119 lines
3.0 KiB
JavaScript
119 lines
3.0 KiB
JavaScript
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///--- Globals
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var parseDN = require('./dn').parse;
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var EntryChangeNotificationControl =
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require('./controls').EntryChangeNotificationControl;
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///--- API
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// Cache used to store connected persistent search clients
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function PersistentSearch() {
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this.clientList = [];
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}
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module.exports = PersistentSearch;
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PersistentSearch.prototype.addClient = function(req, res, callback) {
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if (typeof(req) !== 'object')
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throw new TypeError('req must be an object');
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if (typeof(res) !== 'object')
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throw new TypeError('res must be an object');
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if (callback && typeof(callback) !== 'function')
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throw new TypeError('callback must be a function');
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var log = req.log;
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var client = {};
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client.req = req;
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client.res = res;
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log.debug('%s storing client', req.logId);
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this.clientList.push(client);
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log.debug('%s stored client', req.logId);
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log.debug('%s total number of clients %s',
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req.logId, this.clientList.length);
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if (callback)
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callback(client);
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};
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PersistentSearch.prototype.removeClient = function(req, res, callback) {
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if (typeof(req) !== 'object')
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throw new TypeError('req must be an object');
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if (typeof(res) !== 'object')
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throw new TypeError('res must be an object');
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if (callback && typeof(callback) !== 'function')
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throw new TypeError('callback must be a function');
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var log = req.log;
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log.debug('%s removing client', req.logId);
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var client = {};
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client.req = req;
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client.res = res;
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// remove the client if it exists
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this.clientList.forEach(function(element, index, array) {
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if (element.req === client.req) {
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log.debug('%s removing client from list', req.logId);
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array.splice(index, 1);
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}
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});
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log.debug('%s number of persistent search clients %s',
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req.logId, this.clientList.length);
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if (callback)
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callback(client);
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};
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getOperationType = function(requestType) {
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switch (requestType) {
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case 'AddRequest':
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case 'add':
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return 1;
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case 'DeleteRequest':
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case 'delete':
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return 2;
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case 'ModifyRequest':
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case 'modify':
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return 4;
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case 'ModifyDNRequest':
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case 'modrdn':
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return 8;
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default:
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throw new TypeError('requestType %s, is an invalid request type',
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request);
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}
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};
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PersistentSearch.getEntryChangeNotificationControl =
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function(req, obj, callback) {
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console.log('getEntryChangeNotificationControl', obj);
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// if we want to return a ECNC
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if (req.persistentSearch.value.returnECs) {
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var attrs = obj.attributes;
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var value = {};
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value.changeType = getOperationType(attrs.changetype);
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// if it's a modDN request, fill in the previous DN
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if (value.changeType === 8 && attrs.previousDN) {
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value.previousDN = attrs.previousDN;
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}
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value.changeNumber = attrs.changenumber;
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return new EntryChangeNotificationControl({ value: value });
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} else {
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return false;
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}
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};
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PersistentSearch.checkChangeType = function(req, requestType) {
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return (req.persistentSearch.value.changeTypes &
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getOperationType(requestType));
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};
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