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Diffstat (limited to 'src/dma/vendor/github.com/libvirt/libvirt-go/events.go')
-rw-r--r--src/dma/vendor/github.com/libvirt/libvirt-go/events.go258
1 files changed, 258 insertions, 0 deletions
diff --git a/src/dma/vendor/github.com/libvirt/libvirt-go/events.go b/src/dma/vendor/github.com/libvirt/libvirt-go/events.go
new file mode 100644
index 00000000..bf2c1f4e
--- /dev/null
+++ b/src/dma/vendor/github.com/libvirt/libvirt-go/events.go
@@ -0,0 +1,258 @@
+/*
+ * 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
+
+/*
+#cgo pkg-config: libvirt
+#include <stdint.h>
+#include "events_wrapper.h"
+*/
+import "C"
+
+type EventHandleType int
+
+const (
+ EVENT_HANDLE_READABLE = EventHandleType(C.VIR_EVENT_HANDLE_READABLE)
+ EVENT_HANDLE_WRITABLE = EventHandleType(C.VIR_EVENT_HANDLE_WRITABLE)
+ EVENT_HANDLE_ERROR = EventHandleType(C.VIR_EVENT_HANDLE_ERROR)
+ EVENT_HANDLE_HANGUP = EventHandleType(C.VIR_EVENT_HANDLE_HANGUP)
+)
+
+// See also https://libvirt.org/html/libvirt-libvirt-event.html#virEventRegisterDefaultImpl
+func EventRegisterDefaultImpl() error {
+ var err C.virError
+ if i := int(C.virEventRegisterDefaultImplWrapper(&err)); i != 0 {
+ return makeError(&err)
+ }
+ return nil
+}
+
+// See also https://libvirt.org/html/libvirt-libvirt-event.html#virEventRunDefaultImpl
+func EventRunDefaultImpl() error {
+ var err C.virError
+ if i := int(C.virEventRunDefaultImplWrapper(&err)); i != 0 {
+ return makeError(&err)
+ }
+ return nil
+}
+
+type EventHandleCallback func(watch int, file int, events EventHandleType)
+
+//export eventHandleCallback
+func eventHandleCallback(watch int, fd int, events int, callbackID int) {
+ callbackFunc := getCallbackId(callbackID)
+
+ callback, ok := callbackFunc.(EventHandleCallback)
+ if !ok {
+ panic("Incorrect event handle callback data")
+ }
+
+ callback(watch, fd, (EventHandleType)(events))
+}
+
+// See also https://libvirt.org/html/libvirt-libvirt-event.html#virEventAddHandle
+func EventAddHandle(fd int, events EventHandleType, callback EventHandleCallback) (int, error) {
+ callbackID := registerCallbackId(callback)
+
+ var err C.virError
+ ret := C.virEventAddHandleWrapper((C.int)(fd), (C.int)(events), (C.int)(callbackID), &err)
+ if ret == -1 {
+ return 0, makeError(&err)
+ }
+
+ return int(ret), nil
+}
+
+// See also https://libvirt.org/html/libvirt-libvirt-event.html#virEventUpdateHandle
+func EventUpdateHandle(watch int, events EventHandleType) {
+ C.virEventUpdateHandle((C.int)(watch), (C.int)(events))
+}
+
+// See also https://libvirt.org/html/libvirt-libvirt-event.html#virEventRemoveHandle
+func EventRemoveHandle(watch int) error {
+ var err C.virError
+ ret := C.virEventRemoveHandleWrapper((C.int)(watch), &err)
+ if ret < 0 {
+ return makeError(&err)
+ }
+
+ return nil
+}
+
+type EventTimeoutCallback func(timer int)
+
+//export eventTimeoutCallback
+func eventTimeoutCallback(timer int, callbackID int) {
+ callbackFunc := getCallbackId(callbackID)
+
+ callback, ok := callbackFunc.(EventTimeoutCallback)
+ if !ok {
+ panic("Incorrect event timeout callback data")
+ }
+
+ callback(timer)
+}
+
+// See also https://libvirt.org/html/libvirt-libvirt-event.html#virEventAddTimeout
+func EventAddTimeout(freq int, callback EventTimeoutCallback) (int, error) {
+ callbackID := registerCallbackId(callback)
+
+ var err C.virError
+ ret := C.virEventAddTimeoutWrapper((C.int)(freq), (C.int)(callbackID), &err)
+ if ret == -1 {
+ return 0, makeError(&err)
+ }
+
+ return int(ret), nil
+}
+
+// See also https://libvirt.org/html/libvirt-libvirt-event.html#virEventUpdateTimeout
+func EventUpdateTimeout(timer int, freq int) {
+ C.virEventUpdateTimeout((C.int)(timer), (C.int)(freq))
+}
+
+// See also https://libvirt.org/html/libvirt-libvirt-event.html#virEventRemoveTimeout
+func EventRemoveTimeout(timer int) error {
+ var err C.virError
+ ret := C.virEventRemoveTimeoutWrapper((C.int)(timer), &err)
+ if ret < 0 {
+ return makeError(&err)
+ }
+
+ return nil
+}
+
+type EventHandleCallbackInfo struct {
+ callback uintptr
+ opaque uintptr
+ free uintptr
+}
+
+type EventTimeoutCallbackInfo struct {
+ callback uintptr
+ opaque uintptr
+ free uintptr
+}
+
+func (i *EventHandleCallbackInfo) Invoke(watch int, fd int, event EventHandleType) {
+ C.eventHandleCallbackInvoke(C.int(watch), C.int(fd), C.int(event), C.uintptr_t(i.callback), C.uintptr_t(i.opaque))
+}
+
+func (i *EventTimeoutCallbackInfo) Invoke(timer int) {
+ C.eventTimeoutCallbackInvoke(C.int(timer), C.uintptr_t(i.callback), C.uintptr_t(i.opaque))
+}
+
+func (i *EventHandleCallbackInfo) Free() {
+ C.eventHandleCallbackFree(C.uintptr_t(i.free), C.uintptr_t(i.opaque))
+}
+
+func (i *EventTimeoutCallbackInfo) Free() {
+ C.eventTimeoutCallbackFree(C.uintptr_t(i.free), C.uintptr_t(i.opaque))
+}
+
+type EventLoop interface {
+ AddHandleFunc(fd int, event EventHandleType, callback *EventHandleCallbackInfo) int
+ UpdateHandleFunc(watch int, event EventHandleType)
+ RemoveHandleFunc(watch int) int
+ AddTimeoutFunc(freq int, callback *EventTimeoutCallbackInfo) int
+ UpdateTimeoutFunc(timer int, freq int)
+ RemoveTimeoutFunc(timer int) int
+}
+
+var eventLoopImpl EventLoop
+
+// See also https://libvirt.org/html/libvirt-libvirt-event.html#virEventRegisterImpl
+func EventRegisterImpl(impl EventLoop) {
+ eventLoopImpl = impl
+ C.virEventRegisterImplWrapper()
+}
+
+//export eventAddHandleFunc
+func eventAddHandleFunc(fd C.int, event C.int, callback uintptr, opaque uintptr, free uintptr) C.int {
+ if eventLoopImpl == nil {
+ panic("Event loop impl is missing")
+ }
+
+ cbinfo := &EventHandleCallbackInfo{
+ callback: callback,
+ opaque: opaque,
+ free: free,
+ }
+
+ return C.int(eventLoopImpl.AddHandleFunc(int(fd), EventHandleType(event), cbinfo))
+}
+
+//export eventUpdateHandleFunc
+func eventUpdateHandleFunc(watch C.int, event C.int) {
+ if eventLoopImpl == nil {
+ panic("Event loop impl is missing")
+ }
+
+ eventLoopImpl.UpdateHandleFunc(int(watch), EventHandleType(event))
+}
+
+//export eventRemoveHandleFunc
+func eventRemoveHandleFunc(watch C.int) {
+ if eventLoopImpl == nil {
+ panic("Event loop impl is missing")
+ }
+
+ eventLoopImpl.RemoveHandleFunc(int(watch))
+}
+
+//export eventAddTimeoutFunc
+func eventAddTimeoutFunc(freq C.int, callback uintptr, opaque uintptr, free uintptr) C.int {
+ if eventLoopImpl == nil {
+ panic("Event loop impl is missing")
+ }
+
+ cbinfo := &EventTimeoutCallbackInfo{
+ callback: callback,
+ opaque: opaque,
+ free: free,
+ }
+
+ return C.int(eventLoopImpl.AddTimeoutFunc(int(freq), cbinfo))
+}
+
+//export eventUpdateTimeoutFunc
+func eventUpdateTimeoutFunc(timer C.int, freq C.int) {
+ if eventLoopImpl == nil {
+ panic("Event loop impl is missing")
+ }
+
+ eventLoopImpl.UpdateTimeoutFunc(int(timer), int(freq))
+}
+
+//export eventRemoveTimeoutFunc
+func eventRemoveTimeoutFunc(timer C.int) {
+ if eventLoopImpl == nil {
+ panic("Event loop impl is missing")
+ }
+
+ eventLoopImpl.RemoveTimeoutFunc(int(timer))
+}