source3/lib/ctdb_conn.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Samba3 ctdb connection handling
   4    Copyright (C) Volker Lendecke 2012
   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_CONN_H
  21 #define _CTDB_CONN_H
  22
  23 #ifdef CLUSTER_SUPPORT
  24
  25 #include <tdb.h>
  26 #include <ctdb_protocol.h>
  27
  28 #else /* CLUSTER_SUPPORT */
  29
  30 struct ctdb_reply_control;
  31
  32 #endif /* CLUSTER_SUPPORT */
  33
  34 #include "tevent.h"
  35 #include "librpc/gen_ndr/messaging.h"
  36
  37 struct ctdb_conn;
  38
  39 struct tevent_req *ctdb_conn_control_send(TALLOC_CTX *mem_ctx,
  40                                           struct tevent_context *ev,
  41                                           struct ctdb_conn *conn,
  42                                           uint32_t vnn, uint32_t opcode,
  43                                           uint64_t srvid, uint32_t flags,
  44                                           uint8_t *data, size_t datalen);
  45 int ctdb_conn_control_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
  46                            struct ctdb_reply_control **preply);
  47
  48 struct tevent_req *ctdb_conn_init_send(TALLOC_CTX *mem_ctx,
  49                                        struct tevent_context *ev,
  50                                        const char *sock);
  51 int ctdb_conn_init_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
  52                         struct ctdb_conn **pconn);
  53
  54 struct tevent_req *ctdb_conn_msg_write_send(TALLOC_CTX *mem_ctx,
  55                                             struct tevent_context *ev,
  56                                             struct ctdb_conn *conn,
  57                                             uint32_t vnn, uint64_t srvid,
  58                                             uint8_t *msg, size_t msg_len);
  59 int ctdb_conn_msg_write_recv(struct tevent_req *req);
  60
  61 struct ctdb_msg_channel;
  62
  63 struct tevent_req *ctdb_msg_channel_init_send(
  64         TALLOC_CTX *mem_ctx, struct tevent_context *ev,
  65         const char *sock, uint64_t srvid);
  66 int ctdb_msg_channel_init_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
  67                                struct ctdb_msg_channel **pchannel);
  68
  69 struct tevent_req *ctdb_msg_read_send(TALLOC_CTX *mem_ctx,
  70                                       struct tevent_context *ev,
  71                                       struct ctdb_msg_channel *channel);
  72 int ctdb_msg_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
  73                        uint8_t **pmsg, size_t *pmsg_len);
  74
  75 #endif /* _CTDB_CONN_H */