mirror of
https://github.com/libvirt/libvirt.git
synced 2026-09-03 20:53:04 -05:00
Michal Privoznik
7c9a2d88cd
The source code base needs to be adapted as well. Some files include virutil.h just for the string related functions (here, the include is substituted to match the new file), some include virutil.h without any need (here, the include is removed), and some require both.
319 lines
8.2 KiB
C
319 lines
8.2 KiB
C
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/*
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* esx_interface_driver.c: interface driver functions for managing VMware ESX
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* host interfaces
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*
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* Copyright (C) 2010-2011 Red Hat, Inc.
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* Copyright (C) 2010-2012 Matthias Bolte <matthias.bolte@googlemail.com>
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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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*/
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#include <config.h>
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#include "internal.h"
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#include "viralloc.h"
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#include "virlog.h"
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#include "viruuid.h"
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#include "interface_conf.h"
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#include "virsocketaddr.h"
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#include "esx_private.h"
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#include "esx_interface_driver.h"
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#include "esx_vi.h"
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#include "esx_vi_methods.h"
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#include "esx_util.h"
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#define VIR_FROM_THIS VIR_FROM_ESX
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static virDrvOpenStatus
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esxInterfaceOpen(virConnectPtr conn,
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virConnectAuthPtr auth ATTRIBUTE_UNUSED,
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unsigned int flags)
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{
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virCheckFlags(VIR_CONNECT_RO, VIR_DRV_OPEN_ERROR);
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if (conn->driver->no != VIR_DRV_ESX) {
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return VIR_DRV_OPEN_DECLINED;
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}
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conn->interfacePrivateData = conn->privateData;
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return VIR_DRV_OPEN_SUCCESS;
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}
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static int
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esxInterfaceClose(virConnectPtr conn)
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{
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conn->interfacePrivateData = NULL;
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return 0;
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}
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static int
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esxConnectNumOfInterfaces(virConnectPtr conn)
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{
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esxPrivate *priv = conn->interfacePrivateData;
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esxVI_PhysicalNic *physicalNicList = NULL;
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esxVI_PhysicalNic *physicalNic = NULL;
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int count = 0;
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if (esxVI_EnsureSession(priv->primary) < 0 ||
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esxVI_LookupPhysicalNicList(priv->primary, &physicalNicList) < 0) {
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return -1;
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}
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for (physicalNic = physicalNicList; physicalNic != NULL;
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physicalNic = physicalNic->_next) {
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++count;
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}
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esxVI_PhysicalNic_Free(&physicalNicList);
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return count;
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}
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static int
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esxConnectListInterfaces(virConnectPtr conn, char **const names, int maxnames)
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{
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bool success = false;
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esxPrivate *priv = conn->interfacePrivateData;
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esxVI_PhysicalNic *physicalNicList = NULL;
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esxVI_PhysicalNic *physicalNic = NULL;
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int count = 0;
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int i;
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if (maxnames == 0) {
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return 0;
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}
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if (esxVI_EnsureSession(priv->primary) < 0 ||
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esxVI_LookupPhysicalNicList(priv->primary, &physicalNicList) < 0) {
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return -1;
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}
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for (physicalNic = physicalNicList; physicalNic != NULL;
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physicalNic = physicalNic->_next) {
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names[count] = strdup(physicalNic->device);
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if (names[count] == NULL) {
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virReportOOMError();
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goto cleanup;
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}
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++count;
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}
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success = true;
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cleanup:
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if (! success) {
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for (i = 0; i < count; ++i) {
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VIR_FREE(names[i]);
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}
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count = -1;
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}
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esxVI_PhysicalNic_Free(&physicalNicList);
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return count;
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}
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static int
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esxConnectNumOfDefinedInterfaces(virConnectPtr conn ATTRIBUTE_UNUSED)
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{
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/* ESX interfaces are always active */
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return 0;
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}
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static int
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esxConnectListDefinedInterfaces(virConnectPtr conn ATTRIBUTE_UNUSED,
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char **const names ATTRIBUTE_UNUSED,
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int maxnames ATTRIBUTE_UNUSED)
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{
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/* ESX interfaces are always active */
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return 0;
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}
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static virInterfacePtr
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esxInterfaceLookupByName(virConnectPtr conn, const char *name)
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{
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virInterfacePtr iface = NULL;
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esxPrivate *priv = conn->interfacePrivateData;
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esxVI_PhysicalNic *physicalNic = NULL;
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if (esxVI_EnsureSession(priv->primary) < 0 ||
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esxVI_LookupPhysicalNicByMACAddress(priv->primary, name, &physicalNic,
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esxVI_Occurrence_RequiredItem) < 0) {
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return NULL;
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}
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iface = virGetInterface(conn, physicalNic->device, physicalNic->mac);
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esxVI_PhysicalNic_Free(&physicalNic);
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return iface;
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}
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static virInterfacePtr
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esxInterfaceLookupByMACString(virConnectPtr conn, const char *mac)
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{
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virInterfacePtr iface = NULL;
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esxPrivate *priv = conn->interfacePrivateData;
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esxVI_PhysicalNic *physicalNic = NULL;
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if (esxVI_EnsureSession(priv->primary) < 0 ||
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esxVI_LookupPhysicalNicByMACAddress(priv->primary, mac, &physicalNic,
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esxVI_Occurrence_RequiredItem) < 0) {
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return NULL;
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}
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iface = virGetInterface(conn, physicalNic->device, physicalNic->mac);
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esxVI_PhysicalNic_Free(&physicalNic);
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return iface;
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}
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static char *
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esxInterfaceGetXMLDesc(virInterfacePtr iface, unsigned int flags)
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{
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char *xml = NULL;
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esxPrivate *priv = iface->conn->interfacePrivateData;
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esxVI_PhysicalNic *physicalNic = NULL;
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virInterfaceDef def;
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bool hasAddress = false;
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virInterfaceProtocolDefPtr protocols;
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virInterfaceProtocolDef protocol;
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virSocketAddr socketAddress;
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virInterfaceIpDefPtr ips;
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virInterfaceIpDef ip;
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virCheckFlags(VIR_INTERFACE_XML_INACTIVE, NULL);
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memset(&def, 0, sizeof(def));
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memset(&protocol, 0, sizeof(protocol));
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memset(&socketAddress, 0, sizeof(socketAddress));
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memset(&ip, 0, sizeof(ip));
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if (esxVI_EnsureSession(priv->primary) < 0 ||
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esxVI_LookupPhysicalNicByMACAddress(priv->primary, iface->mac,
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&physicalNic,
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esxVI_Occurrence_RequiredItem) < 0) {
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return NULL;
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}
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def.type = VIR_INTERFACE_TYPE_ETHERNET;
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def.name = physicalNic->device;
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def.mac = physicalNic->mac;
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def.startmode = VIR_INTERFACE_START_ONBOOT;
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/* FIXME: Add support for IPv6, requires to use vSphere API 4.0 */
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if (physicalNic->spec->ip != NULL) {
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protocol.family = (char *)"ipv4";
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if (physicalNic->spec->ip->dhcp == esxVI_Boolean_True) {
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protocol.dhcp = 1;
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}
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if (physicalNic->spec->ip->ipAddress != NULL &&
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physicalNic->spec->ip->subnetMask != NULL &&
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strlen(physicalNic->spec->ip->ipAddress) > 0 &&
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strlen(physicalNic->spec->ip->subnetMask) > 0) {
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hasAddress = true;
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}
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if (protocol.dhcp || hasAddress) {
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protocols = &protocol;
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def.nprotos = 1;
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def.protos = &protocols;
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}
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if (hasAddress &&
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!(protocol.dhcp && (flags & VIR_INTERFACE_XML_INACTIVE))) {
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ips = &ip;
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protocol.nips = 1;
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protocol.ips = &ips;
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if (virSocketAddrParseIPv4(&socketAddress,
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physicalNic->spec->ip->subnetMask) < 0) {
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goto cleanup;
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}
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ip.address = physicalNic->spec->ip->ipAddress;
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ip.prefix = virSocketAddrGetNumNetmaskBits(&socketAddress);
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}
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}
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xml = virInterfaceDefFormat(&def);
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cleanup:
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esxVI_PhysicalNic_Free(&physicalNic);
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return xml;
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}
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static int
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esxInterfaceIsActive(virInterfacePtr iface ATTRIBUTE_UNUSED)
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{
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/* ESX interfaces are always active */
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return 1;
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}
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static virInterfaceDriver esxInterfaceDriver = {
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.name = "ESX",
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.interfaceOpen = esxInterfaceOpen, /* 0.7.6 */
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.interfaceClose = esxInterfaceClose, /* 0.7.6 */
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.connectNumOfInterfaces = esxConnectNumOfInterfaces, /* 0.10.0 */
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.connectListInterfaces = esxConnectListInterfaces, /* 0.10.0 */
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.connectNumOfDefinedInterfaces = esxConnectNumOfDefinedInterfaces, /* 0.10.0 */
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.connectListDefinedInterfaces = esxConnectListDefinedInterfaces, /* 0.10.0 */
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.interfaceLookupByName = esxInterfaceLookupByName, /* 0.10.0 */
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.interfaceLookupByMACString = esxInterfaceLookupByMACString, /* 0.10.0 */
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.interfaceGetXMLDesc = esxInterfaceGetXMLDesc, /* 0.10.0 */
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.interfaceIsActive = esxInterfaceIsActive, /* 0.10.0 */
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};
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int
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esxInterfaceRegister(void)
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{
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return virRegisterInterfaceDriver(&esxInterfaceDriver);
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}
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