From: Martin Schwenke <martin@meltin.net>
Date: Tue, 19 Feb 2013 03:29:06 +0000 (+1100)
Subject: client: New generic node listing function list_of_nodes()
X-Git-Tag: ctdb-1.2.39-8~2
X-Git-Url: http://git.samba.org/?a=commitdiff_plain;h=61ac25e266d101c1ac979a4f3c765d4536cd7ccb;hp=12c9737e00f548599ea88b644b625be72466bb8b;p=ctdb.git

client: New generic node listing function list_of_nodes()

Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Cherry-pick-from: a73bb56991b8c07ed0e9517ffcf0dc264be30487
---

diff --git a/client/ctdb_client.c b/client/ctdb_client.c
index 5e066045..7e2dd4a2 100644
--- a/client/ctdb_client.c
+++ b/client/ctdb_client.c
@@ -3176,6 +3176,44 @@ uint32_t *list_of_vnnmap_nodes(struct ctdb_context *ctdb,
 	return nodes;
 }
 
+/* Get list of nodes not including those with flags specified by mask.
+ * If exclude_pnn is not -1 then exclude that pnn from the list.
+ */
+uint32_t *list_of_nodes(struct ctdb_context *ctdb,
+			struct ctdb_node_map *node_map,
+			TALLOC_CTX *mem_ctx,
+			uint32_t mask,
+			int exclude_pnn)
+{
+	int i, j, num_nodes;
+	uint32_t *nodes;
+
+	for (i=num_nodes=0;i<node_map->num;i++) {
+		if (node_map->nodes[i].flags & mask) {
+			continue;
+		}
+		if (node_map->nodes[i].pnn == exclude_pnn) {
+			continue;
+		}
+		num_nodes++;
+	} 
+
+	nodes = talloc_array(mem_ctx, uint32_t, num_nodes);
+	CTDB_NO_MEMORY_FATAL(ctdb, nodes);
+
+	for (i=j=0;i<node_map->num;i++) {
+		if (node_map->nodes[i].flags & mask) {
+			continue;
+		}
+		if (node_map->nodes[i].pnn == exclude_pnn) {
+			continue;
+		}
+		nodes[j++] = node_map->nodes[i].pnn;
+	} 
+
+	return nodes;
+}
+
 uint32_t *list_of_active_nodes(struct ctdb_context *ctdb,
 				struct ctdb_node_map *node_map,
 				TALLOC_CTX *mem_ctx,
diff --git a/include/ctdb_client.h b/include/ctdb_client.h
index 3dc115f0..94987911 100644
--- a/include/ctdb_client.h
+++ b/include/ctdb_client.h
@@ -486,6 +486,11 @@ int ctdb_ctrl_setreclock(struct ctdb_context *ctdb,
 	const char *reclock);
 
 
+uint32_t *list_of_nodes(struct ctdb_context *ctdb,
+			struct ctdb_node_map *node_map,
+			TALLOC_CTX *mem_ctx,
+			uint32_t mask,
+			int exclude_pnn);
 uint32_t *list_of_connected_nodes(struct ctdb_context *ctdb,
 				struct ctdb_node_map *node_map,
 				TALLOC_CTX *mem_ctx,