feat

缩容

src/main/java/com/loadcenter/gateway/model/WorkGatewayNode.java

@@ -18,6 +18,6 @@ public class WorkGatewayNode {
     /**
      *  分数
      */
-    private Double source;
+    private int weight;
 
 }

src/main/java/com/loadcenter/service/impl/GatewayLoadServiceImpl.java

@@ -142,7 +142,7 @@ public class GatewayLoadServiceImpl implements GatewayLoadService {
                 .map(workGatewayNode ->
                         WorkGatewayNodeSource.builder()
                                 .nodeId(workGatewayNode.getNodeId())
-                                .weight(Integer.parseInt(String.valueOf(vehicleOnlineNum / (nodeMaxNum - workGatewayNode.getSource()))))
+                                .weight(Integer.parseInt(String.valueOf(vehicleOnlineNum / (nodeMaxNum - workGatewayNode.getWeight()))))
                                 .build())
                 .toList();
         // 计算节点列表中所有节点的权重之和
@@ -164,7 +164,8 @@ public class GatewayLoadServiceImpl implements GatewayLoadService {
             }
         }
         // 当所有节点权重为0时，跳出循环
-        whFor:while (true) {
+        whFor:
+        while (true) {
             // 遍历节点列表，将权重大于0的节点ID添加到loadNodeList中，并将节点权重减1
             for (WorkGatewayNodeSource workGatewayNodeSource : workGatewayNodeSources) {
                 int weight = workGatewayNodeSource.getWeight();
@@ -223,7 +224,33 @@ public class GatewayLoadServiceImpl implements GatewayLoadService {
             log.info("实例id和公网ip存入redis");
 
         } else if (loadRate.longValue() < 20L) {
+            if (nodeList.size() > 2) {
+                log.info("负载率:[{}]", loadRate);
 
+                log.info("负载为：[{]]过低,开始缩容", loadRate.longValue());
+
+                WorkGatewayNode minConnectionNode = null;
+                int minConnections = Integer.MAX_VALUE;
+
+                for (WorkGatewayNode node : nodeList) {
+                    int nodeConnections = node.getWeight();
+                    if (nodeConnections < minConnections) {
+                        minConnections = nodeConnections;
+                        minConnectionNode = node;
+                    }
+                }
+
+                // minConnectionNode 现在存储了连接数最少的节点
+                log.info("连接数最少的节点为：[{}]", minConnectionNode.getNodeId());
+
+                //先删除zSet,不让车连接
+                gatewayZSetNodeCache.remove(minConnectionNode.getNodeId());
+
+                GatewayNodeInfo gatewayNodeInfo = gatewayNodeCache.get(minConnectionNode.getNodeId());
+                log.info("删除节点:[{}]",gatewayNodeInfo.getNodeId());
+
+
+            }
         }
     }