Moved ProxyArp, SDN-IP and BgpRouter to use new config format.

The new config format is based on the new network configuration subsystem.

Includes a few config fixes to NetworkConfigLoader and InterfaceManager.

Change-Id: Id7f766736decb7afb6b63c2731d3baba9fc7c764
diff --git a/apps/routing-api/src/main/java/org/onosproject/routing/config/BgpConfig.java b/apps/routing-api/src/main/java/org/onosproject/routing/config/BgpConfig.java
new file mode 100644
index 0000000..54e2e0e
--- /dev/null
+++ b/apps/routing-api/src/main/java/org/onosproject/routing/config/BgpConfig.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.routing.config;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.google.common.collect.Sets;
+import org.onlab.packet.IpAddress;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.config.Config;
+import org.onosproject.net.ConnectPoint;
+
+import java.util.Set;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Configuration object for BGP config.
+ */
+public class BgpConfig extends Config<ApplicationId> {
+
+    public static final String SPEAKERS = "bgpSpeakers";
+    public static final String CONNECT_POINT = "connectPoint";
+    public static final String PEERS = "peers";
+
+    // TODO add methods for updating config
+
+    /**
+     * Gets the set of configured BGP speakers.
+     *
+     * @return BGP speakers
+     */
+    public Set<BgpSpeakerConfig> bgpSpeakers() {
+        Set<BgpSpeakerConfig> speakers = Sets.newHashSet();
+
+        JsonNode speakersNode = node.get(SPEAKERS);
+        speakersNode.forEach(jsonNode -> {
+            Set<IpAddress> listenAddresses = Sets.newHashSet();
+            jsonNode.path(PEERS).forEach(addressNode ->
+                    listenAddresses.add(IpAddress.valueOf(addressNode.asText()))
+            );
+            speakers.add(new BgpSpeakerConfig(
+                    ConnectPoint.deviceConnectPoint(jsonNode.path(CONNECT_POINT).asText()),
+                    listenAddresses));
+        });
+
+        return speakers;
+    }
+
+    /**
+     * Configuration for a BGP speaker.
+     */
+    public static class BgpSpeakerConfig {
+
+        private ConnectPoint connectPoint;
+        private Set<IpAddress> peers;
+
+        public BgpSpeakerConfig(ConnectPoint connectPoint, Set<IpAddress> peers) {
+            this.connectPoint = checkNotNull(connectPoint);
+            this.peers = checkNotNull(peers);
+        }
+
+        public ConnectPoint connectPoint() {
+            return connectPoint;
+        }
+
+        public Set<IpAddress> peers() {
+            return peers;
+        }
+    }
+}