refactor code and service separation for MOAS support
Change-Id: Id00a59a46a30d3a8c976611e637c28fe609c9842
diff --git a/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/RipeMonitors.java b/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/RipeMonitors.java
new file mode 100644
index 0000000..e848875
--- /dev/null
+++ b/apps/artemis/src/main/java/org/onosproject/artemis/impl/monitors/RipeMonitors.java
@@ -0,0 +1,184 @@
+/*
+ * Copyright 2017-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.onosproject.artemis.impl.monitors;
+
+import io.socket.client.IO;
+import io.socket.client.Socket;
+import org.apache.commons.lang.exception.ExceptionUtils;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.onlab.packet.IpPrefix;
+import org.onosproject.artemis.ArtemisPacketProcessor;
+import org.onosproject.artemis.Monitors;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.URISyntaxException;
+import java.util.Objects;
+
+/**
+ * Implementation of RIPE Route Collector Monitors.
+ */
+public class RipeMonitors implements Monitors {
+ private final Logger log = LoggerFactory.getLogger(getClass());
+ private String host;
+ private Socket socket;
+ private IpPrefix prefix;
+ private ArtemisPacketProcessor packetProcessor;
+
+ public RipeMonitors(IpPrefix prefix, String host, ArtemisPacketProcessor packetProcessor) {
+ this.prefix = prefix;
+ this.host = host;
+ this.packetProcessor = packetProcessor;
+ }
+
+ /**
+ * socket.io onConnect event handler.
+ */
+ private void onConnect() {
+ try {
+ socket.emit("ping");
+
+ JSONObject parameters = new JSONObject();
+ parameters.put("origin", (Object) null);
+ parameters.put("type", (Object) null);
+ parameters.put("moreSpecific", true);
+ parameters.put("lessSpecific", false);
+ parameters.put("peer", (Object) null);
+ parameters.put("host", this.host);
+ parameters.put("prefix", this.prefix);
+
+ socket.emit("ris_subscribe", parameters);
+ } catch (JSONException e) {
+ e.printStackTrace();
+ }
+ }
+
+ @Override
+ public IpPrefix getPrefix() {
+ return prefix;
+ }
+
+ @Override
+ public void setPrefix(IpPrefix prefix) {
+ this.prefix = prefix;
+ }
+
+ /**
+ * socket.io onRisMessage event handler.
+ * This event is custom made that triggers when it receives an BGP update/withdraw for our prefix.
+ *
+ * @param args RIS message
+ */
+ private void onRisMessage(Object[] args) {
+ try {
+ JSONObject message = (JSONObject) args[0];
+ if (message.getString("type").equals("A")) {
+ // Example of BGP Update message:
+ // {
+ // "timestamp":1488044022.97,
+ // "prefix":"101.1.46.0/24",
+ // "host":"rrc21",
+ // "next_hop":"37.49.236.246",
+ // "peer":"37.49.236.246",
+ // "path":[2613,25091,9318,9524],
+ // "type":"A"
+ // }
+
+ // We want to keep only prefix and path in memory.
+ message.remove("community");
+ message.remove("timestamp");
+ message.remove("next_hop");
+ message.remove("peer");
+ message.remove("type");
+ message.remove("host");
+
+ // Append synchronized message to message list in memory.
+ packetProcessor.processMonitorPacket(message);
+ }
+ } catch (JSONException e) {
+ log.error(ExceptionUtils.getFullStackTrace(e));
+ e.printStackTrace();
+ }
+ socket.emit("ping");
+ }
+
+ @Override
+ public void startMonitor() {
+ if (!isRunning()) {
+ log.info("Starting RIPE monitor for " + prefix + " / " + host);
+ IO.Options opts = new IO.Options();
+ opts.path = "/stream/socket.io/";
+
+ try {
+ this.socket = IO.socket("http://stream-dev.ris.ripe.net/", opts);
+ this.socket.on(Socket.EVENT_CONNECT, args -> onConnect());
+ this.socket.on(Socket.EVENT_PONG, args -> socket.emit("ping"));
+ this.socket.on("ris_message", this::onRisMessage);
+ } catch (URISyntaxException e) {
+ log.error(ExceptionUtils.getFullStackTrace(e));
+ e.printStackTrace();
+ }
+
+ this.socket.connect();
+ }
+ }
+
+ @Override
+ public void stopMonitor() {
+ if (isRunning()) {
+ log.info("Stopping RIPE monitor for " + prefix + " / " + host);
+ this.socket.off();
+ this.socket.disconnect();
+ this.socket.close();
+ this.socket = null;
+ }
+ }
+
+ @Override
+ public boolean isRunning() {
+ return this.socket != null;
+ }
+
+ @Override
+ public String getHost() {
+ return host;
+ }
+
+ @Override
+ public void setHost(String host) {
+ this.host = host;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(prefix, host);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof RipeMonitors) {
+ final RipeMonitors that = (RipeMonitors) obj;
+ return Objects.equals(this.prefix, that.prefix) &&
+ Objects.equals(this.host, that.host);
+ }
+ return false;
+ }
+
+}