-
Notifications
You must be signed in to change notification settings - Fork 1
/
client-tes.c
80 lines (65 loc) · 1.68 KB
/
client-tes.c
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
/* $Id$
*
*
*
*
*/
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdlib.h>
#include <arpa/inet.h>
#define MAXBUF 65536
int main(int argc, char* argv[])
{
int sock;
int status;
struct addrinfo sainfo, *psinfo;
struct sockaddr_in6 sin6;
int sin6len;
char buffer[MAXBUF];
sin6len = sizeof(struct sockaddr_in6);
if(argc < 2)
printf("Specify a port number\n"), exit(1);
sock = socket(PF_INET6, SOCK_DGRAM,0);
memset(&sin6, 0, sizeof(struct sockaddr_in6));
sin6.sin6_port = htons(0);
sin6.sin6_family = AF_INET6;
sin6.sin6_addr = in6addr_any;
status = bind(sock, (struct sockaddr *)&sin6, sin6len);
if(-1 == status)
perror("bind"), exit(1);
memset(&sainfo, 0, sizeof(struct addrinfo));
memset(&sin6, 0, sin6len);
sainfo.ai_flags = 0;
sainfo.ai_family = AF_INET6;
sainfo.ai_socktype = SOCK_DGRAM;
sainfo.ai_protocol = IPPROTO_UDP;
status = getaddrinfo("ip6-localhost", argv[1], &sainfo, &psinfo);
switch (status)
{
case EAI_FAMILY: printf("family\n");
break;
case EAI_SOCKTYPE: printf("stype\n");
break;
case EAI_BADFLAGS: printf("flag\n");
break;
case EAI_NONAME: printf("noname\n");
break;
case EAI_SERVICE: printf("service\n");
break;
}
sprintf(buffer,"Ciao");
status = sendto(sock, buffer, strlen(buffer), 0,
(struct sockaddr *)psinfo->ai_addr, sin6len);
printf("buffer : %s \t%d\n", buffer, status);
// free memory
freeaddrinfo(psinfo);
psinfo = NULL;
shutdown(sock, 2);
close(sock);
return 0;
}