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-rw-r--r--lib/socket.h38
1 files changed, 37 insertions, 1 deletions
diff --git a/lib/socket.h b/lib/socket.h
index f1c9a64..ee7432b 100644
--- a/lib/socket.h
+++ b/lib/socket.h
@@ -11,6 +11,42 @@
#include "lib/resource.h"
-typedef struct birdsock socket;
+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