doubango/tinySIP/include/tinysip/headers/tsip_header_Via.h

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/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO 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 DOUBANGO.
*
*/
/**@file tsip_header_Via.h
* @brief SIP Via/v header as per RFC 3261 subclause 20.42.
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
*/
#ifndef TINYSIP_HEADER_VIA_H
#define TINYSIP_HEADER_VIA_H
#include "tinysip_config.h"
#include "tinysip/headers/tsip_header.h"
#include "tsk_object.h"
TSIP_BEGIN_DECLS
#define TSIP_HEADER_VIA_VA_ARGS(proto_name, proto_version, transport, host, port) tsip_header_Via_def_t, (const char*)proto_name, (const char*)proto_version, (const char*)transport, (const char*)host, (uint16_t)port
#define TSIP_HEADER_VIA_HAS_RPORT(self) ((self)->rport!=0)
#define TSIP_HEADER_VIA_HAS_TTL(self) ((self)->ttl!=0)
#define TSIP_HEADER_VIA_UNRELIABLE_TRANS(self) (tsk_striequals("UDP", (self)->transport))
#define TSIP_HEADER_VIA_RELIABLE_TRANS(self) !(TSIP_HEADER_VIA_UNRELIABLE_TRANS(self))
#define TSIP_HEADER_VIA_PROTO_NAME_DEFAULT "SIP"
#define TSIP_HEADER_VIA_PROTO_VERSION_DEFAULT "2.0"
////////////////////////////////////////////////////////////////////////////////////////////////////
///
/// @brief SIP Via/v header as per RFC 3261 subclause 20.42.
/// ABNF: Via = ( "Via" / "v" ) HCOLON via-parm *(COMMA via-parm)
/// via-parm = sent-protocol LWS sent-by *( SEMI via-params )
/// via-params = via-ttl / via-maddr / via-received / via-branch / via-compression / response-port / via-extension
/// via-ttl = "ttl" EQUAL ttl
/// via-maddr = "maddr" EQUAL host
/// via-received = "received" EQUAL (IPv4address / IPv6address)
/// via-branch = "branch" EQUAL token
/// via-compression = "comp" EQUAL ("sigcomp" / other-compression)
/// other-compression = token
/// response-port = "rport" [EQUAL 1*DIGIT]
/// via-extension = generic-param
/// sent-protocol = protocol-name SLASH protocol-version SLASH transport
/// protocol-name = "SIP" / token
/// protocol-version = token
/// transport = "UDP" / "TCP" / "TLS" / "SCTP" / "TLS-SCTP" / other-transport
/// sent-by = host [ COLON port ]
/// ttl = 1*3DIGIT
///
/// @author Mamadou
/// @date 12/5/2009
////////////////////////////////////////////////////////////////////////////////////////////////////
typedef struct tsip_header_Via_s {
TSIP_DECLARE_HEADER;
char *branch;
char *host;
uint16_t port;
char *comp;
char *sigcomp_id;
char *received;
char *maddr;
char *proto_name;
char *proto_version;
char *transport;
int32_t rport;
int32_t ttl;
}
tsip_header_Via_t;
typedef tsk_list_t tsip_header_Vias_L_t;
TINYSIP_API tsip_header_Via_t* tsip_header_Via_create(const char* proto_name, const char* proto_version, const char* transport, const char* host, uint16_t port);
TINYSIP_API tsip_header_Via_t* tsip_header_Via_create_null();
TINYSIP_API tsip_header_Vias_L_t *tsip_header_Via_parse(const char *data, tsk_size_t size);
TINYSIP_GEXTERN const tsk_object_def_t *tsip_header_Via_def_t;
TSIP_END_DECLS
#endif /* TINYSIP_HEADER_VIA_H */