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#include <fcntl.h>
#include <unistd.h>
#include <time.h>
#include <limits.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <glusterfs/api/glfs.h>
#include <glusterfs/api/glfs-handles.h>
#define LOG_ERR(func, ret) \
do { \
if (ret != 0) { \
fprintf(stderr, "%s : returned error %d (%s)\n", func, ret, \
strerror(errno)); \
goto out; \
} else { \
fprintf(stderr, "%s : returned %d\n", func, ret); \
} \
} while (0)
int
main(int argc, char *argv[])
{
int ret = 0;
glfs_t *fs = NULL;
struct glfs_object *root = NULL, *file_obj = NULL;
struct stat sb = {
0,
};
char readbuf[32], writebuf[32];
char *filename = "file.txt";
char *logfile = NULL;
char *volname = NULL;
char *hostname = NULL;
if (argc != 4) {
fprintf(stderr, "Invalid argument\n");
exit(1);
}
hostname = argv[1];
volname = argv[2];
logfile = argv[3];
fs = glfs_new(volname);
if (!fs) {
fprintf(stderr, "glfs_new: returned NULL\n");
ret = -1;
}
ret = glfs_set_volfile_server(fs, "tcp", hostname, 24007);
LOG_ERR("glfs_set_volfile_server", ret);
ret = glfs_set_logging(fs, logfile, 7);
LOG_ERR("glfs_set_logging", ret);
ret = glfs_init(fs);
LOG_ERR("glfs_init", ret);
root = glfs_h_lookupat(fs, NULL, "/", &sb, 0);
if (root == NULL) {
fprintf(stderr, "glfs_h_lookupat: error on lookup of / ,%s\n",
strerror(errno));
goto out;
}
file_obj = glfs_h_creat(fs, root, filename, O_CREAT, 0644, &sb);
if (file_obj == NULL) {
fprintf(stderr, "glfs_h_creat: error on create of %s: from (%p),%s\n",
filename, root, strerror(errno));
goto out;
}
/* test read/write based on anonymous fd */
memcpy(writebuf, "abcdefghijklmnopqrstuvwxyz012345", 32);
ret = glfs_h_anonymous_write(fs, file_obj, writebuf, 32, 0);
if (ret < 0)
LOG_ERR("glfs_h_anonymous_write", ret);
ret = glfs_h_anonymous_read(fs, file_obj, readbuf, 32, 0);
if (ret < 0)
LOG_ERR("glfs_h_anonymous_read", ret);
if (memcmp(readbuf, writebuf, 32)) {
fprintf(stderr, "Failed to read what I wrote: %s %s\n", readbuf,
writebuf);
ret = -1;
goto out;
}
ret = 0;
out:
if (file_obj)
glfs_h_close(file_obj);
if (fs) {
ret = glfs_fini(fs);
fprintf(stderr, "glfs_fini(fs) returned %d \n", ret);
}
if (ret)
exit(1);
exit(0);
}
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