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 "replace.h"
  24 #include "lib/dbwrap/dbwrap.h"
  25 #include "librpc/gen_ndr/server_id.h"
  26
  27 /* Flags to classify messages - used in message_send_all() */
  28 /* Sender will filter by flag. */
  29
  30 #define FLAG_MSG_GENERAL                0x0001
  31 #define FLAG_MSG_SMBD                   0x0002
  32 #define FLAG_MSG_NMBD                   0x0004
  33 #define FLAG_MSG_WINBIND                0x0008
  34 #define FLAG_MSG_PRINT_GENERAL          0x0010
  35 /* dbwrap messages 4001-4999 */
  36 #define FLAG_MSG_DBWRAP                 0x0020
  37
  38 /*
  39  * Register a server with its unique id
  40  */
  41 bool serverid_register(const struct server_id id, uint32_t msg_flags);
  42
  43 /*
  44  * De-register a server with its unique id
  45  */
  46 bool serverid_deregister(const struct server_id id);
  47
  48 /*
  49  * Check existence of a server id
  50  */
  51 bool serverid_exists(const struct server_id *id);
  52
  53 /*
  54  * Walk the list of server_ids registered
  55  */
  56 bool serverid_traverse(int (*fn)(struct db_record *rec,
  57                                  const struct server_id *id,
  58                                  uint32_t msg_flags,
  59                                  void *private_data),
  60                        void *private_data);
  61
  62 /*
  63  * Walk the list of server_ids registered read-only
  64  */
  65 bool serverid_traverse_read(int (*fn)(const struct server_id *id,
  66                                       uint32_t msg_flags,
  67                                       void *private_data),
  68                             void *private_data);
  69 /*
  70  * Ensure CLEAR_IF_FIRST works fine, to be called from the parent smbd
  71  */
  72 bool serverid_parent_init(TALLOC_CTX *mem_ctx);
  73
  74 struct messaging_context;
  75
  76 bool message_send_all(struct messaging_context *msg_ctx,
  77                       int msg_type,
  78                       const void *buf, size_t len,
  79                       int *n_sent);
  80
  81 #endif