1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/*
* Test RTEMS networking
*
* This program may be distributed and used for any purpose.
* I ask only that you:
* 1. Leave this author information intact.
* 2. Document any changes you make.
*
* W. Eric Norum
* Saskatchewan Accelerator Laboratory
* University of Saskatchewan
* Saskatoon, Saskatchewan, CANADA
* eric@skatter.usask.ca
*
* $Id$
*/
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <rtems.h>
#include <rtems/rtems_bsdnet.h>
#include <rtems/error.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
/*
* Show network-related statistics
*/
static void
showStatistics (void)
{
rtems_bsdnet_show_inet_routes ();
rtems_bsdnet_show_mbuf_stats ();
rtems_bsdnet_show_if_stats ();
rtems_bsdnet_show_ip_stats ();
rtems_bsdnet_show_icmp_stats ();
rtems_bsdnet_show_udp_stats ();
rtems_bsdnet_show_tcp_stats ();
}
/*
* Show host information
*/
static void
showhost (struct hostent *hp)
{
char **ap;
struct in_addr in;
if (hp == NULL) {
printf ("Host information not available.\n");
return;
}
printf ("Official name: %s\n", hp->h_name);
ap = hp->h_aliases;
if (ap && *ap) {
printf ("Alias%s:\n", ap[1] ? "es" : "");
while (*ap)
printf (" %s\n", *ap++);
}
if ((hp->h_addrtype == AF_INET) && (hp->h_length == sizeof in)) {
ap = hp->h_addr_list;
if (ap && *ap) {
printf ("Address%s:", ap[1] ? "es" : "");
while (*ap) {
memcpy (&in, *ap++, sizeof in);
printf (" %s", inet_ntoa (in));
}
printf ("\n");
}
}
else {
printf ("Address type: %d\n", hp->h_addrtype);
printf ("Address length: %d\n", hp->h_length);
}
}
/*
* Test Domain Name Servers
*/
void
testDNS (void)
{
char namebuf[100];
char *name, *cp;
struct hostent *hp;
for (;;) {
printf ("\nhost? ");
if (fgets (namebuf, sizeof namebuf, stdin) == NULL)
return;
cp = namebuf;
while (isspace ((int) *cp))
cp++;
if (cp[0] == '\0') {
showStatistics ();
continue;
}
name = cp;
while (isgraph ((int) *cp))
cp++;
*cp = '\0';
if (isdigit((int) *name)) {
struct in_addr addr;
addr.s_addr = inet_addr (name);
hp = gethostbyaddr ((char *)&addr, sizeof addr, AF_INET);
}
else {
hp = gethostbyname (name);
}
showhost (hp);
}
}
|
