optimize system dns

CHANGELOG.md

@@ -1,4 +1,8 @@
 #Changelog
+## 8.4.1(2022-01-07)
+* 优化 SystemDns 解析：异步开线程池。
+
+
 ## 8.4.0(2021-12-07)
 * 优化：
     * DNS 预解析支持 DoH (DNS over HTTPS)

README.md

@@ -15,7 +15,7 @@ https://github.com/qiniudemo/qiniu-lab-android
 
 | Qiniu SDK 版本 | 最低 Android版本   |       依赖库版本           |
 |------------ |-----------------|------------------------|
-|  8.4.0        |  Android 4.0+     |        okhttp 4+         |
+|  8.4.*        |  Android 4.0+     |        okhttp 4+         |
 |  8.3.2        |  Android 4.0+     |        okhttp 4+         |
 |  8.3.1        |  Android 4.0+     |        okhttp 4+         |
 |  8.3.0        |  Android 5.0+     |        okhttp 4+         |
@@ -33,7 +33,7 @@ https://github.com/qiniudemo/qiniu-lab-android
 |  7.0.7        |  Android 2.2+     | android-async-http 1.4.8 |
 
 ### 注意
-* 推荐使用最新版：8.4.0
+* 推荐使用最新版：8.4.1
 * 7.6.2 ~ 8.3.2 AndroidNetwork.getMobileDbm()可以获取手机信号强度，需要如下权限(API>=18时生效)
 ```
   <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>

library/src/androidTest/java/com/qiniu/android/SystemDnsTest.java

@@ -0,0 +1,36 @@
+package com.qiniu.android;
+
+import com.qiniu.android.http.dns.IDnsNetworkAddress;
+import com.qiniu.android.http.dns.SystemDns;
+import com.qiniu.android.utils.Utils;
+
+import java.net.UnknownHostException;
+import java.util.List;
+
+public class SystemDnsTest extends BaseTest {
+
+    public void testDnsLookup() {
+        SystemDns dns = new SystemDns(5);
+        try {
+            List<IDnsNetworkAddress> result = dns.lookup("upload.qiniup.com");
+            assertTrue("testDnsLookup fail:", result != null && result.size() > 0);
+        } catch (UnknownHostException e) {
+            e.printStackTrace();
+            fail("testDnsLookup fail because:" + e.getMessage());
+        }
+    }
+
+    public void testDnsTimeout() {
+        long start = Utils.currentSecondTimestamp();
+        int timeout = 5;
+        SystemDns dns = new SystemDns(timeout);
+        try {
+            List<IDnsNetworkAddress> result = dns.lookup("a.a.a.cn");
+            assertTrue("testDnsTimeout fail:", result == null || result.size() == 0);
+        } catch (UnknownHostException e) {
+            e.printStackTrace();
+        }
+        long end = Utils.currentSecondTimestamp();
+        assertTrue("testDnsTimeout fail because timeout to long", end <= (start + timeout + 1));
+    }
+}

library/src/androidTest/java/com/qiniu/android/TestConfig.java

@@ -10,24 +10,24 @@ public final class TestConfig {
     // TODO: 2020-05-09 bad token for testPutBytesWithFixedZoneUseBackupDomains
     // 华东上传凭证
     public static final String bucket_z0 = "kodo-phone-zone0-space";
-
-    public static final String token_z0 = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:EF8jJo2t8mDSXckLhdY5Za0WUJo=:eyJzY29wZSI6ImtvZG8tcGhvbmUtem9uZTAtc3BhY2UiLCJkZWFkbGluZSI6MTYzOTgwNzI1OSwgInJldHVybkJvZHkiOiJ7XCJjYWxsYmFja1VybFwiOlwiaHR0cDpcL1wvY2FsbGJhY2suZGV2LnFpbml1LmlvXCIsIFwiZm9vXCI6JCh4OmZvbyksIFwiYmFyXCI6JCh4OmJhciksIFwibWltZVR5cGVcIjokKG1pbWVUeXBlKSwgXCJoYXNoXCI6JChldGFnKSwgXCJrZXlcIjokKGtleSksIFwiZm5hbWVcIjokKGZuYW1lKX0ifQ==";
+    public static final String token_z0 = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:OaOVs0Fx1YljeCSdE3bX7WXIlDE=:eyJzY29wZSI6ImtvZG8tcGhvbmUtem9uZTAtc3BhY2UiLCJkZWFkbGluZSI6MTY0NjYzMzIzNSwgInJldHVybkJvZHkiOiJ7XCJjYWxsYmFja1VybFwiOlwiaHR0cDpcL1wvY2FsbGJhY2suZGV2LnFpbml1LmlvXCIsIFwiZm9vXCI6JCh4OmZvbyksIFwiYmFyXCI6JCh4OmJhciksIFwibWltZVR5cGVcIjokKG1pbWVUeXBlKSwgXCJoYXNoXCI6JChldGFnKSwgXCJrZXlcIjokKGtleSksIFwiZm5hbWVcIjokKGZuYW1lKX0ifQ==";
     // 华北上传凭证
     public static final String bucket_z1 = "kodo-phone-zone1-space";
-    public static final String token_z1 = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:1GlC8sbSnAjXiCqJWLvuw1gvrqE=:eyJzY29wZSI6ImtvZG8tcGhvbmUtem9uZTEtc3BhY2UiLCJkZWFkbGluZSI6MTYzOTgwNzI1OSwgInJldHVybkJvZHkiOiJ7XCJjYWxsYmFja1VybFwiOlwiaHR0cDpcL1wvY2FsbGJhY2suZGV2LnFpbml1LmlvXCIsIFwiZm9vXCI6JCh4OmZvbyksIFwiYmFyXCI6JCh4OmJhciksIFwibWltZVR5cGVcIjokKG1pbWVUeXBlKSwgXCJoYXNoXCI6JChldGFnKSwgXCJrZXlcIjokKGtleSksIFwiZm5hbWVcIjokKGZuYW1lKX0ifQ==";
+    public static final String token_z1 = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:pz5RzDV5__H0wBtCZk_Eyhi1lzc=:eyJzY29wZSI6ImtvZG8tcGhvbmUtem9uZTEtc3BhY2UiLCJkZWFkbGluZSI6MTY0NjYzMzIzNSwgInJldHVybkJvZHkiOiJ7XCJjYWxsYmFja1VybFwiOlwiaHR0cDpcL1wvY2FsbGJhY2suZGV2LnFpbml1LmlvXCIsIFwiZm9vXCI6JCh4OmZvbyksIFwiYmFyXCI6JCh4OmJhciksIFwibWltZVR5cGVcIjokKG1pbWVUeXBlKSwgXCJoYXNoXCI6JChldGFnKSwgXCJrZXlcIjokKGtleSksIFwiZm5hbWVcIjokKGZuYW1lKX0ifQ==";
     // 华南上传凭证
     public static final String bucket_z2 = "kodo-phone-zone2-space";
-    public static final String token_z2 = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:_IjpE41xDBo9T-JcRTTrBNZelz8=:eyJzY29wZSI6ImtvZG8tcGhvbmUtem9uZTItc3BhY2UiLCJkZWFkbGluZSI6MTYzOTgwNzI1OSwgInJldHVybkJvZHkiOiJ7XCJjYWxsYmFja1VybFwiOlwiaHR0cDpcL1wvY2FsbGJhY2suZGV2LnFpbml1LmlvXCIsIFwiZm9vXCI6JCh4OmZvbyksIFwiYmFyXCI6JCh4OmJhciksIFwibWltZVR5cGVcIjokKG1pbWVUeXBlKSwgXCJoYXNoXCI6JChldGFnKSwgXCJrZXlcIjokKGtleSksIFwiZm5hbWVcIjokKGZuYW1lKX0ifQ==";
+    public static final String token_z2 = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:f-As7eQSb4bra9wIPD8NtZoLj-I=:eyJzY29wZSI6ImtvZG8tcGhvbmUtem9uZTItc3BhY2UiLCJkZWFkbGluZSI6MTY0NjYzMzIzNSwgInJldHVybkJvZHkiOiJ7XCJjYWxsYmFja1VybFwiOlwiaHR0cDpcL1wvY2FsbGJhY2suZGV2LnFpbml1LmlvXCIsIFwiZm9vXCI6JCh4OmZvbyksIFwiYmFyXCI6JCh4OmJhciksIFwibWltZVR5cGVcIjokKG1pbWVUeXBlKSwgXCJoYXNoXCI6JChldGFnKSwgXCJrZXlcIjokKGtleSksIFwiZm5hbWVcIjokKGZuYW1lKX0ifQ==";
     // 北美上传凭证
     public static final String bucket_na0 = "kodo-phone-zone-na0-space";
-    public static final String token_na0 = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:WHOtfzLVKsg9yi9GTTO2ExB6Ol8=:eyJzY29wZSI6ImtvZG8tcGhvbmUtem9uZS1uYTAtc3BhY2UiLCJkZWFkbGluZSI6MTYzOTgwNzI1OSwgInJldHVybkJvZHkiOiJ7XCJjYWxsYmFja1VybFwiOlwiaHR0cDpcL1wvY2FsbGJhY2suZGV2LnFpbml1LmlvXCIsIFwiZm9vXCI6JCh4OmZvbyksIFwiYmFyXCI6JCh4OmJhciksIFwibWltZVR5cGVcIjokKG1pbWVUeXBlKSwgXCJoYXNoXCI6JChldGFnKSwgXCJrZXlcIjokKGtleSksIFwiZm5hbWVcIjokKGZuYW1lKX0ifQ==";
+    public static final String token_na0 = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:REXUSlE442Vg_J-1tS_JN08stN4=:eyJzY29wZSI6ImtvZG8tcGhvbmUtem9uZS1uYTAtc3BhY2UiLCJkZWFkbGluZSI6MTY0NjYzMzIzNSwgInJldHVybkJvZHkiOiJ7XCJjYWxsYmFja1VybFwiOlwiaHR0cDpcL1wvY2FsbGJhY2suZGV2LnFpbml1LmlvXCIsIFwiZm9vXCI6JCh4OmZvbyksIFwiYmFyXCI6JCh4OmJhciksIFwibWltZVR5cGVcIjokKG1pbWVUeXBlKSwgXCJoYXNoXCI6JChldGFnKSwgXCJrZXlcIjokKGtleSksIFwiZm5hbWVcIjokKGZuYW1lKX0ifQ==";
     // 东南亚上传凭证
     public static final String bucket_as0 = "kodo-phone-zone-as0-space";
-    public static final String token_as0 = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:rCq22VeKNE5jDD_jKlAMNed8Zsw=:eyJzY29wZSI6ImtvZG8tcGhvbmUtem9uZS1hczAtc3BhY2UiLCJkZWFkbGluZSI6MTYzOTgwNzI1OSwgInJldHVybkJvZHkiOiJ7XCJjYWxsYmFja1VybFwiOlwiaHR0cDpcL1wvY2FsbGJhY2suZGV2LnFpbml1LmlvXCIsIFwiZm9vXCI6JCh4OmZvbyksIFwiYmFyXCI6JCh4OmJhciksIFwibWltZVR5cGVcIjokKG1pbWVUeXBlKSwgXCJoYXNoXCI6JChldGFnKSwgXCJrZXlcIjokKGtleSksIFwiZm5hbWVcIjokKGZuYW1lKX0ifQ==";
+    public static final String token_as0 = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:KJ5_t8Uz06R7HnajX-aLdDVexdo=:eyJzY29wZSI6ImtvZG8tcGhvbmUtem9uZS1hczAtc3BhY2UiLCJkZWFkbGluZSI6MTY0NjYzMzIzNSwgInJldHVybkJvZHkiOiJ7XCJjYWxsYmFja1VybFwiOlwiaHR0cDpcL1wvY2FsbGJhY2suZGV2LnFpbml1LmlvXCIsIFwiZm9vXCI6JCh4OmZvbyksIFwiYmFyXCI6JCh4OmJhciksIFwibWltZVR5cGVcIjokKG1pbWVUeXBlKSwgXCJoYXNoXCI6JChldGFnKSwgXCJrZXlcIjokKGtleSksIFwiZm5hbWVcIjokKGZuYW1lKX0ifQ==";
     // 雾存储华东一区
     public static final String bucket_fog_cn_east1 = "test-fog-cn-east-1";
-    public static final String token_fog_cn_east1 = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:3yI0DeUgEpm15Ky58-2qs8uBE5Q=:eyJzY29wZSI6InRlc3QtZm9nLWNuLWVhc3QtMSIsImRlYWRsaW5lIjoxNjM5ODA3MjU5LCAicmV0dXJuQm9keSI6IntcImNhbGxiYWNrVXJsXCI6XCJodHRwOlwvXC9jYWxsYmFjay5kZXYucWluaXUuaW9cIiwgXCJmb29cIjokKHg6Zm9vKSwgXCJiYXJcIjokKHg6YmFyKSwgXCJtaW1lVHlwZVwiOiQobWltZVR5cGUpLCBcImhhc2hcIjokKGV0YWcpLCBcImtleVwiOiQoa2V5KSwgXCJmbmFtZVwiOiQoZm5hbWUpfSJ9";
-    public static final String invalidBucketToken = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:GqCG7V8i0f05Nlmj2Xoj3UUs4wM=:eyJzY29wZSI6InpvbmVfaW52YWxpZCIsImRlYWRsaW5lIjoxNjM5ODA3MjU5LCAicmV0dXJuQm9keSI6IntcImNhbGxiYWNrVXJsXCI6XCJodHRwOlwvXC9jYWxsYmFjay5kZXYucWluaXUuaW9cIiwgXCJmb29cIjokKHg6Zm9vKSwgXCJiYXJcIjokKHg6YmFyKSwgXCJtaW1lVHlwZVwiOiQobWltZVR5cGUpLCBcImhhc2hcIjokKGV0YWcpLCBcImtleVwiOiQoa2V5KSwgXCJmbmFtZVwiOiQoZm5hbWUpfSJ9";
+    public static final String token_fog_cn_east1 = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:JPPu4hG6dc9AMTBag4eAujK_ldI=:eyJzY29wZSI6InRlc3QtZm9nLWNuLWVhc3QtMSIsImRlYWRsaW5lIjoxNjQ2NjMzMjM1LCAicmV0dXJuQm9keSI6IntcImNhbGxiYWNrVXJsXCI6XCJodHRwOlwvXC9jYWxsYmFjay5kZXYucWluaXUuaW9cIiwgXCJmb29cIjokKHg6Zm9vKSwgXCJiYXJcIjokKHg6YmFyKSwgXCJtaW1lVHlwZVwiOiQobWltZVR5cGUpLCBcImhhc2hcIjokKGV0YWcpLCBcImtleVwiOiQoa2V5KSwgXCJmbmFtZVwiOiQoZm5hbWUpfSJ9";
+    public static final String invalidBucketToken = "dxVQk8gyk3WswArbNhdKIwmwibJ9nFsQhMNUmtIM:4y0ZaTdcqRcyMloKt_ujblr-WUA=:eyJzY29wZSI6InpvbmVfaW52YWxpZCIsImRlYWRsaW5lIjoxNjQ2NjMzMjM1LCAicmV0dXJuQm9keSI6IntcImNhbGxiYWNrVXJsXCI6XCJodHRwOlwvXC9jYWxsYmFjay5kZXYucWluaXUuaW9cIiwgXCJmb29cIjokKHg6Zm9vKSwgXCJiYXJcIjokKHg6YmFyKSwgXCJtaW1lVHlwZVwiOiQobWltZVR5cGUpLCBcImhhc2hcIjokKGV0YWcpLCBcImtleVwiOiQoa2V5KSwgXCJmbmFtZVwiOiQoZm5hbWUpfSJ9";
+
     // -----------
     public static final String ak = "bjtWBQXrcxgo7HWwlC_bgHg81j352_GhgBGZPeOW";
 

library/src/main/java/com/qiniu/android/common/Constants.java

@@ -2,7 +2,7 @@
 
 
 public final class Constants {
-    public static final String VERSION = "8.4.0";
+    public static final String VERSION = "8.4.1";
 
     public static final String UTF_8 = "utf-8";
 }

library/src/main/java/com/qiniu/android/http/dns/SystemDns.java

@@ -9,7 +9,11 @@
 import java.util.Date;
 import java.util.List;
 import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Future;
 import java.util.concurrent.FutureTask;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
 /**
@@ -18,6 +22,8 @@
 public class SystemDns implements Dns {
 
     private int timeout = 10;
+    private static final ExecutorService executor = new ThreadPoolExecutor(1, 3,
+            60L, TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>());
 
     public SystemDns() {
     }
@@ -31,14 +37,12 @@ public List<InetAddress> lookupInetAddress(final String hostname) throws Unknown
             throw new UnknownHostException("hostname is null");
         } else {
             try {
-                FutureTask<List<InetAddress>> task = new FutureTask<>(
-                        new Callable<List<InetAddress>>() {
-                            @Override
-                            public List<InetAddress> call() throws Exception {
-                                return Arrays.asList(InetAddress.getAllByName(hostname));
-                            }
-                        });
-                new Thread(task).start();
+                Future<List<InetAddress>> task = executor.submit(new Callable<List<InetAddress>>() {
+                    @Override
+                    public List<InetAddress> call() throws Exception {
+                        return Arrays.asList(InetAddress.getAllByName(hostname));
+                    }
+                });
                 return task.get(timeout, TimeUnit.SECONDS);
             } catch (Exception var4) {
                 UnknownHostException unknownHostException =