Commit | Line | Data |
---|---|---|
da7c5cc6 | 1 | /* |
ac79b8e6 | 2 | * Copyright (c) 1982, 1986, 1990 Regents of the University of California. |
e0813a30 | 3 | * All rights reserved. |
da7c5cc6 | 4 | * |
dbf0c423 | 5 | * %sccs.include.redist.c% |
e0813a30 | 6 | * |
9bb1dbe9 | 7 | * @(#)sys_socket.c 7.11 (Berkeley) %G% |
da7c5cc6 | 8 | */ |
48aab316 | 9 | |
94368568 JB |
10 | #include "param.h" |
11 | #include "systm.h" | |
94368568 JB |
12 | #include "file.h" |
13 | #include "mbuf.h" | |
14 | #include "protosw.h" | |
15 | #include "socket.h" | |
16 | #include "socketvar.h" | |
17 | #include "ioctl.h" | |
94368568 | 18 | #include "stat.h" |
48aab316 | 19 | |
b6b0de03 MK |
20 | #include "net/if.h" |
21 | #include "net/route.h" | |
48aab316 | 22 | |
48aab316 | 23 | struct fileops socketops = |
c4ec2128 | 24 | { soo_read, soo_write, soo_ioctl, soo_select, soo_close }; |
48aab316 | 25 | |
c4ec2128 KM |
26 | /* ARGSUSED */ |
27 | soo_read(fp, uio, cred) | |
48aab316 | 28 | struct file *fp; |
48aab316 | 29 | struct uio *uio; |
c4ec2128 | 30 | struct ucred *cred; |
48aab316 | 31 | { |
48aab316 | 32 | |
c4ec2128 | 33 | return (soreceive((struct socket *)fp->f_data, (struct mbuf **)0, |
ac79b8e6 | 34 | uio, (struct mbuf **)0, (struct mbuf **)0, (int *)0)); |
c4ec2128 KM |
35 | } |
36 | ||
37 | /* ARGSUSED */ | |
38 | soo_write(fp, uio, cred) | |
39 | struct file *fp; | |
40 | struct uio *uio; | |
41 | struct ucred *cred; | |
42 | { | |
43 | ||
44 | return (sosend((struct socket *)fp->f_data, (struct mbuf *)0, | |
ac79b8e6 | 45 | uio, (struct mbuf *)0, (struct mbuf *)0, 0)); |
48aab316 SL |
46 | } |
47 | ||
8429d022 | 48 | soo_ioctl(fp, cmd, data, p) |
48aab316 SL |
49 | struct file *fp; |
50 | int cmd; | |
51 | register caddr_t data; | |
8429d022 | 52 | struct proc *p; |
48aab316 SL |
53 | { |
54 | register struct socket *so = (struct socket *)fp->f_data; | |
55 | ||
56 | switch (cmd) { | |
57 | ||
58 | case FIONBIO: | |
59 | if (*(int *)data) | |
60 | so->so_state |= SS_NBIO; | |
61 | else | |
62 | so->so_state &= ~SS_NBIO; | |
1116b929 | 63 | return (0); |
48aab316 SL |
64 | |
65 | case FIOASYNC: | |
d1ba3865 | 66 | if (*(int *)data) { |
48aab316 | 67 | so->so_state |= SS_ASYNC; |
d1ba3865 MK |
68 | so->so_rcv.sb_flags |= SB_ASYNC; |
69 | so->so_snd.sb_flags |= SB_ASYNC; | |
70 | } else { | |
48aab316 | 71 | so->so_state &= ~SS_ASYNC; |
d1ba3865 MK |
72 | so->so_rcv.sb_flags &= ~SB_ASYNC; |
73 | so->so_snd.sb_flags &= ~SB_ASYNC; | |
74 | } | |
1116b929 | 75 | return (0); |
48aab316 | 76 | |
8b899dbe SL |
77 | case FIONREAD: |
78 | *(int *)data = so->so_rcv.sb_cc; | |
1116b929 | 79 | return (0); |
8b899dbe | 80 | |
48aab316 | 81 | case SIOCSPGRP: |
a2aebb63 | 82 | so->so_pgid = *(int *)data; |
1116b929 | 83 | return (0); |
48aab316 SL |
84 | |
85 | case SIOCGPGRP: | |
a2aebb63 | 86 | *(int *)data = so->so_pgid; |
1116b929 | 87 | return (0); |
48aab316 SL |
88 | |
89 | case SIOCATMARK: | |
90 | *(int *)data = (so->so_state&SS_RCVATMARK) != 0; | |
1116b929 | 91 | return (0); |
48aab316 | 92 | } |
1116b929 SL |
93 | /* |
94 | * Interface/routing/protocol specific ioctls: | |
95 | * interface and routing ioctls should have a | |
96 | * different entry since a socket's unnecessary | |
97 | */ | |
ac79b8e6 | 98 | if (IOCGROUP(cmd) == 'i') |
8429d022 | 99 | return (ifioctl(so, cmd, data, p)); |
ac79b8e6 | 100 | if (IOCGROUP(cmd) == 'r') |
8429d022 | 101 | return (rtioctl(cmd, data, p)); |
1116b929 SL |
102 | return ((*so->so_proto->pr_usrreq)(so, PRU_CONTROL, |
103 | (struct mbuf *)cmd, (struct mbuf *)data, (struct mbuf *)0)); | |
48aab316 SL |
104 | } |
105 | ||
8429d022 | 106 | soo_select(fp, which, p) |
48aab316 SL |
107 | struct file *fp; |
108 | int which; | |
8429d022 | 109 | struct proc *p; |
48aab316 SL |
110 | { |
111 | register struct socket *so = (struct socket *)fp->f_data; | |
112 | register int s = splnet(); | |
113 | ||
114 | switch (which) { | |
115 | ||
116 | case FREAD: | |
117 | if (soreadable(so)) { | |
118 | splx(s); | |
119 | return (1); | |
120 | } | |
8429d022 | 121 | sbselqueue(&so->so_rcv, p); |
48aab316 SL |
122 | break; |
123 | ||
124 | case FWRITE: | |
125 | if (sowriteable(so)) { | |
126 | splx(s); | |
127 | return (1); | |
128 | } | |
8429d022 | 129 | sbselqueue(&so->so_snd, p); |
48aab316 | 130 | break; |
de2c74a5 MK |
131 | |
132 | case 0: | |
133 | if (so->so_oobmark || | |
134 | (so->so_state & SS_RCVATMARK)) { | |
135 | splx(s); | |
136 | return (1); | |
137 | } | |
8429d022 | 138 | sbselqueue(&so->so_rcv, p); |
de2c74a5 | 139 | break; |
48aab316 SL |
140 | } |
141 | splx(s); | |
142 | return (0); | |
143 | } | |
144 | ||
92438dfc SL |
145 | soo_stat(so, ub) |
146 | register struct socket *so; | |
48aab316 SL |
147 | register struct stat *ub; |
148 | { | |
48aab316 SL |
149 | |
150 | bzero((caddr_t)ub, sizeof (*ub)); | |
48aab316 SL |
151 | return ((*so->so_proto->pr_usrreq)(so, PRU_SENSE, |
152 | (struct mbuf *)ub, (struct mbuf *)0, | |
153 | (struct mbuf *)0)); | |
48aab316 SL |
154 | } |
155 | ||
9bb1dbe9 KM |
156 | /* ARGSUSED */ |
157 | soo_close(fp, p) | |
48aab316 | 158 | struct file *fp; |
9bb1dbe9 | 159 | struct proc *p; |
48aab316 | 160 | { |
ec04fec2 | 161 | int error = 0; |
e0813a30 | 162 | |
ec04fec2 SL |
163 | if (fp->f_data) |
164 | error = soclose((struct socket *)fp->f_data); | |
48aab316 SL |
165 | fp->f_data = 0; |
166 | return (error); | |
167 | } |