wildfire chat server source initial submit

broker/src/main/java/io/moquette/connections/IConnectionsManager.java

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+/*
+ * Copyright (c) 2012-2017 The original author or authors
+ * ------------------------------------------------------
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Apache License v2.0 which accompanies this distribution.
+ *
+ * The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * The Apache License v2.0 is available at
+ * http://www.opensource.org/licenses/apache2.0.php
+ *
+ * You may elect to redistribute this code under either of these licenses.
+ */
+
+package io.moquette.connections;
+
+import java.util.Collection;
+
+/**
+ * This interface will be used by an external codebase to retrieve and close physical connections.
+ */
+public interface IConnectionsManager {
+
+    /**
+     * Returns the number of physical connections
+     *
+     * @return
+     */
+    int getActiveConnectionsNo();
+
+    /**
+     * Determines wether a MQTT client is connected to the broker.
+     *
+     * @param clientID
+     * @return
+     */
+    boolean isConnected(String clientID);
+
+    /**
+     * Returns the identifiers of the MQTT clients that are connected to the broker.
+     *
+     * @return
+     */
+    Collection<String> getConnectedClientIds();
+
+    /**
+     * Closes a physical connection.
+     *
+     * @param clientID
+     * @param closeImmediately
+     *            If false, the connection will be flushed before it is closed.
+     * @return
+     */
+    boolean closeConnection(String clientID, boolean closeImmediately);
+
+    /**
+     * Returns the state of the session of a given client.
+     *
+     * @param clientID
+     * @return
+     */
+    MqttSession getSessionStatus(String clientID);
+
+    /**
+     * Returns the state of all the sessions
+     *
+     * @return
+     */
+    Collection<MqttSession> getSessions();
+}

broker/src/main/java/io/moquette/connections/MqttConnectionMetrics.java

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+/*
+ * Copyright (c) 2012-2017 The original author or authors
+ * ------------------------------------------------------
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Apache License v2.0 which accompanies this distribution.
+ *
+ * The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * The Apache License v2.0 is available at
+ * http://www.opensource.org/licenses/apache2.0.php
+ *
+ * You may elect to redistribute this code under either of these licenses.
+ */
+
+package io.moquette.connections;
+
+/**
+ * A class that represents the metrics of a given MQTT connection.
+ */
+public class MqttConnectionMetrics {
+
+    private long readKb;
+    private long writtenKb;
+    private long readMessages;
+    private long writtenMessages;
+
+    public MqttConnectionMetrics(long readBytes, long writtenBytes, long readMessages, long writtenMessages) {
+        this.readKb = readBytes / 1024;
+        this.writtenKb = writtenBytes / 1024;
+        this.readMessages = readMessages;
+        this.writtenMessages = writtenMessages;
+    }
+
+    public long getReadKb() {
+        return readKb;
+    }
+
+    public long getWrittenKb() {
+        return writtenKb;
+    }
+
+    public long getReadMessages() {
+        return readMessages;
+    }
+
+    public long getWrittenMessages() {
+        return writtenMessages;
+    }
+
+}

broker/src/main/java/io/moquette/connections/MqttSession.java

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+/*
+ * Copyright (c) 2012-2017 The original author or authors
+ * ------------------------------------------------------
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Apache License v2.0 which accompanies this distribution.
+ *
+ * The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * The Apache License v2.0 is available at
+ * http://www.opensource.org/licenses/apache2.0.php
+ *
+ * You may elect to redistribute this code under either of these licenses.
+ */
+
+package io.moquette.connections;
+
+import java.util.Collection;
+
+/**
+ * A class that represents the overall connection status of a MQTT session. Its instances will be
+ * used by an external codebase when the broker is configured in embedded mode.
+ */
+public class MqttSession {
+
+    private boolean connectionEstablished;
+    private boolean cleanSession;
+    private int inflightMessages;
+    private int pendingPublishMessagesNo;
+    private int secondPhaseAckPendingMessages;
+    private MqttConnectionMetrics connectionMetrics;
+
+    public boolean isConnectionEstablished() {
+        return connectionEstablished;
+    }
+
+    public void setConnectionEstablished(boolean connectionEstablished) {
+        this.connectionEstablished = connectionEstablished;
+    }
+
+    public boolean isCleanSession() {
+        return cleanSession;
+    }
+
+    public void setCleanSession(boolean cleanSession) {
+        this.cleanSession = cleanSession;
+    }
+
+    public int getPendingPublishMessagesNo() {
+        return pendingPublishMessagesNo;
+    }
+
+    public void setPendingPublishMessagesNo(int pendingPublishMessagesNo) {
+        this.pendingPublishMessagesNo = pendingPublishMessagesNo;
+    }
+
+    public int getInflightMessages() {
+        return inflightMessages;
+    }
+
+    public void setInflightMessages(int inflightMessages) {
+        this.inflightMessages = inflightMessages;
+    }
+
+    public int getSecondPhaseAckPendingMessages() {
+        return secondPhaseAckPendingMessages;
+    }
+
+    public void setSecondPhaseAckPendingMessages(int secondPhaseAckPendingMessages) {
+        this.secondPhaseAckPendingMessages = secondPhaseAckPendingMessages;
+    }
+
+    public MqttConnectionMetrics getConnectionMetrics() {
+        return connectionMetrics;
+    }
+
+    public void setConnectionMetrics(MqttConnectionMetrics connectionMetrics) {
+        this.connectionMetrics = connectionMetrics;
+    }
+
+}