libvirt/tools/virsh-completer-host.c
Michal Privoznik 3970753613 tools: Separate host related completers into a file
Mixing all completers in one file does not support
maintainability. Separate those completers which relate to
host (e.g. they complete various host aspects)
into virsh-completer-host.c

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>
2019-08-09 09:17:44 +02:00

149 lines
4.2 KiB
C

/*
* virsh-completer-host.c: virsh completer callbacks related to host
*
* 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-host.h"
#include "viralloc.h"
#include "virsh.h"
#include "virstring.h"
#include "virxml.h"
#include "virutil.h"
static char *
virshPagesizeNodeToString(xmlNodePtr node)
{
VIR_AUTOFREE(char *) pagesize = NULL;
VIR_AUTOFREE(char *) unit = NULL;
unsigned long long byteval = 0;
const char *suffix = NULL;
double size = 0;
char *ret;
pagesize = virXMLPropString(node, "size");
unit = virXMLPropString(node, "unit");
if (virStrToLong_ull(pagesize, NULL, 10, &byteval) < 0)
return NULL;
if (virScaleInteger(&byteval, unit, 1024, UINT_MAX) < 0)
return NULL;
size = vshPrettyCapacity(byteval, &suffix);
if (virAsprintf(&ret, "%.0f%s", size, suffix) < 0)
return NULL;
return ret;
}
char **
virshAllocpagesPagesizeCompleter(vshControl *ctl,
const vshCmd *cmd ATTRIBUTE_UNUSED,
unsigned int flags)
{
VIR_AUTOPTR(xmlXPathContext) ctxt = NULL;
virshControlPtr priv = ctl->privData;
unsigned int npages = 0;
VIR_AUTOFREE(xmlNodePtr *) pages = NULL;
VIR_AUTOPTR(xmlDoc) doc = NULL;
size_t i = 0;
const char *cellnum = NULL;
bool cellno = vshCommandOptBool(cmd, "cellno");
VIR_AUTOFREE(char *) path = NULL;
VIR_AUTOFREE(char *) cap_xml = NULL;
char **ret = NULL;
VIR_AUTOSTRINGLIST tmp = NULL;
virCheckFlags(0, NULL);
if (!priv->conn || virConnectIsAlive(priv->conn) <= 0)
return NULL;
if (!(cap_xml = virConnectGetCapabilities(priv->conn)))
return NULL;
if (!(doc = virXMLParseStringCtxt(cap_xml, _("capabilities"), &ctxt)))
return NULL;
if (cellno && vshCommandOptStringQuiet(ctl, cmd, "cellno", &cellnum) > 0) {
if (virAsprintf(&path,
"/capabilities/host/topology/cells/cell[@id=\"%s\"]/pages",
cellnum) < 0)
return NULL;
} else {
if (virAsprintf(&path, "/capabilities/host/cpu/pages") < 0)
return NULL;
}
npages = virXPathNodeSet(path, ctxt, &pages);
if (npages <= 0)
return NULL;
if (VIR_ALLOC_N(tmp, npages + 1) < 0)
return NULL;
for (i = 0; i < npages; i++) {
if (!(tmp[i] = virshPagesizeNodeToString(pages[i])))
return NULL;
}
VIR_STEAL_PTR(ret, tmp);
return ret;
}
char **
virshCellnoCompleter(vshControl *ctl,
const vshCmd *cmd ATTRIBUTE_UNUSED,
unsigned int flags)
{
VIR_AUTOPTR(xmlXPathContext) ctxt = NULL;
virshControlPtr priv = ctl->privData;
unsigned int ncells = 0;
VIR_AUTOFREE(xmlNodePtr *) cells = NULL;
VIR_AUTOPTR(xmlDoc) doc = NULL;
size_t i = 0;
VIR_AUTOFREE(char *) cap_xml = NULL;
char **ret = NULL;
VIR_AUTOSTRINGLIST tmp = NULL;
virCheckFlags(0, NULL);
if (!priv->conn || virConnectIsAlive(priv->conn) <= 0)
return NULL;
if (!(cap_xml = virConnectGetCapabilities(priv->conn)))
return NULL;
if (!(doc = virXMLParseStringCtxt(cap_xml, _("capabilities"), &ctxt)))
return NULL;
ncells = virXPathNodeSet("/capabilities/host/topology/cells/cell", ctxt, &cells);
if (ncells <= 0)
return NULL;
if (VIR_ALLOC_N(tmp, ncells + 1))
return NULL;
for (i = 0; i < ncells; i++) {
if (!(tmp[i] = virXMLPropString(cells[i], "id")))
return NULL;
}
VIR_STEAL_PTR(ret, tmp);
return ret;
}