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110 lines
2.5 KiB
C
110 lines
2.5 KiB
C
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/*
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* parallels_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 "command.h"
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#include "virterror_internal.h"
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#include "memory.h"
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#include "json.h"
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#include "parallels_utils.h"
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#define VIR_FROM_THIS VIR_FROM_PARALLELS
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static int
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parallelsDoCmdRun(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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char *scmd = NULL;
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int ret = -1;
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if (outbuf)
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virCommandSetOutputBuffer(cmd, outbuf);
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scmd = virCommandToString(cmd);
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if (!scmd)
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goto cleanup;
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if (virCommandRun(cmd, NULL))
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goto cleanup;
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ret = 0;
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cleanup:
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VIR_FREE(scmd);
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virCommandFree(cmd);
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if (ret)
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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 parse its JSON output, return
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* pointer to virJSONValue or NULL in case of error.
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*/
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virJSONValuePtr
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parallelsParseOutput(const char *binary, ...)
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{
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char *outbuf;
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virJSONValuePtr jobj = NULL;
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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 = parallelsDoCmdRun(&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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jobj = virJSONValueFromString(outbuf);
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if (!jobj)
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virReportError(VIR_ERR_INTERNAL_ERROR,
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_("invalid output from prlctl: %s"), outbuf);
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VIR_FREE(outbuf);
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return jobj;
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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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parallelsGetOutput(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 = parallelsDoCmdRun(&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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