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/*
* include/haproxy/dgram-t.h
* This file provides structures and types for datagram processing
*
* Copyright (C) 2014 Baptiste Assmann <bedis9@gmail.com>
*
* 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, version 2.1
* exclusively.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _HAPROXY_HAPROXY_DGRAM_T_H
#define _HAPROXY_HAPROXY_DGRAM_T_H
#include <arpa/inet.h>
/*
* datagram related structure
*/
struct dgram_conn {
__decl_thread(HA_SPINLOCK_T lock);
const struct dgram_data_cb *data; /* data layer callbacks. Must be set before */
void *owner; /* pointer to upper layer's entity */
union { /* definitions which depend on connection type */
struct { /*** information used by socket-based dgram ***/
int fd; /* file descriptor */
} sock;
} t;
struct {
struct sockaddr_storage from; /* client address, or address to spoof when connecting to the server */
struct sockaddr_storage to; /* address reached by the client, or address to connect to */
} addr; /* addresses of the remote side, client for producer and server for consumer */
};
/*
* datagram callback structure
*/
struct dgram_data_cb {
void (*recv)(struct dgram_conn *dgram); /* recv callback */
void (*send)(struct dgram_conn *dgram); /* send callback */
};
#endif /* _HAPROXY_HAPROXY_DGRAM_T_H */
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