source4/cluster/cluster.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    structures for clustering
   5
   6    Copyright (C) Andrew Tridgell 2006
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #ifndef __CLUSTER_H__
  24 #define __CLUSTER_H__
  25
  26 /*
  27   test for same cluster id
  28 */
  29 #define cluster_id_equal(id1, id2) ((id1)->id == (id2)->id && (id1)->node == (id2)->node)
  30
  31 /*
  32   test for same cluster node
  33 */
  34 #define cluster_node_equal(id1, id2) ((id1)->node == (id2)->node)
  35
  36 struct messaging_context;
  37 typedef void (*cluster_message_fn_t)(struct messaging_context *, DATA_BLOB);
  38
  39 /* prototypes */
  40 struct server_id cluster_id(uint32_t id);
  41 const char *cluster_id_string(TALLOC_CTX *mem_ctx, struct server_id id);
  42 struct tdb_wrap *cluster_tdb_tmp_open(TALLOC_CTX *mem_ctx, const char *dbname, int flags);
  43 void *cluster_backend_handle(void);
  44
  45 NTSTATUS cluster_message_init(struct messaging_context *msg, struct server_id server,
  46                               cluster_message_fn_t handler);
  47 NTSTATUS cluster_message_send(struct server_id server, DATA_BLOB *data);
  48
  49 #endif