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04a39574a8
Remove unused definitions, functions and structure fields. Signed-off-by: Maxim Nestratov <mnestratov@virtuozzo.com>
137 lines
3.4 KiB
C
137 lines
3.4 KiB
C
/*
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* vz_utils.c: core driver functions for managing
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* Parallels Cloud Server hosts
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*
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* Copyright (C) 2012 Parallels, 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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*/
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#include <config.h>
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#include <stdarg.h>
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#include "vircommand.h"
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#include "virerror.h"
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#include "viralloc.h"
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#include "virjson.h"
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#include "vz_utils.h"
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#include "virstring.h"
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#include "datatypes.h"
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#define VIR_FROM_THIS VIR_FROM_PARALLELS
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/**
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* vzDomObjFromDomain:
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* @domain: Domain pointer that has to be looked up
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*
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* This function looks up @domain and returns the appropriate virDomainObjPtr
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* that has to be unlocked by virObjectUnlock().
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*
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* Returns the domain object without incremented reference counter which is locked
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* on success, NULL otherwise.
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*/
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virDomainObjPtr
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vzDomObjFromDomain(virDomainPtr domain)
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{
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virDomainObjPtr vm;
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vzConnPtr privconn = domain->conn->privateData;
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char uuidstr[VIR_UUID_STRING_BUFLEN];
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vm = virDomainObjListFindByUUID(privconn->domains, domain->uuid);
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if (!vm) {
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virUUIDFormat(domain->uuid, uuidstr);
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virReportError(VIR_ERR_NO_DOMAIN,
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_("no domain with matching uuid '%s' (%s)"),
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uuidstr, domain->name);
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return NULL;
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}
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return vm;
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}
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/**
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* vzDomObjFromDomainRef:
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* @domain: Domain pointer that has to be looked up
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*
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* This function looks up @domain and returns the appropriate virDomainObjPtr
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* that has to be released by calling virDomainObjEndAPI().
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*
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* Returns the domain object with incremented reference counter which is locked
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* on success, NULL otherwise.
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*/
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virDomainObjPtr
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vzDomObjFromDomainRef(virDomainPtr domain)
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{
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virDomainObjPtr vm;
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vzConnPtr privconn = domain->conn->privateData;
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char uuidstr[VIR_UUID_STRING_BUFLEN];
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vm = virDomainObjListFindByUUIDRef(privconn->domains, domain->uuid);
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if (!vm) {
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virUUIDFormat(domain->uuid, uuidstr);
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virReportError(VIR_ERR_NO_DOMAIN,
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_("no domain with matching uuid '%s' (%s)"),
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uuidstr, domain->name);
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return NULL;
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}
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return vm;
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}
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static int
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vzDoCmdRun(char **outbuf, const char *binary, va_list list)
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{
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virCommandPtr cmd = virCommandNewVAList(binary, list);
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int ret = -1;
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if (outbuf)
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virCommandSetOutputBuffer(cmd, outbuf);
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if (virCommandRun(cmd, NULL) < 0)
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goto cleanup;
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ret = 0;
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cleanup:
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virCommandFree(cmd);
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if (ret && outbuf)
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VIR_FREE(*outbuf);
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return ret;
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}
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/*
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* Run command and return its output, pointer to
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* buffer or NULL in case of error. Caller os responsible
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* for freeing the buffer.
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*/
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char *
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vzGetOutput(const char *binary, ...)
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{
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char *outbuf;
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va_list list;
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int ret;
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va_start(list, binary);
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ret = vzDoCmdRun(&outbuf, binary, list);
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va_end(list);
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if (ret)
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return NULL;
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return outbuf;
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}
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