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 3 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, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #ifndef __CLUSTER_H__
  23 #define __CLUSTER_H__
  24
  25 /*
  26   test for same cluster id
  27 */
  28 #define cluster_id_equal(id_1, id_2) ((id_1)->id == (id_2)->id \
  29                                     && (id_1)->id2 == (id_2)->id2 \
  30                                     && (id_1)->node == (id_2)->node)
  31
  32 /*
  33   test for same cluster node
  34 */
  35 #define cluster_node_equal(id1, id2) ((id1)->node == (id2)->node)
  36
  37 struct messaging_context;
  38 typedef void (*cluster_message_fn_t)(struct messaging_context *, DATA_BLOB);
  39
  40 /* prototypes */
  41 struct server_id cluster_id(uint64_t id, uint32_t id2);
  42 const char *cluster_id_string(TALLOC_CTX *mem_ctx, struct server_id id);
  43 struct tdb_wrap *cluster_tdb_tmp_open(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, const char *dbname, int flags);
  44 void *cluster_backend_handle(void);
  45
  46 NTSTATUS cluster_message_init(struct messaging_context *msg, struct server_id server,
  47                               cluster_message_fn_t handler);
  48 NTSTATUS cluster_message_send(struct server_id server, DATA_BLOB *data);
  49
  50 #endif