src/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_ */
Revision:	1.1
Committed:	2005-05-13T09:00:59Z (19 years ago) by gbeauche
Content type:	text/plain
Branch:	MAIN
CVS Tags:	nigel-build-19, nigel-build-17, HEAD
Log Message:	slirp user mode network emulation code from qemu
#	User	Rev	Content
1	gbeauche	1.1	/*
2			* Copyright (c) 1995 Danny Gasparovski.
3			*
4			* Please read the file COPYRIGHT for the
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 */
36
37			u_int8_t so_iptos; /* Type of service */
38			u_int8_t so_emu; /* Is the socket emulated? */
39
40			u_char so_type; /* Type of socket, UDP or TCP */
41			int so_state; /* internal state flags SS_, below /
42
43			struct tcpcb so_tcpcb; / pointer to TCP protocol control block */
44			u_int so_expire; /* When the socket will expire */
45
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 */
50
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_ */