Re: [PATCH 2/8] parallels: add functions to list domains and get info

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On Thu, Jul 26, 2012 at 10:32:01PM +0400, Dmitry Guryanov wrote:

> +static virDomainObjPtr
> +parallelsLoadDomain(parallelsConnPtr privconn, virJSONValuePtr jobj)
> +{


> +    if (!(def->os.type = strdup("hvm")))
> +        goto no_memory;
> +
> +    if (!(def->os.arch = strdup(PARALLELS_DEFAULT_ARCH)))
> +        goto no_memory;

How you answer my question in the previous patch, might impact what
you need todo here.

> +static char *
> +parallelsGetOSType(virDomainPtr domain)
> +{
> +    parallelsConnPtr privconn = domain->conn->privateData;
> +    virDomainObjPtr privdom;
> +    parallelsDomObjPtr pdom;
> +
> +    char *ret = NULL;
> +
> +    parallelsDriverLock(privconn);
> +    privdom = virDomainFindByUUID(&privconn->domains, domain->uuid);
> +    if (privdom == NULL) {
> +        parallelsDomNotFoundError(domain);
> +        goto cleanup;
> +    }
> +
> +    pdom = privdom->privateData;
> +
> +    if (!(ret = strdup(pdom->os)))
> +        virReportOOMError();

What sort of value is 'pdom->os' holding.  The name of this particular
libvirt method is somewhat misleading and does *not* in fact refer
to the guest operating system name. It is actually just wanting the
value from def->os.type, which is 'hvm' or 'exe' etc

> diff --git a/src/parallels/parallels_utils.c b/src/parallels/parallels_utils.c
> new file mode 100644
> index 0000000..102ccfc
> --- /dev/null
> +++ b/src/parallels/parallels_utils.c
> @@ -0,0 +1,92 @@
> +/*
> + * parallels_utils.c: core driver functions for managing
> + * Parallels Virtuozzo Server hosts
> + *
> + * Copyright (C) 2012 Parallels, 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, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
> + *
> + */
> +
> +#include <config.h>
> +
> +#include <stdarg.h>
> +
> +#include "command.h"
> +#include "virterror_internal.h"
> +#include "memory.h"
> +#include "json.h"
> +
> +#include "parallels_utils.h"
> +
> +#define VIR_FROM_THIS VIR_FROM_PARALLELS
> +
> +static int
> +parallelsDoCmdRun(char **outbuf, const char *binary, va_list list)
> +{
> +    virCommandPtr cmd = virCommandNew(binary);
> +    const char *arg;
> +    char *scmd = NULL;
> +    int ret = -1;
> +
> +    while ((arg = va_arg(list, const char *)) != NULL)
> +        virCommandAddArg(cmd, arg);

I'd actually be happy for you to add a 'virCommandNewVAList' API
to src/util/command.{c,h} to contain this code, since we already
have one that takes '...' args


Regards,
Daniel
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