Merge branch 'master' into cim-1.0.6

# Conflicts:
#	cim-common/src/main/java/com/crossoverjie/cim/common/data/construct/RingBufferWheel.java
#	cim-common/src/test/java/com/crossoverjie/cim/common/data/construct/RingBufferWheelTest.java

@@ -26,7 +26,7 @@
 - 适用于 `APP` 的消息推送中间件。
 - `IOT` 海量连接场景中的消息透传中间件。
 
-> 我有在公网部署了一套演示环境，想要体验的可以[联系我](#联系作者)加入内测群获取账号。
+> 在使用或开发过程中有任何疑问都可[联系我](#联系作者)。
 
 ## 视频演示
 
@@ -50,7 +50,7 @@
 * [x] 路由(`cim-forward-route`)服务自身是无状态，可用 `Nginx` 代理支持高可用。
 * [x] 服务端自动剔除离线客户端。
 * [x] 客户端自动重连。
-* [x] 延时消息
+* [x] [延时消息](#延时消息)
 * [ ] 分组群聊。
 * [ ] SDK 开发包。
 * [ ] 离线消息。
@@ -183,6 +183,7 @@ java -jar cim-client-1.0.0-SNAPSHOT.jar --server.port=8084 --cim.user.id=上方
 | `:pu` | 模糊匹配用户 | 
 | `:info` | 获取客户端信息 | 
 | `:emoji [option]` | 查询表情包 [option:页码] | 
+| `:delay [msg] [delayTime]` | 发送延时消息 | 
 | `:` | 更多命令正在开发中。。 | 
 
 ![](https://ws3.sinaimg.cn/large/006tNbRwly1fylh7bdlo6g30go01shdt.gif)
@@ -250,7 +251,15 @@ java -jar cim-client-1.0.0-SNAPSHOT.jar --server.port=8084 --cim.user.id=上方
 ![](https://tva1.sinaimg.cn/large/006y8mN6ly1g6j910cqrzj30dn05qjw9.jpg)
 ![](https://tva1.sinaimg.cn/large/006y8mN6ly1g6j99hazg6j30ax03hq35.jpg)
  
+### 延时消息
 
+发送 10s 的延时消息：
+
+```shell
+:delay delayMsg 10
+```
+
+![](https://tva1.sinaimg.cn/large/006y8mN6ly1g7brppmokqg30gn07gafj.gif)
 
 ## 联系作者
 - [crossoverJie@gmail.com](mailto:crossoverJie@gmail.com)

@@ -50,6 +50,11 @@ public final class RingBufferWheel {
      */
     private volatile boolean start = false ;
 
+    /**
+     * total tick times
+     */
+    private AtomicInteger tick = new AtomicInteger() ;
+
     private Lock lock = new ReentrantLock();
     private Condition condition = lock.newCondition();
 
@@ -115,7 +120,7 @@ public final class RingBufferWheel {
     }
 
     /**
-     * Start background thread to consumer wheel timer, it will run until you call method {@link #stop}
+     * Start background thread to consumer wheel timer, it will always run until you call method {@link #stop}
      */
     public void start() {
         if (!start){
@@ -195,12 +200,15 @@ public final class RingBufferWheel {
     }
 
     private void size2Notify() {
-        lock.lock();
-        int size = taskSize.decrementAndGet();
-        if (size == 0) {
-            condition.signal();
+        try {
+            lock.lock();
+            int size = taskSize.decrementAndGet();
+            if (size == 0) {
+                condition.signal();
+            }
+        }finally {
+            lock.unlock();
         }
-        lock.unlock();
     }
 
     private boolean powerOf2(int target) {
@@ -217,6 +225,7 @@ public final class RingBufferWheel {
 
     private int mod(int target, int mod) {
         // equals target % mod
+        target = target + tick.get() ;
         return target & (mod - 1);
     }
 
@@ -273,6 +282,8 @@ public final class RingBufferWheel {
                     index = 0;
                 }
 
+                //Total tick number of records
+                tick.incrementAndGet();
                 try {
                     TimeUnit.SECONDS.sleep(1);
                 } catch (InterruptedException e) {

 package com.crossoverjie.cim.common.data.construct;
 
+
 import com.google.common.util.concurrent.ThreadFactoryBuilder;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -17,7 +19,7 @@ public class RingBufferWheelTest {
     private static Logger logger = LoggerFactory.getLogger(RingBufferWheelTest.class) ;
 
     public static void main(String[] args) throws InterruptedException {
-        test1();
+        test5();
 
         return;
     }
@@ -25,7 +27,7 @@ public class RingBufferWheelTest {
     private static void test1() throws InterruptedException {
         ExecutorService executorService = Executors.newFixedThreadPool(2) ;
 
-        Task task = new Task() ;
+        RingBufferWheel.Task task = new Task() ;
         task.setKey(10);
         RingBufferWheel wheel = new RingBufferWheel(executorService) ;
         wheel.addTask(task) ;
@@ -42,7 +44,7 @@ public class RingBufferWheelTest {
     private static void test2() throws InterruptedException {
         ExecutorService executorService = Executors.newFixedThreadPool(2) ;
 
-        Task task = new Task() ;
+        RingBufferWheel.Task task = new Task() ;
         task.setKey(10);
         RingBufferWheel wheel = new RingBufferWheel(executorService) ;
         wheel.addTask(task) ;
@@ -72,7 +74,7 @@ public class RingBufferWheelTest {
     private static void test3() throws InterruptedException {
         ExecutorService executorService = Executors.newFixedThreadPool(2) ;
 
-        Task task = new Task() ;
+        RingBufferWheel.Task task = new Task() ;
         task.setKey(10);
         RingBufferWheel wheel = new RingBufferWheel(executorService) ;
         wheel.addTask(task) ;
@@ -95,7 +97,7 @@ public class RingBufferWheelTest {
         RingBufferWheel wheel = new RingBufferWheel(executorService) ;
 
         for (int i = 0; i < 65; i++) {
-            Job task = new Job(i) ;
+            RingBufferWheel.Task task = new Job(i) ;
             task.setKey(i);
             wheel.addTask(task);
         }
@@ -114,7 +116,7 @@ public class RingBufferWheelTest {
         RingBufferWheel wheel = new RingBufferWheel(executorService,512) ;
 
         for (int i = 0; i < 65; i++) {
-            Job task = new Job(i) ;
+            RingBufferWheel.Task task = new Job(i) ;
             task.setKey(i);
             wheel.addTask(task);
         }
@@ -125,14 +127,28 @@ public class RingBufferWheelTest {
 
 
     }
+    private static void test6() throws InterruptedException {
+        ExecutorService executorService = Executors.newFixedThreadPool(2) ;
 
+        RingBufferWheel wheel = new RingBufferWheel(executorService,512) ;
 
-    private static class Task extends RingBufferWheel.Task{
-
-        @Override
-        public void run() {
-            logger.info("================");
+        for (int i = 0; i < 10; i++) {
+            RingBufferWheel.Task task = new Job(i) ;
+            task.setKey(i);
+            wheel.addTask(task);
         }
+
+
+        TimeUnit.SECONDS.sleep(10);
+        RingBufferWheel.Task task = new Job(15) ;
+        task.setKey(15);
+        wheel.addTask(task);
+
+        logger.info("task size={}",wheel.taskSize());
+
+        wheel.stop(false);
+
+
     }
     private static void cuncrrentTest6() throws InterruptedException {
         BlockingQueue<Runnable> queue = new LinkedBlockingQueue(10);
@@ -184,4 +200,13 @@ public class RingBufferWheelTest {
             logger.info("number={}" , num);
         }
     }
+
+    private static class Task extends RingBufferWheel.Task{
+
+        @Override
+        public void run() {
+            logger.info("================");
+        }
+
+    }
 }
\ No newline at end of file