[update] 信号服务优化

signal-control-service/src/main/java/net/wanji/web/task/SystemServiceStatusTask.java

@@ -10,13 +10,11 @@ import net.wanji.web.common.util.date.DateStyle;
 import net.wanji.web.websocket.WebSocketServer;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
+import org.springframework.util.CollectionUtils;
 
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
-import java.util.ArrayList;
-import java.util.Comparator;
-import java.util.Date;
-import java.util.List;
+import java.util.*;
 import java.util.stream.Collectors;
 
 /**
@@ -37,7 +35,8 @@ public class SystemServiceStatusTask {
 
     @Scheduled(fixedRate = 1 * 60 * 1000)
     public void telnetStatus() throws Exception {
-
+        Set<WebSocketServer> webSocketSet = WebSocketServer.getWebSocketSet(Constant.WEBSOCKET_TOPIC_SYS_SERVICE_STATUS);
+        if (!CollectionUtils.isEmpty(webSocketSet)) {
             for (SystemServiceStatusDTO dto : sysList) {
                 String ip = dto.getIp();
                 int port = dto.getPort();
@@ -56,7 +55,8 @@ public class SystemServiceStatusTask {
                 }
             }
             List<SystemServiceStatusDTO> sort = sysList.stream().sorted(Comparator.comparing(SystemServiceStatusDTO::getStartDate)).collect(Collectors.toList());
-        WebSocketServer.sendInfo2All(JSON.toJSONString(sort), Constant.WEBSOCKET_TOPIC_SYS_SERVICE_STATUS);
+            WebSocketServer.sendTopicInfo2All(JSON.toJSONString(sort), Constant.WEBSOCKET_TOPIC_SYS_SERVICE_STATUS);
+        }
     }
 
 }

signal-control-service/src/main/java/net/wanji/web/websocket/WebSocketServer.java

@@ -170,7 +170,7 @@ public class WebSocketServer {
      * @param topic
      * @throws IOException
      */
-    public static void sendInfo2All(String message, String topic) throws IOException {
+    public static void sendTopicInfo2All(String message, String topic) throws IOException {
         if (StringUtils.isNotBlank(topic) && webSocketMap.containsKey(topic)) {
             try {
                 Set<WebSocketServer> socketSets = webSocketMap.get(topic);