1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/* $Id: cdns.h,v 1.1.1.1 2000/06/24 11:08:41 edwards Exp $ */
/*
* cdns.h: header for cdns.c
*/
#ifndef _CDNS_H_
#define _CDNS_H_
/* We gotta know about the fd_set type, so we gonna inclue this */
#include "teknap.h"
#if defined(TEKNAP)
#include "struct.h"
#include "newio.h"
#endif
typedef struct dns_struct {
/* 'in': This is the string we want to resolve. It can be
* either a host or ip. The string WILL be malloc'ed by
* the "add" function. Do NOT malloc or free this variable!
*/
char *in;
/* 'out': This is our "resolved" string. It can be
* either a host or ip. The string WILL be malloc'ed by
* the internal resolver. Do NOT malloc or free this variable!
*/
char *out;
/* alias: this is passed to the alias parser which then interpret's
* the output.
*/
char *alias;
/* 'callback': This is our callback function. When our 'in' gets
* resolved, we will call this function, with this structure
* as our parameter. Do NOT malloc or free this variable.
*/
void (*callback) (struct dns_struct *); /* Our callback function */
/* 'callinfo': This allows us to store information that you might
* need for later use when in your 'callback' function. This is
* just a void pointer, so you MUST malloc any of the data you want to
* store here. Once you are done with this variable, you must
* free it!!! BEWARE BEWARE, YOU MUST FREE THIS VARIABLE YOURSELF!
*/
void *callinfo;
/* 'ip': Internally used, to find out what the 'out' variable is.
* ie, is it a host, or is it ip
*/
int ip;
/* 'next': Internally used. our "next" pointer. */
struct dns_struct *next;
} DNS_QUEUE;
void start_dns(void);
void stop_dns(void);
void kill_dns(void);
void set_dns_output_fd(fd_set *);
void dns_check(fd_set *);
void check_dns_queue(void);
void add_to_dns_queue(char *, void (*) (DNS_QUEUE *), char *, void *, int);
#define DNS_URGENT 1
#define DNS_NORMAL 2
#define Q_NEXT(tmp) ((tmp)->next)
#define Q_OPEN(headp, tailp) (*(headp) = *(tailp) = NULL)
#endif
|
