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.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_t ctdbd_vnn(const struct ctdbd_connection *conn);
  33 const char *lp_ctdbd_socket(void);
  34
  35 NTSTATUS ctdbd_register_msg_ctx(struct ctdbd_connection *conn,
  36                                 struct messaging_context *msg_ctx);
  37 struct messaging_context *ctdb_conn_msg_ctx(struct ctdbd_connection *conn);
  38
  39 int ctdbd_conn_get_fd(struct ctdbd_connection *conn);
  40
  41 NTSTATUS ctdbd_messaging_send_iov(struct ctdbd_connection *conn,
  42                                   uint32_t dst_vnn, uint64_t dst_srvid,
  43                                   const struct iovec *iov, int iovlen);
  44
  45 bool ctdbd_process_exists(struct ctdbd_connection *conn, uint32_t vnn,
  46                           pid_t pid);
  47 bool ctdb_processes_exist(struct ctdbd_connection *conn,
  48                           const struct server_id *pids, int num_pids,
  49                           bool *results);
  50 bool ctdb_serverids_exist_supported(struct ctdbd_connection *conn);
  51 bool ctdb_serverids_exist(struct ctdbd_connection *conn,
  52                           const struct server_id *pids, unsigned num_pids,
  53                           bool *results);
  54
  55 char *ctdbd_dbpath(struct ctdbd_connection *conn,
  56                    TALLOC_CTX *mem_ctx, uint32_t db_id);
  57
  58 NTSTATUS ctdbd_db_attach(struct ctdbd_connection *conn, const char *name,
  59                          uint32_t *db_id, int tdb_flags);
  60
  61 NTSTATUS ctdbd_migrate(struct ctdbd_connection *conn, uint32_t db_id,
  62                        TDB_DATA key);
  63
  64 NTSTATUS ctdbd_parse(struct ctdbd_connection *conn, uint32_t db_id,
  65                      TDB_DATA key, bool local_copy,
  66                      void (*parser)(TDB_DATA key, TDB_DATA data,
  67                                     void *private_data),
  68                      void *private_data);
  69
  70 NTSTATUS ctdbd_traverse(uint32_t db_id,
  71                         void (*fn)(TDB_DATA key, TDB_DATA data,
  72                                    void *private_data),
  73                         void *private_data);
  74
  75 NTSTATUS ctdbd_register_ips(struct ctdbd_connection *conn,
  76                             const struct sockaddr_storage *server,
  77                             const struct sockaddr_storage *client,
  78                             int (*cb)(uint32_t src_vnn, uint32_t dst_vnn,
  79                                       uint64_t dst_srvid,
  80                                       const uint8_t *msg, size_t msglen,
  81                                       void *private_data),
  82                             void *private_data);
  83
  84 NTSTATUS ctdbd_control_local(struct ctdbd_connection *conn, uint32_t opcode,
  85                              uint64_t srvid, uint32_t flags, TDB_DATA data,
  86                              TALLOC_CTX *mem_ctx, TDB_DATA *outdata,
  87                              int *cstatus);
  88 NTSTATUS ctdb_watch_us(struct ctdbd_connection *conn);
  89 NTSTATUS ctdb_unwatch(struct ctdbd_connection *conn);
  90
  91 struct ctdb_req_message;
  92
  93 NTSTATUS register_with_ctdbd(struct ctdbd_connection *conn, uint64_t srvid,
  94                              int (*cb)(uint32_t src_vnn, uint32_t dst_vnn,
  95                                        uint64_t dst_srvid,
  96                                        const uint8_t *msg, size_t msglen,
  97                                        void *private_data),
  98                              void *private_data);
  99 NTSTATUS ctdbd_probe(void);
 100
 101 #endif /* _CTDBD_CONN_H */