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/*
* This file is part of the libvirt-go project
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* Copyright (c) 2013 Alex Zorin
* Copyright (C) 2016 Red Hat, Inc.
*
*/
package libvirt
import (
"fmt"
"unsafe"
)
/*
#cgo pkg-config: libvirt
#include "network_events_wrapper.h"
*/
import "C"
type NetworkEventLifecycle struct {
Event NetworkEventLifecycleType
// TODO: we can make Detail typesafe somehow ?
Detail int
}
type NetworkEventLifecycleCallback func(c *Connect, n *Network, event *NetworkEventLifecycle)
//export networkEventLifecycleCallback
func networkEventLifecycleCallback(c C.virConnectPtr, n C.virNetworkPtr,
event int, detail int,
goCallbackId int) {
network := &Network{ptr: n}
connection := &Connect{ptr: c}
eventDetails := &NetworkEventLifecycle{
Event: NetworkEventLifecycleType(event),
Detail: detail,
}
callbackFunc := getCallbackId(goCallbackId)
callback, ok := callbackFunc.(NetworkEventLifecycleCallback)
if !ok {
panic("Inappropriate callback type called")
}
callback(connection, network, eventDetails)
}
func (c *Connect) NetworkEventLifecycleRegister(net *Network, callback NetworkEventLifecycleCallback) (int, error) {
goCallBackId := registerCallbackId(callback)
if C.LIBVIR_VERSION_NUMBER < 1002001 {
return 0, makeNotImplementedError("virConnectNetworkEventRegisterAny")
}
callbackPtr := unsafe.Pointer(C.networkEventLifecycleCallbackHelper)
var cnet C.virNetworkPtr
if net != nil {
cnet = net.ptr
}
var err C.virError
ret := C.virConnectNetworkEventRegisterAnyWrapper(c.ptr, cnet,
C.VIR_NETWORK_EVENT_ID_LIFECYCLE,
C.virConnectNetworkEventGenericCallback(callbackPtr),
C.long(goCallBackId), &err)
if ret == -1 {
freeCallbackId(goCallBackId)
return 0, makeError(&err)
}
return int(ret), nil
}
func (c *Connect) NetworkEventDeregister(callbackId int) error {
if C.LIBVIR_VERSION_NUMBER < 1002001 {
return makeNotImplementedError("virConnectNetworkEventDeregisterAny")
}
// Deregister the callback
var err C.virError
ret := int(C.virConnectNetworkEventDeregisterAnyWrapper(c.ptr, C.int(callbackId), &err))
if ret < 0 {
return makeError(&err)
}
return nil
}
func (e NetworkEventLifecycle) String() string {
var event string
switch e.Event {
case NETWORK_EVENT_DEFINED:
event = "defined"
case NETWORK_EVENT_UNDEFINED:
event = "undefined"
case NETWORK_EVENT_STARTED:
event = "started"
case NETWORK_EVENT_STOPPED:
event = "stopped"
default:
event = "unknown"
}
return fmt.Sprintf("Network event=%q", event)
}
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