libvirt/tests/virscsitest.c

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/*
* Copyright (C) 2014 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: Osier Yang <jyang@redhat.com>
*
*/
#include <config.h>
#include <stdlib.h>
#include "virscsi.h"
#include "testutils.h"
#include "virlog.h"
#define VIR_FROM_THIS VIR_FROM_NONE
#define VIR_SCSI_DATA "/virscsidata"
VIR_LOG_INIT("tests.scsitest");
static const char *abs_top_srcdir;
static char *virscsi_prefix;
static int
test1(const void *data ATTRIBUTE_UNUSED)
{
char *name = NULL;
int ret = -1;
if (!(name = virSCSIDeviceGetDevName(virscsi_prefix,
"scsi_host1", 0, 0, 0)))
return -1;
if (STRNEQ(name, "sdh"))
goto cleanup;
ret = 0;
cleanup:
VIR_FREE(name);
return ret;
}
/*
* Two test devices are used, one has address "0:0:0:0", the
* other has address "1:0:0:0", see "virscsidata/" for more
* details.
*/
static int
test2(const void *data ATTRIBUTE_UNUSED)
{
virSCSIDeviceListPtr list = NULL;
virSCSIDevicePtr dev = NULL;
virSCSIDevicePtr dev1 = NULL;
bool free_dev = true;
bool free_dev1 = true;
virSCSIDevicePtr tmp = NULL;
char *sgname = NULL;
int ret = -1;
sgname = virSCSIDeviceGetSgName(virscsi_prefix,
"scsi_host1", 0, 0, 0);
if (!sgname || STRNEQ(sgname, "sg8"))
goto cleanup;
if (!(dev = virSCSIDeviceNew(virscsi_prefix, "scsi_host1",
0, 0, 0, false, true)))
goto cleanup;
if (STRNEQ_NULLABLE(virSCSIDeviceGetName(dev), "1:0:0:0") ||
virSCSIDeviceGetAdapter(dev) != 1 ||
virSCSIDeviceGetBus(dev) != 0 ||
virSCSIDeviceGetTarget(dev) != 0 ||
virSCSIDeviceGetUnit(dev) != 0 ||
virSCSIDeviceGetReadonly(dev) ||
!virSCSIDeviceGetShareable(dev))
goto cleanup;
if (!virSCSIDeviceIsAvailable(dev))
goto cleanup;
if (virSCSIDeviceSetUsedBy(dev, "QEMU", "fc18") < 0)
goto cleanup;
if (virSCSIDeviceIsAvailable(dev))
goto cleanup;
if (virSCSIDeviceSetUsedBy(dev, "QEMU", "fc20") < 0)
goto cleanup;
if (virSCSIDeviceIsAvailable(dev))
goto cleanup;
if (!(list = virSCSIDeviceListNew()))
goto cleanup;
if (virSCSIDeviceListAdd(list, dev) < 0)
goto cleanup;
/* virSCSIDeviceListDispose will take care of freeing
* the device.
*/
free_dev = false;
if (!virSCSIDeviceListFind(list, dev))
goto cleanup;
virSCSIDeviceListDel(list, dev, "QEMU", "fc20");
if (!virSCSIDeviceListFind(list, dev))
goto cleanup;
if (virSCSIDeviceIsAvailable(dev))
goto cleanup;
if (virSCSIDeviceListCount(list) != 1)
goto cleanup;
if (!(dev1 = virSCSIDeviceNew(virscsi_prefix, "scsi_host0",
0, 0, 0, true, false)))
goto cleanup;
if (virSCSIDeviceListAdd(list, dev1) < 0)
goto cleanup;
/* virSCSIDeviceListDispose will take care of freeing
* the device.
*/
free_dev1 = false;
if (virSCSIDeviceListCount(list) != 2)
goto cleanup;
if (!(tmp = virSCSIDeviceListSteal(list, dev1)))
goto cleanup;
virSCSIDeviceFree(tmp);
if (virSCSIDeviceListCount(list) != 1)
goto cleanup;
ret = 0;
cleanup:
VIR_FREE(sgname);
if (free_dev)
virSCSIDeviceFree(dev);
if (free_dev1)
virSCSIDeviceFree(dev1);
virObjectUnref(list);
return ret;
}
static int
create_symlink(const char *tmpdir, const char *src_name, const char *dst_name)
{
int ret = -1;
char *src_path = NULL;
char *dst_path = NULL;
if (virAsprintf(&src_path, "%s/%s", virscsi_prefix, src_name) < 0)
goto cleanup;
if (virAsprintf(&dst_path, "%s/%s", tmpdir, dst_name) < 0)
goto cleanup;
if (symlink(src_path, dst_path) < 0) {
VIR_WARN("Failed to create symlink '%s' to '%s'", src_path, dst_path);
goto cleanup;
}
ret = 0;
cleanup:
VIR_FREE(src_path);
VIR_FREE(dst_path);
return ret;
}
static int
mymain(void)
{
int ret = 0;
char *tmpdir = NULL;
char template[] = "/tmp/libvirt_XXXXXX";
abs_top_srcdir = getenv("abs_top_srcdir");
if (!abs_top_srcdir)
abs_top_srcdir = abs_srcdir "/..";
if (virAsprintf(&virscsi_prefix, "%s" VIR_SCSI_DATA, abs_srcdir) < 0) {
ret = -1;
goto cleanup;
}
tmpdir = mkdtemp(template);
if (tmpdir == NULL) {
VIR_WARN("Failed to create temporary directory");
ret = -1;
goto cleanup;
}
#define CREATE_SYMLINK(src_name, dst_name) \
do { \
if (create_symlink(tmpdir, src_name, dst_name) < 0) { \
ret = -1; \
goto cleanup; \
} \
} while (0)
CREATE_SYMLINK("0-0-0-0", "0:0:0:0");
CREATE_SYMLINK("1-0-0-0", "1:0:0:0");
CREATE_SYMLINK("sg0", "sg0");
CREATE_SYMLINK("sg8", "sg8");
VIR_FREE(virscsi_prefix);
if (VIR_STRDUP(virscsi_prefix, tmpdir) < 0) {
ret = -1;
goto cleanup;
}
if (virtTestRun("test1", test1, NULL) < 0)
ret = -1;
if (virtTestRun("test2", test2, NULL) < 0)
ret = -1;
cleanup:
if (tmpdir && getenv("LIBVIRT_SKIP_CLEANUP") == NULL)
virFileDeleteTree(tmpdir);
VIR_FREE(virscsi_prefix);
return ret;
}
VIRT_TEST_MAIN(mymain)