int main(int argc, char *argv[])
{
char *control;
int c, err, nodaemon;
FILE *out;
control = NULL;
nodaemon = 0;
while ((c = getopt(argc, argv, "Dh")) != -1) {
switch (c) {
case 'D':
nodaemon = 1;
break;
case 'h':
usage(argv[0], 0);
break;
default:
usage(argv[0], EINVAL);
}
}
if (optind != argc)
usage(argv[0], EINVAL);
err = tapdisk_server_init();
if (err) {
DPRINTF("failed to initialize server: %d\n", err);
goto out;
}
out = fdup(stdout, "w");
if (!out) {
err = -errno;
DPRINTF("failed to dup stdout: %d\n", err);
goto out;
}
if (!nodaemon) {
err = daemon(0, 0);
if (err) {
DPRINTF("failed to daemonize: %d\n", errno);
goto out;
}
}
tapdisk_start_logging("tapdisk", NULL);
err = tapdisk_control_open(&control);
if (err) {
DPRINTF("failed to open control socket: %d\n", err);
goto out;
}
err = tapdisk_server_complete();
if (err) {
DPRINTF("failed to complete server: %d\n", err);
goto out;
}
fprintf(out, "%s\n", control);
fclose(out);
err = tapdisk_server_run();
out:
tapdisk_control_close();
tapdisk_stop_logging();
return -err;
}
int
main(int argc, char *argv[])
{
char *control;
int c, err, nodaemon;
FILE *out;
control = NULL;
nodaemon = 0;
while ((c = getopt(argc, argv, "Dh")) != -1) {
switch (c) {
case 'D':
nodaemon = 1;
break;
case 'h':
usage(argv[0], 0);
break;
default:
usage(argv[0], EINVAL);
}
}
if (optind != argc)
usage(argv[0], EINVAL);
err = tapdisk_server_init();
if (err) {
DPRINTF("failed to initialize server: %d\n", err);
goto out;
}
out = fdup(stdout, "w");
if (!out) {
err = -errno;
DPRINTF("failed to dup stdout: %d\n", err);
goto out;
}
if (!nodaemon) {
err = daemon(0, 0);
if (err) {
DPRINTF("failed to daemonize: %d\n", errno);
goto out;
}
}
tapdisk_start_logging("tapdisk", NULL);
err = tapdisk_control_open(&control);
if (err) {
DPRINTF("failed to open control socket: %d\n", err);
goto out;
}
err = tapdisk_server_complete();
if (err) {
DPRINTF("failed to complete server: %d\n", err);
goto out;
}
fprintf(out, "%s\n", control);
fclose(out);
err = td_metrics_start();
if (err) {
DPRINTF("failed to create metrics folder: %d\n", err);
goto out;
}
/*
* NB: We're unconditionally starting the FD receiver here - this is
* for the block-nbd driver. In the future we may want to start this as
* a response to a tap-ctl message
*/
tdnbd_fdreceiver_start();
err = tapdisk_server_run();
out:
td_metrics_stop();
tdnbd_fdreceiver_stop();
tapdisk_control_close();
tapdisk_stop_logging();
return -err;
}