diff options
Diffstat (limited to 'framework/src/onos/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/TableStatisticsCollector.java')
-rw-r--r-- | framework/src/onos/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/TableStatisticsCollector.java | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/framework/src/onos/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/TableStatisticsCollector.java b/framework/src/onos/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/TableStatisticsCollector.java deleted file mode 100644 index 922a470a..00000000 --- a/framework/src/onos/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/TableStatisticsCollector.java +++ /dev/null @@ -1,95 +0,0 @@ -/* - * 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.flow.impl; - -import org.onlab.util.SharedExecutors; -import org.onosproject.openflow.controller.OpenFlowSwitch; -import org.onosproject.openflow.controller.RoleState; -import org.projectfloodlight.openflow.protocol.OFTableStatsRequest; -import org.slf4j.Logger; - -import java.util.Timer; -import java.util.TimerTask; - -import static org.slf4j.LoggerFactory.getLogger; - -/** - * Collects Table statistics for the specified switch. - */ -class TableStatisticsCollector { - - private final Logger log = getLogger(getClass()); - - public static final int SECONDS = 1000; - - private final OpenFlowSwitch sw; - private Timer timer; - private TimerTask task; - - private int pollInterval; - - /** - * Creates a new table statistics collector for the given switch and poll frequency. - * - * @param timer timer to use for scheduling - * @param sw switch to pull - * @param pollInterval poll frequency in seconds - */ - TableStatisticsCollector(Timer timer, OpenFlowSwitch sw, int pollInterval) { - this.timer = timer; - this.sw = sw; - this.pollInterval = pollInterval; - } - - /** - * Adjusts poll frequency. - * - * @param pollInterval poll frequency in seconds - */ - synchronized void adjustPollInterval(int pollInterval) { - this.pollInterval = pollInterval; - task.cancel(); - task = new InternalTimerTask(); - timer.scheduleAtFixedRate(task, pollInterval * SECONDS, pollInterval * 1000); - } - - private class InternalTimerTask extends TimerTask { - @Override - public void run() { - if (sw.getRole() == RoleState.MASTER) { - log.trace("Collecting stats for {}", sw.getStringId()); - OFTableStatsRequest request = sw.factory().buildTableStatsRequest() - .build(); - sw.sendMsg(request); - } - } - } - - public synchronized void start() { - // Initially start polling quickly. Then drop down to configured value - log.debug("Starting Table Stats collection thread for {}", sw.getStringId()); - task = new InternalTimerTask(); - SharedExecutors.getTimer().scheduleAtFixedRate(task, 1 * SECONDS, - pollInterval * SECONDS); - } - - public synchronized void stop() { - log.debug("Stopping Table Stats collection thread for {}", sw.getStringId()); - task.cancel(); - task = null; - } - -} |