/[resiprocate]/main/contrib/ares/ares.h
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Annotation of /main/contrib/ares/ares.h

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Revision 2097 - (hide annotations) (download)
Fri Oct 31 19:37:35 2003 UTC (16 years, 1 month ago) by adamr
Original Path: main/sip/contrib/ares/ares.h
File MIME type: text/plain
File size: 7468 byte(s)
Undoing someone else's stomping.

1 adamr 2097 /* $Id: ares.h,v 1.8 2003/10/31 19:37:35 adamr Exp $ */
2 ryker 1479
3     /* Copyright 1998 by the Massachusetts Institute of Technology.
4     *
5     * Permission to use, copy, modify, and distribute this
6     * software and its documentation for any purpose and without
7     * fee is hereby granted, provided that the above copyright
8     * notice appear in all copies and that both that copyright
9     * notice and this permission notice appear in supporting
10     * documentation, and that the name of M.I.T. not be used in
11     * advertising or publicity pertaining to distribution of the
12     * software without specific, written prior permission.
13     * M.I.T. makes no representations about the suitability of
14     * this software for any purpose. It is provided "as is"
15     * without express or implied warranty.
16     */
17    
18     #ifndef ARES__H
19     #define ARES__H
20    
21 fluffy 1726 #ifdef WIN32
22     #include <errno.h>
23     #include <winsock2.h>
24     #include <io.h>
25     #include <string.h>
26     #include <stdio.h>
27 adamr 2097 #elif !defined(__CYGWIN__)
28 fluffy 2091 #include <arpa/nameser.h>
29     #include <arpa/nameser_compat.h>
30 fluffy 1726 #endif
31    
32 ryker 1479 #include <sys/types.h>
33 fluffy 1726 //#include <netinet/in.h>
34 ryker 1479
35 fluffy 1726
36 ryker 1479 #define ARES_SUCCESS 0
37    
38     /* Server error codes (ARES_ENODATA indicates no relevant answer) */
39     #define ARES_ENODATA 1
40     #define ARES_EFORMERR 2
41     #define ARES_ESERVFAIL 3
42     #define ARES_ENOTFOUND 4
43     #define ARES_ENOTIMP 5
44     #define ARES_EREFUSED 6
45    
46     /* Locally generated error codes */
47     #define ARES_EBADQUERY 7
48     #define ARES_EBADNAME 8
49     #define ARES_EBADFAMILY 9
50     #define ARES_EBADRESP 10
51     #define ARES_ECONNREFUSED 11
52     #define ARES_ETIMEOUT 12
53     #define ARES_EOF 13
54     #define ARES_EFILE 14
55     #define ARES_ENOMEM 15
56     #define ARES_EDESTRUCTION 16
57    
58     /* Flag values */
59     #define ARES_FLAG_USEVC (1 << 0)
60     #define ARES_FLAG_PRIMARY (1 << 1)
61     #define ARES_FLAG_IGNTC (1 << 2)
62     #define ARES_FLAG_NORECURSE (1 << 3)
63     #define ARES_FLAG_STAYOPEN (1 << 4)
64     #define ARES_FLAG_NOSEARCH (1 << 5)
65     #define ARES_FLAG_NOALIASES (1 << 6)
66     #define ARES_FLAG_NOCHECKRESP (1 << 7)
67    
68     /* Option mask values */
69     #define ARES_OPT_FLAGS (1 << 0)
70     #define ARES_OPT_TIMEOUT (1 << 1)
71     #define ARES_OPT_TRIES (1 << 2)
72     #define ARES_OPT_NDOTS (1 << 3)
73     #define ARES_OPT_UDP_PORT (1 << 4)
74     #define ARES_OPT_TCP_PORT (1 << 5)
75     #define ARES_OPT_SERVERS (1 << 6)
76     #define ARES_OPT_DOMAINS (1 << 7)
77     #define ARES_OPT_LOOKUPS (1 << 8)
78    
79     struct ares_options {
80     int flags;
81     int timeout;
82     int tries;
83     int ndots;
84     unsigned short udp_port;
85     unsigned short tcp_port;
86     struct in_addr *servers;
87     int nservers;
88     char **domains;
89     int ndomains;
90     char *lookups;
91     };
92    
93     struct hostent;
94     struct timeval;
95     struct ares_channeldata;
96     typedef struct ares_channeldata *ares_channel;
97     typedef void (*ares_callback)(void *arg, int status, unsigned char *abuf,
98     int alen);
99     typedef void (*ares_host_callback)(void *arg, int status,
100     struct hostent *hostent);
101    
102     int ares_init(ares_channel *channelptr);
103     int ares_init_options(ares_channel *channelptr, struct ares_options *options,
104     int optmask);
105     void ares_destroy(ares_channel channel);
106    
107     void ares_send(ares_channel channel, const unsigned char *qbuf, int qlen,
108     ares_callback callback, void *arg);
109     void ares_query(ares_channel channel, const char *name, int dnsclass,
110     int type, ares_callback callback, void *arg);
111     void ares_search(ares_channel channel, const char *name, int dnsclass,
112     int type, ares_callback callback, void *arg);
113     void ares_gethostbyname(ares_channel channel, const char *name, int family,
114     ares_host_callback callback, void *arg);
115     void ares_gethostbyaddr(ares_channel channel, const void *addr, int addrlen,
116     int family, ares_host_callback callback, void *arg);
117    
118     int ares_fds(ares_channel channel, fd_set *read_fds, fd_set *write_fds);
119     struct timeval *ares_timeout(ares_channel channel, struct timeval *maxtv,
120     struct timeval *tv);
121     void ares_process(ares_channel channel, fd_set *read_fds, fd_set *write_fds);
122    
123     int ares_mkquery(const char *name, int dnsclass, int type, unsigned short id,
124     int rd, unsigned char **buf, int *buflen);
125     int ares_expand_name(const unsigned char *encoded, const unsigned char *abuf,
126     int alen, char **s, int *enclen);
127     int ares_parse_a_reply(const unsigned char *abuf, int alen,
128     struct hostent **host);
129     int ares_parse_ptr_reply(const unsigned char *abuf, int alen, const void *addr,
130     int addrlen, int family, struct hostent **host);
131     void ares_free_string(char *str);
132     void ares_free_hostent(struct hostent *host);
133     const char *ares_strerror(int code, char **memptr);
134     void ares_free_errmem(char *mem);
135    
136 fluffy 2091
137 adamr 2078 #if defined(WIN32) || defined (__CYGWIN__)
138 fluffy 1728
139 fluffy 1726 #define T_A 1 /* host address */
140     #define T_NS 2 /* authoritative server */
141     #define T_MD 3 /* mail destination */
142     #define T_MF 4 /* mail forwarder */
143     #define T_CNAME 5 /* canonical name */
144     #define T_SOA 6 /* start of authority zone */
145     #define T_MB 7 /* mailbox domain name */
146     #define T_MG 8 /* mail group member */
147     #define T_MR 9 /* mail rename name */
148     #define T_NULL 10 /* null resource record */
149     #define T_WKS 11 /* well known service */
150     #define T_PTR 12 /* domain name pointer */
151     #define T_HINFO 13 /* host information */
152     #define T_MINFO 14 /* mailbox information */
153     #define T_MX 15 /* mail routing information */
154     #define T_TXT 16 /* text strings */
155     #define T_RP 17 /* responsible person */
156     #define T_AFSDB 18 /* AFS cell database */
157     #define T_X25 19 /* X_25 calling address */
158     #define T_ISDN 20 /* ISDN calling address */
159     #define T_RT 21 /* router */
160     #define T_NSAP 22 /* NSAP address */
161     #define T_NSAP_PTR 23 /* reverse NSAP lookup (deprecated) */
162     #define T_SIG 24 /* security signature */
163     #define T_KEY 25 /* security key */
164     #define T_PX 26 /* X.400 mail mapping */
165     #define T_GPOS 27 /* geographical position (withdrawn) */
166     #define T_AAAA 28 /* IP6 Address */
167     #define T_LOC 29 /* Location Information */
168     /* non standard */
169     #define T_UINFO 100 /* user (finger) information */
170     #define T_UID 101 /* user ID */
171     #define T_GID 102 /* group ID */
172     #define T_UNSPEC 103 /* Unspecified format (binary data) */
173     /* Query type values which do not appear in resource records */
174     #define T_AXFR 252 /* transfer zone of authority */
175     #define T_MAILB 253 /* transfer mailbox records */
176     #define T_MAILA 254 /* transfer mail agent records */
177     #define T_ANY 255 /* wildcard match */
178    
179    
180     #define C_IN 1
181     #define C_CHAOS 3
182     #define C_HS 4
183     #define C_ANY 255
184    
185     #define INDIR_MASK 0xc0
186     #define HFIXEDSZ 12
187     #define QFIXEDSZ 4
188     #define RRFIXEDSZ 10
189    
190     #define NOERROR 0
191     #define FORMERR 1
192     #define SERVFAIL 2
193     #define NXDOMAIN 3
194     #define NOTIMP 4
195     #define REFUSED 5
196    
197     #define PACKETSZ 512
198 adamr 2090
199     #ifndef MAXHOSTNAMELEN
200 fluffy 1726 #define MAXHOSTNAMELEN 256
201 adamr 2090 #endif
202 fluffy 1726
203 adamr 2089 #define NS_DEFAULTPORT 53
204     #define NAMESERVER_PORT NS_DEFAULTPORT
205 fluffy 1726
206     #define QUERY 0
207     #define MAXLABEL 63
208    
209 fluffy 1728 #endif
210 fluffy 1726
211 ryker 1479 #endif /* ARES__H */

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