qapi: Add missing JSON files in build dependencies
[qemu/armbru.git] / slirp / socket.h
blobc4afc9494f20ce5079e4d0bb5b692db92d7e1bd9
1 /*
2 * Copyright (c) 1995 Danny Gasparovski.
4 * Please read the file COPYRIGHT for the
5 * terms and conditions of the copyright.
6 */
8 #ifndef _SLIRP_SOCKET_H_
9 #define _SLIRP_SOCKET_H_
11 #define SO_EXPIRE 240000
12 #define SO_EXPIREFAST 10000
15 * Our socket structure
18 struct socket {
19 struct socket *so_next,*so_prev; /* For a linked list of sockets */
21 int s; /* The actual socket */
23 int pollfds_idx; /* GPollFD GArray index */
25 Slirp *slirp; /* managing slirp instance */
27 /* XXX union these with not-yet-used sbuf params */
28 struct mbuf *so_m; /* Pointer to the original SYN packet,
29 * for non-blocking connect()'s, and
30 * PING reply's */
31 struct tcpiphdr *so_ti; /* Pointer to the original ti within
32 * so_mconn, for non-blocking connections */
33 int so_urgc;
34 union { /* foreign host */
35 struct sockaddr_storage ss;
36 struct sockaddr_in sin;
37 } fhost;
38 #define so_faddr fhost.sin.sin_addr
39 #define so_fport fhost.sin.sin_port
40 #define so_ffamily fhost.ss.ss_family
42 union { /* local host */
43 struct sockaddr_storage ss;
44 struct sockaddr_in sin;
45 } lhost;
46 #define so_laddr lhost.sin.sin_addr
47 #define so_lport lhost.sin.sin_port
48 #define so_lfamily lhost.ss.ss_family
50 uint8_t so_iptos; /* Type of service */
51 uint8_t so_emu; /* Is the socket emulated? */
53 u_char so_type; /* Type of socket, UDP or TCP */
54 int so_state; /* internal state flags SS_*, below */
56 struct tcpcb *so_tcpcb; /* pointer to TCP protocol control block */
57 u_int so_expire; /* When the socket will expire */
59 int so_queued; /* Number of packets queued from this socket */
60 int so_nqueued; /* Number of packets queued in a row
61 * Used to determine when to "downgrade" a session
62 * from fastq to batchq */
64 struct sbuf so_rcv; /* Receive buffer */
65 struct sbuf so_snd; /* Send buffer */
66 void * extra; /* Extra pointer */
71 * Socket state bits. (peer means the host on the Internet,
72 * local host means the host on the other end of the modem)
74 #define SS_NOFDREF 0x001 /* No fd reference */
76 #define SS_ISFCONNECTING 0x002 /* Socket is connecting to peer (non-blocking connect()'s) */
77 #define SS_ISFCONNECTED 0x004 /* Socket is connected to peer */
78 #define SS_FCANTRCVMORE 0x008 /* Socket can't receive more from peer (for half-closes) */
79 #define SS_FCANTSENDMORE 0x010 /* Socket can't send more to peer (for half-closes) */
80 #define SS_FWDRAIN 0x040 /* We received a FIN, drain data and set SS_FCANTSENDMORE */
82 #define SS_CTL 0x080
83 #define SS_FACCEPTCONN 0x100 /* Socket is accepting connections from a host on the internet */
84 #define SS_FACCEPTONCE 0x200 /* If set, the SS_FACCEPTCONN socket will die after one accept */
86 #define SS_PERSISTENT_MASK 0xf000 /* Unremovable state bits */
87 #define SS_HOSTFWD 0x1000 /* Socket describes host->guest forwarding */
88 #define SS_INCOMING 0x2000 /* Connection was initiated by a host on the internet */
90 static inline int sockaddr_equal(struct sockaddr_storage *a,
91 struct sockaddr_storage *b)
93 if (a->ss_family != b->ss_family) {
94 return 0;
97 switch (a->ss_family) {
98 case AF_INET:
100 struct sockaddr_in *a4 = (struct sockaddr_in *) a;
101 struct sockaddr_in *b4 = (struct sockaddr_in *) b;
102 return a4->sin_addr.s_addr == b4->sin_addr.s_addr
103 && a4->sin_port == b4->sin_port;
105 default:
106 g_assert_not_reached();
109 return 0;
112 struct socket *solookup(struct socket **, struct socket *,
113 struct sockaddr_storage *, struct sockaddr_storage *);
114 struct socket *socreate(Slirp *);
115 void sofree(struct socket *);
116 int soread(struct socket *);
117 void sorecvoob(struct socket *);
118 int sosendoob(struct socket *);
119 int sowrite(struct socket *);
120 void sorecvfrom(struct socket *);
121 int sosendto(struct socket *, struct mbuf *);
122 struct socket * tcp_listen(Slirp *, uint32_t, u_int, uint32_t, u_int,
123 int);
124 void soisfconnecting(register struct socket *);
125 void soisfconnected(register struct socket *);
126 void sofwdrain(struct socket *);
127 struct iovec; /* For win32 */
128 size_t sopreprbuf(struct socket *so, struct iovec *iov, int *np);
129 int soreadbuf(struct socket *so, const char *buf, int size);
131 void sotranslate_out(struct socket *, struct sockaddr_storage *);
132 void sotranslate_in(struct socket *, struct sockaddr_storage *);
133 void sotranslate_accept(struct socket *);
136 #endif /* _SOCKET_H_ */