Can ref-array be used in ffi Callback?

[zerbobo]

I have C code:

typedef void (*CallbackFunction)(int values[], int num);

int onMessage(CallbackFunction cb)
{
    int nums[] = {1,2,3,4,5};
    cb(nums, 5);
    return 0;
}

And js code:

var ffi = require('ffi');
var ref = require('ref');
var refArray = require('ref-array');
var lib = ffi.Library('my_lib', {
    'onMessage', ['int', [ffi.Function('void', [refArray(ref.types.int), ref.types.int])]]
});

lib.onMessage(ffi.Callback('void', [refArray(ref.types.int), ref.types.int], function(values, num){
      for(var i = 0; i < num; i++) {
        console.log(values[i]);
      }
}));

The js run result is:

undefined
undefined
undefined
undefined
undefined

So It doesn't work?

[hitman401]

I am facing a similar problem too. Any help on this issue is much appreciated. Is there a workaround for this issue?

[hitman401]

@zerbobo, I managed to get this one right.

const arrayPointer = ref._reinterpret(values, num);
const actualArray = new IntArrayType(arrayPointer);