Exemplo n.º 1
0
func (d *mdiscovery) Scan(query string, handlerPtr mojom.ScanHandler_Pointer) (*mojom.Closer_Pointer, *mojom.Error, error) {
	ctx, cancel := context.WithCancel(d.ctx)

	scanCh, err := d.d.Scan(ctx, query)
	if err != nil {
		cancel()
		return nil, v2mError(err), nil
	}

	handler := mojom.NewScanHandlerProxy(handlerPtr, bindings.GetAsyncWaiter())
	go func() {
		defer handler.Close_Proxy()

		for update := range scanCh {
			mUpdate := newMojoUpdate(d.ctx, update)

			req, ptr := mojom.CreateMessagePipeForUpdate()
			stub := mojom.NewUpdateStub(req, mUpdate, bindings.GetAsyncWaiter())
			if err := handler.OnUpdate(ptr); err != nil {
				stub.Close()
				cancel()
				return
			}
			d.serveStub(stub, nil)
		}
	}()

	req, ptr := mojom.CreateMessagePipeForCloser()
	stub := mojom.NewCloserStub(req, &closer{cancel}, bindings.GetAsyncWaiter())
	d.serveStub(stub, cancel)
	return &ptr, nil, nil
}
Exemplo n.º 2
0
func (d *mdiscovery) Advertise(ad mojom.Advertisement, visibility *[]string) (*[AdIdLen]uint8, *mojom.Closer_Pointer, *mojom.Error, error) {
	ctx, cancel := context.WithCancel(d.ctx)

	vAd := m2vAd(&ad)
	vVisibility := m2vVisibility(visibility)
	done, err := d.d.Advertise(ctx, &vAd, vVisibility)
	if err != nil {
		cancel()
		return nil, nil, v2mError(err), nil
	}

	stop := func() {
		cancel()
		<-done
	}
	req, ptr := mojom.CreateMessagePipeForCloser()
	stub := mojom.NewCloserStub(req, &closer{stop}, bindings.GetAsyncWaiter())
	d.serveStub(stub, stop)

	var id [AdIdLen]uint8
	id = vAd.Id
	return &id, &ptr, nil, nil
}