Subversion Repositories funbase_ip_library

#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <getopt.h>
 
#include <mcapi.h>
 
extern void startup(unsigned int local, unsigned int remote);
extern void demo(unsigned int local, int listen);
 
static struct sigaction oldactions[32];
 
static void usage(const char *name)
{
	printf("Usage: %s [options] <local node id> <remote node id>\n"
			"Options:\n"
			"  -l, --loop      send and receive messages until killed.\n",
			name);
	exit(1);
}
 
static void cleanup(void)
{
	mcapi_status_t status;
 
	printf("%s\n", __func__);
	mcapi_finalize(&status);
}
 
static void signalled(int signal, siginfo_t *info, void *context)
{
	struct sigaction *action;
 
	action = &oldactions[signal];
 
	if ((action->sa_flags & SA_SIGINFO) && action->sa_sigaction)
		action->sa_sigaction(signal, info, context);
	else if (action->sa_handler)
		action->sa_handler(signal);
 
	exit(signal);
}
 
struct sigaction action = {
	.sa_sigaction = signalled,
	.sa_flags = SA_SIGINFO,
};
 
int main(int argc, char *argv[])
{
	unsigned long local;
	unsigned long remote;
	int c;
	int loop = 0;
 
	while (1) {
		static struct option long_options[] = {
			{"loop", 0, 0, 'l'},
			{NULL, 0, 0, 0},
		};
		int option_index = 0;
 
		c = getopt_long(argc, argv, "l", long_options, &option_index);
 
		if (c == -1)
			break;
 
		switch (c) {
		case 'l':
			loop = 1;
			break;
		default:
			usage(argv[0]);
			break;
		}
	}
 
	if (optind == argc - 2) {
		local = strtoul(argv[optind], NULL, 0);
		remote = strtoul(argv[optind + 1], NULL, 0);
	} else
		usage(argv[0]);
 
	atexit(cleanup);
	sigaction(SIGQUIT, &action, &oldactions[SIGQUIT]);
	sigaction(SIGABRT, &action, &oldactions[SIGABRT]);
	sigaction(SIGTERM, &action, &oldactions[SIGTERM]);
	sigaction(SIGINT,  &action, &oldactions[SIGINT]);
 
	startup(local, remote);
 
	demo(local, loop);
 
	return 0;
}