wildfire chat server source initial submit

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

@@ -0,0 +1,72 @@
+/*
+ * 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();
+}