ctdb/event/event_protocol_api.h

   1 /*
   2    CTDB event daemon protocol
   3
   4    Copyright (C) Amitay Isaacs  2018
   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_EVENT_PROTOCOL_API_H__
  21 #define __CTDB_EVENT_PROTOCOL_API_H__
  22
  23 #include <talloc.h>
  24
  25 #include "event/event_protocol.h"
  26
  27 /* From event/event_protocol.c */
  28
  29 int ctdb_event_header_extract(uint8_t *buf,
  30                               size_t buflen,
  31                               struct ctdb_event_header *h);
  32
  33 size_t ctdb_event_request_len(struct ctdb_event_header *h,
  34                               struct ctdb_event_request *in);
  35 int ctdb_event_request_push(struct ctdb_event_header *h,
  36                             struct ctdb_event_request *in,
  37                             uint8_t *buf,
  38                             size_t *buflen);
  39 int ctdb_event_request_pull(uint8_t *buf,
  40                             size_t buflen,
  41                             struct ctdb_event_header *h,
  42                             TALLOC_CTX *mem_ctx,
  43                             struct ctdb_event_request **out);
  44
  45 size_t ctdb_event_reply_len(struct ctdb_event_header *h,
  46                             struct ctdb_event_reply *in);
  47 int ctdb_event_reply_push(struct ctdb_event_header *h,
  48                           struct ctdb_event_reply *in,
  49                           uint8_t *buf,
  50                           size_t *buflen);
  51 int ctdb_event_reply_pull(uint8_t *buf,
  52                           size_t buflen,
  53                           struct ctdb_event_header *h,
  54                           TALLOC_CTX *mem_ctx,
  55                           struct ctdb_event_reply **out);
  56
  57 /* From event/event_protocol_util.c */
  58
  59 const char *ctdb_event_command_to_string(enum ctdb_event_command cmd);
  60
  61 #endif /* __CTDB_EVENT_PROTOCOL_API_H__ */