src: Add DMA localagent

[barometer.git] / src / dma / vendor / github.com / libvirt / libvirt-go / network_events.go

diff --git a/src/dma/vendor/github.com/libvirt/libvirt-go/network_events.go b/src/dma/vendor/github.com/libvirt/libvirt-go/network_events.go
new file mode 100644 (file)
index 0000000..2d9bddc
--- /dev/null
+++ b/src/dma/vendor/github.com/libvirt/libvirt-go/network_events.go
@@ -0,0 +1,125 @@
+/*
+ * 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)
+}