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c57dfcf9 KS |
1 | /* |
2 | * Copyright (c) 1988, 1990 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * %sccs.include.redist.c% | |
6 | */ | |
7 | /* Modifications | |
8 | * Copyright (c) 1990 Robert Hagens | |
9 | */ | |
10 | #ifndef lint | |
11 | static char sccsid[] = "@(#)Tesis.c 1.1 (Berkeley) %G%"; | |
12 | #endif /* not lint */ | |
13 | ||
14 | /* | |
15 | * This is a test program to listen to esis packets. | |
16 | */ | |
17 | #include <sys/param.h> | |
18 | #include <sys/uio.h> | |
19 | #include <sys/socket.h> | |
20 | #include <sys/ioctl.h> | |
21 | #include <net/route.h> | |
22 | #include <net/if.h> | |
23 | #define TCPT_NTIMERS 4 | |
24 | #include <netiso/iso.h> | |
25 | #include <netiso/tp_param.h> | |
26 | #include <netiso/tp_user.h> | |
27 | ||
28 | #include <stdio.h> | |
29 | #include <errno.h> | |
30 | #include <ctype.h> | |
31 | #include <netdb.h> | |
32 | ||
33 | ||
34 | #define dbprintf if(verbose)printf | |
35 | #define try(a,b,c) {x = (a b); dbprintf("%s%s returns %d\n",c,"a",x);\ | |
36 | if(x<0) {perror("a"); myexit(0);}} | |
37 | ||
38 | ||
39 | struct ifreq ifr; | |
40 | short port = 3000; | |
41 | struct sockaddr_iso faddr, laddr = { sizeof(laddr), AF_ISO }; | |
42 | struct sockaddr_iso *siso = &laddr; | |
43 | char **xenvp; | |
44 | ||
45 | long size, count = 10, forkp, confp, echop, mynamep, verbose = 1, playtag = 0; | |
46 | long records, intercept = 0, isode_mode; | |
47 | ||
48 | char buf[2048]; | |
49 | char your_it[] = "You're it!"; | |
50 | ||
51 | char *Servername; | |
52 | ||
53 | main(argc, argv, envp) | |
54 | int argc; | |
55 | char *argv[]; | |
56 | char *envp[]; | |
57 | { | |
58 | tisink(); | |
59 | } | |
60 | #define BIG 2048 | |
61 | #define MIDLIN 512 | |
62 | char readbuf[BIG]; | |
63 | struct iovec iov[1] = { | |
64 | readbuf, | |
65 | sizeof readbuf, | |
66 | }; | |
67 | char name[MIDLIN]; | |
68 | union { | |
69 | struct { | |
70 | struct cmsghdr cmhdr; | |
71 | char cmdata[128 - sizeof(struct cmsghdr)]; | |
72 | } cm; | |
73 | char data[128]; | |
74 | } cbuf; | |
75 | #define control cbuf.data | |
76 | struct msghdr msghdr = { | |
77 | name, sizeof(name), | |
78 | iov, sizeof(iov)/sizeof(iov[1]), | |
79 | control, sizeof control, | |
80 | 0 /* flags */ | |
81 | }; | |
82 | ||
83 | tisink() | |
84 | { | |
85 | int x, s, pid, on = 1, loop = 0, n, fromlen, flags = 0; | |
86 | extern int errno; | |
87 | ||
88 | try(socket, (AF_ISO, SOCK_DGRAM, ISOPROTO_ESIS),""); | |
89 | s = x; | |
90 | ||
91 | for(;;) { | |
92 | fromlen = sizeof(name); | |
93 | try(recvfrom, (s, readbuf, sizeof(readbuf), flags, | |
94 | name, &fromlen), ""); | |
95 | n = x; | |
96 | dumpit("connection from:", name, fromlen); | |
97 | dumpit("packet is:", readbuf, n); | |
98 | } | |
99 | } | |
100 | answerback(flags, n, ns) | |
101 | { | |
102 | msghdr.msg_controllen = 0; | |
103 | msghdr.msg_iovlen = 1; | |
104 | iov->iov_len = n; | |
105 | n = sendmsg(ns, &msghdr, flags); | |
106 | dbprintf("echoed %d\n", n); | |
107 | return n; | |
108 | } | |
109 | ||
110 | dumpit(what, where, n) | |
111 | char *what; unsigned short *where; int n; | |
112 | { | |
113 | unsigned short *s = where; | |
114 | unsigned short *z = where + (n+1)/2; | |
115 | int count = 0; | |
116 | printf(what); | |
117 | while(s < z) { | |
118 | count++; | |
119 | printf("%x ",*s++); | |
120 | if ((count & 15) == 0) | |
121 | putchar('\n'); | |
122 | } | |
123 | if (count & 15) | |
124 | putchar('\n'); | |
125 | fflush(stdout); | |
126 | } | |
127 | myexit(n) | |
128 | { | |
129 | fflush(stderr); | |
130 | printf("got %d records\n", records); | |
131 | fflush(stdout); | |
132 | exit(n); | |
133 | } |