From 9b763080c80a321b1c081a38f93ed18c67556d7c Mon Sep 17 00:00:00 2001
From: skyjiang <470623352@qq.com>
Date: Wed, 28 Feb 2024 09:54:23 +0800
Subject: [PATCH] enrich the information returned by toString() of Connection

---
 .../java/redis/clients/jedis/Connection.java  | 40 ++++++++++++++++++-
 1 file changed, 39 insertions(+), 1 deletion(-)

diff --git a/src/main/java/redis/clients/jedis/Connection.java b/src/main/java/redis/clients/jedis/Connection.java
index 50243e20d7e..f2604b6b0b6 100644
--- a/src/main/java/redis/clients/jedis/Connection.java
+++ b/src/main/java/redis/clients/jedis/Connection.java
@@ -5,6 +5,7 @@
 import java.io.Closeable;
 import java.io.IOException;
 import java.net.Socket;
+import java.net.SocketAddress;
 import java.net.SocketException;
 import java.nio.ByteBuffer;
 import java.nio.CharBuffer;
@@ -37,6 +38,8 @@ public class Connection implements Closeable {
   private int soTimeout = 0;
   private int infiniteSoTimeout = 0;
   private boolean broken = false;
+  private boolean strValActive;
+  private String strVal;
 
   public Connection() {
     this(Protocol.DEFAULT_HOST, Protocol.DEFAULT_PORT);
@@ -69,7 +72,42 @@ public Connection(final JedisSocketFactory socketFactory, JedisClientConfig clie
 
   @Override
   public String toString() {
-    return "Connection{" + socketFactory + "}";
+    if (strValActive == broken && strVal != null) {
+      return strVal;
+    }
+
+    int id = hashCode();
+    SocketAddress remoteAddr = socket.getRemoteSocketAddress();
+    SocketAddress localAddr = socket.getLocalSocketAddress();
+    if (remoteAddr != null) {
+      StringBuilder buf = new StringBuilder(96)
+          .append("[id: 0x")
+          .append(id)
+          .append(", L:")
+          .append(localAddr)
+          .append(broken? " ! " : " - ")
+          .append("R:")
+          .append(remoteAddr)
+          .append(']');
+      strVal = buf.toString();
+    } else if (localAddr != null) {
+      StringBuilder buf = new StringBuilder(64)
+          .append("[id: 0x")
+          .append(id)
+          .append(", L:")
+          .append(localAddr)
+          .append(']');
+      strVal = buf.toString();
+    } else {
+      StringBuilder buf = new StringBuilder(16)
+          .append("[id: 0x")
+          .append(id)
+          .append(']');
+      strVal = buf.toString();
+    }
+
+    strValActive = broken;
+    return strVal;
   }
 
   public final RedisProtocol getRedisProtocol() {