File:
[Qemu by Fabrice Bellard] /
qemu /
slirp /
socket.h
Revision
1.1.1.4 (vendor branch):
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Tue Apr 24 17:25:55 2018 UTC (2 years, 11 months ago) by
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CVS tags:
qemu0125,
qemu0124,
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qemu0122,
qemu0121,
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qemu 0.11.0
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: #ifndef _SLIRP_SOCKET_H_
9: #define _SLIRP_SOCKET_H_
10:
11: #define SO_EXPIRE 240000
12: #define SO_EXPIREFAST 10000
13:
14: /*
15: * Our socket structure
16: */
17:
18: struct socket {
19: struct socket *so_next,*so_prev; /* For a linked list of sockets */
20:
21: int s; /* The actual socket */
22:
23: Slirp *slirp; /* managing slirp instance */
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_FWDRAIN 0x040 /* We received a FIN, drain data and set SS_FCANTSENDMORE */
68:
69: #define SS_CTL 0x080
70: #define SS_FACCEPTCONN 0x100 /* Socket is accepting connections from a host on the internet */
71: #define SS_FACCEPTONCE 0x200 /* If set, the SS_FACCEPTCONN socket will die after one accept */
72:
73: #define SS_PERSISTENT_MASK 0xf000 /* Unremovable state bits */
74: #define SS_HOSTFWD 0x1000 /* Socket describes host->guest forwarding */
75: #define SS_INCOMING 0x2000 /* Connection was initiated by a host on the internet */
76:
77: struct socket * solookup(struct socket *, struct in_addr, u_int, struct in_addr, u_int);
78: struct socket * socreate(Slirp *);
79: void sofree(struct socket *);
80: int soread(struct socket *);
81: void sorecvoob(struct socket *);
82: int sosendoob(struct socket *);
83: int sowrite(struct socket *);
84: void sorecvfrom(struct socket *);
85: int sosendto(struct socket *, struct mbuf *);
86: struct socket * tcp_listen(Slirp *, u_int32_t, u_int, u_int32_t, u_int,
87: int);
88: void soisfconnecting(register struct socket *);
89: void soisfconnected(register struct socket *);
90: void sofwdrain(struct socket *);
91: struct iovec; /* For win32 */
92: size_t sopreprbuf(struct socket *so, struct iovec *iov, int *np);
93: int soreadbuf(struct socket *so, const char *buf, int size);
94:
95: #endif /* _SOCKET_H_ */
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