source3/include/serverid.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Implementation of a reliable server_exists()
   4    Copyright (C) Volker Lendecke 2010
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #ifndef __SERVERID_H__
  21 #define __SERVERID_H__
  22
  23 #include "includes.h"
  24
  25 /*
  26  * Register a server with its unique id
  27  */
  28 bool serverid_register(const struct server_id id, uint32_t msg_flags);
  29
  30 /*
  31  * De-register a server with its unique id
  32  */
  33 bool serverid_deregister(const struct server_id id);
  34
  35 /*
  36  * (De)register additional message flags
  37  */
  38 bool serverid_register_msg_flags(const struct server_id id, bool do_reg,
  39                                  uint32_t msg_flags);
  40
  41 /*
  42  * Check existence of a server id
  43  */
  44 bool serverid_exists(const struct server_id *id);
  45
  46 /*
  47  * Check existence of a list of server ids
  48  */
  49 bool serverids_exist(const struct server_id *ids, int num_ids, bool *results);
  50
  51 /*
  52  * Walk the list of server_ids registered
  53  */
  54 bool serverid_traverse(int (*fn)(struct db_record *rec,
  55                                  const struct server_id *id,
  56                                  uint32_t msg_flags,
  57                                  void *private_data),
  58                        void *private_data);
  59
  60 /*
  61  * Walk the list of server_ids registered read-only
  62  */
  63 bool serverid_traverse_read(int (*fn)(const struct server_id *id,
  64                                       uint32_t msg_flags,
  65                                       void *private_data),
  66                             void *private_data);
  67 /*
  68  * Ensure CLEAR_IF_FIRST works fine, to be called from the parent smbd
  69  */
  70 bool serverid_parent_init(TALLOC_CTX *mem_ctx);
  71
  72 /*
  73  * Get a random unique_id and make sure that it is not
  74  * SERVERID_UNIQUE_ID_NOT_TO_VERIFY
  75  */
  76 uint64_t serverid_get_random_unique_id(void);
  77
  78 #endif