+++ /dev/null
-
-/*
- * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-
-package org.opendaylight.controller.protocol_plugin.openflow.core.internal;
-
-import java.util.List;
-import java.util.concurrent.Callable;
-import java.util.concurrent.CopyOnWriteArrayList;
-import java.util.concurrent.CountDownLatch;
-
-import org.opendaylight.controller.protocol_plugin.openflow.core.ISwitch;
-import org.openflow.protocol.OFError;
-import org.openflow.protocol.OFStatisticsReply;
-import org.openflow.protocol.OFStatisticsRequest;
-import org.openflow.protocol.statistics.OFStatistics;
-
-public class StatisticsCollector implements Callable<Object> {
-
- private ISwitch sw;
- private Integer xid;
- private OFStatisticsRequest request;
- private CountDownLatch latch;
- private Object result;
- private List<OFStatistics> stats;
-
- public StatisticsCollector(ISwitch sw, int xid, OFStatisticsRequest request) {
- this.sw = sw;
- this.xid = xid;
- this.request = request;
- latch = new CountDownLatch(1);
- result = new Object();
- stats = new CopyOnWriteArrayList<OFStatistics>();
- }
-
- /*
- * accumulate the stats records in result
- * Returns: true: if this is the last record
- * false: more to come
- */
- public boolean collect(OFStatisticsReply reply) {
- synchronized (result) {
- stats.addAll(reply.getStatistics());
- if ((reply.getFlags() & 0x01) == 0) {
- // all stats are collected, done
- result = stats;
- return true;
- } else {
- // still waiting for more to come
- return false;
- }
- }
- }
-
- @Override
- public Object call() throws Exception {
- sw.asyncSend(request, xid);
- // free up the request as it is no longer needed
- request = null;
- // wait until all stats replies are received or timeout
- latch.await();
- return result;
- }
-
- public Integer getXid() {
- return this.xid;
- }
-
- public void wakeup() {
- this.latch.countDown();
- }
-
- public void wakeup(OFError errorMsg) {
-
- }
-}