windivert.js

var wd = require('bindings')('WinDivert');
wd.decoders = require('./decoders.js');
wd.listen = function(filter, cb, handleClose){
	handleClose = handleClose || true;
	var handle = new wd.WinDivert(filter, 0, 0, 0);
	handle.open();
	(function recvLoop(){
		handle.recv(function(err, data){
			var ret = cb(data.packet, data.addr);
			if(Buffer.isBuffer(ret)){
				handle.HelperCalcChecksums(data, 0);	
				handle.send(data);
			}
			else if(ret!==false){
				handle.send(data);
			}
			recvLoop();
		});	
	}());	
	if(handleClose){
		function exitHandler(options, err) {
			console.log("Exiting");
		    if (err) console.log(err.stack);
		    if (options.exit){handle.close(); process.exit();}
		}
		process.on('exit', exitHandler.bind(null,{cleanup:true}));
		process.on('SIGINT', exitHandler.bind(null, {exit:true}));
		process.on('uncaughtException', exitHandler.bind(null, {exit:true}));
	}
	return handle;
};
module.exports = wd;