ctdb/client/client_private.h

   1 /*
   2    CTDB client code
   3
   4    Copyright (C) Amitay Isaacs  2015
   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 __CTDB_CLIENT_PRIVATE_H__
  21 #define __CTDB_CLIENT_PRIVATE_H__
  22
  23 #include "protocol/protocol.h"
  24 #include "client/client.h"
  25
  26 struct ctdb_db_context {
  27         struct ctdb_db_context *prev, *next;
  28         uint32_t db_id;
  29         uint8_t db_flags;
  30         const char *db_name;
  31         const char *db_path;
  32         struct tdb_wrap *ltdb;
  33 };
  34
  35 struct ctdb_client_context {
  36         struct reqid_context *idr;
  37         struct srvid_context *srv;
  38         struct srvid_context *tunnels;
  39         struct comm_context *comm;
  40         ctdb_client_callback_func_t callback;
  41         void *private_data;
  42         int fd;
  43         uint32_t pnn;
  44         struct ctdb_db_context *db;
  45 };
  46
  47 struct ctdb_record_handle {
  48         struct tevent_context *ev;
  49         struct ctdb_client_context *client;
  50         struct ctdb_db_context *db;
  51         struct ctdb_ltdb_header header;
  52         TDB_DATA key;
  53         TDB_DATA data; /* This is returned from tdb_fetch() */
  54         bool readonly;
  55 };
  56
  57 struct ctdb_transaction_handle {
  58         struct tevent_context *ev;
  59         struct ctdb_client_context *client;
  60         struct ctdb_db_context *db, *db_g_lock;
  61         struct ctdb_rec_buffer *recbuf;
  62         struct ctdb_server_id sid;
  63         const char *lock_name;
  64         bool readonly;
  65         bool updated;
  66 };
  67
  68 struct ctdb_tunnel_context {
  69         struct ctdb_client_context *client;
  70         uint64_t tunnel_id;
  71         ctdb_tunnel_callback_func_t callback;
  72         void *private_data;
  73 };
  74
  75 /* From client_call.c */
  76
  77 void ctdb_client_reply_call(struct ctdb_client_context *client,
  78                             uint8_t *buf, size_t buflen, uint32_t reqid);
  79
  80 /* From client_db.c */
  81
  82 struct tdb_context *client_db_tdb(struct ctdb_db_context *db);
  83
  84 /* From client_message.c */
  85
  86 void ctdb_client_req_message(struct ctdb_client_context *client,
  87                              uint8_t *buf, size_t buflen, uint32_t reqid);
  88
  89 /* From client_control.c */
  90
  91 void ctdb_client_reply_control(struct ctdb_client_context *client,
  92                                uint8_t *buf, size_t buflen, uint32_t reqid);
  93
  94 /* From client_tunnel.c */
  95
  96 void ctdb_client_req_tunnel(struct ctdb_client_context *client,
  97                             uint8_t *buf, size_t buflen, uint32_t reqid);
  98
  99 #endif /* __CTDB_CLIENT_PRIVATE_H__ */