From a8f0b8f39b03068426555b667e656430ef5a50c5 Mon Sep 17 00:00:00 2001
From: fangdingjun <fangdingjun@szchuzhong.com>
Date: Tue, 24 Jul 2018 11:29:44 +0800
Subject: [PATCH] return 0 on pull function when read error

0 indicates connection termination
---
 tls.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tls.go b/tls.go
index 900fafc..5cfc3cb 100644
--- a/tls.go
+++ b/tls.go
@@ -384,7 +384,8 @@ func onDataReadCallback(d unsafe.Pointer, cbuf *C.char, bufLen C.int) C.int {
 	n, err := conn.c.Read(buf)
 	if err != nil {
 		log.Println(err)
-		return -1
+		// 0 indicates connection termination
+		return 0
 	}
 	//cbuf2 := C.CBytes(buf[:n])
 	// d := C.CString(string(buf[:n]))