source3/include/ctdbd_conn.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Samba3 ctdb connection handling
   4    Copyright (C) Volker Lendecke 2007
   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 _CTDBD_CONN_H
  21 #define _CTDBD_CONN_H
  22
  23 #include "tdb_compat.h"
  24
  25 struct ctdbd_connection;
  26 struct messaging_context;
  27 struct messaging_rec;
  28
  29 NTSTATUS ctdbd_messaging_connection(TALLOC_CTX *mem_ctx,
  30                                     struct ctdbd_connection **pconn);
  31
  32 uint32 ctdbd_vnn(const struct ctdbd_connection *conn);
  33
  34 NTSTATUS ctdbd_register_msg_ctx(struct ctdbd_connection *conn,
  35                                 struct messaging_context *msg_ctx);
  36 struct messaging_context *ctdb_conn_msg_ctx(struct ctdbd_connection *conn);
  37
  38 int ctdbd_conn_get_fd(struct ctdbd_connection *conn);
  39
  40 NTSTATUS ctdbd_messaging_send(struct ctdbd_connection *conn,
  41                               uint32 dst_vnn, uint64 dst_srvid,
  42                               struct messaging_rec *msg);
  43 NTSTATUS ctdbd_messaging_send_blob(struct ctdbd_connection *conn,
  44                                    uint32 dst_vnn, uint64 dst_srvid,
  45                                    const uint8_t *buf, size_t buflen);
  46
  47 bool ctdbd_process_exists(struct ctdbd_connection *conn, uint32 vnn,
  48                           pid_t pid);
  49 bool ctdb_processes_exist(struct ctdbd_connection *conn,
  50                           const struct server_id *pids, int num_pids,
  51                           bool *results);
  52 bool ctdb_serverids_exist(struct ctdbd_connection *conn,
  53                           const struct server_id *pids, unsigned num_pids,
  54                           bool *results);
  55
  56 char *ctdbd_dbpath(struct ctdbd_connection *conn,
  57                    TALLOC_CTX *mem_ctx, uint32_t db_id);
  58
  59 NTSTATUS ctdbd_db_attach(struct ctdbd_connection *conn, const char *name,
  60                          uint32_t *db_id, int tdb_flags);
  61
  62 NTSTATUS ctdbd_migrate(struct ctdbd_connection *conn, uint32 db_id,
  63                        TDB_DATA key);
  64
  65 NTSTATUS ctdbd_fetch(struct ctdbd_connection *conn, uint32 db_id,
  66                      TDB_DATA key, TALLOC_CTX *mem_ctx, TDB_DATA *data,
  67                      bool local_copy);
  68
  69 NTSTATUS ctdbd_traverse(uint32 db_id,
  70                         void (*fn)(TDB_DATA key, TDB_DATA data,
  71                                    void *private_data),
  72                         void *private_data);
  73
  74 NTSTATUS ctdbd_register_ips(struct ctdbd_connection *conn,
  75                             const struct sockaddr_storage *server,
  76                             const struct sockaddr_storage *client,
  77                             void (*release_ip_handler)(const char *ip_addr,
  78                                                        void *private_data),
  79                             void *private_data);
  80
  81 NTSTATUS ctdbd_register_reconfigure(struct ctdbd_connection *conn);
  82
  83 NTSTATUS ctdbd_control_local(struct ctdbd_connection *conn, uint32 opcode,
  84                              uint64_t srvid, uint32_t flags, TDB_DATA data,
  85                              TALLOC_CTX *mem_ctx, TDB_DATA *outdata,
  86                              int *cstatus);
  87 NTSTATUS ctdb_watch_us(struct ctdbd_connection *conn);
  88 NTSTATUS ctdb_unwatch(struct ctdbd_connection *conn);
  89 NTSTATUS register_with_ctdbd(struct ctdbd_connection *conn, uint64_t srvid);
  90
  91 #endif /* _CTDBD_CONN_H */