54 lines
1.5 KiB
JavaScript
54 lines
1.5 KiB
JavaScript
var MODE_FILE = require('./constants.js').MODE_FILE;
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function Node(options) {
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var now = Date.now();
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this.id = options.id;
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this.mode = options.mode || MODE_FILE; // node type (file, directory, etc)
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this.size = options.size || 0; // size (bytes for files, entries for directories)
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this.atime = options.atime || now; // access time (will mirror ctime after creation)
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this.ctime = options.ctime || now; // creation/change time
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this.mtime = options.mtime || now; // modified time
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this.flags = options.flags || []; // file flags
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this.xattrs = options.xattrs || {}; // extended attributes
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this.nlinks = options.nlinks || 0; // links count
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this.version = options.version || 0; // node version
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this.blksize = undefined; // block size
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this.nblocks = 1; // blocks count
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this.data = options.data; // id for data object
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}
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// Make sure the options object has an id on property,
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// either from caller or one we generate using supplied guid fn.
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function ensureID(options, prop, callback) {
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if(options[prop]) {
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callback(null);
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} else {
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options.guid(function(err, id) {
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options[prop] = id;
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callback(err);
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});
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}
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}
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Node.create = function(options, callback) {
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// We expect both options.id and options.data to be provided/generated.
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ensureID(options, 'id', function(err) {
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if(err) {
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callback(err);
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return;
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}
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ensureID(options, 'data', function(err) {
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if(err) {
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callback(err);
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return;
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}
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callback(null, new Node(options));
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});
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});
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};
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module.exports = Node;
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