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
|
#include <assert.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <hicn/util/sstrncpy.h>
/**
* \brief Default unix socket path (the leading \0 means using the abstract
* namespace instead of the filesystem).
*/
#define UNIX_PATH "\0updownsrv"
int main() {
struct sockaddr_un addr;
char buf[100];
int fd, rc;
char* socket_path = UNIX_PATH;
if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
perror("socket error");
exit(-1);
}
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
if (*socket_path == '\0') {
*addr.sun_path = '\0';
strcpy_s(addr.sun_path + 1, sizeof(addr.sun_path) - 2, socket_path + 1);
} else {
strcpy_s(addr.sun_path, sizeof(addr.sun_path) - 1, socket_path);
}
if (connect(fd, (struct sockaddr*)&addr, sizeof(addr)) == -1) {
perror("connect error");
exit(-1);
}
printf("Waiting for server data...\n");
while ((rc = read(fd, buf, sizeof(buf))) > 0) {
assert(rc == 1);
switch (buf[0]) {
case '\0':
printf("WiFi\n");
break;
case '\1':
printf("LTE\n");
break;
default:
printf("Unknown\n");
break;
}
}
return 0;
}
|
