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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you 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.elasticsearch.rest.action.admin.cluster.node.hotthreads;
import org.elasticsearch.action.admin.cluster.node.hotthreads.NodeHotThreads;
import org.elasticsearch.action.admin.cluster.node.hotthreads.NodesHotThreadsRequest;
import org.elasticsearch.action.admin.cluster.node.hotthreads.NodesHotThreadsResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.BytesRestResponse;
import org.elasticsearch.rest.RestChannel;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestResponse;
import org.elasticsearch.rest.RestStatus;
import org.elasticsearch.rest.action.support.RestResponseListener;
/**
*/
public class RestNodesHotThreadsAction extends BaseRestHandler {
@Inject
public RestNodesHotThreadsAction(Settings settings, RestController controller, Client client) {
super(settings, controller, client);
controller.registerHandler(RestRequest.Method.GET, "/_cluster/nodes/hotthreads", this);
controller.registerHandler(RestRequest.Method.GET, "/_cluster/nodes/hot_threads", this);
controller.registerHandler(RestRequest.Method.GET, "/_cluster/nodes/{nodeId}/hotthreads", this);
controller.registerHandler(RestRequest.Method.GET, "/_cluster/nodes/{nodeId}/hot_threads", this);
controller.registerHandler(RestRequest.Method.GET, "/_nodes/hotthreads", this);
controller.registerHandler(RestRequest.Method.GET, "/_nodes/hot_threads", this);
controller.registerHandler(RestRequest.Method.GET, "/_nodes/{nodeId}/hotthreads", this);
controller.registerHandler(RestRequest.Method.GET, "/_nodes/{nodeId}/hot_threads", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, final Client client) {
String[] nodesIds = Strings.splitStringByCommaToArray(request.param("nodeId"));
NodesHotThreadsRequest nodesHotThreadsRequest = new NodesHotThreadsRequest(nodesIds);
nodesHotThreadsRequest.threads(request.paramAsInt("threads", nodesHotThreadsRequest.threads()));
nodesHotThreadsRequest.ignoreIdleThreads(request.paramAsBoolean("ignore_idle_threads", nodesHotThreadsRequest.ignoreIdleThreads()));
nodesHotThreadsRequest.type(request.param("type", nodesHotThreadsRequest.type()));
nodesHotThreadsRequest.interval(TimeValue.parseTimeValue(request.param("interval"), nodesHotThreadsRequest.interval(), "interval"));
nodesHotThreadsRequest.snapshots(request.paramAsInt("snapshots", nodesHotThreadsRequest.snapshots()));
nodesHotThreadsRequest.timeout(request.param("timeout"));
client.admin().cluster().nodesHotThreads(nodesHotThreadsRequest, new RestResponseListener<NodesHotThreadsResponse>(channel) {
@Override
public RestResponse buildResponse(NodesHotThreadsResponse response) throws Exception {
StringBuilder sb = new StringBuilder();
for (NodeHotThreads node : response) {
sb.append("::: ").append(node.getNode().toString()).append("\n");
Strings.spaceify(3, node.getHotThreads(), sb);
sb.append('\n');
}
return new BytesRestResponse(RestStatus.OK, sb.toString());
}
});
}
}
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