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[libvirt] [PATCH RFC 2/9] conf: Introduce virPoolObj and virPoolTableObj and PoolObj API's



Introduce a new generic virPoolObj[Ptr] and virPoolObjTable[Ptr] in order
to generically manage driver lists of objects rather than the current
hodgepodge of some drivers using a forward linked list and other drivers
using a single UUID only based hash table to look up objects.

The concept is to mimic the domain objects which keep objects in a UUID
hash table and a name hash table for faster lookup. There's also generic
API's in order to Lock, Reference, Unreference, and Unlock the objects to
remove the need for a heavy handed driver lock.

Since these are Hash Table objects rather than List Objects, the structures
and API's have been named thusly. These are all based upon the existing
generic object/class model so allocation/freeing is using existing API's.

In addition to common structures and API's, as each driver is converted
the driver specific ACL filter API's can be replaced by a generic pool
ACL filter API.

Each of the API's is designed to have a consistency with respect to returning
a locked and referenced object, so that a virPoolObjEndAPI can be called in
order to dereference and unlock the object.

The ultimate goal is to have a single way to think about these objects
management so that the various drivers don't have to have special or different
code in order to manage based on the "style" of list/table the driver needs
to manage.

A _virPoolObj uses a fairly generic structure:

    virObjectLockable parent;
    bool flags
    virPoolDefPtr pooldef;
    void *def;
    void *newDef;
    virFreeCallback defFreeFunc;
    void *privateData;
    void (*privateDataFreeFunc)(void *);

Access to the fields of the object is handled via API's to fetch or set
the various fields rather than allowing the calling driver to manage the
object directly. This ensures a more consistent look and feel to the code
for each driver.

The "def" and "newDef" field along with the defFreeFunc will point at
the driver's specific vir*DefPtr data and the FreeFunc handles the free
of the data when the object is finally removed.  The vir*DefPtr API's will
each need to be modified to take an "void *opaque" and assign that to the
specific driver definition type.

Most drivers have no need for privateData; however, a few drivers will
need to manage driver specific object private data. For those drivers
additional object management code is generated in order to manage the
Get, Set, and test of the private data. The goal being to have one set
of API's to manage the data rather than drivers directly touching it.

A _virPoolObjTable is another generic structure:

    virObjectLockable parent;
    virPoolObjTableType type;
    bool nameOnly;
    int hashStart;
    virHashTable *objsUuid;
    virHashTable *objsName;

Not every driver supports UUID's, so the UUID table isn't required, but
it is the preferred lookup mechanism.  The bool 'nameOnly' will help the
table code make those decisions.

The various Pool Object Table API's are taken from the current object list
managements and converted to use tables.

Objects are added to the table allowing for a callback mechanism to handle
driver specific "assignment" options when the object already appears in the
table and the driver would be managing the replacement of the "existing"
object "def".

There are common API's to Add, Clear, Remove, Search, Iterate, Collect,
List, Clone, and Prune objects. Each uses the same common methodology to
lock the table list, use the virHash* APIs, and unlock the table list
returning the requested data for the operation. Generally that means
a locked and referenced object. The virPoolObjEndAPI will handle the
dereference and unlocking.

Add new error code for the new poolobj subsystem

Signed-off-by: John Ferlan <jferlan redhat com>
---
 include/libvirt/virterror.h |    1 +
 po/POTFILES.in              |    1 +
 src/Makefile.am             |    5 +
 src/conf/virpoolobj.c       | 1184 +++++++++++++++++++++++++++++++++++++++++++
 src/conf/virpoolobj.h       |  222 ++++++++
 src/libvirt_private.syms    |   33 ++
 src/util/virerror.c         |    1 +
 7 files changed, 1447 insertions(+)
 create mode 100644 src/conf/virpoolobj.c
 create mode 100644 src/conf/virpoolobj.h

diff --git a/include/libvirt/virterror.h b/include/libvirt/virterror.h
index 2efee8f..2174334 100644
--- a/include/libvirt/virterror.h
+++ b/include/libvirt/virterror.h
@@ -132,6 +132,7 @@ typedef enum {
 
     VIR_FROM_PERF = 65,         /* Error from perf */
     VIR_FROM_LIBSSH = 66,       /* Error from libssh connection transport */
+    VIR_FROM_POOLOBJ = 67,      /* Error from the poolobj code */
 
 # ifdef VIR_ENUM_SENTINELS
     VIR_ERR_DOMAIN_LAST
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 365ea66..95fa9a6 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -42,6 +42,7 @@ src/conf/snapshot_conf.c
 src/conf/storage_conf.c
 src/conf/virchrdev.c
 src/conf/virdomainobjlist.c
+src/conf/virpoolobj.c
 src/conf/virsecretobj.c
 src/cpu/cpu.c
 src/cpu/cpu_arm.c
diff --git a/src/Makefile.am b/src/Makefile.am
index 2f32d41..03a8cf3 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -373,6 +373,10 @@ NWFILTER_CONF_SOURCES =						\
 		$(NWFILTER_PARAM_CONF_SOURCES)			\
 		conf/nwfilter_conf.c conf/nwfilter_conf.h
 
+# "Generic" poolobj sources
+POOLOBJ_SOURCES =						\
+		conf/virpoolobj.h conf/virpoolobj.c
+
 # Storage driver generic impl APIs
 STORAGE_CONF_SOURCES =                                         \
 		conf/storage_conf.h conf/storage_conf.c
@@ -405,6 +409,7 @@ CONF_SOURCES =							\
 		$(NETDEV_CONF_SOURCES)				\
 		$(DOMAIN_CONF_SOURCES)				\
 		$(OBJECT_EVENT_SOURCES)				\
+		$(POOLOBJ_SOURCES)				\
 		$(DOMAIN_EVENT_SOURCES)				\
 		$(NETWORK_EVENT_SOURCES)			\
 		$(STORAGE_EVENT_SOURCES)			\
diff --git a/src/conf/virpoolobj.c b/src/conf/virpoolobj.c
new file mode 100644
index 0000000..bca6524
--- /dev/null
+++ b/src/conf/virpoolobj.c
@@ -0,0 +1,1184 @@
+/*
+ * virpoolobj.c: internal pool objects handling
+ *
+ * Copyright (C) 2016 Red Hat, 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, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "datatypes.h"
+#include "viralloc.h"
+#include "virpoolobj.h"
+#include "virerror.h"
+#include "virlog.h"
+#include "virhash.h"
+#include "virstring.h"
+
+#define VIR_FROM_THIS VIR_FROM_POOLOBJ
+
+VIR_LOG_INIT("conf.virpoolobj");
+
+VIR_ENUM_DECL(virPoolObjTable);
+VIR_ENUM_IMPL(virPoolObjTable, VIR_POOLOBJTABLE_LAST,
+              "nodedev", "interface", "nwfilter", "volume", "block storage",
+              "secret", "network", "domain snapshot", "domain")
+
+struct _virPoolDef {
+    char *uuid;
+    char *name;
+};
+
+struct _virPoolObj {
+    virObjectLockable parent;
+
+    /* copy of the def->name and def->uuid (if available) used for lookups
+     * without needing to know the object type */
+    virPoolDefPtr pooldef;
+
+    /* Boolean states that can be managed by consumer */
+    bool active;       /* object is active or not */
+    bool beingRemoved; /* object being prepared for removal */
+    bool autostart;    /* object is autostarted */
+    bool persistent;   /* object definition is persistent */
+    bool updated;      /* object config has been updated in some way */
+
+    /* Boolean states managed by virPoolObj */
+    bool removing;  /* true when object has been removed from table(s) */
+
+    /* 'def' is the current config definition.
+     * 'newDef' is the next boot configuration.
+     * The 'type' value will describe which _vir*Def struct describes
+     * The 'privateData' will be private object data for each pool obj
+     * and specific to the 'type' of object being managed. */
+    void *def;
+    void *newDef;
+    virFreeCallback defFreeFunc;
+
+    /* Private data to be managed by the specific object using
+     * vir{$OBJ}ObjPrivate{Get|Set}{$FIELD} type API's. Each of those
+     * calling the virPoolObjGetPrivateData in order to access this field */
+    void *privateData;
+    void (*privateDataFreeFunc)(void *);
+};
+
+struct _virPoolObjTable {
+    virObjectLockable parent;
+    virPoolObjTableType type;
+    bool nameOnly;
+    int hashStart;
+
+    /* uuid string -> virPoolObj  mapping
+     * for O(1), lockless lookup-by-uuid */
+    virHashTable *objsUuid;
+
+    /* name -> virPoolObj mapping for O(1),
+     * lockless lookup-by-name */
+    virHashTable *objsName;
+};
+
+static virClassPtr virPoolObjClass;
+static void virPoolObjDispose(void *obj);
+
+static int
+virPoolObjOnceInit(void)
+{
+    if (!(virPoolObjClass = virClassNew(virClassForObjectLockable(),
+                                        "virPoolObj",
+                                        sizeof(virPoolObj),
+                                        virPoolObjDispose)))
+        return -1;
+
+    return 0;
+}
+VIR_ONCE_GLOBAL_INIT(virPoolObj)
+
+
+/**
+ * @pooldef: The 'name' and possible 'uuid' of the def for lookups
+ * @def: The 'def' for the object
+ * @newDef: The 'newDef' (next) for the object
+ * @defFreeFunc: The vir$OBJFreeDef callback
+ *
+ * Create/return a new poolobj to be placed into the hash table
+ *
+ * Returns: Object on success, NULL on failure
+ */
+virPoolObjPtr
+virPoolObjNew(virPoolDefPtr pooldef,
+              void *def,
+              void *newDef,
+              virFreeCallback defFreeFunc)
+{
+    virPoolObjPtr obj;
+
+    if (virPoolObjInitialize() < 0)
+        return NULL;
+
+    if (!(obj = virObjectLockableNew(virPoolObjClass)))
+        return NULL;
+
+    VIR_DEBUG("obj=%p pooldef=%p def=%p newDef=%p ff=%p",
+              obj, pooldef, def, newDef, defFreeFunc);
+    obj->pooldef = pooldef;
+    obj->def = def;
+    obj->newDef = newDef;
+    obj->defFreeFunc = defFreeFunc;
+
+    return obj;
+}
+
+
+static void
+virPoolDefFree(virPoolDefPtr def)
+{
+    if (!def)
+        return;
+
+    VIR_FREE(def->uuid);
+    VIR_FREE(def->name);
+    VIR_FREE(def);
+}
+
+
+static void
+virPoolObjDispose(void *_obj)
+{
+    virPoolObjPtr obj = _obj;
+
+    if (!obj)
+        return;
+
+    VIR_DEBUG("obj=%p, pooldef=%p def=%p newDef=%p ff=%p",
+              obj, obj->pooldef, obj->def, obj->newDef, obj->defFreeFunc);
+
+    virPoolDefFree(obj->pooldef);
+    (obj->defFreeFunc)(obj->def);
+    (obj->defFreeFunc)(obj->newDef);
+
+    if (obj->privateDataFreeFunc)
+        (obj->privateDataFreeFunc)(obj->privateData);
+}
+
+
+/**
+ * @obj: A locked poolobj pointer
+ * @active: The "new" state
+ *
+ * Set the @active bit in the object.
+ */
+void
+virPoolObjSetActive(virPoolObjPtr obj,
+                    bool active)
+{
+    obj->active = active;
+}
+
+
+/**
+ * @obj: A locked poolobj pointer
+ * @autostart: The @autostart value sent from the driver
+ *
+ * Set the @autostart bit in the object.
+ */
+void
+virPoolObjSetAutostart(virPoolObjPtr obj,
+                       bool autostart)
+{
+    obj->autostart = autostart;
+}
+
+
+/**
+ * @obj: A locked poolobj pointer
+ * @beingRemoved: The @beingRemoved value sent from the driver
+ *
+ * Set the @beingRemoved bit in the object.
+ */
+void
+virPoolObjSetBeingRemoved(virPoolObjPtr obj,
+                          bool beingRemoved)
+{
+    obj->beingRemoved = beingRemoved;
+}
+
+
+/**
+ * @obj: A locked poolobj pointer
+ * @persistent: The @persistent value sent from the driver
+ *
+ * Set the @persistent bit in the object.
+ */
+void
+virPoolObjSetPersistent(virPoolObjPtr obj,
+                        bool persistent)
+{
+    obj->persistent = persistent;
+}
+
+
+/**
+ * @obj: A locked poolobj pointer
+ * @def: Opaque 'def' to replace in the object
+ *
+ * Set the @def in the object. This code will call the defFreeFunc
+ * on the existing object in obj->def before assigning.
+ */
+void
+virPoolObjSetDef(virPoolObjPtr obj,
+                 void *def)
+{
+    obj->defFreeFunc(obj->def);
+    obj->def = def;
+}
+
+
+/**
+ * @obj: A locked poolobj pointer
+ * @newDef: Opaque 'newDef' to replace in the object
+ *
+ * Set the @newDef in the object. This code will call the defFreeFunc
+ * on the existing object in obj->newDef before assigning.
+ */
+void
+virPoolObjSetNewDef(virPoolObjPtr obj,
+                    void *newDef)
+{
+    obj->defFreeFunc(obj->newDef);
+    obj->newDef = newDef;
+}
+
+
+/**
+ * @obj: A locked poolobj pointer
+ * @privateData: Pointer to private data
+ * @privateDataFreeFunc: Callback function when the object is free t
+ *                       free the privateData details
+ *
+ * Set the @privateData address and @privateDataFreeFunc addresses.
+ */
+void
+virPoolObjSetPrivateData(virPoolObjPtr obj,
+                         void *privateData,
+                         virFreeCallback privateDataFreeFunc)
+{
+    obj->privateData = privateData;
+    obj->privateDataFreeFunc = privateDataFreeFunc;
+}
+
+
+/* virPoolObjIs{Active|Autostart|BeingRemoved|Persistent}
+ * @obj: A locked poolobj pointer
+ *
+ * Various accessor fetch functions for the bool bits in the object
+ */
+bool
+virPoolObjIsActive(const virPoolObj *obj)
+{
+    return obj->active;
+}
+
+
+bool
+virPoolObjIsAutostart(const virPoolObj *obj)
+{
+    return obj->autostart;
+}
+
+
+bool
+virPoolObjIsBeingRemoved(const virPoolObj *obj)
+{
+    return obj->beingRemoved;
+}
+
+
+bool
+virPoolObjIsPersistent(const virPoolObj *obj)
+{
+    return obj->persistent;
+}
+
+
+/**
+ * @obj: A locked poolobj pointer
+ *
+ * Return the obj->def pointer to the caller
+ */
+void *
+virPoolObjGetDef(const virPoolObj *obj)
+{
+    return obj->def;
+}
+
+
+/**
+ * @obj: A locked poolobj pointer
+ *
+ * Return the obj->newDef pointer to the caller
+ */
+void *
+virPoolObjGetNewDef(const virPoolObj *obj)
+{
+    return obj->newDef;
+}
+
+
+/**
+ * @obj: A locked poolobj pointer
+ *
+ * Return the obj->privateData pointer to the caller
+ */
+void *
+virPoolObjGetPrivateData(const virPoolObj *obj)
+{
+    return obj->privateData;
+}
+
+
+/**
+ * @obj: A locked and ref'd poolobj pointer
+ *
+ * Unref and unlock the object
+ */
+void
+virPoolObjEndAPI(virPoolObjPtr *obj)
+{
+    if (!*obj)
+        return;
+
+    virObjectUnlock(*obj);
+    virObjectUnref(*obj);
+    *obj = NULL;
+}
+
+
+static virClassPtr virPoolObjTableClass;
+static void virPoolObjTableDispose(void *obj);
+
+static int
+virPoolObjTableOnceInit(void)
+{
+    if (!(virPoolObjTableClass = virClassNew(virClassForObjectLockable(),
+                                             "virPoolObjTable",
+                                             sizeof(virPoolObjTable),
+                                             virPoolObjTableDispose)))
+        return -1;
+
+    return 0;
+}
+
+
+VIR_ONCE_GLOBAL_INIT(virPoolObjTable)
+
+/* virPoolObjTableNew:
+ * @type: The virPoolObjTableType type of hash table
+ * @hashStart: Initial size of the table
+ * @nameOnly: Whether the table will only have names
+ *
+ * Allocate the hash table object and initialize the hash table(s).
+ * At least a "Name" hash table is always allocated, but there may
+ * also be a "UUID" hash table as well based on the @nameOnly argument
+ *
+ * Returns: The hash table on success, NULL on failure
+ */
+virPoolObjTablePtr
+virPoolObjTableNew(virPoolObjTableType type,
+                   int hashStart,
+                   bool nameOnly)
+{
+    virPoolObjTablePtr poolobjs;
+
+    if (virPoolObjTableInitialize() < 0)
+        return NULL;
+
+    if (!(poolobjs = virObjectLockableNew(virPoolObjTableClass)))
+        return NULL;
+
+    VIR_DEBUG("objtable=%p type=%s",
+              poolobjs, virPoolObjTableTypeToString(type));
+    poolobjs->type = type;
+    poolobjs->hashStart = hashStart;
+    poolobjs->nameOnly = nameOnly;
+
+    if (!nameOnly &&
+        !(poolobjs->objsUuid = virHashCreate(hashStart, virObjectFreeHashData)))
+        goto error;
+
+    if (!(poolobjs->objsName = virHashCreate(hashStart, virObjectFreeHashData)))
+        goto error;
+
+    return poolobjs;
+
+ error:
+    virObjectUnref(poolobjs);
+    return NULL;
+}
+
+
+static void
+virPoolObjTableDispose(void *obj)
+{
+    virPoolObjTablePtr poolobjs = obj;
+
+    if (!poolobjs)
+        return;
+
+    VIR_DEBUG("objtable=%p type=%s",
+              poolobjs, virPoolObjTableTypeToString(poolobjs->type));
+
+    if (!poolobjs->nameOnly)
+        virHashFree(poolobjs->objsUuid);
+    virHashFree(poolobjs->objsName);
+}
+
+
+/* virPoolObjTableAdd[Locked]
+ * @poolobjs: Pool object table
+ * @new_uuidstr: Optional uuid by formatted string (offers more uniqueness)
+ * @new_name: Required name for uniqueness
+ * @def: Pointer to a void Object definition
+ * @newDef: Pointer to the "next" void Object definition
+ * @defFreeFunc: Callback to free the def/newDef
+ * @assignDefFunc: Callback to assign def logic (def/newDef manipulation)
+ * @assignFlags: Flags to pass to @assignDefFunc
+ *
+ * Search for the @new_uuidstr/@new_name keys in @poolobjs and either
+ * update the definition via the @assignDefFunc or add the @def and
+ * @newDef to @poolobjs.
+ *
+ * The @defFreeFunc is a reference to the vir*DefFree function for
+ * the type of pool
+ *
+ * The optional @assignDefFunc is a callback function that will
+ * handle the management of @def, @newDef, and @oldDef long with
+ * an @assignFlags option depending on how/where it's called.
+ *
+ * Returns: A locked pool object with incremented ref or NULL
+ *          Caller must use virPoolObjEndAPI when done.
+ */
+static virPoolObjPtr
+virPoolObjTableAddLocked(virPoolObjTablePtr poolobjs,
+                         const char *new_uuidstr,
+                         const char *new_name,
+                         void *def,
+                         void *newDef,
+                         void *oldDef,
+                         virFreeCallback defFreeFunc,
+                         virPoolObjTableAssignDefFunc assignDefFunc,
+                         unsigned int assignFlags)
+{
+    virPoolDefPtr pooldef = NULL;
+    virPoolObjPtr obj = NULL;
+
+    VIR_DEBUG("poolobjs=%p uuidstr=%s name=%s",
+              poolobjs, NULLSTR(new_uuidstr), new_name);
+
+    /* UUID is the primary search, although if the name is sufficiently
+     * unique (such as for node devices and interfaces), then name will
+     * be the primary */
+    if (poolobjs->nameOnly)
+        obj = virHashLookup(poolobjs->objsName, new_name);
+    else
+        obj = virHashLookup(poolobjs->objsUuid, new_uuidstr);
+
+    if (obj) {
+        virObjectLock(obj);
+
+        /* If used UUID for Lookup, ensure name matches too */
+        if (new_uuidstr && STRNEQ(obj->pooldef->name, new_name)) {
+            virReportError(VIR_ERR_OPERATION_FAILED,
+                           _("%s '%s' is already defined with uuid %s"),
+                           virPoolObjTableTypeToString(poolobjs->type),
+                           obj->pooldef->name, obj->pooldef->uuid);
+            virObjectUnlock(obj);
+            return NULL;
+        }
+
+        if (assignDefFunc) {
+            if (assignDefFunc(obj, def, oldDef, assignFlags) < 0) {
+                virObjectUnlock(obj);
+                return NULL;
+            }
+        } else {
+            /* Simple replacement */
+            defFreeFunc(obj->def);
+            obj->def = def;
+        }
+    } else {
+        /* Ensure that something by the same name doesn't already exist */
+        if (!new_uuidstr &&
+            (obj = virHashLookup(poolobjs->objsName, new_name))) {
+            virObjectLock(obj);
+            virReportError(VIR_ERR_OPERATION_FAILED,
+                           _("%s '%s' already exists with uuid %s"),
+                           virPoolObjTableTypeToString(poolobjs->type),
+                           new_name, obj->pooldef->uuid);
+            virObjectUnlock(obj);
+            return NULL;
+        }
+
+        if (VIR_ALLOC(pooldef) < 0)
+            return NULL;
+
+        if (VIR_STRDUP(pooldef->uuid, new_uuidstr) < 0 ||
+            VIR_STRDUP(pooldef->name, new_name) < 0)
+            goto error;
+
+        if (!(obj = virPoolObjNew(pooldef, def, newDef, defFreeFunc)))
+            goto error;
+
+        virObjectLock(obj);
+
+        if (!poolobjs->nameOnly &&
+            virHashAddEntry(poolobjs->objsUuid, new_uuidstr, obj) < 0)
+            goto error;
+
+        if (virHashAddEntry(poolobjs->objsName, new_name, obj) < 0) {
+            if (!poolobjs->nameOnly)
+                virHashRemoveEntry(poolobjs->objsUuid, new_uuidstr);
+            goto error;
+        }
+
+        /* If it's in two hash tables, increment ref count! */
+        if (new_uuidstr)
+            virObjectRef(obj);
+    }
+
+    virObjectRef(obj);
+    return obj;
+
+ error:
+    VIR_DEBUG("Fail to add object to table");
+    virPoolDefFree(pooldef);
+    virObjectUnref(obj);
+    virObjectUnlock(obj);
+    return NULL;
+}
+
+
+virPoolObjPtr
+virPoolObjTableAdd(virPoolObjTablePtr poolobjs,
+                   const char *new_uuidstr,
+                   const char *new_name,
+                   void *def,
+                   void *newDef,
+                   void *oldDef,
+                   virFreeCallback defFreeFunc,
+                   virPoolObjTableAssignDefFunc assignDefFunc,
+                   unsigned int assignFlags)
+{
+    virPoolObjPtr ret;
+
+    virObjectLock(poolobjs);
+    ret = virPoolObjTableAddLocked(poolobjs, new_uuidstr, new_name,
+                                   def, newDef, oldDef, defFreeFunc,
+                                   assignDefFunc, assignFlags);
+    VIR_DEBUG("poolobjs=%p, ret=%p", poolobjs, ret);
+    virObjectUnlock(poolobjs);
+    return ret;
+}
+
+
+/*
+ * virPoolObjTableClear
+ * @poolobjs: Pool object table
+ *
+ * Remove all the objects from @poolobjs, but don't free the table.
+ * Useful for @poolobjs tables that can repopulate themselves and don't
+ * want to determine the difference between two objects.
+ */
+void
+virPoolObjTableClearAll(virPoolObjTablePtr poolobjs)
+{
+    ssize_t count;
+    virObjectLock(poolobjs);
+    if (!poolobjs->nameOnly) {
+        count = virHashRemoveAll(poolobjs->objsUuid);
+        VIR_DEBUG("cleared out %ld objects from objsUuid", count);
+    }
+
+    count = virHashRemoveAll(poolobjs->objsName);
+    VIR_DEBUG("cleared out %ld objects from objsName", count);
+    virObjectUnlock(poolobjs);
+}
+
+
+/*
+ * virPoolObjTableRemove
+ * @poolobjs: Pool object table
+ * @obj: Object to remove
+ *
+ * Remove the object from the table.
+ *
+ * The caller must hold a lock on the driver owning @poolobjs and
+ * must have locked @obj to ensure no one else is either waiting for
+ * @obj or still using it. The caller can also take out an extra
+ * reference on @obj to ensure it doesn't disappear if it needs it
+ * beyond this removal.
+ *
+ * Upon exit, the lock held upon entry is removed.
+ */
+void
+virPoolObjTableRemove(virPoolObjTablePtr poolobjs,
+                      virPoolObjPtr *obj)
+{
+    virPoolDefPtr pooldef = (*obj)->pooldef;
+
+    VIR_DEBUG("poolobjs=%p, obj=%p", poolobjs, obj);
+
+    (*obj)->removing = true;
+    virObjectRef(*obj);
+    virObjectUnlock(*obj);
+
+    virObjectLock(poolobjs);
+    virObjectLock(*obj);
+    if (!poolobjs->nameOnly)
+        virHashRemoveEntry(poolobjs->objsUuid, pooldef->uuid);
+    virHashRemoveEntry(poolobjs->objsName, pooldef->name);
+    virObjectUnlock(*obj);
+    virObjectUnref(*obj);
+    virObjectUnlock(poolobjs);
+}
+
+
+/**
+ * virPoolObjFindByUUIDInternal:
+ * @poolobjs: Pool object table
+ * @uuid: pool uuid to find
+ *
+ * Lock and search the pool for the UUID. Depending on 'ref' argument
+ * we either return with referenced count incremented on the object too
+ *
+ * Returns: pool object
+ */
+static virPoolObjPtr
+virPoolObjTableFindByUUIDInternal(virPoolObjTablePtr poolobjs,
+                                  const unsigned char *uuid,
+                                  bool ref)
+{
+    char uuidstr[VIR_UUID_STRING_BUFLEN];
+    virPoolObjPtr obj;
+
+    virObjectLock(poolobjs);
+    if (poolobjs->nameOnly) {
+        virObjectUnlock(poolobjs);
+        return NULL;
+    }
+
+    virUUIDFormat(uuid, uuidstr);
+
+    obj = virHashLookup(poolobjs->objsUuid, uuidstr);
+    if (ref) {
+        virObjectRef(obj);
+        virObjectUnlock(poolobjs);
+    }
+    if (obj) {
+        virObjectLock(obj);
+        if (obj->removing) {
+            virObjectUnlock(obj);
+            if (ref)
+                virObjectUnref(obj);
+            obj = NULL;
+        }
+    }
+    if (!ref)
+        virObjectUnlock(poolobjs);
+    return obj;
+}
+
+
+/**
+ * virPoolObjFindByUUID:
+ * @poolobjs: Pool object table
+ * @uuid: pool uuid to find
+ *
+ * Returns: Locked pool object.
+ */
+virPoolObjPtr
+virPoolObjTableFindByUUID(virPoolObjTablePtr poolobjs,
+                          const unsigned char *uuid)
+{
+    return virPoolObjTableFindByUUIDInternal(poolobjs, uuid, false);
+}
+
+
+/**
+ * virPoolObjFindByUUIDUnlocked:
+ * @poolobjs: Pool object table
+ * @uuid: pool uuid to find
+ *
+ * Returns: Locked and ref count incremented pool object.
+ */
+virPoolObjPtr
+virPoolObjTableFindByUUIDRef(virPoolObjTablePtr poolobjs,
+                             const unsigned char *uuid)
+{
+    return virPoolObjTableFindByUUIDInternal(poolobjs, uuid, true);
+}
+
+
+virPoolObjPtr
+virPoolObjTableFindByName(virPoolObjTablePtr poolobjs,
+                          const char *name)
+{
+    virPoolObjPtr obj;
+
+    virObjectLock(poolobjs);
+    obj = virHashLookup(poolobjs->objsName, name);
+    virObjectRef(obj);
+    virObjectUnlock(poolobjs);
+    if (obj) {
+        virObjectLock(obj);
+        if (obj->removing) {
+            virObjectUnlock(obj);
+            virObjectUnref(obj);
+            obj = NULL;
+        }
+    }
+    return obj;
+}
+
+
+static int
+virPoolObjTableSearchCallback(const void *payload,
+                              const void *name ATTRIBUTE_UNUSED,
+                              const void *opaque)
+{
+    virPoolObjPtr obj = (virPoolObjPtr) payload;
+    struct virPoolObjTableSearchIterData *data =
+        (struct virPoolObjTableSearchIterData *) opaque;
+    int found = 0;
+
+    virObjectLock(obj);
+
+    if (data->callback(obj, data->opaque) == 1)
+        found = 1;
+
+    virObjectUnlock(obj);
+    return found;
+}
+
+
+/* virPoolObjTableSearchInternal
+ * @poolobjs: Pool object table
+ * @callback: Consumer specific callback function for search
+ * @opaque: Consumer specific data to the callback function
+ * @ref: Whether to place a reference on the object or not
+ *
+ * Search through the poolobj table by name, calling the consumer
+ * specific callback with the obj and consumer specific data structure.
+ * If the consumer determines there's a match, it will return true
+ * and the cause the search to complete
+ *
+ * Returns virPoolObjPtr if data is found, NULL if not. The returned
+ * object will be locked and can have it reference count incremented.
+ * If the reference count is incremented, use the virPoolObjEndAPI on
+ * the object; otherwise, use virObjectUnlock to release the object lock.
+ */
+static virPoolObjPtr
+virPoolObjTableSearchInternal(virPoolObjTablePtr poolobjs,
+                              virPoolObjTableSearchIterator callback,
+                              void *opaque,
+                              bool ref)
+{
+    virPoolObjPtr ret;
+    struct virPoolObjTableSearchIterData data = { .callback = callback,
+                                                  .opaque = opaque };
+
+    virObjectLock(poolobjs);
+    if (poolobjs->nameOnly)
+        ret = virHashSearch(poolobjs->objsName, virPoolObjTableSearchCallback,
+                            &data);
+    else
+        ret = virHashSearch(poolobjs->objsUuid, virPoolObjTableSearchCallback,
+                            &data);
+    if (ref) {
+        virObjectRef(ret);
+        virObjectUnlock(poolobjs);
+    }
+    if (ret) {
+        virObjectLock(ret);
+        if (ret->removing) {
+            virObjectUnlock(ret);
+            if (ref)
+                virObjectUnref(ret);
+            ret = NULL;
+        }
+    }
+    if (!ref)
+        virObjectUnlock(poolobjs);
+
+    return ret;
+}
+
+
+virPoolObjPtr
+virPoolObjTableSearch(virPoolObjTablePtr poolobjs,
+                      virPoolObjTableSearchIterator callback,
+                      void *opaque)
+{
+    return virPoolObjTableSearchInternal(poolobjs, callback, opaque, false);
+}
+
+
+virPoolObjPtr
+virPoolObjTableSearchRef(virPoolObjTablePtr poolobjs,
+                         virPoolObjTableSearchIterator callback,
+                         void *opaque)
+{
+    return virPoolObjTableSearchInternal(poolobjs, callback, opaque, true);
+}
+
+
+struct iterateData {
+    virPoolObjTableIteratorCallback callback;
+    void *opaque;
+};
+
+static int
+virPoolObjTableIterator(void *payload,
+                        const void *name ATTRIBUTE_UNUSED,
+                        void *opaque)
+{
+    virPoolObjPtr obj = payload;
+    struct iterateData *data = opaque;
+
+    virObjectLock(obj);
+    data->callback(obj, data->opaque);
+    virObjectUnlock(obj);
+
+    return 0;
+}
+
+
+/* virPoolObjTableIterate:
+ * @poolobjs: Source table to perform iteration
+ * @callback: Function to call
+ * @opaque: Opaque data for callback
+ *
+ * Just iterate through each entry in @poolobjs calling the
+ * void function with the locked pool object
+ *
+ * Returns: void
+ */
+void
+virPoolObjTableIterate(virPoolObjTablePtr poolobjs,
+                       virPoolObjTableIteratorCallback callback,
+                       void *opaque)
+{
+    struct iterateData data = { .callback = callback,
+                                .opaque = opaque };
+    virObjectLock(poolobjs);
+    if (poolobjs->nameOnly)
+        virHashForEach(poolobjs->objsName, virPoolObjTableIterator, &data);
+    else
+        virHashForEach(poolobjs->objsUuid, virPoolObjTableIterator, &data);
+    virObjectUnlock(poolobjs);
+}
+
+
+struct collectData {
+    virPoolObjPtr *objs;
+    size_t nobjs;
+};
+
+static int
+virPoolObjTableCollectIterator(void *payload,
+                               const void *name ATTRIBUTE_UNUSED,
+                               void *opaque)
+{
+    struct collectData *data = opaque;
+
+    data->objs[data->nobjs++] = virObjectRef(payload);
+    return 0;
+}
+
+
+static void
+virPoolObjTableFilter(virPoolObjPtr **list,
+                      size_t *nobjs,
+                      virConnectPtr conn,
+                      virPoolObjACLFilter aclfilter,
+                      virPoolObjMatchFilter matchfilter,
+                      unsigned int flags)
+{
+    size_t i = 0;
+
+    while (i < *nobjs) {
+        virPoolObjPtr obj = (*list)[i];
+
+        virObjectLock(obj);
+
+        /* do not list the object if:
+         * 1) it's being removed.
+         * 2) connection does not have ACL to see it
+         * 3) it doesn't match the filter
+         */
+        if (obj->removing ||
+            (aclfilter && !aclfilter(conn, obj->def)) ||
+            (matchfilter && !matchfilter(obj, flags))) {
+            virObjectUnlock(obj);
+            virObjectUnref(obj);
+            VIR_DELETE_ELEMENT(*list, i, *nobjs);
+            continue;
+        }
+
+        virObjectUnlock(obj);
+        i++;
+    }
+}
+
+
+/* virPoolObjTableCollect:
+ * @poolobjs: Pool object table
+ * @conn: Pointer to connection
+ * @objs: Pointer to a list of objects to return
+ * @nobjs: Count of objects
+ * @aclfilter: Filter results based on ACL
+ * @matchfilter: Possible consumer callback to futher "match" the data
+ * @flags: Consumer specific flags
+ *
+ * Create a list of poolobjs that match both the ACL filter and the consumer
+ * provided match filter and return them and the count to the caller. Each
+ * of the returned object is returned with an incremented ref count. When
+ * the caller is done with the list, each object in the returned @objs list
+ * should be run through virObjectListFreeCount to Unref the object.
+ *
+ * Returns 0 on success, -1 on failure
+ */
+int
+virPoolObjTableCollect(virPoolObjTablePtr poolobjs,
+                       virConnectPtr conn,
+                       virPoolObjPtr **objs,
+                       size_t *nobjs,
+                       virPoolObjACLFilter aclfilter,
+                       virPoolObjMatchFilter matchfilter,
+                       unsigned int flags)
+{
+    struct collectData data = { NULL, 0 };
+
+    virObjectLock(poolobjs);
+    if (poolobjs->nameOnly) {
+        if (VIR_ALLOC_N(data.objs, virHashSize(poolobjs->objsName)) < 0) {
+            virObjectUnlock(poolobjs);
+            return -1;
+        }
+        virHashForEach(poolobjs->objsName, virPoolObjTableCollectIterator,
+                       &data);
+    } else {
+        if (VIR_ALLOC_N(data.objs, virHashSize(poolobjs->objsUuid)) < 0) {
+            virObjectUnlock(poolobjs);
+            return -1;
+        }
+        virHashForEach(poolobjs->objsUuid, virPoolObjTableCollectIterator,
+                       &data);
+    }
+    virObjectUnlock(poolobjs);
+
+    virPoolObjTableFilter(&data.objs, &data.nobjs, conn,
+                          aclfilter, matchfilter, flags);
+
+    *nobjs = data.nobjs;
+    *objs = data.objs;
+
+    return 0;
+}
+
+
+static int
+virPoolObjTableListIterator(void *payload,
+                            const void *name ATTRIBUTE_UNUSED,
+                            void *opaque)
+{
+    virPoolObjPtr obj = payload;
+    struct virPoolObjTableListIterData *data = opaque;
+
+    virObjectLock(obj);
+    if (data->aclfilter && !data->aclfilter(data->conn, obj->def))
+        goto cleanup;
+
+    if (data->callback && data->callback(obj, data->opaque) < 0)
+        data->ret = -1;
+
+ cleanup:
+    virObjectUnlock(obj);
+    return 0;
+}
+
+
+/* virPoolObjTableList:
+ * @poolobjs: Pool object table
+ * @conn: Pointer to connection
+ * @aclfilter: Filter results based on ACL
+ * @callback: Possible consumer callback handle @opaque data
+ * @opaque: Consumer opaque data
+ *
+ * Similar to Collect, except allowing the consumer to build up it's
+ * @opaque data based on consumer @callback defined rules.
+ *
+ * Returns 0 on success, -1 on failure
+ */
+int
+virPoolObjTableList(virPoolObjTablePtr poolobjs,
+                    virConnectPtr conn,
+                    virPoolObjACLFilter aclfilter,
+                    virPoolObjTableListCallback callback,
+                    void *opaque)
+{
+    struct virPoolObjTableListIterData data = { .conn = conn,
+                                                .aclfilter = aclfilter,
+                                                .callback = callback,
+                                                .opaque = opaque,
+                                                .ret = 0 };
+
+    virObjectLock(poolobjs);
+    if (poolobjs->nameOnly)
+        virHashForEach(poolobjs->objsName, virPoolObjTableListIterator, &data);
+    else
+        virHashForEach(poolobjs->objsUuid, virPoolObjTableListIterator, &data);
+    virObjectUnlock(poolobjs);
+
+    return data.ret;
+}
+
+
+struct cloneData {
+    virPoolObjTableCloneCallback callback;
+    int ret;
+    virPoolObjTablePtr dst;
+};
+
+static int
+virPoolObjTableCloneIterator(void *payload,
+                             const void *name ATTRIBUTE_UNUSED,
+                             void *opaque)
+{
+    virPoolObjPtr src = payload;
+    virPoolObjPtr dst = NULL;
+    struct cloneData *data = opaque;
+    void *def;
+    int ret = -1;
+
+    virObjectLock(src);
+
+    if (!(def = data->callback(src)))
+        goto error;
+
+    if (!(dst = virPoolObjTableAdd(data->dst, src->pooldef->uuid,
+                                   src->pooldef->name, def, NULL, NULL,
+                                   src->defFreeFunc, NULL, 0)))
+        goto error;
+    def = NULL;
+
+    ret = 0;
+
+ cleanup:
+    src->defFreeFunc(def);
+    virObjectUnlock(dst);
+    virObjectUnlock(src);
+    return ret;
+
+ error:
+    data->ret = -1;
+    goto cleanup;
+}
+
+
+/* virPoolObjTableClone:
+ * @src: Source table to perform a deep copy on
+ * @callback: Callback to create @def to be added into the cloned table.
+ *
+ * Make a deep copy of the object table including all objects and
+ * all defs within each hash table. This function does not use the
+ * assignFlags for the virPoolObjTableAdd[Locked] since generation
+ * of the cloned objects would be all considered new rather than
+ * assigning or redefining a definition.
+ *
+ * Returns: Cloned table or NULL
+ */
+virPoolObjTablePtr
+virPoolObjTableClone(virPoolObjTablePtr src,
+                     virPoolObjTableCloneCallback callback)
+{
+    struct cloneData data = { .callback = callback,
+                              .ret = 0 };
+
+    virObjectLock(src);
+    if (!(data.dst = virPoolObjTableNew(src->type, src->hashStart,
+                                        src->nameOnly)))
+        goto cleanup;
+
+    /* Clone both the UUID and Name table in the result */
+    if (!src->nameOnly)
+        virHashForEach(src->objsUuid, virPoolObjTableCloneIterator, &data);
+
+    virHashForEach(src->objsName, virPoolObjTableCloneIterator, &data);
+
+    if (data.ret < 0) {
+        virObjectUnref(data.dst);
+        data.dst = NULL;
+    }
+
+ cleanup:
+    virObjectUnlock(src);
+    return data.dst;
+}
+
+
+struct pruneData {
+    unsigned int flags;
+    virPoolObjMatchFilter matchfilter;
+};
+
+static int
+pruneList(const void *payload,
+          const void *name ATTRIBUTE_UNUSED,
+          const void *opaque)
+{
+    virPoolObjPtr obj = (virPoolObjPtr) payload;
+    const struct pruneData *data = opaque;
+    int want = 0;
+
+    virObjectLock(obj);
+    want = data->matchfilter(obj, data->flags);
+    virObjectUnlock(obj);
+    return want;
+}
+
+
+/**
+ * virPoolObjTablePrune:
+ * @poolobjs: Pool objects table
+ * @flags: bitwise-OR of flags to be prunedvirConnectListAllNetworksFlags
+ *
+ * Iterate over list of objects and remove the desired ones from the
+ * name and uuid (if exists) table
+ */
+void
+virPoolObjTablePrune(virPoolObjTablePtr poolobjs,
+                     virPoolObjMatchFilter matchfilter,
+                     unsigned int flags)
+{
+    struct pruneData data = { .flags = flags,
+                              .matchfilter = matchfilter };
+
+    virObjectLock(poolobjs);
+    if (!poolobjs->nameOnly)
+        virHashRemoveSet(poolobjs->objsUuid, pruneList, &data);
+    virHashRemoveSet(poolobjs->objsName, pruneList, &data);
+    virObjectUnlock(poolobjs);
+}
diff --git a/src/conf/virpoolobj.h b/src/conf/virpoolobj.h
new file mode 100644
index 0000000..fcccb1e
--- /dev/null
+++ b/src/conf/virpoolobj.h
@@ -0,0 +1,222 @@
+/*
+ * virpoolobj.h: internal pool objects handling
+ *
+ * Copyright (C) 2016 Red Hat, 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, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __VIRPOOLOBJ_H__
+# define __VIRPOOLOBJ_H__
+
+# include "internal.h"
+
+typedef enum {
+    VIR_POOLOBJTABLE_NODEDEVICE,
+    VIR_POOLOBJTABLE_INTERFACE,
+    VIR_POOLOBJTABLE_NWFILTER,
+    VIR_POOLOBJTABLE_VOLUME,
+    VIR_POOLOBJTABLE_BLOCK_STORAGE,
+    VIR_POOLOBJTABLE_SECRET,
+    VIR_POOLOBJTABLE_NETWORK,
+    VIR_POOLOBJTABLE_SNAPSHOT,
+    VIR_POOLOBJTABLE_DOMAIN,
+
+    VIR_POOLOBJTABLE_LAST
+} virPoolObjTableType;
+
+/* Some default hash table size start values */
+# define VIR_POOLOBJTABLE_NODEDEVICE_HASHSTART 50
+# define VIR_POOLOBJTABLE_INTERFACE_HASHSTART 10
+# define VIR_POOLOBJTABLE_NWFILTER_HASHSTART 20
+# define VIR_POOLOBJTABLE_VOLUME_HASHSTART 10
+# define VIR_POOLOBJTABLE_BLOCK_STORAGE_HASHSTART 20
+# define VIR_POOLOBJTABLE_SECRET_HASHSTART 20
+# define VIR_POOLOBJTABLE_NETWORK_HASHSTART 10
+# define VIR_POOLOBJTABLE_SNAPSHOT_HASHSTART 10
+# define VIR_POOLOBJTABLE_DOMAIN_HASHSTART 50
+
+typedef struct _virPoolDef virPoolDef;
+typedef virPoolDef *virPoolDefPtr;
+
+typedef struct _virPoolObj virPoolObj;
+typedef virPoolObj *virPoolObjPtr;
+
+typedef struct _virPoolObjTable virPoolObjTable;
+typedef virPoolObjTable *virPoolObjTablePtr;
+
+
+/* virPoolObjTableAssignDef
+ */
+typedef int (*virPoolObjTableAssignDefFunc)(virPoolObjPtr obj,
+                                            void *newDef,
+                                            void *oldDef,
+                                            unsigned int flags);
+
+/*
+ * virPoolObjTableSearchIterator:
+ * @obj: the virPoolObj for the current table entry
+ * @opaque: opaque user data provided at registration
+ *
+ * The virPoolObjTableSearch[Ref] functions walk through the PoolObjTable
+ * hash table entries expecting the SearchIterator function to return true
+ * once the searched on criteria is met.
+ *
+ * It is forbidden to call any other libvirt APIs from an implementation
+ * of this callback, since it can be invoked from a context which is not
+ * re-entrant safe. Failure to abide by this requirement may lead to
+ * application deadlocks or crashes.
+ */
+typedef bool (*virPoolObjTableSearchIterator)(virPoolObjPtr obj, void *opaque);
+struct virPoolObjTableSearchIterData {
+    virPoolObjTableSearchIterator callback;
+    void *opaque;
+};
+
+/*
+ * virPoolObjACLFilter:
+ * Used by Collect and List API's in order filter results based on object ACL
+ */
+typedef bool (*virPoolObjACLFilter)(virConnectPtr conn, void *objdef);
+
+/*
+ * virPoolObjMatchFilter:
+ * Used by Collect and List API's in order filter results based on caller
+ * specific criteria
+ */
+typedef bool (*virPoolObjMatchFilter)(virPoolObjPtr obj, unsigned int filter);
+
+/*
+ * virPoolObjTableListCallback:
+ * Similar to the Match filter except, passing an opaque handle allows the
+ * List function to alter/generate what data is collected/filtered
+ */
+typedef int (*virPoolObjTableListCallback)(virPoolObjPtr obj, void *opaque);
+struct virPoolObjTableListIterData {
+    virConnectPtr conn;
+    virPoolObjACLFilter aclfilter;
+    virPoolObjTableListCallback callback;
+    void *opaque;
+    int ret;
+};
+
+
+typedef void *(*virPoolObjTableCloneCallback)(virPoolObjPtr src);
+
+typedef void (*virPoolObjTableIteratorCallback)(virPoolObjPtr obj,
+                                                void *opaque);
+
+
+virPoolObjPtr virPoolObjNew(virPoolDefPtr pooldef,
+                            void *def,
+                            void *newDef,
+                            virFreeCallback defFreeFunc);
+
+void virPoolObjSetActive(virPoolObjPtr obj, bool active);
+
+void virPoolObjSetAutostart(virPoolObjPtr obj, bool autostart);
+
+void virPoolObjSetBeingRemoved(virPoolObjPtr obj, bool beingRemoved);
+
+void virPoolObjSetPersistent(virPoolObjPtr obj, bool persistent);
+
+void virPoolObjSetDef(virPoolObjPtr obj, void *def);
+
+void virPoolObjSetNewDef(virPoolObjPtr obj, void *newDef);
+
+void virPoolObjSetPrivateData(virPoolObjPtr obj,
+                              void *privateData,
+                              virFreeCallback privateDataFreeFunc);
+
+bool virPoolObjIsActive(const virPoolObj *obj);
+
+bool virPoolObjIsAutostart(const virPoolObj *obj);
+
+bool virPoolObjIsBeingRemoved(const virPoolObj *obj);
+
+bool virPoolObjIsPersistent(const virPoolObj *obj);
+
+void *virPoolObjGetDef(const virPoolObj *obj);
+
+void *virPoolObjGetNewDef(const virPoolObj *obj);
+
+void *virPoolObjGetPrivateData(const virPoolObj *obj);
+
+void virPoolObjEndAPI(virPoolObjPtr *obj);
+
+virPoolObjTablePtr virPoolObjTableNew(virPoolObjTableType type,
+                                      int hashStart,
+                                      bool nameOnly);
+
+virPoolObjPtr virPoolObjTableAdd(virPoolObjTablePtr poolobjs,
+                                 const char *new_uuidstr,
+                                 const char *new_name,
+                                 void *def,
+                                 void *newDef,
+                                 void *oldDef,
+                                 virFreeCallback defFreeFunc,
+                                 virPoolObjTableAssignDefFunc assignDefFunc,
+                                 unsigned int assignFlags)
+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(4)
+    ATTRIBUTE_NONNULL(7);
+
+void virPoolObjTableClearAll(virPoolObjTablePtr poolobjs);
+
+void virPoolObjTableRemove(virPoolObjTablePtr poolobjs,
+                           virPoolObjPtr *obj);
+
+virPoolObjPtr virPoolObjTableFindByUUID(virPoolObjTablePtr poolobjs,
+                                        const unsigned char *uuid);
+
+virPoolObjPtr virPoolObjTableFindByUUIDRef(virPoolObjTablePtr poolobjs,
+                                           const unsigned char *uuid);
+
+virPoolObjPtr virPoolObjTableFindByName(virPoolObjTablePtr poolobjs,
+                                        const char *name);
+
+virPoolObjPtr virPoolObjTableSearch(virPoolObjTablePtr poolobjs,
+                                    virPoolObjTableSearchIterator callback,
+                                    void *opaque);
+
+virPoolObjPtr virPoolObjTableSearchRef(virPoolObjTablePtr poolobjs,
+                                       virPoolObjTableSearchIterator callback,
+                                       void *opaque);
+
+void virPoolObjTableIterate(virPoolObjTablePtr src,
+                            virPoolObjTableIteratorCallback callback,
+                            void *opaque);
+
+int virPoolObjTableCollect(virPoolObjTablePtr poolobjs,
+                           virConnectPtr conn,
+                           virPoolObjPtr **objs,
+                           size_t *nobjs,
+                           virPoolObjACLFilter aclfilter,
+                           virPoolObjMatchFilter matchfilter,
+                           unsigned int flags);
+
+int virPoolObjTableList(virPoolObjTablePtr poolobjs,
+                        virConnectPtr conn,
+                        virPoolObjACLFilter aclfilter,
+                        virPoolObjTableListCallback callback,
+                        void *opaque);
+
+virPoolObjTablePtr virPoolObjTableClone(virPoolObjTablePtr src,
+                                        virPoolObjTableCloneCallback callback);
+
+void virPoolObjTablePrune(virPoolObjTablePtr poolobjs,
+                          virPoolObjMatchFilter matchfilter,
+                          unsigned int flags);
+
+#endif /* __VIRPOOLOBJ_H__ */
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 6bbb36b..1f2157d 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -961,6 +961,39 @@ virDomainObjListRemoveLocked;
 virDomainObjListRename;
 
 
+# conf/virpoolobj.h
+virPoolObjEndAPI;
+virPoolObjGetDef;
+virPoolObjGetNewDef;
+virPoolObjGetPrivateData;
+virPoolObjIsActive;
+virPoolObjIsAutostart;
+virPoolObjIsBeingRemoved;
+virPoolObjIsPersistent;
+virPoolObjNew;
+virPoolObjSetActive;
+virPoolObjSetAutostart;
+virPoolObjSetBeingRemoved;
+virPoolObjSetDef;
+virPoolObjSetNewDef;
+virPoolObjSetPersistent;
+virPoolObjSetPrivateData;
+virPoolObjTableAdd;
+virPoolObjTableClearAll;
+virPoolObjTableClone;
+virPoolObjTableCollect;
+virPoolObjTableFindByName;
+virPoolObjTableFindByUUID;
+virPoolObjTableFindByUUIDRef;
+virPoolObjTableIterate;
+virPoolObjTableList;
+virPoolObjTableNew;
+virPoolObjTablePrune;
+virPoolObjTableRemove;
+virPoolObjTableSearch;
+virPoolObjTableSearchRef;
+
+
 # conf/virsecretobj.h
 virSecretLoadAllConfigs;
 virSecretObjDeleteConfig;
diff --git a/src/util/virerror.c b/src/util/virerror.c
index ef17fb5..5330fb2 100644
--- a/src/util/virerror.c
+++ b/src/util/virerror.c
@@ -139,6 +139,7 @@ VIR_ENUM_IMPL(virErrorDomain, VIR_ERR_DOMAIN_LAST,
 
               "Perf", /* 65 */
               "Libssh transport layer",
+              "Pool Object",
     )
 
 
-- 
2.7.4


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