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8#ifndef SLIRP_SOCKET_H
9#define SLIRP_SOCKET_H
10
11#define SO_EXPIRE 240000
12#define SO_EXPIREFAST 10000
13
14
15
16
17
18struct socket {
19 struct socket *so_next,*so_prev;
20
21 int s;
22
23 int pollfds_idx;
24
25 Slirp *slirp;
26
27
28 struct mbuf *so_m;
29
30
31 struct tcpiphdr *so_ti;
32
33 int so_urgc;
34 union {
35 struct sockaddr_storage ss;
36 struct sockaddr_in sin;
37 struct sockaddr_in6 sin6;
38 } fhost;
39#define so_faddr fhost.sin.sin_addr
40#define so_fport fhost.sin.sin_port
41#define so_faddr6 fhost.sin6.sin6_addr
42#define so_fport6 fhost.sin6.sin6_port
43#define so_ffamily fhost.ss.ss_family
44
45 union {
46 struct sockaddr_storage ss;
47 struct sockaddr_in sin;
48 struct sockaddr_in6 sin6;
49 } lhost;
50#define so_laddr lhost.sin.sin_addr
51#define so_lport lhost.sin.sin_port
52#define so_laddr6 lhost.sin6.sin6_addr
53#define so_lport6 lhost.sin6.sin6_port
54#define so_lfamily lhost.ss.ss_family
55
56 uint8_t so_iptos;
57 uint8_t so_emu;
58
59 u_char so_type;
60 int so_state;
61
62 struct tcpcb *so_tcpcb;
63 u_int so_expire;
64
65 int so_queued;
66 int so_nqueued;
67
68
69
70 struct sbuf so_rcv;
71 struct sbuf so_snd;
72 void * extra;
73};
74
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78
79
80#define SS_NOFDREF 0x001
81
82#define SS_ISFCONNECTING 0x002
83#define SS_ISFCONNECTED 0x004
84#define SS_FCANTRCVMORE 0x008
85#define SS_FCANTSENDMORE 0x010
86#define SS_FWDRAIN 0x040
87
88#define SS_CTL 0x080
89#define SS_FACCEPTCONN 0x100
90#define SS_FACCEPTONCE 0x200
91
92#define SS_PERSISTENT_MASK 0xf000
93#define SS_HOSTFWD 0x1000
94#define SS_INCOMING 0x2000
95
96static inline int sockaddr_equal(struct sockaddr_storage *a,
97 struct sockaddr_storage *b)
98{
99 if (a->ss_family != b->ss_family) {
100 return 0;
101 }
102
103 switch (a->ss_family) {
104 case AF_INET:
105 {
106 struct sockaddr_in *a4 = (struct sockaddr_in *) a;
107 struct sockaddr_in *b4 = (struct sockaddr_in *) b;
108 return a4->sin_addr.s_addr == b4->sin_addr.s_addr
109 && a4->sin_port == b4->sin_port;
110 }
111 case AF_INET6:
112 {
113 struct sockaddr_in6 *a6 = (struct sockaddr_in6 *) a;
114 struct sockaddr_in6 *b6 = (struct sockaddr_in6 *) b;
115 return (in6_equal(&a6->sin6_addr, &b6->sin6_addr)
116 && a6->sin6_port == b6->sin6_port);
117 }
118 default:
119 g_assert_not_reached();
120 }
121
122 return 0;
123}
124
125static inline socklen_t sockaddr_size(struct sockaddr_storage *a)
126{
127 switch (a->ss_family) {
128 case AF_INET:
129 return sizeof(struct sockaddr_in);
130 case AF_INET6:
131 return sizeof(struct sockaddr_in6);
132 default:
133 g_assert_not_reached();
134 }
135}
136
137struct socket *solookup(struct socket **, struct socket *,
138 struct sockaddr_storage *, struct sockaddr_storage *);
139struct socket *socreate(Slirp *);
140void sofree(struct socket *);
141int soread(struct socket *);
142int sorecvoob(struct socket *);
143int sosendoob(struct socket *);
144int sowrite(struct socket *);
145void sorecvfrom(struct socket *);
146int sosendto(struct socket *, struct mbuf *);
147struct socket * tcp_listen(Slirp *, uint32_t, u_int, uint32_t, u_int,
148 int);
149void soisfconnecting(register struct socket *);
150void soisfconnected(register struct socket *);
151void sofwdrain(struct socket *);
152struct iovec;
153size_t sopreprbuf(struct socket *so, struct iovec *iov, int *np);
154int soreadbuf(struct socket *so, const char *buf, int size);
155
156void sotranslate_out(struct socket *, struct sockaddr_storage *);
157void sotranslate_in(struct socket *, struct sockaddr_storage *);
158void sotranslate_accept(struct socket *);
159
160
161#endif
162