diff options
author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
commit | 13d05bc8458758ee39cb829098241e89616717ee (patch) | |
tree | 22a4d1ce65f15952f07a3df5af4b462b4697cb3a /framework/src/onos/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/PortStatsCollector.java | |
parent | 6139282e1e93c2322076de4b91b1c85d0bc4a8b3 (diff) |
ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60
Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd
Diffstat (limited to 'framework/src/onos/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/PortStatsCollector.java')
-rw-r--r-- | framework/src/onos/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/PortStatsCollector.java | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/framework/src/onos/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/PortStatsCollector.java b/framework/src/onos/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/PortStatsCollector.java new file mode 100644 index 00000000..8383fa3f --- /dev/null +++ b/framework/src/onos/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/PortStatsCollector.java @@ -0,0 +1,113 @@ +/* + * 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.provider.of.device.impl; + +import org.jboss.netty.util.HashedWheelTimer; +import org.jboss.netty.util.Timeout; +import org.jboss.netty.util.TimerTask; +import org.onlab.util.Timer; +import org.onosproject.openflow.controller.OpenFlowSwitch; +import org.onosproject.openflow.controller.RoleState; +import org.projectfloodlight.openflow.protocol.OFPortStatsRequest; +import org.projectfloodlight.openflow.types.OFPort; +import org.slf4j.Logger; + +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicLong; + +import static org.slf4j.LoggerFactory.getLogger; + +/* + * Sends Group Stats Request and collect the group statistics with a time interval. + */ +public class PortStatsCollector implements TimerTask { + + // TODO: Refactoring is required using ScheduledExecutorService + + private final HashedWheelTimer timer = Timer.getTimer(); + private final OpenFlowSwitch sw; + private final Logger log = getLogger(getClass()); + private int refreshInterval; + private final AtomicLong xidAtomic = new AtomicLong(1); + + private Timeout timeout; + private volatile boolean stopped; + + /** + * Creates a GroupStatsCollector object. + * + * @param sw Open Flow switch + * @param interval time interval for collecting group statistic + */ + public PortStatsCollector(OpenFlowSwitch sw, int interval) { + this.sw = sw; + this.refreshInterval = interval; + } + + @Override + public void run(Timeout to) throws Exception { + if (stopped || timeout.isCancelled()) { + return; + } + log.trace("Collecting stats for {}", sw.getStringId()); + + sendPortStatistic(); + + if (!stopped && !timeout.isCancelled()) { + log.trace("Scheduling stats collection in {} seconds for {}", + this.refreshInterval, this.sw.getStringId()); + timeout.getTimer().newTimeout(this, refreshInterval, TimeUnit.SECONDS); + } + } + + synchronized void adjustPollInterval(int pollInterval) { + this.refreshInterval = pollInterval; + // task.cancel(); + // task = new InternalTimerTask(); + // timer.scheduleAtFixedRate(task, pollInterval * SECONDS, pollInterval * 1000); + } + + private void sendPortStatistic() { + if (sw.getRole() != RoleState.MASTER) { + return; + } + Long statsXid = xidAtomic.getAndIncrement(); + OFPortStatsRequest statsRequest = sw.factory().buildPortStatsRequest() + .setPortNo(OFPort.ANY) + .setXid(statsXid) + .build(); + sw.sendMsg(statsRequest); + } + + /** + * Starts the collector. + */ + public synchronized void start() { + log.info("Starting Port Stats collection thread for {}", sw.getStringId()); + stopped = false; + timeout = timer.newTimeout(this, 1, TimeUnit.SECONDS); + } + + /** + * Stops the collector. + */ + public synchronized void stop() { + log.info("Stopping Port Stats collection thread for {}", sw.getStringId()); + stopped = true; + timeout.cancel(); + } +} |