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Mixing all completers in one file does not support maintainability. Separate those completers which relate to domains (e.g. they complete various domain aspects) into virsh-completer-domain.c. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>
315 lines
8.5 KiB
C
315 lines
8.5 KiB
C
/*
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* virsh-completer-domain.c: virsh completer callbacks related to domains
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*
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* Copyright (C) 2019 Red Hat, 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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#include <config.h>
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#include "virsh-completer-domain.h"
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#include "viralloc.h"
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#include "virmacaddr.h"
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#include "virsh-domain.h"
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#include "virsh-util.h"
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#include "virsh.h"
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#include "virstring.h"
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#include "virxml.h"
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char **
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virshDomainNameCompleter(vshControl *ctl,
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const vshCmd *cmd ATTRIBUTE_UNUSED,
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unsigned int flags)
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{
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virshControlPtr priv = ctl->privData;
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virDomainPtr *domains = NULL;
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int ndomains = 0;
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size_t i = 0;
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char **ret = NULL;
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VIR_AUTOSTRINGLIST tmp = NULL;
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virCheckFlags(VIR_CONNECT_LIST_DOMAINS_ACTIVE |
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VIR_CONNECT_LIST_DOMAINS_INACTIVE |
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VIR_CONNECT_LIST_DOMAINS_OTHER |
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VIR_CONNECT_LIST_DOMAINS_PAUSED |
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VIR_CONNECT_LIST_DOMAINS_PERSISTENT |
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VIR_CONNECT_LIST_DOMAINS_RUNNING |
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VIR_CONNECT_LIST_DOMAINS_SHUTOFF,
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NULL);
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if (!priv->conn || virConnectIsAlive(priv->conn) <= 0)
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return NULL;
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if ((ndomains = virConnectListAllDomains(priv->conn, &domains, flags)) < 0)
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return NULL;
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if (VIR_ALLOC_N(tmp, ndomains + 1) < 0)
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goto cleanup;
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for (i = 0; i < ndomains; i++) {
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const char *name = virDomainGetName(domains[i]);
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if (VIR_STRDUP(tmp[i], name) < 0)
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goto cleanup;
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}
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VIR_STEAL_PTR(ret, tmp);
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cleanup:
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for (i = 0; i < ndomains; i++)
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virshDomainFree(domains[i]);
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VIR_FREE(domains);
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return ret;
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}
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char **
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virshDomainInterfaceCompleter(vshControl *ctl,
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const vshCmd *cmd,
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unsigned int flags)
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{
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virshControlPtr priv = ctl->privData;
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VIR_AUTOPTR(xmlDoc) xmldoc = NULL;
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VIR_AUTOPTR(xmlXPathContext) ctxt = NULL;
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int ninterfaces;
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VIR_AUTOFREE(xmlNodePtr *) interfaces = NULL;
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size_t i;
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unsigned int domainXMLFlags = 0;
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char **ret = NULL;
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VIR_AUTOSTRINGLIST tmp = NULL;
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virCheckFlags(VIRSH_DOMAIN_INTERFACE_COMPLETER_MAC, NULL);
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if (!priv->conn || virConnectIsAlive(priv->conn) <= 0)
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return NULL;
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if (vshCommandOptBool(cmd, "config"))
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domainXMLFlags = VIR_DOMAIN_XML_INACTIVE;
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if (virshDomainGetXML(ctl, cmd, domainXMLFlags, &xmldoc, &ctxt) < 0)
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return NULL;
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ninterfaces = virXPathNodeSet("./devices/interface", ctxt, &interfaces);
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if (ninterfaces < 0)
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return NULL;
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if (VIR_ALLOC_N(tmp, ninterfaces + 1) < 0)
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return NULL;
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for (i = 0; i < ninterfaces; i++) {
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ctxt->node = interfaces[i];
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if (!(flags & VIRSH_DOMAIN_INTERFACE_COMPLETER_MAC) &&
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(tmp[i] = virXPathString("string(./target/@dev)", ctxt)))
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continue;
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/* In case we are dealing with inactive domain XML there's no
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* <target dev=''/>. Offer MAC addresses then. */
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if (!(tmp[i] = virXPathString("string(./mac/@address)", ctxt)))
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return NULL;
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}
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VIR_STEAL_PTR(ret, tmp);
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return ret;
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}
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char **
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virshDomainDiskTargetCompleter(vshControl *ctl,
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const vshCmd *cmd,
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unsigned int flags)
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{
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virshControlPtr priv = ctl->privData;
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VIR_AUTOPTR(xmlDoc) xmldoc = NULL;
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VIR_AUTOPTR(xmlXPathContext) ctxt = NULL;
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VIR_AUTOFREE(xmlNodePtr *) disks = NULL;
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int ndisks;
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size_t i;
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VIR_AUTOSTRINGLIST tmp = NULL;
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char **ret = NULL;
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virCheckFlags(0, NULL);
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if (!priv->conn || virConnectIsAlive(priv->conn) <= 0)
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return NULL;
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if (virshDomainGetXML(ctl, cmd, 0, &xmldoc, &ctxt) < 0)
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return NULL;
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ndisks = virXPathNodeSet("./devices/disk", ctxt, &disks);
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if (ndisks < 0)
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return NULL;
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if (VIR_ALLOC_N(tmp, ndisks + 1) < 0)
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return NULL;
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for (i = 0; i < ndisks; i++) {
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ctxt->node = disks[i];
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if (!(tmp[i] = virXPathString("string(./target/@dev)", ctxt)))
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return NULL;
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}
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VIR_STEAL_PTR(ret, tmp);
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return ret;
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}
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char **
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virshDomainEventNameCompleter(vshControl *ctl ATTRIBUTE_UNUSED,
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const vshCmd *cmd ATTRIBUTE_UNUSED,
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unsigned int flags)
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{
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size_t i = 0;
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char **ret = NULL;
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VIR_AUTOSTRINGLIST tmp = NULL;
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virCheckFlags(0, NULL);
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if (VIR_ALLOC_N(tmp, VIR_DOMAIN_EVENT_ID_LAST + 1) < 0)
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return NULL;
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for (i = 0; i < VIR_DOMAIN_EVENT_ID_LAST; i++) {
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if (VIR_STRDUP(tmp[i], virshDomainEventCallbacks[i].name) < 0)
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return NULL;
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}
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VIR_STEAL_PTR(ret, tmp);
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return ret;
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}
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char **
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virshDomainInterfaceStateCompleter(vshControl *ctl,
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const vshCmd *cmd,
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unsigned int flags)
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{
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virshControlPtr priv = ctl->privData;
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const char *iface = NULL;
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char **ret = NULL;
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VIR_AUTOPTR(xmlDoc) xml = NULL;
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VIR_AUTOPTR(xmlXPathContext) ctxt = NULL;
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virMacAddr macaddr;
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char macstr[VIR_MAC_STRING_BUFLEN] = "";
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int ninterfaces;
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VIR_AUTOFREE(xmlNodePtr *) interfaces = NULL;
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VIR_AUTOFREE(char *) xpath = NULL;
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VIR_AUTOFREE(char *) state = NULL;
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VIR_AUTOSTRINGLIST tmp = NULL;
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virCheckFlags(0, NULL);
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if (!priv->conn || virConnectIsAlive(priv->conn) <= 0)
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return NULL;
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if (virshDomainGetXML(ctl, cmd, flags, &xml, &ctxt) < 0)
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return NULL;
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if (vshCommandOptStringReq(ctl, cmd, "interface", &iface) < 0)
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return NULL;
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/* normalize the mac addr */
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if (virMacAddrParse(iface, &macaddr) == 0)
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virMacAddrFormat(&macaddr, macstr);
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if (virAsprintf(&xpath, "/domain/devices/interface[(mac/@address = '%s') or "
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" (target/@dev = '%s')]",
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macstr, iface) < 0)
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return NULL;
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if ((ninterfaces = virXPathNodeSet(xpath, ctxt, &interfaces)) < 0)
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return NULL;
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if (ninterfaces != 1)
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return NULL;
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ctxt->node = interfaces[0];
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if (VIR_ALLOC_N(tmp, 2) < 0)
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return NULL;
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if ((state = virXPathString("string(./link/@state)", ctxt)) &&
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STREQ(state, "down")) {
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if (VIR_STRDUP(tmp[0], "up") < 0)
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return NULL;
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} else {
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if (VIR_STRDUP(tmp[0], "down") < 0)
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return NULL;
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}
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VIR_STEAL_PTR(ret, tmp);
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return ret;
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}
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char **
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virshDomainDeviceAliasCompleter(vshControl *ctl,
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const vshCmd *cmd,
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unsigned int flags)
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{
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virshControlPtr priv = ctl->privData;
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VIR_AUTOPTR(xmlDoc) xmldoc = NULL;
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VIR_AUTOPTR(xmlXPathContext) ctxt = NULL;
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int naliases;
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VIR_AUTOFREE(xmlNodePtr *) aliases = NULL;
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size_t i;
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unsigned int domainXMLFlags = 0;
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char **ret = NULL;
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VIR_AUTOSTRINGLIST tmp = NULL;
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virCheckFlags(0, NULL);
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if (!priv->conn || virConnectIsAlive(priv->conn) <= 0)
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return NULL;
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if (vshCommandOptBool(cmd, "config"))
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domainXMLFlags = VIR_DOMAIN_XML_INACTIVE;
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if (virshDomainGetXML(ctl, cmd, domainXMLFlags, &xmldoc, &ctxt) < 0)
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return NULL;
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naliases = virXPathNodeSet("./devices//alias/@name", ctxt, &aliases);
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if (naliases < 0)
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return NULL;
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if (VIR_ALLOC_N(tmp, naliases + 1) < 0)
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return NULL;
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for (i = 0; i < naliases; i++) {
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if (!(tmp[i] = virXMLNodeContentString(aliases[i])))
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return NULL;
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}
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VIR_STEAL_PTR(ret, tmp);
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return ret;
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}
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char **
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virshDomainShutdownModeCompleter(vshControl *ctl,
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const vshCmd *cmd,
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unsigned int flags)
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{
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const char *modes[] = {"acpi", "agent", "initctl", "signal", "paravirt", NULL};
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const char *mode = NULL;
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virCheckFlags(0, NULL);
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if (vshCommandOptStringQuiet(ctl, cmd, "mode", &mode) < 0)
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return NULL;
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return virshCommaStringListComplete(mode, modes);
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}
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