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7a18fbeeb8
libvirt/src/conf/domain_conf.c
Matthias Bolte 7a18fbeeb8 Fix some locking issues 
* src/conf/domain_conf.c: don't call virDomainObjUnlock twice
* src/qemu/qemu_driver.c: relock driver lock if an error occurs in
  qemuDomainObjBeginJobWithDriver, enter/exit monitor with driver
  in qemudDomainSave
2009-12-03 17:06:38 +01:00

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170 KiB
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/*
* domain_conf.c: domain XML processing
*
* Copyright (C) 2006-2009 Red Hat, Inc.
* Copyright (C) 2006-2008 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#include <config.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <dirent.h>
#include "virterror_internal.h"
#include "datatypes.h"
#include "domain_conf.h"
#include "memory.h"
#include "verify.h"
#include "xml.h"
#include "uuid.h"
#include "util.h"
#include "buf.h"
#include "c-ctype.h"
#include "logging.h"
#include "network.h"
#define VIR_FROM_THIS VIR_FROM_DOMAIN
VIR_ENUM_IMPL(virDomainVirt, VIR_DOMAIN_VIRT_LAST,
"qemu",
"kqemu",
"kvm",
"xen",
"lxc",
"uml",
"openvz",
"vserver",
"ldom",
"test",
"vmware",
"hyperv",
"vbox",
"one",
"phyp")
VIR_ENUM_IMPL(virDomainBoot, VIR_DOMAIN_BOOT_LAST,
"fd",
"cdrom",
"hd",
"network")
VIR_ENUM_IMPL(virDomainFeature, VIR_DOMAIN_FEATURE_LAST,
"acpi",
"apic",
"pae")
VIR_ENUM_IMPL(virDomainLifecycle, VIR_DOMAIN_LIFECYCLE_LAST,
"destroy",
"restart",
"rename-restart",
"preserve")
VIR_ENUM_IMPL(virDomainDevice, VIR_DOMAIN_DEVICE_LAST,
"disk",
"filesystem",
"interface",
"input",
"sound",
"video",
"hostdev",
"watchdog")
VIR_ENUM_IMPL(virDomainDisk, VIR_DOMAIN_DISK_TYPE_LAST,
"block",
"file",
"dir")
VIR_ENUM_IMPL(virDomainDiskDevice, VIR_DOMAIN_DISK_DEVICE_LAST,
"disk",
"cdrom",
"floppy")
VIR_ENUM_IMPL(virDomainDiskBus, VIR_DOMAIN_DISK_BUS_LAST,
"ide",
"fdc",
"scsi",
"virtio",
"xen",
"usb",
"uml",
"sata")
VIR_ENUM_IMPL(virDomainDiskCache, VIR_DOMAIN_DISK_CACHE_LAST,
"default",
"none",
"writethrough",
"writeback")
VIR_ENUM_IMPL(virDomainFS, VIR_DOMAIN_FS_TYPE_LAST,
"mount",
"block",
"file",
"template")
VIR_ENUM_IMPL(virDomainNet, VIR_DOMAIN_NET_TYPE_LAST,
"user",
"ethernet",
"server",
"client",
"mcast",
"network",
"bridge",
"internal")
VIR_ENUM_IMPL(virDomainChrTarget, VIR_DOMAIN_CHR_TARGET_TYPE_LAST,
"null",
"monitor",
"parallel",
"serial",
"console",
"guestfwd")
VIR_ENUM_IMPL(virDomainChr, VIR_DOMAIN_CHR_TYPE_LAST,
"null",
"vc",
"pty",
"dev",
"file",
"pipe",
"stdio",
"udp",
"tcp",
"unix")
VIR_ENUM_IMPL(virDomainSoundModel, VIR_DOMAIN_SOUND_MODEL_LAST,
"sb16",
"es1370",
"pcspk",
"ac97")
VIR_ENUM_IMPL(virDomainWatchdogModel, VIR_DOMAIN_WATCHDOG_MODEL_LAST,
"i6300esb",
"ib700")
VIR_ENUM_IMPL(virDomainWatchdogAction, VIR_DOMAIN_WATCHDOG_ACTION_LAST,
"reset",
"shutdown",
"poweroff",
"pause",
"none")
VIR_ENUM_IMPL(virDomainVideo, VIR_DOMAIN_VIDEO_TYPE_LAST,
"vga",
"cirrus",
"vmvga",
"xen",
"vbox")
VIR_ENUM_IMPL(virDomainInput, VIR_DOMAIN_INPUT_TYPE_LAST,
"mouse",
"tablet")
VIR_ENUM_IMPL(virDomainInputBus, VIR_DOMAIN_INPUT_BUS_LAST,
"ps2",
"usb",
"xen")
VIR_ENUM_IMPL(virDomainGraphics, VIR_DOMAIN_GRAPHICS_TYPE_LAST,
"sdl",
"vnc",
"rdp",
"desktop")
VIR_ENUM_IMPL(virDomainHostdevMode, VIR_DOMAIN_HOSTDEV_MODE_LAST,
"subsystem",
"capabilities")
VIR_ENUM_IMPL(virDomainHostdevSubsys, VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST,
"usb",
"pci")
VIR_ENUM_IMPL(virDomainState, VIR_DOMAIN_CRASHED+1,
"nostate",
"running",
"blocked",
"paused",
"shutdown",
"shutoff",
"crashed")
VIR_ENUM_IMPL(virDomainSeclabel, VIR_DOMAIN_SECLABEL_LAST,
"dynamic",
"static")
#define virDomainReportError(conn, code, fmt...) \
virReportErrorHelper(conn, VIR_FROM_DOMAIN, code, __FILE__, \
__FUNCTION__, __LINE__, fmt)
#ifndef PROXY
int virDomainObjListInit(virDomainObjListPtr doms)
{
doms->objs = virHashCreate(50);
if (!doms->objs) {
virReportOOMError(NULL);
return -1;
}
return 0;
}
static void virDomainObjListDeallocator(void *payload, const char *name ATTRIBUTE_UNUSED)
{
virDomainObjPtr obj = payload;
virDomainObjLock(obj);
if (!virDomainObjUnref(obj))
virDomainObjUnlock(obj);
}
void virDomainObjListDeinit(virDomainObjListPtr doms)
{
if (doms->objs)
virHashFree(doms->objs, virDomainObjListDeallocator);
}
static int virDomainObjListSearchID(const void *payload,
const char *name ATTRIBUTE_UNUSED,
const void *data)
{
virDomainObjPtr obj = (virDomainObjPtr)payload;
const int *id = data;
int want = 0;
virDomainObjLock(obj);
if (virDomainObjIsActive(obj) &&
obj->def->id == *id)
want = 1;
virDomainObjUnlock(obj);
return want;
}
virDomainObjPtr virDomainFindByID(const virDomainObjListPtr doms,
int id)
{
virDomainObjPtr obj;
obj = virHashSearch(doms->objs, virDomainObjListSearchID, &id);
if (obj)
virDomainObjLock(obj);
return obj;
}
virDomainObjPtr virDomainFindByUUID(const virDomainObjListPtr doms,
const unsigned char *uuid)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
virDomainObjPtr obj;
virUUIDFormat(uuid, uuidstr);
obj = virHashLookup(doms->objs, uuidstr);
if (obj)
virDomainObjLock(obj);
return obj;
}
static int virDomainObjListSearchName(const void *payload,
const char *name ATTRIBUTE_UNUSED,
const void *data)
{
virDomainObjPtr obj = (virDomainObjPtr)payload;
int want = 0;
virDomainObjLock(obj);
if (STREQ(obj->def->name, (const char *)data))
want = 1;
virDomainObjUnlock(obj);
return want;
}
virDomainObjPtr virDomainFindByName(const virDomainObjListPtr doms,
const char *name)
{
virDomainObjPtr obj;
obj = virHashSearch(doms->objs, virDomainObjListSearchName, name);
if (obj)
virDomainObjLock(obj);
return obj;
}
#endif /* !PROXY */
void virDomainGraphicsDefFree(virDomainGraphicsDefPtr def)
{
if (!def)
return;
switch (def->type) {
case VIR_DOMAIN_GRAPHICS_TYPE_VNC:
VIR_FREE(def->data.vnc.listenAddr);
VIR_FREE(def->data.vnc.keymap);
VIR_FREE(def->data.vnc.passwd);
break;
case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
VIR_FREE(def->data.sdl.display);
VIR_FREE(def->data.sdl.xauth);
break;
case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
VIR_FREE(def->data.rdp.listenAddr);
break;
case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
VIR_FREE(def->data.desktop.display);
break;
}
VIR_FREE(def);
}
void virDomainInputDefFree(virDomainInputDefPtr def)
{
if (!def)
return;
VIR_FREE(def);
}
void virDomainDiskDefFree(virDomainDiskDefPtr def)
{
if (!def)
return;
VIR_FREE(def->serial);
VIR_FREE(def->src);
VIR_FREE(def->dst);
VIR_FREE(def->driverName);
VIR_FREE(def->driverType);
virStorageEncryptionFree(def->encryption);
VIR_FREE(def);
}
void virDomainFSDefFree(virDomainFSDefPtr def)
{
if (!def)
return;
VIR_FREE(def->src);
VIR_FREE(def->dst);
VIR_FREE(def);
}
void virDomainNetDefFree(virDomainNetDefPtr def)
{
if (!def)
return;
VIR_FREE(def->model);
switch (def->type) {
case VIR_DOMAIN_NET_TYPE_ETHERNET:
VIR_FREE(def->data.ethernet.dev);
VIR_FREE(def->data.ethernet.script);
VIR_FREE(def->data.ethernet.ipaddr);
break;
case VIR_DOMAIN_NET_TYPE_SERVER:
case VIR_DOMAIN_NET_TYPE_CLIENT:
case VIR_DOMAIN_NET_TYPE_MCAST:
VIR_FREE(def->data.socket.address);
break;
case VIR_DOMAIN_NET_TYPE_NETWORK:
VIR_FREE(def->data.network.name);
break;
case VIR_DOMAIN_NET_TYPE_BRIDGE:
VIR_FREE(def->data.bridge.brname);
VIR_FREE(def->data.bridge.script);
VIR_FREE(def->data.bridge.ipaddr);
break;
case VIR_DOMAIN_NET_TYPE_INTERNAL:
VIR_FREE(def->data.internal.name);
break;
}
VIR_FREE(def->ifname);
VIR_FREE(def->nic_name);
VIR_FREE(def->hostnet_name);
VIR_FREE(def);
}
void virDomainChrDefFree(virDomainChrDefPtr def)
{
if (!def)
return;
switch (def->targetType) {
case VIR_DOMAIN_CHR_TARGET_TYPE_GUESTFWD:
VIR_FREE(def->target.addr);
break;
}
switch (def->type) {
case VIR_DOMAIN_CHR_TYPE_PTY:
case VIR_DOMAIN_CHR_TYPE_DEV:
case VIR_DOMAIN_CHR_TYPE_FILE:
case VIR_DOMAIN_CHR_TYPE_PIPE:
VIR_FREE(def->data.file.path);
break;
case VIR_DOMAIN_CHR_TYPE_UDP:
VIR_FREE(def->data.udp.bindHost);
VIR_FREE(def->data.udp.bindService);
VIR_FREE(def->data.udp.connectHost);
VIR_FREE(def->data.udp.connectService);
break;
case VIR_DOMAIN_CHR_TYPE_TCP:
VIR_FREE(def->data.tcp.host);
VIR_FREE(def->data.tcp.service);
break;
case VIR_DOMAIN_CHR_TYPE_UNIX:
VIR_FREE(def->data.nix.path);
break;
}
VIR_FREE(def);
}
void virDomainSoundDefFree(virDomainSoundDefPtr def)
{
if (!def)
return;
VIR_FREE(def);
}
void virDomainWatchdogDefFree(virDomainWatchdogDefPtr def)
{
if (!def)
return;
VIR_FREE(def);
}
void virDomainVideoDefFree(virDomainVideoDefPtr def)
{
if (!def)
return;
VIR_FREE(def->accel);
VIR_FREE(def);
}
void virDomainHostdevDefFree(virDomainHostdevDefPtr def)
{
if (!def)
return;
VIR_FREE(def->target);
VIR_FREE(def);
}
void virDomainDeviceDefFree(virDomainDeviceDefPtr def)
{
if (!def)
return;
switch (def->type) {
case VIR_DOMAIN_DEVICE_DISK:
virDomainDiskDefFree(def->data.disk);
break;
case VIR_DOMAIN_DEVICE_NET:
virDomainNetDefFree(def->data.net);
break;
case VIR_DOMAIN_DEVICE_INPUT:
virDomainInputDefFree(def->data.input);
break;
case VIR_DOMAIN_DEVICE_SOUND:
virDomainSoundDefFree(def->data.sound);
break;
case VIR_DOMAIN_DEVICE_VIDEO:
virDomainVideoDefFree(def->data.video);
break;
case VIR_DOMAIN_DEVICE_HOSTDEV:
virDomainHostdevDefFree(def->data.hostdev);
break;
case VIR_DOMAIN_DEVICE_WATCHDOG:
virDomainWatchdogDefFree(def->data.watchdog);
break;
}
VIR_FREE(def);
}
void virSecurityLabelDefFree(virDomainDefPtr def);
void virSecurityLabelDefFree(virDomainDefPtr def)
{
VIR_FREE(def->seclabel.model);
VIR_FREE(def->seclabel.label);
VIR_FREE(def->seclabel.imagelabel);
}
void virDomainDefFree(virDomainDefPtr def)
{
unsigned int i;
if (!def)
return;
for (i = 0 ; i < def->ngraphics ; i++)
virDomainGraphicsDefFree(def->graphics[i]);
VIR_FREE(def->graphics);
for (i = 0 ; i < def->ninputs ; i++)
virDomainInputDefFree(def->inputs[i]);
VIR_FREE(def->inputs);
for (i = 0 ; i < def->ndisks ; i++)
virDomainDiskDefFree(def->disks[i]);
VIR_FREE(def->disks);
for (i = 0 ; i < def->nfss ; i++)
virDomainFSDefFree(def->fss[i]);
VIR_FREE(def->fss);
for (i = 0 ; i < def->nnets ; i++)
virDomainNetDefFree(def->nets[i]);
VIR_FREE(def->nets);
for (i = 0 ; i < def->nserials ; i++)
virDomainChrDefFree(def->serials[i]);
VIR_FREE(def->serials);
for (i = 0 ; i < def->nparallels ; i++)
virDomainChrDefFree(def->parallels[i]);
VIR_FREE(def->parallels);
for (i = 0 ; i < def->nchannels ; i++)
virDomainChrDefFree(def->channels[i]);
VIR_FREE(def->channels);
virDomainChrDefFree(def->console);
for (i = 0 ; i < def->nsounds ; i++)
virDomainSoundDefFree(def->sounds[i]);
VIR_FREE(def->sounds);
for (i = 0 ; i < def->nvideos ; i++)
virDomainVideoDefFree(def->videos[i]);
VIR_FREE(def->videos);
for (i = 0 ; i < def->nhostdevs ; i++)
virDomainHostdevDefFree(def->hostdevs[i]);
VIR_FREE(def->hostdevs);
VIR_FREE(def->os.type);
VIR_FREE(def->os.arch);
VIR_FREE(def->os.machine);
VIR_FREE(def->os.init);
VIR_FREE(def->os.kernel);
VIR_FREE(def->os.initrd);
VIR_FREE(def->os.cmdline);
VIR_FREE(def->os.root);
VIR_FREE(def->os.loader);
VIR_FREE(def->os.bootloader);
VIR_FREE(def->os.bootloaderArgs);
VIR_FREE(def->name);
VIR_FREE(def->cpumask);
VIR_FREE(def->emulator);
VIR_FREE(def->description);
virDomainWatchdogDefFree(def->watchdog);
virSecurityLabelDefFree(def);
VIR_FREE(def);
}
#ifndef PROXY
static void virDomainObjFree(virDomainObjPtr dom)
{
if (!dom)
return;
VIR_DEBUG("obj=%p", dom);
virDomainDefFree(dom->def);
virDomainDefFree(dom->newDef);
virDomainChrDefFree(dom->monitor_chr);
VIR_FREE(dom->vcpupids);
if (dom->privateDataFreeFunc)
(dom->privateDataFreeFunc)(dom->privateData);
virMutexDestroy(&dom->lock);
VIR_FREE(dom);
}
void virDomainObjRef(virDomainObjPtr dom)
{
dom->refs++;
VIR_DEBUG("obj=%p refs=%d", dom, dom->refs);
}
int virDomainObjUnref(virDomainObjPtr dom)
{
dom->refs--;
VIR_DEBUG("obj=%p refs=%d", dom, dom->refs);
if (dom->refs == 0) {
virDomainObjUnlock(dom);
virDomainObjFree(dom);
return 1;
}
return 0;
}
static virDomainObjPtr virDomainObjNew(virConnectPtr conn,
virCapsPtr caps)
{
virDomainObjPtr domain;
if (VIR_ALLOC(domain) < 0) {
virReportOOMError(conn);
return NULL;
}
if (caps->privateDataAllocFunc &&
!(domain->privateData = (caps->privateDataAllocFunc)())) {
virReportOOMError(conn);
VIR_FREE(domain);
return NULL;
}
domain->privateDataFreeFunc = caps->privateDataFreeFunc;
if (virMutexInit(&domain->lock) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot initialize mutex"));
if (domain->privateDataFreeFunc)
(domain->privateDataFreeFunc)(domain->privateData);
VIR_FREE(domain);
return NULL;
}
virDomainObjLock(domain);
domain->state = VIR_DOMAIN_SHUTOFF;
domain->monitorWatch = -1;
domain->monitor = -1;
domain->refs = 1;
VIR_DEBUG("obj=%p", domain);
return domain;
}
virDomainObjPtr virDomainAssignDef(virConnectPtr conn,
virCapsPtr caps,
virDomainObjListPtr doms,
const virDomainDefPtr def)
{
virDomainObjPtr domain;
char uuidstr[VIR_UUID_STRING_BUFLEN];
if ((domain = virDomainFindByUUID(doms, def->uuid))) {
if (!virDomainObjIsActive(domain)) {
virDomainDefFree(domain->def);
domain->def = def;
} else {
if (domain->newDef)
virDomainDefFree(domain->newDef);
domain->newDef = def;
}
return domain;
}
if (!(domain = virDomainObjNew(conn, caps)))
return NULL;
domain->def = def;
virUUIDFormat(def->uuid, uuidstr);
if (virHashAddEntry(doms->objs, uuidstr, domain) < 0) {
VIR_FREE(domain);
virReportOOMError(conn);
return NULL;
}
return domain;
}
/*
* The caller must hold a lock on the driver owning 'doms',
* and must also have locked 'dom', to ensure no one else
* is either waiting for 'dom' or still usingn it
*/
void virDomainRemoveInactive(virDomainObjListPtr doms,
virDomainObjPtr dom)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(dom->def->uuid, uuidstr);
virDomainObjUnlock(dom);
virHashRemoveEntry(doms->objs, uuidstr, virDomainObjListDeallocator);
}
/* Parse the XML definition for a disk
* @param node XML nodeset to parse for disk definition
*/
static virDomainDiskDefPtr
virDomainDiskDefParseXML(virConnectPtr conn,
xmlNodePtr node,
int flags) {
virDomainDiskDefPtr def;
xmlNodePtr cur;
char *type = NULL;
char *device = NULL;
char *driverName = NULL;
char *driverType = NULL;
char *source = NULL;
char *target = NULL;
char *bus = NULL;
char *cachetag = NULL;
char *devaddr = NULL;
virStorageEncryptionPtr encryption = NULL;
char *serial = NULL;
if (VIR_ALLOC(def) < 0) {
virReportOOMError(conn);
return NULL;
}
type = virXMLPropString(node, "type");
if (type) {
if ((def->type = virDomainDiskTypeFromString(type)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown disk type '%s'"), type);
goto error;
}
} else {
def->type = VIR_DOMAIN_DISK_TYPE_FILE;
}
cur = node->children;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE) {
if ((source == NULL) &&
(xmlStrEqual(cur->name, BAD_CAST "source"))) {
switch (def->type) {
case VIR_DOMAIN_DISK_TYPE_FILE:
source = virXMLPropString(cur, "file");
break;
case VIR_DOMAIN_DISK_TYPE_BLOCK:
source = virXMLPropString(cur, "dev");
break;
case VIR_DOMAIN_DISK_TYPE_DIR:
source = virXMLPropString(cur, "dir");
break;
default:
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected disk type %s"),
virDomainDiskTypeToString(def->type));
goto error;
}
/* People sometimes pass a bogus '' source path
when they mean to omit the source element
completely. eg CDROM without media. This is
just a little compatability check to help
those broken apps */
if (source && STREQ(source, ""))
VIR_FREE(source);
} else if ((target == NULL) &&
(xmlStrEqual(cur->name, BAD_CAST "target"))) {
target = virXMLPropString(cur, "dev");
bus = virXMLPropString(cur, "bus");
/* HACK: Work around for compat with Xen
* driver in previous libvirt releases */
if (target &&
STRPREFIX(target, "ioemu:"))
memmove(target, target+6, strlen(target)-5);
} else if ((driverName == NULL) &&
(xmlStrEqual(cur->name, BAD_CAST "driver"))) {
driverName = virXMLPropString(cur, "name");
driverType = virXMLPropString(cur, "type");
cachetag = virXMLPropString(cur, "cache");
} else if (xmlStrEqual(cur->name, BAD_CAST "readonly")) {
def->readonly = 1;
} else if (xmlStrEqual(cur->name, BAD_CAST "shareable")) {
def->shared = 1;
} else if ((flags & VIR_DOMAIN_XML_INTERNAL_STATUS) &&
xmlStrEqual(cur->name, BAD_CAST "state")) {
devaddr = virXMLPropString(cur, "devaddr");
} else if (encryption == NULL &&
xmlStrEqual(cur->name, BAD_CAST "encryption")) {
encryption = virStorageEncryptionParseNode(conn, node->doc,
cur);
if (encryption == NULL)
goto error;
} else if ((serial == NULL) &&
(xmlStrEqual(cur->name, BAD_CAST "serial"))) {
serial = (char *)xmlNodeGetContent(cur);
}
}
cur = cur->next;
}
device = virXMLPropString(node, "device");
if (device) {
if ((def->device = virDomainDiskDeviceTypeFromString(device)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown disk device '%s'"), device);
goto error;
}
} else {
def->device = VIR_DOMAIN_DISK_DEVICE_DISK;
}
/* Only CDROM and Floppy devices are allowed missing source path
* to indicate no media present */
if (source == NULL &&
def->device != VIR_DOMAIN_DISK_DEVICE_CDROM &&
def->device != VIR_DOMAIN_DISK_DEVICE_FLOPPY) {
virDomainReportError(conn, VIR_ERR_NO_SOURCE,
target ? "%s" : NULL, target);
goto error;
}
if (target == NULL) {
virDomainReportError(conn, VIR_ERR_NO_TARGET,
source ? "%s" : NULL, source);
goto error;
}
if (def->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY &&
!STRPREFIX(target, "fd")) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("Invalid floppy device name: %s"), target);
goto error;
}
/* Force CDROM to be listed as read only */
if (def->device == VIR_DOMAIN_DISK_DEVICE_CDROM)
def->readonly = 1;
if (def->device == VIR_DOMAIN_DISK_DEVICE_DISK &&
!STRPREFIX((const char *)target, "hd") &&
!STRPREFIX((const char *)target, "sd") &&
!STRPREFIX((const char *)target, "vd") &&
!STRPREFIX((const char *)target, "xvd") &&
!STRPREFIX((const char *)target, "ubd")) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("Invalid harddisk device name: %s"), target);
goto error;
}
if (bus) {
if ((def->bus = virDomainDiskBusTypeFromString(bus)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown disk bus type '%s'"), bus);
goto error;
}
} else {
if (def->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY) {
def->bus = VIR_DOMAIN_DISK_BUS_FDC;
} else {
if (STRPREFIX(target, "hd"))
def->bus = VIR_DOMAIN_DISK_BUS_IDE;
else if (STRPREFIX(target, "sd"))
def->bus = VIR_DOMAIN_DISK_BUS_SCSI;
else if (STRPREFIX(target, "vd"))
def->bus = VIR_DOMAIN_DISK_BUS_VIRTIO;
else if (STRPREFIX(target, "xvd"))
def->bus = VIR_DOMAIN_DISK_BUS_XEN;
else if (STRPREFIX(target, "ubd"))
def->bus = VIR_DOMAIN_DISK_BUS_UML;
else
def->bus = VIR_DOMAIN_DISK_BUS_IDE;
}
}
if (def->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY &&
def->bus != VIR_DOMAIN_DISK_BUS_FDC) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("Invalid bus type '%s' for floppy disk"), bus);
goto error;
}
if (def->device != VIR_DOMAIN_DISK_DEVICE_FLOPPY &&
def->bus == VIR_DOMAIN_DISK_BUS_FDC) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("Invalid bus type '%s' for disk"), bus);
goto error;
}
if (cachetag &&
(def->cachemode = virDomainDiskCacheTypeFromString(cachetag)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown disk cache mode '%s'"), cachetag);
goto error;
}
if (devaddr &&
sscanf(devaddr, "%x:%x:%x",
&def->pci_addr.domain,
&def->pci_addr.bus,
&def->pci_addr.slot) < 3) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("Unable to parse devaddr parameter '%s'"),
devaddr);
goto error;
}
def->src = source;
source = NULL;
def->dst = target;
target = NULL;
def->driverName = driverName;
driverName = NULL;
def->driverType = driverType;
driverType = NULL;
def->encryption = encryption;
encryption = NULL;
def->serial = serial;
serial = NULL;
cleanup:
VIR_FREE(bus);
VIR_FREE(type);
VIR_FREE(target);
VIR_FREE(source);
VIR_FREE(device);
VIR_FREE(driverType);
VIR_FREE(driverName);
VIR_FREE(cachetag);
VIR_FREE(devaddr);
VIR_FREE(serial);
virStorageEncryptionFree(encryption);
return def;
error:
virDomainDiskDefFree(def);
def = NULL;
goto cleanup;
}
/* Parse the XML definition for a disk
* @param node XML nodeset to parse for disk definition
*/
static virDomainFSDefPtr
virDomainFSDefParseXML(virConnectPtr conn,
xmlNodePtr node,
int flags ATTRIBUTE_UNUSED) {
virDomainFSDefPtr def;
xmlNodePtr cur;
char *type = NULL;
char *source = NULL;
char *target = NULL;
if (VIR_ALLOC(def) < 0) {
virReportOOMError(conn);
return NULL;
}
type = virXMLPropString(node, "type");
if (type) {
if ((def->type = virDomainFSTypeFromString(type)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown filesystem type '%s'"), type);
goto error;
}
} else {
def->type = VIR_DOMAIN_FS_TYPE_MOUNT;
}
cur = node->children;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE) {
if ((source == NULL) &&
(xmlStrEqual(cur->name, BAD_CAST "source"))) {
if (def->type == VIR_DOMAIN_FS_TYPE_MOUNT)
source = virXMLPropString(cur, "dir");
else if (def->type == VIR_DOMAIN_FS_TYPE_FILE)
source = virXMLPropString(cur, "file");
else if (def->type == VIR_DOMAIN_FS_TYPE_BLOCK)
source = virXMLPropString(cur, "dev");
else if (def->type == VIR_DOMAIN_FS_TYPE_TEMPLATE)
source = virXMLPropString(cur, "name");
} else if ((target == NULL) &&
(xmlStrEqual(cur->name, BAD_CAST "target"))) {
target = virXMLPropString(cur, "dir");
} else if (xmlStrEqual(cur->name, BAD_CAST "readonly")) {
def->readonly = 1;
}
}
cur = cur->next;
}
if (source == NULL) {
virDomainReportError(conn, VIR_ERR_NO_SOURCE,
target ? "%s" : NULL, target);
goto error;
}
if (target == NULL) {
virDomainReportError(conn, VIR_ERR_NO_TARGET,
source ? "%s" : NULL, source);
goto error;
}
def->src = source;
source = NULL;
def->dst = target;
target = NULL;
cleanup:
VIR_FREE(type);
VIR_FREE(target);
VIR_FREE(source);
return def;
error:
virDomainFSDefFree(def);
def = NULL;
goto cleanup;
}
/* Parse the XML definition for a network interface
* @param node XML nodeset to parse for net definition
* @return 0 on success, -1 on failure
*/
static virDomainNetDefPtr
virDomainNetDefParseXML(virConnectPtr conn,
virCapsPtr caps,
xmlNodePtr node,
int flags ATTRIBUTE_UNUSED) {
virDomainNetDefPtr def;
xmlNodePtr cur;
char *macaddr = NULL;
char *type = NULL;
char *network = NULL;
char *bridge = NULL;
char *dev = NULL;
char *ifname = NULL;
char *script = NULL;
char *address = NULL;
char *port = NULL;
char *model = NULL;
char *internal = NULL;
char *nic_name = NULL;
char *hostnet_name = NULL;
char *devaddr = NULL;
char *vlan = NULL;
if (VIR_ALLOC(def) < 0) {
virReportOOMError(conn);
return NULL;
}
type = virXMLPropString(node, "type");
if (type != NULL) {
if ((def->type = virDomainNetTypeFromString(type)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown interface type '%s'"), type);
goto error;
}
} else {
def->type = VIR_DOMAIN_NET_TYPE_USER;
}
cur = node->children;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE) {
if ((macaddr == NULL) &&
(xmlStrEqual(cur->name, BAD_CAST "mac"))) {
macaddr = virXMLPropString(cur, "address");
} else if ((network == NULL) &&
(def->type == VIR_DOMAIN_NET_TYPE_NETWORK) &&
(xmlStrEqual(cur->name, BAD_CAST "source"))) {
network = virXMLPropString(cur, "network");
} else if ((internal == NULL) &&
(def->type == VIR_DOMAIN_NET_TYPE_INTERNAL) &&
(xmlStrEqual(cur->name, BAD_CAST "source"))) {
internal = virXMLPropString(cur, "name");
} else if ((network == NULL) &&
(def->type == VIR_DOMAIN_NET_TYPE_BRIDGE) &&
(xmlStrEqual(cur->name, BAD_CAST "source"))) {
bridge = virXMLPropString(cur, "bridge");
} else if ((dev == NULL) &&
(def->type == VIR_DOMAIN_NET_TYPE_ETHERNET) &&
xmlStrEqual(cur->name, BAD_CAST "source")) {
dev = virXMLPropString(cur, "dev");
} else if ((network == NULL) &&
((def->type == VIR_DOMAIN_NET_TYPE_SERVER) ||
(def->type == VIR_DOMAIN_NET_TYPE_CLIENT) ||
(def->type == VIR_DOMAIN_NET_TYPE_MCAST)) &&
(xmlStrEqual(cur->name, BAD_CAST "source"))) {
address = virXMLPropString(cur, "address");
port = virXMLPropString(cur, "port");
} else if ((address == NULL) &&
(def->type == VIR_DOMAIN_NET_TYPE_ETHERNET ||
def->type == VIR_DOMAIN_NET_TYPE_BRIDGE) &&
(xmlStrEqual(cur->name, BAD_CAST "ip"))) {
address = virXMLPropString(cur, "address");
} else if ((ifname == NULL) &&
xmlStrEqual(cur->name, BAD_CAST "target")) {
ifname = virXMLPropString(cur, "dev");
if ((ifname != NULL) &&
(STRPREFIX((const char*)ifname, "vnet"))) {
/* An auto-generated target name, blank it out */
VIR_FREE(ifname);
}
} else if ((script == NULL) &&
(def->type == VIR_DOMAIN_NET_TYPE_ETHERNET ||
def->type == VIR_DOMAIN_NET_TYPE_BRIDGE) &&
xmlStrEqual(cur->name, BAD_CAST "script")) {
script = virXMLPropString(cur, "path");
} else if (xmlStrEqual (cur->name, BAD_CAST "model")) {
model = virXMLPropString(cur, "type");
} else if ((flags & VIR_DOMAIN_XML_INTERNAL_STATUS) &&
xmlStrEqual(cur->name, BAD_CAST "state")) {
nic_name = virXMLPropString(cur, "nic");
hostnet_name = virXMLPropString(cur, "hostnet");
devaddr = virXMLPropString(cur, "devaddr");
vlan = virXMLPropString(cur, "vlan");
}
}
cur = cur->next;
}
if (macaddr) {
if (virParseMacAddr((const char *)macaddr, def->mac) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unable to parse mac address '%s'"),
(const char *)macaddr);
goto error;
}
} else {
virCapabilitiesGenerateMac(caps, def->mac);
}
if (devaddr &&
sscanf(devaddr, "%x:%x:%x",
&def->pci_addr.domain,
&def->pci_addr.bus,
&def->pci_addr.slot) < 3) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("Unable to parse devaddr parameter '%s'"),
devaddr);
goto error;
}
def->nic_name = nic_name;
def->hostnet_name = hostnet_name;
nic_name = hostnet_name = NULL;
def->vlan = -1;
if (vlan && virStrToLong_i(vlan, NULL, 10, &def->vlan) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("Cannot parse <state> 'vlan' attribute"));
goto error;
}
switch (def->type) {
case VIR_DOMAIN_NET_TYPE_NETWORK:
if (network == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("No <source> 'network' attribute specified with <interface type='network'/>"));
goto error;
}
def->data.network.name = network;
network = NULL;
break;
case VIR_DOMAIN_NET_TYPE_ETHERNET:
if (script != NULL) {
def->data.ethernet.script = script;
script = NULL;
}
if (dev != NULL) {
def->data.ethernet.dev = dev;
dev = NULL;
}
if (address != NULL) {
def->data.ethernet.ipaddr = address;
address = NULL;
}
break;
case VIR_DOMAIN_NET_TYPE_BRIDGE:
if (bridge == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("No <source> 'bridge' attribute specified with <interface type='bridge'/>"));
goto error;
}
def->data.bridge.brname = bridge;
bridge = NULL;
if (script != NULL) {
def->data.bridge.script = script;
script = NULL;
}
if (address != NULL) {
def->data.bridge.ipaddr = address;
address = NULL;
}
break;
case VIR_DOMAIN_NET_TYPE_CLIENT:
case VIR_DOMAIN_NET_TYPE_SERVER:
case VIR_DOMAIN_NET_TYPE_MCAST:
if (port == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("No <source> 'port' attribute specified with socket interface"));
goto error;
}
if (virStrToLong_i(port, NULL, 10, &def->data.socket.port) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("Cannot parse <source> 'port' attribute with socket interface"));
goto error;
}
if (address == NULL) {
if (def->type == VIR_DOMAIN_NET_TYPE_CLIENT ||
def->type == VIR_DOMAIN_NET_TYPE_MCAST) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("No <source> 'address' attribute specified with socket interface"));
goto error;
}
} else {
def->data.socket.address = address;
address = NULL;
}
break;
case VIR_DOMAIN_NET_TYPE_INTERNAL:
if (internal == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("No <source> 'name' attribute specified with <interface type='internal'/>"));
goto error;
}
def->data.internal.name = internal;
internal = NULL;
break;
}
if (ifname != NULL) {
def->ifname = ifname;
ifname = NULL;
}
/* NIC model (see -net nic,model=?). We only check that it looks
* reasonable, not that it is a supported NIC type. FWIW kvm
* supports these types as of April 2008:
* i82551 i82557b i82559er ne2k_pci pcnet rtl8139 e1000 virtio
*/
if (model != NULL) {
int i;
for (i = 0 ; i < strlen(model) ; i++) {
int char_ok = c_isalnum(model[i]) || model[i] == '_';
if (!char_ok) {
virDomainReportError (conn, VIR_ERR_INVALID_ARG, "%s",
_("Model name contains invalid characters"));
goto error;
}
}
def->model = model;
model = NULL;
}
cleanup:
VIR_FREE(macaddr);
VIR_FREE(network);
VIR_FREE(address);
VIR_FREE(port);
VIR_FREE(ifname);
VIR_FREE(dev);
VIR_FREE(script);
VIR_FREE(bridge);
VIR_FREE(model);
VIR_FREE(type);
VIR_FREE(internal);
VIR_FREE(nic_name);
VIR_FREE(hostnet_name);
VIR_FREE(devaddr);
VIR_FREE(vlan);
return def;
error:
virDomainNetDefFree(def);
def = NULL;
goto cleanup;
}
/* Parse the XML definition for a character device
* @param node XML nodeset to parse for net definition
*
* The XML we're dealing with looks like
*
* <serial type="pty">
* <source path="/dev/pts/3"/>
* <target port="1"/>
* </serial>
*
* <serial type="dev">
* <source path="/dev/ttyS0"/>
* <target port="1"/>
* </serial>
*
* <serial type="tcp">
* <source mode="connect" host="0.0.0.0" service="2445"/>
* <target port="1"/>
* </serial>
*
* <serial type="tcp">
* <source mode="bind" host="0.0.0.0" service="2445"/>
* <target port="1"/>
* <protocol type='raw'/>
* </serial>
*
* <serial type="udp">
* <source mode="bind" host="0.0.0.0" service="2445"/>
* <source mode="connect" host="0.0.0.0" service="2445"/>
* <target port="1"/>
* </serial>
*
* <serial type="unix">
* <source mode="bind" path="/tmp/foo"/>
* <target port="1"/>
* </serial>
*
*/
static virDomainChrDefPtr
virDomainChrDefParseXML(virConnectPtr conn,
xmlNodePtr node,
int flags ATTRIBUTE_UNUSED) {
xmlNodePtr cur;
char *type = NULL;
char *bindHost = NULL;
char *bindService = NULL;
char *connectHost = NULL;
char *connectService = NULL;
char *path = NULL;
char *mode = NULL;
char *protocol = NULL;
const char *nodeName;
const char *targetType = NULL;
const char *addrStr = NULL;
const char *portStr = NULL;
virDomainChrDefPtr def;
if (VIR_ALLOC(def) < 0) {
virReportOOMError(conn);
return NULL;
}
type = virXMLPropString(node, "type");
if (type == NULL)
def->type = VIR_DOMAIN_CHR_TYPE_PTY;
else if ((def->type = virDomainChrTypeFromString(type)) < 0)
def->type = VIR_DOMAIN_CHR_TYPE_NULL;
nodeName = (const char *) node->name;
if ((def->targetType = virDomainChrTargetTypeFromString(nodeName)) < 0) {
/* channel is handled below */
if (STRNEQ(nodeName, "channel")) {
virDomainReportError(conn, VIR_ERR_XML_ERROR,
_("unknown target type for character device: %s"),
nodeName);
return NULL;
}
def->targetType = VIR_DOMAIN_CHR_TARGET_TYPE_NULL;
}
cur = node->children;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE) {
if (xmlStrEqual(cur->name, BAD_CAST "source")) {
if (mode == NULL)
mode = virXMLPropString(cur, "mode");
switch (def->type) {
case VIR_DOMAIN_CHR_TYPE_PTY:
case VIR_DOMAIN_CHR_TYPE_DEV:
case VIR_DOMAIN_CHR_TYPE_FILE:
case VIR_DOMAIN_CHR_TYPE_PIPE:
case VIR_DOMAIN_CHR_TYPE_UNIX:
if (path == NULL)
path = virXMLPropString(cur, "path");
break;
case VIR_DOMAIN_CHR_TYPE_UDP:
case VIR_DOMAIN_CHR_TYPE_TCP:
if (mode == NULL ||
STREQ((const char *)mode, "connect")) {
if (connectHost == NULL)
connectHost = virXMLPropString(cur, "host");
if (connectService == NULL)
connectService = virXMLPropString(cur, "service");
} else if (STREQ((const char *)mode, "bind")) {
if (bindHost == NULL)
bindHost = virXMLPropString(cur, "host");
if (bindService == NULL)
bindService = virXMLPropString(cur, "service");
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("Unknown source mode '%s'"),
mode);
goto error;
}
if (def->type == VIR_DOMAIN_CHR_TYPE_UDP)
VIR_FREE(mode);
}
} else if (xmlStrEqual(cur->name, BAD_CAST "protocol")) {
if (protocol == NULL)
protocol = virXMLPropString(cur, "type");
} else if (xmlStrEqual(cur->name, BAD_CAST "target")) {
/* If target type isn't set yet, expect it to be set here */
if (def->targetType == VIR_DOMAIN_CHR_TARGET_TYPE_NULL) {
targetType = virXMLPropString(cur, "type");
if (targetType == NULL) {
virDomainReportError(conn, VIR_ERR_XML_ERROR, "%s",
_("character device target does "
"not define a type"));
goto error;
}
if ((def->targetType =
virDomainChrTargetTypeFromString(targetType)) < 0)
{
virDomainReportError(conn, VIR_ERR_XML_ERROR,
_("unknown target type for "
"character device: %s"),
targetType);
goto error;
}
}
unsigned int port;
switch (def->targetType) {
case VIR_DOMAIN_CHR_TARGET_TYPE_PARALLEL:
case VIR_DOMAIN_CHR_TARGET_TYPE_SERIAL:
case VIR_DOMAIN_CHR_TARGET_TYPE_CONSOLE:
portStr = virXMLPropString(cur, "port");
if (portStr == NULL) {
/* Not required. It will be assigned automatically
* later */
break;
}
if (virStrToLong_ui(portStr, NULL, 10, &port) < 0) {
virDomainReportError(conn, VIR_ERR_XML_ERROR,
_("Invalid port number: %s"),
portStr);
goto error;
}
break;
case VIR_DOMAIN_CHR_TARGET_TYPE_GUESTFWD:
addrStr = virXMLPropString(cur, "address");
portStr = virXMLPropString(cur, "port");
if (addrStr == NULL) {
virDomainReportError(conn, VIR_ERR_XML_ERROR, "%s",
_("guestfwd channel does not "
"define a target address"));
goto error;
}
if (VIR_ALLOC(def->target.addr) < 0) {
virReportOOMError(conn);
goto error;
}
if (virSocketParseAddr(addrStr, def->target.addr, 0) < 0)
{
virDomainReportError(conn, VIR_ERR_XML_ERROR,
_("%s is not a valid address"),
addrStr);
goto error;
}
if (def->target.addr->stor.ss_family != AF_INET) {
virDomainReportError(conn, VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("guestfwd channel only supports "
"IPv4 addresses"));
goto error;
}
if (portStr == NULL) {
virDomainReportError(conn, VIR_ERR_XML_ERROR, "%s",
_("guestfwd channel does "
"not define a target port"));
goto error;
}
if (virStrToLong_ui(portStr, NULL, 10, &port) < 0) {
virDomainReportError(conn, VIR_ERR_XML_ERROR,
_("Invalid port number: %s"),
portStr);
goto error;
}
virSocketSetPort(def->target.addr, port);
break;
default:
virDomainReportError(conn, VIR_ERR_XML_ERROR,
_("unexpected target type type %u"),
def->targetType);
}
}
}
cur = cur->next;
}
switch (def->type) {
case VIR_DOMAIN_CHR_TYPE_NULL:
/* Nada */
break;
case VIR_DOMAIN_CHR_TYPE_VC:
break;
case VIR_DOMAIN_CHR_TYPE_PTY:
case VIR_DOMAIN_CHR_TYPE_DEV:
case VIR_DOMAIN_CHR_TYPE_FILE:
case VIR_DOMAIN_CHR_TYPE_PIPE:
if (path == NULL &&
def->type != VIR_DOMAIN_CHR_TYPE_PTY) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing source path attribute for char device"));
goto error;
}
def->data.file.path = path;
path = NULL;
break;
case VIR_DOMAIN_CHR_TYPE_STDIO:
/* Nada */
break;
case VIR_DOMAIN_CHR_TYPE_TCP:
if (mode == NULL ||
STREQ(mode, "connect")) {
if (connectHost == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing source host attribute for char device"));
goto error;
}
if (connectService == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing source service attribute for char device"));
goto error;
}
def->data.tcp.host = connectHost;
connectHost = NULL;
def->data.tcp.service = connectService;
connectService = NULL;
def->data.tcp.listen = 0;
} else {
if (bindHost == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing source host attribute for char device"));
goto error;
}
if (bindService == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing source service attribute for char device"));
goto error;
}
def->data.tcp.host = bindHost;
bindHost = NULL;
def->data.tcp.service = bindService;
bindService = NULL;
def->data.tcp.listen = 1;
}
if (protocol == NULL ||
STREQ(protocol, "raw"))
def->data.tcp.protocol = VIR_DOMAIN_CHR_TCP_PROTOCOL_RAW;
else if (STREQ(protocol, "telnet"))
def->data.tcp.protocol = VIR_DOMAIN_CHR_TCP_PROTOCOL_TELNET;
else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("Unknown protocol '%s'"), protocol);
goto error;
}
break;
case VIR_DOMAIN_CHR_TYPE_UDP:
if (connectService == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing source service attribute for char device"));
goto error;
}
def->data.udp.connectHost = connectHost;
connectHost = NULL;
def->data.udp.connectService = connectService;
connectService = NULL;
def->data.udp.bindHost = bindHost;
bindHost = NULL;
def->data.udp.bindService = bindService;
bindService = NULL;
break;
case VIR_DOMAIN_CHR_TYPE_UNIX:
if (path == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing source path attribute for char device"));
goto error;
}
if (mode != NULL &&
STRNEQ(mode, "connect"))
def->data.nix.listen = 1;
else
def->data.nix.listen = 0;
def->data.nix.path = path;
path = NULL;
break;
}
cleanup:
VIR_FREE(mode);
VIR_FREE(protocol);
VIR_FREE(type);
VIR_FREE(bindHost);
VIR_FREE(bindService);
VIR_FREE(connectHost);
VIR_FREE(connectService);
VIR_FREE(path);
VIR_FREE(targetType);
VIR_FREE(addrStr);
VIR_FREE(portStr);
return def;
error:
virDomainChrDefFree(def);
def = NULL;
goto cleanup;
}
/* Parse the XML definition for a network interface */
static virDomainInputDefPtr
virDomainInputDefParseXML(virConnectPtr conn,
const char *ostype,
xmlNodePtr node,
int flags ATTRIBUTE_UNUSED) {
virDomainInputDefPtr def;
char *type = NULL;
char *bus = NULL;
if (VIR_ALLOC(def) < 0) {
virReportOOMError(conn);
return NULL;
}
type = virXMLPropString(node, "type");
bus = virXMLPropString(node, "bus");
if (!type) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("missing input device type"));
goto error;
}
if ((def->type = virDomainInputTypeFromString(type)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown input device type '%s'"), type);
goto error;
}
if (bus) {
if ((def->bus = virDomainInputBusTypeFromString(bus)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown input bus type '%s'"), bus);
goto error;
}
if (STREQ(ostype, "hvm")) {
if (def->bus == VIR_DOMAIN_INPUT_BUS_PS2 && /* Only allow mouse for ps2 */
def->type != VIR_DOMAIN_INPUT_TYPE_MOUSE) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("ps2 bus does not support %s input device"),
type);
goto error;
}
if (def->bus == VIR_DOMAIN_INPUT_BUS_XEN) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unsupported input bus %s"),
bus);
goto error;
}
} else {
if (def->bus != VIR_DOMAIN_INPUT_BUS_XEN) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unsupported input bus %s"),
bus);
}
if (def->type != VIR_DOMAIN_INPUT_TYPE_MOUSE) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("xen bus does not support %s input device"),
type);
goto error;
}
}
} else {
if (STREQ(ostype, "hvm")) {
if (def->type == VIR_DOMAIN_INPUT_TYPE_MOUSE)
def->bus = VIR_DOMAIN_INPUT_BUS_PS2;
else
def->bus = VIR_DOMAIN_INPUT_BUS_USB;
} else {
def->bus = VIR_DOMAIN_INPUT_BUS_XEN;
}
}
cleanup:
VIR_FREE(type);
VIR_FREE(bus);
return def;
error:
virDomainInputDefFree(def);
def = NULL;
goto cleanup;
}
/* Parse the XML definition for a graphics device */
static virDomainGraphicsDefPtr
virDomainGraphicsDefParseXML(virConnectPtr conn,
xmlNodePtr node, int flags) {
virDomainGraphicsDefPtr def;
char *type = NULL;
if (VIR_ALLOC(def) < 0) {
virReportOOMError(conn);
return NULL;
}
type = virXMLPropString(node, "type");
if (!type) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("missing graphics device type"));
goto error;
}
if ((def->type = virDomainGraphicsTypeFromString(type)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown graphics device type '%s'"), type);
goto error;
}
if (def->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC) {
char *port = virXMLPropString(node, "port");
char *autoport;
if (port) {
if (virStrToLong_i(port, NULL, 10, &def->data.vnc.port) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("cannot parse vnc port %s"), port);
VIR_FREE(port);
goto error;
}
VIR_FREE(port);
/* Legacy compat syntax, used -1 for auto-port */
if (def->data.vnc.port == -1) {
if (flags & VIR_DOMAIN_XML_INACTIVE)
def->data.vnc.port = 0;
def->data.vnc.autoport = 1;
}
} else {
def->data.vnc.port = 0;
def->data.vnc.autoport = 1;
}
if ((autoport = virXMLPropString(node, "autoport")) != NULL) {
if (STREQ(autoport, "yes")) {
if (flags & VIR_DOMAIN_XML_INACTIVE)
def->data.vnc.port = 0;
def->data.vnc.autoport = 1;
}
VIR_FREE(autoport);
}
def->data.vnc.listenAddr = virXMLPropString(node, "listen");
def->data.vnc.passwd = virXMLPropString(node, "passwd");
def->data.vnc.keymap = virXMLPropString(node, "keymap");
} else if (def->type == VIR_DOMAIN_GRAPHICS_TYPE_SDL) {
char *fullscreen = virXMLPropString(node, "fullscreen");
if (fullscreen != NULL) {
if (STREQ(fullscreen, "yes")) {
def->data.sdl.fullscreen = 1;
} else if (STREQ(fullscreen, "no")) {
def->data.sdl.fullscreen = 0;
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown fullscreen value '%s'"), fullscreen);
VIR_FREE(fullscreen);
goto error;
}
VIR_FREE(fullscreen);
} else
def->data.sdl.fullscreen = 0;
def->data.sdl.xauth = virXMLPropString(node, "xauth");
def->data.sdl.display = virXMLPropString(node, "display");
} else if (def->type == VIR_DOMAIN_GRAPHICS_TYPE_RDP) {
char *port = virXMLPropString(node, "port");
char *autoport;
char *replaceUser;
char *multiUser;
if (port) {
if (virStrToLong_i(port, NULL, 10, &def->data.rdp.port) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("cannot parse rdp port %s"), port);
VIR_FREE(port);
goto error;
}
VIR_FREE(port);
} else {
def->data.rdp.port = 0;
def->data.rdp.autoport = 1;
}
if ((autoport = virXMLPropString(node, "autoport")) != NULL) {
if (STREQ(autoport, "yes")) {
if (flags & VIR_DOMAIN_XML_INACTIVE)
def->data.rdp.port = 0;
def->data.rdp.autoport = 1;
}
VIR_FREE(autoport);
}
if ((replaceUser = virXMLPropString(node, "replaceUser")) != NULL) {
if (STREQ(replaceUser, "yes")) {
def->data.rdp.replaceUser = 1;
}
VIR_FREE(replaceUser);
}
if ((multiUser = virXMLPropString(node, "multiUser")) != NULL) {
if (STREQ(multiUser, "yes")) {
def->data.rdp.multiUser = 1;
}
VIR_FREE(multiUser);
}
def->data.rdp.listenAddr = virXMLPropString(node, "listen");
} else if (def->type == VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP) {
char *fullscreen = virXMLPropString(node, "fullscreen");
if (fullscreen != NULL) {
if (STREQ(fullscreen, "yes")) {
def->data.desktop.fullscreen = 1;
} else if (STREQ(fullscreen, "no")) {
def->data.desktop.fullscreen = 0;
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown fullscreen value '%s'"), fullscreen);
VIR_FREE(fullscreen);
goto error;
}
VIR_FREE(fullscreen);
} else
def->data.desktop.fullscreen = 0;
def->data.desktop.display = virXMLPropString(node, "display");
}
cleanup:
VIR_FREE(type);
return def;
error:
virDomainGraphicsDefFree(def);
def = NULL;
goto cleanup;
}
static virDomainSoundDefPtr
virDomainSoundDefParseXML(virConnectPtr conn,
const xmlNodePtr node,
int flags ATTRIBUTE_UNUSED) {
char *model;
virDomainSoundDefPtr def;
if (VIR_ALLOC(def) < 0) {
virReportOOMError(conn);
return NULL;
}
model = virXMLPropString(node, "model");
if ((def->model = virDomainSoundModelTypeFromString(model)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown sound model '%s'"), model);
goto error;
}
cleanup:
VIR_FREE(model);
return def;
error:
virDomainSoundDefFree(def);
def = NULL;
goto cleanup;
}
static virDomainWatchdogDefPtr
virDomainWatchdogDefParseXML(virConnectPtr conn,
const xmlNodePtr node,
int flags ATTRIBUTE_UNUSED) {
char *model = NULL;
char *action = NULL;
virDomainWatchdogDefPtr def;
if (VIR_ALLOC (def) < 0) {
virReportOOMError (conn);
return NULL;
}
model = virXMLPropString (node, "model");
if (model == NULL) {
virDomainReportError (conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("watchdog must contain model name"));
goto error;
}
def->model = virDomainWatchdogModelTypeFromString (model);
if (def->model < 0) {
virDomainReportError (conn, VIR_ERR_INTERNAL_ERROR,
_("unknown watchdog model '%s'"), model);
goto error;
}
action = virXMLPropString (node, "action");
if (action == NULL)
def->action = VIR_DOMAIN_WATCHDOG_ACTION_RESET;
else {
def->action = virDomainWatchdogActionTypeFromString (action);
if (def->action < 0) {
virDomainReportError (conn, VIR_ERR_INTERNAL_ERROR,
_("unknown watchdog action '%s'"), action);
goto error;
}
}
cleanup:
VIR_FREE (action);
VIR_FREE (model);
return def;
error:
virDomainWatchdogDefFree (def);
def = NULL;
goto cleanup;
}
int
virDomainVideoDefaultRAM(virDomainDefPtr def,
int type)
{
switch (type) {
/* Wierd, QEMU defaults to 9 MB ??! */
case VIR_DOMAIN_VIDEO_TYPE_VGA:
case VIR_DOMAIN_VIDEO_TYPE_CIRRUS:
case VIR_DOMAIN_VIDEO_TYPE_VMVGA:
if (def->virtType == VIR_DOMAIN_VIRT_VBOX)
return 8 * 1024;
else
return 9 * 1024;
break;
case VIR_DOMAIN_VIDEO_TYPE_XEN:
/* Original Xen PVFB hardcoded to 4 MB */
return 4 * 1024;
default:
return 0;
}
}
int
virDomainVideoDefaultType(virDomainDefPtr def)
{
switch (def->virtType) {
case VIR_DOMAIN_VIRT_TEST:
case VIR_DOMAIN_VIRT_QEMU:
case VIR_DOMAIN_VIRT_KQEMU:
case VIR_DOMAIN_VIRT_KVM:
case VIR_DOMAIN_VIRT_XEN:
if (def->os.type &&
(STREQ(def->os.type, "xen") ||
STREQ(def->os.type, "linux")))
return VIR_DOMAIN_VIDEO_TYPE_XEN;
else
return VIR_DOMAIN_VIDEO_TYPE_CIRRUS;
case VIR_DOMAIN_VIRT_VBOX:
return VIR_DOMAIN_VIDEO_TYPE_VBOX;
default:
return -1;
}
}
static virDomainVideoAccelDefPtr
virDomainVideoAccelDefParseXML(virConnectPtr conn, const xmlNodePtr node) {
xmlNodePtr cur;
virDomainVideoAccelDefPtr def;
char *support3d = NULL;
char *support2d = NULL;
cur = node->children;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE) {
if ((support3d == NULL) && (support2d == NULL) &&
xmlStrEqual(cur->name, BAD_CAST "acceleration")) {
support3d = virXMLPropString(cur, "accel3d");
support2d = virXMLPropString(cur, "accel2d");
}
}
cur = cur->next;
}
if ((support3d == NULL) && (support2d == NULL))
return(NULL);
if (VIR_ALLOC(def) < 0) {
virReportOOMError(conn);
return NULL;
}
if (support3d) {
if (STREQ(support3d, "yes"))
def->support3d = 1;
else
def->support3d = 0;
VIR_FREE(support3d);
}
if (support2d) {
if (STREQ(support2d, "yes"))
def->support2d = 1;
else
def->support2d = 0;
VIR_FREE(support2d);
}
return def;
}
static virDomainVideoDefPtr
virDomainVideoDefParseXML(virConnectPtr conn,
const xmlNodePtr node,
virDomainDefPtr dom,
int flags ATTRIBUTE_UNUSED) {
virDomainVideoDefPtr def;
xmlNodePtr cur;
char *type = NULL;
char *heads = NULL;
char *vram = NULL;
if (VIR_ALLOC(def) < 0) {
virReportOOMError(conn);
return NULL;
}
cur = node->children;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE) {
if ((type == NULL) && (vram == NULL) && (heads == NULL) &&
xmlStrEqual(cur->name, BAD_CAST "model")) {
type = virXMLPropString(cur, "type");
vram = virXMLPropString(cur, "vram");
heads = virXMLPropString(cur, "heads");
def->accel = virDomainVideoAccelDefParseXML(conn, cur);
}
}
cur = cur->next;
}
if (type) {
if ((def->type = virDomainVideoTypeFromString(type)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown video model '%s'"), type);
goto error;
}
} else {
if ((def->type = virDomainVideoDefaultType(dom)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("missing video model and cannot determine default"));
goto error;
}
}
if (vram) {
if (virStrToLong_ui(vram, NULL, 10, &def->vram) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("cannot parse video ram '%s'"), vram);
goto error;
}
} else {
def->vram = virDomainVideoDefaultRAM(dom, def->type);
}
if (heads) {
if (virStrToLong_ui(heads, NULL, 10, &def->heads) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("cannot parse video heads '%s'"), heads);
goto error;
}
} else {
def->heads = 1;
}
VIR_FREE(type);
VIR_FREE(vram);
VIR_FREE(heads);
return def;
error:
virDomainVideoDefFree(def);
VIR_FREE(type);
VIR_FREE(vram);
VIR_FREE(heads);
return NULL;
}
static int
virDomainHostdevSubsysUsbDefParseXML(virConnectPtr conn,
const xmlNodePtr node,
virDomainHostdevDefPtr def,
int flags ATTRIBUTE_UNUSED) {
int ret = -1;
int got_product, got_vendor;
xmlNodePtr cur;
/* Product can validly be 0, so we need some extra help to determine
* if it is uninitialized*/
got_product = 0;
got_vendor = 0;
cur = node->children;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE) {
if (xmlStrEqual(cur->name, BAD_CAST "vendor")) {
char *vendor = virXMLPropString(cur, "id");
if (vendor) {
got_vendor = 1;
if (virStrToLong_ui(vendor, NULL, 0,
&def->source.subsys.u.usb.vendor) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("cannot parse vendor id %s"), vendor);
VIR_FREE(vendor);
goto out;
}
VIR_FREE(vendor);
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("usb vendor needs id"));
goto out;
}
} else if (xmlStrEqual(cur->name, BAD_CAST "product")) {
char* product = virXMLPropString(cur, "id");
if (product) {
got_product = 1;
if (virStrToLong_ui(product, NULL, 0,
&def->source.subsys.u.usb.product) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("cannot parse product %s"),
product);
VIR_FREE(product);
goto out;
}
VIR_FREE(product);
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("usb product needs id"));
goto out;
}
} else if (xmlStrEqual(cur->name, BAD_CAST "address")) {
char *bus, *device;
bus = virXMLPropString(cur, "bus");
if (bus) {
if (virStrToLong_ui(bus, NULL, 0,
&def->source.subsys.u.usb.bus) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("cannot parse bus %s"), bus);
VIR_FREE(bus);
goto out;
}
VIR_FREE(bus);
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("usb address needs bus id"));
goto out;
}
device = virXMLPropString(cur, "device");
if (device) {
if (virStrToLong_ui(device, NULL, 0,
&def->source.subsys.u.usb.device) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("cannot parse device %s"),
device);
VIR_FREE(device);
goto out;
}
VIR_FREE(device);
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("usb address needs device id"));
goto out;
}
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown usb source type '%s'"),
cur->name);
goto out;
}
}
cur = cur->next;
}
if (got_vendor && def->source.subsys.u.usb.vendor == 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("vendor cannot be 0."));
goto out;
}
if (!got_vendor && got_product) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("missing vendor"));
goto out;
}
if (got_vendor && !got_product) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("missing product"));
goto out;
}
ret = 0;
out:
return ret;
}
static int
virDomainHostdevSubsysPciDefParseXML(virConnectPtr conn,
const xmlNodePtr node,
virDomainHostdevDefPtr def,
int flags) {
int ret = -1;
xmlNodePtr cur;
cur = node->children;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE) {
if (xmlStrEqual(cur->name, BAD_CAST "address")) {
char *domain = virXMLPropString(cur, "domain");
if (domain) {
if (virStrToLong_ui(domain, NULL, 0,
&def->source.subsys.u.pci.domain) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("cannot parse domain %s"),
domain);
VIR_FREE(domain);
goto out;
}
VIR_FREE(domain);
}
char *bus = virXMLPropString(cur, "bus");
if (bus) {
if (virStrToLong_ui(bus, NULL, 0,
&def->source.subsys.u.pci.bus) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("cannot parse bus %s"), bus);
VIR_FREE(bus);
goto out;
}
VIR_FREE(bus);
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("pci address needs bus id"));
goto out;
}
char *slot = virXMLPropString(cur, "slot");
if (slot) {
if (virStrToLong_ui(slot, NULL, 0,
&def->source.subsys.u.pci.slot) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("cannot parse slot %s"),
slot);
VIR_FREE(slot);
goto out;
}
VIR_FREE(slot);
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("pci address needs slot id"));
goto out;
}
char *function = virXMLPropString(cur, "function");
if (function) {
if (virStrToLong_ui(function, NULL, 0,
&def->source.subsys.u.pci.function) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("cannot parse function %s"),
function);
VIR_FREE(function);
goto out;
}
VIR_FREE(function);
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("pci address needs function id"));
goto out;
}
} else if ((flags & VIR_DOMAIN_XML_INTERNAL_STATUS) &&
xmlStrEqual(cur->name, BAD_CAST "state")) {
char *devaddr = virXMLPropString(cur, "devaddr");
if (devaddr &&
sscanf(devaddr, "%x:%x:%x",
&def->source.subsys.u.pci.guest_addr.domain,
&def->source.subsys.u.pci.guest_addr.bus,
&def->source.subsys.u.pci.guest_addr.slot) < 3) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("Unable to parse devaddr parameter '%s'"),
devaddr);
VIR_FREE(devaddr);
goto out;
}
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown pci source type '%s'"),
cur->name);
goto out;
}
}
cur = cur->next;
}
ret = 0;
out:
return ret;
}
static virDomainHostdevDefPtr
virDomainHostdevDefParseXML(virConnectPtr conn,
const xmlNodePtr node,
int flags) {
xmlNodePtr cur;
virDomainHostdevDefPtr def;
char *mode, *type = NULL, *managed = NULL;
if (VIR_ALLOC(def) < 0) {
virReportOOMError(conn);
return NULL;
}
def->target = NULL;
mode = virXMLPropString(node, "mode");
if (mode) {
if ((def->mode=virDomainHostdevModeTypeFromString(mode)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown hostdev mode '%s'"), mode);
goto error;
}
} else {
def->mode = VIR_DOMAIN_HOSTDEV_MODE_SUBSYS;
}
type = virXMLPropString(node, "type");
if (type) {
if ((def->source.subsys.type = virDomainHostdevSubsysTypeFromString(type)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown host device type '%s'"), type);
goto error;
}
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("missing type in hostdev"));
goto error;
}
managed = virXMLPropString(node, "managed");
if (managed != NULL) {
if (STREQ(managed, "yes"))
def->managed = 1;
VIR_FREE(managed);
}
cur = node->children;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE) {
if (xmlStrEqual(cur->name, BAD_CAST "source")) {
if (def->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
def->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB) {
if (virDomainHostdevSubsysUsbDefParseXML(conn, cur,
def, flags) < 0)
goto error;
}
if (def->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
def->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) {
if (virDomainHostdevSubsysPciDefParseXML(conn, cur, def, flags) < 0)
goto error;
}
} else {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown node %s"), cur->name);
}
}
cur = cur->next;
}
cleanup:
VIR_FREE(type);
VIR_FREE(mode);
return def;
error:
virDomainHostdevDefFree(def);
def = NULL;
goto cleanup;
}
static int virDomainLifecycleParseXML(virConnectPtr conn,
xmlXPathContextPtr ctxt,
const char *xpath,
int *val,
int defaultVal)
{
char *tmp = virXPathString(conn, xpath, ctxt);
if (tmp == NULL) {
*val = defaultVal;
} else {
*val = virDomainLifecycleTypeFromString(tmp);
if (*val < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown lifecycle action %s"), tmp);
VIR_FREE(tmp);
return -1;
}
VIR_FREE(tmp);
}
return 0;
}
static int
virSecurityLabelDefParseXML(virConnectPtr conn,
const virDomainDefPtr def,
xmlXPathContextPtr ctxt,
int flags)
{
char *p;
if (virXPathNode(conn, "./seclabel", ctxt) == NULL)
return 0;
p = virXPathStringLimit(conn, "string(./seclabel/@type)",
VIR_SECURITY_LABEL_BUFLEN-1, ctxt);
if (p == NULL) {
virDomainReportError(conn, VIR_ERR_XML_ERROR,
"%s", _("missing security type"));
goto error;
}
def->seclabel.type = virDomainSeclabelTypeFromString(p);
VIR_FREE(p);
if (def->seclabel.type < 0) {
virDomainReportError(conn, VIR_ERR_XML_ERROR,
"%s", _("invalid security type"));
goto error;
}
/* Only parse details, if using static labels, or
* if the 'live' VM XML is requested
*/
if (def->seclabel.type == VIR_DOMAIN_SECLABEL_STATIC ||
!(flags & VIR_DOMAIN_XML_INACTIVE)) {
p = virXPathStringLimit(conn, "string(./seclabel/@model)",
VIR_SECURITY_MODEL_BUFLEN-1, ctxt);
if (p == NULL) {
virDomainReportError(conn, VIR_ERR_XML_ERROR,
"%s", _("missing security model"));
goto error;
}
def->seclabel.model = p;
p = virXPathStringLimit(conn, "string(./seclabel/label[1])",
VIR_SECURITY_LABEL_BUFLEN-1, ctxt);
if (p == NULL) {
virDomainReportError(conn, VIR_ERR_XML_ERROR,
"%s", _("security label is missing"));
goto error;
}
def->seclabel.label = p;
}
/* Only parse imagelabel, if requested live XML for dynamic label */
if (def->seclabel.type == VIR_DOMAIN_SECLABEL_DYNAMIC &&
!(flags & VIR_DOMAIN_XML_INACTIVE)) {
p = virXPathStringLimit(conn, "string(./seclabel/imagelabel[1])",
VIR_SECURITY_LABEL_BUFLEN-1, ctxt);
if (p == NULL) {
virDomainReportError(conn, VIR_ERR_XML_ERROR,
"%s", _("security imagelabel is missing"));
goto error;
}
def->seclabel.imagelabel = p;
}
return 0;
error:
virSecurityLabelDefFree(def);
return -1;
}
virDomainDeviceDefPtr virDomainDeviceDefParse(virConnectPtr conn,
virCapsPtr caps,
const virDomainDefPtr def,
const char *xmlStr,
int flags)
{
xmlDocPtr xml;
xmlNodePtr node;
virDomainDeviceDefPtr dev = NULL;
if (!(xml = xmlReadDoc(BAD_CAST xmlStr, "device.xml", NULL,
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOERROR | XML_PARSE_NOWARNING))) {
virDomainReportError(conn, VIR_ERR_XML_ERROR, NULL);
goto error;
}
node = xmlDocGetRootElement(xml);
if (node == NULL) {
virDomainReportError(conn, VIR_ERR_XML_ERROR,
"%s", _("missing root element"));
goto error;
}
if (VIR_ALLOC(dev) < 0) {
virReportOOMError(conn);
goto error;
}
if (xmlStrEqual(node->name, BAD_CAST "disk")) {
dev->type = VIR_DOMAIN_DEVICE_DISK;
if (!(dev->data.disk = virDomainDiskDefParseXML(conn, node, flags)))
goto error;
} else if (xmlStrEqual(node->name, BAD_CAST "filesystem")) {
dev->type = VIR_DOMAIN_DEVICE_FS;
if (!(dev->data.fs = virDomainFSDefParseXML(conn, node, flags)))
goto error;
} else if (xmlStrEqual(node->name, BAD_CAST "interface")) {
dev->type = VIR_DOMAIN_DEVICE_NET;
if (!(dev->data.net = virDomainNetDefParseXML(conn, caps, node, flags)))
goto error;
} else if (xmlStrEqual(node->name, BAD_CAST "input")) {
dev->type = VIR_DOMAIN_DEVICE_INPUT;
if (!(dev->data.input = virDomainInputDefParseXML(conn, def->os.type,
node, flags)))
goto error;
} else if (xmlStrEqual(node->name, BAD_CAST "sound")) {
dev->type = VIR_DOMAIN_DEVICE_SOUND;
if (!(dev->data.sound = virDomainSoundDefParseXML(conn, node, flags)))
goto error;
} else if (xmlStrEqual(node->name, BAD_CAST "watchdog")) {
dev->type = VIR_DOMAIN_DEVICE_WATCHDOG;
if (!(dev->data.watchdog = virDomainWatchdogDefParseXML(conn, node,
flags)))
goto error;
} else if (xmlStrEqual(node->name, BAD_CAST "video")) {
dev->type = VIR_DOMAIN_DEVICE_VIDEO;
if (!(dev->data.video = virDomainVideoDefParseXML(conn, node, def, flags)))
goto error;
} else if (xmlStrEqual(node->name, BAD_CAST "hostdev")) {
dev->type = VIR_DOMAIN_DEVICE_HOSTDEV;
if (!(dev->data.hostdev = virDomainHostdevDefParseXML(conn, node, flags)))
goto error;
} else {
virDomainReportError(conn, VIR_ERR_XML_ERROR,
"%s", _("unknown device type"));
goto error;
}
xmlFreeDoc(xml);
return dev;
error:
xmlFreeDoc(xml);
VIR_FREE(dev);
return NULL;
}
#endif
int virDomainDiskInsert(virDomainDefPtr def,
virDomainDiskDefPtr disk)
{
if (VIR_REALLOC_N(def->disks, def->ndisks+1) < 0)
return -1;
virDomainDiskInsertPreAlloced(def, disk);
return 0;
}
void virDomainDiskInsertPreAlloced(virDomainDefPtr def,
virDomainDiskDefPtr disk)
{
int i;
/* Tenatively plan to insert disk at the end. */
int insertAt = -1;
/* Then work backwards looking for disks on
* the same bus. If we find a disk with a drive
* index greater than the new one, insert at
* that position
*/
for (i = (def->ndisks - 1) ; i >= 0 ; i--) {
/* If bus matches and current disk is after
* new disk, then new disk should go here */
if (def->disks[i]->bus == disk->bus &&
(virDiskNameToIndex(def->disks[i]->dst) >
virDiskNameToIndex(disk->dst))) {
insertAt = i;
} else if (def->disks[i]->bus == disk->bus &&
insertAt == -1) {
/* Last disk with match bus is before the
* new disk, then put new disk just after
*/
insertAt = i + 1;
}
}
/* No disks with this bus yet, so put at end of list */
if (insertAt == -1)
insertAt = def->ndisks;
if (insertAt < def->ndisks)
memmove(def->disks + insertAt + 1,
def->disks + insertAt,
(sizeof(def->disks[0]) * (def->ndisks-insertAt)));
def->disks[insertAt] = disk;
def->ndisks++;
}
#ifndef PROXY
static char *virDomainDefDefaultEmulator(virConnectPtr conn,
virDomainDefPtr def,
virCapsPtr caps) {
const char *type;
const char *emulator;
char *retemu;
type = virDomainVirtTypeToString(def->virtType);
if (!type) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("unknown virt type"));
return NULL;
}
emulator = virCapabilitiesDefaultGuestEmulator(caps,
def->os.type,
def->os.arch,
type);
if (!emulator) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("no emulator for domain %s os type %s on architecture %s"),
type, def->os.type, def->os.arch);
return NULL;
}
retemu = strdup(emulator);
if (!retemu)
virReportOOMError(conn);
return retemu;
}
static virDomainDefPtr virDomainDefParseXML(virConnectPtr conn,
virCapsPtr caps,
xmlXPathContextPtr ctxt, int flags)
{
xmlNodePtr *nodes = NULL, node = NULL;
char *tmp = NULL;
int i, n;
long id = -1;
virDomainDefPtr def;
if (VIR_ALLOC(def) < 0) {
virReportOOMError(conn);
return NULL;
}
if (!(flags & VIR_DOMAIN_XML_INACTIVE))
if ((virXPathLong(conn, "string(./@id)", ctxt, &id)) < 0)
id = -1;
def->id = (int)id;
/* Find out what type of virtualization to use */
if (!(tmp = virXPathString(conn, "string(./@type)", ctxt))) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("missing domain type attribute"));
goto error;
}
if ((def->virtType = virDomainVirtTypeFromString(tmp)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("invalid domain type %s"), tmp);
goto error;
}
VIR_FREE(tmp);
/* Extract domain name */
if (!(def->name = virXPathString(conn, "string(./name[1])", ctxt))) {
virDomainReportError(conn, VIR_ERR_NO_NAME, NULL);
goto error;
}
/* Extract domain uuid */
tmp = virXPathString(conn, "string(./uuid[1])", ctxt);
if (!tmp) {
if (virUUIDGenerate(def->uuid)) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("Failed to generate UUID"));
goto error;
}
} else {
if (virUUIDParse(tmp, def->uuid) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("malformed uuid element"));
goto error;
}
VIR_FREE(tmp);
}
/* Extract documentation if present */
def->description = virXPathString(conn, "string(./description[1])", ctxt);
/* Extract domain memory */
if (virXPathULong(conn, "string(./memory[1])", ctxt, &def->maxmem) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("missing memory element"));
goto error;
}
if (virXPathULong(conn, "string(./currentMemory[1])", ctxt, &def->memory) < 0)
def->memory = def->maxmem;
node = virXPathNode(conn, "./memoryBacking/hugepages", ctxt);
if (node)
def->hugepage_backed = 1;
if (virXPathULong(conn, "string(./vcpu[1])", ctxt, &def->vcpus) < 0)
def->vcpus = 1;
tmp = virXPathString(conn, "string(./vcpu[1]/@cpuset)", ctxt);
if (tmp) {
char *set = tmp;
def->cpumasklen = VIR_DOMAIN_CPUMASK_LEN;
if (VIR_ALLOC_N(def->cpumask, def->cpumasklen) < 0) {
virReportOOMError(conn);
goto error;
}
if (virDomainCpuSetParse(conn, (const char **)&set,
0, def->cpumask,
def->cpumasklen) < 0)
goto error;
VIR_FREE(tmp);
}
n = virXPathNodeSet(conn, "./features/*", ctxt, &nodes);
if (n < 0)
goto error;
if (n) {
for (i = 0 ; i < n ; i++) {
int val = virDomainFeatureTypeFromString((const char *)nodes[i]->name);
if (val < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected feature %s"),
nodes[i]->name);
goto error;
}
def->features |= (1 << val);
}
VIR_FREE(nodes);
}
if (virDomainLifecycleParseXML(conn, ctxt, "string(./on_reboot[1])",
&def->onReboot, VIR_DOMAIN_LIFECYCLE_RESTART) < 0)
goto error;
if (virDomainLifecycleParseXML(conn, ctxt, "string(./on_poweroff[1])",
&def->onPoweroff, VIR_DOMAIN_LIFECYCLE_DESTROY) < 0)
goto error;
if (virDomainLifecycleParseXML(conn, ctxt, "string(./on_crash[1])",
&def->onCrash, VIR_DOMAIN_LIFECYCLE_DESTROY) < 0)
goto error;
tmp = virXPathString(conn, "string(./clock/@offset)", ctxt);
if (tmp && STREQ(tmp, "localtime"))
def->localtime = 1;
VIR_FREE(tmp);
def->os.bootloader = virXPathString(conn, "string(./bootloader)", ctxt);
def->os.bootloaderArgs = virXPathString(conn, "string(./bootloader_args)", ctxt);
def->os.type = virXPathString(conn, "string(./os/type[1])", ctxt);
if (!def->os.type) {
if (def->os.bootloader) {
def->os.type = strdup("xen");
if (!def->os.type) {
virReportOOMError(conn);
goto error;
}
} else {
virDomainReportError(conn, VIR_ERR_OS_TYPE,
"%s", _("no OS type"));
goto error;
}
}
/*
* HACK: For xen driver we previously used bogus 'linux' as the
* os type for paravirt, whereas capabilities declare it to
* be 'xen'. So we accept the former and convert
*/
if (STREQ(def->os.type, "linux") &&
def->virtType == VIR_DOMAIN_VIRT_XEN) {
VIR_FREE(def->os.type);
if (!(def->os.type = strdup("xen"))) {
virReportOOMError(conn);
goto error;
}
}
if (!virCapabilitiesSupportsGuestOSType(caps, def->os.type)) {
virDomainReportError(conn, VIR_ERR_OS_TYPE,
"%s", def->os.type);
goto error;
}
def->os.arch = virXPathString(conn, "string(./os/type[1]/@arch)", ctxt);
if (def->os.arch) {
if (!virCapabilitiesSupportsGuestArch(caps, def->os.type, def->os.arch)) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("os type '%s' & arch '%s' combination is not supported"),
def->os.type, def->os.arch);
goto error;
}
} else {
const char *defaultArch = virCapabilitiesDefaultGuestArch(caps, def->os.type, virDomainVirtTypeToString(def->virtType));
if (defaultArch == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("no supported architecture for os type '%s'"),
def->os.type);
goto error;
}
if (!(def->os.arch = strdup(defaultArch))) {
virReportOOMError(conn);
goto error;
}
}
def->os.machine = virXPathString(conn, "string(./os/type[1]/@machine)", ctxt);
if (!def->os.machine) {
const char *defaultMachine = virCapabilitiesDefaultGuestMachine(caps,
def->os.type,
def->os.arch,
virDomainVirtTypeToString(def->virtType));
if (defaultMachine != NULL) {
if (!(def->os.machine = strdup(defaultMachine))) {
virReportOOMError(conn);
goto error;
}
}
}
/*
* Booting options for different OS types....
*
* - A bootloader (and optional kernel+initrd) (xen)
* - A kernel + initrd (xen)
* - A boot device (and optional kernel+initrd) (hvm)
* - An init script (exe)
*/
if (STREQ(def->os.type, "exe")) {
def->os.init = virXPathString(conn, "string(./os/init[1])", ctxt);
}
if (STREQ(def->os.type, "xen") ||
STREQ(def->os.type, "hvm") ||
STREQ(def->os.type, "uml")) {
def->os.kernel = virXPathString(conn, "string(./os/kernel[1])", ctxt);
def->os.initrd = virXPathString(conn, "string(./os/initrd[1])", ctxt);
def->os.cmdline = virXPathString(conn, "string(./os/cmdline[1])", ctxt);
def->os.root = virXPathString(conn, "string(./os/root[1])", ctxt);
def->os.loader = virXPathString(conn, "string(./os/loader[1])", ctxt);
}
if (STREQ(def->os.type, "hvm")) {
/* analysis of the boot devices */
if ((n = virXPathNodeSet(conn, "./os/boot", ctxt, &nodes)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot extract boot device"));
goto error;
}
for (i = 0 ; i < n && i < VIR_DOMAIN_BOOT_LAST ; i++) {
int val;
char *dev = virXMLPropString(nodes[i], "dev");
if (!dev) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("missing boot device"));
goto error;
}
if ((val = virDomainBootTypeFromString(dev)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unknown boot device '%s'"),
dev);
VIR_FREE(dev);
goto error;
}
VIR_FREE(dev);
def->os.bootDevs[def->os.nBootDevs++] = val;
}
if (def->os.nBootDevs == 0) {
def->os.nBootDevs = 1;
def->os.bootDevs[0] = VIR_DOMAIN_BOOT_DISK;
}
VIR_FREE(nodes);
}
def->emulator = virXPathString(conn, "string(./devices/emulator[1])", ctxt);
if (!def->emulator && virCapabilitiesIsEmulatorRequired(caps)) {
def->emulator = virDomainDefDefaultEmulator(conn, def, caps);
if (!def->emulator)
goto error;
}
/* analysis of the disk devices */
if ((n = virXPathNodeSet(conn, "./devices/disk", ctxt, &nodes)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot extract disk devices"));
goto error;
}
if (n && VIR_ALLOC_N(def->disks, n) < 0)
goto no_memory;
for (i = 0 ; i < n ; i++) {
virDomainDiskDefPtr disk = virDomainDiskDefParseXML(conn,
nodes[i],
flags);
if (!disk)
goto error;
def->disks[def->ndisks++] = disk;
}
VIR_FREE(nodes);
/* analysis of the filesystems */
if ((n = virXPathNodeSet(conn, "./devices/filesystem", ctxt, &nodes)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot extract filesystem devices"));
goto error;
}
if (n && VIR_ALLOC_N(def->fss, n) < 0)
goto no_memory;
for (i = 0 ; i < n ; i++) {
virDomainFSDefPtr fs = virDomainFSDefParseXML(conn,
nodes[i],
flags);
if (!fs)
goto error;
def->fss[def->nfss++] = fs;
}
VIR_FREE(nodes);
/* analysis of the network devices */
if ((n = virXPathNodeSet(conn, "./devices/interface", ctxt, &nodes)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot extract network devices"));
goto error;
}
if (n && VIR_ALLOC_N(def->nets, n) < 0)
goto no_memory;
for (i = 0 ; i < n ; i++) {
virDomainNetDefPtr net = virDomainNetDefParseXML(conn,
caps,
nodes[i],
flags);
if (!net)
goto error;
def->nets[def->nnets++] = net;
}
VIR_FREE(nodes);
/* analysis of the character devices */
if ((n = virXPathNodeSet(conn, "./devices/parallel", ctxt, &nodes)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot extract parallel devices"));
goto error;
}
if (n && VIR_ALLOC_N(def->parallels, n) < 0)
goto no_memory;
for (i = 0 ; i < n ; i++) {
virDomainChrDefPtr chr = virDomainChrDefParseXML(conn,
nodes[i],
flags);
if (!chr)
goto error;
chr->target.port = i;
def->parallels[def->nparallels++] = chr;
}
VIR_FREE(nodes);
if ((n = virXPathNodeSet(conn, "./devices/serial", ctxt, &nodes)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot extract serial devices"));
goto error;
}
if (n && VIR_ALLOC_N(def->serials, n) < 0)
goto no_memory;
for (i = 0 ; i < n ; i++) {
virDomainChrDefPtr chr = virDomainChrDefParseXML(conn,
nodes[i],
flags);
if (!chr)
goto error;
chr->target.port = i;
def->serials[def->nserials++] = chr;
}
VIR_FREE(nodes);
if ((node = virXPathNode(conn, "./devices/console[1]", ctxt)) != NULL) {
virDomainChrDefPtr chr = virDomainChrDefParseXML(conn,
node,
flags);
if (!chr)
goto error;
chr->target.port = 0;
/*
* For HVM console actually created a serial device
* while for non-HVM it was a parvirt console
*/
if (STREQ(def->os.type, "hvm")) {
if (def->nserials != 0) {
virDomainChrDefFree(chr);
} else {
if (VIR_ALLOC_N(def->serials, 1) < 0) {
virDomainChrDefFree(chr);
goto no_memory;
}
def->nserials = 1;
def->serials[0] = chr;
}
} else {
def->console = chr;
}
}
if ((n = virXPathNodeSet(conn, "./devices/channel", ctxt, &nodes)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot extract channel devices"));
goto error;
}
if (n && VIR_ALLOC_N(def->channels, n) < 0)
goto no_memory;
for (i = 0 ; i < n ; i++) {
virDomainChrDefPtr chr = virDomainChrDefParseXML(conn,
nodes[i],
flags);
if (!chr)
goto error;
def->channels[def->nchannels++] = chr;
}
VIR_FREE(nodes);
/* analysis of the input devices */
if ((n = virXPathNodeSet(conn, "./devices/input", ctxt, &nodes)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot extract input devices"));
goto error;
}
if (n && VIR_ALLOC_N(def->inputs, n) < 0)
goto no_memory;
for (i = 0 ; i < n ; i++) {
virDomainInputDefPtr input = virDomainInputDefParseXML(conn,
def->os.type,
nodes[i],
flags);
if (!input)
goto error;
/* With QEMU / KVM / Xen graphics, mouse + PS/2 is implicit
* with graphics, so don't store it.
* XXX will this be true for other virt types ? */
if ((STREQ(def->os.type, "hvm") &&
input->bus == VIR_DOMAIN_INPUT_BUS_PS2 &&
input->type == VIR_DOMAIN_INPUT_TYPE_MOUSE) ||
(STRNEQ(def->os.type, "hvm") &&
input->bus == VIR_DOMAIN_INPUT_BUS_XEN &&
input->type == VIR_DOMAIN_INPUT_TYPE_MOUSE)) {
virDomainInputDefFree(input);
continue;
}
def->inputs[def->ninputs++] = input;
}
VIR_FREE(nodes);
/* analysis of the graphics devices */
if ((n = virXPathNodeSet(conn, "./devices/graphics", ctxt, &nodes)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot extract graphics devices"));
goto error;
}
if (n && VIR_ALLOC_N(def->graphics, n) < 0)
goto no_memory;
for (i = 0 ; i < n ; i++) {
virDomainGraphicsDefPtr graphics = virDomainGraphicsDefParseXML(conn,
nodes[i],
flags);
if (!graphics)
goto error;
def->graphics[def->ngraphics++] = graphics;
}
VIR_FREE(nodes);
/* If graphics are enabled, there's an implicit PS2 mouse */
if (def->ngraphics > 0) {
virDomainInputDefPtr input;
if (VIR_ALLOC(input) < 0) {
virReportOOMError(conn);
goto error;
}
if (STREQ(def->os.type, "hvm")) {
input->type = VIR_DOMAIN_INPUT_TYPE_MOUSE;
input->bus = VIR_DOMAIN_INPUT_BUS_PS2;
} else {
input->type = VIR_DOMAIN_INPUT_TYPE_MOUSE;
input->bus = VIR_DOMAIN_INPUT_BUS_XEN;
}
if (VIR_REALLOC_N(def->inputs, def->ninputs + 1) < 0) {
virDomainInputDefFree(input);
goto no_memory;
}
def->inputs[def->ninputs] = input;
def->ninputs++;
}
/* analysis of the sound devices */
if ((n = virXPathNodeSet(conn, "./devices/sound", ctxt, &nodes)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot extract sound devices"));
goto error;
}
if (n && VIR_ALLOC_N(def->sounds, n) < 0)
goto no_memory;
for (i = 0 ; i < n ; i++) {
int collision = 0, j;
virDomainSoundDefPtr sound = virDomainSoundDefParseXML(conn,
nodes[i],
flags);
if (!sound)
goto error;
/* Verify there's no duplicated sound card */
for (j = 0 ; j < def->nsounds ; j++) {
if (def->sounds[j]->model == sound->model)
collision = 1;
}
if (collision) {
virDomainSoundDefFree(sound);
continue;
}
def->sounds[def->nsounds++] = sound;
}
VIR_FREE(nodes);
/* analysis of the video devices */
if ((n = virXPathNodeSet(conn, "./devices/video", ctxt, &nodes)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot extract video devices"));
goto error;
}
if (n && VIR_ALLOC_N(def->videos, n) < 0)
goto no_memory;
for (i = 0 ; i < n ; i++) {
virDomainVideoDefPtr video = virDomainVideoDefParseXML(conn,
nodes[i],
def,
flags);
if (!video)
goto error;
def->videos[def->nvideos++] = video;
}
VIR_FREE(nodes);
/* For backwards compatability, if no <video> tag is set but there
* is a <graphics> tag, then we add a single video tag */
if (def->ngraphics && !def->nvideos) {
virDomainVideoDefPtr video;
if (VIR_ALLOC(video) < 0)
goto no_memory;
video->type = virDomainVideoDefaultType(def);
if (video->type < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("cannot determine default video type"));
VIR_FREE(video);
goto error;
}
video->vram = virDomainVideoDefaultRAM(def, video->type);
video->heads = 1;
if (VIR_ALLOC_N(def->videos, 1) < 0) {
virDomainVideoDefFree(video);
goto no_memory;
}
def->videos[def->nvideos++] = video;
}
/* analysis of the host devices */
if ((n = virXPathNodeSet(conn, "./devices/hostdev", ctxt, &nodes)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot extract host devices"));
goto error;
}
if (n && VIR_ALLOC_N(def->hostdevs, n) < 0)
goto no_memory;
for (i = 0 ; i < n ; i++) {
virDomainHostdevDefPtr hostdev = virDomainHostdevDefParseXML(conn,
nodes[i],
flags);
if (!hostdev)
goto error;
def->hostdevs[def->nhostdevs++] = hostdev;
}
VIR_FREE(nodes);
/* analysis of the watchdog devices */
def->watchdog = NULL;
if ((n = virXPathNodeSet(conn, "./devices/watchdog", ctxt, &nodes)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot extract watchdog devices"));
goto error;
}
if (n > 1) {
virDomainReportError (conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("only a single watchdog device is supported"));
goto error;
}
if (n > 0) {
virDomainWatchdogDefPtr watchdog =
virDomainWatchdogDefParseXML (conn, nodes[0], flags);
if (!watchdog)
goto error;
def->watchdog = watchdog;
VIR_FREE(nodes);
}
/* analysis of security label */
if (virSecurityLabelDefParseXML(conn, def, ctxt, flags) == -1)
goto error;
return def;
no_memory:
virReportOOMError(conn);
/* fallthrough */
error:
VIR_FREE(tmp);
VIR_FREE(nodes);
virDomainDefFree(def);
return NULL;
}
static virDomainObjPtr virDomainObjParseXML(virConnectPtr conn,
virCapsPtr caps,
xmlXPathContextPtr ctxt)
{
char *tmp = NULL;
long val;
xmlNodePtr config;
xmlNodePtr oldnode;
virDomainObjPtr obj;
char *monitorpath;
xmlNodePtr *nodes = NULL;
int n, i;
if (!(obj = virDomainObjNew(conn, caps)))
return NULL;
if (!(config = virXPathNode(conn, "./domain", ctxt))) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("no domain config"));
goto error;
}
oldnode = ctxt->node;
ctxt->node = config;
obj->def = virDomainDefParseXML(conn, caps, ctxt,
VIR_DOMAIN_XML_INTERNAL_STATUS);
ctxt->node = oldnode;
if (!obj->def)
goto error;
if (!(tmp = virXPathString(conn, "string(./@state)", ctxt))) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("missing domain state"));
goto error;
}
if ((obj->state = virDomainStateTypeFromString(tmp)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("invalid domain state '%s'"), tmp);
VIR_FREE(tmp);
goto error;
}
VIR_FREE(tmp);
if ((virXPathLong(conn, "string(./@pid)", ctxt, &val)) < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("invalid pid"));
goto error;
}
obj->pid = (pid_t)val;
if (VIR_ALLOC(obj->monitor_chr) < 0) {
virReportOOMError(conn);
goto error;
}
if (!(monitorpath =
virXPathString(conn, "string(./monitor[1]/@path)", ctxt))) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("no monitor path"));
goto error;
}
tmp = virXPathString(conn, "string(./monitor[1]/@type)", ctxt);
if (tmp)
obj->monitor_chr->type = virDomainChrTypeFromString(tmp);
else
obj->monitor_chr->type = VIR_DOMAIN_CHR_TYPE_PTY;
VIR_FREE(tmp);
switch (obj->monitor_chr->type) {
case VIR_DOMAIN_CHR_TYPE_PTY:
obj->monitor_chr->data.file.path = monitorpath;
break;
case VIR_DOMAIN_CHR_TYPE_UNIX:
obj->monitor_chr->data.nix.path = monitorpath;
break;
default:
VIR_FREE(monitorpath);
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unsupported monitor type '%s'"),
virDomainChrTypeToString(obj->monitor_chr->type));
break;
}
n = virXPathNodeSet(conn, "./vcpus/vcpu", ctxt, &nodes);
if (n < 0)
goto error;
if (n) {
obj->nvcpupids = n;
if (VIR_REALLOC_N(obj->vcpupids, obj->nvcpupids) < 0) {
virReportOOMError(conn);
goto error;
}
for (i = 0 ; i < n ; i++) {
char *pidstr = virXMLPropString(nodes[i], "pid");
if (!pidstr)
goto error;
if (virStrToLong_i(pidstr, NULL, 10, &(obj->vcpupids[i])) < 0) {
VIR_FREE(pidstr);
goto error;
}
VIR_FREE(pidstr);
}
VIR_FREE(nodes);
}
return obj;
error:
VIR_FREE(nodes);
virDomainChrDefFree(obj->monitor_chr);
virDomainObjUnref(obj);
return NULL;
}
/* Called from SAX on parsing errors in the XML. */
static void
catchXMLError (void *ctx, const char *msg ATTRIBUTE_UNUSED, ...)
{
xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
if (ctxt) {
virConnectPtr conn = ctxt->_private;
if (virGetLastError() == NULL &&
ctxt->lastError.level == XML_ERR_FATAL &&
ctxt->lastError.message != NULL) {
virDomainReportError (conn, VIR_ERR_XML_DETAIL,
_("at line %d: %s"),
ctxt->lastError.line,
ctxt->lastError.message);
}
}
}
virDomainDefPtr virDomainDefParseString(virConnectPtr conn,
virCapsPtr caps,
const char *xmlStr,
int flags)
{
xmlParserCtxtPtr pctxt;
xmlDocPtr xml = NULL;
xmlNodePtr root;
virDomainDefPtr def = NULL;
/* Set up a parser context so we can catch the details of XML errors. */
pctxt = xmlNewParserCtxt ();
if (!pctxt || !pctxt->sax)
goto cleanup;
pctxt->sax->error = catchXMLError;
pctxt->_private = conn;
if (conn) virResetError (&conn->err);
xml = xmlCtxtReadDoc (pctxt, BAD_CAST xmlStr, "domain.xml", NULL,
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
if (!xml) {
if (virGetLastError() == NULL)
virDomainReportError(conn, VIR_ERR_XML_ERROR,
"%s", _("failed to parse xml document"));
goto cleanup;
}
if ((root = xmlDocGetRootElement(xml)) == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("missing root element"));
goto cleanup;
}
def = virDomainDefParseNode(conn, caps, xml, root, flags);
cleanup:
xmlFreeParserCtxt (pctxt);
xmlFreeDoc (xml);
return def;
}
virDomainDefPtr virDomainDefParseFile(virConnectPtr conn,
virCapsPtr caps,
const char *filename, int flags)
{
xmlParserCtxtPtr pctxt;
xmlDocPtr xml = NULL;
xmlNodePtr root;
virDomainDefPtr def = NULL;
/* Set up a parser context so we can catch the details of XML errors. */
pctxt = xmlNewParserCtxt ();
if (!pctxt || !pctxt->sax)
goto cleanup;
pctxt->sax->error = catchXMLError;
pctxt->_private = conn;
if (conn) virResetError (&conn->err);
xml = xmlCtxtReadFile (pctxt, filename, NULL,
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
if (!xml) {
if (virGetLastError() == NULL)
virDomainReportError(conn, VIR_ERR_XML_ERROR,
"%s", _("failed to parse xml document"));
goto cleanup;
}
if ((root = xmlDocGetRootElement(xml)) == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("missing root element"));
goto cleanup;
}
def = virDomainDefParseNode(conn, caps, xml, root, flags);
cleanup:
xmlFreeParserCtxt (pctxt);
xmlFreeDoc (xml);
return def;
}
virDomainDefPtr virDomainDefParseNode(virConnectPtr conn,
virCapsPtr caps,
xmlDocPtr xml,
xmlNodePtr root,
int flags)
{
xmlXPathContextPtr ctxt = NULL;
virDomainDefPtr def = NULL;
if (!xmlStrEqual(root->name, BAD_CAST "domain")) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("incorrect root element"));
goto cleanup;
}
ctxt = xmlXPathNewContext(xml);
if (ctxt == NULL) {
virReportOOMError(conn);
goto cleanup;
}
ctxt->node = root;
def = virDomainDefParseXML(conn, caps, ctxt, flags);
cleanup:
xmlXPathFreeContext(ctxt);
return def;
}
virDomainObjPtr virDomainObjParseFile(virConnectPtr conn,
virCapsPtr caps,
const char *filename)
{
xmlParserCtxtPtr pctxt;
xmlDocPtr xml = NULL;
xmlNodePtr root;
virDomainObjPtr obj = NULL;
/* Set up a parser context so we can catch the details of XML errors. */
pctxt = xmlNewParserCtxt ();
if (!pctxt || !pctxt->sax)
goto cleanup;
pctxt->sax->error = catchXMLError;
pctxt->_private = conn;
if (conn) virResetError (&conn->err);
xml = xmlCtxtReadFile (pctxt, filename, NULL,
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
if (!xml) {
if (virGetLastError() == NULL)
virDomainReportError(conn, VIR_ERR_XML_ERROR,
"%s", _("failed to parse xml document"));
goto cleanup;
}
if ((root = xmlDocGetRootElement(xml)) == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("missing root element"));
goto cleanup;
}
obj = virDomainObjParseNode(conn, caps, xml, root);
cleanup:
xmlFreeParserCtxt (pctxt);
xmlFreeDoc (xml);
return obj;
}
virDomainObjPtr virDomainObjParseNode(virConnectPtr conn,
virCapsPtr caps,
xmlDocPtr xml,
xmlNodePtr root)
{
xmlXPathContextPtr ctxt = NULL;
virDomainObjPtr obj = NULL;
if (!xmlStrEqual(root->name, BAD_CAST "domstatus")) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("incorrect root element"));
goto cleanup;
}
ctxt = xmlXPathNewContext(xml);
if (ctxt == NULL) {
virReportOOMError(conn);
goto cleanup;
}
ctxt->node = root;
obj = virDomainObjParseXML(conn, caps, ctxt);
cleanup:
xmlXPathFreeContext(ctxt);
return obj;
}
#endif /* ! PROXY */
/************************************************************************
* *
* Parser and converter for the CPUset strings used in libvirt *
* *
************************************************************************/
/**
* virDomainCpuNumberParse
* @str: pointer to the char pointer used
* @maxcpu: maximum CPU number allowed
*
* Parse a CPU number
*
* Returns the CPU number or -1 in case of error. @str will be
* updated to skip the number.
*/
static int
virDomainCpuNumberParse(const char **str, int maxcpu)
{
int ret = 0;
const char *cur = *str;
if (!c_isdigit(*cur))
return (-1);
while (c_isdigit(*cur)) {
ret = ret * 10 + (*cur - '0');
if (ret >= maxcpu)
return (-1);
cur++;
}
*str = cur;
return (ret);
}
/**
* virDomainCpuSetFormat:
* @conn: connection
* @cpuset: pointer to a char array for the CPU set
* @maxcpu: number of elements available in @cpuset
*
* Serialize the cpuset to a string
*
* Returns the new string NULL in case of error. The string need to be
* freed by the caller.
*/
char *
virDomainCpuSetFormat(virConnectPtr conn, char *cpuset, int maxcpu)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
int start, cur;
int first = 1;
if ((cpuset == NULL) || (maxcpu <= 0) || (maxcpu > 100000))
return (NULL);
cur = 0;
start = -1;
while (cur < maxcpu) {
if (cpuset[cur]) {
if (start == -1)
start = cur;
} else if (start != -1) {
if (!first)
virBufferAddLit(&buf, ",");
else
first = 0;
if (cur == start + 1)
virBufferVSprintf(&buf, "%d", start);
else
virBufferVSprintf(&buf, "%d-%d", start, cur - 1);
start = -1;
}
cur++;
}
if (start != -1) {
if (!first)
virBufferAddLit(&buf, ",");
if (maxcpu == start + 1)
virBufferVSprintf(&buf, "%d", start);
else
virBufferVSprintf(&buf, "%d-%d", start, maxcpu - 1);
}
if (virBufferError(&buf)) {
virReportOOMError(conn);
return NULL;
}
return virBufferContentAndReset(&buf);
}
/**
* virDomainCpuSetParse:
* @conn: connection
* @str: pointer to a CPU set string pointer
* @sep: potential character used to mark the end of string if not 0
* @cpuset: pointer to a char array for the CPU set
* @maxcpu: number of elements available in @cpuset
*
* Parse the cpu set, it will set the value for enabled CPUs in the @cpuset
* to 1, and 0 otherwise. The syntax allows coma separated entries each
* can be either a CPU number, ^N to unset that CPU or N-M for ranges.
*
* Returns the number of CPU found in that set, or -1 in case of error.
* @cpuset is modified accordingly to the value parsed.
* @str is updated to the end of the part parsed
*/
int
virDomainCpuSetParse(virConnectPtr conn, const char **str, char sep,
char *cpuset, int maxcpu)
{
const char *cur;
int ret = 0;
int i, start, last;
int neg = 0;
if ((str == NULL) || (cpuset == NULL) || (maxcpu <= 0) ||
(maxcpu > 100000))
return (-1);
cur = *str;
virSkipSpaces(&cur);
if (*cur == 0)
goto parse_error;
/* initialize cpumap to all 0s */
for (i = 0; i < maxcpu; i++)
cpuset[i] = 0;
ret = 0;
while ((*cur != 0) && (*cur != sep)) {
/*
* 3 constructs are allowed:
* - N : a single CPU number
* - N-M : a range of CPU numbers with N < M
* - ^N : remove a single CPU number from the current set
*/
if (*cur == '^') {
cur++;
neg = 1;
}
if (!c_isdigit(*cur))
goto parse_error;
start = virDomainCpuNumberParse(&cur, maxcpu);
if (start < 0)
goto parse_error;
virSkipSpaces(&cur);
if ((*cur == ',') || (*cur == 0) || (*cur == sep)) {
if (neg) {
if (cpuset[start] == 1) {
cpuset[start] = 0;
ret--;
}
} else {
if (cpuset[start] == 0) {
cpuset[start] = 1;
ret++;
}
}
} else if (*cur == '-') {
if (neg)
goto parse_error;
cur++;
virSkipSpaces(&cur);
last = virDomainCpuNumberParse(&cur, maxcpu);
if (last < start)
goto parse_error;
for (i = start; i <= last; i++) {
if (cpuset[i] == 0) {
cpuset[i] = 1;
ret++;
}
}
virSkipSpaces(&cur);
}
if (*cur == ',') {
cur++;
virSkipSpaces(&cur);
neg = 0;
} else if ((*cur == 0) || (*cur == sep)) {
break;
} else
goto parse_error;
}
*str = cur;
return (ret);
parse_error:
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
"%s", _("topology cpuset syntax error"));
return (-1);
}
static int
virDomainLifecycleDefFormat(virConnectPtr conn,
virBufferPtr buf,
int type,
const char *name)
{
const char *typeStr = virDomainLifecycleTypeToString(type);
if (!typeStr) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected lifecycle type %d"), type);
return -1;
}
virBufferVSprintf(buf, " <%s>%s</%s>\n", name, typeStr, name);
return 0;
}
static int
virDomainDiskDefFormat(virConnectPtr conn,
virBufferPtr buf,
virDomainDiskDefPtr def,
int flags)
{
const char *type = virDomainDiskTypeToString(def->type);
const char *device = virDomainDiskDeviceTypeToString(def->device);
const char *bus = virDomainDiskBusTypeToString(def->bus);
const char *cachemode = virDomainDiskCacheTypeToString(def->cachemode);
if (!type) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected disk type %d"), def->type);
return -1;
}
if (!device) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected disk device %d"), def->device);
return -1;
}
if (!bus) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected disk bus %d"), def->bus);
return -1;
}
if (!cachemode) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected disk cache mode %d"), def->cachemode);
return -1;
}
virBufferVSprintf(buf,
" <disk type='%s' device='%s'>\n",
type, device);
if (def->driverName) {
virBufferVSprintf(buf, " <driver name='%s'", def->driverName);
if (def->driverType)
virBufferVSprintf(buf, " type='%s'", def->driverType);
if (def->cachemode)
virBufferVSprintf(buf, " cache='%s'", cachemode);
virBufferVSprintf(buf, "/>\n");
}
if (def->src) {
switch (def->type) {
case VIR_DOMAIN_DISK_TYPE_FILE:
virBufferEscapeString(buf, " <source file='%s'/>\n",
def->src);
break;
case VIR_DOMAIN_DISK_TYPE_BLOCK:
virBufferEscapeString(buf, " <source dev='%s'/>\n",
def->src);
break;
case VIR_DOMAIN_DISK_TYPE_DIR:
virBufferEscapeString(buf, " <source dir='%s'/>\n",
def->src);
break;
default:
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected disk type %s"),
virDomainDiskTypeToString(def->type));
return -1;
}
}
virBufferVSprintf(buf, " <target dev='%s' bus='%s'/>\n",
def->dst, bus);
if (def->readonly)
virBufferAddLit(buf, " <readonly/>\n");
if (def->shared)
virBufferAddLit(buf, " <shareable/>\n");
if (def->serial)
virBufferEscapeString(buf, " <serial>%s</serial>\n",
def->serial);
if (def->encryption != NULL &&
virStorageEncryptionFormat(conn, buf, def->encryption) < 0)
return -1;
if (flags & VIR_DOMAIN_XML_INTERNAL_STATUS) {
virBufferAddLit(buf, " <state");
if (virDiskHasValidPciAddr(def))
virBufferVSprintf(buf, " devaddr='%.4x:%.2x:%.2x'",
def->pci_addr.domain,
def->pci_addr.bus,
def->pci_addr.slot);
virBufferAddLit(buf, "/>\n");
}
virBufferAddLit(buf, " </disk>\n");
return 0;
}
static int
virDomainFSDefFormat(virConnectPtr conn,
virBufferPtr buf,
virDomainFSDefPtr def)
{
const char *type = virDomainFSTypeToString(def->type);
if (!type) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected filesystem type %d"), def->type);
return -1;
}
virBufferVSprintf(buf,
" <filesystem type='%s'>\n",
type);
if (def->src) {
switch (def->type) {
case VIR_DOMAIN_FS_TYPE_MOUNT:
virBufferEscapeString(buf, " <source dir='%s'/>\n",
def->src);
break;
case VIR_DOMAIN_FS_TYPE_BLOCK:
virBufferEscapeString(buf, " <source dev='%s'/>\n",
def->src);
break;
case VIR_DOMAIN_FS_TYPE_FILE:
virBufferEscapeString(buf, " <source file='%s'/>\n",
def->src);
break;
case VIR_DOMAIN_FS_TYPE_TEMPLATE:
virBufferEscapeString(buf, " <source name='%s'/>\n",
def->src);
}
}
virBufferVSprintf(buf, " <target dir='%s'/>\n",
def->dst);
if (def->readonly)
virBufferAddLit(buf, " <readonly/>\n");
virBufferAddLit(buf, " </filesystem>\n");
return 0;
}
static int
virDomainNetDefFormat(virConnectPtr conn,
virBufferPtr buf,
virDomainNetDefPtr def,
int flags)
{
const char *type = virDomainNetTypeToString(def->type);
if (!type) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected net type %d"), def->type);
return -1;
}
virBufferVSprintf(buf, " <interface type='%s'>\n", type);
virBufferVSprintf(buf,
" <mac address='%02x:%02x:%02x:%02x:%02x:%02x'/>\n",
def->mac[0], def->mac[1], def->mac[2],
def->mac[3], def->mac[4], def->mac[5]);
switch (def->type) {
case VIR_DOMAIN_NET_TYPE_NETWORK:
virBufferEscapeString(buf, " <source network='%s'/>\n",
def->data.network.name);
break;
case VIR_DOMAIN_NET_TYPE_ETHERNET:
if (def->data.ethernet.dev)
virBufferEscapeString(buf, " <source dev='%s'/>\n",
def->data.ethernet.dev);
if (def->data.ethernet.ipaddr)
virBufferVSprintf(buf, " <ip address='%s'/>\n",
def->data.ethernet.ipaddr);
if (def->data.ethernet.script)
virBufferEscapeString(buf, " <script path='%s'/>\n",
def->data.ethernet.script);
break;
case VIR_DOMAIN_NET_TYPE_BRIDGE:
virBufferEscapeString(buf, " <source bridge='%s'/>\n",
def->data.bridge.brname);
if (def->data.bridge.ipaddr)
virBufferVSprintf(buf, " <ip address='%s'/>\n",
def->data.bridge.ipaddr);
if (def->data.bridge.script)
virBufferEscapeString(buf, " <script path='%s'/>\n",
def->data.bridge.script);
break;
case VIR_DOMAIN_NET_TYPE_SERVER:
case VIR_DOMAIN_NET_TYPE_CLIENT:
case VIR_DOMAIN_NET_TYPE_MCAST:
if (def->data.socket.address)
virBufferVSprintf(buf, " <source address='%s' port='%d'/>\n",
def->data.socket.address, def->data.socket.port);
else
virBufferVSprintf(buf, " <source port='%d'/>\n",
def->data.socket.port);
break;
case VIR_DOMAIN_NET_TYPE_INTERNAL:
virBufferEscapeString(buf, " <source name='%s'/>\n",
def->data.internal.name);
break;
}
if (def->ifname)
virBufferEscapeString(buf, " <target dev='%s'/>\n",
def->ifname);
if (def->model)
virBufferEscapeString(buf, " <model type='%s'/>\n",
def->model);
if (flags & VIR_DOMAIN_XML_INTERNAL_STATUS) {
virBufferAddLit(buf, " <state");
if (def->nic_name)
virBufferEscapeString(buf, " nic='%s'", def->nic_name);
if (def->hostnet_name)
virBufferEscapeString(buf, " hostnet='%s'", def->hostnet_name);
if (virNetHasValidPciAddr(def))
virBufferVSprintf(buf, " devaddr='%.4x:%.2x:%.2x'",
def->pci_addr.domain,
def->pci_addr.bus,
def->pci_addr.slot);
if (def->vlan > 0)
virBufferVSprintf(buf, " vlan='%d'", def->vlan);
virBufferAddLit(buf, "/>\n");
}
virBufferAddLit(buf, " </interface>\n");
return 0;
}
static int
virDomainChrDefFormat(virConnectPtr conn,
virBufferPtr buf,
virDomainChrDefPtr def,
int flags)
{
const char *type = virDomainChrTypeToString(def->type);
const char *targetName = virDomainChrTargetTypeToString(def->targetType);
const char *elementName;
const char *addr = NULL;
int ret = 0;
switch (def->targetType) {
/* channel types are in a common channel element */
case VIR_DOMAIN_CHR_TARGET_TYPE_GUESTFWD:
elementName = "channel";
break;
default:
elementName = targetName;
}
if (!type) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected char type %d"), def->type);
ret = -1;
goto cleanup;
}
/* Compat with legacy <console tty='/dev/pts/5'/> syntax */
virBufferVSprintf(buf, " <%s type='%s'",
elementName, type);
if (def->targetType == VIR_DOMAIN_CHR_TARGET_TYPE_CONSOLE &&
def->type == VIR_DOMAIN_CHR_TYPE_PTY &&
!(flags & VIR_DOMAIN_XML_INACTIVE) &&
def->data.file.path) {
virBufferEscapeString(buf, " tty='%s'>\n",
def->data.file.path);
} else {
virBufferAddLit(buf, ">\n");
}
switch (def->type) {
case VIR_DOMAIN_CHR_TYPE_NULL:
case VIR_DOMAIN_CHR_TYPE_VC:
case VIR_DOMAIN_CHR_TYPE_STDIO:
/* nada */
break;
case VIR_DOMAIN_CHR_TYPE_PTY:
case VIR_DOMAIN_CHR_TYPE_DEV:
case VIR_DOMAIN_CHR_TYPE_FILE:
case VIR_DOMAIN_CHR_TYPE_PIPE:
if (def->type != VIR_DOMAIN_CHR_TYPE_PTY ||
(def->data.file.path && !(flags & VIR_DOMAIN_XML_INACTIVE))) {
virBufferEscapeString(buf, " <source path='%s'/>\n",
def->data.file.path);
}
break;
case VIR_DOMAIN_CHR_TYPE_UDP:
if (def->data.udp.bindService &&
def->data.udp.bindHost) {
virBufferVSprintf(buf, " <source mode='bind' host='%s' service='%s'/>\n",
def->data.udp.bindHost,
def->data.udp.bindService);
} else if (def->data.udp.bindHost) {
virBufferVSprintf(buf, " <source mode='bind' host='%s'/>\n",
def->data.udp.bindHost);
} else if (def->data.udp.bindService) {
virBufferVSprintf(buf, " <source mode='bind' service='%s'/>\n",
def->data.udp.bindService);
}
if (def->data.udp.connectService &&
def->data.udp.connectHost) {
virBufferVSprintf(buf, " <source mode='connect' host='%s' service='%s'/>\n",
def->data.udp.connectHost,
def->data.udp.connectService);
} else if (def->data.udp.connectHost) {
virBufferVSprintf(buf, " <source mode='connect' host='%s'/>\n",
def->data.udp.connectHost);
} else if (def->data.udp.connectService) {
virBufferVSprintf(buf, " <source mode='connect' service='%s'/>\n",
def->data.udp.connectService);
}
break;
case VIR_DOMAIN_CHR_TYPE_TCP:
virBufferVSprintf(buf, " <source mode='%s' host='%s' service='%s'/>\n",
def->data.tcp.listen ? "bind" : "connect",
def->data.tcp.host,
def->data.tcp.service);
virBufferVSprintf(buf, " <protocol type='%s'/>\n",
def->data.tcp.protocol ==
VIR_DOMAIN_CHR_TCP_PROTOCOL_TELNET
? "telnet" : "raw");
break;
case VIR_DOMAIN_CHR_TYPE_UNIX:
virBufferVSprintf(buf, " <source mode='%s'",
def->data.nix.listen ? "bind" : "connect");
virBufferEscapeString(buf, " path='%s'/>\n",
def->data.nix.path);
break;
}
switch (def->targetType) {
case VIR_DOMAIN_CHR_TARGET_TYPE_GUESTFWD:
addr = virSocketFormatAddr(def->target.addr);
if (addr == NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("Unable to format guestfwd address"));
ret = -1;
goto cleanup;
}
int port = virSocketGetPort(def->target.addr);
if (port < 0) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
_("Unable to format guestfwd port"));
ret = -1;
goto cleanup;
}
virBufferVSprintf(buf, " <target type='guestfwd' address='%s' port='%d'/>\n",
addr, port);
break;
case VIR_DOMAIN_CHR_TARGET_TYPE_PARALLEL:
case VIR_DOMAIN_CHR_TARGET_TYPE_SERIAL:
case VIR_DOMAIN_CHR_TARGET_TYPE_CONSOLE:
virBufferVSprintf(buf, " <target port='%d'/>\n",
def->target.port);
break;
default:
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected character destination type %d"),
def->targetType);
return -1;
}
virBufferVSprintf(buf, " </%s>\n",
elementName);
cleanup:
VIR_FREE(addr);
return ret;
}
static int
virDomainSoundDefFormat(virConnectPtr conn,
virBufferPtr buf,
virDomainSoundDefPtr def)
{
const char *model = virDomainSoundModelTypeToString(def->model);
if (!model) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected sound model %d"), def->model);
return -1;
}
virBufferVSprintf(buf, " <sound model='%s'/>\n",
model);
return 0;
}
static int
virDomainWatchdogDefFormat(virConnectPtr conn,
virBufferPtr buf,
virDomainWatchdogDefPtr def)
{
const char *model = virDomainWatchdogModelTypeToString (def->model);
const char *action = virDomainWatchdogActionTypeToString (def->action);
if (!model) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected watchdog model %d"), def->model);
return -1;
}
if (!action) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected watchdog action %d"), def->action);
return -1;
}
virBufferVSprintf(buf, " <watchdog model='%s' action='%s'/>\n",
model, action);
return 0;
}
static void
virDomainVideoAccelDefFormat(virBufferPtr buf,
virDomainVideoAccelDefPtr def)
{
virBufferVSprintf(buf, " <acceleration accel3d='%s'",
def->support3d ? "yes" : "no");
virBufferVSprintf(buf, " accel2d='%s'",
def->support2d ? "yes" : "no");
virBufferAddLit(buf, "/>\n");
}
static int
virDomainVideoDefFormat(virConnectPtr conn,
virBufferPtr buf,
virDomainVideoDefPtr def)
{
const char *model = virDomainVideoTypeToString(def->type);
if (!model) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected video model %d"), def->type);
return -1;
}
virBufferAddLit(buf, " <video>\n");
virBufferVSprintf(buf, " <model type='%s'",
model);
if (def->vram)
virBufferVSprintf(buf, " vram='%u'", def->vram);
if (def->heads)
virBufferVSprintf(buf, " heads='%u'", def->heads);
if (def->accel) {
virBufferAddLit(buf, ">\n");
virDomainVideoAccelDefFormat(buf, def->accel);
virBufferAddLit(buf, " </model>\n");
} else {
virBufferAddLit(buf, "/>\n");
}
virBufferAddLit(buf, " </video>\n");
return 0;
}
static int
virDomainInputDefFormat(virConnectPtr conn,
virBufferPtr buf,
virDomainInputDefPtr def)
{
const char *type = virDomainInputTypeToString(def->type);
const char *bus = virDomainInputBusTypeToString(def->bus);
if (!type) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected input type %d"), def->type);
return -1;
}
if (!bus) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected input bus type %d"), def->bus);
return -1;
}
virBufferVSprintf(buf, " <input type='%s' bus='%s'/>\n",
type, bus);
return 0;
}
static int
virDomainGraphicsDefFormat(virConnectPtr conn,
virBufferPtr buf,
virDomainGraphicsDefPtr def,
int flags)
{
const char *type = virDomainGraphicsTypeToString(def->type);
if (!type) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected net type %d"), def->type);
return -1;
}
virBufferVSprintf(buf, " <graphics type='%s'", type);
switch (def->type) {
case VIR_DOMAIN_GRAPHICS_TYPE_VNC:
if (def->data.vnc.port &&
(!def->data.vnc.autoport || !(flags & VIR_DOMAIN_XML_INACTIVE)))
virBufferVSprintf(buf, " port='%d'",
def->data.vnc.port);
else if (def->data.vnc.autoport)
virBufferAddLit(buf, " port='-1'");
virBufferVSprintf(buf, " autoport='%s'",
def->data.vnc.autoport ? "yes" : "no");
if (def->data.vnc.listenAddr)
virBufferVSprintf(buf, " listen='%s'",
def->data.vnc.listenAddr);
if (def->data.vnc.keymap)
virBufferEscapeString(buf, " keymap='%s'",
def->data.vnc.keymap);
if (def->data.vnc.passwd &&
(flags & VIR_DOMAIN_XML_SECURE))
virBufferEscapeString(buf, " passwd='%s'",
def->data.vnc.passwd);
break;
case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
if (def->data.sdl.display)
virBufferEscapeString(buf, " display='%s'",
def->data.sdl.display);
if (def->data.sdl.xauth)
virBufferEscapeString(buf, " xauth='%s'",
def->data.sdl.xauth);
if (def->data.sdl.fullscreen)
virBufferAddLit(buf, " fullscreen='yes'");
break;
case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
if (def->data.rdp.port)
virBufferVSprintf(buf, " port='%d'",
def->data.rdp.port);
else if (def->data.rdp.autoport)
virBufferAddLit(buf, " port='0'");
if (def->data.rdp.autoport)
virBufferVSprintf(buf, " autoport='yes'");
if (def->data.rdp.replaceUser)
virBufferVSprintf(buf, " replaceUser='yes'");
if (def->data.rdp.multiUser)
virBufferVSprintf(buf, " multiUser='yes'");
if (def->data.rdp.listenAddr)
virBufferVSprintf(buf, " listen='%s'", def->data.rdp.listenAddr);
break;
case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
if (def->data.desktop.display)
virBufferEscapeString(buf, " display='%s'",
def->data.desktop.display);
if (def->data.desktop.fullscreen)
virBufferAddLit(buf, " fullscreen='yes'");
break;
}
virBufferAddLit(buf, "/>\n");
return 0;
}
static int
virDomainHostdevDefFormat(virConnectPtr conn,
virBufferPtr buf,
virDomainHostdevDefPtr def,
int flags)
{
const char *mode = virDomainHostdevModeTypeToString(def->mode);
const char *type;
if (!mode || def->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected hostdev mode %d"), def->mode);
return -1;
}
type = virDomainHostdevSubsysTypeToString(def->source.subsys.type);
if (!type || (def->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB && def->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) ) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected hostdev type %d"),
def->source.subsys.type);
return -1;
}
virBufferVSprintf(buf, " <hostdev mode='%s' type='%s' managed='%s'>\n",
mode, type, def->managed ? "yes" : "no");
virBufferAddLit(buf, " <source>\n");
if (def->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB) {
if (def->source.subsys.u.usb.vendor) {
virBufferVSprintf(buf, " <vendor id='0x%.4x'/>\n",
def->source.subsys.u.usb.vendor);
virBufferVSprintf(buf, " <product id='0x%.4x'/>\n",
def->source.subsys.u.usb.product);
} else {
virBufferVSprintf(buf, " <address bus='%d' device='%d'/>\n",
def->source.subsys.u.usb.bus,
def->source.subsys.u.usb.device);
}
}
if (def->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) {
virBufferVSprintf(buf, " <address domain='0x%.4x' bus='0x%.2x' slot='0x%.2x' function='0x%.1x'/>\n",
def->source.subsys.u.pci.domain,
def->source.subsys.u.pci.bus,
def->source.subsys.u.pci.slot,
def->source.subsys.u.pci.function);
if (flags & VIR_DOMAIN_XML_INTERNAL_STATUS) {
virBufferAddLit(buf, " <state");
if (virHostdevHasValidGuestAddr(def))
virBufferVSprintf(buf, " devaddr='%.4x:%.2x:%.2x'",
def->source.subsys.u.pci.guest_addr.domain,
def->source.subsys.u.pci.guest_addr.bus,
def->source.subsys.u.pci.guest_addr.slot);
virBufferAddLit(buf, "/>\n");
}
}
virBufferAddLit(buf, " </source>\n");
virBufferAddLit(buf, " </hostdev>\n");
return 0;
}
char *virDomainDefFormat(virConnectPtr conn,
virDomainDefPtr def,
int flags)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
unsigned char *uuid;
char uuidstr[VIR_UUID_STRING_BUFLEN];
const char *type = NULL, *tmp;
int n, allones = 1;
if (!(type = virDomainVirtTypeToString(def->virtType))) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected domain type %d"), def->virtType);
goto cleanup;
}
if (def->id == -1)
flags |= VIR_DOMAIN_XML_INACTIVE;
if (!(flags & VIR_DOMAIN_XML_INACTIVE))
virBufferVSprintf(&buf, "<domain type='%s' id='%d'>\n", type, def->id);
else
virBufferVSprintf(&buf, "<domain type='%s'>\n", type);
virBufferEscapeString(&buf, " <name>%s</name>\n", def->name);
uuid = def->uuid;
virUUIDFormat(uuid, uuidstr);
virBufferVSprintf(&buf, " <uuid>%s</uuid>\n", uuidstr);
if (def->description)
virBufferEscapeString(&buf, " <description>%s</description>\n",
def->description);
virBufferVSprintf(&buf, " <memory>%lu</memory>\n", def->maxmem);
virBufferVSprintf(&buf, " <currentMemory>%lu</currentMemory>\n",
def->memory);
if (def->hugepage_backed) {
virBufferAddLit(&buf, " <memoryBacking>\n");
virBufferAddLit(&buf, " <hugepages/>\n");
virBufferAddLit(&buf, " </memoryBacking>\n");
}
for (n = 0 ; n < def->cpumasklen ; n++)
if (def->cpumask[n] != 1)
allones = 0;
if (allones) {
virBufferVSprintf(&buf, " <vcpu>%lu</vcpu>\n", def->vcpus);
} else {
char *cpumask = NULL;
if ((cpumask =
virDomainCpuSetFormat(conn, def->cpumask, def->cpumasklen)) == NULL)
goto cleanup;
virBufferVSprintf(&buf, " <vcpu cpuset='%s'>%lu</vcpu>\n",
cpumask, def->vcpus);
VIR_FREE(cpumask);
}
if (def->os.bootloader) {
virBufferEscapeString(&buf, " <bootloader>%s</bootloader>\n",
def->os.bootloader);
if (def->os.bootloaderArgs)
virBufferEscapeString(&buf, " <bootloader_args>%s</bootloader_args>\n",
def->os.bootloaderArgs);
}
virBufferAddLit(&buf, " <os>\n");
virBufferAddLit(&buf, " <type");
if (def->os.arch)
virBufferVSprintf(&buf, " arch='%s'", def->os.arch);
if (def->os.machine)
virBufferVSprintf(&buf, " machine='%s'", def->os.machine);
/*
* HACK: For xen driver we previously used bogus 'linux' as the
* os type for paravirt, whereas capabilities declare it to
* be 'xen'. So we convert to the former for backcompat
*/
if (def->virtType == VIR_DOMAIN_VIRT_XEN &&
STREQ(def->os.type, "xen"))
virBufferVSprintf(&buf, ">%s</type>\n", "linux");
else
virBufferVSprintf(&buf, ">%s</type>\n", def->os.type);
if (def->os.init)
virBufferEscapeString(&buf, " <init>%s</init>\n",
def->os.init);
if (def->os.loader)
virBufferEscapeString(&buf, " <loader>%s</loader>\n",
def->os.loader);
if (def->os.kernel)
virBufferEscapeString(&buf, " <kernel>%s</kernel>\n",
def->os.kernel);
if (def->os.initrd)
virBufferEscapeString(&buf, " <initrd>%s</initrd>\n",
def->os.initrd);
if (def->os.cmdline)
virBufferEscapeString(&buf, " <cmdline>%s</cmdline>\n",
def->os.cmdline);
if (def->os.root)
virBufferEscapeString(&buf, " <root>%s</root>\n",
def->os.root);
if (!def->os.bootloader) {
for (n = 0 ; n < def->os.nBootDevs ; n++) {
const char *boottype =
virDomainBootTypeToString(def->os.bootDevs[n]);
if (!boottype) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected boot device type %d"),
def->os.bootDevs[n]);
goto cleanup;
}
virBufferVSprintf(&buf, " <boot dev='%s'/>\n", boottype);
}
}
virBufferAddLit(&buf, " </os>\n");
if (def->features) {
int i;
virBufferAddLit(&buf, " <features>\n");
for (i = 0 ; i < VIR_DOMAIN_FEATURE_LAST ; i++) {
if (def->features & (1 << i)) {
const char *name = virDomainFeatureTypeToString(i);
if (!name) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected feature %d"), i);
goto cleanup;
}
virBufferVSprintf(&buf, " <%s/>\n", name);
}
}
virBufferAddLit(&buf, " </features>\n");
}
virBufferVSprintf(&buf, " <clock offset='%s'/>\n",
def->localtime ? "localtime" : "utc");
if (virDomainLifecycleDefFormat(conn, &buf, def->onPoweroff,
"on_poweroff") < 0)
goto cleanup;
if (virDomainLifecycleDefFormat(conn, &buf, def->onReboot,
"on_reboot") < 0)
goto cleanup;
if (virDomainLifecycleDefFormat(conn, &buf, def->onCrash,
"on_crash") < 0)
goto cleanup;
virBufferAddLit(&buf, " <devices>\n");
if (def->emulator)
virBufferEscapeString(&buf, " <emulator>%s</emulator>\n",
def->emulator);
for (n = 0 ; n < def->ndisks ; n++)
if (virDomainDiskDefFormat(conn, &buf, def->disks[n], flags) < 0)
goto cleanup;
for (n = 0 ; n < def->nfss ; n++)
if (virDomainFSDefFormat(conn, &buf, def->fss[n]) < 0)
goto cleanup;
for (n = 0 ; n < def->nnets ; n++)
if (virDomainNetDefFormat(conn, &buf, def->nets[n], flags) < 0)
goto cleanup;
for (n = 0 ; n < def->nserials ; n++)
if (virDomainChrDefFormat(conn, &buf, def->serials[n], flags) < 0)
goto cleanup;
for (n = 0 ; n < def->nparallels ; n++)
if (virDomainChrDefFormat(conn, &buf, def->parallels[n], flags) < 0)
goto cleanup;
/* If there's a PV console that's preferred.. */
if (def->console) {
if (virDomainChrDefFormat(conn, &buf, def->console, flags) < 0)
goto cleanup;
} else if (def->nserials != 0) {
/* ..else for legacy compat duplicate the first serial device as a
* console */
virDomainChrDef console;
memcpy(&console, def->serials[0], sizeof(console));
console.targetType = VIR_DOMAIN_CHR_TARGET_TYPE_CONSOLE;
if (virDomainChrDefFormat(conn, &buf, &console, flags) < 0)
goto cleanup;
}
for (n = 0 ; n < def->nchannels ; n++)
if (virDomainChrDefFormat(conn, &buf, def->channels[n], flags) < 0)
goto cleanup;
for (n = 0 ; n < def->ninputs ; n++)
if (def->inputs[n]->bus == VIR_DOMAIN_INPUT_BUS_USB &&
virDomainInputDefFormat(conn, &buf, def->inputs[n]) < 0)
goto cleanup;
if (def->ngraphics > 0) {
/* If graphics is enabled, add the implicit mouse */
virDomainInputDef autoInput = {
VIR_DOMAIN_INPUT_TYPE_MOUSE,
STREQ(def->os.type, "hvm") ?
VIR_DOMAIN_INPUT_BUS_PS2 : VIR_DOMAIN_INPUT_BUS_XEN
};
if (virDomainInputDefFormat(conn, &buf, &autoInput) < 0)
goto cleanup;
for (n = 0 ; n < def->ngraphics ; n++)
if (virDomainGraphicsDefFormat(conn, &buf, def->graphics[n], flags) < 0)
goto cleanup;
}
for (n = 0 ; n < def->nsounds ; n++)
if (virDomainSoundDefFormat(conn, &buf, def->sounds[n]) < 0)
goto cleanup;
for (n = 0 ; n < def->nvideos ; n++)
if (virDomainVideoDefFormat(conn, &buf, def->videos[n]) < 0)
goto cleanup;
for (n = 0 ; n < def->nhostdevs ; n++)
if (virDomainHostdevDefFormat(conn, &buf, def->hostdevs[n], flags) < 0)
goto cleanup;
if (def->watchdog)
virDomainWatchdogDefFormat (conn, &buf, def->watchdog);
virBufferAddLit(&buf, " </devices>\n");
if (def->seclabel.model) {
const char *sectype = virDomainSeclabelTypeToString(def->seclabel.type);
if (!sectype)
goto cleanup;
if (!def->seclabel.label ||
(def->seclabel.type == VIR_DOMAIN_SECLABEL_DYNAMIC &&
(flags & VIR_DOMAIN_XML_INACTIVE))) {
virBufferVSprintf(&buf, " <seclabel type='%s' model='%s'/>\n",
sectype, def->seclabel.model);
} else {
virBufferVSprintf(&buf, " <seclabel type='%s' model='%s'>\n",
sectype, def->seclabel.model);
virBufferEscapeString(&buf, " <label>%s</label>\n",
def->seclabel.label);
if (def->seclabel.imagelabel &&
def->seclabel.type == VIR_DOMAIN_SECLABEL_DYNAMIC)
virBufferEscapeString(&buf, " <imagelabel>%s</imagelabel>\n",
def->seclabel.imagelabel);
virBufferAddLit(&buf, " </seclabel>\n");
}
}
virBufferAddLit(&buf, "</domain>\n");
if (virBufferError(&buf))
goto no_memory;
return virBufferContentAndReset(&buf);
no_memory:
virReportOOMError(conn);
cleanup:
tmp = virBufferContentAndReset(&buf);
VIR_FREE(tmp);
return NULL;
}
char *virDomainObjFormat(virConnectPtr conn,
virDomainObjPtr obj,
int flags)
{
char *config_xml = NULL, *xml = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *monitorpath;
virBufferVSprintf(&buf, "<domstatus state='%s' pid='%d'>\n",
virDomainStateTypeToString(obj->state),
obj->pid);
/* obj->monitor_chr is set only for qemu */
if (obj->monitor_chr) {
switch (obj->monitor_chr->type) {
case VIR_DOMAIN_CHR_TYPE_UNIX:
monitorpath = obj->monitor_chr->data.nix.path;
break;
default:
case VIR_DOMAIN_CHR_TYPE_PTY:
monitorpath = obj->monitor_chr->data.file.path;
break;
}
virBufferEscapeString(&buf, " <monitor path='%s'", monitorpath);
virBufferVSprintf(&buf, " type='%s'/>\n",
virDomainChrTypeToString(obj->monitor_chr->type));
}
if (obj->nvcpupids) {
int i;
virBufferAddLit(&buf, " <vcpus>\n");
for (i = 0 ; i < obj->nvcpupids ; i++) {
virBufferVSprintf(&buf, " <vcpu pid='%d'/>\n", obj->vcpupids[i]);
}
virBufferAddLit(&buf, " </vcpus>\n");
}
if (!(config_xml = virDomainDefFormat(conn,
obj->def,
flags)))
goto error;
virBufferAdd(&buf, config_xml, strlen(config_xml));
VIR_FREE(config_xml);
virBufferAddLit(&buf, "</domstatus>\n");
if (virBufferError(&buf))
goto no_memory;
return virBufferContentAndReset(&buf);
no_memory:
virReportOOMError(conn);
error:
xml = virBufferContentAndReset(&buf);
VIR_FREE(xml);
return NULL;
}
#ifndef PROXY
int virDomainSaveXML(virConnectPtr conn,
const char *configDir,
virDomainDefPtr def,
const char *xml)
{
char *configFile = NULL;
int fd = -1, ret = -1;
size_t towrite;
if ((configFile = virDomainConfigFile(conn, configDir, def->name)) == NULL)
goto cleanup;
if (virFileMakePath(configDir)) {
virReportSystemError(conn, errno,
_("cannot create config directory '%s'"),
configDir);
goto cleanup;
}
if ((fd = open(configFile,
O_WRONLY | O_CREAT | O_TRUNC,
S_IRUSR | S_IWUSR )) < 0) {
virReportSystemError(conn, errno,
_("cannot create config file '%s'"),
configFile);
goto cleanup;
}
towrite = strlen(xml);
if (safewrite(fd, xml, towrite) < 0) {
virReportSystemError(conn, errno,
_("cannot write config file '%s'"),
configFile);
goto cleanup;
}
if (close(fd) < 0) {
virReportSystemError(conn, errno,
_("cannot save config file '%s'"),
configFile);
goto cleanup;
}
ret = 0;
cleanup:
if (fd != -1)
close(fd);
VIR_FREE(configFile);
return ret;
}
int virDomainSaveConfig(virConnectPtr conn,
const char *configDir,
virDomainDefPtr def)
{
int ret = -1;
char *xml;
if (!(xml = virDomainDefFormat(conn,
def,
VIR_DOMAIN_XML_SECURE)))
goto cleanup;
if (virDomainSaveXML(conn, configDir, def, xml))
goto cleanup;
ret = 0;
cleanup:
VIR_FREE(xml);
return ret;
}
int virDomainSaveStatus(virConnectPtr conn,
const char *statusDir,
virDomainObjPtr obj)
{
int flags = VIR_DOMAIN_XML_SECURE|VIR_DOMAIN_XML_INTERNAL_STATUS;
int ret = -1;
char *xml;
if (!(xml = virDomainObjFormat(conn, obj, flags)))
goto cleanup;
if (virDomainSaveXML(conn, statusDir, obj->def, xml))
goto cleanup;
ret = 0;
cleanup:
VIR_FREE(xml);
return ret;
}
virDomainObjPtr virDomainLoadConfig(virConnectPtr conn,
virCapsPtr caps,
virDomainObjListPtr doms,
const char *configDir,
const char *autostartDir,
const char *name,
virDomainLoadConfigNotify notify,
void *opaque)
{
char *configFile = NULL, *autostartLink = NULL;
virDomainDefPtr def = NULL;
virDomainObjPtr dom;
int autostart;
int newVM = 1;
if ((configFile = virDomainConfigFile(conn, configDir, name)) == NULL)
goto error;
if ((autostartLink = virDomainConfigFile(conn, autostartDir, name)) == NULL)
goto error;
if ((autostart = virFileLinkPointsTo(autostartLink, configFile)) < 0)
goto error;
if (!(def = virDomainDefParseFile(conn, caps, configFile,
VIR_DOMAIN_XML_INACTIVE)))
goto error;
if ((dom = virDomainFindByName(doms, def->name))) {
virDomainObjUnlock(dom);
dom = NULL;
newVM = 0;
}
if (!(dom = virDomainAssignDef(conn, caps, doms, def)))
goto error;
dom->autostart = autostart;
if (notify)
(*notify)(dom, newVM, opaque);
VIR_FREE(configFile);
VIR_FREE(autostartLink);
return dom;
error:
VIR_FREE(configFile);
VIR_FREE(autostartLink);
virDomainDefFree(def);
return NULL;
}
static virDomainObjPtr virDomainLoadStatus(virConnectPtr conn,
virCapsPtr caps,
virDomainObjListPtr doms,
const char *statusDir,
const char *name,
virDomainLoadConfigNotify notify,
void *opaque)
{
char *statusFile = NULL;
virDomainObjPtr obj = NULL;
char uuidstr[VIR_UUID_STRING_BUFLEN];
if ((statusFile = virDomainConfigFile(conn, statusDir, name)) == NULL)
goto error;
if (!(obj = virDomainObjParseFile(conn, caps, statusFile)))
goto error;
virUUIDFormat(obj->def->uuid, uuidstr);
if (virHashLookup(doms->objs, uuidstr) != NULL) {
virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR,
_("unexpected domain %s already exists"),
obj->def->name);
goto error;
}
if (virHashAddEntry(doms->objs, uuidstr, obj) < 0) {
virReportOOMError(conn);
goto error;
}
if (notify)
(*notify)(obj, 1, opaque);
VIR_FREE(statusFile);
return obj;
error:
if (obj)
virDomainObjUnref(obj);
VIR_FREE(statusFile);
return NULL;
}
int virDomainLoadAllConfigs(virConnectPtr conn,
virCapsPtr caps,
virDomainObjListPtr doms,
const char *configDir,
const char *autostartDir,
int liveStatus,
virDomainLoadConfigNotify notify,
void *opaque)
{
DIR *dir;
struct dirent *entry;
VIR_INFO("Scanning for configs in %s", configDir);
if (!(dir = opendir(configDir))) {
if (errno == ENOENT)
return 0;
virReportSystemError(conn, errno,
_("Failed to open dir '%s'"),
configDir);
return -1;
}
while ((entry = readdir(dir))) {
virDomainObjPtr dom;
if (entry->d_name[0] == '.')
continue;
if (!virFileStripSuffix(entry->d_name, ".xml"))
continue;
/* NB: ignoring errors, so one malformed config doesn't
kill the whole process */
VIR_INFO("Loading config file '%s.xml'", entry->d_name);
if (liveStatus)
dom = virDomainLoadStatus(conn,
caps,
doms,
configDir,
entry->d_name,
notify,
opaque);
else
dom = virDomainLoadConfig(conn,
caps,
doms,
configDir,
autostartDir,
entry->d_name,
notify,
opaque);
if (dom) {
virDomainObjUnlock(dom);
if (!liveStatus)
dom->persistent = 1;
}
}
closedir(dir);
return 0;
}
int virDomainDeleteConfig(virConnectPtr conn,
const char *configDir,
const char *autostartDir,
virDomainObjPtr dom)
{
char *configFile = NULL, *autostartLink = NULL;
int ret = -1;
if ((configFile = virDomainConfigFile(conn, configDir, dom->def->name)) == NULL)
goto cleanup;
if ((autostartLink = virDomainConfigFile(conn, autostartDir, dom->def->name)) == NULL)
goto cleanup;
/* Not fatal if this doesn't work */
unlink(autostartLink);
if (unlink(configFile) < 0 &&
errno != ENOENT) {
virReportSystemError(conn, errno,
_("cannot remove config %s"),
configFile);
goto cleanup;
}
ret = 0;
cleanup:
VIR_FREE(configFile);
VIR_FREE(autostartLink);
return ret;
}
char *virDomainConfigFile(virConnectPtr conn,
const char *dir,
const char *name)
{
char *ret = NULL;
if (virAsprintf(&ret, "%s/%s.xml", dir, name) < 0) {
virReportOOMError(conn);
return NULL;
}
return ret;
}
/* Translates a device name of the form (regex) "[fhv]d[a-z]+" into
* the corresponding bus,index combination (e.g. sda => (0,0), sdi (1,1),
* hdd => (1,1), vdaa => (0,26))
* @param disk The disk device
* @param busIdx parsed bus number
* @param devIdx parsed device number
* @return 0 on success, -1 on failure
*/
int virDiskNameToBusDeviceIndex(const virDomainDiskDefPtr disk,
int *busIdx,
int *devIdx) {
int idx = virDiskNameToIndex(disk->dst);
if (idx < 0)
return -1;
switch (disk->bus) {
case VIR_DOMAIN_DISK_BUS_IDE:
*busIdx = idx / 2;
*devIdx = idx % 2;
break;
case VIR_DOMAIN_DISK_BUS_SCSI:
*busIdx = idx / 7;
*devIdx = idx % 7;
break;
case VIR_DOMAIN_DISK_BUS_FDC:
case VIR_DOMAIN_DISK_BUS_USB:
case VIR_DOMAIN_DISK_BUS_VIRTIO:
case VIR_DOMAIN_DISK_BUS_XEN:
default:
*busIdx = 0;
*devIdx = idx;
break;
}
return 0;
}
virDomainFSDefPtr virDomainGetRootFilesystem(virDomainDefPtr def)
{
int i;
for (i = 0 ; i < def->nfss ; i++) {
if (def->fss[i]->type != VIR_DOMAIN_FS_TYPE_MOUNT)
continue;
if (STREQ(def->fss[i]->dst, "/"))
return def->fss[i];
}
return NULL;
}
/*
* virDomainObjIsDuplicate:
* @doms : virDomainObjListPtr to search
* @def : virDomainDefPtr definition of domain to lookup
* @check_active: If true, ensure that domain is not active
*
* Returns: -1 on error
* 0 if domain is new
* 1 if domain is a duplicate
*/
int
virDomainObjIsDuplicate(virDomainObjListPtr doms,
virDomainDefPtr def,
unsigned int check_active)
{
int ret = -1;
int dupVM = 0;
virDomainObjPtr vm = NULL;
/* See if a VM with matching UUID already exists */
vm = virDomainFindByUUID(doms, def->uuid);
if (vm) {
/* UUID matches, but if names don't match, refuse it */
if (STRNEQ(vm->def->name, def->name)) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(vm->def->uuid, uuidstr);
virDomainReportError(NULL, VIR_ERR_OPERATION_FAILED,
_("domain '%s' is already defined with uuid %s"),
vm->def->name, uuidstr);
goto cleanup;
}
if (check_active) {
/* UUID & name match, but if VM is already active, refuse it */
if (virDomainObjIsActive(vm)) {
virDomainReportError(NULL, VIR_ERR_OPERATION_INVALID,
_("domain is already active as '%s'"),
vm->def->name);
goto cleanup;
}
}
dupVM = 1;
} else {
/* UUID does not match, but if a name matches, refuse it */
vm = virDomainFindByName(doms, def->name);
if (vm) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(vm->def->uuid, uuidstr);
virDomainReportError(NULL, VIR_ERR_OPERATION_FAILED,
_("domain '%s' already exists with uuid %s"),
def->name, uuidstr);
goto cleanup;
}
}
ret = dupVM;
cleanup:
if (vm)
virDomainObjUnlock(vm);
return ret;
}
void virDomainObjLock(virDomainObjPtr obj)
{
virMutexLock(&obj->lock);
}
void virDomainObjUnlock(virDomainObjPtr obj)
{
virMutexUnlock(&obj->lock);
}
static void virDomainObjListCountActive(void *payload, const char *name ATTRIBUTE_UNUSED, void *data)
{
virDomainObjPtr obj = payload;
int *count = data;
virDomainObjLock(obj);
if (virDomainObjIsActive(obj))
(*count)++;
virDomainObjUnlock(obj);
}
static void virDomainObjListCountInactive(void *payload, const char *name ATTRIBUTE_UNUSED, void *data)
{
virDomainObjPtr obj = payload;
int *count = data;
virDomainObjLock(obj);
if (!virDomainObjIsActive(obj))
(*count)++;
virDomainObjUnlock(obj);
}
int virDomainObjListNumOfDomains(virDomainObjListPtr doms, int active)
{
int count = 0;
if (active)
virHashForEach(doms->objs, virDomainObjListCountActive, &count);
else
virHashForEach(doms->objs, virDomainObjListCountInactive, &count);
return count;
}
struct virDomainIDData {
int numids;
int maxids;
int *ids;
};
static void virDomainObjListCopyActiveIDs(void *payload, const char *name ATTRIBUTE_UNUSED, void *opaque)
{
virDomainObjPtr obj = payload;
struct virDomainIDData *data = opaque;
virDomainObjLock(obj);
if (virDomainObjIsActive(obj) && data->numids < data->maxids)
data->ids[data->numids++] = obj->def->id;
virDomainObjUnlock(obj);
}
int virDomainObjListGetActiveIDs(virDomainObjListPtr doms,
int *ids,
int maxids)
{
struct virDomainIDData data = { 0, maxids, ids };
virHashForEach(doms->objs, virDomainObjListCopyActiveIDs, &data);
return data.numids;
}
struct virDomainNameData {
int oom;
int numnames;
int maxnames;
char **const names;
};
static void virDomainObjListCopyInactiveNames(void *payload, const char *name ATTRIBUTE_UNUSED, void *opaque)
{
virDomainObjPtr obj = payload;
struct virDomainNameData *data = opaque;
if (data->oom)
return;
virDomainObjLock(obj);
if (!virDomainObjIsActive(obj) && data->numnames < data->maxnames) {
if (!(data->names[data->numnames] = strdup(obj->def->name)))
data->oom = 1;
else
data->numnames++;
}
virDomainObjUnlock(obj);
}
int virDomainObjListGetInactiveNames(virDomainObjListPtr doms,
char **const names,
int maxnames)
{
struct virDomainNameData data = { 0, 0, maxnames, names };
int i;
virHashForEach(doms->objs, virDomainObjListCopyInactiveNames, &data);
if (data.oom) {
virReportOOMError(NULL);
goto cleanup;
}
return data.numnames;
cleanup:
for (i = 0 ; i < data.numnames ; i++)
VIR_FREE(data.names[i]);
return -1;
}
#endif /* ! PROXY */
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