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
|
#define _GNU_SOURCE
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
int
main(int argc, char *argv[])
{
char *filename = NULL, *volname = NULL, *cmd = NULL;
char buffer[1024] = {
0,
};
int fd = -1;
int ret = -1;
struct stat statbuf = {
0,
};
if (argc != 3) {
fprintf(stderr, "usage: %s <file-name> <volname>\n", argv[0]);
goto out;
}
filename = argv[1];
volname = argv[2];
fd = open(filename, O_RDWR | O_CREAT, 0);
if (fd < 0) {
fprintf(stderr, "open (%s) failed (%s)\n", filename, strerror(errno));
goto out;
}
ret = write(fd, "test-content", 12);
if (ret < 0) {
fprintf(stderr, "write failed (%s)", strerror(errno));
goto out;
}
ret = fsync(fd);
if (ret < 0) {
fprintf(stderr, "fsync failed (%s)", strerror(errno));
goto out;
}
ret = fstat(fd, &statbuf);
if (ret < 0) {
fprintf(stderr, "fstat failed (%s)", strerror(errno));
goto out;
}
ret = asprintf(&cmd, "gluster --mode=script volume stop %s force", volname);
if (ret < 0) {
fprintf(stderr, "cannot construct cli command string (%s)",
strerror(errno));
goto out;
}
ret = system(cmd);
if (ret < 0) {
fprintf(stderr, "stopping volume (%s) failed", volname);
goto out;
}
sleep(3);
ret = read(fd, buffer, 1024);
if (ret >= 0) {
fprintf(stderr,
"read should've returned error, "
"but is successful\n");
ret = -1;
goto out;
}
ret = 0;
out:
return ret;
}
|
