msg_translator.h
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 /*$Id$
  * 
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  *
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  * Copyright (C) 2001-2003 FhG Fokus
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  *
  * 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
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  *
  * History:
  * --------
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  * 2003-03-06  totags in outgoing replies bookmarked to enable
  *             ACK/200 tag matching
  *
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  * 2003-03-01 VOICE_MAIL defs removed (jiri)
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  * 2003-10-08 receive_test function-alized (jiri)
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  */
 
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 #ifndef  _MSG_TRANSLATOR_H
 #define _MSG_TRANSLATOR_H
 
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 #define MY_HF_SEP ": "
 #define MY_HF_SEP_LEN 2
 
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 #define BRANCH_SEPARATOR '.'
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 #define WARNING "Warning: 392 "
 #define WARNING_LEN (sizeof(WARNING)-1)
 #define WARNING_PHRASE " \"Noisy feedback tells: "
 #define WARNING_PHRASE_LEN (sizeof(WARNING_PHRASE)-1)
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 /*#define MAX_CONTENT_LEN_BUF INT2STR_MAX_LEN *//* see ut.h/int2str() */
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 #define BUILD_NO_LOCAL_VIA		(1<<0)
 #define BUILD_NO_VIA1_UPDATE	(1<<1)
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 #define BUILD_NO_PATH			(1<<2)
 #define BUILD_IN_SHM			(1<<7)
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 #include "parser/msg_parser.h"
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 #include "ip_addr.h"
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 /* point to some remarkable positions in a SIP message */
 struct bookmark {
 	str to_tag_val;
 };
 
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 /* used by via_builder */
 struct hostport {
 	str* host;
 	str* port;
 };
 
 
 #define set_hostport(hp, msg) \
 	do{ \
 		if ((msg) && ((struct sip_msg*)(msg))->set_global_address.len) \
 			(hp)->host=&(((struct sip_msg*)(msg))->set_global_address); \
 		else \
 			(hp)->host=&default_global_address; \
 		if ((msg) && ((struct sip_msg*)(msg))->set_global_port.len) \
 			(hp)->port=&(((struct sip_msg*)(msg))->set_global_port); \
 		else \
 			(hp)->port=&default_global_port; \
 	}while(0)
 
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 char * build_req_buf_from_sip_req(struct sip_msg* msg, 
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 				unsigned int *returned_len, struct dest_info* send_info,
 				unsigned int mode);
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 char * build_res_buf_from_sip_res(struct sip_msg* msg,
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 				unsigned int *returned_len);
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 char * generate_res_buf_from_sip_res(struct sip_msg* msg,
 				unsigned int *returned_len, unsigned int mode);
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 char * build_res_buf_from_sip_req(unsigned int code,
 				str *text,
 				str *new_tag,
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 				struct sip_msg* msg,
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 				unsigned int *returned_len,
 				struct bookmark *bmark);
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 /*
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 char * build_res_buf_with_body_from_sip_req(	unsigned int code ,
 				char *text ,
 				char *new_tag ,
 				unsigned int new_tag_len ,
 				char *body ,
 				unsigned int body_len,
 				char *content_type,
 				unsigned int content_type_len,
 				struct sip_msg* msg,
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 				unsigned int *returned_len,
 				struct bookmark *bmark);
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 */
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 char* via_builder( unsigned int *len,
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 	struct dest_info* send_info,
 	str *branch, str* extra_params, struct hostport *hp );
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 /* creates a via header honoring the protocol of the incomming socket
  * msg is an optional parameter */
 char* create_via_hf( unsigned int *len,
 	struct sip_msg *msg,
 	struct dest_info* send_info /* where to send the reply */,
 	str* branch);
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 int branch_builder( unsigned int hash_index, 
 	/* only either parameter useful */
 	unsigned int label, char * char_v,
 	int branch,
 	/* output value: string and actual length */
 	char *branch_str, int *len );
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 char* id_builder(struct sip_msg* msg, unsigned int *id_len);
 
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 /* check if IP address in Via != source IP address of signaling,
  * or the sender is asking to set the values for rport or received */
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 int received_test( struct sip_msg *msg );
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 /* check if IP address in Via != source IP address of signaling */
 int received_via_test( struct sip_msg *msg );
 
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 /* builds a char* buffer from message headers without body
  * first line is excluded in case of skip_first_line=1
  */
 char * build_only_headers( struct sip_msg* msg, int skip_first_line,
 				unsigned int *returned_len,
 				int *error,
 				struct dest_info* send_info);
 
 /* builds a char* buffer from message body
  * error is set -1 if the memory allocation failes
  */
 char * build_body( struct sip_msg* msg,
 			unsigned int *returned_len,
 			int *error,
 			struct dest_info* send_info);
 
 /* builds a char* buffer from SIP message including body
  * The function adjusts the Content-Length HF according
  * to body lumps in case of adjust_clen=1.
  */
 char * build_all( struct sip_msg* msg, int adjust_clen,
 			unsigned int *returned_len,
 			int *error,
 			struct dest_info* send_info);
 
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 /** cfg framework fixup */
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 void fix_global_req_flags(str* gname, str* name);
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 int build_sip_msg_from_buf(struct sip_msg *msg, char *buf, int len,
 		unsigned int id);
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 #endif