Add simple connection management capabilities to the broker. An external codebase will now be able to monitor and close the opened connections.

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

@@ -0,0 +1,58 @@
+package io.moquette.connections;
+
+import java.util.Collection;
+
+/**
+ * This interface will be used by an external codebase to retrieve and close
+ * physical connections.
+ * 
+ * @author lbarrios
+ *
+ */
+public interface IConnectionsManager {
+	/**
+	 * Returns the number of physical connections
+	 * 
+	 * @return
+	 */
+	public int getActiveConnectionsNo();
+
+	/**
+	 * Determines wether a MQTT client is connected to the broker.
+	 * 
+	 * @param clientID
+	 * @return
+	 */
+	public boolean isConnected(String clientID);
+
+	/**
+	 * Returns the identifiers of the MQTT clients that are connected to the
+	 * broker.
+	 * 
+	 * @return
+	 */
+	public Collection<String> getConnectedClientIds();
+
+	/**
+	 * Closes a physical connection.
+	 * 
+	 * @param clientID
+	 * @param closeImmediately
+	 *            If false, the connection will be flushed before it is closed.
+	 * @return
+	 */
+	public boolean closeConnection(String clientID, boolean closeImmediately);
+	
+	/**
+	 * Returns the state of the session of a given client.
+	 * @param clientID
+	 * @return
+	 */
+	public MqttSession getSessionStatus(String clientID);
+	
+	/**
+	 * Returns the state of all the sessions
+	 * @return
+	 */
+	public Collection<MqttSession> getSessions();
+}