ctdb-tcp: Mark node as disconnected if incoming connection goes away

To make it easy to pass the node data to the upcall, the private data
for ctdb_tcp_read_cb() needs to be changed from tnode to node.

RN: Avoid marking a node as connected before it can receive packets
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14084

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Fri Aug 16 22:50:35 UTC 2019 on sn-devel-184

(cherry picked from commit 73c850eda4209b688a169aeeb20c453b738cbb35)

diff --git a/ctdb/tcp/tcp_connect.c b/ctdb/tcp/tcp_connect.c
index e4d7f0dfd9cc84fb6ea832a34fea24905bb53a21..f02340c178955a67231e9eed990830afd29b08dc 100644 (file)
--- a/ctdb/tcp/tcp_connect.c
+++ b/ctdb/tcp/tcp_connect.c
@@ -339,7 +339,7 @@ static void ctdb_listen_event(struct tevent_context *ev, struct tevent_fd *fde,
                                           fd,
                                           CTDB_TCP_ALIGNMENT,
                                           ctdb_tcp_read_cb,
-                                          tnode,
+                                          node,
                                           "ctdbd-%s",
                                           ctdb_addr_to_str(&addr));
        if (tnode->in_queue == NULL) {

diff --git a/ctdb/tcp/tcp_io.c b/ctdb/tcp/tcp_io.c
index e33ed44048ea9e66c1b5413b0b061c65f4431857..e8ebff887e13a93f948d380d2d6bdd2a12777e28 100644 (file)
--- a/ctdb/tcp/tcp_io.c
+++ b/ctdb/tcp/tcp_io.c
@@ -37,8 +37,9 @@
  */
 void ctdb_tcp_read_cb(uint8_t *data, size_t cnt, void *args)
 {
+       struct ctdb_node *node = talloc_get_type_abort(args, struct ctdb_node);
        struct ctdb_tcp_node *tnode = talloc_get_type_abort(
-               args, struct ctdb_tcp_node);
+               node->private_data, struct ctdb_tcp_node);
        struct ctdb_req_header *hdr = (struct ctdb_req_header *)data;
 
        if (data == NULL) {
@@ -77,6 +78,8 @@ failed:
        TALLOC_FREE(tnode->in_queue);
        close(tnode->in_fd);
        tnode->in_fd = -1;
+       node->ctdb->upcalls->node_dead(node);
+
        TALLOC_FREE(data);
 }