From: "Daniel P. Berrange" <berra...@redhat.com>
As a step towards making virDomainObjList thread-safe turn it
into an opaque virObject, preventing any direct access to its
internals.
As part of this a new method virDomainObjListForEach is
introduced to replace all existing usage of virHashForEach
---
src/conf/domain_conf.c | 65 ++++++++++++++++++++++----
src/conf/domain_conf.h | 14 +++---
src/conf/nwfilter_conf.c | 22 ++++-----
src/conf/nwfilter_conf.h | 6 +--
src/libvirt_private.syms | 2 +-
src/libxl/libxl_driver.c | 51 +++++++++++----------
src/lxc/lxc_driver.c | 9 ++--
src/lxc/lxc_process.c | 28 +++++++-----
src/nwfilter/nwfilter_gentech_driver.c | 36 +++++++--------
src/nwfilter/nwfilter_gentech_driver.h | 7 +--
src/openvz/openvz_conf.c | 71 ++++++++++++++--------------
src/parallels/parallels_driver.c | 4 +-
src/parallels/parallels_storage.c | 34 ++++----------
src/qemu/qemu_driver.c | 84 +++++++++++++++++-----------------
src/qemu/qemu_process.c | 15 +++---
src/test/test_driver.c | 6 +--
src/uml/uml_driver.c | 29 ++++++------
src/vmware/vmware_conf.c | 2 +-
src/vmware/vmware_driver.c | 12 ++---
19 files changed, 266 insertions(+), 231 deletions(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 990e6e4..3861e68 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -58,6 +58,15 @@
* verify that it doesn't overflow an unsigned int when shifting */
verify(VIR_DOMAIN_VIRT_LAST <= 32);
+
+struct _virDomainObjList {
+ virObject parent;
+
+ /* uuid string -> virDomainObj mapping
+ * for O(1), lockless lookup-by-uuid */
+ virHashTable *objs;
+};
+
/* Private flags used internally by virDomainSaveStatus and
* virDomainLoadStatus. */
typedef enum {
@@ -694,7 +703,9 @@ VIR_ENUM_IMPL(virDomainNumatuneMemPlacementMode,
#define VIR_DOMAIN_XML_READ_FLAGS VIR_DOMAIN_XML_INACTIVE
static virClassPtr virDomainObjClass;
+static virClassPtr virDomainObjListClass;
static void virDomainObjDispose(void *obj);
+static void virDomainObjListDispose(void *obj);
static int virDomainObjOnceInit(void)
{
@@ -704,6 +715,12 @@ static int virDomainObjOnceInit(void)
virDomainObjDispose)))
return -1;
+ if (!(virDomainObjListClass = virClassNew(virClassForObject(),
+ "virDomainObjList",
+ sizeof(virDomainObjList),
+ virDomainObjListDispose)))
+ return -1;
+
return 0;
}
@@ -780,26 +797,26 @@ virDomainObjListPtr virDomainObjListNew(void)
{
virDomainObjListPtr doms;
- if (VIR_ALLOC(doms) < 0) {
- virReportOOMError();
+ if (virDomainObjInitialize() < 0)
+ return NULL;
+
+ if (!(doms = virObjectLockableNew(virDomainObjListClass)))
return NULL;
- }
- doms->objs = virHashCreate(50, virDomainObjListDataFree);
- if (!doms->objs) {
- VIR_FREE(doms);
+ if (!(doms->objs = virHashCreate(50, virDomainObjListDataFree))) {
+ virObjectUnref(doms);
return NULL;
}
+
return doms;
}
-void virDomainObjListFree(virDomainObjListPtr doms)
+static void virDomainObjListDispose(void *obj)
{
- if (!doms)
- return;
+ virDomainObjListPtr doms = obj;
+
virHashFree(doms->objs);
- VIR_FREE(doms);
}
@@ -15224,6 +15241,34 @@ cleanup:
return -1;
}
+
+struct virDomainListIterData {
+ virDomainObjListIterator callback;
+ void *opaque;
+ int ret;
+};
+
+static void virDomainObjListHelper(void *payload, const void *name
ATTRIBUTE_UNUSED, void *opaque)
+{
+ struct virDomainListIterData *data = opaque;
+
+ if (data->callback(payload, data->opaque) < 0)
+ data->ret = -1;
+}
+
+int virDomainObjListForEach(virDomainObjListPtr doms,
+ virDomainObjListIterator callback,
+ void *opaque)
+{
+ struct virDomainListIterData data = {
+ callback, opaque, 0,
+ };
+ virHashForEach(doms->objs, virDomainObjListHelper, &data);
+
+ return data.ret;
+}
+
+
int virDomainChrDefForeach(virDomainDefPtr def,
bool abortOnError,
virDomainChrDefIterator iter,
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index fab04a2..3ad1173 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -37,7 +37,6 @@
# include "virhash.h"
# include "virsocketaddr.h"
# include "nwfilter_params.h"
-# include "nwfilter_conf.h"
# include "virnetdevmacvlan.h"
# include "virsysinfo.h"
# include "virnetdevvportprofile.h"
@@ -1893,11 +1892,6 @@ struct _virDomainObj {
typedef struct _virDomainObjList virDomainObjList;
typedef virDomainObjList *virDomainObjListPtr;
-struct _virDomainObjList {
- /* uuid string -> virDomainObj mapping
- * for O(1), lockless lookup-by-uuid */
- virHashTable *objs;
-};
static inline bool
virDomainObjIsActive(virDomainObjPtr dom)
@@ -1908,7 +1902,6 @@ virDomainObjIsActive(virDomainObjPtr dom)
virDomainObjPtr virDomainObjNew(virCapsPtr caps);
virDomainObjListPtr virDomainObjListNew(void);
-void virDomainObjListFree(virDomainObjListPtr objs);
virDomainObjPtr virDomainObjListFindByID(const virDomainObjListPtr doms,
int id);
@@ -2176,6 +2169,13 @@ int virDomainObjListGetInactiveNames(virDomainObjListPtr
doms,
char **const names,
int maxnames);
+typedef int (*virDomainObjListIterator)(virDomainObjPtr dom,
+ void *opaque);
+
+int virDomainObjListForEach(virDomainObjListPtr doms,
+ virDomainObjListIterator callback,
+ void *opaque);
+
typedef int (*virDomainSmartcardDefIterator)(virDomainDefPtr def,
virDomainSmartcardDefPtr dev,
void *opaque);
diff --git a/src/conf/nwfilter_conf.c b/src/conf/nwfilter_conf.c
index ca22411..e63a04b 100644
--- a/src/conf/nwfilter_conf.c
+++ b/src/conf/nwfilter_conf.c
@@ -2867,7 +2867,7 @@ virNWFilterCallbackDriversUnlock(void)
}
-static virHashIterator virNWFilterDomainFWUpdateCB;
+static virDomainObjListIterator virNWFilterDomainFWUpdateCB;
/**
* virNWFilterInstFiltersOnAllVMs:
@@ -2880,7 +2880,6 @@ virNWFilterInstFiltersOnAllVMs(virConnectPtr conn)
int i;
struct domUpdateCBStruct cb = {
.conn = conn,
- .err = 0, /* ignored here */
.step = STEP_APPLY_CURRENT,
.skipInterfaces = NULL, /* not needed */
};
@@ -2897,10 +2896,9 @@ static int
virNWFilterTriggerVMFilterRebuild(virConnectPtr conn)
{
int i;
- int err;
+ int ret = 0;
struct domUpdateCBStruct cb = {
.conn = conn,
- .err = 0,
.step = STEP_APPLY_NEW,
.skipInterfaces = virHashCreate(0, NULL),
};
@@ -2909,16 +2907,14 @@ virNWFilterTriggerVMFilterRebuild(virConnectPtr conn)
return -1;
for (i = 0; i < nCallbackDriver; i++) {
- callbackDrvArray[i]->vmFilterRebuild(conn,
- virNWFilterDomainFWUpdateCB,
- &cb);
+ if (callbackDrvArray[i]->vmFilterRebuild(conn,
+ virNWFilterDomainFWUpdateCB,
+ &cb) < 0)
+ ret = -1;
}
- err = cb.err;
-
- if (err) {
+ if (ret < 0) {
cb.step = STEP_TEAR_NEW; /* rollback */
- cb.err = 0;
for (i = 0; i < nCallbackDriver; i++)
callbackDrvArray[i]->vmFilterRebuild(conn,
@@ -2935,7 +2931,7 @@ virNWFilterTriggerVMFilterRebuild(virConnectPtr conn)
virHashFree(cb.skipInterfaces);
- return err;
+ return ret;
}
@@ -3503,7 +3499,7 @@ char *virNWFilterConfigFile(const char *dir,
}
-int virNWFilterConfLayerInit(virHashIterator domUpdateCB)
+int virNWFilterConfLayerInit(virDomainObjListIterator domUpdateCB)
{
virNWFilterDomainFWUpdateCB = domUpdateCB;
diff --git a/src/conf/nwfilter_conf.h b/src/conf/nwfilter_conf.h
index 35f8dde..b4573f5 100644
--- a/src/conf/nwfilter_conf.h
+++ b/src/conf/nwfilter_conf.h
@@ -34,6 +34,7 @@
# include "virbuffer.h"
# include "virsocketaddr.h"
# include "virmacaddr.h"
+# include "domain_conf.h"
/* XXX
* The config parser/structs should not be using platform specific
@@ -588,7 +589,6 @@ enum UpdateStep {
struct domUpdateCBStruct {
virConnectPtr conn;
enum UpdateStep step;
- int err;
virHashTablePtr skipInterfaces;
};
@@ -725,14 +725,14 @@ void virNWFilterObjUnlock(virNWFilterObjPtr obj);
void virNWFilterLockFilterUpdates(void);
void virNWFilterUnlockFilterUpdates(void);
-int virNWFilterConfLayerInit(virHashIterator domUpdateCB);
+int virNWFilterConfLayerInit(virDomainObjListIterator domUpdateCB);
void virNWFilterConfLayerShutdown(void);
int virNWFilterInstFiltersOnAllVMs(virConnectPtr conn);
typedef int (*virNWFilterRebuild)(virConnectPtr conn,
- virHashIterator, void *data);
+ virDomainObjListIterator, void *data);
typedef void (*virNWFilterVoidCall)(void);
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 8fe181b..bdc8e9b 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -475,7 +475,7 @@ virDomainObjListExport;
virDomainObjListFindByID;
virDomainObjListFindByName;
virDomainObjListFindByUUID;
-virDomainObjListFree;
+virDomainObjListForEach;
virDomainObjListGetActiveIDs;
virDomainObjListGetInactiveNames;
virDomainObjListIsDuplicate;
diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
index b6dce0d..1ce3057 100644
--- a/src/libxl/libxl_driver.c
+++ b/src/libxl/libxl_driver.c
@@ -98,12 +98,12 @@ struct _libxlEventHookInfo {
};
static virClassPtr libxlDomainObjPrivateClass;
+
static libxlDriverPrivatePtr libxl_driver = NULL;
/* Function declarations */
-static void
-libxlDomainManagedSaveLoad(void *payload,
- const void *n ATTRIBUTE_UNUSED,
+static int
+libxlDomainManagedSaveLoad(virDomainObjPtr vm,
void *opaque);
static int
@@ -433,13 +433,13 @@ libxlDomainEventQueue(libxlDriverPrivatePtr driver,
virDomainEventPtr event)
virDomainEventStateQueue(driver->domainEventState, event);
}
-static void
-libxlAutostartDomain(void *payload, const void *name ATTRIBUTE_UNUSED,
+static int
+libxlAutostartDomain(virDomainObjPtr vm,
void *opaque)
{
libxlDriverPrivatePtr driver = opaque;
- virDomainObjPtr vm = payload;
virErrorPtr err;
+ int ret = -1;
virObjectLock(vm);
virResetLastError();
@@ -450,10 +450,14 @@ libxlAutostartDomain(void *payload, const void *name
ATTRIBUTE_UNUSED,
VIR_ERROR(_("Failed to autostart VM '%s': %s"),
vm->def->name,
err ? err->message : _("unknown error"));
+ goto cleanup;
}
+ ret = 0;
+cleanup:
if (vm)
virObjectUnlock(vm);
+ return ret;
}
static int
@@ -1005,12 +1009,10 @@ error:
* Reconnect to running domains that were previously started/created
* with libxenlight driver.
*/
-static void
-libxlReconnectDomain(void *payload,
- const void *name ATTRIBUTE_UNUSED,
+static int
+libxlReconnectDomain(virDomainObjPtr vm,
void *opaque)
{
- virDomainObjPtr vm = payload;
libxlDriverPrivatePtr driver = opaque;
int rc;
libxl_dominfo d_info;
@@ -1047,7 +1049,7 @@ libxlReconnectDomain(void *payload,
/* Recreate domain death et. al. events */
libxlCreateDomEvents(vm);
virObjectUnlock(vm);
- return;
+ return 0;
out:
libxlVmCleanup(driver, vm, VIR_DOMAIN_SHUTOFF_UNKNOWN);
@@ -1055,12 +1057,14 @@ out:
virDomainObjListRemove(driver->domains, vm);
else
virObjectUnlock(vm);
+
+ return -1;
}
static void
libxlReconnectDomains(libxlDriverPrivatePtr driver)
{
- virHashForEach(driver->domains->objs, libxlReconnectDomain, driver);
+ virDomainObjListForEach(driver->domains, libxlReconnectDomain, driver);
}
static int
@@ -1071,7 +1075,7 @@ libxlShutdown(void)
libxlDriverLock(libxl_driver);
virCapabilitiesFree(libxl_driver->caps);
- virDomainObjListFree(libxl_driver->domains);
+ virObjectUnref(libxl_driver->domains);
libxl_ctx_free(libxl_driver->ctx);
xtl_logger_destroy(libxl_driver->logger);
if (libxl_driver->logger_file)
@@ -1252,11 +1256,11 @@ libxlStartup(bool privileged,
NULL, NULL) < 0)
goto error;
- virHashForEach(libxl_driver->domains->objs, libxlAutostartDomain,
- libxl_driver);
+ virDomainObjListForEach(libxl_driver->domains, libxlAutostartDomain,
+ libxl_driver);
- virHashForEach(libxl_driver->domains->objs, libxlDomainManagedSaveLoad,
- libxl_driver);
+ virDomainObjListForEach(libxl_driver->domains, libxlDomainManagedSaveLoad,
+ libxl_driver);
libxlDriverUnlock(libxl_driver);
@@ -1288,8 +1292,8 @@ libxlReload(void)
1, 1 << VIR_DOMAIN_VIRT_XEN,
NULL, libxl_driver);
- virHashForEach(libxl_driver->domains->objs, libxlAutostartDomain,
- libxl_driver);
+ virDomainObjListForEach(libxl_driver->domains, libxlAutostartDomain,
+ libxl_driver);
libxlDriverUnlock(libxl_driver);
@@ -2406,14 +2410,13 @@ cleanup:
return ret;
}
-static void
-libxlDomainManagedSaveLoad(void *payload,
- const void *n ATTRIBUTE_UNUSED,
+static int
+libxlDomainManagedSaveLoad(virDomainObjPtr vm,
void *opaque)
{
- virDomainObjPtr vm = payload;
libxlDriverPrivatePtr driver = opaque;
char *name;
+ int ret = -1;
virObjectLock(vm);
@@ -2422,9 +2425,11 @@ libxlDomainManagedSaveLoad(void *payload,
vm->hasManagedSave = virFileExists(name);
+ ret = 0;
cleanup:
virObjectUnlock(vm);
VIR_FREE(name);
+ return ret;
}
static int
diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index 3611821..9dbab67 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -58,6 +58,7 @@
#include "fdstream.h"
#include "domain_audit.h"
#include "domain_nwfilter.h"
+#include "nwfilter_conf.h"
#include "network/bridge_driver.h"
#include "virinitctl.h"
#include "virnetdev.h"
@@ -82,11 +83,9 @@ virLXCDriverPtr lxc_driver = NULL;
/* callbacks for nwfilter */
static int
lxcVMFilterRebuild(virConnectPtr conn ATTRIBUTE_UNUSED,
- virHashIterator iter, void *data)
+ virDomainObjListIterator iter, void *data)
{
- virHashForEach(lxc_driver->domains->objs, iter, data);
-
- return 0;
+ return virDomainObjListForEach(lxc_driver->domains, iter, data);
}
static void
@@ -1556,7 +1555,7 @@ static int lxcShutdown(void)
lxcDriverLock(lxc_driver);
virNWFilterUnRegisterCallbackDriver(&lxcCallbackDriver);
- virDomainObjListFree(lxc_driver->domains);
+ virObjectUnref(lxc_driver->domains);
virDomainEventStateFree(lxc_driver->domainEventState);
virLXCProcessAutoDestroyShutdown(lxc_driver);
diff --git a/src/lxc/lxc_process.c b/src/lxc/lxc_process.c
index 0c943ea..aaa81a7 100644
--- a/src/lxc/lxc_process.c
+++ b/src/lxc/lxc_process.c
@@ -1246,17 +1246,18 @@ struct virLXCProcessAutostartData {
virConnectPtr conn;
};
-static void
-virLXCProcessAutostartDomain(void *payload, const void *name ATTRIBUTE_UNUSED,
void *opaque)
+static int
+virLXCProcessAutostartDomain(virDomainObjPtr vm,
+ void *opaque)
{
- virDomainObjPtr vm = payload;
const struct virLXCProcessAutostartData *data = opaque;
+ int ret = 0;
virObjectLock(vm);
if (vm->autostart &&
!virDomainObjIsActive(vm)) {
- int ret = virLXCProcessStart(data->conn, data->driver, vm, false,
- VIR_DOMAIN_RUNNING_BOOTED);
+ ret = virLXCProcessStart(data->conn, data->driver, vm, false,
+ VIR_DOMAIN_RUNNING_BOOTED);
virDomainAuditStart(vm, "booted", ret >= 0);
if (ret < 0) {
virErrorPtr err = virGetLastError();
@@ -1273,6 +1274,7 @@ virLXCProcessAutostartDomain(void *payload, const void
*name ATTRIBUTE_UNUSED, v
}
}
virObjectUnlock(vm);
+ return ret;
}
@@ -1290,19 +1292,22 @@ virLXCProcessAutostartAll(virLXCDriverPtr driver)
struct virLXCProcessAutostartData data = { driver, conn };
lxcDriverLock(driver);
- virHashForEach(driver->domains->objs, virLXCProcessAutostartDomain, &data);
+ virDomainObjListForEach(driver->domains,
+ virLXCProcessAutostartDomain,
+ &data);
lxcDriverUnlock(driver);
if (conn)
virConnectClose(conn);
}
-static void
-virLXCProcessReconnectDomain(void *payload, const void *name ATTRIBUTE_UNUSED,
void *opaque)
+static int
+virLXCProcessReconnectDomain(virDomainObjPtr vm,
+ void *opaque)
{
- virDomainObjPtr vm = payload;
virLXCDriverPtr driver = opaque;
virLXCDomainObjPrivatePtr priv;
+ int ret = -1;
virObjectLock(vm);
VIR_DEBUG("Reconnect id=%d pid=%d state=%d", vm->def->id, vm->pid,
vm->state.state);
@@ -1346,9 +1351,10 @@ virLXCProcessReconnectDomain(void *payload, const void
*name ATTRIBUTE_UNUSED, v
vm->def->id = -1;
}
+ ret = 0;
cleanup:
virObjectUnlock(vm);
- return;
+ return ret;
error:
virLXCProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_FAILED);
@@ -1360,6 +1366,6 @@ error:
int virLXCProcessReconnectAll(virLXCDriverPtr driver,
virDomainObjListPtr doms)
{
- virHashForEach(doms->objs, virLXCProcessReconnectDomain, driver);
+ virDomainObjListForEach(doms, virLXCProcessReconnectDomain, driver);
return 0;
}
diff --git a/src/nwfilter/nwfilter_gentech_driver.c
b/src/nwfilter/nwfilter_gentech_driver.c
index 8508f06..958f47a 100644
--- a/src/nwfilter/nwfilter_gentech_driver.c
+++ b/src/nwfilter/nwfilter_gentech_driver.c
@@ -1150,16 +1150,15 @@ virNWFilterTeardownFilter(const virDomainNetDefPtr net)
}
-void
-virNWFilterDomainFWUpdateCB(void *payload,
- const void *name ATTRIBUTE_UNUSED,
+int
+virNWFilterDomainFWUpdateCB(virDomainObjPtr obj,
void *data)
{
- virDomainObjPtr obj = payload;
virDomainDefPtr vm = obj->def;
struct domUpdateCBStruct *cb = data;
- int i, err;
+ int i;
bool skipIface;
+ int ret = 0;
virObjectLock(obj);
@@ -1169,45 +1168,46 @@ virNWFilterDomainFWUpdateCB(void *payload,
if ((net->filter) && (net->ifname)) {
switch (cb->step) {
case STEP_APPLY_NEW:
- cb->err = virNWFilterUpdateInstantiateFilter(cb->conn,
- vm->uuid,
- net,
- &skipIface);
- if (cb->err == 0 && skipIface) {
+ ret = virNWFilterUpdateInstantiateFilter(cb->conn,
+ vm->uuid,
+ net,
+ &skipIface);
+ if (ret == 0 && skipIface) {
/* filter tree unchanged -- no update needed */
- cb->err = virHashAddEntry(cb->skipInterfaces,
- net->ifname,
- (void *)~0);
+ ret = virHashAddEntry(cb->skipInterfaces,
+ net->ifname,
+ (void *)~0);
}
break;
case STEP_TEAR_NEW:
if (!virHashLookup(cb->skipInterfaces, net->ifname)) {
- cb->err = virNWFilterRollbackUpdateFilter(net);
+ ret = virNWFilterRollbackUpdateFilter(net);
}
break;
case STEP_TEAR_OLD:
if (!virHashLookup(cb->skipInterfaces, net->ifname)) {
- cb->err = virNWFilterTearOldFilter(net);
+ ret = virNWFilterTearOldFilter(net);
}
break;
case STEP_APPLY_CURRENT:
- err = virNWFilterInstantiateFilter(cb->conn,
+ ret = virNWFilterInstantiateFilter(cb->conn,
vm->uuid,
net);
- if (err)
+ if (ret)
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failure while applying current
filter on "
"VM %s"), vm->name);
break;
}
- if (cb->err)
+ if (ret)
break;
}
}
}
virObjectUnlock(obj);
+ return ret;
}
diff --git a/src/nwfilter/nwfilter_gentech_driver.h
b/src/nwfilter/nwfilter_gentech_driver.h
index a632ca6..4b47b4a 100644
--- a/src/nwfilter/nwfilter_gentech_driver.h
+++ b/src/nwfilter/nwfilter_gentech_driver.h
@@ -23,6 +23,8 @@
#ifndef __NWFILTER_GENTECH_DRIVER_H
# define __NWFILTER_GENTECH_DRIVER_H
+# include "nwfilter_conf.h"
+
virNWFilterTechDriverPtr virNWFilterTechDriverForName(const char *name);
int virNWFilterRuleInstAddData(virNWFilterRuleInstPtr res,
@@ -60,8 +62,7 @@ int virNWFilterTeardownFilter(const virDomainNetDefPtr net);
virNWFilterHashTablePtr virNWFilterCreateVarHashmap(char *macaddr,
const virNWFilterVarValuePtr);
-void virNWFilterDomainFWUpdateCB(void *payload,
- const void *name,
- void *data);
+int virNWFilterDomainFWUpdateCB(virDomainObjPtr vm,
+ void *data);
#endif
diff --git a/src/openvz/openvz_conf.c b/src/openvz/openvz_conf.c
index 46f30ca..6eacbca 100644
--- a/src/openvz/openvz_conf.c
+++ b/src/openvz/openvz_conf.c
@@ -558,7 +558,7 @@ openvzFreeDriver(struct openvz_driver *driver)
if (!driver)
return;
- virDomainObjListFree(driver->domains);
+ virObjectUnref(driver->domains);
virCapabilitiesFree(driver->caps);
VIR_FREE(driver);
}
@@ -570,6 +570,7 @@ int openvzLoadDomains(struct openvz_driver *driver) {
char *status;
char uuidstr[VIR_UUID_STRING_BUFLEN];
virDomainObjPtr dom = NULL;
+ virDomainDefPtr def = NULL;
char *temp = NULL;
char *outbuf = NULL;
char *line;
@@ -594,35 +595,20 @@ int openvzLoadDomains(struct openvz_driver *driver) {
}
*line++ = '\0';
- if (!(dom = virDomainObjNew(driver->caps)))
- goto cleanup;
-
- if (VIR_ALLOC(dom->def) < 0)
+ if (VIR_ALLOC(def) < 0)
goto no_memory;
- dom->def->virtType = VIR_DOMAIN_VIRT_OPENVZ;
-
- if (STREQ(status, "stopped")) {
- virDomainObjSetState(dom, VIR_DOMAIN_SHUTOFF,
- VIR_DOMAIN_SHUTOFF_UNKNOWN);
- } else {
- virDomainObjSetState(dom, VIR_DOMAIN_RUNNING,
- VIR_DOMAIN_RUNNING_UNKNOWN);
- }
+ def->virtType = VIR_DOMAIN_VIRT_OPENVZ;
- dom->pid = veid;
if (virDomainObjGetState(dom, NULL) == VIR_DOMAIN_SHUTOFF)
- dom->def->id = -1;
+ def->id = -1;
else
- dom->def->id = veid;
- /* XXX OpenVZ doesn't appear to have concept of a transient domain */
- dom->persistent = 1;
-
- if (virAsprintf(&dom->def->name, "%i", veid) < 0)
+ def->id = veid;
+ if (virAsprintf(&def->name, "%i", veid) < 0)
goto no_memory;
openvzGetVPSUUID(veid, uuidstr, sizeof(uuidstr));
- ret = virUUIDParse(uuidstr, dom->def->uuid);
+ ret = virUUIDParse(uuidstr, def->uuid);
if (ret == -1) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
@@ -630,9 +616,9 @@ int openvzLoadDomains(struct openvz_driver *driver) {
goto cleanup;
}
- if (!(dom->def->os.type = strdup("exe")))
+ if (!(def->os.type = strdup("exe")))
goto no_memory;
- if (!(dom->def->os.init = strdup("/sbin/init")))
+ if (!(def->os.init = strdup("/sbin/init")))
goto no_memory;
ret = openvzReadVPSConfigParam(veid, "CPUS", &temp);
@@ -642,35 +628,47 @@ int openvzLoadDomains(struct openvz_driver *driver) {
veid);
goto cleanup;
} else if (ret > 0) {
- dom->def->maxvcpus = strtoI(temp);
+ def->maxvcpus = strtoI(temp);
}
- if (ret == 0 || dom->def->maxvcpus == 0)
- dom->def->maxvcpus = openvzGetNodeCPUs();
- dom->def->vcpus = dom->def->maxvcpus;
+ if (ret == 0 || def->maxvcpus == 0)
+ def->maxvcpus = openvzGetNodeCPUs();
+ def->vcpus = def->maxvcpus;
/* XXX load rest of VM config data .... */
- openvzReadNetworkConf(dom->def, veid);
- openvzReadFSConf(dom->def, veid);
- openvzReadMemConf(dom->def, veid);
+ openvzReadNetworkConf(def, veid);
+ openvzReadFSConf(def, veid);
+ openvzReadMemConf(def, veid);
- virUUIDFormat(dom->def->uuid, uuidstr);
- if (virHashLookup(driver->domains->objs, uuidstr)) {
+ virUUIDFormat(def->uuid, uuidstr);
+ if (virDomainObjListIsDuplicate(driver->domains, def, true)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Duplicate container UUID %s detected for %d"),
uuidstr,
veid);
goto cleanup;
}
- if (virHashAddEntry(driver->domains->objs, uuidstr, dom) < 0) {
- virReportError(VIR_ERR_INTERNAL_ERROR,
- _("Could not add UUID for container %d"), veid);
+ if (!(dom = virDomainObjListAdd(driver->domains,
+ driver->caps,
+ def,
+ STRNEQ(status, "stopped"))))
goto cleanup;
+
+ if (STREQ(status, "stopped")) {
+ virDomainObjSetState(dom, VIR_DOMAIN_SHUTOFF,
+ VIR_DOMAIN_SHUTOFF_UNKNOWN);
+ } else {
+ virDomainObjSetState(dom, VIR_DOMAIN_RUNNING,
+ VIR_DOMAIN_RUNNING_UNKNOWN);
}
+ /* XXX OpenVZ doesn't appear to have concept of a transient domain */
+ dom->persistent = 1;
+ dom->pid = veid;
virObjectUnlock(dom);
dom = NULL;
+ def = NULL;
}
virCommandFree(cmd);
@@ -687,6 +685,7 @@ int openvzLoadDomains(struct openvz_driver *driver) {
VIR_FREE(temp);
VIR_FREE(outbuf);
virObjectUnref(dom);
+ virDomainDefFree(def);
return -1;
}
diff --git a/src/parallels/parallels_driver.c b/src/parallels/parallels_driver.c
index 6f3e995..bc05a51 100644
--- a/src/parallels/parallels_driver.c
+++ b/src/parallels/parallels_driver.c
@@ -940,7 +940,7 @@ parallelsOpenDefault(virConnectPtr conn)
return VIR_DRV_OPEN_SUCCESS;
error:
- virDomainObjListFree(privconn->domains);
+ virObjectUnref(privconn->domains);
virCapabilitiesFree(privconn->caps);
virStoragePoolObjListFree(&privconn->pools);
VIR_FREE(privconn);
@@ -987,7 +987,7 @@ parallelsClose(virConnectPtr conn)
parallelsDriverLock(privconn);
virCapabilitiesFree(privconn->caps);
- virDomainObjListFree(privconn->domains);
+ virObjectUnref(privconn->domains);
conn->privateData = NULL;
parallelsDriverUnlock(privconn);
diff --git a/src/parallels/parallels_storage.c
b/src/parallels/parallels_storage.c
index 612168e..1186296 100644
--- a/src/parallels/parallels_storage.c
+++ b/src/parallels/parallels_storage.c
@@ -122,11 +122,6 @@ cleanup:
}
-struct parallelsPoolsAddData {
- virConnectPtr conn;
- bool failed;
-};
-
/*
* Generate unique pool name by path
*/
@@ -404,26 +399,20 @@ cleanup:
}
-static void
-parallelsPoolsAdd(void *payload,
- const void *name ATTRIBUTE_UNUSED,
+static int
+parallelsPoolsAdd(virDomainObjPtr dom,
void *opaque)
{
- struct parallelsPoolsAddData *data = (struct parallelsPoolsAddData
*)opaque;
- virDomainObjPtr dom = payload;
+ virConnectPtr conn = opaque;
virStoragePoolObjPtr pool;
- if (!(pool = parallelsPoolAddByDomain(data->conn, dom))) {
- data->failed = true;
- return;
- }
+ if (!(pool = parallelsPoolAddByDomain(conn, dom)))
+ return -1;
- if (parallelsFindVmVolumes(pool, dom)) {
- data->failed = true;
- return;
- }
+ if (parallelsFindVmVolumes(pool, dom))
+ return -1;
- return;
+ return 0;
}
static int parallelsLoadPools(virConnectPtr conn)
@@ -432,7 +421,6 @@ static int parallelsLoadPools(virConnectPtr conn)
virStorageDriverStatePtr storageState = conn->storagePrivateData;
char *base = NULL;
size_t i;
- struct parallelsPoolsAddData data;
if ((base = strdup(SYSCONFDIR "/libvirt")) == NULL)
goto out_of_memory;
@@ -456,11 +444,7 @@ static int parallelsLoadPools(virConnectPtr conn)
goto error;
}
- data.conn = conn;
- data.failed = false;
- virHashForEach(privconn->domains->objs, parallelsPoolsAdd, &data);
-
- if (data.failed)
+ if (virDomainObjListForEach(privconn->domains, parallelsPoolsAdd, conn) <
0)
goto error;
for (i = 0; i < privconn->pools.count; i++) {
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 3cc7916..a02e989 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -79,6 +79,7 @@
#include "cpu/cpu.h"
#include "virsysinfo.h"
#include "domain_nwfilter.h"
+#include "nwfilter_conf.h"
#include "virhook.h"
#include "virstoragefile.h"
#include "virfile.h"
@@ -144,9 +145,8 @@ static int qemuDomainObjStart(virConnectPtr conn,
static int qemuDomainGetMaxVcpus(virDomainPtr dom);
-static void qemuDomainManagedSaveLoad(void *payload,
- const void *n ATTRIBUTE_UNUSED,
- void *opaque);
+static int qemuDomainManagedSaveLoad(virDomainObjPtr vm,
+ void *opaque);
virQEMUDriverPtr qemu_driver = NULL;
@@ -166,11 +166,9 @@ qemuVMDriverUnlock(void) {
static int
qemuVMFilterRebuild(virConnectPtr conn ATTRIBUTE_UNUSED,
- virHashIterator iter, void *data)
+ virDomainObjListIterator iter, void *data)
{
- virHashForEach(qemu_driver->domains->objs, iter, data);
-
- return 0;
+ return virDomainObjListForEach(qemu_driver->domains, iter, data);
}
static virNWFilterCallbackDriver qemuCallbackDriver = {
@@ -278,15 +276,15 @@ qemuSnapObjFromSnapshot(virDomainObjPtr vm,
return qemuSnapObjFromName(vm, snapshot->name);
}
-static void
-qemuAutostartDomain(void *payload, const void *name ATTRIBUTE_UNUSED,
+static int
+qemuAutostartDomain(virDomainObjPtr vm,
void *opaque)
{
- virDomainObjPtr vm = payload;
struct qemuAutostartData *data = opaque;
virErrorPtr err;
int flags = 0;
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(data->driver);
+ int ret = -1;
if (cfg->autoStartBypassCache)
flags |= VIR_DOMAIN_START_BYPASS_CACHE;
@@ -315,10 +313,12 @@ qemuAutostartDomain(void *payload, const void *name
ATTRIBUTE_UNUSED,
vm = NULL;
}
+ ret = 0;
cleanup:
if (vm)
virObjectUnlock(vm);
virObjectUnref(cfg);
+ return ret;
}
@@ -336,7 +336,7 @@ qemuAutostartDomains(virQEMUDriverPtr driver)
struct qemuAutostartData data = { driver, conn };
qemuDriverLock(driver);
- virHashForEach(driver->domains->objs, qemuAutostartDomain, &data);
+ virDomainObjListForEach(driver->domains, qemuAutostartDomain, &data);
qemuDriverUnlock(driver);
if (conn)
@@ -489,18 +489,15 @@ err_exit:
}
-static void
-qemuDomainSnapshotLoad(void *payload,
- const void *name ATTRIBUTE_UNUSED,
+static int
+qemuDomainSnapshotLoad(virDomainObjPtr vm,
void *data)
{
- virDomainObjPtr vm = (virDomainObjPtr)payload;
char *baseDir = (char *)data;
char *snapDir = NULL;
DIR *dir = NULL;
struct dirent *entry;
char *xmlStr;
- int ret;
char *fullpath;
virDomainSnapshotDefPtr def = NULL;
virDomainSnapshotObjPtr snap = NULL;
@@ -509,6 +506,7 @@ qemuDomainSnapshotLoad(void *payload,
unsigned int flags = (VIR_DOMAIN_SNAPSHOT_PARSE_REDEFINE |
VIR_DOMAIN_SNAPSHOT_PARSE_DISKS |
VIR_DOMAIN_SNAPSHOT_PARSE_INTERNAL);
+ int ret = -1;
virObjectLock(vm);
if (virAsprintf(&snapDir, "%s/%s", baseDir, vm->def->name) < 0) {
@@ -541,8 +539,7 @@ qemuDomainSnapshotLoad(void *payload,
continue;
}
- ret = virFileReadAll(fullpath, 1024*1024*1, &xmlStr);
- if (ret < 0) {
+ if (virFileReadAll(fullpath, 1024*1024*1, &xmlStr) < 0) {
/* Nothing we can do here, skip this one */
VIR_ERROR(_("Failed to read snapshot file %s: %s"), fullpath,
virStrerror(errno, ebuf, sizeof(ebuf)));
@@ -596,21 +593,21 @@ qemuDomainSnapshotLoad(void *payload,
virResetLastError();
+ ret = 0;
cleanup:
if (dir)
closedir(dir);
VIR_FREE(snapDir);
virObjectUnlock(vm);
+ return ret;
}
-static void
-qemuDomainNetsRestart(void *payload,
- const void *name ATTRIBUTE_UNUSED,
+static int
+qemuDomainNetsRestart(virDomainObjPtr vm,
void *data ATTRIBUTE_UNUSED)
{
int i;
- virDomainObjPtr vm = (virDomainObjPtr)payload;
virDomainDefPtr def = vm->def;
virObjectLock(vm);
@@ -631,19 +628,20 @@ qemuDomainNetsRestart(void *payload,
}
virObjectUnlock(vm);
+ return 0;
}
-static void
-qemuDomainFindMaxID(void *payload,
- const void *name ATTRIBUTE_UNUSED,
+static int
+qemuDomainFindMaxID(virDomainObjPtr vm,
void *data)
{
- virDomainObjPtr vm = payload;
int *driver_maxid = data;
if (vm->def->id >= *driver_maxid)
*driver_maxid = vm->def->id + 1;
+
+ return 0;
}
@@ -874,11 +872,13 @@ qemuStartup(bool privileged,
/* find the maximum ID from active and transient configs to initialize
* the driver with. This is to avoid race between autostart and reconnect
* threads */
- virHashForEach(qemu_driver->domains->objs,
- qemuDomainFindMaxID,
- &qemu_driver->nextvmid);
+ virDomainObjListForEach(qemu_driver->domains,
+ qemuDomainFindMaxID,
+ &qemu_driver->nextvmid);
- virHashForEach(qemu_driver->domains->objs, qemuDomainNetsRestart, NULL);
+ virDomainObjListForEach(qemu_driver->domains,
+ qemuDomainNetsRestart,
+ NULL);
conn = virConnectOpen(cfg->uri);
@@ -894,13 +894,13 @@ qemuStartup(bool privileged,
goto error;
- virHashForEach(qemu_driver->domains->objs,
- qemuDomainSnapshotLoad,
- cfg->snapshotDir);
+ virDomainObjListForEach(qemu_driver->domains,
+ qemuDomainSnapshotLoad,
+ cfg->snapshotDir);
- virHashForEach(qemu_driver->domains->objs,
- qemuDomainManagedSaveLoad,
- qemu_driver);
+ virDomainObjListForEach(qemu_driver->domains,
+ qemuDomainManagedSaveLoad,
+ qemu_driver);
qemu_driver->workerPool = virThreadPoolNew(0, 1, 0, processWatchdogEvent,
qemu_driver);
if (!qemu_driver->workerPool)
@@ -1054,7 +1054,7 @@ qemuShutdown(void) {
virCapabilitiesFree(qemu_driver->caps);
qemuCapsCacheFree(qemu_driver->capsCache);
- virDomainObjListFree(qemu_driver->domains);
+ virObjectUnref(qemu_driver->domains);
virObjectUnref(qemu_driver->remotePorts);
virSysinfoDefFree(qemu_driver->hostsysinfo);
@@ -3128,14 +3128,13 @@ cleanup:
return ret;
}
-static void
-qemuDomainManagedSaveLoad(void *payload,
- const void *n ATTRIBUTE_UNUSED,
+static int
+qemuDomainManagedSaveLoad(virDomainObjPtr vm,
void *opaque)
{
- virDomainObjPtr vm = payload;
virQEMUDriverPtr driver = opaque;
char *name;
+ int ret = -1;
virObjectLock(vm);
@@ -3144,11 +3143,14 @@ qemuDomainManagedSaveLoad(void *payload,
vm->hasManagedSave = virFileExists(name);
+ ret = 0;
cleanup:
virObjectUnlock(vm);
VIR_FREE(name);
+ return ret;
}
+
static int
qemuDomainHasManagedSaveImage(virDomainPtr dom, unsigned int flags)
{
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index bc2a6de..91da3f0 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -3353,23 +3353,21 @@ error:
virObjectUnref(cfg);
}
-static void
-qemuProcessReconnectHelper(void *payload,
- const void *name ATTRIBUTE_UNUSED,
+static int
+qemuProcessReconnectHelper(virDomainObjPtr obj,
void *opaque)
{
virThread thread;
struct qemuProcessReconnectData *src = opaque;
struct qemuProcessReconnectData *data;
- virDomainObjPtr obj = payload;
if (VIR_ALLOC(data) < 0) {
virReportOOMError();
- return;
+ return -1;
}
memcpy(data, src, sizeof(*data));
- data->payload = payload;
+ data->payload = obj;
/* This iterator is called with driver being locked.
* We create a separate thread to run qemuProcessReconnect in it.
@@ -3430,10 +3428,11 @@ qemuProcessReconnectHelper(void *payload,
virObjectUnlock(obj);
- return;
+ return 0;
error:
VIR_FREE(data);
+ return -1;
}
/**
@@ -3446,7 +3445,7 @@ void
qemuProcessReconnectAll(virConnectPtr conn, virQEMUDriverPtr driver)
{
struct qemuProcessReconnectData data = {.conn = conn, .driver = driver};
- virHashForEach(driver->domains->objs, qemuProcessReconnectHelper, &data);
+ virDomainObjListForEach(driver->domains, qemuProcessReconnectHelper,
&data);
}
int
diff --git a/src/test/test_driver.c b/src/test/test_driver.c
index 505570f..cd47862 100644
--- a/src/test/test_driver.c
+++ b/src/test/test_driver.c
@@ -646,7 +646,7 @@ static int testOpenDefault(virConnectPtr conn) {
return VIR_DRV_OPEN_SUCCESS;
error:
- virDomainObjListFree(privconn->domains);
+ virObjectUnref(privconn->domains);
virNetworkObjListFree(&privconn->networks);
virInterfaceObjListFree(&privconn->ifaces);
virStoragePoolObjListFree(&privconn->pools);
@@ -1115,7 +1115,7 @@ static int testOpenFromFile(virConnectPtr conn,
VIR_FREE(ifaces);
VIR_FREE(pools);
VIR_FREE(devs);
- virDomainObjListFree(privconn->domains);
+ virObjectUnref(privconn->domains);
virNetworkObjListFree(&privconn->networks);
virInterfaceObjListFree(&privconn->ifaces);
virStoragePoolObjListFree(&privconn->pools);
@@ -1184,7 +1184,7 @@ static int testClose(virConnectPtr conn)
testConnPtr privconn = conn->privateData;
testDriverLock(privconn);
virCapabilitiesFree(privconn->caps);
- virDomainObjListFree(privconn->domains);
+ virObjectUnref(privconn->domains);
virNodeDeviceObjListFree(&privconn->devs);
virNetworkObjListFree(&privconn->networks);
virInterfaceObjListFree(&privconn->ifaces);
diff --git a/src/uml/uml_driver.c b/src/uml/uml_driver.c
index 591d3e4..27f5118 100644
--- a/src/uml/uml_driver.c
+++ b/src/uml/uml_driver.c
@@ -58,6 +58,7 @@
#include "datatypes.h"
#include "virlog.h"
#include "domain_nwfilter.h"
+#include "nwfilter_conf.h"
#include "virfile.h"
#include "fdstream.h"
#include "configmake.h"
@@ -148,11 +149,9 @@ static struct uml_driver *uml_driver = NULL;
static int
umlVMFilterRebuild(virConnectPtr conn ATTRIBUTE_UNUSED,
- virHashIterator iter, void *data)
+ virDomainObjListIterator iter, void *data)
{
- virHashForEach(uml_driver->domains->objs, iter, data);
-
- return 0;
+ return virDomainObjListForEach(uml_driver->domains, iter, data);
}
static void
@@ -179,16 +178,15 @@ struct umlAutostartData {
virConnectPtr conn;
};
-static void
-umlAutostartDomain(void *payload, const void *name ATTRIBUTE_UNUSED, void
*opaque)
+static int
+umlAutostartDomain(virDomainObjPtr vm,
+ void *opaque)
{
- virDomainObjPtr vm = payload;
const struct umlAutostartData *data = opaque;
-
+ int ret = 0;
virObjectLock(vm);
if (vm->autostart &&
!virDomainObjIsActive(vm)) {
- int ret;
virResetLastError();
ret = umlStartVMDaemon(data->conn, data->driver, vm, false);
virDomainAuditStart(vm, "booted", ret >= 0);
@@ -206,6 +204,7 @@ umlAutostartDomain(void *payload, const void *name
ATTRIBUTE_UNUSED, void *opaqu
}
}
virObjectUnlock(vm);
+ return ret;
}
static void
@@ -223,7 +222,7 @@ umlAutostartConfigs(struct uml_driver *driver) {
struct umlAutostartData data = { driver, conn };
umlDriverLock(driver);
- virHashForEach(driver->domains->objs, umlAutostartDomain, &data);
+ virDomainObjListForEach(driver->domains, umlAutostartDomain, &data);
umlDriverUnlock(driver);
if (conn)
@@ -602,10 +601,9 @@ umlReload(void) {
}
-static void
-umlShutdownOneVM(void *payload, const void *name ATTRIBUTE_UNUSED, void
*opaque)
+static int
+umlShutdownOneVM(virDomainObjPtr dom, void *opaque)
{
- virDomainObjPtr dom = payload;
struct uml_driver *driver = opaque;
virObjectLock(dom);
@@ -614,6 +612,7 @@ umlShutdownOneVM(void *payload, const void *name
ATTRIBUTE_UNUSED, void *opaque)
virDomainAuditStop(dom, "shutdown");
}
virObjectUnlock(dom);
+ return 0;
}
/**
@@ -635,9 +634,9 @@ umlShutdown(void) {
/* shutdown active VMs
* XXX allow them to stay around & reconnect */
- virHashForEach(uml_driver->domains->objs, umlShutdownOneVM, uml_driver);
+ virDomainObjListForEach(uml_driver->domains, umlShutdownOneVM, uml_driver);
- virDomainObjListFree(uml_driver->domains);
+ virObjectUnref(uml_driver->domains);
virDomainEventStateFree(uml_driver->domainEventState);
diff --git a/src/vmware/vmware_conf.c b/src/vmware/vmware_conf.c
index d2afce3..b616c1b 100644
--- a/src/vmware/vmware_conf.c
+++ b/src/vmware/vmware_conf.c
@@ -43,7 +43,7 @@ vmwareFreeDriver(struct vmware_driver *driver)
return;
virMutexDestroy(&driver->lock);
- virDomainObjListFree(driver->domains);
+ virObjectUnref(driver->domains);
virCapabilitiesFree(driver->caps);
VIR_FREE(driver);
}
diff --git a/src/vmware/vmware_driver.c b/src/vmware/vmware_driver.c
index 3b2d1e5..b99fca3 100644
--- a/src/vmware/vmware_driver.c
+++ b/src/vmware/vmware_driver.c
@@ -946,19 +946,19 @@ vmwareDomainXMLFromNative(virConnectPtr conn, const char
*nativeFormat,
return xml;
}
-static void vmwareDomainObjListUpdateDomain(void *payload, const void *name
ATTRIBUTE_UNUSED, void *data)
+static int vmwareDomainObjListUpdateDomain(virDomainObjPtr dom, void *data)
{
struct vmware_driver *driver = data;
- virDomainObjPtr vm = payload;
- virObjectLock(vm);
- ignore_value(vmwareUpdateVMStatus(driver, vm));
- virObjectUnlock(vm);
+ virObjectLock(dom);
+ ignore_value(vmwareUpdateVMStatus(driver, dom));
+ virObjectUnlock(dom);
+ return 0;
}
static void
vmwareDomainObjListUpdateAll(virDomainObjListPtr doms, struct vmware_driver
*driver)
{
- virHashForEach(doms->objs, vmwareDomainObjListUpdateDomain, driver);
+ virDomainObjListForEach(doms, vmwareDomainObjListUpdateDomain, driver);
}
static int
--
1.8.1
--
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