mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-12-23 14:15:28 +00:00
346 lines
9.3 KiB
C
346 lines
9.3 KiB
C
/*
|
|
* Copyright (C) 2013 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 <stdlib.h>
|
|
#include <fcntl.h>
|
|
|
|
#include "testutils.h"
|
|
|
|
#include "fdstream.h"
|
|
#include "datatypes.h"
|
|
#include "virerror.h"
|
|
#include "viralloc.h"
|
|
#include "virlog.h"
|
|
#include "virstring.h"
|
|
#include "virfile.h"
|
|
#include "virutil.h"
|
|
|
|
#define VIR_FROM_THIS VIR_FROM_NONE
|
|
|
|
VIR_LOG_INIT("tests.fdstreamtest");
|
|
|
|
#define PATTERN_LEN 256
|
|
|
|
static int testFDStreamReadCommon(const char *scratchdir, bool blocking)
|
|
{
|
|
int fd = -1;
|
|
char *file = NULL;
|
|
int ret = -1;
|
|
char *pattern = NULL;
|
|
char *buf = NULL;
|
|
virStreamPtr st = NULL;
|
|
size_t i;
|
|
virConnectPtr conn = NULL;
|
|
int flags = 0;
|
|
|
|
if (!blocking)
|
|
flags |= VIR_STREAM_NONBLOCK;
|
|
|
|
if (!(conn = virConnectOpen("test:///default")))
|
|
goto cleanup;
|
|
|
|
if (VIR_ALLOC_N(pattern, PATTERN_LEN) < 0 ||
|
|
VIR_ALLOC_N(buf, PATTERN_LEN) < 0)
|
|
goto cleanup;
|
|
|
|
for (i = 0; i < PATTERN_LEN; i++)
|
|
pattern[i] = i;
|
|
|
|
if (virAsprintf(&file, "%s/input.data", scratchdir) < 0)
|
|
goto cleanup;
|
|
|
|
if ((fd = open(file, O_CREAT|O_WRONLY|O_EXCL, 0600)) < 0)
|
|
goto cleanup;
|
|
|
|
for (i = 0; i < 10; i++) {
|
|
if (safewrite(fd, pattern, PATTERN_LEN) != PATTERN_LEN)
|
|
goto cleanup;
|
|
}
|
|
|
|
if (VIR_CLOSE(fd) < 0)
|
|
goto cleanup;
|
|
|
|
if (!(st = virStreamNew(conn, flags)))
|
|
goto cleanup;
|
|
|
|
/* Start reading 1/2 way through first pattern
|
|
* and end 1/2 way through last pattern
|
|
*/
|
|
if (virFDStreamOpenFile(st, file,
|
|
PATTERN_LEN / 2, PATTERN_LEN * 9,
|
|
O_RDONLY) < 0)
|
|
goto cleanup;
|
|
|
|
for (i = 0; i < 10; i++) {
|
|
size_t offset = 0;
|
|
size_t want;
|
|
if (i == 0)
|
|
want = PATTERN_LEN / 2;
|
|
else
|
|
want = PATTERN_LEN;
|
|
|
|
while (want > 0) {
|
|
int got;
|
|
reread:
|
|
got = st->driver->streamRecv(st, buf + offset, want);
|
|
if (got < 0) {
|
|
if (got == -2 && !blocking) {
|
|
usleep(20 * 1000);
|
|
goto reread;
|
|
}
|
|
virFilePrintf(stderr, "Failed to read stream: %s\n",
|
|
virGetLastErrorMessage());
|
|
goto cleanup;
|
|
}
|
|
if (got == 0) {
|
|
/* Expect EOF 1/2 through last pattern */
|
|
if (i == 9 && want == (PATTERN_LEN / 2))
|
|
break;
|
|
virFilePrintf(stderr, "Unexpected EOF block %zu want %zu\n",
|
|
i, want);
|
|
goto cleanup;
|
|
}
|
|
offset += got;
|
|
want -= got;
|
|
}
|
|
if (i == 0) {
|
|
if (memcmp(buf, pattern + (PATTERN_LEN / 2), PATTERN_LEN / 2) != 0) {
|
|
virFilePrintf(stderr, "Mismatched pattern data iteration %zu\n", i);
|
|
goto cleanup;
|
|
}
|
|
} else if (i == 9) {
|
|
if (memcmp(buf, pattern, PATTERN_LEN / 2) != 0) {
|
|
virFilePrintf(stderr, "Mismatched pattern data iteration %zu\n", i);
|
|
goto cleanup;
|
|
}
|
|
} else {
|
|
if (memcmp(buf, pattern, PATTERN_LEN) != 0) {
|
|
virFilePrintf(stderr, "Mismatched pattern data iteration %zu\n", i);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (st->driver->streamFinish(st) != 0) {
|
|
virFilePrintf(stderr, "Failed to finish stream: %s\n",
|
|
virGetLastErrorMessage());
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = 0;
|
|
cleanup:
|
|
if (st)
|
|
virStreamFree(st);
|
|
VIR_FORCE_CLOSE(fd);
|
|
if (file != NULL)
|
|
unlink(file);
|
|
if (conn)
|
|
virConnectClose(conn);
|
|
VIR_FREE(file);
|
|
VIR_FREE(pattern);
|
|
VIR_FREE(buf);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int testFDStreamReadBlock(const void *data)
|
|
{
|
|
return testFDStreamReadCommon(data, true);
|
|
}
|
|
static int testFDStreamReadNonblock(const void *data)
|
|
{
|
|
return testFDStreamReadCommon(data, false);
|
|
}
|
|
|
|
|
|
static int testFDStreamWriteCommon(const char *scratchdir, bool blocking)
|
|
{
|
|
int fd = -1;
|
|
char *file = NULL;
|
|
int ret = -1;
|
|
char *pattern = NULL;
|
|
char *buf = NULL;
|
|
virStreamPtr st = NULL;
|
|
size_t i;
|
|
virConnectPtr conn = NULL;
|
|
int flags = 0;
|
|
|
|
if (!blocking)
|
|
flags |= VIR_STREAM_NONBLOCK;
|
|
|
|
if (!(conn = virConnectOpen("test:///default")))
|
|
goto cleanup;
|
|
|
|
if (VIR_ALLOC_N(pattern, PATTERN_LEN) < 0 ||
|
|
VIR_ALLOC_N(buf, PATTERN_LEN) < 0)
|
|
goto cleanup;
|
|
|
|
for (i = 0; i < PATTERN_LEN; i++)
|
|
pattern[i] = i;
|
|
|
|
if (virAsprintf(&file, "%s/input.data", scratchdir) < 0)
|
|
goto cleanup;
|
|
|
|
if (!(st = virStreamNew(conn, flags)))
|
|
goto cleanup;
|
|
|
|
/* Start writing 1/2 way through first pattern
|
|
* and end 1/2 way through last pattern
|
|
*/
|
|
if (virFDStreamCreateFile(st, file,
|
|
PATTERN_LEN / 2, PATTERN_LEN * 9,
|
|
O_WRONLY, 0600) < 0)
|
|
goto cleanup;
|
|
|
|
for (i = 0; i < 10; i++) {
|
|
size_t offset = 0;
|
|
size_t want;
|
|
if (i == 0)
|
|
want = PATTERN_LEN / 2;
|
|
else
|
|
want = PATTERN_LEN;
|
|
|
|
while (want > 0) {
|
|
int got;
|
|
rewrite:
|
|
got = st->driver->streamSend(st, pattern + offset, want);
|
|
if (got < 0) {
|
|
if (got == -2 && !blocking) {
|
|
usleep(20 * 1000);
|
|
goto rewrite;
|
|
}
|
|
if (i == 9 &&
|
|
want == (PATTERN_LEN / 2))
|
|
break;
|
|
virFilePrintf(stderr, "Failed to write stream: %s\n",
|
|
virGetLastErrorMessage());
|
|
goto cleanup;
|
|
}
|
|
offset += got;
|
|
want -= got;
|
|
}
|
|
}
|
|
|
|
if (st->driver->streamFinish(st) != 0) {
|
|
virFilePrintf(stderr, "Failed to finish stream: %s\n",
|
|
virGetLastErrorMessage());
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((fd = open(file, O_RDONLY)) < 0)
|
|
goto cleanup;
|
|
|
|
for (i = 0; i < 10; i++) {
|
|
size_t want;
|
|
if (i == 9)
|
|
want = PATTERN_LEN / 2;
|
|
else
|
|
want = PATTERN_LEN;
|
|
|
|
if (saferead(fd, buf, want) != want) {
|
|
virFilePrintf(stderr, "Short read from data\n");
|
|
goto cleanup;
|
|
}
|
|
|
|
if (i == 0) {
|
|
size_t j;
|
|
for (j = 0; j < (PATTERN_LEN / 2); j++) {
|
|
if (buf[j] != 0) {
|
|
virFilePrintf(stderr, "Mismatched pattern data iteration %zu\n", i);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
if (memcmp(buf + (PATTERN_LEN / 2), pattern, PATTERN_LEN / 2) != 0) {
|
|
virFilePrintf(stderr, "Mismatched pattern data iteration %zu\n", i);
|
|
goto cleanup;
|
|
}
|
|
} else if (i == 9) {
|
|
if (memcmp(buf, pattern, PATTERN_LEN / 2) != 0) {
|
|
virFilePrintf(stderr, "Mismatched pattern data iteration %zu\n", i);
|
|
goto cleanup;
|
|
}
|
|
} else {
|
|
if (memcmp(buf, pattern, PATTERN_LEN) != 0) {
|
|
virFilePrintf(stderr, "Mismatched pattern data iteration %zu\n", i);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (VIR_CLOSE(fd) < 0)
|
|
goto cleanup;
|
|
|
|
ret = 0;
|
|
cleanup:
|
|
if (st)
|
|
virStreamFree(st);
|
|
VIR_FORCE_CLOSE(fd);
|
|
if (file != NULL)
|
|
unlink(file);
|
|
if (conn)
|
|
virConnectClose(conn);
|
|
VIR_FREE(file);
|
|
VIR_FREE(pattern);
|
|
VIR_FREE(buf);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int testFDStreamWriteBlock(const void *data)
|
|
{
|
|
return testFDStreamWriteCommon(data, true);
|
|
}
|
|
static int testFDStreamWriteNonblock(const void *data)
|
|
{
|
|
return testFDStreamWriteCommon(data, false);
|
|
}
|
|
|
|
#define SCRATCHDIRTEMPLATE abs_builddir "/fakesysfsdir-XXXXXX"
|
|
|
|
static int
|
|
mymain(void)
|
|
{
|
|
char scratchdir[] = SCRATCHDIRTEMPLATE;
|
|
int ret = 0;
|
|
|
|
if (!mkdtemp(scratchdir)) {
|
|
virFilePrintf(stderr, "Cannot create fakesysfsdir");
|
|
abort();
|
|
}
|
|
|
|
if (virTestRun("Stream read blocking ", testFDStreamReadBlock, scratchdir) < 0)
|
|
ret = -1;
|
|
if (virTestRun("Stream read non-blocking ", testFDStreamReadNonblock, scratchdir) < 0)
|
|
ret = -1;
|
|
if (virTestRun("Stream write blocking ", testFDStreamWriteBlock, scratchdir) < 0)
|
|
ret = -1;
|
|
if (virTestRun("Stream write non-blocking ", testFDStreamWriteNonblock, scratchdir) < 0)
|
|
ret = -1;
|
|
|
|
if (getenv("LIBVIRT_SKIP_CLEANUP") == NULL)
|
|
virFileDeleteTree(scratchdir);
|
|
|
|
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
|
|
}
|
|
|
|
VIRT_TEST_MAIN(mymain)
|