62 lines
2 KiB
C
62 lines
2 KiB
C
/*
|
|
* BIRD Socket Interface
|
|
*
|
|
* (c) 1998--1999 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;
|
|
pool *pool; /* Pool for socket data */
|
|
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; /* Interface; specify this for broad/multicast sockets */
|
|
|
|
byte *rbuf, *rpos; /* NULL=allocate automatically */
|
|
unsigned rbsize;
|
|
int (*rx_hook)(struct birdsock *, int size); /* NULL=receiving turned off, returns 1 to clear rx buffer */
|
|
|
|
byte *tbuf, *tpos; /* NULL=allocate automatically */
|
|
byte *ttx; /* Internal */
|
|
unsigned tbsize;
|
|
void (*tx_hook)(struct birdsock *);
|
|
|
|
void (*err_hook)(struct birdsock *, int); /* errno or zero if EOF */
|
|
|
|
ip_addr faddr; /* For packet protocols: source of current packet */
|
|
unsigned fport;
|
|
|
|
int fd; /* System-dependent data */
|
|
node n;
|
|
} sock;
|
|
|
|
sock *sk_new(pool *); /* Allocate new socket */
|
|
int sk_open(sock *); /* Open socket */
|
|
int sk_send(sock *, unsigned len); /* Send data, <0=err, >0=ok, 0=sleep */
|
|
int sk_send_to(sock *, unsigned len, ip_addr to, unsigned port); /* sk_send to given destination */
|
|
void sk_dump_all(void);
|
|
|
|
/*
|
|
* Socket types SA SP DA DP IF TTL SendTo (?=may, -=must not, *=must)
|
|
*/
|
|
|
|
#define SK_TCP_PASSIVE 0 /* ? * - - - ? - */
|
|
#define SK_TCP_ACTIVE 1 /* ? ? * * - ? - */
|
|
#define SK_TCP 2
|
|
#define SK_UDP 3 /* ? ? - - - ? ? */
|
|
#define SK_UDP_MC 4 /* ? ? * * * * - */
|
|
#define SK_IP 5 /* ? ? - * - ? ? */
|
|
#define SK_IP_MC 6 /* ? ? * * * * - */
|
|
#define SK_MAGIC 7 /* Internal use by sysdep code */
|
|
|
|
#endif
|