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-rw-r--r--test/testlfs.c378
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+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_file_io.h"
+#include "apr_file_info.h"
+#include "apr_errno.h"
+#include "apr_general.h"
+#include "apr_poll.h"
+#include "apr_strings.h"
+#include "apr_lib.h"
+#include "apr_mmap.h"
+#include "testutil.h"
+
+/* TODO: in 1.3.0 this becomes APR_HAS_SPARSE_FILES, HOWEVER we will
+ * still need to test csize before proceeding, because having sparse
+ * file support in the OS/APR does not mean this volume supports it!
+ */
+#if APR_HAS_LARGE_FILES
+
+/* Tests which create an 8GB sparse file and then check it can be used
+ * as normal. */
+
+static apr_off_t oneMB = APR_INT64_C(2) << 19;
+static apr_off_t eightGB = APR_INT64_C(2) << 32;
+
+static int madefile = 0;
+
+#define PRECOND if (!madefile) { ABTS_NOT_IMPL(tc, "Large file tests not enabled"); return; }
+
+#define TESTDIR "lfstests"
+#define TESTFILE "large.bin"
+#define TESTFN "lfstests/large.bin"
+
+static void test_open(abts_case *tc, void *data)
+{
+ apr_file_t *f;
+ apr_finfo_t testsize;
+ apr_status_t rv;
+
+ rv = apr_dir_make(TESTDIR, APR_OS_DEFAULT, p);
+ if (rv && !APR_STATUS_IS_EEXIST(rv)) {
+ APR_ASSERT_SUCCESS(tc, "make test directory", rv);
+ }
+
+ /* First attempt a 1MB sparse file so we don't tax the poor test box */
+ rv = apr_file_open(&f, TESTFN, APR_FOPEN_CREATE | APR_FOPEN_WRITE
+ | APR_FOPEN_TRUNCATE | APR_FOPEN_SPARSE,
+ APR_OS_DEFAULT, p);
+
+ APR_ASSERT_SUCCESS(tc, "open file", rv);
+
+ APR_ASSERT_SUCCESS(tc, "Truncate to 1MB", rv = apr_file_trunc(f, oneMB+1));
+
+ if (rv == APR_SUCCESS) {
+ rv = apr_file_info_get(&testsize, APR_FINFO_CSIZE, f);
+ }
+
+ /* give up if we can't determine the allocation size of the file,
+ * or if it's not an obviously small allocation but the allocation
+ * unit doesn't appear insanely large - on most platforms, it's just
+ * zero physical bytes at this point.
+ */
+ if (rv != APR_SUCCESS || (testsize.csize > oneMB
+ && testsize.csize < oneMB * 2)) {
+ ABTS_NOT_IMPL(tc, "Creation of large file (apparently not sparse)");
+
+ madefile = 0;
+ }
+ else {
+ /* Proceed with our 8GB sparse file now */
+ rv = apr_file_trunc(f, eightGB);
+
+ /* 8GB may pass rlimits or filesystem limits */
+
+ if (APR_STATUS_IS_EINVAL(rv)
+#ifdef EFBIG
+ || rv == EFBIG
+#endif
+ ) {
+ ABTS_NOT_IMPL(tc, "Creation of large file (rlimit, quota or fs)");
+ }
+ else {
+ APR_ASSERT_SUCCESS(tc, "truncate file to 8gb", rv);
+ }
+ madefile = rv == APR_SUCCESS;
+ }
+
+ APR_ASSERT_SUCCESS(tc, "close large file", apr_file_close(f));
+
+ if (!madefile) {
+ APR_ASSERT_SUCCESS(tc, "remove large file", apr_file_remove(TESTFN, p));
+ }
+}
+
+static void test_reopen(abts_case *tc, void *data)
+{
+ apr_file_t *fh;
+ apr_finfo_t finfo;
+ apr_status_t rv;
+
+ PRECOND;
+
+ rv = apr_file_open(&fh, TESTFN, APR_FOPEN_SPARSE | APR_FOPEN_READ,
+ APR_OS_DEFAULT, p);
+ APR_ASSERT_SUCCESS(tc, "re-open 8GB file", rv);
+
+ APR_ASSERT_SUCCESS(tc, "file_info_get failed",
+ apr_file_info_get(&finfo, APR_FINFO_NORM, fh));
+
+ ABTS_ASSERT(tc, "file_info_get gave incorrect size",
+ finfo.size == eightGB);
+
+ APR_ASSERT_SUCCESS(tc, "re-close large file", apr_file_close(fh));
+}
+
+static void test_stat(abts_case *tc, void *data)
+{
+ apr_finfo_t finfo;
+
+ PRECOND;
+
+ APR_ASSERT_SUCCESS(tc, "stat large file",
+ apr_stat(&finfo, TESTFN, APR_FINFO_NORM, p));
+
+ ABTS_ASSERT(tc, "stat gave incorrect size", finfo.size == eightGB);
+}
+
+static void test_readdir(abts_case *tc, void *data)
+{
+ apr_dir_t *dh;
+ apr_status_t rv;
+
+ PRECOND;
+
+ APR_ASSERT_SUCCESS(tc, "open test directory",
+ apr_dir_open(&dh, TESTDIR, p));
+
+ do {
+ apr_finfo_t finfo;
+
+ rv = apr_dir_read(&finfo, APR_FINFO_MIN, dh);
+
+ if (rv == APR_SUCCESS && strcmp(finfo.name, TESTFILE) == 0) {
+ ABTS_ASSERT(tc, "apr_dir_read gave incorrect size for large file",
+ finfo.size == eightGB);
+ }
+
+ } while (rv == APR_SUCCESS);
+
+ if (!APR_STATUS_IS_ENOENT(rv)) {
+ APR_ASSERT_SUCCESS(tc, "apr_dir_read failed", rv);
+ }
+
+ APR_ASSERT_SUCCESS(tc, "close test directory",
+ apr_dir_close(dh));
+}
+
+#define TESTSTR "Hello, world."
+
+static void test_append(abts_case *tc, void *data)
+{
+ apr_file_t *fh;
+ apr_finfo_t finfo;
+ apr_status_t rv;
+
+ PRECOND;
+
+ rv = apr_file_open(&fh, TESTFN, APR_FOPEN_SPARSE | APR_FOPEN_WRITE
+ | APR_FOPEN_APPEND,
+ APR_OS_DEFAULT, p);
+ APR_ASSERT_SUCCESS(tc, "open 8GB file for append", rv);
+
+ APR_ASSERT_SUCCESS(tc, "append to 8GB file",
+ apr_file_write_full(fh, TESTSTR, strlen(TESTSTR), NULL));
+
+ APR_ASSERT_SUCCESS(tc, "file_info_get failed",
+ apr_file_info_get(&finfo, APR_FINFO_NORM, fh));
+
+ ABTS_ASSERT(tc, "file_info_get gave incorrect size",
+ finfo.size == eightGB + strlen(TESTSTR));
+
+ APR_ASSERT_SUCCESS(tc, "close 8GB file", apr_file_close(fh));
+}
+
+static void test_seek(abts_case *tc, void *data)
+{
+ apr_file_t *fh;
+ apr_off_t pos;
+ apr_status_t rv;
+
+ PRECOND;
+
+ rv = apr_file_open(&fh, TESTFN, APR_FOPEN_SPARSE | APR_FOPEN_WRITE,
+ APR_OS_DEFAULT, p);
+ APR_ASSERT_SUCCESS(tc, "open 8GB file for writing", rv);
+
+ pos = 0;
+ APR_ASSERT_SUCCESS(tc, "relative seek to end",
+ apr_file_seek(fh, APR_END, &pos));
+ ABTS_ASSERT(tc, "seek to END gave 8GB", pos == eightGB);
+
+ pos = eightGB;
+ APR_ASSERT_SUCCESS(tc, "seek to 8GB", apr_file_seek(fh, APR_SET, &pos));
+ ABTS_ASSERT(tc, "seek gave 8GB offset", pos == eightGB);
+
+ pos = 0;
+ APR_ASSERT_SUCCESS(tc, "relative seek to 0", apr_file_seek(fh, APR_CUR, &pos));
+ ABTS_ASSERT(tc, "relative seek gave 8GB offset", pos == eightGB);
+
+ apr_file_close(fh);
+}
+
+static void test_write(abts_case *tc, void *data)
+{
+ apr_file_t *fh;
+ apr_off_t pos = eightGB - 4;
+ apr_status_t rv;
+
+ PRECOND;
+
+ rv = apr_file_open(&fh, TESTFN, APR_FOPEN_SPARSE | APR_FOPEN_WRITE,
+ APR_OS_DEFAULT, p);
+ APR_ASSERT_SUCCESS(tc, "re-open 8GB file", rv);
+
+ APR_ASSERT_SUCCESS(tc, "seek to 8GB - 4",
+ apr_file_seek(fh, APR_SET, &pos));
+ ABTS_ASSERT(tc, "seek gave 8GB-4 offset", pos == eightGB - 4);
+
+ APR_ASSERT_SUCCESS(tc, "write magic string to 8GB-4",
+ apr_file_write_full(fh, "FISH", 4, NULL));
+
+ APR_ASSERT_SUCCESS(tc, "close 8GB file", apr_file_close(fh));
+}
+
+
+#if APR_HAS_MMAP
+static void test_mmap(abts_case *tc, void *data)
+{
+ apr_mmap_t *map;
+ apr_file_t *fh;
+ apr_size_t len = 65536; /* hopefully a multiple of the page size */
+ apr_off_t off = eightGB - len;
+ apr_status_t rv;
+ void *ptr;
+
+ PRECOND;
+
+ rv = apr_file_open(&fh, TESTFN, APR_FOPEN_SPARSE | APR_FOPEN_READ,
+ APR_OS_DEFAULT, p);
+ APR_ASSERT_SUCCESS(tc, "open 8gb file for mmap", rv);
+
+ APR_ASSERT_SUCCESS(tc, "mmap 8GB file",
+ apr_mmap_create(&map, fh, off, len, APR_MMAP_READ, p));
+
+ APR_ASSERT_SUCCESS(tc, "close file", apr_file_close(fh));
+
+ ABTS_ASSERT(tc, "mapped a 64K block", map->size == len);
+
+ APR_ASSERT_SUCCESS(tc, "get pointer into mmaped region",
+ apr_mmap_offset(&ptr, map, len - 4));
+ ABTS_ASSERT(tc, "pointer was not NULL", ptr != NULL);
+
+ ABTS_ASSERT(tc, "found the magic string", memcmp(ptr, "FISH", 4) == 0);
+
+ APR_ASSERT_SUCCESS(tc, "delete mmap handle", apr_mmap_delete(map));
+}
+#endif /* APR_HAS_MMAP */
+
+static void test_format(abts_case *tc, void *data)
+{
+ apr_off_t off;
+
+ PRECOND;
+
+ off = apr_atoi64(apr_off_t_toa(p, eightGB));
+
+ ABTS_ASSERT(tc, "apr_atoi64 parsed apr_off_t_toa result incorrectly",
+ off == eightGB);
+}
+
+#define TESTBUFFN TESTDIR "/buffer.bin"
+
+static void test_buffered(abts_case *tc, void *data)
+{
+ apr_off_t off;
+ apr_file_t *f;
+ apr_status_t rv;
+
+ PRECOND;
+
+ rv = apr_file_open(&f, TESTBUFFN, APR_FOPEN_CREATE | APR_FOPEN_WRITE
+ | APR_FOPEN_TRUNCATE | APR_FOPEN_BUFFERED
+ | APR_FOPEN_SPARSE,
+ APR_OS_DEFAULT, p);
+ APR_ASSERT_SUCCESS(tc, "open buffered file", rv);
+
+ APR_ASSERT_SUCCESS(tc, "truncate to 8GB",
+ apr_file_trunc(f, eightGB));
+
+ off = eightGB;
+ APR_ASSERT_SUCCESS(tc, "seek to 8GB",
+ apr_file_seek(f, APR_SET, &off));
+ ABTS_ASSERT(tc, "returned seek position still 8GB",
+ off == eightGB);
+
+ off = 0;
+ APR_ASSERT_SUCCESS(tc, "relative seek",
+ apr_file_seek(f, APR_CUR, &off));
+ ABTS_ASSERT(tc, "relative seek still at 8GB",
+ off == eightGB);
+
+ off = 0;
+ APR_ASSERT_SUCCESS(tc, "end-relative seek",
+ apr_file_seek(f, APR_END, &off));
+ ABTS_ASSERT(tc, "end-relative seek still at 8GB",
+ off == eightGB);
+
+ off = -eightGB;
+ APR_ASSERT_SUCCESS(tc, "relative seek to beginning",
+ apr_file_seek(f, APR_CUR, &off));
+ ABTS_ASSERT(tc, "seek to beginning got zero",
+ off == 0);
+
+ APR_ASSERT_SUCCESS(tc, "close buffered file",
+ apr_file_close(f));
+}
+
+#else /* !APR_HAS_LARGE_FILES */
+
+static void test_nolfs(abts_case *tc, void *data)
+{
+ if (sizeof(off_t) < 8) {
+ ABTS_NOT_IMPL(tc, "Large Files not supported");
+ }
+ else {
+ ABTS_NOT_IMPL(tc, "LFS support a no-op in 64-bit builds");
+ }
+}
+
+#endif
+
+abts_suite *testlfs(abts_suite *suite)
+{
+ suite = ADD_SUITE(suite)
+
+#if APR_HAS_LARGE_FILES
+ abts_run_test(suite, test_open, NULL);
+ abts_run_test(suite, test_reopen, NULL);
+ abts_run_test(suite, test_stat, NULL);
+ abts_run_test(suite, test_readdir, NULL);
+ abts_run_test(suite, test_seek, NULL);
+ abts_run_test(suite, test_append, NULL);
+ abts_run_test(suite, test_write, NULL);
+#if APR_HAS_MMAP
+ abts_run_test(suite, test_mmap, NULL);
+#endif
+ abts_run_test(suite, test_format, NULL);
+ abts_run_test(suite, test_buffered, NULL);
+#else
+ abts_run_test(suite, test_nolfs, NULL);
+#endif
+
+ return suite;
+}
+
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