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#include <inttypes.h>
#include <stdio.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 WRITE_SIZE 4096
#define TRUNC_SIZE 1234
/* Make sure TRUNC_SIZE is smaller than WRITE_SIZE at compile time. */
typedef char _size_check[WRITE_SIZE-TRUNC_SIZE];
int
main (int argc, char *argv[])
{
int ret = -1;
int flags = O_RDWR|O_SYNC;
glfs_t *fs = NULL;
glfs_fd_t *fd1 = NULL;
char *volname = NULL;
char *logfile = NULL;
const char *filename = "file_tmp";
const char buff[WRITE_SIZE];
struct stat sb;
if (argc != 3) {
fprintf (stderr, "Invalid argument\n");
return 1;
}
volname = argv[1];
logfile = argv[2];
fs = glfs_new (volname);
if (!fs)
VALIDATE_AND_GOTO_LABEL_ON_ERROR ("glfs_new", ret, out);
ret = glfs_set_volfile_server (fs, "tcp", "localhost", 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);
fd1 = glfs_creat(fs, filename, flags, 0644);
if (fd1 == NULL) {
ret = -1;
VALIDATE_AND_GOTO_LABEL_ON_ERROR ("glfs_creat", ret, out);
}
ret = glfs_write (fd1, buff, WRITE_SIZE, flags);
VALIDATE_AND_GOTO_LABEL_ON_ERROR ("glfs_write", ret, out);
ret = glfs_truncate (fs, filename, TRUNC_SIZE);
VALIDATE_AND_GOTO_LABEL_ON_ERROR ("glfs_truncate", ret, out);
ret = glfs_fstat (fd1, &sb);
VALIDATE_AND_GOTO_LABEL_ON_ERROR ("glfs_fstat", ret, out);
if (sb.st_size != TRUNC_SIZE) {
fprintf (stderr, "wrong size %jd should be %jd\n",
(intmax_t)sb.st_size, (intmax_t)2048);
ret = -1;
}
out:
if (fd1 != NULL)
glfs_close(fd1);
if (fs) {
/*
* If this fails (as it does on Special Snowflake NetBSD for no
* good reason), it shouldn't affect the result of the test.
*/
(void) glfs_fini(fs);
}
return ret;
}
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