[#ISSUE 205] Support query consumer's stack from dashboard

src/main/java/org/apache/rocketmq/dashboard/controller/ConsumerController.java

@@ -117,4 +117,11 @@ public class ConsumerController {
         @RequestParam boolean jstack) {
         return consumerService.getConsumerRunningInfo(consumerGroup, clientId, jstack);
     }
+
+    @RequestMapping(value = "/consumerStack.query")
+    @ResponseBody
+    public Object getConsumerStack(@RequestParam String consumerGroup, @RequestParam String clientId,
+                                   @RequestParam boolean jstack) {
+        return consumerService.getConsumerStack(consumerGroup, clientId, jstack);
+    }
 }

src/main/java/org/apache/rocketmq/dashboard/controller/OpsController.java

@@ -56,7 +56,6 @@ public class OpsController {
         opsService.addNameSvrAddr(newNamesrvAddr);
         return true;
     }
-
     @RequestMapping(value = "/updateIsVIPChannel.do", method = RequestMethod.POST)
     @ResponseBody
     public Object updateIsVIPChannel(@RequestParam String useVIPChannel) {

src/main/java/org/apache/rocketmq/dashboard/model/StackResult.java

@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF 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.apache.rocketmq.dashboard.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+
+import java.util.Map;
+
+@Builder
+@Data
+@AllArgsConstructor
+public class StackResult {
+
+    private Map<String, String> stackMap;
+}

src/main/java/org/apache/rocketmq/dashboard/service/ConsumerService.java

@@ -17,6 +17,7 @@
 
 package org.apache.rocketmq.dashboard.service;
 
+import org.apache.rocketmq.dashboard.model.StackResult;
 import org.apache.rocketmq.remoting.protocol.body.ConsumerConnection;
 import org.apache.rocketmq.remoting.protocol.body.ConsumerRunningInfo;
 import org.apache.rocketmq.dashboard.model.ConsumerGroupRollBackStat;
@@ -55,4 +56,6 @@ public interface ConsumerService {
     ConsumerConnection getConsumerConnection(String consumerGroup, String address);
 
     ConsumerRunningInfo getConsumerRunningInfo(String consumerGroup, String clientId, boolean jstack);
+
+    StackResult getConsumerStack(String consumerGroup, String clientId, boolean jstack);
 }

src/main/java/org/apache/rocketmq/dashboard/service/impl/ConsumerServiceImpl.java

@@ -18,11 +18,14 @@
 package org.apache.rocketmq.dashboard.service.impl;
 
 import com.google.common.base.Predicate;
+import com.google.common.base.Splitter;
 import com.google.common.base.Throwables;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
+import java.util.ArrayList;
+
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -42,10 +45,16 @@ import java.util.concurrent.atomic.AtomicLong;
 import java.util.stream.Collectors;
 import javax.annotation.Resource;
 import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.collections.MapUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.common.MQVersion;
 import org.apache.rocketmq.common.MixAll;
+import org.apache.rocketmq.dashboard.model.ConsumerGroupRollBackStat;
+import org.apache.rocketmq.dashboard.model.GroupConsumeInfo;
+import org.apache.rocketmq.dashboard.model.QueueStatInfo;
+import org.apache.rocketmq.dashboard.model.StackResult;
+import org.apache.rocketmq.dashboard.model.TopicConsumerInfo;
 import org.apache.rocketmq.dashboard.service.client.ProxyAdmin;
 import org.apache.rocketmq.remoting.protocol.admin.ConsumeStats;
 import org.apache.rocketmq.remoting.protocol.admin.RollbackStats;
@@ -61,10 +70,6 @@ import org.apache.rocketmq.remoting.protocol.route.BrokerData;
 import org.apache.rocketmq.remoting.protocol.subscription.SubscriptionGroupConfig;
 import org.apache.rocketmq.common.utils.ThreadUtils;
 import org.apache.rocketmq.dashboard.config.RMQConfigure;
-import org.apache.rocketmq.dashboard.model.ConsumerGroupRollBackStat;
-import org.apache.rocketmq.dashboard.model.GroupConsumeInfo;
-import org.apache.rocketmq.dashboard.model.QueueStatInfo;
-import org.apache.rocketmq.dashboard.model.TopicConsumerInfo;
 import org.apache.rocketmq.dashboard.model.request.ConsumerConfigInfo;
 import org.apache.rocketmq.dashboard.model.request.DeleteSubGroupRequest;
 import org.apache.rocketmq.dashboard.model.request.ResetOffsetRequest;
@@ -482,4 +487,59 @@ public class ConsumerServiceImpl extends AbstractCommonService implements Consum
             throw new RuntimeException(e);
         }
     }
+    @Override
+    public StackResult getConsumerStack(String consumerGroup, String clientId, boolean jstack) {
+        ConsumerRunningInfo consumerRunningInfo = getConsumerRunningInfo(consumerGroup, clientId, jstack);
+        Map<String, String> stackMap = new HashMap<>();
+        Map<String, List<String>> map = formatThreadStack(consumerRunningInfo.getJstack());
+        if (MapUtils.isNotEmpty(map)) {
+            Set<String> threads = map.keySet();
+            for (String thread : threads) {
+                StringBuilder result = new StringBuilder();
+                map.get(thread).forEach(s -> result.append(s).append("\n"));
+                stackMap.put(thread, result.toString());
+            }
+        }
+        return new StackResult(stackMap);
+    }
+
+    private Map<String, List<String>> formatThreadStack(String stack) {
+        Map<String, List<String>> threadStackMap = new HashMap<>();
+        List<String> stackList = Splitter.on("\n\n").splitToList(stack);
+        for (String threadStack : stackList) {
+            List<String> stacks = Splitter.on("\n").splitToList(threadStack);
+            if (CollectionUtils.isNotEmpty(stacks)) {
+                List<String> elements = new ArrayList<>();
+                String threadName = null;
+                for (String s : stacks) {
+                    List<String> stackItem = Splitter.on("  ")
+                            .omitEmptyStrings()
+                            .trimResults()
+                            .splitToList(s);
+                    if (stackItem.size() == 1) {
+                        String stackStr = stackItem.get(0);
+                        if (threadName == null) {
+                            int index = stackStr.indexOf("TID");
+                            if (index != -1) {
+                                threadName = stackStr.substring(0, index);
+                            }
+                        } else {
+                            elements.add(stackStr.substring(threadName.length(), stackStr.length()));
+                        }
+                    }
+                    if (stackItem.size() == 2) {
+                        if (threadName == null) {
+                            threadName = stackItem.get(0);
+                        }
+                        elements.add(stackItem.get(stackItem.size() - 1));
+                    }
+                }
+                if (threadName != null) {
+                    threadStackMap.put(threadName, elements);
+                }
+            }
+        }
+        return threadStackMap;
+    }
+
 }

src/main/resources/static/src/consumer.js

@@ -273,7 +273,7 @@ module.controller('consumerController', ['$scope', 'ngDialog', '$http', 'Notific
                 console.log(resp);
                 ngDialog.open({
                     template: 'clientInfoDialog',
-                    // controller: 'addTopicDialogController',
+                     controller: 'consumerStackDialogController',
                     data: {data: resp.data, consumerGroupName: consumerGroupName}
                 });
             } else {
@@ -422,3 +422,32 @@ module.controller('consumerTopicViewDialogController', ['$scope', 'ngDialog', '$
         };
     }]
 );
+
+module.controller('consumerStackDialogController', ['$scope', 'ngDialog', '$http', 'Notification', function ($scope, ngDialog, $http, Notification) {
+    $scope.consumerStack = function (consumerGroup, clientId, jstack) {
+        $http({
+            method: "GET",
+            url: "consumer/consumerStack.query",
+            params: {
+                consumerGroup: consumerGroup
+                ,
+                clientId: clientId,
+                jstack: jstack
+            }
+        }).success(function (resp) {
+            if (resp.status == 0) {
+                console.log(resp);
+                ngDialog.open({
+                    template: 'consumerStackDialog',
+                    data: {
+                        consumerStack: resp.data,
+                        clientId: clientId
+                    }
+                });
+            } else {
+                Notification.error({message: resp.errMsg, delay: 2000});
+            }
+        });
+    };
+    }]
+);

src/main/resources/static/src/i18n/en.js

@@ -134,4 +134,5 @@ var en = {
     "MESSAGE_TYPE_FIFO": "FIFO",
     "MESSAGE_TYPE_DELAY": "DELAY",
     "MESSAGE_TYPE_TRANSACTION": "TRANSACTION",
+    "STACK": "STACK"
 }

src/main/resources/static/src/i18n/zh.js

@@ -135,4 +135,5 @@ var zh = {
     "MESSAGE_TYPE_FIFO": "顺序消息",
     "MESSAGE_TYPE_DELAY": "定时/延时消息",
     "MESSAGE_TYPE_TRANSACTION": "事务消息",
+    "STACK": "堆栈"
 }

src/main/resources/static/view/pages/consumer.html

@@ -160,7 +160,7 @@
     <div class="modal-header">
         <h4 class="modal-title">[{{ngDialogData.consumerGroupName}}]{{'CLIENT'|translate}}</h4>
     </div>
-    <div class="modal-body ">
+    <div class="modal-body " style="overflow: auto">
         <form class="form-horizontal" novalidate>
             <table class="table table-bordered">
                 <tr>
@@ -168,12 +168,15 @@
                     <th class="text-center">ClientAddr</th>
                     <th class="text-center">Language</th>
                     <th class="text-center">Version</th>
+                    <th class="text-center">Operation</th>
                 </tr>
                 <tr ng-repeat="conn in ngDialogData.data.connectionSet">
                     <td class="text-center">{{conn.clientId}}</td>
                     <td class="text-center">{{conn.clientAddr}}</td>
                     <td class="text-center">{{conn.language}}</td>
                     <td class="text-center">{{conn.versionDesc}}</td>
+                    <td class="text-center"><a
+                            ng-click="consumerStack(ngDialogData.consumerGroupName, conn.clientId, true)">{{'STACK' | translate}}</a></td>
                 </tr>
             </table>
             <p>Below is subscription:</p>
@@ -562,3 +565,27 @@
         </div>
     </div>
 </script>
+
+<!--consumer stack-->
+<script type="text/ng-template" id="consumerStackDialog">
+    <div class="modal-dialog modal-lg">
+        <div class="modal-header">
+            <h4 class="modal-title">{{ngDialogData.clientId}}</h4>
+        </div>
+        <div class="modal-body ">
+            <div ng-repeat="(thread, stackItem) in ngDialogData.consumerStack.stackMap">
+                <p style="white-space: pre-line;">
+                    <label style="color: #0da6e3;">Thread: {{thread}}</label>
+                    {{stackItem}}
+                </p>
+            </div>
+        </div>
+        <div class="modal-footer">
+            <div class="ngdialog-buttons">
+                <button type="button" class="ngdialog-button ngdialog-button-secondary"
+                        ng-click="closeThisDialog('Cancel')">{{ 'CLOSE' | translate }}
+                </button>
+            </div>
+        </div>
+    </div>
+</script>