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media-session: don't move nodes to same link-group

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Refuse to move a node to a new target when they belong to the same
link-group to avoid loops.

Fixes #1376
This commit is contained in:
Wim Taymans 2021-07-20 09:52:57 +02:00
parent 6e44c081b0
commit cb3543e9b4
1 changed files with 6 additions and 1 deletions
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7
src/examples/media-session/policy-node.c
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@ -1052,7 +1052,12 @@ static int handle_move(struct impl *impl, struct node *src_node, struct node *ds
if ((str = spa_dict_lookup(info->props, PW_KEY_NODE_DONT_RECONNECT)) != NULL && if ((str = spa_dict_lookup(info->props, PW_KEY_NODE_DONT_RECONNECT)) != NULL &&
pw_properties_parse_bool(str)) { pw_properties_parse_bool(str)) {
pw_log_warn("can't reconnect node %d to %d", src_node->id, pw_log_warn("can't reconnect node %d to %d: dont-reconnect flag set",
src_node->id, dst_node->id);
return -EPERM;
}
if (!can_link(impl, src_node, dst_node)) {
pw_log_debug("can't link node %d to %d: same link-group", src_node->id,
dst_node->id); dst_node->id);
return -EPERM; return -EPERM;
} }