diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/socket.h | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/lib/socket.h b/lib/socket.h index ee7432b0..af6bff45 100644 --- a/lib/socket.h +++ b/lib/socket.h @@ -13,40 +13,49 @@ 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; /* Bound to interface */ + struct iface *iface; /* Interface; specify this for broad/multicast sockets */ byte *rbuf, *rpos; /* NULL=allocate automatically */ unsigned rbsize; - void (*rx_hook)(struct birdsock *); /* NULL=receiving turned off */ + 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); -} socket; + void (*err_hook)(struct birdsock *, int); /* errno or zero if EOF */ -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 */ + 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 SendTo (?=may, -=must not, *=must) + * 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_UDP 2 /* ? ? - - - ? */ -#define SK_UDP_MC 3 /* ? ? * * * - */ -#define SK_IP 4 /* ? ? - * - ? */ -#define SK_IP_MC 5 /* ? ? * * * - */ +#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 /* ? ? * * * * - */ #endif |