From ec956e6b22c5d0ac2fed7c0580d1fc32b9202ba7 Mon Sep 17 00:00:00 2001
From: chunzhi <chunzhi233233@gmail.com>
Date: Thu, 8 Feb 2024 19:05:13 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20choose-cn-v2.sh?=
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加入延迟检测
---
 choose-cn-v2.sh | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/choose-cn-v2.sh b/choose-cn-v2.sh
index df0cd22..d67525c 100644
--- a/choose-cn-v2.sh
+++ b/choose-cn-v2.sh
@@ -23,6 +23,35 @@ dig cf.youoffer.net A +short > ip.txt
 # 创建一个新的文件 final_ips.txt
 touch final_ips.txt
 
+#延迟检测部分
+while IFS= read -r ip
+do
+    echo "Checking latency for $ip"
+    # 使用 ping 命令检查延迟
+    ping_result=$(ping -c 1 -W 1 "$ip" 2>&1)
+    ping_status=$?
+  
+    # 如果 ping 成功
+    if [ $ping_status -eq 0 ]; then
+        # 提取延迟时间
+        ping_time=$(echo "$ping_result" | grep time= | cut -d'=' -f 4 | cut -d' ' -f 1)
+    
+        # 显示延迟时间
+        echo "Latency for $ip is $ping_time ms"
+    
+        # 如果延迟时间大于 200ms
+        if (( $(echo "$ping_time > 200" | bc -l) )); then
+            echo "Latency for $ip is too high, discarding."
+            # 从 ip.txt 删除延迟时间大于 200ms 的 IP
+            sed -i "/$ip/d" ip.txt
+        fi
+    else
+        echo "Ping to $ip failed or timed out."
+        # 从 ip.txt 删除无法 ping 通的 IP
+        sed -i "/$ip/d" ip.txt
+    fi
+done < ip.txt
+
 # 读取 ip.txt 中的每个 IP 地址进行下载测试
 while IFS= read -r ip
 do