +03:00
parent e24568b0bf
commit 7e369976b5
86 changed files with 361 additions and 55 deletions
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75
Daemons/domedaemon-astrosib/main.c
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@@ -23,6 +23,7 @@
#include <sys/prctl.h> //prctl
#include <usefull_macros.h>
#include "header.h"
#include "server.h"
// TCP socket port
@@ -31,45 +32,101 @@
#define DEFAULT_SERSPEED 9600
// serial polling timeout - 100ms
#define DEFAULT_SERTMOUT 100000
#define DEFAULT_PIDFILE "/tmp/domedaemon.pid"
#define DEFAULT_HEADERFILE "/tmp/dome.fits"
#define DEFAULT_DOMENAME "Astrosib"
static pid_t childpid = 0;
static sl_tty_t *serial = NULL;
typedef struct{
int help;
char *device; // serial device name
char *node; // port to connect or UNIX socket name
char *logfile; // logfile name
char *pidfile; // PID-file path
char *headerfile; // path to FITS-header with dome parameters
char *dome_name; // name of dome
int isunix; // open UNIX-socket instead of TCP
int verbose; // verbose level
} parameters;
static parameters G = {
.node = DEFAULT_PORT,
.pidfile = DEFAULT_PIDFILE,
.headerfile = DEFAULT_HEADERFILE,
.dome_name = DEFAULT_DOMENAME,
};
static int help;
static sl_option_t cmdlnopts[] = {
{"help", NO_ARGS, NULL, 'h', arg_int, APTR(&help), "show this help"},
{"help", NO_ARGS, NULL, 'h', arg_int, APTR(&G.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)"},
{"pidfile", NEED_ARG, NULL, 'p', arg_string, APTR(&G.pidfile), "full path to PID-file (default: " DEFAULT_PIDFILE ")"},
{"headerfile",NEED_ARG, NULL, 'H', arg_string, APTR(&G.headerfile),"full path to output FITS-header (default: " DEFAULT_HEADERFILE ")"},
{"domename",NEED_ARG, NULL, 'N', arg_string, APTR(&G.dome_name), "dome name in FITS-header (default: " DEFAULT_DOMENAME ")"},
end_option
};
void sl_iffound_deflt(pid_t pid){
WARNX("Another copy of this process found, pid=%d. Exit.", pid);
exit(1); // don't run `signals` to protect foreign PID-file from removal
}
// SIGUSR1 - FORBID observations
// SIGUSR2 - allow
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");
if(signals != signal(sig, SIG_IGN)) exit(sig); // function called "as is", before sig registration
if(childpid == 0){ // child -> test USR1/USR2
LOGDBG("Child gotta signal %d", sig);
if(sig == SIGUSR1){
forbid_observations(1);
LOGMSG("Got signal `observations forbidden`");
signal(sig, signals);
return;
}else if(sig == SIGUSR2){
forbid_observations(0);
LOGMSG("Got signal `observations permitted`");
signal(sig, signals);
return;
}
}
LOGDBG("Get signal %d, quit.\n", sig);
}
if(childpid == 0){
DBG("Stop server");
LOGMSG("Stop server");
stopserver();
DBG("Close terminal");
LOGMSG("Close terminal");
if(serial) sl_tty_close(&serial);
}else{
if(G.pidfile){
LOGMSG("Unlink %s", G.pidfile);
usleep(10000);
unlink(G.pidfile);
}
}
LOGERR("Exit with status %d", sig);
exit(sig);
}
int main(int argc, char **argv){
sl_init();
sl_parseargs(&argc, &argv, cmdlnopts);
if(help) sl_showhelp(-1, cmdlnopts);
if(G.help) sl_showhelp(-1, cmdlnopts);
if(!G.node) ERRX("Point node");
if(!G.device) ERRX("Point path to serial device");
if(!header_create(G.headerfile))
ERRX("Cannot write into '%s'", G.headerfile);
domename(G.dome_name);
sl_check4running((char*)__progname, G.pidfile);
if(sl_daemonize()) ERR("Can't daemonize!");
sl_loglevel_e lvl = G.verbose + LOGLEVEL_ERR;
if(lvl >= LOGLEVEL_AMOUNT) lvl = LOGLEVEL_AMOUNT - 1;
if(G.logfile) OPENLOG(G.logfile, lvl, 1);
@@ -79,6 +136,8 @@ int main(int argc, char **argv){
signal(SIGQUIT, signals);
signal(SIGTSTP, SIG_IGN);
signal(SIGHUP, signals);
signal(SIGUSR1, SIG_IGN);
signal(SIGUSR2, SIG_IGN);
#ifndef EBUG
time_t lastd = 0;
while(1){ // guard for dead processes
@@ -101,7 +160,7 @@ int main(int argc, char **argv){
}
#endif
sl_socktype_e type = (G.isunix) ? SOCKT_UNIX : SOCKT_NETLOCAL;
sl_tty_t *serial = sl_tty_new(G.device, DEFAULT_SERSPEED, 4096);
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);