haproxy/include/proto/proto_tcp.h

78 lines
2.6 KiB
C

/*
* include/proto/proto_tcp.h
* This file contains TCP socket protocol definitions.
*
* Copyright (C) 2000-2013 Willy Tarreau - w@1wt.eu
*
* 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 _PROTO_PROTO_TCP_H
#define _PROTO_PROTO_TCP_H
#include <common/config.h>
#include <types/proto_tcp.h>
#include <types/task.h>
#include <proto/stick_table.h>
int tcp_bind_socket(int fd, int flags, struct sockaddr_storage *local, struct sockaddr_storage *remote);
void tcpv4_add_listener(struct listener *listener);
void tcpv6_add_listener(struct listener *listener);
int tcp_connect_server(struct connection *conn, int data, int delack);
int tcp_connect_probe(struct connection *conn);
int tcp_get_src(int fd, struct sockaddr *sa, socklen_t salen, int dir);
int tcp_get_dst(int fd, struct sockaddr *sa, socklen_t salen, int dir);
int tcp_drain(int fd);
int tcp_inspect_request(struct session *s, struct channel *req, int an_bit);
int tcp_inspect_response(struct session *s, struct channel *rep, int an_bit);
int tcp_exec_req_rules(struct session *s);
/* Converts the INET/INET6 source address to a stick_table key usable for table
* lookups. Returns either NULL if the source cannot be converted (eg: not
* IPv4) or a pointer to the converted result in static_table_key in the
* appropriate format (IP).
*/
static inline struct stktable_key *addr_to_stktable_key(struct sockaddr_storage *addr)
{
switch (addr->ss_family) {
case AF_INET:
static_table_key->key = (void *)&((struct sockaddr_in *)addr)->sin_addr;
break;
case AF_INET6:
static_table_key->key = (void *)&((struct sockaddr_in6 *)addr)->sin6_addr;
break;
default:
return NULL;
}
return static_table_key;
}
/* for a tcp-request action TCP_ACT_TRK_*, return a tracking index starting at
* zero for SC1. Unknown actions also return zero.
*/
static inline int tcp_trk_idx(int trk_action)
{
return trk_action - TCP_ACT_TRK_SC0;
}
#endif /* _PROTO_PROTO_TCP_H */
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*/