samba-mirror/ctdb/tcp/ctdb_tcp.h

/* 
   ctdb database library

   Copyright (C) Andrew Tridgell  2006

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/


/* ctdb_tcp main state */
struct ctdb_tcp {
	int listen_fd;
};

/*
  state associated with an incoming connection
*/
struct ctdb_incoming {
	struct ctdb_context *ctdb;
	int fd;
	struct ctdb_queue *queue;
};

/*
  state associated with one tcp node
*/
struct ctdb_tcp_node {
	int fd;
	struct ctdb_queue *queue;
};


/* prototypes internal to tcp transport */
int ctdb_tcp_queue_pkt(struct ctdb_node *node, uint8_t *data, uint32_t length);
int ctdb_tcp_listen(struct ctdb_context *ctdb);
void ctdb_tcp_node_connect(struct event_context *ev, struct timed_event *te, 
			   struct timeval t, void *private);
void ctdb_tcp_read_cb(uint8_t *data, size_t cnt, void *args);
void ctdb_tcp_tnode_cb(uint8_t *data, size_t cnt, void *private);

#define CTDB_TCP_ALIGNMENT 8