Removed some console

Fixed issue 60

samples/issue-60.js

@@ -0,0 +1,62 @@
+const client = require('../src/client'); // RWM: Import from npm installed package rather than from src
+//const client = require("node-eventstore-client");
+
+const resolveLinkTos = true;
+
+function resumeEvent(event) {
+  return [
+    event.originalEvent.eventType,
+    [event.originalEventNumber.toNumber(), event.originalStreamId].join('@'),
+    event.originalPosition
+  ].join(" ")
+}
+
+const eventAppeared = (subscription, event) => console.log("Event received", resumeEvent(event));
+
+const subscriptionDropped = (subscription, reason, error) => console.log("Subscription dropped", reason, error);
+
+const libeProcessingStarted = () => console.log("Live processing started.");
+
+const credentials = new client.UserCredentials("admin", "changeit");
+
+const settings = {
+    maxReconnections: 10,
+    reconnectionDelay: 1000, // RWM: slow down the reconnection attempts. 10 seconds to restore connection.
+};
+if (process.env.ENABLE_LOGGING) settings.log = console;
+if (process.env.VERBOSE) settings.verboseLogging = true;
+const endpoint = "tcp://localhost:1113";
+const connection = client.createConnection(settings, endpoint);
+
+connection.connect().catch(err => console.log("Connection failed", err));
+
+connection.on('heartbeatInfo', heartbeatInfo =>
+  console.log('Heartbeat latency', heartbeatInfo.responseReceivedAt - heartbeatInfo.requestSentAt, 'ms')
+);
+
+connection.once("connected", tcpEndPoint => {
+  console.log(`Connected to eventstore at ${tcpEndPoint.host}:${tcpEndPoint.port}`);
+  // RWM: subscribe Stream instead of All
+  connection.subscribeToStreamFrom(
+    "test", // RWM: Stream to subscribe to
+    null,
+    resolveLinkTos,
+    eventAppeared,
+    libeProcessingStarted,
+    subscriptionDropped,
+    credentials
+  );
+});
+
+connection.on("error", error =>
+  console.log(`Error occurred on connection: ${error}`)
+)
+
+connection.on("closed", reason =>
+  console.log(`Connection closed, reason: ${reason}`)
+)
+
+// RWM: Handle the reconnecting event, for better awareness of what's happening
+connection.on("reconnecting", msg =>
+  console.log(`Reconnecting, msg: ${JSON.stringify(msg, null, 4)}`)
+)

src/clientOperations/volatileSubscriptionOperation.js

@@ -46,7 +46,7 @@ VolatileSubscriptionOperation.prototype._inspectPackage = function(pkg) {
     }
     return null;
   } catch(e) {
-    console.log(e.stack);
+    this._log.warn(e.stack);
     return null;
   }
 };

src/core/eventStoreConnectionLogicHandler.js

@@ -50,7 +50,7 @@ function EventStoreConnectionLogicHandler(esConnection, settings) {
   EventEmitter.call(this);
   this._esConnection = esConnection;
   this._settings = settings;
-  this._queue = new SimpleQueuedHandler();
+  this._queue = new SimpleQueuedHandler(this._settings.log);
   this._state = ConnectionState.Init;
   this._connectingPhase = ConnectingPhase.Invalid;
   this._endpointDiscoverer = null;

src/core/simpleQueuedHandler.js

@@ -4,10 +4,11 @@ function typeName(t) {
   throw new TypeError('type must be a function or object, not ' + typeof t);
 }
 
-function SimpleQueuedHandler() {
+function SimpleQueuedHandler(log) {
   this._handlers = {};
   this._messages = [];
   this._isProcessing = false;
+  this._log = log;
 }
 
 SimpleQueuedHandler.prototype.registerHandler = function(type, handler) {
@@ -16,7 +17,7 @@ SimpleQueuedHandler.prototype.registerHandler = function(type, handler) {
     try {
       handler(msg);
     } catch(e) {
-      console.log('ERROR: ', e.stack);
+      this._log.error('handle for', type, 'failed:', e.stack);
     }
   };
 };

src/eventStorePersistentSubscriptionBase.js

@@ -38,6 +38,7 @@ EventStorePersistentSubscriptionBase.prototype.start = function() {
   return this._startSubscription(this._subscriptionId, this._streamId, this._bufferSize, this._userCredentials,
                           this._onEventAppeared.bind(this), this._onSubscriptionDropped.bind(this), this._settings)
       .then(function(subscription) {
+        this._log.debug('Subscription started.');
         self._subscription = subscription;
         return self;
       });

src/transport/tcp/tcpConnection.js

@@ -35,16 +35,15 @@ TcpConnection.prototype._initSocket = function(socket) {
   this._localEndPoint = {host: socket.localAddress, port: socket.localPort};
   this._remoteEndPoint.host = socket.remoteAddress;
 
-  this._socket.on('drain', this._trySend.bind(this));
   this._socket.on('error', this._processError.bind(this));
+  this._socket.on('drain', this._trySend.bind(this));
   this._socket.on('data', this._processReceive.bind(this));
+  this._socket.on('close', this._processClose.bind(this));
 
   this._trySend();
 };
 
 TcpConnection.prototype.enqueueSend = function(bufSegmentArray) {
-  //console.log(bufSegmentArray);
-
   for(var i = 0; i < bufSegmentArray.length; i++) {
     var bufSegment = bufSegmentArray[i];
     this._sendQueue.push(bufSegment.toBuffer());
@@ -59,7 +58,7 @@ TcpConnection.prototype._trySend = function() {
   var buffers = [];
   var bytes = 0;
   var sendPiece;
-  while(sendPiece = this._sendQueue.shift()) {
+  while((sendPiece = this._sendQueue.shift())) {
     buffers.push(sendPiece);
     bytes += sendPiece.length;
     if (bytes > MaxSendPacketSize) break;
@@ -75,6 +74,10 @@ TcpConnection.prototype._processError = function(err) {
   this._closeInternal(err, "Socket error");
 };
 
+TcpConnection.prototype._processClose = function(had_error) {
+  this._closeInternal(had_error, "Socket closed");
+};
+
 TcpConnection.prototype._processReceive = function(buf) {
   if (buf.length === 0) {
     //NotifyReceiveCompleted(0);
@@ -140,19 +143,20 @@ TcpConnection.createConnectingConnection = function(
   var provider = ssl ? tls : net;
   var options = {
     servername: targetHost,
-    rejectUnauthorized: validateServer
+    rejectUnauthorized: validateServer,
+    port: remoteEndPoint.port,
+    host: remoteEndPoint.host,
+    timeout: connectionTimeout
   };
-  var socket = provider.connect(remoteEndPoint.port, remoteEndPoint.host, options);
-  function onError(err) {
-    if (onConnectionFailed)
-      onConnectionFailed(connection, err);
-  }
-  socket.once('error', onError);
-  socket.on('connect', function() {
+  var socket = provider.connect(options, function() {
     socket.removeListener('error', onError);
     connection._initSocket(socket);
     if (onConnectionEstablished) onConnectionEstablished(connection);
   });
+  socket.once('error', onError);
+  function onError(err) {
+    if (onConnectionFailed) onConnectionFailed(connection, err);
+  }
   return connection;
 };
 

src/transport/tcp/tcpPackageConnection.js

@@ -54,12 +54,11 @@ function TcpPackageConnection(
         log.debug("TcpPackageConnection: connection to [%j, L%j, %s] failed. Error: %s.", conn.remoteEndPoint, conn.localEndPoint, connectionId, error);
         connectionClosed(self, error);
       },
-      function (conn, had_error) {
-        var error;
-        if (had_error) error = new Error('transmission error.');
+      function (conn, error) {
+        if (error === true) error = new Error('transmission error.');
 
         log.debug("TcpPackageConnection: connection [%j, L%j, %s] was closed %s", conn.remoteEndPoint, conn.localEndPoint,
-            connectionId, had_error ? "with error: " + error + "." : "cleanly.");
+            connectionId, error ? "with error: " + error.stack : "cleanly.");
 
         connectionClosed(self, error);
       });