implement wgOnEvent

1 files changed, 8 insertions, 4 deletions

diff --git a/tunnel/tools/libwg-go/api-android.go b/tunnel/tools/libwg-go/api-android.go
index d47c5d76..e3e97c67 100644
--- a/tunnel/tools/libwg-go/api-android.go
+++ b/tunnel/tools/libwg-go/api-android.go
@@ -7,6 +7,7 @@ package main
 
 // #cgo LDFLAGS: -llog
 // #include <android/log.h>
+// extern void wgOnEvent(void *eventHandler, const char *event);
 import "C"
 
 import (
@@ -48,6 +49,7 @@ func (l AndroidLogger) Printf(format string, args ...interface{}) {
 type TunnelHandle struct {
 	device *device.Device
 	uapi   net.Listener
+	eventHandler unsafe.Pointer
 }
 
 var tunnelHandles map[int32]TunnelHandle
@@ -73,7 +75,7 @@ func init() {
 }
 
 //export wgTurnOn
-func wgTurnOn(interfaceName string, tunFd int32, settings string) int32 {
+func wgTurnOn(interfaceName string, tunFd int32, settings string, eventHandler unsafe.Pointer) int32 {
 	tag := cstring("WireGuard/GoBackend/" + interfaceName)
 	logger := &device.Logger{
 		Verbosef: AndroidLogger{level: C.ANDROID_LOG_DEBUG, tag: tag}.Printf,
@@ -142,21 +144,23 @@ func wgTurnOn(interfaceName string, tunFd int32, settings string) int32 {
 		device.Close()
 		return -1
 	}
-	tunnelHandles[i] = TunnelHandle{device: device, uapi: uapi}
+	tunnelHandles[i] = TunnelHandle{device: device, uapi: uapi, eventHandler: eventHandler}
 	return i
 }
 
 //export wgTurnOff
-func wgTurnOff(tunnelHandle int32) {
+func wgTurnOff(tunnelHandle int32) unsafe.Pointer {
 	handle, ok := tunnelHandles[tunnelHandle]
 	if !ok {
-		return
+		return nil
 	}
+	eventHandler := handle.eventHandler
 	delete(tunnelHandles, tunnelHandle)
 	if handle.uapi != nil {
 		handle.uapi.Close()
 	}
 	handle.device.Close()
+	return eventHandler
 }
 
 //export wgGetSocketV4