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/*
* $Id: sl.c,v 1.6 2006/03/29 17:06:28 bogdan_iancu Exp $
*
* sl module
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of openser, a free SIP server.
*
* openser 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
*
* openser 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
*
* History:
* --------
* 2003-03-11 updated to the new module exports interface (andrei)
* 2003-03-16 flags export parameter added (janakj)
* 2003-03-19 all mallocs/frees replaced w/ pkg_malloc/pkg_free
* 2005-03-01 force for stateless replies the incoming interface of
* the request (bogdan)
* 2006-03-29 callbacks for sending replies added (bogdan)
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "../../sr_module.h"
#include "../../dprint.h"
#include "../../error.h"
#include "../../ut.h"
#include "../../script_cb.h"
#include "../../mem/mem.h"
#include "sl_funcs.h"
#include "sl_cb.h"
MODULE_VERSION
static int w_sl_send_reply(struct sip_msg* msg, char* str, char* str2);
static int w_sl_reply_error(struct sip_msg* msg, char* str, char* str2);
static int fixup_sl_send_reply(void** param, int param_no);
static int mod_init(void);
static void mod_destroy();
/* module parameter */
int sl_enable_stats = 1;
/* statistic variables */
stat_var *tx_1xx_rpls;
stat_var *tx_2xx_rpls;
stat_var *tx_3xx_rpls;
stat_var *tx_4xx_rpls;
stat_var *tx_5xx_rpls;
stat_var *tx_6xx_rpls;
stat_var *sent_rpls;
stat_var *sent_err_rpls;
stat_var *rcv_acks;
static cmd_export_t cmds[]={
{"sl_send_reply", w_sl_send_reply, 2, fixup_sl_send_reply,
REQUEST_ROUTE},
{"sl_reply_error", w_sl_reply_error, 0, 0,
REQUEST_ROUTE},
{"register_slcb", (cmd_function)register_slcb, 0, 0,
0},
{0,0,0,0,0}
};
static param_export_t mod_params[]={
{ "enable_stats", INT_PARAM, &sl_enable_stats },
{ 0,0,0 }
};
stat_export_t mod_stats[] = {
{"1xx_replies" , 0, &tx_1xx_rpls },
{"2xx_replies" , 0, &tx_2xx_rpls },
{"3xx_replies" , 0, &tx_3xx_rpls },
{"4xx_replies" , 0, &tx_4xx_rpls },
{"5xx_replies" , 0, &tx_5xx_rpls },
{"6xx_replies" , 0, &tx_6xx_rpls },
{"sent_replies" , 0, &sent_rpls },
{"sent_err_replies" , 0, &sent_err_rpls },
{"received_ACKs" , 0, &rcv_acks },
{0,0,0}
};
#ifdef STATIC_SL
struct module_exports sl_exports = {
#else
struct module_exports exports= {
#endif
"sl", /* module's name */
cmds, /* exported functions */
mod_params, /* param exports */
mod_stats, /* exported statistics */
mod_init, /* module initialization function */
0, /* reply processing function */
mod_destroy,
0 /* per-child init function */
};
static int mod_init(void)
{
LOG(L_INFO,"StateLess module - initializing\n");
/* if statistics are disabled, prevent their registration to core */
if (sl_enable_stats==0)
#ifdef STATIC_SL
sl_exports.stats = 0;
#else
exports.stats = 0;
#endif
/* filter all ACKs before script */
if (register_script_cb(sl_filter_ACK, PRE_SCRIPT_CB|REQ_TYPE_CB, 0 )!=0) {
LOG(L_ERR,"ERROR:sl:mod_init: register_script_cb failed\n");
return -1;
}
/* init internal SL stuff */
if (sl_startup()!=0) {
LOG(L_ERR,"ERROR:sl:mod_init: sl_startup failed\n");
return -1;
}
return 0;
}
static void mod_destroy()
{
sl_shutdown();
destroy_slcb_lists();
}
static int fixup_sl_send_reply(void** param, int param_no)
{
unsigned long code;
int err;
if (param_no==1){
code=str2s(*param, strlen(*param), &err);
if (err==0){
pkg_free(*param);
*param=(void*)code;
return 0;
}else{
LOG(L_ERR, "SL module:fixup_sl_send_reply: bad number <%s>\n",
(char*)(*param));
return E_UNSPEC;
}
}
return 0;
}
static int w_sl_send_reply(struct sip_msg* msg, char* str, char* str2)
{
return sl_send_reply( msg, (unsigned int)(unsigned long)str, str2);
}
static int w_sl_reply_error( struct sip_msg* msg, char* str, char* str2)
{
return sl_reply_error( msg );
}
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