From 831a4bb2d8defecb294275f11b21c7bd8d11d249 Mon Sep 17 00:00:00 2001
From: Lanius-collaris <55432068+Lanius-collaris@users.noreply.github.com>
Date: Tue, 13 May 2025 07:26:01 +0800
Subject: [PATCH] intra/core: fix DisableKeepAlive

---
 intra/core/sockopt.go | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/intra/core/sockopt.go b/intra/core/sockopt.go
index 119571dd..350bf570 100644
--- a/intra/core/sockopt.go
+++ b/intra/core/sockopt.go
@@ -66,8 +66,17 @@ func SetTimeoutSockOpt(c MinConn, timeoutms int) bool {
 }
 
 func DisableKeepAlive(c MinConn) bool {
-	if tc, ok := c.(*net.TCPConn); ok {
-		tc.SetKeepAlive(false)
+	if sc, ok := c.(syscall.Conn); ok {
+		raw, err := sc.SyscallConn()
+		if err != nil {
+			return false
+		}
+		err = raw.Control(func(fd uintptr) {
+			syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_KEEPALIVE, 0)
+		})
+		if err != nil {
+			return false
+		}
 		return true
 	}
 	return false