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 int ctdbd_messaging_connection(TALLOC_CTX *mem_ctx,
  30                                const char *sockname, int timeout,
  31                                struct ctdbd_connection **pconn);
  32
  33 uint32_t ctdbd_vnn(const struct ctdbd_connection *conn);
  34
  35 int ctdbd_register_msg_ctx(struct ctdbd_connection *conn,
  36                            struct messaging_context *msg_ctx,
  37                            struct tevent_context *ev);
  38 struct messaging_context *ctdb_conn_msg_ctx(struct ctdbd_connection *conn);
  39
  40 int ctdbd_conn_get_fd(struct ctdbd_connection *conn);
  41
  42 int ctdbd_messaging_send_iov(struct ctdbd_connection *conn,
  43                              uint32_t dst_vnn, uint64_t dst_srvid,
  44                              const struct iovec *iov, int iovlen);
  45
  46 bool ctdbd_process_exists(struct ctdbd_connection *conn, uint32_t vnn,
  47                           pid_t pid);
  48 bool ctdb_processes_exist(struct ctdbd_connection *conn,
  49                           const struct server_id *pids, int num_pids,
  50                           bool *results);
  51
  52 char *ctdbd_dbpath(struct ctdbd_connection *conn,
  53                    TALLOC_CTX *mem_ctx, uint32_t db_id);
  54
  55 int ctdbd_db_attach(struct ctdbd_connection *conn, const char *name,
  56                     uint32_t *db_id, int tdb_flags);
  57
  58 int ctdbd_migrate(struct ctdbd_connection *conn, uint32_t db_id, TDB_DATA key);
  59
  60 int ctdbd_parse(struct ctdbd_connection *conn, uint32_t db_id,
  61                 TDB_DATA key, bool local_copy,
  62                 void (*parser)(TDB_DATA key, TDB_DATA data,
  63                                void *private_data),
  64                 void *private_data);
  65
  66 int ctdbd_traverse(struct ctdbd_connection *master, uint32_t db_id,
  67                    void (*fn)(TDB_DATA key, TDB_DATA data,
  68                               void *private_data),
  69                    void *private_data);
  70
  71 int ctdbd_register_ips(struct ctdbd_connection *conn,
  72                        const struct sockaddr_storage *server,
  73                        const struct sockaddr_storage *client,
  74                        int (*cb)(uint32_t src_vnn, uint32_t dst_vnn,
  75                                  uint64_t dst_srvid,
  76                                  const uint8_t *msg, size_t msglen,
  77                                  void *private_data),
  78                        void *private_data);
  79
  80 int ctdbd_control_local(struct ctdbd_connection *conn, uint32_t opcode,
  81                         uint64_t srvid, uint32_t flags, TDB_DATA data,
  82                         TALLOC_CTX *mem_ctx, TDB_DATA *outdata,
  83                         int *cstatus);
  84 int ctdb_watch_us(struct ctdbd_connection *conn);
  85 int ctdb_unwatch(struct ctdbd_connection *conn);
  86
  87 struct ctdb_req_message;
  88
  89 int register_with_ctdbd(struct ctdbd_connection *conn, uint64_t srvid,
  90                         int (*cb)(uint32_t src_vnn, uint32_t dst_vnn,
  91                                   uint64_t dst_srvid,
  92                                   const uint8_t *msg, size_t msglen,
  93                                   void *private_data),
  94                         void *private_data);
  95 int ctdbd_probe(const char *sockname, int timeout);
  96
  97 #endif /* _CTDBD_CONN_H */