ntvfs/sysdep: add sys_lease abstraction to later support kernel oplocks

metze
(This used to be commit b399f0c872f32bb791da196102a5872c20e62100)

1 files changed, 65 insertions, 0 deletions

diff --git a/source4/ntvfs/sysdep/sys_lease.h b/source4/ntvfs/sysdep/sys_lease.h
new file mode 100644
index 0000000000..e53760fb1e
--- /dev/null
+++ b/source4/ntvfs/sysdep/sys_lease.h
@@ -0,0 +1,65 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Copyright (C) Stefan Metzmacher 2008
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "param/share.h"
+
+struct sys_lease_context;
+struct opendb_entry;
+struct messaging_context;
+
+typedef NTSTATUS (*sys_lease_send_break_fn)(struct messaging_context *,
+					    struct opendb_entry *,
+					    uint8_t level);
+
+struct sys_lease_ops {
+	const char *name;
+	NTSTATUS (*init)(struct sys_lease_context *ctx);
+	NTSTATUS (*setup)(struct sys_lease_context *ctx,
+			  struct opendb_entry *e);
+	NTSTATUS (*update)(struct sys_lease_context *ctx,
+			   struct opendb_entry *e);
+	NTSTATUS (*remove)(struct sys_lease_context *ctx,
+			   struct opendb_entry *e);
+};
+
+struct sys_lease_context {
+	struct event_context *event_ctx;
+	struct messaging_context *msg_ctx;
+	sys_lease_send_break_fn break_send;
+	void *private_data; /* for use of backend */
+	const struct sys_lease_ops *ops;
+};
+
+NTSTATUS sys_lease_register(const struct sys_lease_ops *ops);
+NTSTATUS sys_lease_init(void);
+
+struct sys_lease_context *sys_lease_context_create(struct share_config *scfg,
+						   TALLOC_CTX *mem_ctx,
+						   struct event_context *ev,
+						   struct messaging_context *msg_ctx,
+						   sys_lease_send_break_fn break_send);
+
+NTSTATUS sys_lease_setup(struct sys_lease_context *ctx,
+			 struct opendb_entry *e);
+
+NTSTATUS sys_lease_update(struct sys_lease_context *ctx,
+			  struct opendb_entry *e);
+
+NTSTATUS sys_lease_remove(struct sys_lease_context *ctx,
+			  struct opendb_entry *e);