[qemu.git] / slirp / socket.h

/*
 * Copyright (c) 1995 Danny Gasparovski.
 *
 * Please read the file COPYRIGHT for the
 * terms and conditions of the copyright.
 */

/* MINE */

#ifndef _SLIRP_SOCKET_H_
#define _SLIRP_SOCKET_H_

#define SO_EXPIRE 240000
#define SO_EXPIREFAST 10000

/*
 * Our socket structure
 */

struct socket {
  struct socket *so_next,*so_prev;      /* For a linked list of sockets */

  int s;                           /* The actual socket */

			/* 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 */
 
  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 */
};


/*
 * Socket state bits. (peer means the host on the Internet,
 * local host means the host on the other end of the modem)
 */
#define SS_NOFDREF		0x001	/* No fd reference */

#define SS_ISFCONNECTING	0x002	/* Socket is connecting to peer (non-blocking connect()'s) */
#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_ */
Commit	Line	Data
f0cbd3ec FB	1	/*
f0cbd3ec FB	2	* Copyright (c) 1995 Danny Gasparovski.
5fafdf24 TS	3	*
5fafdf24 TS	4	* Please read the file COPYRIGHT for the
f0cbd3ec FB	5	* terms and conditions of the copyright.
	6	*/
	7
	8	/* MINE */
	9
	10	#ifndef _SLIRP_SOCKET_H_
	11	#define _SLIRP_SOCKET_H_
	12
	13	#define SO_EXPIRE 240000
	14	#define SO_EXPIREFAST 10000
	15
	16	/*
	17	* Our socket structure
	18	*/
	19
	20	struct socket {
	21	struct socket so_next,so_prev; /* For a linked list of sockets */
	22
	23	int s; /* The actual socket */
	24
	25	/* XXX union these with not-yet-used sbuf params */
	26	struct mbuf so_m; / Pointer to the original SYN packet,
	27	* for non-blocking connect()'s, and
	28	* PING reply's */
	29	struct tcpiphdr so_ti; / Pointer to the original ti within
	30	* so_mconn, for non-blocking connections */
	31	int so_urgc;
	32	struct in_addr so_faddr; /* foreign host table entry */
	33	struct in_addr so_laddr; /* local host table entry */
	34	u_int16_t so_fport; /* foreign port */
	35	u_int16_t so_lport; /* local port */
5fafdf24	36
f0cbd3ec FB	37	u_int8_t so_iptos; /* Type of service */
f0cbd3ec FB	38	u_int8_t so_emu; /* Is the socket emulated? */
5fafdf24	39
f0cbd3ec FB	40	u_char so_type; /* Type of socket, UDP or TCP */
f0cbd3ec FB	41	int so_state; /* internal state flags SS_, below /
5fafdf24	42
f0cbd3ec FB	43	struct tcpcb so_tcpcb; / pointer to TCP protocol control block */
f0cbd3ec FB	44	u_int so_expire; /* When the socket will expire */
5fafdf24	45
f0cbd3ec FB	46	int so_queued; /* Number of packets queued from this socket */
	47	int so_nqueued; /* Number of packets queued in a row
	48	* Used to determine when to "downgrade" a session
	49	* from fastq to batchq */
5fafdf24	50
f0cbd3ec FB	51	struct sbuf so_rcv; /* Receive buffer */
	52	struct sbuf so_snd; /* Send buffer */
	53	void * extra; /* Extra pointer */
	54	};
	55
	56
	57	/*
	58	* Socket state bits. (peer means the host on the Internet,
	59	* local host means the host on the other end of the modem)
	60	*/
	61	#define SS_NOFDREF 0x001 /* No fd reference */
	62
	63	#define SS_ISFCONNECTING 0x002 /* Socket is connecting to peer (non-blocking connect()'s) */
	64	#define SS_ISFCONNECTED 0x004 /* Socket is connected to peer */
	65	#define SS_FCANTRCVMORE 0x008 /* Socket can't receive more from peer (for half-closes) */
	66	#define SS_FCANTSENDMORE 0x010 /* Socket can't send more to peer (for half-closes) */
	67	/* #define SS_ISFDISCONNECTED 0x020/ / Socket has disconnected from peer, in 2MSL state */
	68	#define SS_FWDRAIN 0x040 /* We received a FIN, drain data and set SS_FCANTSENDMORE */
	69
	70	#define SS_CTL 0x080
	71	#define SS_FACCEPTCONN 0x100 /* Socket is accepting connections from a host on the internet */
	72	#define SS_FACCEPTONCE 0x200 /* If set, the SS_FACCEPTCONN socket will die after one accept */
	73
	74	extern struct socket tcb;
	75
	76
	77	#if defined(DECLARE_IOVEC) && !defined(HAVE_READV)
	78	struct iovec {
	79	char *iov_base;
	80	size_t iov_len;
	81	};
	82	#endif
	83
	84	void so_init _P((void));
	85	struct socket * solookup _P((struct socket *, struct in_addr, u_int, struct in_addr, u_int));
	86	struct socket * socreate _P((void));
	87	void sofree _P((struct socket *));
	88	int soread _P((struct socket *));
	89	void sorecvoob _P((struct socket *));
	90	int sosendoob _P((struct socket *));
	91	int sowrite _P((struct socket *));
	92	void sorecvfrom _P((struct socket *));
	93	int sosendto _P((struct socket , struct mbuf ));
	94	struct socket * solisten _P((u_int, u_int32_t, u_int, int));
	95	void sorwakeup _P((struct socket *));
	96	void sowwakeup _P((struct socket *));
	97	void soisfconnecting _P((register struct socket *));
	98	void soisfconnected _P((register struct socket *));
	99	void sofcantrcvmore _P((struct socket *));
	100	void sofcantsendmore _P((struct socket *));
	101	void soisfdisconnected _P((struct socket *));
	102	void sofwdrain _P((struct socket *));
	103
	104	#endif /* _SOCKET_H_ */