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domiftune: Enable the virDomain{S,G}etInterfaceParameters in virsh
Add a new command domiftune to get/set interface parameters. * tools/virsh.c: implement the new command * tools/virsh.pod: documentation of the new command
This commit is contained in:
parent
e8d6b293d8
commit
b2310b2913
198
tools/virsh.c
198
tools/virsh.c
@ -427,6 +427,8 @@ static void *_vshCalloc(vshControl *ctl, size_t nmemb, size_t sz, const char *fi
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static char *_vshStrdup(vshControl *ctl, const char *s, const char *filename, int line);
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static char *_vshStrdup(vshControl *ctl, const char *s, const char *filename, int line);
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#define vshStrdup(_ctl, _s) _vshStrdup(_ctl, _s, __FILE__, __LINE__)
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#define vshStrdup(_ctl, _s) _vshStrdup(_ctl, _s, __FILE__, __LINE__)
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static int parseRateStr(const char *rateStr, virNetDevBandwidthRatePtr rate);
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static void *
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static void *
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_vshMalloc(vshControl *ctl, size_t size, const char *filename, int line)
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_vshMalloc(vshControl *ctl, size_t size, const char *filename, int line)
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{
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{
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@ -1601,6 +1603,201 @@ cleanup:
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return ret;
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return ret;
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}
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}
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/* "domiftune" command
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*/
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static const vshCmdInfo info_domiftune[] = {
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{"help", N_("get/set parameters of a virtual interface")},
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{"desc", N_("Get/set parameters of a domain's virtual interface.")},
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{NULL,NULL}
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};
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static const vshCmdOptDef opts_domiftune[] = {
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{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, N_("domain name, id or uuid")},
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{"interface", VSH_OT_DATA, VSH_OFLAG_REQ, N_("interface device")},
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{"inbound", VSH_OT_DATA, VSH_OFLAG_NONE, N_("control domain's incoming traffics")},
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{"outbound", VSH_OT_DATA, VSH_OFLAG_NONE, N_("control domain's outgoing traffics")},
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{"config", VSH_OT_BOOL, VSH_OFLAG_NONE, N_("affect next boot")},
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{"live", VSH_OT_BOOL, VSH_OFLAG_NONE, N_("affect running domain")},
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{"current", VSH_OT_BOOL, VSH_OFLAG_NONE, N_("affect current domain")},
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{NULL, 0, 0, NULL}
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};
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static bool
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cmdDomIftune(vshControl *ctl, const vshCmd *cmd)
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{
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virDomainPtr dom;
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const char *name = NULL, *device = NULL,
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*inboundStr = NULL, *outboundStr = NULL;
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unsigned int flags = 0;
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int nparams = 0;
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virTypedParameterPtr params = NULL;
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bool ret = false;
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int current = vshCommandOptBool(cmd, "current");
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int config = vshCommandOptBool(cmd, "config");
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int live = vshCommandOptBool(cmd, "live");
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virNetDevBandwidthRate inbound, outbound;
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int i;
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if (current) {
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if (live || config) {
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vshError(ctl, "%s", _("--current must be specified exclusively"));
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return false;
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}
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flags = VIR_DOMAIN_AFFECT_CURRENT;
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} else {
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if (config)
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flags |= VIR_DOMAIN_AFFECT_CONFIG;
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if (live)
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flags |= VIR_DOMAIN_AFFECT_LIVE;
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}
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if (!vshConnectionUsability(ctl, ctl->conn))
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return false;
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if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
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return false;
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if (vshCommandOptString(cmd, "interface", &device) <= 0) {
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virDomainFree(dom);
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return false;
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}
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if (vshCommandOptString(cmd, "inbound", &inboundStr) < 0 ||
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vshCommandOptString(cmd, "outbound", &outboundStr) < 0) {
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vshError(ctl, "missing argument");
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goto cleanup;
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}
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memset(&inbound, 0, sizeof(inbound));
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memset(&outbound, 0, sizeof(outbound));
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if (inboundStr) {
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if (parseRateStr(inboundStr, &inbound) < 0) {
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vshError(ctl, _("inbound format is incorrect"));
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goto cleanup;
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}
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if (inbound.average == 0) {
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vshError(ctl, _("inbound average is mandatory"));
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goto cleanup;
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}
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nparams++; /* average */
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if (inbound.peak) nparams++;
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if (inbound.burst) nparams++;
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}
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if (outboundStr) {
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if (parseRateStr(outboundStr, &outbound) < 0) {
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vshError(ctl, _("outbound format is incorrect"));
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goto cleanup;
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}
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if (outbound.average == 0) {
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vshError(ctl, _("outbound average is mandatory"));
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goto cleanup;
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}
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nparams++; /* average */
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if (outbound.peak) nparams++;
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if (outbound.burst) nparams++;
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}
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if (nparams == 0) {
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/* get the number of interface parameters */
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if (virDomainGetInterfaceParameters(dom, device, NULL, &nparams, flags) != 0) {
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vshError(ctl, "%s",
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_("Unable to get number of interface parameters"));
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goto cleanup;
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}
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if (nparams == 0) {
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/* nothing to output */
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ret = true;
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goto cleanup;
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}
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/* get all interface parameters */
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params = vshCalloc(ctl, nparams, sizeof(*params));
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if (!params) {
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virReportOOMError();
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goto cleanup;
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}
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if (virDomainGetInterfaceParameters(dom, device, params, &nparams, flags) != 0) {
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vshError(ctl, "%s", _("Unable to get interface parameters"));
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goto cleanup;
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}
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for (i = 0; i < nparams; i++) {
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char *str = vshGetTypedParamValue(ctl, ¶ms[i]);
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vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
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VIR_FREE(str);
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}
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} else {
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/* set the interface parameters */
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params = vshCalloc(ctl, nparams, sizeof(*params));
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if (!params) {
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virReportOOMError();
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goto cleanup;
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}
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for (i = 0; i < nparams; i++)
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params[i].type = VIR_TYPED_PARAM_UINT;
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i = 0;
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if (inbound.average && i < nparams) {
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if (!virStrcpy(params[i].field, VIR_DOMAIN_BANDWIDTH_IN_AVERAGE,
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sizeof(params[i].field)))
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goto cleanup;
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params[i].value.ui = inbound.average;
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i++;
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}
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if (inbound.peak && i < nparams) {
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if (!virStrcpy(params[i].field, VIR_DOMAIN_BANDWIDTH_IN_PEAK,
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sizeof(params[i].field)))
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goto cleanup;
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params[i].value.ui = inbound.peak;
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i++;
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}
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if (inbound.burst && i < nparams) {
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if (!virStrcpy(params[i].field, VIR_DOMAIN_BANDWIDTH_IN_BURST,
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sizeof(params[i].field)))
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goto cleanup;
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params[i].value.ui = inbound.burst;
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i++;
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}
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if (outbound.average && i < nparams) {
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if (!virStrcpy(params[i].field, VIR_DOMAIN_BANDWIDTH_OUT_AVERAGE,
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sizeof(params[i].field)))
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goto cleanup;
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params[i].value.ui = outbound.average;
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i++;
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}
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if (outbound.peak && i < nparams) {
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if (!virStrcpy(params[i].field, VIR_DOMAIN_BANDWIDTH_OUT_PEAK,
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sizeof(params[i].field)))
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goto cleanup;
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params[i].value.ui = outbound.peak;
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i++;
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}
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if (outbound.burst && i < nparams) {
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if (!virStrcpy(params[i].field, VIR_DOMAIN_BANDWIDTH_OUT_BURST,
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sizeof(params[i].field)))
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goto cleanup;
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params[i].value.ui = outbound.burst;
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i++;
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}
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if (virDomainSetInterfaceParameters(dom, device, params, nparams, flags) != 0) {
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vshError(ctl, "%s", _("Unable to set interface parameters"));
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goto cleanup;
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}
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}
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ret = true;
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cleanup:
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virTypedParameterArrayClear(params, nparams);
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VIR_FREE(params);
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virDomainFree(dom);
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return ret;
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}
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/*
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/*
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* "dommemstats" command
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* "dommemstats" command
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*/
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*/
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@ -15589,6 +15786,7 @@ static const vshCmdDef domManagementCmds[] = {
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info_detach_interface, 0},
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info_detach_interface, 0},
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{"domid", cmdDomid, opts_domid, info_domid, 0},
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{"domid", cmdDomid, opts_domid, info_domid, 0},
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{"domif-setlink", cmdDomIfSetLink, opts_domif_setlink, info_domif_setlink, 0},
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{"domif-setlink", cmdDomIfSetLink, opts_domif_setlink, info_domif_setlink, 0},
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{"domiftune", cmdDomIftune, opts_domiftune, info_domiftune, 0},
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{"domjobabort", cmdDomjobabort, opts_domjobabort, info_domjobabort, 0},
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{"domjobabort", cmdDomjobabort, opts_domjobabort, info_domjobabort, 0},
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{"domjobinfo", cmdDomjobinfo, opts_domjobinfo, info_domjobinfo, 0},
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{"domjobinfo", cmdDomjobinfo, opts_domjobinfo, info_domjobinfo, 0},
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{"domname", cmdDomname, opts_domname, info_domname, 0},
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{"domname", cmdDomname, opts_domname, info_domname, 0},
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@ -480,6 +480,27 @@ configuration of the domain is modified.
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Query link state of the domain's virtual interface. If --persistent
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Query link state of the domain's virtual interface. If --persistent
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is specified, query the persistent configuration.
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is specified, query the persistent configuration.
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=item B<domiftune> I<domain> I<interface-device>
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[[I<--config>] [I<--live>] | [I<--current>]]
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[I<--inbound average,peak,burst>]
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[I<--outbound average,peak,burst>]
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Set or query the domain's network interface's bandwidth parameters.
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I<interface-device> can be the interface's target name (<target dev='name'/>),
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or the MAC address.
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If no I<--inbound> or I<--outbound> is specified, this command will
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query and show the bandwidth settings. Otherwise, it will set the
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inbound or outbound bandwidth. I<average,peak,burst> is the same as
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in command I<attach-interface>.
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If I<--live> is specified, affect a running guest.
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If I<--config> is specified, affect the next boot of a persistent guest.
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If I<--current> is specified, affect the current guest state.
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Both I<--live> and I<--current> flags may be given, but I<--current> is
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exclusive. If no flag is specified, behavior is different depending
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on hypervisor.
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=item B<dommemstat> I<domain>
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=item B<dommemstat> I<domain>
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Get memory stats for a running domain.
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Get memory stats for a running domain.
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