151 lines
4.3 KiB
Go
151 lines
4.3 KiB
Go
/*
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* This file is part of the libvirt-go-module project
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* Copyright (c) 2013 Alex Zorin
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* Copyright (C) 2016 Red Hat, Inc.
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*
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*/
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package libvirt
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import (
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"fmt"
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"unsafe"
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)
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/*
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#cgo !libvirt_dlopen pkg-config: libvirt
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#cgo libvirt_dlopen LDFLAGS: -ldl
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#cgo libvirt_dlopen CFLAGS: -DLIBVIRT_DLOPEN
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#include "secret_events_helper.h"
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*/
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import "C"
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type SecretEventLifecycle struct {
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Event SecretEventLifecycleType
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// TODO: we can make Detail typesafe somehow ?
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Detail int
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}
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type SecretEventLifecycleCallback func(c *Connect, n *Secret, event *SecretEventLifecycle)
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type SecretEventGenericCallback func(c *Connect, n *Secret)
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//export secretEventLifecycleCallback
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func secretEventLifecycleCallback(c C.virConnectPtr, n C.virSecretPtr,
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event int, detail int,
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goCallbackId int) {
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secret := &Secret{ptr: n}
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connection := &Connect{ptr: c}
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eventDetails := &SecretEventLifecycle{
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Event: SecretEventLifecycleType(event),
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Detail: detail,
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}
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callbackFunc := getCallbackId(goCallbackId)
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callback, ok := callbackFunc.(SecretEventLifecycleCallback)
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if !ok {
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panic("Inappropriate callback type called")
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}
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callback(connection, secret, eventDetails)
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}
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//export secretEventGenericCallback
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func secretEventGenericCallback(c C.virConnectPtr, n C.virSecretPtr,
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goCallbackId int) {
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secret := &Secret{ptr: n}
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connection := &Connect{ptr: c}
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callbackFunc := getCallbackId(goCallbackId)
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callback, ok := callbackFunc.(SecretEventGenericCallback)
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if !ok {
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panic("Inappropriate callback type called")
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}
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callback(connection, secret)
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}
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func (c *Connect) SecretEventLifecycleRegister(secret *Secret, callback SecretEventLifecycleCallback) (int, error) {
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goCallBackId := registerCallbackId(callback)
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callbackPtr := unsafe.Pointer(C.secretEventLifecycleCallbackHelper)
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var csecret C.virSecretPtr
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if secret != nil {
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csecret = secret.ptr
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}
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var err C.virError
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ret := C.virConnectSecretEventRegisterAnyHelper(c.ptr, csecret,
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C.VIR_SECRET_EVENT_ID_LIFECYCLE,
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C.virConnectSecretEventGenericCallback(callbackPtr),
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C.long(goCallBackId), &err)
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if ret == -1 {
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freeCallbackId(goCallBackId)
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return 0, makeError(&err)
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}
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return int(ret), nil
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}
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func (c *Connect) SecretEventValueChangedRegister(secret *Secret, callback SecretEventGenericCallback) (int, error) {
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goCallBackId := registerCallbackId(callback)
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callbackPtr := unsafe.Pointer(C.secretEventGenericCallbackHelper)
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var csecret C.virSecretPtr
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if secret != nil {
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csecret = secret.ptr
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}
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var err C.virError
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ret := C.virConnectSecretEventRegisterAnyHelper(c.ptr, csecret,
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C.VIR_SECRET_EVENT_ID_VALUE_CHANGED,
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C.virConnectSecretEventGenericCallback(callbackPtr),
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C.long(goCallBackId), &err)
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if ret == -1 {
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freeCallbackId(goCallBackId)
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return 0, makeError(&err)
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}
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return int(ret), nil
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}
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func (c *Connect) SecretEventDeregister(callbackId int) error {
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// Deregister the callback
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var err C.virError
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ret := int(C.virConnectSecretEventDeregisterAnyWrapper(c.ptr, C.int(callbackId), &err))
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if ret < 0 {
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return makeError(&err)
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}
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return nil
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}
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func (e SecretEventLifecycle) String() string {
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var event string
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switch e.Event {
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case SECRET_EVENT_DEFINED:
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event = "defined"
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case SECRET_EVENT_UNDEFINED:
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event = "undefined"
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default:
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event = "unknown"
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}
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return fmt.Sprintf("Secret event=%q", event)
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}
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