blob: ee7432b0e7b7a40d7a695bfecd4d7ec67ee720a8 (
plain)
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
|
/*
* BIRD Socket Interface
*
* (c) 1998 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#ifndef _BIRD_SOCKET_H_
#define _BIRD_SOCKET_H_
#include "lib/resource.h"
typedef struct birdsock {
resource r;
int type; /* Socket type */
void *data; /* User data */
ip_addr saddr, daddr; /* IPA_NONE = unspecified */
unsigned sport, dport; /* 0 = unspecified (for IP: protocol type) */
int tos; /* TOS and priority, -1 = default */
int ttl; /* Time To Live, -1 = default */
struct iface *iface; /* Bound to interface */
byte *rbuf, *rpos; /* NULL=allocate automatically */
unsigned rbsize;
void (*rx_hook)(struct birdsock *); /* NULL=receiving turned off */
byte *tbuf, *tpos; /* NULL=allocate automatically */
byte *ttx; /* Internal */
unsigned tbsize;
void (*tx_hook)(struct birdsock *);
void (*err_hook)(struct birdsock *, int);
} socket;
socket *sk_get(pool *); /* Allocate new socket */
int sk_open(socket *); /* Open socket */
int sk_send(socket *); /* Try to send queued data, > 0 if succeeded */
int sk_send_to(socket *, ip_addr, unsigned); /* Send queued data to given destination */
/*
* Socket types SA SP DA DP IF SendTo (?=may, -=must not, *=must)
*/
#define SK_TCP_PASSIVE 0 /* ? * - - - - */
#define SK_TCP_ACTIVE 1 /* ? ? * * - - */
#define SK_UDP 2 /* ? ? - - - ? */
#define SK_UDP_MC 3 /* ? ? * * * - */
#define SK_IP 4 /* ? ? - * - ? */
#define SK_IP_MC 5 /* ? ? * * * - */
#endif
|
