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Although there already was an effort (b620bdee
) to replace vshPrint occurrences
with vshPrintExtra due to '--quiet' flag, there were still some leftovers. So
this patch fixes them, hopefully for good.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1356881
Signed-off-by: Erik Skultety <eskultet@redhat.com>
476 lines
12 KiB
C
476 lines
12 KiB
C
/*
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* virsh-nwfilter.c: Commands to manage network filters
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*
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* Copyright (C) 2005, 2007-2016 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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* Daniel Veillard <veillard@redhat.com>
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* Karel Zak <kzak@redhat.com>
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* Daniel P. Berrange <berrange@redhat.com>
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*
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*/
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#include <config.h>
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#include "virsh-nwfilter.h"
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#include "internal.h"
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#include "virbuffer.h"
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#include "viralloc.h"
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#include "virfile.h"
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#include "virutil.h"
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virNWFilterPtr
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virshCommandOptNWFilterBy(vshControl *ctl, const vshCmd *cmd,
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const char **name, unsigned int flags)
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{
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virNWFilterPtr nwfilter = NULL;
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const char *n = NULL;
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const char *optname = "nwfilter";
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virshControlPtr priv = ctl->privData;
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virCheckFlags(VIRSH_BYUUID | VIRSH_BYNAME, NULL);
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if (vshCommandOptStringReq(ctl, cmd, optname, &n) < 0)
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return NULL;
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vshDebug(ctl, VSH_ERR_INFO, "%s: found option <%s>: %s\n",
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cmd->def->name, optname, n);
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if (name)
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*name = n;
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/* try it by UUID */
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if ((flags & VIRSH_BYUUID) && strlen(n) == VIR_UUID_STRING_BUFLEN-1) {
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vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as nwfilter UUID\n",
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cmd->def->name, optname);
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nwfilter = virNWFilterLookupByUUIDString(priv->conn, n);
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}
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/* try it by NAME */
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if (!nwfilter && (flags & VIRSH_BYNAME)) {
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vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as nwfilter NAME\n",
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cmd->def->name, optname);
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nwfilter = virNWFilterLookupByName(priv->conn, n);
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}
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if (!nwfilter)
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vshError(ctl, _("failed to get nwfilter '%s'"), n);
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return nwfilter;
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}
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/*
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* "nwfilter-define" command
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*/
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static const vshCmdInfo info_nwfilter_define[] = {
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{.name = "help",
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.data = N_("define or update a network filter from an XML file")
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},
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{.name = "desc",
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.data = N_("Define a new network filter or update an existing one.")
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},
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{.name = NULL}
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};
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static const vshCmdOptDef opts_nwfilter_define[] = {
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VIRSH_COMMON_OPT_FILE(N_("file containing an XML network "
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"filter description")),
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{.name = NULL}
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};
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static bool
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cmdNWFilterDefine(vshControl *ctl, const vshCmd *cmd)
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{
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virNWFilterPtr nwfilter;
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const char *from = NULL;
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bool ret = true;
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char *buffer;
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virshControlPtr priv = ctl->privData;
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if (vshCommandOptStringReq(ctl, cmd, "file", &from) < 0)
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return false;
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if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0)
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return false;
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nwfilter = virNWFilterDefineXML(priv->conn, buffer);
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VIR_FREE(buffer);
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if (nwfilter != NULL) {
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vshPrintExtra(ctl, _("Network filter %s defined from %s\n"),
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virNWFilterGetName(nwfilter), from);
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virNWFilterFree(nwfilter);
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} else {
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vshError(ctl, _("Failed to define network filter from %s"), from);
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ret = false;
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}
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return ret;
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}
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/*
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* "nwfilter-undefine" command
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*/
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static const vshCmdInfo info_nwfilter_undefine[] = {
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{.name = "help",
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.data = N_("undefine a network filter")
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},
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{.name = "desc",
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.data = N_("Undefine a given network filter.")
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},
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{.name = NULL}
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};
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static const vshCmdOptDef opts_nwfilter_undefine[] = {
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{.name = "nwfilter",
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.type = VSH_OT_DATA,
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.flags = VSH_OFLAG_REQ,
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.help = N_("network filter name or uuid")
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},
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{.name = NULL}
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};
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static bool
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cmdNWFilterUndefine(vshControl *ctl, const vshCmd *cmd)
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{
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virNWFilterPtr nwfilter;
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bool ret = true;
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const char *name;
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if (!(nwfilter = virshCommandOptNWFilter(ctl, cmd, &name)))
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return false;
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if (virNWFilterUndefine(nwfilter) == 0) {
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vshPrintExtra(ctl, _("Network filter %s undefined\n"), name);
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} else {
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vshError(ctl, _("Failed to undefine network filter %s"), name);
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ret = false;
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}
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virNWFilterFree(nwfilter);
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return ret;
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}
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/*
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* "nwfilter-dumpxml" command
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*/
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static const vshCmdInfo info_nwfilter_dumpxml[] = {
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{.name = "help",
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.data = N_("network filter information in XML")
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},
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{.name = "desc",
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.data = N_("Output the network filter information as an XML dump to stdout.")
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},
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{.name = NULL}
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};
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static const vshCmdOptDef opts_nwfilter_dumpxml[] = {
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{.name = "nwfilter",
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.type = VSH_OT_DATA,
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.flags = VSH_OFLAG_REQ,
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.help = N_("network filter name or uuid")
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},
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{.name = NULL}
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};
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static bool
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cmdNWFilterDumpXML(vshControl *ctl, const vshCmd *cmd)
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{
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virNWFilterPtr nwfilter;
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bool ret = true;
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char *dump;
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if (!(nwfilter = virshCommandOptNWFilter(ctl, cmd, NULL)))
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return false;
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dump = virNWFilterGetXMLDesc(nwfilter, 0);
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if (dump != NULL) {
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vshPrint(ctl, "%s", dump);
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VIR_FREE(dump);
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} else {
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ret = false;
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}
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virNWFilterFree(nwfilter);
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return ret;
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}
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static int
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virshNWFilterSorter(const void *a, const void *b)
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{
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virNWFilterPtr *fa = (virNWFilterPtr *) a;
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virNWFilterPtr *fb = (virNWFilterPtr *) b;
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if (*fa && !*fb)
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return -1;
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if (!*fa)
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return *fb != NULL;
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return vshStrcasecmp(virNWFilterGetName(*fa),
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virNWFilterGetName(*fb));
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}
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struct virshNWFilterList {
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virNWFilterPtr *filters;
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size_t nfilters;
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};
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typedef struct virshNWFilterList *virshNWFilterListPtr;
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static void
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virshNWFilterListFree(virshNWFilterListPtr list)
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{
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size_t i;
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if (list && list->filters) {
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for (i = 0; i < list->nfilters; i++) {
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if (list->filters[i])
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virNWFilterFree(list->filters[i]);
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}
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VIR_FREE(list->filters);
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}
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VIR_FREE(list);
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}
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static virshNWFilterListPtr
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virshNWFilterListCollect(vshControl *ctl,
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unsigned int flags)
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{
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virshNWFilterListPtr list = vshMalloc(ctl, sizeof(*list));
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size_t i;
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int ret;
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virNWFilterPtr filter;
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bool success = false;
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size_t deleted = 0;
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int nfilters = 0;
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char **names = NULL;
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virshControlPtr priv = ctl->privData;
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/* try the list with flags support (0.10.2 and later) */
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if ((ret = virConnectListAllNWFilters(priv->conn,
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&list->filters,
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flags)) >= 0) {
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list->nfilters = ret;
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goto finished;
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}
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/* check if the command is actually supported */
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if (last_error && last_error->code == VIR_ERR_NO_SUPPORT) {
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vshResetLibvirtError();
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goto fallback;
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}
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/* there was an error during the call */
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vshError(ctl, "%s", _("Failed to list node filters"));
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goto cleanup;
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fallback:
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/* fall back to old method (0.9.13 and older) */
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vshResetLibvirtError();
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nfilters = virConnectNumOfNWFilters(priv->conn);
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if (nfilters < 0) {
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vshError(ctl, "%s", _("Failed to count network filters"));
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goto cleanup;
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}
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if (nfilters == 0)
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return list;
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names = vshMalloc(ctl, sizeof(char *) * nfilters);
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nfilters = virConnectListNWFilters(priv->conn, names, nfilters);
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if (nfilters < 0) {
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vshError(ctl, "%s", _("Failed to list network filters"));
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goto cleanup;
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}
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list->filters = vshMalloc(ctl, sizeof(virNWFilterPtr) * nfilters);
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list->nfilters = 0;
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/* get the network filters */
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for (i = 0; i < nfilters; i++) {
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if (!(filter = virNWFilterLookupByName(priv->conn, names[i])))
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continue;
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list->filters[list->nfilters++] = filter;
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}
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/* truncate network filters that weren't found */
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deleted = nfilters - list->nfilters;
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finished:
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/* sort the list */
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if (list->filters && list->nfilters)
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qsort(list->filters, list->nfilters,
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sizeof(*list->filters), virshNWFilterSorter);
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/* truncate the list for not found filter objects */
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if (deleted)
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VIR_SHRINK_N(list->filters, list->nfilters, deleted);
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success = true;
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cleanup:
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for (i = 0; nfilters != -1 && i < nfilters; i++)
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VIR_FREE(names[i]);
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VIR_FREE(names);
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if (!success) {
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virshNWFilterListFree(list);
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list = NULL;
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}
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return list;
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}
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/*
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* "nwfilter-list" command
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*/
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static const vshCmdInfo info_nwfilter_list[] = {
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{.name = "help",
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.data = N_("list network filters")
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},
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{.name = "desc",
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.data = N_("Returns list of network filters.")
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},
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{.name = NULL}
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};
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static const vshCmdOptDef opts_nwfilter_list[] = {
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{.name = NULL}
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};
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static bool
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cmdNWFilterList(vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED)
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{
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size_t i;
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char uuid[VIR_UUID_STRING_BUFLEN];
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virshNWFilterListPtr list = NULL;
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if (!(list = virshNWFilterListCollect(ctl, 0)))
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return false;
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vshPrintExtra(ctl, " %-36s %-20s \n", _("UUID"), _("Name"));
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vshPrintExtra(ctl, "---------------------------------"
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"---------------------------------\n");
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for (i = 0; i < list->nfilters; i++) {
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virNWFilterPtr nwfilter = list->filters[i];
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virNWFilterGetUUIDString(nwfilter, uuid);
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vshPrint(ctl, " %-36s %-20s\n",
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uuid,
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virNWFilterGetName(nwfilter));
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}
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virshNWFilterListFree(list);
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return true;
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}
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/*
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* "nwfilter-edit" command
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*/
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static const vshCmdInfo info_nwfilter_edit[] = {
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{.name = "help",
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.data = N_("edit XML configuration for a network filter")
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},
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{.name = "desc",
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.data = N_("Edit the XML configuration for a network filter.")
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},
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{.name = NULL}
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};
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static const vshCmdOptDef opts_nwfilter_edit[] = {
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{.name = "nwfilter",
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.type = VSH_OT_DATA,
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.flags = VSH_OFLAG_REQ,
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.help = N_("network filter name or uuid")
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},
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{.name = NULL}
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};
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static bool
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cmdNWFilterEdit(vshControl *ctl, const vshCmd *cmd)
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{
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bool ret = false;
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virNWFilterPtr nwfilter = NULL;
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virNWFilterPtr nwfilter_edited = NULL;
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virshControlPtr priv = ctl->privData;
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nwfilter = virshCommandOptNWFilter(ctl, cmd, NULL);
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if (nwfilter == NULL)
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goto cleanup;
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#define EDIT_GET_XML virNWFilterGetXMLDesc(nwfilter, 0)
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#define EDIT_NOT_CHANGED \
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do { \
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vshPrintExtra(ctl, _("Network filter %s XML " \
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"configuration not changed.\n"), \
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virNWFilterGetName(nwfilter)); \
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ret = true; \
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goto edit_cleanup; \
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} while (0)
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#define EDIT_DEFINE \
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(nwfilter_edited = virNWFilterDefineXML(priv->conn, doc_edited))
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#include "virsh-edit.c"
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vshPrintExtra(ctl, _("Network filter %s XML configuration edited.\n"),
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virNWFilterGetName(nwfilter_edited));
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ret = true;
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cleanup:
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if (nwfilter)
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virNWFilterFree(nwfilter);
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if (nwfilter_edited)
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virNWFilterFree(nwfilter_edited);
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return ret;
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}
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const vshCmdDef nwfilterCmds[] = {
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{.name = "nwfilter-define",
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.handler = cmdNWFilterDefine,
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.opts = opts_nwfilter_define,
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.info = info_nwfilter_define,
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.flags = 0
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},
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{.name = "nwfilter-dumpxml",
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.handler = cmdNWFilterDumpXML,
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.opts = opts_nwfilter_dumpxml,
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.info = info_nwfilter_dumpxml,
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.flags = 0
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},
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{.name = "nwfilter-edit",
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.handler = cmdNWFilterEdit,
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.opts = opts_nwfilter_edit,
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.info = info_nwfilter_edit,
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.flags = 0
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},
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{.name = "nwfilter-list",
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.handler = cmdNWFilterList,
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.opts = opts_nwfilter_list,
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.info = info_nwfilter_list,
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.flags = 0
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},
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{.name = "nwfilter-undefine",
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.handler = cmdNWFilterUndefine,
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.opts = opts_nwfilter_undefine,
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.info = info_nwfilter_undefine,
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.flags = 0
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},
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{.name = NULL}
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};
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