var Errors = require('./errors.js'); function OpenFileDescription(path, id, flags, position) { this.path = path; this.id = id; this.flags = flags; this.position = position; } // Tries to find the node associated with an ofd's `id`. // If not found, an error is returned on the callback. OpenFileDescription.prototype.getNode = function(context, callback) { var id = this.id; var path = this.path; function check_if_node_exists(error, node) { if(error) { return callback(error); } if(!node) { return callback(new Errors.EBADF('file descriptor refers to unknown node', path)); } callback(null, node); } context.getObject(id, check_if_node_exists); }; module.exports = OpenFileDescription;