void
usage(const char *msg) {
if (msg)
fprintf(stderr, "%s: usage error: %s\n", argv_program, msg);
nmsg_io_destroy(&ctx.io);
exit(argv_usage(args, ARGV_USAGE_DEFAULT));
}
static void *
stats_thread(void *user) {
struct timespec ts = { .tv_sec = STATS_FREQUENCY, .tv_nsec = 0 };
for (;;) {
nmsg_timespec_sleep(&ts);
if (shut_down)
break;
print_stats();
}
return (NULL);
}
void
setup_threads(void) {
if (is_live) {
/* create stats thread */
assert(pthread_create(&thr_stats, NULL, stats_thread, NULL) == 0);
}
}
void
cleanup(void) {
nmsg_io_destroy(&io);
print_stats();
argv_cleanup(args);
}
int main(int argc, char **argv) {
nmsg_res res;
/* parse command line arguments */
argv_process(args, argc, argv);
if (ctx.debug < 1)
ctx.debug = 1;
nmsg_set_debug(ctx.debug);
res = nmsg_init();
if (res != nmsg_res_success) {
fprintf(stderr, "nmsgtool: unable to initialize libnmsg\n");
return (EXIT_FAILURE);
}
if (ctx.debug >= 2)
#ifdef HAVE_LIBXS
fprintf(stderr, "nmsgtool: version " VERSION "\n");
#else /* HAVE_LIBXS */
fprintf(stderr, "nmsgtool: version " VERSION " (without libxs support)\n");
#endif /* HAVE_LIBXS */
/* initialize the nmsg_io engine */
ctx.io = nmsg_io_init();
assert(ctx.io != NULL);
nmsg_io_set_close_fp(ctx.io, io_close);
/* process arguments and load inputs/outputs into the nmsg_io engine */
process_args(&ctx);
setup_signals();
/* run the nmsg_io engine */
res = nmsg_io_loop(ctx.io);
/* cleanup */
if (ctx.pidfile != NULL) {
if (unlink(ctx.pidfile) != 0) {
fprintf(stderr, "nmsgtool: unlink() failed: %s\n",
strerror(errno));
}
}
nmsg_io_destroy(&ctx.io);
#ifdef HAVE_LIBXS
if (ctx.xs_ctx)
xs_term(ctx.xs_ctx);
#endif /* HAVE_LIBXS */
free(ctx.endline_str);
argv_cleanup(args);
return (res);
}
