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com.vmware.xenon.common.ServiceStatUtils Maven / Gradle / Ivy
/*
* Copyright (c) 2014-2015 VMware, Inc. All Rights Reserved.
*
* 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 com.vmware.xenon.common;
import java.util.EnumSet;
import java.util.concurrent.TimeUnit;
import java.util.function.Supplier;
import com.vmware.xenon.common.Service.Action;
import com.vmware.xenon.common.Service.ServiceOption;
import com.vmware.xenon.common.ServiceStats.ServiceStat;
import com.vmware.xenon.common.ServiceStats.ServiceStatLogHistogram;
import com.vmware.xenon.common.ServiceStats.TimeSeriesStats;
import com.vmware.xenon.common.ServiceStats.TimeSeriesStats.AggregationType;
public final class ServiceStatUtils {
static final String GET_DURATION = Action.GET + Service.STAT_NAME_OPERATION_DURATION;
static final String POST_DURATION = Action.POST + Service.STAT_NAME_OPERATION_DURATION;
static final String PATCH_DURATION = Action.PATCH + Service.STAT_NAME_OPERATION_DURATION;
static final String PUT_DURATION = Action.PUT + Service.STAT_NAME_OPERATION_DURATION;
static final String DELETE_DURATION = Action.DELETE + Service.STAT_NAME_OPERATION_DURATION;
static final String OPTIONS_DURATION = Action.OPTIONS + Service.STAT_NAME_OPERATION_DURATION;
static final String GET_REQUEST_COUNT = Action.GET + Service.STAT_NAME_REQUEST_COUNT;
static final String POST_REQUEST_COUNT = Action.POST + Service.STAT_NAME_REQUEST_COUNT;
static final String PATCH_REQUEST_COUNT = Action.PATCH + Service.STAT_NAME_REQUEST_COUNT;
static final String PUT_REQUEST_COUNT = Action.PUT + Service.STAT_NAME_REQUEST_COUNT;
static final String DELETE_REQUEST_COUNT = Action.DELETE + Service.STAT_NAME_REQUEST_COUNT;
static final String OPTIONS_REQUEST_COUNT = Action.OPTIONS + Service.STAT_NAME_REQUEST_COUNT;
static final String GET_QLATENCY = Action.GET + Service.STAT_NAME_OPERATION_QUEUEING_LATENCY;
static final String POST_QLATENCY = Action.POST + Service.STAT_NAME_OPERATION_QUEUEING_LATENCY;
static final String PATCH_QLATENCY = Action.PATCH + Service.STAT_NAME_OPERATION_QUEUEING_LATENCY;
static final String PUT_QLATENCY = Action.PUT + Service.STAT_NAME_OPERATION_QUEUEING_LATENCY;
static final String DELETE_QLATENCY = Action.DELETE + Service.STAT_NAME_OPERATION_QUEUEING_LATENCY;
static final String OPTIONS_QLATENCY = Action.OPTIONS + Service.STAT_NAME_OPERATION_QUEUEING_LATENCY;
static final String GET_HANDLER_LATENCY = Action.GET + Service.STAT_NAME_SERVICE_HANDLER_LATENCY;
static final String POST_HANDLER_LATENCY = Action.POST + Service.STAT_NAME_SERVICE_HANDLER_LATENCY;
static final String PATCH_HANDLER_LATENCY = Action.PATCH + Service.STAT_NAME_SERVICE_HANDLER_LATENCY;
static final String PUT_HANDLER_LATENCY = Action.PUT + Service.STAT_NAME_SERVICE_HANDLER_LATENCY;
static final String DELETE_HANDLER_LATENCY = Action.DELETE + Service.STAT_NAME_SERVICE_HANDLER_LATENCY;
static final String OPTIONS_HANDLER_LATENCY = Action.OPTIONS + Service.STAT_NAME_SERVICE_HANDLER_LATENCY;
static final EnumSet AGGREGATION_TYPE_AVG_MAX =
EnumSet.of(AggregationType.AVG, AggregationType.MAX);
private ServiceStatUtils() {
}
public static ServiceStat getOrCreateHistogramStat(Service service, String name) {
return getOrCreateStat(service, name, true, null);
}
public static TimeSeriesStats createHourlyTimeSeriesStat(EnumSet aggregationTypes) {
return new TimeSeriesStats((int) TimeUnit.HOURS.toMinutes(1), TimeUnit.MINUTES.toMillis(1), aggregationTypes);
}
public static TimeSeriesStats createDailyTimeSeriesStat(EnumSet aggregationTypes) {
return new TimeSeriesStats((int) TimeUnit.DAYS.toHours(1), TimeUnit.HOURS.toMillis(1), aggregationTypes);
}
public static ServiceStat getOrCreateHourlyTimeSeriesStat(Service service, String prefix,
EnumSet aggregationTypes) {
String statName = prefix + ServiceStats.STAT_NAME_SUFFIX_PER_HOUR;
return getOrCreateStat(service, statName, false, () -> createHourlyTimeSeriesStat(aggregationTypes));
}
public static ServiceStat getOrCreateDailyTimeSeriesStat(Service service, String prefix,
EnumSet aggregationTypes) {
String statName = prefix + ServiceStats.STAT_NAME_SUFFIX_PER_DAY;
return getOrCreateStat(service, statName, false, () -> createDailyTimeSeriesStat(aggregationTypes));
}
public static ServiceStat getOrCreateHourlyTimeSeriesHistogramStat(Service service, String prefix,
EnumSet aggregationTypes) {
String statName = prefix + ServiceStats.STAT_NAME_SUFFIX_PER_HOUR;
return getOrCreateStat(service, statName, true, () -> createHourlyTimeSeriesStat(aggregationTypes));
}
public static ServiceStat getOrCreateDailyTimeSeriesHistogramStat(Service service, String prefix,
EnumSet aggregationTypes) {
String statName = prefix + ServiceStats.STAT_NAME_SUFFIX_PER_DAY;
return getOrCreateStat(service, statName, true, () -> createDailyTimeSeriesStat(aggregationTypes));
}
public static ServiceStat getOrCreateTimeSeriesStat(Service service, String name,
Supplier timeSeriesStatsSupplier) {
return getOrCreateStat(service, name, false, timeSeriesStatsSupplier);
}
static String getPerActionDurationName(Action a) {
switch (a) {
case GET:
return GET_DURATION;
case POST:
return POST_DURATION;
case PATCH:
return PATCH_DURATION;
case PUT:
return PUT_DURATION;
case DELETE:
return DELETE_DURATION;
case OPTIONS:
return OPTIONS_DURATION;
default:
throw new IllegalArgumentException("Unknown action " + a);
}
}
static String getPerActionRequestCountName(Action a) {
switch (a) {
case GET:
return GET_REQUEST_COUNT;
case POST:
return POST_REQUEST_COUNT;
case PATCH:
return PATCH_REQUEST_COUNT;
case PUT:
return PUT_REQUEST_COUNT;
case DELETE:
return DELETE_REQUEST_COUNT;
case OPTIONS:
return OPTIONS_REQUEST_COUNT;
default:
throw new IllegalArgumentException("Unknown action " + a);
}
}
static String getPerActionQueueLatencyName(Action a) {
switch (a) {
case GET:
return GET_QLATENCY;
case POST:
return POST_QLATENCY;
case PATCH:
return PATCH_QLATENCY;
case PUT:
return PUT_QLATENCY;
case DELETE:
return DELETE_QLATENCY;
case OPTIONS:
return OPTIONS_QLATENCY;
default:
throw new IllegalArgumentException("Unknown action " + a);
}
}
static String getPerActionServiceHandlerLatencyName(Action a) {
switch (a) {
case GET:
return GET_HANDLER_LATENCY;
case POST:
return POST_HANDLER_LATENCY;
case PATCH:
return PATCH_HANDLER_LATENCY;
case PUT:
return PUT_HANDLER_LATENCY;
case DELETE:
return DELETE_HANDLER_LATENCY;
case OPTIONS:
return OPTIONS_HANDLER_LATENCY;
default:
throw new IllegalArgumentException("Unknown action " + a);
}
}
private static ServiceStat getOrCreateStat(Service service, String name, boolean createHistogram,
Supplier timeSeriesStatsSupplier) {
if (!service.hasOption(ServiceOption.INSTRUMENTATION)) {
return null;
}
ServiceStat stat = service.getStat(name);
synchronized (stat) {
if (stat.logHistogram == null && createHistogram) {
stat.logHistogram = new ServiceStatLogHistogram();
}
if (stat.timeSeriesStats == null && timeSeriesStatsSupplier != null) {
stat.timeSeriesStats = timeSeriesStatsSupplier.get();
}
}
return stat;
}
}
