修改：rpc 调用端订阅 topic 逻辑修改

src/com/zdemo/zhub/ZHubClient.java

@@ -15,6 +15,7 @@ import java.io.OutputStream;
 import java.net.InetSocketAddress;
 import java.net.Socket;
 import java.net.SocketException;
+import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
@@ -58,8 +59,9 @@ public class ZHubClient extends AbstractConsumer implements IConsumer, IProducer
         }
     };
 
-    private static boolean isFirst = true;
+    /*private static boolean isFirst = true;
-    private boolean isMain = false;
+    private boolean isMain = false;*/
+    private static Map<String, ZHubClient> mainHub = new HashMap<>(); // 127.0.0.1:1216 - ZHubClient
 
     @Override
     public void init(AnyValue config) {
@@ -75,9 +77,12 @@ public class ZHubClient extends AbstractConsumer implements IConsumer, IProducer
         }
 
         // 设置第一个启动的 实例为主实例
-        if (isFirst) {
+        /*if (isFirst) {
             isMain = true;
             isFirst = false;
+        }*/
+        if (!mainHub.containsKey(host + ":" + port)) { // 确保同步执行此 init 逻辑
+            mainHub.put(host + ":" + port, this);
         }
 
         if (!initSocket(0)) {
@@ -312,7 +317,9 @@ public class ZHubClient extends AbstractConsumer implements IConsumer, IProducer
                 send("groupid " + groupid);
 
                 StringBuffer buf = new StringBuffer("subscribe lock");
-                if (isMain) { // TODO:
+                /*if (isMain) {
+                }*/
+                if (mainHub.containsValue(this)) {
                     buf.append(" " + APP_NAME);
                 }
                 for (String topic : getTopics()) {

test/com/zdemo/test/AppTest.java

@@ -26,11 +26,11 @@ public class AppTest {
             //启动并开启消费监听
             MyConsumer consumer = Application.singleton(MyConsumer.class);
 
-            /*consumer.subscribe("a", str -> {
+            consumer.subscribe("a", str -> {
                 logger.info("我收到了消息 a 事件：" + str);
             });
 
-            consumer.timer("a", () -> {
+            /*consumer.timer("a", () -> {
                 System.out.println(Utility.now() + " timer a 执行了");
                 try {
                     Thread.sleep(3000);

test/com/zdemo/test/HelloService.java

@@ -0,0 +1,37 @@
+package com.zdemo.test;
+
+import com.zdemo.IConsumer;
+import com.zdemo.zhub.RpcResult;
+import com.zdemo.zhub.ZHubClient;
+import org.redkale.net.http.RestService;
+import org.redkale.service.Service;
+import org.redkale.util.AnyValue;
+import org.redkale.util.TypeToken;
+
+import javax.annotation.Resource;
+
+@RestService(automapping = true)
+public class HelloService implements Service {
+
+    @Resource(name = "zhub")
+    private ZHubClient zhub;
+
+    @Override
+    public void init(AnyValue config) {
+        // Function<Rpc<T>, RpcResult<R>> fun
+        zhub.rpcSubscribe("x", new TypeToken<String>() {
+        }, r -> {
+
+            return r.buildResp(r.getValue().toUpperCase() + ": Ok");
+        });
+    }
+
+    public RpcResult<String> x(String v) {
+        if (v == null) {
+            v = "";
+        }
+        RpcResult<String> x = zhub.rpc("x", v, IConsumer.TYPE_TOKEN_STRING).join();
+
+        return x;
+    }
+}