Merge branch 'master' into master

docs/client.md

@@ -276,15 +276,15 @@ containing the following fields:
 |timeLimit  |the maximum amount of time the server should take in responding, in seconds. Defaults to 10.  Lots of servers will ignore this.|
 |paged      |enable and/or configure automatic result paging|
 
-Responses from the `search` method are an `EventEmitter` where you will get a
-notification for each `searchEntry` that comes back from the server.  You will
-additionally be able to listen for a `searchReference`, `error` and `end` event.
-Note that the `error` event will only be for client/TCP errors, not LDAP error
-codes like the other APIs.  You'll want to check the LDAP status code
-(likely for `0`) on the `end` event to assert success.  LDAP search results
-can give you a lot of status codes, such as time or size exceeded, busy,
-inappropriate matching, etc., which is why this method doesn't try to wrap up
-the code matching.
+Responses inside callback of the `search` method are an `EventEmitter` where you will get a notification for
+each `searchEntry` that comes back from the server. You will additionally be able to listen for a `searchRequest`
+, `searchReference`, `error` and `end` event.
+`searchRequest` is emitted immediately after every `SearchRequest` is sent with a `SearchRequest` parameter. You can do operations
+like `client.abandon` with `searchRequest.messageID` to abandon this search request. Note that the `error` event will
+only be for client/TCP errors, not LDAP error codes like the other APIs. You'll want to check the LDAP status code
+(likely for `0`) on the `end` event to assert success. LDAP search results can give you a lot of status codes, such as
+time or size exceeded, busy, inappropriate matching, etc., which is why this method doesn't try to wrap up the code
+matching.
 
 Example:
 
@@ -298,6 +298,9 @@ const opts = {
 client.search('o=example', opts, (err, res) => {
   assert.ifError(err);
 
+  res.on('searchRequest', (searchRequest) => {
+    console.log('searchRequest: ', searchRequest.messageID);
+  });
   res.on('searchEntry', (entry) => {
     console.log('entry: ' + JSON.stringify(entry.object));
   });

lib/client/client.js

@@ -630,9 +630,9 @@ Client.prototype.search = function search (base,
       callback: callback,
       controls: controls,
       pageSize: size,
-      pagePause: pageOpts.pagePause
+      pagePause: pageOpts.pagePause,
+      sendRequest: sendRequest
     })
-    pager.on('search', sendRequest)
     pager.begin()
   } else {
     sendRequest(controls, new CorkedEmitter(), callback)
@@ -1251,7 +1251,9 @@ Client.prototype._sendSocket = function _sendSocket (message,
       conn.end()
     } else if (emitter) {
       sentEmitter = true
-      return callback(null, emitter)
+      callback(null, emitter)
+      emitter.emit('searchRequest', message)
+      return
     }
     return false
   }

lib/client/search_pager.js

@@ -10,6 +10,8 @@ const assert = require('assert-plus')
 // var Protocol = require('../protocol')
 const PagedControl = require('../controls/paged_results_control.js')
 
+const CorkedEmitter = require('../corked_emitter.js')
+
 /// --- API
 
 /**
@@ -29,19 +31,20 @@ const PagedControl = require('../controls/paged_results_control.js')
  *                will be emitted (and 'end' will not be).  By listening to
  *                'pageError', a successful search that lacks paging will be
  *                able to emit 'end'.
- * 3. search    - Emitted as an internal event to trigger another client search.
  */
 function SearchPager (opts) {
   assert.object(opts)
   assert.func(opts.callback)
   assert.number(opts.pageSize)
+  assert.func(opts.sendRequest)
 
-  EventEmitter.call(this, {})
+  CorkedEmitter.call(this, {})
 
   this.callback = opts.callback
   this.controls = opts.controls
   this.pageSize = opts.pageSize
   this.pagePause = opts.pagePause
+  this.sendRequest = opts.sendRequest
 
   this.controls.forEach(function (control) {
     if (control.type === PagedControl.OID) {
@@ -55,12 +58,13 @@ function SearchPager (opts) {
   this.started = false
 
   const emitter = new EventEmitter()
+  emitter.on('searchRequest', this.emit.bind(this, 'searchRequest'))
   emitter.on('searchEntry', this.emit.bind(this, 'searchEntry'))
   emitter.on('end', this._onEnd.bind(this))
   emitter.on('error', this._onError.bind(this))
   this.childEmitter = emitter
 }
-util.inherits(SearchPager, EventEmitter)
+util.inherits(SearchPager, CorkedEmitter)
 module.exports = SearchPager
 
 /**
@@ -143,8 +147,7 @@ SearchPager.prototype._nextPage = function _nextPage (cookie) {
     }
   }))
 
-  this.emit('search', controls, this.childEmitter,
-    this._sendCallback.bind(this))
+  this.sendRequest(controls, this.childEmitter, this._sendCallback.bind(this))
 }
 
 /**

test/client.test.js

@@ -777,14 +777,23 @@ tap.test('search paged', { timeout: 10000 }, function (t) {
   t.test('paged - no pauses', function (t2) {
     let countEntries = 0
     let countPages = 0
+    let currentSearchRequest = null
     t.context.client.search('cn=paged', { paged: { pageSize: 100 } }, function (err, res) {
       t2.error(err)
       res.on('searchEntry', entryListener)
+      res.on('searchRequest', (searchRequest) => {
+        t2.ok(searchRequest instanceof ldap.SearchRequest)
+        if (currentSearchRequest === null) {
+          t2.equal(countPages, 0)
+        }
+        currentSearchRequest = searchRequest
+      })
       res.on('page', pageListener)
       res.on('error', (err) => t2.error(err))
-      res.on('end', function () {
+      res.on('end', function (result) {
         t2.equal(countEntries, 1000)
         t2.equal(countPages, 10)
+        t2.equal(result.messageID, currentSearchRequest.messageID)
         t2.end()
       })
 
@@ -797,8 +806,11 @@ tap.test('search paged', { timeout: 10000 }, function (t) {
         countEntries += 1
       }
 
-      function pageListener () {
+      function pageListener (result) {
         countPages += 1
+        if (countPages < 10) {
+          t2.equal(result.messageID, currentSearchRequest.messageID)
+        }
       }
     })
   })
@@ -899,6 +911,25 @@ tap.test('search paged', { timeout: 10000 }, function (t) {
     })
   })
 
+  tap.test('paged - search with delayed event listener binding', function (t) {
+    t.context.client.search('cn=paged', { filter: '(objectclass=*)', paged: true }, function (err, res) {
+      t.error(err)
+      setTimeout(() => {
+        let gotEntry = 0
+        res.on('searchEntry', function () {
+          gotEntry++
+        })
+        res.on('error', function (err) {
+          t.fail(err)
+        })
+        res.on('end', function () {
+          t.equal(gotEntry, 1000)
+          t.end()
+        })
+      }, 100)
+    })
+  })
+
   t.end()
 })