sofia-resolv/sres_record.h

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/*
 * This file is part of the Sofia-SIP package
 *
 * Copyright (C) 2005 Nokia Corporation.
 *
 * Contact: Pekka Pessi <pekka.pessi@nokia-email.address.hidden>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#ifndef SOFIA_RESOLV_SRES_RECORD_H

#define SOFIA_RESOLV_SRES_RECORD_H

#include "sofia-resolv/sres_config.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct sres_common
{
  int               r_refcount; 
  char             *r_name;     
  uint16_t          r_status;   
  uint16_t          r_size;     
  uint16_t          r_type;     
  uint16_t          r_class;    
  uint32_t          r_ttl;      
  uint16_t          r_rdlen;    
  uint16_t          r_parsed;   
} sres_common_t;

enum sres_status {
  SRES_OK = 0,                  
  SRES_FORMAT_ERR = 1,          
  SRES_SERVER_ERR = 2,          
  SRES_NAME_ERR = 3,            
  SRES_UNIMPL_ERR = 4,          
  SRES_AUTH_ERR = 5,            
  /* Errors generated by sresolv */
  SRES_TIMEOUT_ERR = 32,        
  SRES_RECORD_ERR = 33,         
  SRES_INTERNAL_ERR = 34,       
  SRES_NETWORK_ERR = 35,        
  _SRES_LAST_ERR
};

typedef struct sres_soa_record
{
  sres_common_t  soa_record[1]; 
  char          *soa_mname;     
  char          *soa_rname;     
  uint32_t       soa_serial;    
  uint32_t       soa_refresh;   
  uint32_t       soa_retry;     
  uint32_t       soa_expire;    
  uint32_t       soa_minimum;   
} sres_soa_record_t;

typedef struct sres_generic
{
  sres_common_t  g_record[1];   
  uint8_t        g_data[128];   
} sres_generic_t;

typedef struct sres_a_record
{
  sres_common_t  a_record[1];   
  struct in_addr a_addr;        
} sres_a_record_t;

typedef struct
{
  uint8_t u6_addr[16];          
} sres_in6_t;

typedef struct sres_a6_record
{
  sres_common_t  a6_record[1];  
  uint8_t        a6_prelen;     
  uint8_t        a6_pad[3];     
  sres_in6_t     a6_suffix;     
  char          *a6_prename;    
} sres_a6_record_t;

typedef struct sres_aaaa_record
{
  sres_common_t aaaa_record[1]; 
  sres_in6_t    aaaa_addr;      
} sres_aaaa_record_t;

typedef struct sres_cname_record
{
  sres_common_t  cn_record[1];  
  char          *cn_cname;      
} sres_cname_record_t;

typedef struct sres_ptr_record
{
  sres_common_t  ptr_record[1]; 
  char          *ptr_domain;    
} sres_ptr_record_t;

typedef struct sres_srv_record
{
  sres_common_t  srv_record[1]; 
  uint16_t       srv_priority;  
  uint16_t       srv_weight;    
  uint16_t       srv_port;      
  uint16_t       srv_pad;
  char          *srv_target;    
} sres_srv_record_t;

typedef struct sres_naptr_record
{
  sres_common_t  na_record[1];  
  uint16_t       na_order;      
  uint16_t       na_prefer;     
  char          *na_flags;      
  char          *na_services;   
  char          *na_regexp;     
  char          *na_replace;    
} sres_naptr_record_t;


#ifndef SRES_RECORD_T
#define SRES_RECORD_T

typedef union sres_record           sres_record_t;
#endif

union sres_record
{
  sres_common_t       sr_record[1];     
  sres_generic_t      sr_generic[1];    
  sres_soa_record_t   sr_soa[1];        
  sres_a_record_t     sr_a[1];          
  sres_cname_record_t sr_cname[1];      
  sres_ptr_record_t   sr_ptr[1];        
  sres_a6_record_t    sr_a6[1];         
  sres_aaaa_record_t  sr_aaaa[1];       
  sres_srv_record_t   sr_srv[1];        
  sres_naptr_record_t sr_naptr[1];      
};

enum sres_class {
  sres_class_in = 1,                    
  sres_class_any = 255                  
};

enum sres_qtypes {
  sres_type_a = 1,          
  sres_type_ns = 2,         
  sres_type_mf = 4,         
  sres_type_cname = 5,      
  sres_type_soa = 6,        
  sres_type_mb = 7,         
  sres_type_mg = 8,         
  sres_type_mr = 9,         
  sres_type_null = 10,      
  sres_type_wks = 11,       
  sres_type_ptr = 12,       
  sres_type_hinfo = 13,     
  sres_type_minfo = 14,     
  sres_type_mx = 15,        
  sres_type_txt = 16,       
  sres_type_rp = 17,        
  sres_type_afsdb = 18,     
  sres_type_x25 = 19,       
  sres_type_isdn = 20,      
  sres_type_rt = 21,        
  sres_type_nsap = 22,      
  sres_type_nsap_ptr = 23,  
  sres_type_sig = 24,       
  sres_type_key = 25,       
  sres_type_px = 26,        
  sres_type_gpos = 27,      
  sres_type_aaaa = 28,      
  sres_type_loc = 29,       
  sres_type_nxt = 30,       
  sres_type_eid = 31,       
  sres_type_nimloc = 32,    
  sres_type_srv = 33,       
  sres_type_atma = 34,      
  sres_type_naptr = 35,     
  sres_type_kx = 36,        
  sres_type_cert = 37,      
  sres_type_a6 = 38,        
  sres_type_dname = 39,     
  sres_type_sink = 40,      
  sres_type_opt = 41,       
  sres_qtype_tsig = 250,    
  sres_qtype_ixfr = 251,    
  sres_qtype_axfr = 252,    
  sres_qtype_mailb = 253,   
  sres_qtype_maila = 254,   
  sres_qtype_any = 255      
};

SRESPUBFUN char const *sres_record_type(int type, char buffer[8]);

SRESPUBFUN char const *sres_record_status(int status, char buffer[8]);

SRESPUBFUN int sres_record_compare(sres_record_t const *,
                                   sres_record_t const *);

#ifdef __cplusplus
}
#endif

#endif /* SOFIA_RESOLV_SRES_CACHE_H */