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3b1988f3e3
Add support to format the storage pool capabilities using the virStoragePoolTypeInfoPtr to determine what capabilities exist for the various pools and the driver capabilities to determine whether the pool is compiled in and supported. Signed-off-by: John Ferlan <jferlan@redhat.com> ACKed-by: Michal Privoznik <mprivozn@redhat.com>
136 lines
3.3 KiB
C
136 lines
3.3 KiB
C
/*
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* storage_capabilities.c: storage pool capabilities XML processing
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*
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* Copyright (C) 2019 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include "virerror.h"
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#include "datatypes.h"
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#include "capabilities.h"
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#include "storage_capabilities.h"
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#include "storage_conf.h"
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#include "virlog.h"
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#define VIR_FROM_THIS VIR_FROM_CAPABILITIES
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VIR_LOG_INIT("conf.storage_capabilities");
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static virClassPtr virStoragePoolCapsClass;
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static void
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virStoragePoolCapsDispose(void *obj)
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{
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virStoragePoolCapsPtr caps = obj;
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VIR_DEBUG("obj=%p", caps);
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virObjectUnref(caps->driverCaps);
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}
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static int
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virStoragePoolCapsOnceInit(void)
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{
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if (!VIR_CLASS_NEW(virStoragePoolCaps, virClassForObjectLockable()))
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return -1;
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return 0;
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}
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VIR_ONCE_GLOBAL_INIT(virStoragePoolCaps);
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virStoragePoolCapsPtr
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virStoragePoolCapsNew(virCapsPtr driverCaps)
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{
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virStoragePoolCapsPtr caps = NULL;
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if (virStoragePoolCapsInitialize() < 0)
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return NULL;
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if (!(caps = virObjectLockableNew(virStoragePoolCapsClass)))
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return NULL;
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caps->driverCaps = virObjectRef(driverCaps);
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return caps;
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}
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static bool
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virStoragePoolCapsIsLoaded(virCapsPtr driverCaps,
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int poolType)
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{
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size_t i;
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if (!driverCaps)
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return false;
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for (i = 0; i < driverCaps->npools; i++) {
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if (driverCaps->pools[i]->type == poolType)
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return true;
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}
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return false;
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}
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static int
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virStoragePoolCapsFormatPool(virBufferPtr buf,
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int poolType,
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virStoragePoolCapsPtr const caps)
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{
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bool isLoaded = virStoragePoolCapsIsLoaded(caps->driverCaps, poolType);
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virBufferAsprintf(buf, "<pool type='%s' supported='%s'>\n",
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virStoragePoolTypeToString(poolType),
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isLoaded ? "yes" : "no");
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virBufferAdjustIndent(buf, 2);
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if (virStoragePoolOptionsFormatPool(buf, poolType) < 0)
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return -1;
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if (virStoragePoolOptionsFormatVolume(buf, poolType) < 0)
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return -1;
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virBufferAdjustIndent(buf, -2);
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virBufferAddLit(buf, "</pool>\n");
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return 0;
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}
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char *
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virStoragePoolCapsFormat(virStoragePoolCapsPtr const caps)
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{
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virBuffer buf = VIR_BUFFER_INITIALIZER;
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size_t i;
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virBufferAddLit(&buf, "<storagepoolCapabilities>\n");
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virBufferAdjustIndent(&buf, 2);
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for (i = 0; i < VIR_STORAGE_POOL_LAST; i++) {
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if (virStoragePoolCapsFormatPool(&buf, i, caps) < 0) {
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virBufferFreeAndReset(&buf);
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return NULL;
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}
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}
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virBufferAdjustIndent(&buf, -2);
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virBufferAddLit(&buf, "</storagepoolCapabilities>\n");
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return virBufferContentAndReset(&buf);
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}
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