ctdb/tcp/ctdb_tcp.h

   1 /*
   2    ctdb database library
   3
   4    Copyright (C) Andrew Tridgell  2006
   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_TCP_H
  21 #define _CTDB_TCP_H
  22
  23 /* ctdb_tcp main state */
  24 struct ctdb_tcp {
  25         struct ctdb_context *ctdb;
  26         int listen_fd;
  27 };
  28
  29 /*
  30   state associated with one tcp node
  31 */
  32 struct ctdb_tcp_node {
  33         int out_fd;
  34         struct ctdb_queue *out_queue;
  35
  36         struct tevent_fd *connect_fde;
  37         struct tevent_timer *connect_te;
  38
  39         struct ctdb_context *ctdb;
  40         struct ctdb_queue *in_queue;
  41 };
  42
  43
  44 /* prototypes internal to tcp transport */
  45 int ctdb_tcp_queue_pkt(struct ctdb_node *node, uint8_t *data, uint32_t length);
  46 int ctdb_tcp_listen(struct ctdb_context *ctdb);
  47 void ctdb_tcp_node_connect(struct tevent_context *ev, struct tevent_timer *te,
  48                            struct timeval t, void *private_data);
  49 void ctdb_tcp_read_cb(uint8_t *data, size_t cnt, void *args);
  50 void ctdb_tcp_tnode_cb(uint8_t *data, size_t cnt, void *private_data);
  51 void ctdb_tcp_stop_outgoing(struct ctdb_node *node);
  52 void ctdb_tcp_stop_incoming(struct ctdb_node *node);
  53
  54 #define CTDB_TCP_ALIGNMENT 8
  55
  56 #endif /* _CTDB_TCP_H */