58 lines
1.6 KiB
Go
58 lines
1.6 KiB
Go
//go:build windows
|
|
|
|
package oleutil
|
|
|
|
import (
|
|
"reflect"
|
|
"syscall"
|
|
"unsafe"
|
|
|
|
ole "github.com/gofiber/fiber/v2/internal/go-ole"
|
|
)
|
|
|
|
// ConnectObject creates a connection point between two services for communication.
|
|
func ConnectObject(disp *ole.IDispatch, iid *ole.GUID, idisp interface{}) (cookie uint32, err error) {
|
|
unknown, err := disp.QueryInterface(ole.IID_IConnectionPointContainer)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
container := (*ole.IConnectionPointContainer)(unsafe.Pointer(unknown))
|
|
var point *ole.IConnectionPoint
|
|
err = container.FindConnectionPoint(iid, &point)
|
|
if err != nil {
|
|
return
|
|
}
|
|
if edisp, ok := idisp.(*ole.IUnknown); ok {
|
|
cookie, err = point.Advise(edisp)
|
|
container.Release()
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
rv := reflect.ValueOf(disp).Elem()
|
|
if rv.Type().Kind() == reflect.Struct {
|
|
dest := &stdDispatch{}
|
|
dest.lpVtbl = &stdDispatchVtbl{}
|
|
dest.lpVtbl.pQueryInterface = syscall.NewCallback(dispQueryInterface)
|
|
dest.lpVtbl.pAddRef = syscall.NewCallback(dispAddRef)
|
|
dest.lpVtbl.pRelease = syscall.NewCallback(dispRelease)
|
|
dest.lpVtbl.pGetTypeInfoCount = syscall.NewCallback(dispGetTypeInfoCount)
|
|
dest.lpVtbl.pGetTypeInfo = syscall.NewCallback(dispGetTypeInfo)
|
|
dest.lpVtbl.pGetIDsOfNames = syscall.NewCallback(dispGetIDsOfNames)
|
|
dest.lpVtbl.pInvoke = syscall.NewCallback(dispInvoke)
|
|
dest.iface = disp
|
|
dest.iid = iid
|
|
cookie, err = point.Advise((*ole.IUnknown)(unsafe.Pointer(dest)))
|
|
container.Release()
|
|
if err != nil {
|
|
point.Release()
|
|
return
|
|
}
|
|
return
|
|
}
|
|
|
|
container.Release()
|
|
|
|
return 0, ole.NewError(ole.E_INVALIDARG)
|
|
}
|