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c8a637c7d0
In virsh we quite often get the domain XML just to initialize the XPath parser so that we can extract information. Add helpers which will simplify this by wrapping the getting of the XML and parsing it along with error reporting. Additionally a second helper also gets the domain object from the parameters and releases it so that functions which need the XML as only source of data can be simplified further.
79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/*
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* virsh-util.h: helpers for virsh
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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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#ifndef VIRSH_UTIL_H
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# define VIRSH_UTIL_H
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# include "virsh.h"
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# include <libxml/parser.h>
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# include <libxml/xpath.h>
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virDomainPtr
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virshLookupDomainBy(vshControl *ctl,
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const char *name,
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unsigned int flags);
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virDomainPtr
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virshCommandOptDomainBy(vshControl *ctl,
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const vshCmd *cmd,
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const char **name,
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unsigned int flags);
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virDomainPtr
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virshCommandOptDomain(vshControl *ctl,
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const vshCmd *cmd,
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const char **name);
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void
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virshDomainFree(virDomainPtr dom);
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void
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virshDomainSnapshotFree(virDomainSnapshotPtr snap);
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int
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virshDomainState(vshControl *ctl,
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virDomainPtr dom,
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int *reason);
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int
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virshStreamSink(virStreamPtr st,
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const char *bytes,
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size_t nbytes,
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void *opaque);
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int
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virshDomainGetXMLFromDom(vshControl *ctl,
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virDomainPtr dom,
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unsigned int flags,
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xmlDocPtr *xml,
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xmlXPathContextPtr *ctxt)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(4)
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ATTRIBUTE_NONNULL(5) ATTRIBUTE_RETURN_CHECK;
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int
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virshDomainGetXML(vshControl *ctl,
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const vshCmd *cmd,
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unsigned int flags,
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xmlDocPtr *xml,
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xmlXPathContextPtr *ctxt)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(4)
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ATTRIBUTE_NONNULL(5) ATTRIBUTE_RETURN_CHECK;
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#endif /* VIRSH_UTIL_H */
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