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/* ax25ipd.c main entrypoint
*
* Copyright 1991, Michael Westerhof, Sun Microsystems, Inc.
* This software may be freely used, distributed, or modified, providing
* this header is not removed.
*
*/
/*
* cleaned up and prototyped for inclusion into the standard linux ax25
* toolset in january 1997 by rob mayfield, vk5xxx/vk5zeu
*/
#include <stdio.h>
#include <signal.h>
#include <setjmp.h>
#include <netax25/daemon.h>
#include <config.h>
#include "../pathnames.h"
#include "ax25ipd.h"
jmp_buf restart_env;
/* Prototypes */
void hupper(int);
int
main(int argc, char **argv)
{
if(setjmp(restart_env)==0) {
signal(SIGHUP, hupper);
}
/* set up the handler for statistics reporting */
signal(SIGUSR1, usr1_handler);
signal(SIGINT, int_handler);
signal(SIGTERM, term_handler);
/* Say hello to the world */
greet_world();
/* Test arguments */
if(argc>2){
fprintf(stderr,"Usage: %s [<configuration-file>]\n",argv[0]);
exit(1);
}
/* Initialize all routines */
config_init();
kiss_init();
route_init();
process_init();
io_init();
/* read config file */
config_read(argv[1]);
/* print the current config and route info */
dump_config();
dump_routes();
dump_params();
/* Open the IO stuff */
io_open();
/* if we get this far without error, let's fork off ! :-) */
if (!daemon_start(TRUE)) {
fprintf(stderr, "ax25ipd: cannot become a daemon\n");
return 1;
}
/* and let the games begin */
io_start();
return(0);
}
void
greet_world()
{
printf("\nax25ipd %s / %s\n", VERS2, VERSION);
printf("Copyright 1991, Michael Westerhof, Sun Microsystems, Inc.\n");
printf("This software may be freely used, distributed, or modified, providing\nthis header is not removed\n\n");
fflush(stdout);
}
void
do_stats()
{
int save_loglevel;
/* save the old loglevel, and force at least loglevel 1 */
save_loglevel = loglevel;
loglevel = 1;
printf("\nSIGUSR1 signal: statistics and configuration report\n");
greet_world();
dump_config();
dump_routes();
dump_params();
printf("\nInput stats:\n");
printf("KISS input packets: %d\n",stats.kiss_in);
printf(" too big: %d\n",stats.kiss_toobig);
printf(" bad type: %d\n",stats.kiss_badtype);
printf(" too short: %d\n",stats.kiss_tooshort);
printf(" not for me: %d\n",stats.kiss_not_for_me);
printf(" I am destination: %d\n",stats.kiss_i_am_dest);
printf(" no route found: %d\n",stats.kiss_no_ip_addr);
printf("UDP input packets: %d\n",stats.udp_in);
printf("IP input packets: %d\n",stats.ip_in);
printf(" failed CRC test: %d\n",stats.ip_failed_crc);
printf(" too short: %d\n",stats.ip_tooshort);
printf(" not for me: %d\n",stats.ip_not_for_me);
printf(" I am destination: %d\n",stats.ip_i_am_dest);
printf("\nOutput stats:\n");
printf("KISS output packets: %d\n",stats.kiss_out);
printf(" beacons: %d\n",stats.kiss_beacon_outs);
printf("UDP output packets: %d\n",stats.udp_out);
printf("IP output packets: %d\n",stats.ip_out);
printf("\n");
fflush(stdout);
/* restore the old loglevel */
loglevel = save_loglevel;
}
void
hupper(int i)
{
printf("\nSIGHUP!\n");
longjmp(restart_env, 1);
}
void
usr1_handler(int i)
{
printf("\nSIGUSR1!\n");
do_stats();
}
void
int_handler(int i)
{
printf("\nSIGINT!\n");
do_stats();
exit(1);
}
void
term_handler(int i)
{
printf("\nSIGTERM!\n");
do_stats();
exit(1);
}
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