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conf: add secret event handling
Add helper APIs / objects for managing secret events Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange
parent
34fd3caabf
commit
df740caf54
@ -354,6 +354,9 @@ STORAGE_EVENT_SOURCES = \
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NODE_DEVICE_EVENT_SOURCES = \
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conf/node_device_event.c conf/node_device_event.h
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SECRET_EVENT_SOURCES = \
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conf/secret_event.c conf/secret_event.h
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# Network driver generic impl APIs
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NETWORK_CONF_SOURCES = \
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conf/network_conf.c conf/network_conf.h \
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@ -406,6 +409,7 @@ CONF_SOURCES = \
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$(NETWORK_EVENT_SOURCES) \
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$(STORAGE_EVENT_SOURCES) \
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$(NODE_DEVICE_EVENT_SOURCES) \
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$(SECRET_EVENT_SOURCES) \
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$(NETWORK_CONF_SOURCES) \
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$(NWFILTER_CONF_SOURCES) \
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$(NODE_DEVICE_CONF_SOURCES) \
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@ -2390,6 +2394,7 @@ libvirt_setuid_rpc_client_la_SOURCES = \
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conf/object_event.c \
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conf/storage_event.c \
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conf/node_device_event.c \
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conf/secret_event.c \
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rpc/virnetsocket.c \
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rpc/virnetsocket.h \
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rpc/virnetmessage.h \
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252
src/conf/secret_event.c
Normal file
252
src/conf/secret_event.c
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@ -0,0 +1,252 @@
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/*
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* secret_event.c: node device event queue processing helpers
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*
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* Copyright (C) 2010-2014 Red Hat, Inc.
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* Copyright (C) 2008 VirtualIron
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* Copyright (C) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include "secret_event.h"
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#include "object_event.h"
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#include "object_event_private.h"
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#include "datatypes.h"
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#include "virlog.h"
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VIR_LOG_INIT("conf.secret_event");
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struct _virSecretEvent {
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virObjectEvent parent;
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/* Unused attribute to allow for subclass creation */
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bool dummy;
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};
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typedef struct _virSecretEvent virSecretEvent;
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typedef virSecretEvent *virSecretEventPtr;
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struct _virSecretEventLifecycle {
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virSecretEvent parent;
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int type;
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int detail;
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};
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typedef struct _virSecretEventLifecycle virSecretEventLifecycle;
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typedef virSecretEventLifecycle *virSecretEventLifecyclePtr;
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static virClassPtr virSecretEventClass;
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static virClassPtr virSecretEventLifecycleClass;
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static void virSecretEventDispose(void *obj);
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static void virSecretEventLifecycleDispose(void *obj);
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static int
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virSecretEventsOnceInit(void)
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{
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if (!(virSecretEventClass =
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virClassNew(virClassForObjectEvent(),
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"virSecretEvent",
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sizeof(virSecretEvent),
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virSecretEventDispose)))
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return -1;
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if (!(virSecretEventLifecycleClass =
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virClassNew(virSecretEventClass,
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"virSecretEventLifecycle",
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sizeof(virSecretEventLifecycle),
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virSecretEventLifecycleDispose)))
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return -1;
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return 0;
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}
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VIR_ONCE_GLOBAL_INIT(virSecretEvents)
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static void
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virSecretEventDispose(void *obj)
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{
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virSecretEventPtr event = obj;
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VIR_DEBUG("obj=%p", event);
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}
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static void
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virSecretEventLifecycleDispose(void *obj)
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{
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virSecretEventLifecyclePtr event = obj;
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VIR_DEBUG("obj=%p", event);
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}
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static void
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virSecretEventDispatchDefaultFunc(virConnectPtr conn,
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virObjectEventPtr event,
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virConnectObjectEventGenericCallback cb,
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void *cbopaque)
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{
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virSecretPtr secret = virGetSecret(conn,
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event->meta.uuid,
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event->meta.id,
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event->meta.name);
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if (!secret)
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return;
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switch ((virSecretEventID)event->eventID) {
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case VIR_SECRET_EVENT_ID_LIFECYCLE:
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{
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virSecretEventLifecyclePtr secretLifecycleEvent;
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secretLifecycleEvent = (virSecretEventLifecyclePtr)event;
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((virConnectSecretEventLifecycleCallback)cb)(conn, secret,
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secretLifecycleEvent->type,
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secretLifecycleEvent->detail,
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cbopaque);
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goto cleanup;
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}
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case VIR_SECRET_EVENT_ID_LAST:
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break;
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}
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VIR_WARN("Unexpected event ID %d", event->eventID);
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cleanup:
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virObjectUnref(secret);
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}
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/**
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* virSecretEventStateRegisterID:
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* @conn: connection to associate with callback
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* @state: object event state
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* @secret: secret to filter on or NULL for all node secrets
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* @eventID: ID of the event type to register for
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* @cb: function to invoke when event occurs
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* @opaque: data blob to pass to @callback
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* @freecb: callback to free @opaque
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* @callbackID: filled with callback ID
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*
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* Register the function @cb with connection @conn, from @state, for
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* events of type @eventID, and return the registration handle in
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* @callbackID.
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*
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* Returns: the number of callbacks now registered, or -1 on error
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*/
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int
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virSecretEventStateRegisterID(virConnectPtr conn,
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virObjectEventStatePtr state,
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virSecretPtr secret,
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int eventID,
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virConnectSecretEventGenericCallback cb,
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void *opaque,
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virFreeCallback freecb,
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int *callbackID)
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{
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char uuidstr[VIR_UUID_STRING_BUFLEN];
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if (virSecretEventsInitialize() < 0)
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return -1;
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if (secret)
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virUUIDFormat(secret->uuid, uuidstr);
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return virObjectEventStateRegisterID(conn, state, secret ? uuidstr : NULL,
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NULL, NULL,
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virSecretEventClass, eventID,
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VIR_OBJECT_EVENT_CALLBACK(cb),
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opaque, freecb,
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false, callbackID, false);
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}
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/**
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* virSecretEventStateRegisterClient:
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* @conn: connection to associate with callback
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* @state: object event state
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* @secret: secret to filter on or NULL for all node secrets
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* @eventID: ID of the event type to register for
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* @cb: function to invoke when event occurs
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* @opaque: data blob to pass to @callback
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* @freecb: callback to free @opaque
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* @callbackID: filled with callback ID
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*
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* Register the function @cb with connection @conn, from @state, for
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* events of type @eventID, and return the registration handle in
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* @callbackID. This version is intended for use on the client side
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* of RPC.
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*
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* Returns: the number of callbacks now registered, or -1 on error
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*/
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int
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virSecretEventStateRegisterClient(virConnectPtr conn,
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virObjectEventStatePtr state,
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virSecretPtr secret,
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int eventID,
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virConnectSecretEventGenericCallback cb,
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void *opaque,
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virFreeCallback freecb,
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int *callbackID)
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{
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char uuidstr[VIR_UUID_STRING_BUFLEN];
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if (virSecretEventsInitialize() < 0)
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return -1;
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if (secret)
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virUUIDFormat(secret->uuid, uuidstr);
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return virObjectEventStateRegisterID(conn, state, secret ? uuidstr : NULL,
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NULL, NULL,
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virSecretEventClass, eventID,
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VIR_OBJECT_EVENT_CALLBACK(cb),
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opaque, freecb,
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false, callbackID, true);
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}
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/**
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* virSecretEventLifecycleNew:
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* @uuid: UUID of the secret object the event describes
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* @usage_type: type of usage for the secret
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* @usage_id: usage specific identifier for the secret
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* @type: type of lifecycle event
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* @detail: more details about @type
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*
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* Create a new secret lifecycle event.
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*/
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virObjectEventPtr
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virSecretEventLifecycleNew(const unsigned char *uuid,
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int usage_type,
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const char *usage_id,
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int type,
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int detail)
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{
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virSecretEventLifecyclePtr event;
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char uuidstr[VIR_UUID_STRING_BUFLEN];
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if (virSecretEventsInitialize() < 0)
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return NULL;
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virUUIDFormat(uuid, uuidstr);
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VIR_DEBUG("Event %s %d %s %d %d", uuidstr, usage_type, usage_id, type, detail);
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if (!(event = virObjectEventNew(virSecretEventLifecycleClass,
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virSecretEventDispatchDefaultFunc,
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VIR_SECRET_EVENT_ID_LIFECYCLE,
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usage_type, usage_id, uuid, uuidstr)))
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return NULL;
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event->type = type;
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event->detail = detail;
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return (virObjectEventPtr)event;
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}
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61
src/conf/secret_event.h
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61
src/conf/secret_event.h
Normal file
@ -0,0 +1,61 @@
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/*
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* secret_event.h: secret event queue processing helpers
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*
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* Copyright (C) 2010-2014 Red Hat, Inc.
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* Copyright (C) 2008 VirtualIron
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* Copyright (C) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include "internal.h"
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#include "object_event.h"
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#include "object_event_private.h"
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#ifndef __SECRET_EVENT_H__
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# define __SECRET_EVENT_H__
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int
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virSecretEventStateRegisterID(virConnectPtr conn,
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virObjectEventStatePtr state,
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virSecretPtr secret,
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int eventID,
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virConnectSecretEventGenericCallback cb,
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void *opaque,
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virFreeCallback freecb,
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int *callbackID)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(5)
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ATTRIBUTE_NONNULL(8);
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int
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virSecretEventStateRegisterClient(virConnectPtr conn,
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virObjectEventStatePtr state,
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virSecretPtr secret,
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int eventID,
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virConnectSecretEventGenericCallback cb,
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void *opaque,
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virFreeCallback freecb,
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int *callbackID)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(5)
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ATTRIBUTE_NONNULL(8);
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virObjectEventPtr
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virSecretEventLifecycleNew(const unsigned char *uuid,
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int usage_type,
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const char *usage_id,
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int type,
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int detail);
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#endif
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@ -843,6 +843,11 @@ virSecretUsageTypeFromString;
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virSecretUsageTypeToString;
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# conf/secret_event.h
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virSecretEventLifecycleNew;
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virSecretEventStateRegisterID;
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# conf/snapshot_conf.h
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virDomainListSnapshots;
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virDomainSnapshotAlignDisks;
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