nodejs调用c++dll并返回结构类型

// cnc_resetconnect.cc
#include
#include


#include
#include


namespace demo {


using v8::FunctionCallbackInfo;
using v8::Isolate;
using v8::Local;
using v8::Object;
using v8::String;
using v8::Value;
using v8::Number;
using v8::Uint32;
using v8::Integer;
using v8::Exception;
using v8::Array;


/* allocate library handle 3 */
//FWLIBAPI short WINAPI cnc_allclibhndl3(const char *, unsigned short, long, unsigned short *);
void Cnc_allclibhndl3(const FunctionCallbackInfo& args) {
  Isolate* isolate = args.GetIsolate();


  // Check the number of arguments passed.
  if (args.Length() != 4 ) {
    // Throw an Error that is passed back to JavaScript
    isolate->ThrowException(Exception::TypeError(
        String::NewFromUtf8(isolate, "Wrong number of arguments")));
    return;
  }


  HINSTANCE hDLL;
  hDLL=LoadLibrary("Fwlib32.dll");//加载动态链接库Fwlib32.dll文件；
  if (!hDLL) {
 // Throw an Error that is passed back to JavaScript
 DWORD dRe = GetLastError();
 char sz[4];
 sprintf(sz, "cat not get lib, error is %d", dRe);
 isolate->ThrowException(Exception::TypeError(
 String::NewFromUtf8(isolate, sz)));
 return;
  }


typedef  short(WINAPI *pMax)(const char *, unsigned short, long, unsigned short *);//函数指针
  pMax pCnc_resetconnect=NULL;
  pCnc_resetconnect=(pMax)GetProcAddress(hDLL,"cnc_allclibhndl3");
  if ( !pCnc_resetconnect ) {
    // Throw an Error that is passed back to JavaScript
    isolate->ThrowException(Exception::TypeError(
        String::NewFromUtf8(isolate, "can not get function: cnc_allclibhndl3 from Fwlib32.dll.")));
    return;
  }
 
  String::Utf8Value utf(args[0]->ToString());
  char* bufferdata = *utf;


  int a = args[1]->Uint32Value();
  int b = args[2]->Uint32Value();
  int c = args[3]->Uint32Value();


//   char buf[256];
//   sprintf(buf, "%s : %d : %d : %d", bufferdata, a, b, c);
//   MessageBox(NULL, buf, "", MB_OK);


  unsigned short iThr = c;


  short value = pCnc_resetconnect(bufferdata, a, b, &iThr);


  Local num = Uint32::New(isolate, value);
  Local handle = Uint32::New(isolate, iThr);


  Local