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98 lines
2.3 KiB
98 lines
2.3 KiB
/*
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* Copyright (C) 2001-2003 FhG Fokus
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* Kamailio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*!
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* \file
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* \brief Kamailio core :: Proxy
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* \ingroup core
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* \author andrei
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* Module: \ref core
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*/
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#ifndef proxy_h
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#define proxy_h
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#include <netdb.h>
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#include "ip_addr.h"
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#include "str.h"
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#include "config.h"
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struct proxy_l{
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struct proxy_l* next;
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str name; /* original name */
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struct hostent host; /* addresses */
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unsigned short port;
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unsigned short reserved; /*align*/
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int proto;
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/* socket ? */
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int addr_idx; /* crt. addr. idx. */
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int ok; /* 0 on error */
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/*statistics*/
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int tx;
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int tx_bytes;
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int errors;
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};
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extern struct proxy_l* proxies;
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struct proxy_l* add_proxy(str* name, unsigned short port, int proto);
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struct proxy_l* mk_proxy(str* name, unsigned short port, int proto);
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struct proxy_l* mk_shm_proxy(str* name, unsigned short port, int proto);
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struct proxy_l* mk_proxy_from_ip(struct ip_addr* ip, unsigned short port,
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int proto);
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void free_proxy(struct proxy_l* p);
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void free_shm_proxy(struct proxy_l* p);
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/** returns 0 on success, -1 on error (unknown af/bug) */
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inline static int proxy2su(union sockaddr_union* su, struct proxy_l* p)
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{
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/* if error try next ip address if possible */
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if (p->ok==0){
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if (p->host.h_addr_list[p->addr_idx+1])
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p->addr_idx++;
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else p->addr_idx=0;
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p->ok=1;
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}
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return hostent2su(su, &p->host, p->addr_idx,
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(p->port)?p->port:((p->proto==PROTO_TLS)?SIPS_PORT:SIP_PORT) );
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}
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/** mark proxy either as ok (err>=0) or as bad (err<0) */
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inline static void proxy_mark(struct proxy_l* p, int err)
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{
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if (err<0){
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p->errors++;
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p->ok=0;
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}else{
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p->tx++;
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}
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}
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#endif
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