[sheepdog] [PATCH] sheep: when a sheep node leaved, its node in zk was not removed immediately

[ChenZhe]

when a node is leaving, initiative to remove itself from zookeeper than
waitting for timeout.

Signed-off-by: ChenZhe <cz at de3eb.cn>
---
 sheep/cluster/zookeeper.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/sheep/cluster/zookeeper.c b/sheep/cluster/zookeeper.c
index 25152b3..77b99ed 100644
--- a/sheep/cluster/zookeeper.c
+++ b/sheep/cluster/zookeeper.c
@@ -510,7 +510,13 @@ static int zk_join(const struct sd_node *myself,
 
 static int zk_leave(void)
 {
-	return add_event(EVENT_LEAVE, &this_node, NULL, 0);
+	char path[PATH_MAX];
+	int ret;
+	snprintf(path, sizeof(path), MEMBER_ZNODE"/%s",
+			node_to_str(&this_node.node));
+	ret = add_event(EVENT_LEAVE, &this_node, NULL, 0);
+	ret |= zk_delete_node(path, -1);
+	return ret;
 }
 
 static int zk_notify(void *msg, size_t msg_len)
-- 
1.7.9