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/* $Id$
*
* find & manage listen addresses
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of ser, a free SIP server.
*
* ser is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* For a license to use the ser software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* ser 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to" the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* This file contains code that initializes and handles ser listen addresses
* lists (struct socket_info). It is used mainly on startup.
*
* History:
* --------
* 2003-10-22 created by andrei
* 2008-08-08 sctp support (andrei)
*/
#ifndef socket_info_h
#define socket_info_h
#include "ip_addr.h"
#include "dprint.h"
#include "globals.h"
/* This macro evaluates to the maximum length of string buffer needed to print
* the text description of any socket, not counting the terminating zero added
* by socket2str */
#define MAX_SOCKET_STR (sizeof("unknown") - 1 + IP_ADDR_MAX_STR_SIZE + \
INT2STR_MAX_LEN + 2 + 2)
int socket2str(char* s, int* len, struct socket_info* si);
/* struct socket_info is defined in ip_addr.h */
extern struct socket_info* udp_listen;
#ifdef USE_TCP
extern struct socket_info* tcp_listen;
#endif
#ifdef USE_TLS
extern struct socket_info* tls_listen;
#endif
#ifdef USE_SCTP
extern struct socket_info* sctp_listen;
#endif
extern enum sip_protos nxt_proto[PROTO_LAST+1];
/* flags for finding out the address types */
#define SOCKET_T_IPV4 1
#define SOCKET_T_IPV6 2
#define SOCKET_T_UDP 4
#define SOCKET_T_TCP 8
#define SOCKET_T_TLS 16
#define SOCKET_T_SCTP 32
extern int socket_types;
void init_proto_order();
int add_listen_iface(char* name, struct name_lst* nlst,
unsigned short port, unsigned short proto,
enum si_flags flags);
int fix_all_socket_lists();
void print_all_socket_lists();
void print_aliases();
struct socket_info* grep_sock_info(str* host, unsigned short port,
unsigned short proto);
struct socket_info* grep_sock_info_by_port(unsigned short port,
unsigned short proto);
struct socket_info* find_si(struct ip_addr* ip, unsigned short port,
unsigned short proto);
struct socket_info** get_sock_info_list(unsigned short proto);
int parse_phostport(char* s, char** host, int* hlen,
int* port, int* proto);
/* helper function:
* returns next protocol, if the last one is reached return 0
* useful for cycling on the supported protocols
* order: udp, tcp, tls, sctp */
static inline int next_proto(unsigned short proto)
{
if (proto>PROTO_LAST)
LOG(L_ERR, "ERROR: next_proto: unknown proto %d\n", proto);
else
return nxt_proto[proto];
return 0;
}
/* gets first non-null socket_info structure
* (useful if for. e.g we are not listening on any udp sockets )
*/
inline static struct socket_info* get_first_socket()
{
if (udp_listen) return udp_listen;
#ifdef USE_TCP
else if (tcp_listen) return tcp_listen;
#endif
#ifdef USE_SCTP
else if (sctp_listen) return sctp_listen;
#endif
#ifdef USE_TCP
#ifdef USE_TLS
else if (tls_listen) return tls_listen;
#endif
#endif
return 0;
}
#endif
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