From b1ce4d421519e431fc8519d3017000e5a7233d9b Mon Sep 17 00:00:00 2001
From: Andy Pan <andypan@amazon.com>
Date: Mon, 23 Sep 2019 11:02:57 +0800
Subject: [PATCH] Optimize eventloop read/write and deprecate eviop

---
 README.md    |  1 -
 README_ZH.md |  3 +--
 eventloop.go | 16 +++-------------
 3 files changed, 4 insertions(+), 16 deletions(-)

diff --git a/README.md b/README.md
index e4a02a7f8..863025bca 100644
--- a/README.md
+++ b/README.md
@@ -273,7 +273,6 @@ Source code in `gnet` is available under the MIT [License](/LICENSE).
 - [evio](https://github.com/tidwall/evio)
 - [go-disruptor](https://github.com/smartystreets-prototypes/go-disruptor)
 - [ants](https://github.com/panjf2000/ants)
-- [eviop](https://github.com/Allenxuxu/eviop)
 
 # Relevant Articles
 
diff --git a/README_ZH.md b/README_ZH.md
index 79ecbdac9..ff2558a09 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -264,12 +264,11 @@ Go Version : go version go1.12.9 darwin/amd64
 
 `gnet` 的源码允许用户在遵循 MIT [开源证书](/LICENSE) 规则的前提下使用。
 
-# 鸣谢
+# 致谢
 
 - [evio](https://github.com/tidwall/evio)
 - [go-disruptor](https://github.com/smartystreets-prototypes/go-disruptor)
 - [ants](https://github.com/panjf2000/ants)
-- [eviop](https://github.com/Allenxuxu/eviop)
 
 # 相关文章
 
diff --git a/eventloop.go b/eventloop.go
index a745fb1d4..1de751c31 100644
--- a/eventloop.go
+++ b/eventloop.go
@@ -207,8 +207,8 @@ func (l *loop) loopWrite(svr *server, conn *conn) error {
 		svr.events.PreWrite()
 	}
 
-	top, tail := conn.outBuf.PreReadAll()
-	n, err := unix.Write(conn.fd, top)
+	out := conn.outBuf.Bytes()
+	n, err := unix.Write(conn.fd, out)
 	if err != nil {
 		if err == unix.EAGAIN {
 			return nil
@@ -216,17 +216,7 @@ func (l *loop) loopWrite(svr *server, conn *conn) error {
 		return l.loopCloseConn(svr, conn, err)
 	}
 	conn.outBuf.Advance(n)
-
-	if len(top) == n && len(tail) > 0 {
-		n, err := unix.Write(conn.fd, tail)
-		if err != nil {
-			if err == unix.EAGAIN {
-				return nil
-			}
-			return l.loopCloseConn(svr, conn, err)
-		}
-		conn.outBuf.Advance(n)
-	}
+	ringbuffer.Recycle(out)
 
 	if conn.outBuf.Length() == 0 {
 		l.poller.ModRead(conn.fd)