Initial revision

1 files changed, 53 insertions, 0 deletions

diff --git a/utils/statd/callback.c b/utils/statd/callback.c
new file mode 100644
index 0000000..e3fad6a
--- /dev/null
+++ b/utils/statd/callback.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 1995, 1997-1999 Jeffrey A. Uphoff
+ * Modified by Olaf Kirch, Oct. 1996.
+ *
+ * NSM for Linux.
+ */
+
+#include "config.h"
+#include "statd.h"
+#include "notlist.h"
+
+/* Callback notify list. */
+notify_list *cbnl = NULL;
+
+
+/* 
+ * Services SM_NOTIFY requests.
+ * Any clients that have asked us to monitor that host are put on
+ * the global callback list, which is processed as soon as statd
+ * returns to svc_run.
+ */
+void *
+sm_notify_1_svc(struct stat_chge *argp, struct svc_req *rqstp)
+{
+	notify_list    *lp, *call;
+	static char    *result = NULL;
+
+	dprintf(L_DEBUG, "Received SM_NOTIFY from %s, state: %d",
+				argp->mon_name, argp->state);
+
+	if ((lp = rtnl) != NULL) {
+		log(L_WARNING, "SM_NOTIFY from %s--nobody looking!",
+				argp->mon_name, argp->state);
+		return ((void *) &result);
+	}
+
+	/* okir change: statd doesn't remove the remote host from its
+	 * internal monitor list when receiving an SM_NOTIFY call from
+	 * it. Lockd will want to continue monitoring the remote host
+	 * until it issues an SM_UNMON call.
+	 */
+	while ((lp = nlist_gethost(lp, argp->mon_name, 0)) != NULL) {
+		if (NL_STATE(lp) != argp->state) {
+			NL_STATE(lp) = argp->state;
+			call = nlist_clone(lp);
+			NL_TYPE(call) = NOTIFY_CALLBACK;
+			nlist_insert(&notify, call);
+		}
+		lp = NL_NEXT(lp);
+	}
+
+	return ((void *) &result);
+}