From 784ec442e51a1b56765f23835747b120bf6619ef Mon Sep 17 00:00:00 2001
From: hengyunabc <hengyunabc@gmail.com>
Date: Thu, 19 Sep 2019 19:14:44 +0800
Subject: [PATCH] logger command print AsyncAppender blocking info #862

---
 .../com/taobao/arthas/core/command/logger/Log4jHelper.java     | 1 +
 .../com/taobao/arthas/core/command/logger/LogbackHelper.java   | 1 +
 .../com/taobao/arthas/core/command/logger/LoggerCommand.java   | 3 +++
 .../com/taobao/arthas/core/command/logger/LoggerHelper.java    | 1 +
 4 files changed, 6 insertions(+)

diff --git a/core/src/main/java/com/taobao/arthas/core/command/logger/Log4jHelper.java b/core/src/main/java/com/taobao/arthas/core/command/logger/Log4jHelper.java
index 055318f76..1f1cf7bee 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/logger/Log4jHelper.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/logger/Log4jHelper.java
@@ -146,6 +146,7 @@ public class Log4jHelper {
                     appenderRef.add((String) a.get(LoggerHelper.name));
                     result.add(a);
                 }
+                info.put(LoggerHelper.blocking, ((AsyncAppender) appender).getBlocking());
                 info.put(LoggerHelper.appenderRef, appenderRef);
             }
         }
diff --git a/core/src/main/java/com/taobao/arthas/core/command/logger/LogbackHelper.java b/core/src/main/java/com/taobao/arthas/core/command/logger/LogbackHelper.java
index 53fc16f03..d860a700d 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/logger/LogbackHelper.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/logger/LogbackHelper.java
@@ -153,6 +153,7 @@ public class LogbackHelper {
                     result.add(a);
                 }
                 info.put(LoggerHelper.appenderRef, appenderRef);
+                info.put(LoggerHelper.blocking, !aa.isNeverBlock());
             } else if (appender instanceof ConsoleAppender) {
                 info.put(LoggerHelper.target, ((ConsoleAppender) appender).getTarget());
             }
diff --git a/core/src/main/java/com/taobao/arthas/core/command/logger/LoggerCommand.java b/core/src/main/java/com/taobao/arthas/core/command/logger/LoggerCommand.java
index 66a9c0ea8..7bfef8a7a 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/logger/LoggerCommand.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/logger/LoggerCommand.java
@@ -251,6 +251,9 @@ public class LoggerCommand extends AnnotatedCommand {
                         appendersTable.row(label(LoggerHelper.target),
                                         label("" + appenderInfo.get(LoggerHelper.target)));
                     }
+                    if (appenderInfo.get(LoggerHelper.blocking) != null) {
+                        appendersTable.row(label(LoggerHelper.blocking), label("" + appenderInfo.get(LoggerHelper.blocking)));
+                    }
                     if (appenderInfo.get(LoggerHelper.appenderRef) != null) {
                         appendersTable.row(label(LoggerHelper.appenderRef),
                                         label("" + appenderInfo.get(LoggerHelper.appenderRef)));
diff --git a/core/src/main/java/com/taobao/arthas/core/command/logger/LoggerHelper.java b/core/src/main/java/com/taobao/arthas/core/command/logger/LoggerHelper.java
index 78aa8ff24..e1180a08b 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/logger/LoggerHelper.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/logger/LoggerHelper.java
@@ -21,6 +21,7 @@ public interface LoggerHelper {
     // appender info
     public static final String name = "name";
     public static final String file = "file";
+    public static final String blocking = "blocking";
     // type List<String>
     public static final String appenderRef = "appenderRef";
     public static final String target = "target";