From 0dac3c9fa21749d3e2a484d4a8b7a3457001d773 Mon Sep 17 00:00:00 2001
From: dustoair <107600816+dustoair@users.noreply.github.com>
Date: Thu, 18 Aug 2022 09:58:52 +0800
Subject: [PATCH] read ip4 10.0.20.12->103.97.129.254: i/o timeout

---
 goping/goping.go | 31 ++++++++++++++++++++-----------
 1 file changed, 20 insertions(+), 11 deletions(-)

diff --git a/goping/goping.go b/goping/goping.go
index d311f69..bacc54e 100644
--- a/goping/goping.go
+++ b/goping/goping.go
@@ -119,23 +119,32 @@ func Ping(domain string, PS int) {
 	yellow := color.New(color.FgYellow).SprintFunc()
 	for {
 		/*
-			向目标地址发送二进制报文包
-			如果发送失败就丢包 ++
+				向目标地址发送二进制报文包
+				如果发送失败就丢包 ++
+			这种判断其实不必要 发包一定可以 error返回一定是nil
 		*/
-		index, err := conn.Write(buffer.Bytes())
-		if err != nil {
-			//这种判断其实不必要 发包一定可以 error返回一定是nil
-			fmt.Printf("%s\n", red("timeout", index))
-			dropPack++
-			time.Sleep(time.Second)
-			continue
-		}
+		//index, err := conn.Write(buffer.Bytes())
+		//if err != nil {
+		//	//这种判断其实不必要 发包一定可以 error返回一定是nil
+		//	fmt.Printf("%s\n", red("timeout", index))
+		//	dropPack++
+		//	time.Sleep(time.Second)
+		//	continue
+		//}
 
 		// 否则记录当前得时间
 		t_start := time.Now()
 		conn.SetReadDeadline((time.Now().Add(time.Second * 3)))
 		len, err := conn.Read(recv)
-		fmt.Println(len, err)
+		//strings.Contains(err.Error(), "timeout")
+		//超时状态 len=0 error包含 read ip4 10.0.20.12->103.97.129.254: i/o timeout
+		if len == 0 && err != nil {
+			fmt.Printf("%s\n", red("timeout"))
+			dropPack++
+			time.Sleep(time.Second)
+			continue
+		}
+
 		/*
 			查目标地址是否返回失败
 			如果返回失败则丢包 ++