First commit

node_modules/ldapjs/lib/client/request-queue/enqueue.js

@@ -0,0 +1,36 @@
+'use strict'
+
+/**
+ * Adds requests to the queue. If a timeout has been added to the queue then
+ * this will freeze the queue with the newly added item, flush it, and then
+ * unfreeze it when the queue has been cleared.
+ *
+ * @param {object} message An LDAP message object.
+ * @param {object} expect An expectation object.
+ * @param {object} emitter An event emitter or `null`.
+ * @param {function} cb A callback to invoke when the request is finished.
+ *
+ * @returns {boolean} `true` if the requested was queued. `false` if the queue
+ * is not accepting any requests.
+ */
+module.exports = function enqueue (message, expect, emitter, cb) {
+  if (this._queue.size >= this.size || this._frozen) {
+    return false
+  }
+
+  this._queue.add({ message, expect, emitter, cb })
+
+  if (this.timeout === 0) return true
+  if (this._timer === null) return true
+
+  // A queue can have a specified time allotted for it to be cleared. If that
+  // time has been reached, reject new entries until the queue has been cleared.
+  this._timer = setTimeout(queueTimeout.bind(this), this.timeout)
+
+  return true
+
+  function queueTimeout () {
+    this.freeze()
+    this.purge()
+  }
+}