onsend.h
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 /*
  *  $Id$
  *
  * Copyright (C) 2005 iptelorg GmbH
  *
  * 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
  */
 /*
  * History:
  * -------
  *  2005-12-11 created by andrei
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  *  2009-06-01 Pre- and post-script callbacks of onsend route are executed (Miklos)
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  */
 
 
 #ifndef onsend_h
 #define onsend_h
 
 
 #include "ip_addr.h"
 #include "action.h"
 #include "route.h"
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 #include "script_cb.h"
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 #include "sr_compat.h"
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 struct onsend_info{
 	union sockaddr_union* to;
 	struct socket_info* send_sock;
 	char* buf;
 	int len;
 };
 
 extern struct onsend_info* p_onsend;
 
 
 #define get_onsend_info()	(p_onsend)
 
 /*
  * returns: 0 drop the message, >= ok, <0 error (but forward the message)
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  * it also migh change dst->send_flags!
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  * WARNING: buf must be 0 terminated (to allow regex matches on it) */
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 static inline int run_onsend(struct sip_msg* orig_msg, struct dest_info* dst,
 								char* buf, int len)
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 {
 	struct onsend_info onsnd_info;
 	int ret;
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 	struct run_act_ctx ra_ctx;
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 	int backup_route_type;
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 	snd_flags_t fwd_snd_flags_bak;
 	snd_flags_t rpl_snd_flags_bak;
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 	ret=1;
 	if (onsend_rt.rlist[DEFAULT_RT]){
 		onsnd_info.to=&dst->to;
 		onsnd_info.send_sock=dst->send_sock;
 		onsnd_info.buf=buf;
 		onsnd_info.len=len;
 		p_onsend=&onsnd_info;
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 		backup_route_type=get_route_type();
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 		set_route_type(ONSEND_ROUTE);
 		if (exec_pre_script_cb(orig_msg, ONSEND_CB_TYPE)>0) {
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 			/* backup orig_msg send flags */
 			fwd_snd_flags_bak=orig_msg->fwd_send_flags;
 			rpl_snd_flags_bak=orig_msg->rpl_send_flags;
 			orig_msg->fwd_send_flags=dst->send_flags; /* intial value */
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 			init_run_actions_ctx(&ra_ctx);
 			ret=run_actions(&ra_ctx, onsend_rt.rlist[DEFAULT_RT], orig_msg);
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 			/* update dst send_flags */
 			dst->send_flags=orig_msg->fwd_send_flags;
 			/* restore orig_msg flags */
 			orig_msg->fwd_send_flags=fwd_snd_flags_bak;
 			orig_msg->rpl_send_flags=rpl_snd_flags_bak;
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 			exec_post_script_cb(orig_msg, ONSEND_CB_TYPE);
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 			if((ret==0) && !(ra_ctx.run_flags&DROP_R_F)){
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 				ret = 1;
 			}
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 		} else {
 			ret=0; /* drop the message */
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 		}
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 		set_route_type(backup_route_type);
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 		p_onsend=0; /* reset it */
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 	}
 	return ret;
 }
 
 
 #endif