Fix #172 socket id's not synced

Author: jumperchen

CHANGELOG.md

@@ -1,3 +1,13 @@
+## 2.0.0-beta.4-nullsafety.0
+
+**New Feature:**
+
+* [#177](https://github.com/rikulo/socket.io-client-dart/pull/177) Send credentials with the auth option
+
+**Bug fix:**
+
+* [#172](https://github.com/rikulo/socket.io-client-dart/issues/172) socket id's not synced
+
 ## 2.0.0-beta.3-nullsafety.0
 
 **New Feature:**

README.md

@@ -275,3 +275,4 @@ If you are new to Git or GitHub, please read [this guide](https://help.github.co
 - Thanks [@bruce3x](https://github.com/bruce3x) for https://github.com/rikulo/socket.io-client-dart/issues/25
 - Thanks [@Kavantix](https://github.com/Kavantix) for https://github.com/rikulo/socket.io-client-dart/issues/26
 - Thanks [@luandnguyen](https://github.com/luandnguyen) for https://github.com/rikulo/socket.io-client-dart/issues/59
+- Thanks [@jorgefspereira](https://github.com/jorgefspereira) for https://github.com/rikulo/socket.io-client-dart/pull/177

lib/src/manager.dart

@@ -66,13 +66,9 @@ class Manager extends EventEmitter {
   _Backoff? backoff;
   String readyState = 'closed';
   late String uri;
-  List connecting = [];
-  num? lastPing;
-  bool encoding = false;
-  List packetBuffer = [];
   bool reconnecting = false;
 
-  late engine_socket.Socket engine;
+  engine_socket.Socket? engine;
   Encoder encoder = Encoder();
   Decoder decoder = Decoder();
   late bool autoConnect;
@@ -98,41 +94,6 @@ class Manager extends EventEmitter {
     if (autoConnect) open();
   }
 
-  ///
-  /// Propagate given event to sockets and emit on `this`
-  ///
-  /// @api private
-  ///
-  void emitAll(String event, [data]) {
-    emit(event, data);
-    for (var nsp in nsps.keys) {
-      nsps[nsp]!.emit(event, data);
-    }
-  }
-
-  ///
-  /// Update `socket.id` of all sockets
-  ///
-  /// @api private
-  ///
-  void updateSocketIds() {
-    for (var nsp in nsps.keys) {
-      nsps[nsp]!.id = generateId(nsp);
-    }
-  }
-
-  ///
-  /// generate `socket.id` for the given `nsp`
-  ///
-  /// @param {String} nsp
-  /// @return {String}
-  /// @api private
-  ///
-  String generateId(String nsp) {
-    if (nsp.startsWith('/')) nsp = nsp.substring(1);
-    return (nsp.isEmpty ? '' : (nsp + '#')) + (engine.id ?? '');
-  }
-
   num? get randomizationFactor => _randomizationFactor;
   set randomizationFactor(num? v) {
     _randomizationFactor = v;
@@ -182,12 +143,12 @@ class Manager extends EventEmitter {
 
     _logger.fine('opening $uri');
     engine = engine_socket.Socket(uri, options);
-    var socket = engine;
+    var socket = engine!;
     readyState = 'opening';
     skipReconnect = false;
 
     // emit `open`
-    var openSub = util.on(socket, 'open', (_) {
+    var openSubDestroy = util.on(socket, 'open', (_) {
       onopen();
       if (callback != null) callback();
     });
@@ -197,7 +158,7 @@ class Manager extends EventEmitter {
       _logger.fine('connect_error');
       cleanup();
       readyState = 'closed';
-      emitAll('connect_error', data);
+      super.emit('error', data);
       if (callback != null) {
         callback({'error': 'Connection error', 'data': data});
       } else {
@@ -210,19 +171,22 @@ class Manager extends EventEmitter {
     if (timeout != null) {
       _logger.fine('connect attempt will timeout after $timeout');
 
+      if (timeout == 0) {
+        openSubDestroy
+            .destroy(); // prevents a race condition with the 'open' event
+      }
       // set timer
       var timer = Timer(Duration(milliseconds: timeout!.toInt()), () {
         _logger.fine('connect attempt timed out after $timeout');
-        openSub.destroy();
+        openSubDestroy.destroy();
         socket.close();
         socket.emit('error', 'timeout');
-        emitAll('connect_timeout', timeout);
       });
 
       subs.add(Destroyable(() => timer.cancel()));
     }
 
-    subs.add(openSub);
+    subs.add(openSubDestroy);
     subs.add(errorSub);
 
     return this;
@@ -244,7 +208,7 @@ class Manager extends EventEmitter {
     emit('open');
 
     // add subs
-    var socket = engine;
+    var socket = engine!;
     subs.add(util.on(socket, 'data', ondata));
     subs.add(util.on(socket, 'ping', onping));
     // subs.add(util.on(socket, 'pong', onpong));
@@ -259,8 +223,7 @@ class Manager extends EventEmitter {
   /// @api private
   ///
   void onping([_]) {
-    lastPing = DateTime.now().millisecondsSinceEpoch;
-    emitAll('ping');
+    emit('ping');
   }
 
   ///
@@ -297,7 +260,7 @@ class Manager extends EventEmitter {
   ///
   void onerror(err) {
     _logger.fine('error $err');
-    emitAll('error', err);
+    emit('error', err);
   }
 
   ///
@@ -309,24 +272,9 @@ class Manager extends EventEmitter {
   Socket socket(String nsp, Map opts) {
     var socket = nsps[nsp];
 
-    var onConnecting = ([_]) {
-      if (!connecting.contains(socket)) {
-        connecting.add(socket);
-      }
-    };
-
     if (socket == null) {
       socket = Socket(this, nsp, opts);
       nsps[nsp] = socket;
-      socket.on('connecting', onConnecting);
-      socket.on('connect', (_) {
-        socket!.id = generateId(nsp);
-      });
-
-      if (autoConnect) {
-        // manually call here since connecting event is fired before listening
-        onConnecting();
-      }
     }
 
     return socket;
@@ -338,8 +286,16 @@ class Manager extends EventEmitter {
   /// @param {Socket} socket
   ///
   void destroy(socket) {
-    connecting.remove(socket);
-    if (connecting.isNotEmpty) return;
+    final nsps = this.nsps.keys;
+
+    for (var nsp in nsps) {
+      final socket = this.nsps[nsp];
+
+      if (socket!.active) {
+        _logger.fine('socket $nsp is still active, skipping close');
+        return;
+      }
+    }
 
     close();
   }
@@ -352,37 +308,21 @@ class Manager extends EventEmitter {
   ///
   void packet(Map packet) {
     _logger.fine('writing packet $packet');
-    if (packet.containsKey('query') && packet['type'] == 0) {
-      packet['nsp'] += '''?${packet['query']}''';
-    }
 
     // if (encoding != true) {
     // encode, then write to engine with result
     // encoding = true;
     var encodedPackets = encoder.encode(packet);
 
     for (var i = 0; i < encodedPackets.length; i++) {
-      engine.write(encodedPackets[i], packet['options']);
+      engine!.write(encodedPackets[i], packet['options']);
     }
     // } else {
     // add packet to the queue
     // packetBuffer.add(packet);
     // }
   }
 
-  ///
-  /// If packet buffer is non-empty, begins encoding the
-  /// next packet in line.
-  ///
-  /// @api private
-  ///
-  void processPacketQueue() {
-    if (packetBuffer.isNotEmpty && encoding != true) {
-      var pack = packetBuffer.removeAt(0);
-      packet(pack);
-    }
-  }
-
   ///
   /// Clean up transport subscriptions and packet buffer.
   ///
@@ -397,10 +337,6 @@ class Manager extends EventEmitter {
       sub.destroy();
     }
 
-    packetBuffer = [];
-    encoding = false;
-    lastPing = null;
-
     decoder.destroy();
   }
 
@@ -422,7 +358,7 @@ class Manager extends EventEmitter {
     }
     backoff!.reset();
     readyState = 'closed';
-    engine.close();
+    engine?.close();
   }
 
   ///
@@ -454,7 +390,7 @@ class Manager extends EventEmitter {
     if (backoff!.attempts >= reconnectionAttempts!) {
       _logger.fine('reconnect failed');
       backoff!.reset();
-      emitAll('reconnect_failed');
+      emit('reconnect_failed');
       reconnecting = false;
     } else {
       var delay = backoff!.duration;
@@ -465,8 +401,7 @@ class Manager extends EventEmitter {
         if (skipReconnect!) return;
 
         _logger.fine('attempting reconnect');
-        emitAll('reconnect_attempt', backoff!.attempts);
-        emitAll('reconnecting', backoff!.attempts);
+        emit('reconnect_attempt', backoff!.attempts);
 
         // check again for the case socket closed in above events
         if (skipReconnect!) return;
@@ -476,7 +411,7 @@ class Manager extends EventEmitter {
             _logger.fine('reconnect attempt error');
             reconnecting = false;
             reconnect();
-            emitAll('reconnect_error', err['data']);
+            emit('reconnect_error', err['data']);
           } else {
             _logger.fine('reconnect success');
             onreconnect();
@@ -498,8 +433,7 @@ class Manager extends EventEmitter {
     var attempt = backoff!.attempts;
     reconnecting = false;
     backoff!.reset();
-    updateSocketIds();
-    emitAll('reconnect', attempt);
+    emit('reconnect', attempt);
   }
 }