添加issue8单元测试

src/test/java/top/meethigher/proxy/tcp/tunnel/Issue8Test.java

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+package top.meethigher.proxy.tcp.tunnel;
+
+import io.vertx.core.Vertx;
+import io.vertx.core.net.NetClient;
+import org.junit.Assert;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+public class Issue8Test {
+
+    private static final Logger log = LoggerFactory.getLogger(Issue8Test.class);
+
+    @Test
+    public void test() throws Exception {
+
+        /**
+         * IDEA 多配置“批量启动”——使用 Run/Debug Configuration 的“Compound”功能
+         * 步骤如下：
+         * 打开Run/Debug Configurations窗口（快捷键 Ctrl+Alt+R / 右上角 Edit Configurations）。
+         *
+         * 新建三个 Application 类型配置，分别设置好 ClassA、ClassB、ClassC 的 main。
+         *
+         * 再新建一个Compound类型配置。
+         *
+         * 在 Compound 配置的“Run/Debug Configurations”里，添加刚刚那三个配置，顺序拖拽即可调整。
+         *
+         * 选中 Compound 配置，点绿色启动按钮，一次性批量顺序启动三（或更多）个实例。
+         *
+         * 注意：Compound 是并发同时，不是顺序启动。IDEA 会按照你添加的顺序一个一个起。
+         */
+
+        // step1: run top.meethigher.proxy.tcp.tunnel.issue8.Issue8BackendServer.main
+
+        // step2: run top.meethigher.proxy.tcp.tunnel.issue8.Issue8TunnelServer.main
+
+        // step3: run top.meethigher.proxy.tcp.tunnel.issue8.Issue8TunnelClient.main
+
+        Vertx vertx = Vertx.vertx();
+        NetClient netClient = vertx.createNetClient();
+        int total = 500;
+        CountDownLatch latch = new CountDownLatch(total);
+        for (int i = 0; i < total; i++) {
+            final String id = String.valueOf(i + 1);
+            netClient.connect(2222, "127.0.0.1").onSuccess(socket -> {
+                socket.pause();
+                socket.handler(buf -> {
+                    log.info("{} received: {}", id, buf);
+                    latch.countDown();
+                });
+                socket.resume();
+            });
+        }
+
+        latch.await(5, TimeUnit.SECONDS);
+        Assert.assertEquals(total, total - latch.getCount());
+    }
+}

src/test/java/top/meethigher/proxy/tcp/tunnel/issue8/Issue8BackendServer.java

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+package top.meethigher.proxy.tcp.tunnel.issue8;
+
+import io.vertx.core.Vertx;
+import io.vertx.core.buffer.Buffer;
+import io.vertx.core.net.NetServer;
+
+public class Issue8BackendServer {
+    public static void main(String[] args) {
+        Vertx vertx = Vertx.vertx();
+        NetServer netServer = vertx.createNetServer();
+        netServer.connectHandler(socket -> {
+            socket.remoteAddress();
+            socket.write(Buffer.buffer("SSH-2.0-OpenSSH_8.7")).onComplete(ar -> {
+                System.out.println(socket.remoteAddress().toString() + " write " + ar.succeeded());
+            });
+        }).listen(23).onComplete(ar -> {
+            if (ar.succeeded()) {
+                System.out.println("Server started on port " + ar.result().actualPort());
+            } else {
+                System.err.println("Server failed to start");
+                ar.cause().printStackTrace();
+                System.exit(1);
+            }
+        });
+    }
+}

src/test/java/top/meethigher/proxy/tcp/tunnel/issue8/Issue8TunnelClient.java

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+package top.meethigher.proxy.tcp.tunnel.issue8;
+
+import io.vertx.core.Vertx;
+import io.vertx.core.net.NetClient;
+import io.vertx.core.net.NetClientOptions;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import top.meethigher.proxy.tcp.tunnel.ReverseTcpProxyTunnelClient;
+
+import java.util.concurrent.TimeUnit;
+
+public class Issue8TunnelClient {
+
+    private static final Vertx vertx = Vertx.vertx();
+    private static final Logger log = LoggerFactory.getLogger(Issue8TunnelClient.class);
+
+    public static void main(String[] args) {
+        NetClient netClient = vertx.createNetClient(new NetClientOptions()
+                .setIdleTimeout(999999999)
+                .setIdleTimeoutUnit(TimeUnit.MILLISECONDS));
+        ReverseTcpProxyTunnelClient.create(vertx, netClient)
+                .dataProxyPort(2222)
+                .dataProxyHost("127.0.0.1")
+                .dataProxyName("ssh")
+                .backendHost("127.0.0.1")
+                .backendPort(23)
+                .connect("127.0.0.1", 44444);
+    }
+}

src/test/java/top/meethigher/proxy/tcp/tunnel/issue8/Issue8TunnelServer.java

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+package top.meethigher.proxy.tcp.tunnel.issue8;
+
+import io.vertx.core.Vertx;
+import io.vertx.core.net.NetServer;
+import io.vertx.core.net.NetServerOptions;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import top.meethigher.proxy.tcp.tunnel.ReverseTcpProxyTunnelServer;
+
+import java.util.concurrent.TimeUnit;
+
+public class Issue8TunnelServer {
+
+    private static final Vertx vertx = Vertx.vertx();
+    private static final Logger log = LoggerFactory.getLogger(Issue8TunnelServer.class);
+
+    public static void main(String[] args) {
+        NetServer netServer = vertx.createNetServer(
+                new NetServerOptions()
+                        .setIdleTimeout(999999999)
+                        .setIdleTimeoutUnit(TimeUnit.MILLISECONDS));
+        ReverseTcpProxyTunnelServer.create(vertx, netServer)
+                .heartbeatDelay(888888888)
+                .judgeDelay(50)
+                .port(44444)
+                .start();
+    }
+}