1 files changed, 97 insertions, 0 deletions
diff --git a/solr-8.3.1/server/solr-webapp/webapp/js/angular/controllers/index.js b/solr-8.3.1/server/solr-webapp/webapp/js/angular/controllers/index.js
new file mode 100644
index 000000000..f7ce5a8d2
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+++ b/solr-8.3.1/server/solr-webapp/webapp/js/angular/controllers/index.js
@@ -0,0 +1,97 @@
+/*
+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.
+*/
+
+solrAdminApp.controller('IndexController', function($scope, System, Cores, Constants) {
+  $scope.resetMenu("index", Constants.IS_ROOT_PAGE);
+  $scope.reload = function() {
+    System.get(function(data) {
+      $scope.system = data;
+
+      // load average
+      var load_average = ( data.system.uptime || '' ).match( /load averages?: (\d+[.,]\d\d),? (\d+[.,]\d\d),? (\d+[.,]\d\d)/ );
+      if (load_average) {
+        for (var i=0;i<2;i++) {
+          load_average[i]=load_average[i].replace(",","."); // for European users
+        }
+        $scope.load_average = load_average.slice(1);
+      }
+
+      // physical memory
+      var memoryMax = parse_memory_value(data.system.totalPhysicalMemorySize);
+      $scope.memoryTotal = parse_memory_value(data.system.totalPhysicalMemorySize - data.system.freePhysicalMemorySize);
+      $scope.memoryPercentage = ($scope.memoryTotal / memoryMax * 100).toFixed(1)+ "%";
+      $scope.memoryMax = pretty_print_bytes(memoryMax);
+      $scope.memoryTotalDisplay = pretty_print_bytes($scope.memoryTotal);
+
+      // swap space
+      var swapMax = parse_memory_value(data.system.totalSwapSpaceSize);
+      $scope.swapTotal = parse_memory_value(data.system.totalSwapSpaceSize - data.system.freeSwapSpaceSize);
+      $scope.swapPercentage = ($scope.swapTotal / swapMax * 100).toFixed(1)+ "%";
+      $scope.swapMax = pretty_print_bytes(swapMax);
+      $scope.swapTotalDisplay = pretty_print_bytes($scope.swapTotal);
+
+      // file handles
+      $scope.fileDescriptorPercentage = (data.system.openFileDescriptorCount / data.system.maxFileDescriptorCount *100).toFixed(1) + "%";
+
+      // java memory
+      var javaMemoryMax = parse_memory_value(data.jvm.memory.raw.max || data.jvm.memory.max);
+      $scope.javaMemoryTotal = parse_memory_value(data.jvm.memory.raw.total || data.jvm.memory.total);
+      $scope.javaMemoryUsed = parse_memory_value(data.jvm.memory.raw.used || data.jvm.memory.used);
+      $scope.javaMemoryTotalPercentage = ($scope.javaMemoryTotal / javaMemoryMax *100).toFixed(1) + "%";
+      $scope.javaMemoryUsedPercentage = ($scope.javaMemoryUsed / $scope.javaMemoryTotal *100).toFixed(1) + "%";
+      $scope.javaMemoryPercentage = ($scope.javaMemoryUsed / javaMemoryMax * 100).toFixed(1) + "%";
+      $scope.javaMemoryTotalDisplay = pretty_print_bytes($scope.javaMemoryTotal);
+      $scope.javaMemoryUsedDisplay = pretty_print_bytes($scope.javaMemoryUsed);  // @todo These should really be an AngularJS Filter: {{ javaMemoryUsed | bytes }}
+      $scope.javaMemoryMax = pretty_print_bytes(javaMemoryMax);
+
+      // no info bar:
+      $scope.noInfo = !(
+        data.system.totalPhysicalMemorySize && data.system.freePhysicalMemorySize &&
+        data.system.totalSwapSpaceSize && data.system.freeSwapSpaceSize &&
+        data.system.openFileDescriptorCount && data.system.maxFileDescriptorCount);
+
+      // command line args:
+      $scope.commandLineArgs = data.jvm.jmx.commandLineArgs.sort();
+    });
+  };
+  $scope.reload();
+});
+
+var parse_memory_value = function( value ) {
+  if( value !== Number( value ) )
+  {
+    var units = 'BKMGTPEZY';
+    var match = value.match( /^(\d+([,\.]\d+)?) (\w).*$/ );
+    var value = parseFloat( match[1] ) * Math.pow( 1024, units.indexOf( match[3].toUpperCase() ) );
+  }
+
+  return value;
+};
+
+var pretty_print_bytes = function(byte_value) {
+  var unit = null;
+
+  byte_value /= 1024;
+  byte_value /= 1024;
+  unit = 'MB';
+
+  if( 1024 <= byte_value ) {
+    byte_value /= 1024;
+    unit = 'GB';
+  }
+  return byte_value.toFixed( 2 ) + ' ' + unit;
+};