45 lines
1.4 KiB
JavaScript
45 lines
1.4 KiB
JavaScript
var memcached = require('memcache');
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var winston = require('winston');
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// Create a new store with options
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var MemcachedDocumentStore = function(options) {
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this.expire = options.expire;
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if (!MemcachedDocumentStore.client) {
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MemcachedDocumentStore.connect(options);
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}
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};
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// Create a connection
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MemcachedDocumentStore.connect = function(options) {
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var host = options.host || '127.0.0.1';
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var port = options.port || 11211;
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this.client = new memcached.Client(port, host);
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this.client.connect();
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this.client.on('connect', function() {
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winston.info('connected to memcached on ' + host + ':' + port);
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});
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this.client.on('error', function(e) {
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winston.info('error connecting to memcached', { error: e });
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});
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};
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// Save file in a key
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MemcachedDocumentStore.prototype.set =
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function(key, data, callback, skipExpire) {
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MemcachedDocumentStore.client.set(key, data, function(err, reply) {
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err ? callback(false) : callback(true);
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}, skipExpire ? 0 : this.expire);
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};
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// Get a file from a key
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MemcachedDocumentStore.prototype.get = function(key, callback, skipExpire) {
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var _this = this;
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MemcachedDocumentStore.client.get(key, function(err, reply) {
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callback(err ? false : reply);
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if (_this.expire && !skipExpire) {
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winston.warn('store does not currently push forward expirations on GET');
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}
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});
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};
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module.exports = MemcachedDocumentStore;
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