1 files changed, 188 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/pcep/ctl/src/main/java/org/onosproject/pcep/controller/impl/Controller.java b/framework/src/onos/protocols/pcep/ctl/src/main/java/org/onosproject/pcep/controller/impl/Controller.java
new file mode 100644
index 00000000..9c27810c
--- /dev/null
+++ b/framework/src/onos/protocols/pcep/ctl/src/main/java/org/onosproject/pcep/controller/impl/Controller.java
@@ -0,0 +1,188 @@
+/*
+ * 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.pcep.controller.impl;
+
+import static org.onlab.util.Tools.groupedThreads;
+
+import java.lang.management.ManagementFactory;
+import java.lang.management.RuntimeMXBean;
+import java.net.InetSocketAddress;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.Executors;
+
+import org.jboss.netty.bootstrap.ServerBootstrap;
+import org.jboss.netty.channel.ChannelPipelineFactory;
+import org.jboss.netty.channel.group.ChannelGroup;
+import org.jboss.netty.channel.group.DefaultChannelGroup;
+import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
+import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcep.controller.PcepPacketStats;
+import org.onosproject.pcep.controller.driver.PcepAgent;
+import org.onosproject.pcep.controller.driver.PcepClientDriver;
+import org.onosproject.pcepio.protocol.PcepFactories;
+import org.onosproject.pcepio.protocol.PcepFactory;
+import org.onosproject.pcepio.protocol.PcepVersion;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * The main controller class. Handles all setup and network listeners -
+ * Distributed ownership control of pcc through IControllerRegistryService
+ */
+public class Controller {
+
+    private static final Logger log = LoggerFactory.getLogger(Controller.class);
+
+    private static final PcepFactory FACTORY1 = PcepFactories.getFactory(PcepVersion.PCEP_1);
+
+    private ChannelGroup cg;
+
+    // Configuration options
+    private int pcepPort = 4189;
+    private int workerThreads = 10;
+
+    // Start time of the controller
+    private long systemStartTime;
+
+    private PcepAgent agent;
+
+    private NioServerSocketChannelFactory execFactory;
+
+    // Perf. related configuration
+    private static final int SEND_BUFFER_SIZE = 4 * 1024 * 1024;
+
+    /**
+     * Returns factory version for processing pcep messages.
+     *
+     * @return instance of factory version
+     */
+    public PcepFactory getPcepMessageFactory1() {
+        return FACTORY1;
+    }
+
+    /**
+     * To get system start time.
+     *
+     * @return system start time in milliseconds
+     */
+    public long getSystemStartTime() {
+        return (this.systemStartTime);
+    }
+
+    /**
+     * Tell controller that we're ready to accept pcc connections.
+     */
+    public void run() {
+        try {
+            final ServerBootstrap bootstrap = createServerBootStrap();
+
+            bootstrap.setOption("reuseAddr", true);
+            bootstrap.setOption("child.keepAlive", true);
+            bootstrap.setOption("child.tcpNoDelay", true);
+            bootstrap.setOption("child.sendBufferSize", Controller.SEND_BUFFER_SIZE);
+
+            ChannelPipelineFactory pfact = new PcepPipelineFactory(this);
+
+            bootstrap.setPipelineFactory(pfact);
+            InetSocketAddress sa = new InetSocketAddress(pcepPort);
+            cg = new DefaultChannelGroup();
+            cg.add(bootstrap.bind(sa));
+            log.info("Listening for PCC connection on {}", sa);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     * Creates server boot strap.
+     *
+     * @return ServerBootStrap
+     */
+    private ServerBootstrap createServerBootStrap() {
+        if (workerThreads == 0) {
+            execFactory = new NioServerSocketChannelFactory(
+                    Executors.newCachedThreadPool(groupedThreads("onos/pcep", "boss-%d")),
+                    Executors.newCachedThreadPool(groupedThreads("onos/pcep", "worker-%d")));
+            return new ServerBootstrap(execFactory);
+        } else {
+            execFactory = new NioServerSocketChannelFactory(
+                    Executors.newCachedThreadPool(groupedThreads("onos/pcep", "boss-%d")),
+                    Executors.newCachedThreadPool(groupedThreads("onos/pcep", "worker-%d")), workerThreads);
+            return new ServerBootstrap(execFactory);
+        }
+    }
+
+    /**
+     * Initialize internal data structures.
+     */
+    public void init() {
+        // These data structures are initialized here because other
+        // module's startUp() might be called before ours
+        this.systemStartTime = System.currentTimeMillis();
+    }
+
+    public Map<String, Long> getMemory() {
+        Map<String, Long> m = new HashMap<>();
+        Runtime runtime = Runtime.getRuntime();
+        m.put("total", runtime.totalMemory());
+        m.put("free", runtime.freeMemory());
+        return m;
+    }
+
+    public Long getUptime() {
+        RuntimeMXBean rb = ManagementFactory.getRuntimeMXBean();
+        return rb.getUptime();
+    }
+
+    /**
+     * Creates instance of Pcep client.
+     *
+     * @param pccId pcc identifier
+     * @param sessionID session id
+     * @param pv pcep version
+     * @param pktStats pcep packet statistics
+     * @return instance of PcepClient
+     */
+    protected PcepClientDriver getPcepClientInstance(PccId pccId, int sessionID, PcepVersion pv,
+            PcepPacketStats pktStats) {
+        PcepClientDriver pcepClientDriver = new PcepClientImpl();
+        pcepClientDriver.init(pccId, pv, pktStats);
+        pcepClientDriver.setAgent(agent);
+        return pcepClientDriver;
+    }
+
+    /**
+     * Starts the pcep controller.
+     *
+     * @param ag Pcep agent
+     */
+    public void start(PcepAgent ag) {
+        log.info("Started");
+        this.agent = ag;
+        this.init();
+        this.run();
+    }
+
+    /**
+     * Stops the pcep controller.
+     */
+    public void stop() {
+        log.info("Stopped");
+        execFactory.shutdown();
+        cg.close();
+    }
+}