libvirt/tools/virsh-completer-interface.c

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/*
* virsh-completer-interface.c: virsh completer callbacks related to interfaces
*
* Copyright (C) 2019 Red Hat, 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, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "virsh-completer-interface.h"
#include "viralloc.h"
#include "virsh.h"
#include "virstring.h"
typedef const char *
(*virInterfaceStringCallback)(virInterfacePtr iface);
static char **
virshInterfaceStringHelper(vshControl *ctl,
const vshCmd *cmd G_GNUC_UNUSED,
unsigned int flags,
virInterfaceStringCallback cb)
{
virshControl *priv = ctl->privData;
virInterfacePtr *ifaces = NULL;
int nifaces = 0;
size_t i = 0;
g_auto(GStrv) tmp = NULL;
virCheckFlags(VIR_CONNECT_LIST_INTERFACES_ACTIVE |
VIR_CONNECT_LIST_INTERFACES_INACTIVE,
NULL);
if (!priv->conn || virConnectIsAlive(priv->conn) <= 0)
return NULL;
if ((nifaces = virConnectListAllInterfaces(priv->conn, &ifaces, flags)) < 0)
return NULL;
tmp = g_new0(char *, nifaces + 1);
for (i = 0; i < nifaces; i++) {
const char *name = (cb)(ifaces[i]);
tmp[i] = g_strdup(name);
}
for (i = 0; i < nifaces; i++)
virInterfaceFree(ifaces[i]);
g_free(ifaces);
return g_steal_pointer(&tmp);
}
char **
virshInterfaceNameCompleter(vshControl *ctl,
const vshCmd *cmd,
unsigned int flags)
{
return virshInterfaceStringHelper(ctl, cmd, flags, virInterfaceGetName);
}
char **
virshInterfaceMacCompleter(vshControl *ctl,
const vshCmd *cmd,
unsigned int flags)
{
return virshInterfaceStringHelper(ctl, cmd, flags,
virInterfaceGetMACString);
}