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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2011 New Dream Network
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "gtest/gtest.h"
#include "include/cephfs/libcephfs.h"
#include <errno.h>
#include <fcntl.h>
TEST(LibCephFS, ReaddirRCB) {
struct ceph_mount_info *cmount;
ASSERT_EQ(0, ceph_create(&cmount, NULL));
ASSERT_EQ(0, ceph_conf_read_file(cmount, NULL));
ASSERT_EQ(0, ceph_mount(cmount, "/"));
char c_dir[256];
sprintf(c_dir, "/readdir_r_cb_tests_%d", getpid());
struct ceph_dir_result *dirp;
ASSERT_EQ(0, ceph_mkdirs(cmount, c_dir, 0777));
ASSERT_LE(0, ceph_opendir(cmount, c_dir, &dirp));
// dir is empty, check that it only contains . and ..
int buflen = 100;
char *buf = new char[buflen];
// . is 2, .. is 3 (for null terminators)
ASSERT_EQ(5, ceph_getdnames(cmount, dirp, buf, buflen));
char c_file[256];
sprintf(c_file, "/readdir_r_cb_tests_%d/foo", getpid());
int fd = ceph_open(cmount, c_file, O_CREAT, 0777);
ASSERT_LT(0, fd);
ASSERT_EQ(0, ceph_close(cmount, fd));
// check correctness with one entry
ASSERT_LE(0, ceph_closedir(cmount, dirp));
ASSERT_LE(0, ceph_opendir(cmount, c_dir, &dirp));
ASSERT_EQ(9, ceph_getdnames(cmount, dirp, buf, buflen)); // ., .., foo
// check correctness if buffer is too small
ASSERT_LE(0, ceph_closedir(cmount, dirp));
ASSERT_GE(0, ceph_opendir(cmount, c_dir, &dirp));
ASSERT_EQ(-ERANGE, ceph_getdnames(cmount, dirp, buf, 1));
//check correctness if it needs to split listing
ASSERT_LE(0, ceph_closedir(cmount, dirp));
ASSERT_LE(0, ceph_opendir(cmount, c_dir, &dirp));
ASSERT_EQ(5, ceph_getdnames(cmount, dirp, buf, 6));
ASSERT_EQ(4, ceph_getdnames(cmount, dirp, buf, 6));
// free cmount after finishing testing
ASSERT_LE(0, ceph_closedir(cmount, dirp));
ASSERT_EQ(0, ceph_unmount(cmount));
ASSERT_EQ(0, ceph_release(cmount));
}
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