[SEBA-593] Splitting aaa app in implementation and api bundles

Change-Id: Ib81650be0695258bdd1f4cd6131f2206760e0da6
diff --git a/api/src/main/java/org/opencord/aaa/AaaConfig.java b/api/src/main/java/org/opencord/aaa/AaaConfig.java
new file mode 100644
index 0000000..3072ff5
--- /dev/null
+++ b/api/src/main/java/org/opencord/aaa/AaaConfig.java
@@ -0,0 +1,301 @@
+/*
+ * Copyright 2015-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.opencord.aaa;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import org.apache.commons.lang3.builder.ToStringBuilder;
+
+import com.google.common.collect.ImmutableSet;
+
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.config.Config;
+import org.onosproject.net.config.basics.BasicElementConfig;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Network config for the AAA app.
+ */
+public class AaaConfig extends Config<ApplicationId> {
+
+    private static final String RADIUS_HOST = "radiusHost";
+    private static final String RADIUS_IP = "radiusIp";
+    private static final String RADIUS_SERVER_PORT = "radiusServerPort";
+    private static final String RADIUS_MAC = "radiusMac";
+    private static final String NAS_IP = "nasIp";
+    private static final String NAS_MAC = "nasMac";
+    private static final String RADIUS_SECRET = "radiusSecret";
+    private static final String RADIUS_VLAN_ID = "vlanId";
+    private static final String RADIUS_VLAN_PRIORITY_BIT = "radiusPBit";
+    private static final String RADIUS_CONNECTION_TYPE =  "radiusConnectionType";
+    private static final String RADIUS_SERVER_CONNECTPOINTS = "radiusServerConnectPoints";
+    // Which packet customizer to use
+    // "packetCustomizer" : "sample" -- Means use SamplePAcketCustomizer
+    // "packetCustomizer" : "default" -- No customization of packets
+    // if param is missing it is treated as default
+    // This class should be a subclass of PacketCustomizer
+    private static final String PACKET_CUSTOMIZER = "packetCustomizer";
+
+    // RADIUS server IP address
+    protected static final String DEFAULT_RADIUS_IP = "10.128.10.4";
+
+    // RADIUS MAC address
+    public static final String DEFAULT_RADIUS_MAC = "00:00:00:00:01:10";
+
+    // NAS IP address
+    public static final String DEFAULT_NAS_IP = "10.128.9.244";
+
+    // NAS MAC address
+    public static final String DEFAULT_NAS_MAC = "00:00:00:00:10:01";
+
+    // RADIUS server shared secret
+    protected static final String DEFAULT_RADIUS_SECRET = "ONOSecret";
+
+    // Radius Server UDP Port Number
+    protected static final String DEFAULT_RADIUS_SERVER_PORT = "1812";
+
+    // Radius Server Vlan ID
+    protected static final String DEFAULT_RADIUS_VLAN_ID = "4093";
+
+    // Radius Sever P-Bit
+    protected static final String DEFAULT_RADIUS_VLAN_PRIORITY_BIT = "3";
+
+    // Whether to use socket or not to communicate with RADIUS Server
+    protected static final String DEFAULT_RADIUS_CONNECTION_TYPE = "socket";
+
+    // Packet Customizer Default value
+    protected static final String DEFAULT_PACKET_CUSTOMIZER = "default";
+
+
+    /**
+     * Gets the value of a string property, protecting for an empty
+     * JSON object.
+     *
+     * @param name name of the property
+     * @param defaultValue default value if none has been specified
+     * @return String value if one os found, default value otherwise
+     */
+    private String getStringProperty(String name, String defaultValue) {
+        if (object == null) {
+            return defaultValue;
+        }
+        return get(name, defaultValue);
+    }
+
+    /**
+     * Returns the NAS ip.
+     *
+     * @return ip address or null if not set
+     */
+    public InetAddress nasIp() {
+        try {
+            return InetAddress.getByName(getStringProperty(NAS_IP, DEFAULT_NAS_IP));
+        } catch (UnknownHostException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Sets the NAS ip.
+     *
+     * @param ip new ip address; null to clear
+     * @return self
+     */
+    public BasicElementConfig nasIp(String ip) {
+        return (BasicElementConfig) setOrClear(NAS_IP, ip);
+    }
+
+    public String radiusHostName() {
+        return getStringProperty(RADIUS_HOST, null);
+    }
+
+    /**
+     * Returns the RADIUS server ip.
+     *
+     * @return ip address or null if not set
+     */
+    public InetAddress radiusIp() {
+        try {
+            return InetAddress.getByName(getStringProperty(RADIUS_IP, DEFAULT_RADIUS_IP));
+        } catch (UnknownHostException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Sets the RADIUS server ip.
+     *
+     * @param ip new ip address; null to clear
+     * @return self
+     */
+    public BasicElementConfig radiusIp(String ip) {
+        return (BasicElementConfig) setOrClear(RADIUS_IP, ip);
+    }
+
+    /**
+     * Returns the RADIUS MAC address.
+     *
+     * @return mac address or null if not set
+     */
+    public String radiusMac() {
+        return getStringProperty(RADIUS_MAC, DEFAULT_RADIUS_MAC);
+    }
+
+    /**
+     * Sets the RADIUS MAC address.
+     *
+     * @param mac new MAC address; null to clear
+     * @return self
+     */
+    public BasicElementConfig radiusMac(String mac) {
+        return (BasicElementConfig) setOrClear(RADIUS_MAC, mac);
+    }
+
+    /**
+     * Returns the RADIUS MAC address.
+     *
+     * @return mac address or null if not set
+     */
+    public String nasMac() {
+        return getStringProperty(NAS_MAC, DEFAULT_NAS_MAC);
+    }
+
+    /**
+     * Sets the RADIUS MAC address.
+     *
+     * @param mac new MAC address; null to clear
+     * @return self
+     */
+    public BasicElementConfig nasMac(String mac) {
+        return (BasicElementConfig) setOrClear(NAS_MAC, mac);
+    }
+
+    /**
+     * Returns the RADIUS secret.
+     *
+     * @return radius secret or null if not set
+     */
+    public String radiusSecret() {
+        return getStringProperty(RADIUS_SECRET, DEFAULT_RADIUS_SECRET);
+    }
+
+    /**
+     * Sets the RADIUS secret.
+     *
+     * @param secret new MAC address; null to clear
+     * @return self
+     */
+    public BasicElementConfig radiusSecret(String secret) {
+        return (BasicElementConfig) setOrClear(RADIUS_SECRET, secret);
+    }
+
+    /**
+     * Returns the RADIUS server UDP port.
+     *
+     * @return radius server UDP port.
+     */
+    public short radiusServerUdpPort() {
+        return Short.parseShort(getStringProperty(RADIUS_SERVER_PORT,
+                                                  DEFAULT_RADIUS_SERVER_PORT));
+    }
+
+    /**
+     * Sets the RADIUS port.
+     *
+     * @param port new RADIUS UDP port; -1 to clear
+     * @return self
+     */
+    public BasicElementConfig radiusServerUdpPort(short port) {
+        return (BasicElementConfig) setOrClear(RADIUS_SERVER_PORT, (long) port);
+    }
+
+    /**
+     * Returns the RADIUS server vlan ID.
+     *
+     * @return Radius Server VLan id or default if not set
+     */
+    public short radiusServerVlanId() {
+        return Short.parseShort(getStringProperty(RADIUS_VLAN_ID, DEFAULT_RADIUS_VLAN_ID));
+    }
+
+    /**
+     * Returns the type of connection to use to communicate with the RADIUS Server.
+     *
+     * @return "socket" or "packet_out"
+     */
+    public String radiusConnectionType() {
+        return getStringProperty(RADIUS_CONNECTION_TYPE, DEFAULT_RADIUS_CONNECTION_TYPE);
+    }
+
+    /**
+     * Returns the RADIUS server p-bit.
+     *
+     * @return Radius Server P-bit to use, default if not set
+     */
+    public byte radiusServerPBit() {
+        return Byte.parseByte(getStringProperty(RADIUS_VLAN_PRIORITY_BIT, DEFAULT_RADIUS_VLAN_PRIORITY_BIT));
+    }
+
+    /**
+     * Returns the PACKET CUSTOMIZER CLASS NAME.
+     *
+     * @return PACKET CUSTOMIZER, default if not set
+     */
+    public String radiusPktCustomizer() {
+        return getStringProperty(PACKET_CUSTOMIZER, DEFAULT_PACKET_CUSTOMIZER);
+    }
+
+    /**
+     * Returns the List of ConnectPoints to reach the Radius Server.
+     *
+     * @return List of ConnectPoints
+     */
+    public Set<ConnectPoint> radiusServerConnectPoints() {
+        if (object == null) {
+            return new HashSet<ConnectPoint>();
+        }
+
+        if (!object.has(RADIUS_SERVER_CONNECTPOINTS)) {
+            return ImmutableSet.of();
+        }
+
+        ImmutableSet.Builder<ConnectPoint> builder = ImmutableSet.builder();
+        ArrayNode arrayNode = (ArrayNode) object.path(RADIUS_SERVER_CONNECTPOINTS);
+        for (JsonNode jsonNode : arrayNode) {
+            String portName = jsonNode.asText(null);
+            if (portName == null) {
+                return null;
+            }
+            try {
+                builder.add(ConnectPoint.deviceConnectPoint(portName));
+            } catch (IllegalArgumentException e) {
+                return null;
+            }
+        }
+        return builder.build();
+    }
+
+    @Override
+    public String toString() {
+        return ToStringBuilder.reflectionToString(this);
+    }
+}