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