defeat self connection

README.md

@@ -10,6 +10,13 @@
 
 ## develop history ##
 ---
+
+- 2016/09/09
+	> 1 add defeat self connection logic in client.go & server.go
+    >
+    > 2 version: 0.3.08
+
+
 - 2016/09/09
 	> 1 delete session.go:(Session)readerDone
     >

client.go

@@ -73,6 +73,9 @@ func (this *Client) dial() net.Conn {
 			return nil
 		}
 		conn, err = net.DialTimeout("tcp", this.addr, connectTimeout)
+		if err == nil && conn.LocalAddr().String() == conn.RemoteAddr().String() {
+			err = errSelfConnect
+		}
 		if err == nil {
 			return conn
 		}

server.go

@@ -20,6 +20,10 @@ import (
 	log "github.com/AlexStocks/log4go"
 )
 
+var (
+	errSelfConnect = errors.New("connect self!")
+)
+
 type Server struct {
 	// net
 	addr     string
@@ -107,7 +111,7 @@ func (this *Server) RunEventloop(newSession NewSessionCallback) {
 					}
 					continue
 				}
-				log.Info("Server{%s}.Accept() = err {%#v}", this.addr, err)
+				log.Warn("Server{%s}.Accept() = err {%#v}", this.addr, err)
 				continue
 			}
 			delay = 0
@@ -125,6 +129,9 @@ func (this *Server) Accept(newSession NewSessionCallback) (*Session, error) {
 	if err != nil {
 		return nil, err
 	}
+	if conn.RemoteAddr().String() == conn.LocalAddr().String() {
+		return nil, errSelfConnect
+	}
 
 	session := NewSession(conn)
 	err = newSession(session)

version.go

@@ -10,5 +10,5 @@
 package getty
 
 var (
-	Version = "0.3.07"
+	Version = "0.3.08"
 )