/*
* Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
+ *
+ * Please read the file COPYRIGHT for the
* terms and conditions of the copyright.
*/
-/* MINE */
-
-#ifndef _SLIRP_SOCKET_H_
-#define _SLIRP_SOCKET_H_
+#ifndef SLIRP_SOCKET_H
+#define SLIRP_SOCKET_H
#define SO_EXPIRE 240000
#define SO_EXPIREFAST 10000
* Our socket structure
*/
+union slirp_sockaddr {
+ struct sockaddr_storage ss;
+ struct sockaddr_in sin;
+ struct sockaddr_in6 sin6;
+};
+
struct socket {
struct socket *so_next,*so_prev; /* For a linked list of sockets */
int s; /* The actual socket */
+ int pollfds_idx; /* GPollFD GArray index */
+
+ Slirp *slirp; /* managing slirp instance */
+
/* XXX union these with not-yet-used sbuf params */
struct mbuf *so_m; /* Pointer to the original SYN packet,
* for non-blocking connect()'s, and
* PING reply's */
struct tcpiphdr *so_ti; /* Pointer to the original ti within
* so_mconn, for non-blocking connections */
- int so_urgc;
- struct in_addr so_faddr; /* foreign host table entry */
- struct in_addr so_laddr; /* local host table entry */
- u_int16_t so_fport; /* foreign port */
- u_int16_t so_lport; /* local port */
-
- u_int8_t so_iptos; /* Type of service */
- u_int8_t so_emu; /* Is the socket emulated? */
-
- u_char so_type; /* Type of socket, UDP or TCP */
- int so_state; /* internal state flags SS_*, below */
-
+ uint32_t so_urgc;
+ union slirp_sockaddr fhost; /* Foreign host */
+#define so_faddr fhost.sin.sin_addr
+#define so_fport fhost.sin.sin_port
+#define so_faddr6 fhost.sin6.sin6_addr
+#define so_fport6 fhost.sin6.sin6_port
+#define so_ffamily fhost.ss.ss_family
+
+ union slirp_sockaddr lhost; /* Local host */
+#define so_laddr lhost.sin.sin_addr
+#define so_lport lhost.sin.sin_port
+#define so_laddr6 lhost.sin6.sin6_addr
+#define so_lport6 lhost.sin6.sin6_port
+#define so_lfamily lhost.ss.ss_family
+
+ uint8_t so_iptos; /* Type of service */
+ uint8_t so_emu; /* Is the socket emulated? */
+
+ uint8_t so_type; /* Type of socket, UDP or TCP */
+ int32_t so_state; /* internal state flags SS_*, below */
+
struct tcpcb *so_tcpcb; /* pointer to TCP protocol control block */
u_int so_expire; /* When the socket will expire */
-
+
int so_queued; /* Number of packets queued from this socket */
int so_nqueued; /* Number of packets queued in a row
* Used to determine when to "downgrade" a session
* from fastq to batchq */
-
+
struct sbuf so_rcv; /* Receive buffer */
struct sbuf so_snd; /* Send buffer */
void * extra; /* Extra pointer */
#define SS_ISFCONNECTED 0x004 /* Socket is connected to peer */
#define SS_FCANTRCVMORE 0x008 /* Socket can't receive more from peer (for half-closes) */
#define SS_FCANTSENDMORE 0x010 /* Socket can't send more to peer (for half-closes) */
-/* #define SS_ISFDISCONNECTED 0x020*/ /* Socket has disconnected from peer, in 2MSL state */
#define SS_FWDRAIN 0x040 /* We received a FIN, drain data and set SS_FCANTSENDMORE */
#define SS_CTL 0x080
#define SS_FACCEPTCONN 0x100 /* Socket is accepting connections from a host on the internet */
#define SS_FACCEPTONCE 0x200 /* If set, the SS_FACCEPTCONN socket will die after one accept */
-extern struct socket tcb;
-
-
-#if defined(DECLARE_IOVEC) && !defined(HAVE_READV)
-struct iovec {
- char *iov_base;
- size_t iov_len;
-};
-#endif
-
-void so_init _P((void));
-struct socket * solookup _P((struct socket *, struct in_addr, u_int, struct in_addr, u_int));
-struct socket * socreate _P((void));
-void sofree _P((struct socket *));
-int soread _P((struct socket *));
-void sorecvoob _P((struct socket *));
-int sosendoob _P((struct socket *));
-int sowrite _P((struct socket *));
-void sorecvfrom _P((struct socket *));
-int sosendto _P((struct socket *, struct mbuf *));
-struct socket * solisten _P((u_int, u_int32_t, u_int, int));
-void sorwakeup _P((struct socket *));
-void sowwakeup _P((struct socket *));
-void soisfconnecting _P((register struct socket *));
-void soisfconnected _P((register struct socket *));
-void sofcantrcvmore _P((struct socket *));
-void sofcantsendmore _P((struct socket *));
-void soisfdisconnected _P((struct socket *));
-void sofwdrain _P((struct socket *));
-
-#endif /* _SOCKET_H_ */
+#define SS_PERSISTENT_MASK 0xf000 /* Unremovable state bits */
+#define SS_HOSTFWD 0x1000 /* Socket describes host->guest forwarding */
+#define SS_INCOMING 0x2000 /* Connection was initiated by a host on the internet */
+
+static inline int sockaddr_equal(struct sockaddr_storage *a,
+ struct sockaddr_storage *b)
+{
+ if (a->ss_family != b->ss_family) {
+ return 0;
+ }
+
+ switch (a->ss_family) {
+ case AF_INET:
+ {
+ struct sockaddr_in *a4 = (struct sockaddr_in *) a;
+ struct sockaddr_in *b4 = (struct sockaddr_in *) b;
+ return a4->sin_addr.s_addr == b4->sin_addr.s_addr
+ && a4->sin_port == b4->sin_port;
+ }
+ case AF_INET6:
+ {
+ struct sockaddr_in6 *a6 = (struct sockaddr_in6 *) a;
+ struct sockaddr_in6 *b6 = (struct sockaddr_in6 *) b;
+ return (in6_equal(&a6->sin6_addr, &b6->sin6_addr)
+ && a6->sin6_port == b6->sin6_port);
+ }
+ default:
+ g_assert_not_reached();
+ }
+
+ return 0;
+}
+
+static inline socklen_t sockaddr_size(struct sockaddr_storage *a)
+{
+ switch (a->ss_family) {
+ case AF_INET:
+ return sizeof(struct sockaddr_in);
+ case AF_INET6:
+ return sizeof(struct sockaddr_in6);
+ default:
+ g_assert_not_reached();
+ }
+}
+
+struct socket *solookup(struct socket **, struct socket *,
+ struct sockaddr_storage *, struct sockaddr_storage *);
+struct socket *socreate(Slirp *);
+void sofree(struct socket *);
+int soread(struct socket *);
+int sorecvoob(struct socket *);
+int sosendoob(struct socket *);
+int sowrite(struct socket *);
+void sorecvfrom(struct socket *);
+int sosendto(struct socket *, struct mbuf *);
+struct socket * tcp_listen(Slirp *, uint32_t, u_int, uint32_t, u_int,
+ int);
+void soisfconnecting(register struct socket *);
+void soisfconnected(register struct socket *);
+void sofwdrain(struct socket *);
+struct iovec; /* For win32 */
+size_t sopreprbuf(struct socket *so, struct iovec *iov, int *np);
+int soreadbuf(struct socket *so, const char *buf, int size);
+
+void sotranslate_out(struct socket *, struct sockaddr_storage *);
+void sotranslate_in(struct socket *, struct sockaddr_storage *);
+void sotranslate_accept(struct socket *);
+
+
+#endif /* SLIRP_SOCKET_H */
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