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/*
* The main program.
* Includes some odd-ball functions that don't fit anywhere else.
*/
#include "ledd.h"
#include <stdio.h>
#include <unistd.h>
static options *ledd_opts_new(void);
/*
* The main function (as if you didn't know). Sets up the stuff and
* includes the main loop.
*/
int main(int argc, char *argv[]) {
options *opts;
gint p;
GMainLoop *mainloop;
/* Set logging to STDERR. */
log_set_facility(NULL);
signal_ignore_abort();
/* Parse the command line and config file options */
opts=ledd_opts_new();
config_cmdline(opts,argc,argv);
/* Check for existing ledd */
p=startup_pidfile_check(opts);
if (p) {
fprintf(stderr,"Another ledd process (PID ");
if (p==1)
fprintf(stderr,"unknown");
else
fprintf(stderr,"%d",p);
fprintf(stderr,") seems to be running.\n");
fprintf(stderr,"If it's not, delete the file %s "
"and try again\n",opts->pidfile->name);
abort();
}
/* Go into daemon mode if requested (before signal handler) */
if (opts->daemon>0) {
startup_fork();
}
/* We may now be in daemon mode, so we change logging to the
* requested type. If we are in daemon mode, no messages can be
* sent outside nicely anyway. */
log_set_facility(opts->logging);
/* Set the pidfile */
startup_pidfile_write(opts);
/* Set the signal handler */
signal_set_handler(opts);
/* Make the pipes */
pipe_open_all(opts);
/* Exec the startup script(s) */
startup_exec_all(opts);
g_message("up and chugging (PID %d)",getpid());
/* Then we'll just wait... */
/* TODO: Not entirely nice casting stuff, if someone can suggest
* a clean way (not having the functions cast a (gpointer) to
* an (options *)) to do this, please do!
*/
mainloop=g_main_new(FALSE);
g_timeout_add(SLEEPTIME,(GHookCheckFunc)led_do_your_thing,opts);
g_timeout_add(SLEEPTIME,(GHookCheckFunc)pipe_check_all,opts);
g_timeout_add(250,(GHookCheckFunc)startup_check_all,opts);
g_main_run(mainloop);
g_warning("MAINLOOP exited! Internal bug! Mail the author!");
return 0;
}
/*
* Allocates a new options struct, sets everything to sane values
* (all pointers to NULL, all FDs to -1) and returns it.
*/
static options *ledd_opts_new(void) {
options *opts;
int i,j;
opts=g_new0(options,1);
opts->ttys=g_slist_alloc();
opts->pipes=g_slist_alloc();
opts->startup=g_slist_alloc();
opts->fixttys=g_slist_alloc(); /* tty-change */
opts->pidfile=g_new0(File,1);
opts->pidfile->fd=-1;
opts->logging=g_new0(File,1);
opts->logging->fd=-1;
for (i=0; i<LED_MAX; i++)
for (j=0; j<(PRIORITY_MAX+1); j++)
opts->leds[i][j]=g_new0(LedControl,1);
/* We'll keep it running... */
opts->anim_timer=g_timer_new();
g_timer_start(opts->anim_timer);
return opts;
}
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