ONOSFW-171

O/S-SFC-ONOS scenario documentation

Change-Id: I51ae1cf736ea24ab6680f8edca1b2bf5dd598365
Signed-off-by: CNlucius <lukai1@huawei.com>

1 files changed, 0 insertions, 134 deletions

diff --git a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/MeteringAgent.java b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/MeteringAgent.java
deleted file mode 100644
index 6475bf7b..00000000
--- a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/MeteringAgent.java
+++ /dev/null
@@ -1,134 +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.store.consistent.impl;
-
-import com.codahale.metrics.Counter;
-import com.codahale.metrics.Timer;
-import com.google.common.collect.Maps;
-import org.onlab.metrics.MetricsComponent;
-import org.onlab.metrics.MetricsFeature;
-import org.onlab.metrics.MetricsService;
-import org.onlab.osgi.DefaultServiceDirectory;
-
-import java.util.Map;
-import java.util.concurrent.TimeUnit;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-/**
- * Agent that implements usage and performance monitoring via the metrics service.
- */
-public class MeteringAgent {
-
-    private Counter exceptionCounter;
-    private Counter perObjExceptionCounter;
-    private MetricsService metricsService;
-    private MetricsComponent metricsComponent;
-    private MetricsFeature metricsFeature;
-    private final Map<String, Timer> perObjOpTimers = Maps.newConcurrentMap();
-    private final Map<String, Timer> perOpTimers = Maps.newConcurrentMap();
-    private Timer perPrimitiveTimer;
-    private Timer perObjTimer;
-    private MetricsFeature wildcard;
-    private final boolean activated;
-    private Context nullTimer;
-
-    /**
-     * Constructs a new MeteringAgent for a given distributed primitive.
-     * Instantiates the metrics service
-     * Initializes all the general metrics for that object
-     *
-     * @param primitiveName Type of primitive to be metered
-     * @param objName Global name of the primitive
-     * @param activated boolean flag for whether metering is enabled or not
-     */
-    public MeteringAgent(String primitiveName, String objName, boolean activated) {
-        checkNotNull(objName, "Object name cannot be null");
-        this.activated = activated;
-        nullTimer = new Context(null, "");
-        if (this.activated) {
-            this.metricsService = DefaultServiceDirectory.getService(MetricsService.class);
-            this.metricsComponent = metricsService.registerComponent(primitiveName);
-            this.metricsFeature = metricsComponent.registerFeature(objName);
-            this.wildcard = metricsComponent.registerFeature("*");
-            this.perObjTimer = metricsService.createTimer(metricsComponent, metricsFeature, "*");
-            this.perPrimitiveTimer = metricsService.createTimer(metricsComponent, wildcard, "*");
-            this.perObjExceptionCounter = metricsService.createCounter(metricsComponent, metricsFeature, "exceptions");
-            this.exceptionCounter = metricsService.createCounter(metricsComponent, wildcard, "exceptions");
-        }
-    }
-
-    /**
-     * Initializes a specific timer for a given operation.
-     *
-     * @param op Specific operation being metered
-     * @return timer context
-     */
-    public Context startTimer(String op) {
-        if (!activated) {
-            return nullTimer;
-        }
-        // Check if timer exists, if it doesn't creates it
-        final Timer currTimer = perObjOpTimers.computeIfAbsent(op, timer ->
-                metricsService.createTimer(metricsComponent, metricsFeature, op));
-        perOpTimers.computeIfAbsent(op, timer -> metricsService.createTimer(metricsComponent, wildcard, op));
-        // Starts timer
-        return new Context(currTimer.time(), op);
-    }
-
-    /**
-     * Timer.Context with a specific operation.
-     */
-    public class Context {
-        private final Timer.Context context;
-        private final String operation;
-
-        /**
-         * Constructs Context.
-         *
-         * @param context context
-         * @param operation operation name
-         */
-        public Context(Timer.Context context, String operation) {
-            this.context = context;
-            this.operation = operation;
-        }
-
-        /**
-         * Stops timer given a specific context and updates all related metrics.
-         * @param e throwable
-         */
-        public void stop(Throwable e) {
-            if (!activated) {
-                return;
-            }
-            if (e == null) {
-                //Stop and updates timer with specific measurements per map, per operation
-                final long time = context.stop();
-                //updates timer with aggregated measurements per map
-                perOpTimers.get(operation).update(time, TimeUnit.NANOSECONDS);
-                //updates timer with aggregated measurements per map
-                perObjTimer.update(time, TimeUnit.NANOSECONDS);
-                //updates timer with aggregated measurements per all Consistent Maps
-                perPrimitiveTimer.update(time, TimeUnit.NANOSECONDS);
-            } else {
-                exceptionCounter.inc();
-                perObjExceptionCounter.inc();
-            }
-        }
-    }
-
-}