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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <glusterfs/api/glfs.h>
#include <glusterfs/api/glfs-handles.h>
#define VALIDATE_AND_GOTO_LABEL_ON_ERROR(func, ret, label) do { \
if (ret < 0) { \
fprintf (stderr, "%s : returned error %d (%s)\n", \
func, ret, strerror (errno)); \
goto label; \
} \
} while (0)
#define MAX_FILES_CREATE 10
#define MAXPATHNAME 512
int
main (int argc, char *argv[])
{
int ret = -1;
glfs_t *fs = NULL;
char *volname = NULL;
char *logfile = NULL;
char *hostname = NULL;
char *my_file = "file_";
char my_file_name[MAXPATHNAME];
struct dirent de;
struct dirent *pde = NULL;
struct glfs_xreaddirp_stat *xstat = NULL;
uint32_t rflags = (GFAPI_XREADDIRP_STAT |
GFAPI_XREADDIRP_HANDLE);
uint32_t flags = O_RDWR|O_SYNC;
struct glfs_fd *fd = NULL;
int i = 0;
if (argc != 4) {
fprintf (stderr, "Invalid argument\n");
return 1;
}
hostname = argv[1];
volname = argv[2];
logfile = argv[3];
fs = glfs_new (volname);
if (!fs)
VALIDATE_AND_GOTO_LABEL_ON_ERROR ("glfs_new", ret, out);
ret = glfs_set_volfile_server (fs, "tcp", hostname, 24007);
VALIDATE_AND_GOTO_LABEL_ON_ERROR ("glfs_set_volfile_server", ret, out);
ret = glfs_set_logging (fs, logfile, 7);
VALIDATE_AND_GOTO_LABEL_ON_ERROR ("glfs_set_logging", ret, out);
ret = glfs_init (fs);
VALIDATE_AND_GOTO_LABEL_ON_ERROR ("glfs_init", ret, out);
for (i = 0; i < MAX_FILES_CREATE; i++) {
sprintf (my_file_name, "%s%d", my_file, i);
fd = glfs_creat(fs, my_file_name, flags, 0644);
if (fd == NULL) {
ret = -1;
VALIDATE_AND_GOTO_LABEL_ON_ERROR ("glfs_creat", ret,
out);
}
glfs_close (fd);
}
/* XXX: measure performance and memory usage of this readdirp call */
fd = glfs_opendir (fs, "/");
ret = glfs_xreaddirplus_r(fd, rflags, &xstat, &de, &pde);
while (ret > 0 && pde != NULL) {
fprintf (stderr, "%s: %lu\n", de.d_name, glfs_telldir (fd));
if (xstat)
glfs_free(xstat);
ret = glfs_xreaddirplus_r(fd, rflags, &xstat, &de, &pde);
/* XXX: Use other APIs to fetch stat and handles */
}
if (xstat)
glfs_free(xstat);
VALIDATE_AND_GOTO_LABEL_ON_ERROR ("glfs_xreaddirp_r", ret, out);
out:
if (fd != NULL)
glfs_close(fd);
if (fs) {
ret = glfs_fini(fs);
if (ret)
fprintf (stderr, "glfs_fini(fs) returned %d\n", ret);
}
return ret;
}
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