libvirt/tests/virrotatingfiletest.c

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/*
* Copyright (C) 2015 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#include <config.h>
#include <sys/stat.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include "virrotatingfile.h"
#include "virlog.h"
#include "testutils.h"
#define VIR_FROM_THIS VIR_FROM_NONE
VIR_LOG_INIT("tests.rotatingfiletest");
#define FILENAME "virrotatingfiledata.txt"
#define FILENAME0 "virrotatingfiledata.txt.0"
#define FILENAME1 "virrotatingfiledata.txt.1"
#define FILEBYTE 0xde
#define FILEBYTE0 0xad
#define FILEBYTE1 0xbe
static int testRotatingFileWriterAssertOneFileSize(const char *filename,
off_t size)
{
struct stat sb;
if (stat(filename, &sb) < 0) {
if (size == (off_t)-1) {
return 0;
} else {
fprintf(stderr, "File %s does not exist\n", filename);
return -1;
}
} else {
if (size == (off_t)-1) {
fprintf(stderr, "File %s should not exist\n", filename);
return -1;
} else if (sb.st_size != size) {
fprintf(stderr, "File %s should be %llu bytes not %llu\n",
filename, (unsigned long long)size,
(unsigned long long)sb.st_size);
return -1;
} else {
return 0;
}
}
}
static int testRotatingFileWriterAssertFileSizes(off_t baseSize,
off_t backup0Size,
off_t backup1Size)
{
if (testRotatingFileWriterAssertOneFileSize(FILENAME, baseSize) < 0 ||
testRotatingFileWriterAssertOneFileSize(FILENAME0, backup0Size) < 0 ||
testRotatingFileWriterAssertOneFileSize(FILENAME1, backup1Size) < 0)
return -1;
return 0;
}
static int testRotatingFileReaderAssertBufferContent(const char *buf,
size_t buflen,
size_t nregions,
size_t *sizes)
{
size_t i, j;
char bytes[] = { FILEBYTE, FILEBYTE0, FILEBYTE1 };
size_t total = 0;
if (nregions > ARRAY_CARDINALITY(bytes)) {
fprintf(stderr, "Too many regions %zu\n", nregions);
return -1;
}
for (i = 0; i < nregions; i++)
total += sizes[i];
if (total != buflen) {
fprintf(stderr, "Expected %zu bytes in file not %zu\n",
total, buflen);
return -1;
}
for (i = 0; i < nregions; i++) {
char want = bytes[nregions - (i + 1)];
for (j = 0; j < sizes[i]; j++) {
if (*buf != want) {
fprintf(stderr,
"Expected '0x%x' but got '0x%x' at region %zu byte %zu\n",
want & 0xff, *buf & 0xff, i, j);
return -1;
}
buf++;
}
}
return 0;
}
static int testRotatingFileInitOne(const char *filename,
off_t size,
char pattern)
{
if (size == (off_t)-1) {
VIR_DEBUG("Deleting %s", filename);
unlink(filename);
} else {
VIR_DEBUG("Creating %s size %zu", filename, (size_t)size);
char buf[1024];
int fd = open(filename, O_WRONLY|O_CREAT|O_TRUNC, 0700);
if (fd < 0) {
fprintf(stderr, "Cannot create %s\n", filename);
return -1;
}
memset(buf, pattern, sizeof(buf));
while (size) {
size_t towrite = size;
if (towrite > sizeof(buf))
towrite = sizeof(buf);
if (safewrite(fd, buf, towrite) != towrite) {
fprintf(stderr, "Cannot write to %s\n", filename);
VIR_FORCE_CLOSE(fd);
return -1;
}
size -= towrite;
}
VIR_FORCE_CLOSE(fd);
}
return 0;
}
static int testRotatingFileInitFiles(off_t baseSize,
off_t backup0Size,
off_t backup1Size)
{
if (testRotatingFileInitOne(FILENAME, baseSize, FILEBYTE) < 0 ||
testRotatingFileInitOne(FILENAME0, backup0Size, FILEBYTE0) < 0 ||
testRotatingFileInitOne(FILENAME1, backup1Size, FILEBYTE1) < 0) {
return -1;
}
return 0;
}
static int testRotatingFileWriterNew(const void *data ATTRIBUTE_UNUSED)
{
virRotatingFileWriterPtr file;
int ret = -1;
char buf[512];
if (testRotatingFileInitFiles((off_t)-1,
(off_t)-1,
(off_t)-1) < 0)
return -1;
file = virRotatingFileWriterNew(FILENAME,
1024,
2,
false,
0700);
if (!file)
goto cleanup;
if (testRotatingFileWriterAssertFileSizes(0,
(off_t)-1,
(off_t)-1) < 0)
goto cleanup;
memset(buf, 0x5e, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
if (testRotatingFileWriterAssertFileSizes(sizeof(buf),
(off_t)-1,
(off_t)-1) < 0)
goto cleanup;
ret = 0;
cleanup:
virRotatingFileWriterFree(file);
unlink(FILENAME);
unlink(FILENAME0);
unlink(FILENAME1);
return ret;
}
static int testRotatingFileWriterAppend(const void *data ATTRIBUTE_UNUSED)
{
virRotatingFileWriterPtr file;
int ret = -1;
char buf[512];
if (testRotatingFileInitFiles(512,
(off_t)-1,
(off_t)-1) < 0)
return -1;
file = virRotatingFileWriterNew(FILENAME,
1024,
2,
false,
0700);
if (!file)
goto cleanup;
if (testRotatingFileWriterAssertFileSizes(512,
(off_t)-1,
(off_t)-1) < 0)
goto cleanup;
memset(buf, 0x5e, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
if (testRotatingFileWriterAssertFileSizes(1024,
(off_t)-1,
(off_t)-1) < 0)
goto cleanup;
ret = 0;
cleanup:
virRotatingFileWriterFree(file);
unlink(FILENAME);
unlink(FILENAME0);
unlink(FILENAME1);
return ret;
}
static int testRotatingFileWriterTruncate(const void *data ATTRIBUTE_UNUSED)
{
virRotatingFileWriterPtr file;
int ret = -1;
char buf[512];
if (testRotatingFileInitFiles(512,
(off_t)-1,
(off_t)-1) < 0)
return -1;
file = virRotatingFileWriterNew(FILENAME,
1024,
2,
true,
0700);
if (!file)
goto cleanup;
if (testRotatingFileWriterAssertFileSizes(0,
(off_t)-1,
(off_t)-1) < 0)
goto cleanup;
memset(buf, 0x5e, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
if (testRotatingFileWriterAssertFileSizes(512,
(off_t)-1,
(off_t)-1) < 0)
goto cleanup;
ret = 0;
cleanup:
virRotatingFileWriterFree(file);
unlink(FILENAME);
unlink(FILENAME0);
unlink(FILENAME1);
return ret;
}
static int testRotatingFileWriterRolloverNone(const void *data ATTRIBUTE_UNUSED)
{
virRotatingFileWriterPtr file;
int ret = -1;
char buf[512];
if (testRotatingFileInitFiles((off_t)-1,
(off_t)-1,
(off_t)-1) < 0)
return -1;
file = virRotatingFileWriterNew(FILENAME,
200,
0,
false,
0700);
if (!file)
goto cleanup;
if (testRotatingFileWriterAssertFileSizes(0,
(off_t)-1,
(off_t)-1) < 0)
goto cleanup;
memset(buf, 0x5e, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
if (testRotatingFileWriterAssertFileSizes(112,
(off_t)-1,
(off_t)-1) < 0)
goto cleanup;
ret = 0;
cleanup:
virRotatingFileWriterFree(file);
unlink(FILENAME);
unlink(FILENAME0);
unlink(FILENAME1);
return ret;
}
static int testRotatingFileWriterRolloverOne(const void *data ATTRIBUTE_UNUSED)
{
virRotatingFileWriterPtr file;
int ret = -1;
char buf[512];
if (testRotatingFileInitFiles((off_t)-1,
(off_t)-1,
(off_t)-1) < 0)
return -1;
file = virRotatingFileWriterNew(FILENAME,
1024,
2,
false,
0700);
if (!file)
goto cleanup;
if (testRotatingFileWriterAssertFileSizes(0,
(off_t)-1,
(off_t)-1) < 0)
goto cleanup;
memset(buf, 0x5e, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
if (testRotatingFileWriterAssertFileSizes(512,
1024,
(off_t)-1) < 0)
goto cleanup;
ret = 0;
cleanup:
virRotatingFileWriterFree(file);
unlink(FILENAME);
unlink(FILENAME0);
unlink(FILENAME1);
return ret;
}
static int testRotatingFileWriterRolloverAppend(const void *data ATTRIBUTE_UNUSED)
{
virRotatingFileWriterPtr file;
int ret = -1;
char buf[512];
if (testRotatingFileInitFiles((off_t)768,
(off_t)-1,
(off_t)-1) < 0)
return -1;
file = virRotatingFileWriterNew(FILENAME,
1024,
2,
false,
0700);
if (!file)
goto cleanup;
if (testRotatingFileWriterAssertFileSizes(768,
(off_t)-1,
(off_t)-1) < 0)
goto cleanup;
memset(buf, 0x5e, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
if (testRotatingFileWriterAssertFileSizes(256,
1024,
(off_t)-1) < 0)
goto cleanup;
ret = 0;
cleanup:
virRotatingFileWriterFree(file);
unlink(FILENAME);
unlink(FILENAME0);
unlink(FILENAME1);
return ret;
}
static int testRotatingFileWriterRolloverMany(const void *data ATTRIBUTE_UNUSED)
{
virRotatingFileWriterPtr file;
int ret = -1;
char buf[512];
if (testRotatingFileInitFiles((off_t)-1,
(off_t)-1,
(off_t)-1) < 0)
return -1;
file = virRotatingFileWriterNew(FILENAME,
1024,
2,
false,
0700);
if (!file)
goto cleanup;
if (testRotatingFileWriterAssertFileSizes(0,
(off_t)-1,
(off_t)-1) < 0)
goto cleanup;
memset(buf, 0x5e, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
virRotatingFileWriterAppend(file, buf, sizeof(buf));
if (testRotatingFileWriterAssertFileSizes(512,
1024,
1024) < 0)
goto cleanup;
ret = 0;
cleanup:
virRotatingFileWriterFree(file);
unlink(FILENAME);
unlink(FILENAME0);
unlink(FILENAME1);
return ret;
}
static int testRotatingFileWriterRolloverLineBreak(const void *data ATTRIBUTE_UNUSED)
{
virRotatingFileWriterPtr file;
int ret = -1;
const char *buf = "The quick brown fox jumps over the lazy dog\n"
"The wizard quickly jinxed the gnomes before they vaporized\n";
if (testRotatingFileInitFiles(100,
(off_t)-1,
(off_t)-1) < 0)
return -1;
file = virRotatingFileWriterNew(FILENAME,
160,
2,
false,
0700);
if (!file)
goto cleanup;
if (testRotatingFileWriterAssertFileSizes(100,
(off_t)-1,
(off_t)-1) < 0)
goto cleanup;
virRotatingFileWriterAppend(file, buf, strlen(buf));
if (testRotatingFileWriterAssertFileSizes(59,
144,
(off_t)-1) < 0)
goto cleanup;
ret = 0;
cleanup:
virRotatingFileWriterFree(file);
unlink(FILENAME);
unlink(FILENAME0);
unlink(FILENAME1);
return ret;
}
static int testRotatingFileWriterLargeFile(const void *data ATTRIBUTE_UNUSED)
{
virRotatingFileWriterPtr file;
int ret = -1;
const char *buf = "The quick brown fox jumps over the lazy dog\n"
"The wizard quickly jinxed the gnomes before they vaporized\n";
if (testRotatingFileInitFiles(200,
(off_t)-1,
(off_t)-1) < 0)
return -1;
file = virRotatingFileWriterNew(FILENAME,
160,
2,
false,
0700);
if (!file)
goto cleanup;
if (testRotatingFileWriterAssertFileSizes(200,
(off_t)-1,
(off_t)-1) < 0)
goto cleanup;
virRotatingFileWriterAppend(file, buf, strlen(buf));
if (testRotatingFileWriterAssertFileSizes(103,
200,
(off_t)-1) < 0)
goto cleanup;
ret = 0;
cleanup:
virRotatingFileWriterFree(file);
unlink(FILENAME);
unlink(FILENAME0);
unlink(FILENAME1);
return ret;
}
static int testRotatingFileReaderOne(const void *data ATTRIBUTE_UNUSED)
{
virRotatingFileReaderPtr file;
int ret = -1;
char buf[512];
ssize_t got;
size_t regions[] = { 256 };
if (testRotatingFileInitFiles(256, (off_t)-1, (off_t)-1) < 0)
return -1;
file = virRotatingFileReaderNew(FILENAME, 2);
if (!file)
goto cleanup;
if ((got = virRotatingFileReaderConsume(file, buf, sizeof(buf))) < 0)
goto cleanup;
if (testRotatingFileReaderAssertBufferContent(buf, got,
ARRAY_CARDINALITY(regions),
regions) < 0)
goto cleanup;
ret = 0;
cleanup:
virRotatingFileReaderFree(file);
unlink(FILENAME);
unlink(FILENAME0);
unlink(FILENAME1);
return ret;
}
static int testRotatingFileReaderAll(const void *data ATTRIBUTE_UNUSED)
{
virRotatingFileReaderPtr file;
int ret = -1;
char buf[768];
ssize_t got;
size_t regions[] = { 256, 256, 256 };
if (testRotatingFileInitFiles(256, 256, 256) < 0)
return -1;
file = virRotatingFileReaderNew(FILENAME, 2);
if (!file)
goto cleanup;
if ((got = virRotatingFileReaderConsume(file, buf, sizeof(buf))) < 0)
goto cleanup;
if (testRotatingFileReaderAssertBufferContent(buf, got,
ARRAY_CARDINALITY(regions),
regions) < 0)
goto cleanup;
ret = 0;
cleanup:
virRotatingFileReaderFree(file);
unlink(FILENAME);
unlink(FILENAME0);
unlink(FILENAME1);
return ret;
}
static int testRotatingFileReaderPartial(const void *data ATTRIBUTE_UNUSED)
{
virRotatingFileReaderPtr file;
int ret = -1;
char buf[600];
ssize_t got;
size_t regions[] = { 256, 256, 88 };
if (testRotatingFileInitFiles(256, 256, 256) < 0)
return -1;
file = virRotatingFileReaderNew(FILENAME, 2);
if (!file)
goto cleanup;
if ((got = virRotatingFileReaderConsume(file, buf, sizeof(buf))) < 0)
goto cleanup;
if (testRotatingFileReaderAssertBufferContent(buf, got,
ARRAY_CARDINALITY(regions),
regions) < 0)
goto cleanup;
ret = 0;
cleanup:
virRotatingFileReaderFree(file);
unlink(FILENAME);
unlink(FILENAME0);
unlink(FILENAME1);
return ret;
}
static int testRotatingFileReaderSeek(const void *data ATTRIBUTE_UNUSED)
{
virRotatingFileReaderPtr file;
int ret = -1;
char buf[600];
ssize_t got;
size_t regions[] = { 156, 256 };
struct stat sb;
if (testRotatingFileInitFiles(256, 256, 256) < 0)
return -1;
file = virRotatingFileReaderNew(FILENAME, 2);
if (!file)
goto cleanup;
if (stat(FILENAME0, &sb) < 0) {
virReportSystemError(errno, "Cannot stat %s", FILENAME0);
goto cleanup;
}
if (virRotatingFileReaderSeek(file, sb.st_ino, 100) < 0)
goto cleanup;
if ((got = virRotatingFileReaderConsume(file, buf, sizeof(buf))) < 0)
goto cleanup;
if (testRotatingFileReaderAssertBufferContent(buf, got,
ARRAY_CARDINALITY(regions),
regions) < 0)
goto cleanup;
ret = 0;
cleanup:
virRotatingFileReaderFree(file);
unlink(FILENAME);
unlink(FILENAME0);
unlink(FILENAME1);
return ret;
}
static int
mymain(void)
{
int ret = 0;
if (virtTestRun("Rotating file write new", testRotatingFileWriterNew, NULL) < 0)
ret = -1;
if (virtTestRun("Rotating file write append", testRotatingFileWriterAppend, NULL) < 0)
ret = -1;
if (virtTestRun("Rotating file write truncate", testRotatingFileWriterTruncate, NULL) < 0)
ret = -1;
if (virtTestRun("Rotating file write rollover no backup", testRotatingFileWriterRolloverNone, NULL) < 0)
ret = -1;
if (virtTestRun("Rotating file write rollover one", testRotatingFileWriterRolloverOne, NULL) < 0)
ret = -1;
if (virtTestRun("Rotating file write rollover append", testRotatingFileWriterRolloverAppend, NULL) < 0)
ret = -1;
if (virtTestRun("Rotating file write rollover many", testRotatingFileWriterRolloverMany, NULL) < 0)
ret = -1;
if (virtTestRun("Rotating file write rollover line break", testRotatingFileWriterRolloverLineBreak, NULL) < 0)
ret = -1;
if (virtTestRun("Rotating file write to file larger then maxlen", testRotatingFileWriterLargeFile, NULL) < 0)
ret = -1;
if (virtTestRun("Rotating file read one", testRotatingFileReaderOne, NULL) < 0)
ret = -1;
if (virtTestRun("Rotating file read all", testRotatingFileReaderAll, NULL) < 0)
ret = -1;
if (virtTestRun("Rotating file read partial", testRotatingFileReaderPartial, NULL) < 0)
ret = -1;
if (virtTestRun("Rotating file read seek", testRotatingFileReaderSeek, NULL) < 0)
ret = -1;
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIRT_TEST_MAIN(mymain)