socket.on('data', function(chunk){
  decodeChunk(chunk.toString('hex'), function(response){
    if(response.name === 'toDB'){
      //write smth. to DB
    }

    if(response.name === 'readDB'){
      //watch all incoming tcp sockets with 'toDB' and continiously
      //send to client connected with this socket
    }

  });
})