1 files changed, 42 insertions, 0 deletions
diff --git a/lib/ioctl.cpp b/lib/ioctl.cpp
new file mode 100644
index 0000000..32af5fa
--- /dev/null
+++ b/lib/ioctl.cpp
@@ -0,0 +1,42 @@
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <linux/input.h>
+#include "nan.h"
+
+NAN_METHOD(eviocgrab) {
+  assert(info.Length() == 2);
+  if (!info[0]->IsUint32()) Nan::ThrowTypeError("Argument 0 Must be an Integer");
+  if (!info[1]->IsUint32()) Nan::ThrowTypeError("Argument 1 Must be an Integer");
+  int fd   = Nan::To<int32_t>(info[0]).ToChecked();
+  int grab = Nan::To<int32_t>(info[1]).ToChecked();
+
+  int res = ioctl(fd, EVIOCGRAB, grab);
+  if (res < 0) return Nan::ThrowError(
+    Nan::ErrnoException(errno, "ioctl", nullptr, nullptr));
+
+  info.GetReturnValue().Set(res);
+}
+
+NAN_METHOD(eviocgid) {
+  assert(info.Length() == 1);
+  if (!info[0]->IsUint32()) Nan::ThrowTypeError("Argument 0 Must be an Integer");
+  int fd = Nan::To<int32_t>(info[0]).ToChecked();
+
+  struct input_id id;
+  if (ioctl(fd, EVIOCGID, &id) == -1) return Nan::ThrowError(
+    Nan::ErrnoException(errno, "ioctl", nullptr, nullptr));
+
+  v8::Local<v8::Object> size = Nan::New<v8::Object>();
+  Nan::Set(size, Nan::New("bustype").ToLocalChecked(), Nan::New((double)id.bustype));
+  Nan::Set(size, Nan::New("vendor" ).ToLocalChecked(), Nan::New((double)id.vendor ));
+  Nan::Set(size, Nan::New("product").ToLocalChecked(), Nan::New((double)id.product));
+  Nan::Set(size, Nan::New("version").ToLocalChecked(), Nan::New((double)id.version));
+  info.GetReturnValue().Set(size);
+}
+
+NAN_MODULE_INIT(InitAll) {
+  NAN_EXPORT(target, eviocgrab);
+  NAN_EXPORT(target, eviocgid);
+}
+
+NODE_MODULE(ioctl, InitAll)