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sems/core/sip/sip_parser.h

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/*
* $Id: sip_parser.h 1486 2009-08-29 14:40:38Z rco $
*
* Copyright (C) 2007 Raphael Coeffic
*
* This file is part of SEMS, a free SIP media server.
*
* SEMS 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. This program is released under
* the GPL with the additional exemption that compiling, linking,
* and/or using OpenSSL is allowed.
*
* For a license to use the sems 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
*
* SEMS 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
*/
#ifndef _SIP_PARSER_H
#define _SIP_PARSER_H
#include "cstring.h"
#include "parse_uri.h"
#include "resolver.h"
#include <list>
using std::list;
#include <netinet/in.h>
#include <sys/socket.h>
struct sip_request;
struct sip_reply;
struct sip_header;
struct sip_via_parm;
struct dns_handle;
class trsp_socket;
//
// SIP message types:
//
enum {
SIP_UNKNOWN=0,
SIP_REQUEST,
SIP_REPLY
};
struct sip_request
{
//
// Request methods
//
enum {
OTHER_METHOD=0,
INVITE,
ACK,
PRACK,
OPTIONS,
BYE,
CANCEL,
REGISTER
};
cstring method_str;
int method;
cstring ruri_str;
sip_uri ruri;
};
struct sip_reply
{
int code;
cstring reason;
sip_reply()
: code(0)
{}
};
struct sip_msg
{
char* buf;
int len;
// Request or Reply?
int type;
union {
sip_request* request;
sip_reply* reply;
}u;
list<sip_header*> hdrs;
sip_header* to;
sip_header* from;
sip_header* cseq;
sip_header* rack;
sip_header* via1;
sip_via_parm* via_p1;
sip_header* callid;
list<sip_header*> contacts;
list<sip_header*> route;
list<sip_header*> record_route;
sip_header* content_type;
sip_header* content_length;
cstring body;
sockaddr_storage local_ip;
trsp_socket* local_socket;
sockaddr_storage remote_ip;
dns_handle h_dns;
sip_msg();
sip_msg(const char* msg_buf, int msg_len);
~sip_msg();
int send();
};
int parse_method(int* method, const char* beg, int len);
int parse_sip_msg(sip_msg* msg, char*& err_msg);
#define get_contact(msg) (msg->contacts.empty() ? NULL : (*msg->contacts.begin()))
#endif
/** EMACS **
* Local variables:
* mode: c++
* c-basic-offset: 4
* End:
*/