block/nbd: Default port in nbd_refresh_filename()

Instead of not emitting the port in nbd_refresh_filename(), just set it
to the default if the user did not specify it. This makes the logic a
bit simpler.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2016-10-25 15:11:31 +02:00 committed by Kevin Wolf
parent 442045cbce
commit 7edca33804

View File

@ -444,6 +444,7 @@ static void nbd_refresh_filename(BlockDriverState *bs, QDict *options)
{
BDRVNBDState *s = bs->opaque;
QDict *opts = qdict_new();
const char *port = s->port ?: stringify(NBD_DEFAULT_PORT);
qdict_put_obj(opts, "driver", QOBJECT(qstring_from_str("nbd")));
@ -453,27 +454,19 @@ static void nbd_refresh_filename(BlockDriverState *bs, QDict *options)
} else if (s->path && !s->export) {
snprintf(bs->exact_filename, sizeof(bs->exact_filename),
"nbd+unix://?socket=%s", s->path);
} else if (!s->path && s->export && s->port) {
} else if (!s->path && s->export) {
snprintf(bs->exact_filename, sizeof(bs->exact_filename),
"nbd://%s:%s/%s", s->host, s->port, s->export);
} else if (!s->path && s->export && !s->port) {
"nbd://%s:%s/%s", s->host, port, s->export);
} else if (!s->path && !s->export) {
snprintf(bs->exact_filename, sizeof(bs->exact_filename),
"nbd://%s/%s", s->host, s->export);
} else if (!s->path && !s->export && s->port) {
snprintf(bs->exact_filename, sizeof(bs->exact_filename),
"nbd://%s:%s", s->host, s->port);
} else if (!s->path && !s->export && !s->port) {
snprintf(bs->exact_filename, sizeof(bs->exact_filename),
"nbd://%s", s->host);
"nbd://%s:%s", s->host, port);
}
if (s->path) {
qdict_put_obj(opts, "path", QOBJECT(qstring_from_str(s->path)));
} else if (s->port) {
qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(s->host)));
qdict_put_obj(opts, "port", QOBJECT(qstring_from_str(s->port)));
} else {
qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(s->host)));
qdict_put_obj(opts, "port", QOBJECT(qstring_from_str(port)));
}
if (s->export) {
qdict_put_obj(opts, "export", QOBJECT(qstring_from_str(s->export)));