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RPCManager, plugin loader refactor (OpenTSDB#870)
* Refactored RPCManager, allowed for disabling the built-in UI or API via configuration options Fix OpenTSDB#830 * Pass mode in for tests * Added Logging to identify if UI and API are enabled * Added CLI Options to disable UI or API RPC endpoints * Missed a few lines with the new option
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| // This file is part of OpenTSDB. | ||
| // Copyright (C) 2013 The OpenTSDB Authors. | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify it | ||
| // under the terms of the GNU Lesser General Public License as published by | ||
| // the Free Software Foundation, either version 2.1 of the License, or (at your | ||
| // option) any later version. This program is distributed in the hope that it | ||
| // will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty | ||
| // of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser | ||
| // General Public License for more details. You should have received a copy | ||
| // of the GNU Lesser General Public License along with this program. If not, | ||
| // see <http://www.gnu.org/licenses/>. | ||
| package net.opentsdb.tsd; | ||
|
|
||
| import java.io.IOException; | ||
| import java.lang.reflect.Method; | ||
| import java.net.URI; | ||
| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.concurrent.atomic.AtomicReference; | ||
| import java.util.regex.Pattern; | ||
|
|
||
| import com.google.common.annotations.VisibleForTesting; | ||
| import com.google.common.base.Preconditions; | ||
| import com.google.common.base.Splitter; | ||
| import com.google.common.base.Strings; | ||
| import com.google.common.collect.ImmutableList; | ||
| import com.google.common.collect.ImmutableMap; | ||
| import com.google.common.collect.Lists; | ||
| import com.google.common.util.concurrent.Atomics; | ||
| import com.stumbleupon.async.Callback; | ||
| import com.stumbleupon.async.Deferred; | ||
|
|
||
| import org.jboss.netty.channel.Channel; | ||
| import org.jboss.netty.handler.codec.http.HttpMethod; | ||
| import org.jboss.netty.handler.codec.http.HttpResponseStatus; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import net.opentsdb.tools.BuildData; | ||
| import net.opentsdb.core.Aggregators; | ||
| import net.opentsdb.core.TSDB; | ||
| import net.opentsdb.query.filter.TagVFilter; | ||
| import net.opentsdb.stats.StatsCollector; | ||
| import net.opentsdb.utils.Config; | ||
| import net.opentsdb.utils.JSON; | ||
| import net.opentsdb.utils.PluginLoader; | ||
|
|
||
| import java.io.IOException; | ||
|
|
||
| /** The "dropcaches" command. */ | ||
| public final class DropCachesRpc implements TelnetRpc, HttpRpc { | ||
| private static final Logger LOG = LoggerFactory.getLogger(DropCachesRpc.class); | ||
|
|
||
| public Deferred<Object> execute(final TSDB tsdb, final Channel chan, | ||
| final String[] cmd) { | ||
| dropCaches(tsdb, chan); | ||
| chan.write("Caches dropped.\n"); | ||
| return Deferred.fromResult(null); | ||
| } | ||
|
|
||
| public void execute(final TSDB tsdb, final HttpQuery query) | ||
| throws IOException { | ||
|
|
||
| // only accept GET/DELETE | ||
| RpcUtil.allowedMethods(query.method(), HttpMethod.GET.getName(), HttpMethod.DELETE.getName()); | ||
|
|
||
| dropCaches(tsdb, query.channel()); | ||
|
|
||
| if (query.apiVersion() > 0) { | ||
| final HashMap<String, String> response = new HashMap<String, String>(); | ||
| response.put("status", "200"); | ||
| response.put("message", "Caches dropped"); | ||
| query.sendReply(query.serializer().formatDropCachesV1(response)); | ||
| } else { // deprecated API | ||
| query.sendReply("Caches dropped.\n"); | ||
| } | ||
| } | ||
|
|
||
| /** Drops in memory caches. */ | ||
| private void dropCaches(final TSDB tsdb, final Channel chan) { | ||
| LOG.warn(chan + " Dropping all in-memory caches."); | ||
| tsdb.dropCaches(); | ||
| } | ||
| } |
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