VirtualBox

source: vbox/trunk/src/VBox/Devices/Network/slirp/socket.h@ 14199

Last change on this file since 14199 was 14180, checked in by vboxsync, 16 years ago

switching to one event for all sockets

  • Property svn:eol-style set to native
File size: 3.5 KB
Line 
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
20struct 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
74extern struct socket tcb;
75
76
77#if defined(DECLARE_IOVEC) && !defined(HAVE_READV)
78struct iovec {
79 char *iov_base;
80 size_t iov_len;
81};
82#endif
83
84void so_init _P((void));
85struct socket * solookup _P((struct socket *, struct in_addr, u_int, struct in_addr, u_int));
86struct socket * socreate _P((void));
87void sofree _P((PNATState, struct socket *));
88int soread _P((PNATState, struct socket *));
89void sorecvoob _P((PNATState, struct socket *));
90int sosendoob _P((struct socket *));
91int sowrite _P((PNATState, struct socket *));
92void sorecvfrom _P((PNATState, struct socket *));
93int sosendto _P((PNATState, struct socket *, struct mbuf *));
94struct socket * solisten _P((PNATState, u_int, u_int32_t, u_int, int));
95void sorwakeup _P((struct socket *));
96void sowwakeup _P((struct socket *));
97void soisfconnecting _P((register struct socket *));
98void soisfconnected _P((register struct socket *));
99void sofcantrcvmore _P((struct socket *));
100void sofcantsendmore _P((struct socket *));
101void soisfdisconnected _P((struct socket *));
102void sofwdrain _P((struct socket *));
103
104#endif /* _SOCKET_H_ */
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