Parallels driver is 'stateless', like vmware or openvz drivers.
It collects information about domains during startup using
command-line utility prlctl. VMs in Parallels are identified by UUIDs
or unique names, which can be used as respective fields in
virDomainDef structure. Currently only basic info, like
description, virtual cpus number and memory amount, is implemented.
Querying devices information will be added in the next patches.
Parallels doesn't support non-persistent domains - you can't run
a domain having only disk image, it must always be registered
in system.
Functions for querying domain info have been just copied from
test driver with some changes - they extract needed data from
previously created list of virDomainObj objects.
Signed-off-by: Dmitry Guryanov <dguryanov@xxxxxxxxxxxxx>
---
po/POTFILES.in | 1 +
src/Makefile.am | 3 +-
src/parallels/parallels_driver.c | 569 ++++++++++++++++++++++++++++++++++++++
src/parallels/parallels_utils.c | 92 ++++++
src/parallels/parallels_utils.h | 29 ++
5 files changed, 693 insertions(+), 1 deletions(-)
create mode 100644 src/parallels/parallels_utils.c
create mode 100644 src/parallels/parallels_utils.h
diff --git a/po/POTFILES.in b/po/POTFILES.in
index c4a84a9..e952f2d 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -65,6 +65,7 @@ src/openvz/openvz_conf.c
src/openvz/openvz_driver.c
src/openvz/openvz_util.c
src/parallels/parallels_driver.c
+src/parallels/parallels_utils.c
src/phyp/phyp_driver.c
src/qemu/qemu_agent.c
src/qemu/qemu_bridge_filter.c
diff --git a/src/Makefile.am b/src/Makefile.am
index ca0c930..eac8d99 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -485,7 +485,8 @@ HYPERV_DRIVER_EXTRA_DIST = \
PARALLELS_DRIVER_SOURCES = \
parallels/parallels_driver.h \
- parallels/parallels_driver.c
+ parallels/parallels_driver.c \
+ parallels/parallels_utils.c
NETWORK_DRIVER_SOURCES = \
network/bridge_driver.h network/bridge_driver.c
diff --git a/src/parallels/parallels_driver.c b/src/parallels/parallels_driver.c
index 00a9074..c716b25 100644
--- a/src/parallels/parallels_driver.c
+++ b/src/parallels/parallels_driver.c
@@ -54,14 +54,28 @@
#include "domain_conf.h"
#include "storage_conf.h"
#include "domain_event.h"
+#include "virdomainlist.h"
#include "parallels_driver.h"
+#include "parallels_utils.h"
#define VIR_FROM_THIS VIR_FROM_PARALLELS
#define PRLCTL "prlctl"
#define PARALLELS_DEFAULT_ARCH "x86_64"
+#define parallelsDomNotFoundError(domain) \
+ do { \
+ char uuidstr[VIR_UUID_STRING_BUFLEN]; \
+ virUUIDFormat(domain->uuid, uuidstr); \
+ virReportError(VIR_ERR_NO_DOMAIN, \
+ _("no domain with matching uuid '%s'"), uuidstr); \
+ } while (0)
+
+#define parallelsParseError() \
+ virReportErrorHelper(VIR_FROM_TEST, VIR_ERR_OPERATION_FAILED, __FILE__, \
+ __FUNCTION__, __LINE__, _("Can't parse prlctl output"))
+
struct _parallelsConn {
virMutex lock;
virDomainObjList domains;
@@ -73,6 +87,14 @@ struct _parallelsConn {
typedef struct _parallelsConn parallelsConn;
typedef struct _parallelsConn *parallelsConnPtr;
+struct parallelsDomObj {
+ int id;
+ char *uuid;
+ char *os;
+};
+
+typedef struct parallelsDomObj *parallelsDomObjPtr;
+
static int parallelsClose(virConnectPtr conn);
static void
@@ -93,6 +115,19 @@ parallelsDefaultConsoleType(const char *ostype ATTRIBUTE_UNUSED)
return VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SERIAL;
}
+static void
+parallelsDomObjFreePrivate(void *p)
+{
+ parallelsDomObjPtr pdom = p;
+
+ if (!pdom)
+ return;
+
+ VIR_FREE(pdom->uuid);
+ VIR_FREE(pdom->os);
+ VIR_FREE(p);
+};
+
static virCapsPtr
parallelsBuildCapabilities(void)
{
@@ -141,6 +176,209 @@ parallelsGetCapabilities(virConnectPtr conn)
return xml;
}
+/*
+ * Must be called with privconn->lock held
+ */
+static virDomainObjPtr
+parallelsLoadDomain(parallelsConnPtr privconn, virJSONValuePtr jobj)
+{
+ virDomainObjPtr dom = NULL;
+ virDomainDefPtr def = NULL;
+ parallelsDomObjPtr pdom = NULL;
+ virJSONValuePtr jobj2, jobj3;
+ const char *tmp;
+ char *endptr;
+ unsigned long mem;
+ unsigned int x;
+ const char *autostart;
+ const char *state;
+
+ if (VIR_ALLOC(def) < 0)
+ goto no_memory;
+
+ def->virtType = VIR_DOMAIN_VIRT_PARALLELS;
+ def->id = -1;
+
+ if (!(tmp = virJSONValueObjectGetString(jobj, "Name"))) {
+ parallelsParseError();
+ goto cleanup;
+ }
+ if (!(def->name = strdup(tmp)))
+ goto no_memory;
+
+ if (!(tmp = virJSONValueObjectGetString(jobj, "ID"))) {
+ parallelsParseError();
+ goto cleanup;
+ }
+
+ if (virUUIDParse(tmp, def->uuid) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("UUID in config file malformed"));
+ goto cleanup;
+ }
+
+ if (!(tmp = virJSONValueObjectGetString(jobj, "Description"))) {
+ parallelsParseError();
+ goto cleanup;
+ }
+ if (!(def->description = strdup(tmp)))
+ goto no_memory;
+
+ if (!(jobj2 = virJSONValueObjectGet(jobj, "Hardware"))) {
+ parallelsParseError();
+ goto cleanup;
+ }
+
+ if (!(jobj3 = virJSONValueObjectGet(jobj2, "cpu"))) {
+ parallelsParseError();
+ goto cleanup;
+ }
+
+ if (virJSONValueObjectGetNumberUint(jobj3, "cpus", &x) < 0) {
+ parallelsParseError();
+ goto cleanup;
+ }
+ def->vcpus = x;
+ def->maxvcpus = x;
+
+ if (!(jobj3 = virJSONValueObjectGet(jobj2, "memory"))) {
+ parallelsParseError();
+ goto cleanup;
+ }
+
+ if (!(tmp = virJSONValueObjectGetString(jobj3, "size"))) {
+ parallelsParseError();
+ goto cleanup;
+ }
+
+ if (virStrToLong_ul(tmp, &endptr, 10, &mem) < 0) {
+ parallelsParseError();
+ goto cleanup;
+ }
+
+ if (!STREQ(endptr, "Mb")) {
+ parallelsParseError();
+ goto cleanup;
+ }
+
+ def->mem.max_balloon = mem;
+ def->mem.max_balloon <<= 10;
+ def->mem.cur_balloon = def->mem.max_balloon;
+
+ if (!(def->os.type = strdup("hvm")))
+ goto no_memory;
+
+ if (!(def->os.arch = strdup(PARALLELS_DEFAULT_ARCH)))
+ goto no_memory;
+
+ if (VIR_ALLOC(pdom) < 0)
+ goto no_memory;
+
+ if (virJSONValueObjectGetNumberUint(jobj, "EnvID", &x) < 0)
+ goto cleanup;
+ pdom->id = x;
+ if (!(tmp = virJSONValueObjectGetString(jobj, "ID"))) {
+ parallelsParseError();
+ goto cleanup;
+ }
+ if (!(pdom->uuid = strdup(tmp)))
+ goto no_memory;
+
+ if (!(tmp = virJSONValueObjectGetString(jobj, "OS")))
+ goto cleanup;
+ if (!(pdom->os = strdup(tmp)))
+ goto no_memory;
+
+ if (!(state = virJSONValueObjectGetString(jobj, "State"))) {
+ parallelsParseError();
+ goto cleanup;
+ }
+
+ if (!(autostart = virJSONValueObjectGetString(jobj, "Autostart"))) {
+ parallelsParseError();
+ goto cleanup;
+ }
+
+ if (!(dom = virDomainAssignDef(privconn->caps,
+ &privconn->domains, def, false)))
+ goto cleanup;
+ /* dom is locked here */
+
+ dom->privateDataFreeFunc = parallelsDomObjFreePrivate;
+ dom->privateData = pdom;
+ dom->persistent = 1;
+
+ /* TODO: handle all possible states */
+ if (STREQ(state, "running")) {
+ virDomainObjSetState(dom, VIR_DOMAIN_RUNNING,
+ VIR_DOMAIN_RUNNING_BOOTED);
+ def->id = pdom->id;
+ }
+
+ if (STREQ(autostart, "on"))
+ dom->autostart = 1;
+ else
+ dom->autostart = 0;
+
+ virDomainObjUnlock(dom);
+
+ return dom;
+
+ no_memory:
+ virReportOOMError();
+ cleanup:
+ virDomainDefFree(def);
+ parallelsDomObjFreePrivate(pdom);
+ return NULL;
+}
+
+/*
+ * Must be called with privconn->lock held
+ *
+ * if domain_name is NULL - load information about all
+ * registered domains.
+ */
+static int
+parallelsLoadDomains(parallelsConnPtr privconn, const char *domain_name)
+{
+ int count, i;
+ virJSONValuePtr jobj;
+ virJSONValuePtr jobj2;
+ virDomainObjPtr dom = NULL;
+ int ret = -1;
+
+ jobj = parallelsParseOutput(PRLCTL, "list", "-j", "-a", "-i", "-H",
+ "--vmtype", "vm", domain_name, NULL);
+ if (!jobj) {
+ parallelsParseError();
+ goto cleanup;
+ }
+
+ count = virJSONValueArraySize(jobj);
+ if (count < 0) {
+ parallelsParseError();
+ goto cleanup;
+ }
+
+ for (i = 0; i < count; i++) {
+ jobj2 = virJSONValueArrayGet(jobj, i);
+ if (!jobj2) {
+ parallelsParseError();
+ goto cleanup;
+ }
+
+ dom = parallelsLoadDomain(privconn, jobj2);
+ if (!dom)
+ goto cleanup;
+ }
+
+ ret = 0;
+
+ cleanup:
+ virJSONValueFree(jobj);
+ return ret;
+}
+
static int
parallelsOpenDefault(virConnectPtr conn)
{
@@ -164,6 +402,9 @@ parallelsOpenDefault(virConnectPtr conn)
conn->privateData = privconn;
+ if (parallelsLoadDomains(privconn, NULL))
+ goto error;
+
return VIR_DRV_OPEN_SUCCESS;
error:
@@ -250,6 +491,320 @@ parallelsGetVersion(virConnectPtr conn ATTRIBUTE_UNUSED, unsigned long *hvVer)
return 0;
}
+static int
+parallelsListDomains(virConnectPtr conn, int *ids, int maxids)
+{
+ parallelsConnPtr privconn = conn->privateData;
+ int n;
+
+ parallelsDriverLock(privconn);
+ n = virDomainObjListGetActiveIDs(&privconn->domains, ids, maxids);
+ parallelsDriverUnlock(privconn);
+
+ return n;
+}
+
+static int
+parallelsNumOfDomains(virConnectPtr conn)
+{
+ parallelsConnPtr privconn = conn->privateData;
+ int count;
+
+ parallelsDriverLock(privconn);
+ count = virDomainObjListNumOfDomains(&privconn->domains, 1);
+ parallelsDriverUnlock(privconn);
+
+ return count;
+}
+
+static int
+parallelsListDefinedDomains(virConnectPtr conn, char **const names, int maxnames)
+{
+ parallelsConnPtr privconn = conn->privateData;
+ int n;
+
+ parallelsDriverLock(privconn);
+ memset(names, 0, sizeof(*names) * maxnames);
+ n = virDomainObjListGetInactiveNames(&privconn->domains, names,
+ maxnames);
+ parallelsDriverUnlock(privconn);
+
+ return n;
+}
+
+static int
+parallelsNumOfDefinedDomains(virConnectPtr conn)
+{
+ parallelsConnPtr privconn = conn->privateData;
+ int count;
+
+ parallelsDriverLock(privconn);
+ count = virDomainObjListNumOfDomains(&privconn->domains, 0);
+ parallelsDriverUnlock(privconn);
+
+ return count;
+}
+
+static int
+parallelsListAllDomains(virConnectPtr conn,
+ virDomainPtr **domains,
+ unsigned int flags)
+{
+ parallelsConnPtr privconn = conn->privateData;
+ int ret = -1;
+
+ virCheckFlags(VIR_CONNECT_LIST_FILTERS_ALL, -1);
+ parallelsDriverLock(privconn);
+ ret = virDomainList(conn, privconn->domains.objs, domains, flags);
+ parallelsDriverUnlock(privconn);
+
+ return ret;
+}
+
+static virDomainPtr
+parallelsLookupDomainByID(virConnectPtr conn, int id)
+{
+ parallelsConnPtr privconn = conn->privateData;
+ virDomainPtr ret = NULL;
+ virDomainObjPtr dom;
+
+ parallelsDriverLock(privconn);
+ dom = virDomainFindByID(&privconn->domains, id);
+ parallelsDriverUnlock(privconn);
+
+ if (dom == NULL) {
+ virReportError(VIR_ERR_NO_DOMAIN, NULL);
+ goto cleanup;
+ }
+
+ ret = virGetDomain(conn, dom->def->name, dom->def->uuid);
+ if (ret)
+ ret->id = dom->def->id;
+
+ cleanup:
+ if (dom)
+ virDomainObjUnlock(dom);
+ return ret;
+}
+
+static virDomainPtr
+parallelsLookupDomainByUUID(virConnectPtr conn, const unsigned char *uuid)
+{
+ parallelsConnPtr privconn = conn->privateData;
+ virDomainPtr ret = NULL;
+ virDomainObjPtr dom;
+
+ parallelsDriverLock(privconn);
+ dom = virDomainFindByUUID(&privconn->domains, uuid);
+ parallelsDriverUnlock(privconn);
+
+ if (dom == NULL) {
+ char uuidstr[VIR_UUID_STRING_BUFLEN];
+ virUUIDFormat(uuid, uuidstr);
+ virReportError(VIR_ERR_NO_DOMAIN,
+ _("no domain with matching uuid '%s'"), uuidstr);
+ goto cleanup;
+ }
+
+ ret = virGetDomain(conn, dom->def->name, dom->def->uuid);
+ if (ret)
+ ret->id = dom->def->id;
+
+ cleanup:
+ if (dom)
+ virDomainObjUnlock(dom);
+ return ret;
+}
+
+static virDomainPtr
+parallelsLookupDomainByName(virConnectPtr conn, const char *name)
+{
+ parallelsConnPtr privconn = conn->privateData;
+ virDomainPtr ret = NULL;
+ virDomainObjPtr dom;
+
+ parallelsDriverLock(privconn);
+ dom = virDomainFindByName(&privconn->domains, name);
+ parallelsDriverUnlock(privconn);
+
+ if (dom == NULL) {
+ virReportError(VIR_ERR_NO_DOMAIN,
+ _("no domain with matching name '%s'"), name);
+ goto cleanup;
+ }
+
+ ret = virGetDomain(conn, dom->def->name, dom->def->uuid);
+ if (ret)
+ ret->id = dom->def->id;
+
+ cleanup:
+ if (dom)
+ virDomainObjUnlock(dom);
+ return ret;
+}
+
+static int
+parallelsGetDomainInfo(virDomainPtr domain, virDomainInfoPtr info)
+{
+ parallelsConnPtr privconn = domain->conn->privateData;
+ virDomainObjPtr privdom;
+ int ret = -1;
+
+ parallelsDriverLock(privconn);
+ privdom = virDomainFindByUUID(&privconn->domains, domain->uuid);
+ parallelsDriverUnlock(privconn);
+
+ if (privdom == NULL) {
+ parallelsDomNotFoundError(domain);
+ goto cleanup;
+ }
+
+ info->state = virDomainObjGetState(privdom, NULL);
+ info->memory = privdom->def->mem.cur_balloon;
+ info->maxMem = privdom->def->mem.max_balloon;
+ info->nrVirtCpu = privdom->def->vcpus;
+ info->cpuTime = 0;
+ ret = 0;
+
+ cleanup:
+ if (privdom)
+ virDomainObjUnlock(privdom);
+ return ret;
+}
+
+static char *
+parallelsGetOSType(virDomainPtr domain)
+{
+ parallelsConnPtr privconn = domain->conn->privateData;
+ virDomainObjPtr privdom;
+ parallelsDomObjPtr pdom;
+
+ char *ret = NULL;
+
+ parallelsDriverLock(privconn);
+ privdom = virDomainFindByUUID(&privconn->domains, domain->uuid);
+ if (privdom == NULL) {
+ parallelsDomNotFoundError(domain);
+ goto cleanup;
+ }
+
+ pdom = privdom->privateData;
+
+ if (!(ret = strdup(pdom->os)))
+ virReportOOMError();
+
+ cleanup:
+ if (privdom)
+ virDomainObjUnlock(privdom);
+ parallelsDriverUnlock(privconn);
+ return ret;
+}
+
+static int
+parallelsDomainIsPersistent(virDomainPtr domain)
+{
+ parallelsConnPtr privconn = domain->conn->privateData;
+ virDomainObjPtr privdom;
+ int ret = -1;
+
+ parallelsDriverLock(privconn);
+ privdom = virDomainFindByUUID(&privconn->domains, domain->uuid);
+ if (privdom == NULL) {
+ parallelsDomNotFoundError(domain);
+ goto cleanup;
+ }
+
+ ret = 1;
+
+ cleanup:
+ if (privdom)
+ virDomainObjUnlock(privdom);
+ parallelsDriverUnlock(privconn);
+ return ret;
+}
+
+static int
+parallelsDomainGetState(virDomainPtr domain,
+ int *state, int *reason, unsigned int flags)
+{
+ parallelsConnPtr privconn = domain->conn->privateData;
+ virDomainObjPtr privdom;
+ int ret = -1;
+ virCheckFlags(0, -1);
+
+ parallelsDriverLock(privconn);
+ privdom = virDomainFindByUUID(&privconn->domains, domain->uuid);
+ parallelsDriverUnlock(privconn);
+
+ if (privdom == NULL) {
+ parallelsDomNotFoundError(domain);
+ goto cleanup;
+ }
+
+ *state = virDomainObjGetState(privdom, reason);
+ ret = 0;
+
+ cleanup:
+ if (privdom)
+ virDomainObjUnlock(privdom);
+ return ret;
+}
+
+static char *
+parallelsDomainGetXMLDesc(virDomainPtr domain, unsigned int flags)
+{
+ parallelsConnPtr privconn = domain->conn->privateData;
+ virDomainDefPtr def;
+ virDomainObjPtr privdom;
+ char *ret = NULL;
+
+ /* Flags checked by virDomainDefFormat */
+
+ parallelsDriverLock(privconn);
+ privdom = virDomainFindByUUID(&privconn->domains, domain->uuid);
+ parallelsDriverUnlock(privconn);
+
+ if (privdom == NULL) {
+ parallelsDomNotFoundError(domain);
+ goto cleanup;
+ }
+
+ def = (flags & VIR_DOMAIN_XML_INACTIVE) &&
+ privdom->newDef ? privdom->newDef : privdom->def;
+
+ ret = virDomainDefFormat(def, flags);
+
+ cleanup:
+ if (privdom)
+ virDomainObjUnlock(privdom);
+ return ret;
+}
+
+static int
+parallelsDomainGetAutostart(virDomainPtr domain, int *autostart)
+{
+ parallelsConnPtr privconn = domain->conn->privateData;
+ virDomainObjPtr privdom;
+ int ret = -1;
+
+ parallelsDriverLock(privconn);
+ privdom = virDomainFindByUUID(&privconn->domains, domain->uuid);
+ parallelsDriverUnlock(privconn);
+
+ if (privdom == NULL) {
+ parallelsDomNotFoundError(domain);
+ goto cleanup;
+ }
+
+ *autostart = privdom->autostart;
+ ret = 0;
+
+ cleanup:
+ if (privdom)
+ virDomainObjUnlock(privdom);
+ return ret;
+}
+
static virDriver parallelsDriver = {
.no = VIR_DRV_PARALLELS,
.name = "Parallels",
@@ -259,6 +814,20 @@ static virDriver parallelsDriver = {
.getHostname = virGetHostname, /* 0.10.0 */
.nodeGetInfo = nodeGetInfo, /* 0.10.0 */
.getCapabilities = parallelsGetCapabilities, /* 0.10.0 */
+ .listDomains = parallelsListDomains, /* 0.10.0 */
+ .numOfDomains = parallelsNumOfDomains, /* 0.10.0 */
+ .listDefinedDomains = parallelsListDefinedDomains, /* 0.10.0 */
+ .numOfDefinedDomains = parallelsNumOfDefinedDomains, /* 0.10.0 */
+ .listAllDomains = parallelsListAllDomains, /* 0.10.0 */
+ .domainLookupByID = parallelsLookupDomainByID, /* 0.10.0 */
+ .domainLookupByUUID = parallelsLookupDomainByUUID, /* 0.10.0 */
+ .domainLookupByName = parallelsLookupDomainByName, /* 0.10.0 */
+ .domainGetOSType = parallelsGetOSType, /* 0.10.0 */
+ .domainGetInfo = parallelsGetDomainInfo, /* 0.10.0 */
+ .domainGetState = parallelsDomainGetState, /* 0.10.0 */
+ .domainGetXMLDesc = parallelsDomainGetXMLDesc, /* 0.10.0 */
+ .domainIsPersistent = parallelsDomainIsPersistent, /* 0.10.0 */
+ .domainGetAutostart = parallelsDomainGetAutostart, /* 0.10.0 */
};
/**
diff --git a/src/parallels/parallels_utils.c b/src/parallels/parallels_utils.c
new file mode 100644
index 0000000..102ccfc
--- /dev/null
+++ b/src/parallels/parallels_utils.c
@@ -0,0 +1,92 @@
+/*
+ * parallels_utils.c: core driver functions for managing
+ * Parallels Virtuozzo Server hosts
+ *
+ * Copyright (C) 2012 Parallels, Inc.
+ *
+ * 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
+ *
+ */
+
+#include <config.h>
+
+#include <stdarg.h>
+
+#include "command.h"
+#include "virterror_internal.h"
+#include "memory.h"
+#include "json.h"
+
+#include "parallels_utils.h"
+
+#define VIR_FROM_THIS VIR_FROM_PARALLELS
+
+static int
+parallelsDoCmdRun(char **outbuf, const char *binary, va_list list)
+{
+ virCommandPtr cmd = virCommandNew(binary);
+ const char *arg;
+ char *scmd = NULL;
+ int ret = -1;
+
+ while ((arg = va_arg(list, const char *)) != NULL)
+ virCommandAddArg(cmd, arg);
+
+ if (outbuf)
+ virCommandSetOutputBuffer(cmd, outbuf);
+
+ scmd = virCommandToString(cmd);
+ if (!scmd)
+ goto cleanup;
+
+ if (virCommandRun(cmd, NULL))
+ goto cleanup;
+
+ ret = 0;
+
+ cleanup:
+ VIR_FREE(scmd);
+ virCommandFree(cmd);
+ if (ret)
+ VIR_FREE(*outbuf);
+ return ret;
+}
+
+/*
+ * Run command and parse its JSON output, return
+ * pointer to virJSONValue or NULL in case of error.
+ */
+virJSONValuePtr
+parallelsParseOutput(const char *binary, ...)
+{
+ char *outbuf;
+ virJSONValuePtr jobj = NULL;
+ va_list list;
+ int ret;
+
+ va_start(list, binary);
+ ret = parallelsDoCmdRun(&outbuf, binary, list);
+ va_end(list);
+ if (ret)
+ return NULL;
+
+ jobj = virJSONValueFromString(outbuf);
+ if (!jobj)
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("invalid output from prlctl: %s"), outbuf);
+
+ VIR_FREE(outbuf);
+ return jobj;
+}
diff --git a/src/parallels/parallels_utils.h b/src/parallels/parallels_utils.h
new file mode 100644
index 0000000..a17cbab
--- /dev/null
+++ b/src/parallels/parallels_utils.h
@@ -0,0 +1,29 @@
+/*
+ * parallels_utils.h: core driver functions for managing
+ * Parallels Virtuozzo Server hosts
+ *
+ * Copyright (C) 2012 Parallels, Inc.
+ *
+ * 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
+ *
+ */
+
+#ifndef PARALLELS_UTILS_H
+# define PARALLELS_UTILS_H
+
+virJSONValuePtr parallelsParseOutput(const char *binary, ...)
+ ATTRIBUTE_NONNULL(1) ATTRIBUTE_SENTINEL;
+
+#endif
--
1.7.1
--
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