delete udp_server

client.go

@@ -66,7 +66,7 @@ func newClient(t EndPointType, opts ...ClientOption) *client {
 
 	c.init(opts...)
 
-	if t != UNCONNECTED_UDP_CLIENT && c.number <= 0 || c.addr == "" {
+	if c.number <= 0 || c.addr == "" {
 		panic(fmt.Sprintf("@connNum:%d, @serverAddr:%s", c.number, c.addr))
 	}
 
@@ -80,20 +80,9 @@ func NewTCPClient(opts ...ClientOption) Client {
 	return newClient(TCP_CLIENT, opts...)
 }
 
-// NewUdpClient function builds a udp client
+// NewUdpClient function builds a connected udp client
 func NewUDPClient(opts ...ClientOption) Client {
-	c := newClient(UNCONNECTED_UDP_CLIENT, opts...)
-
-	if len(c.addr) != 0 {
-		if c.number <= 0 {
-			panic(fmt.Sprintf("getty will build a preconected connection by @serverAddr:%s while @connNum is %d",
-				c.addr, c.number))
-		}
-
-		c.endPointType = CONNECTED_UDP_CLIENT
-	}
-
-	return c
+	return newClient(UDP_CLIENT, opts...)
 }
 
 // NewWsClient function builds a ws client.
@@ -121,7 +110,7 @@ func NewWSSClient(opts ...ClientOption) Client {
 	return c
 }
 
-func (c client) Type() EndPointType {
+func (c client) EndPointType() EndPointType {
 	return c.endPointType
 }
 
@@ -162,13 +151,9 @@ func (c *client) dialUDP() Session {
 		if c.IsClosed() {
 			return nil
 		}
-		if UNCONNECTED_UDP_CLIENT == c.endPointType {
-			conn, err = net.ListenUDP("udp", localAddr)
-		} else {
-			conn, err = net.DialUDP("udp", localAddr, peerAddr)
-			if err == nil && conn.LocalAddr().String() == conn.RemoteAddr().String() {
-				err = errSelfConnect
-			}
+		conn, err = net.DialUDP("udp", localAddr, peerAddr)
+		if err == nil && conn.LocalAddr().String() == conn.RemoteAddr().String() {
+			err = errSelfConnect
 		}
 		if err == nil {
 			return newUDPSession(conn, c.endPointType)
@@ -292,7 +277,7 @@ func (c *client) dial() Session {
 	switch c.endPointType {
 	case TCP_CLIENT:
 		return c.dialTCP()
-	case UNCONNECTED_UDP_CLIENT, CONNECTED_UDP_CLIENT:
+	case UDP_CLIENT:
 		return c.dialUDP()
 	case WS_CLIENT:
 		return c.dialWS()
@@ -378,9 +363,9 @@ func (c *client) RunEventLoop(newSession NewSessionCallback) {
 			}
 			times = 0
 			c.connect()
-			if c.endPointType == UNCONNECTED_UDP_CLIENT || c.endPointType == CONNECTED_UDP_CLIENT {
-				break
-			}
+			//if c.endPointType == UDP_CLIENT {
+			//	break
+			//}
 			// time.Sleep(c.interval) // build c.number connections asap
 		}
 	}()

conn.go

@@ -387,7 +387,7 @@ func (u *gettyUDPConn) read(p []byte) (int, *net.UDPAddr, error) {
 		}
 	}
 
-	if u.ss.Type() == CONNECTED_UDP_CLIENT {
+	if u.ss.EndPointType() == UDP_CLIENT {
 		length, err = u.conn.Read(p)
 	} else {
 		length, addr, err = u.conn.ReadFromUDP(p)
@@ -418,7 +418,7 @@ func (u *gettyUDPConn) Write(udpCtx interface{}) (int, error) {
 	if buf, ok = ctx.Pkg.([]byte); !ok {
 		return 0, fmt.Errorf("illegal @udpCtx.Pkg{%#v} type", udpCtx)
 	}
-	if u.ss.Type() == UDP_SERVER || u.ss.Type() == UNCONNECTED_UDP_CLIENT {
+	if u.ss.EndPointType() == UDP_CLIENT {
 		peerAddr = ctx.PeerAddr
 		if peerAddr == nil {
 			return 0, ErrNullPeerAddr

const.go

@@ -17,42 +17,36 @@ import (
 type EndPointType int32
 
 const (
-	CONNECTED_UDP_CLIENT   EndPointType = 0
-	UNCONNECTED_UDP_CLIENT EndPointType = 1
-	TCP_CLIENT             EndPointType = 2
-	WS_CLIENT              EndPointType = 3
-	WSS_CLIENT             EndPointType = 4
-
-	UDP_SERVER EndPointType = 6
-	TCP_SERVER EndPointType = 7
-	WS_SERVER  EndPointType = 8
-	WSS_SERVER EndPointType = 9
+	UDP_ENDPOINT EndPointType = 0
+	UDP_CLIENT   EndPointType = 1
+	TCP_CLIENT   EndPointType = 2
+	WS_CLIENT    EndPointType = 3
+	WSS_CLIENT   EndPointType = 4
+	TCP_SERVER   EndPointType = 7
+	WS_SERVER    EndPointType = 8
+	WSS_SERVER   EndPointType = 9
 )
 
 var EndPointType_name = map[int32]string{
-	0: "CONNECTED_UDP_CLIENT",
-	1: "UNCONNECTED_UDP_CLIENT",
+	0: "UDP_ENDPOINT",
+	1: "UDP_CLIENT",
 	2: "TCP_CLIENT",
 	3: "WS_CLIENT",
 	4: "WSS_CLIENT",
-
-	6: "UDP_SERVER",
 	7: "TCP_SERVER",
 	8: "WS_SERVER",
 	9: "WSS_SERVER",
 }
 
 var EndPointType_value = map[string]int32{
-	"CONNECTED_UDP_CLIENT":   0,
-	"UNCONNECTED_UDP_CLIENT": 1,
-	"TCP_CLIENT":             2,
-	"WS_CLIENT":              3,
-	"WSS_CLIENT":             4,
-
-	"UDP_SERVER": 6,
-	"TCP_SERVER": 7,
-	"WS_SERVER":  8,
-	"WSS_SERVER": 9,
+	"UDP_ENDPOINT": 0,
+	"UDP_CLIENT":   1,
+	"TCP_CLIENT":   2,
+	"WS_CLIENT":    3,
+	"WSS_CLIENT":   4,
+	"TCP_SERVER":   7,
+	"WS_SERVER":    8,
+	"WSS_SERVER":   9,
 }
 
 func (x EndPointType) String() string {

getty.go

@@ -126,7 +126,7 @@ type Session interface {
 	Stat() string
 	IsClosed() bool
 	// get endpoint type
-	Type() EndPointType
+	EndPointType() EndPointType
 
 	SetMaxMsgLen(int)
 	SetName(string)
@@ -157,7 +157,7 @@ type Session interface {
 
 type EndPoint interface {
 	// get endpoint type
-	Type() EndPointType
+	EndPointType() EndPointType
 	// run event loop and serves client request.
 	RunEventLoop(newSession NewSessionCallback)
 	// check the endpoint has been closed

server.go

@@ -75,9 +75,9 @@ func NewTCPServer(opts ...ServerOption) Server {
 	return newServer(TCP_SERVER, opts...)
 }
 
-// NewUDPServer builds a unconnected udp server.
-func NewUDPPServer(opts ...ServerOption) Server {
-	return newServer(UDP_SERVER, opts...)
+// NewUDPEndPoint builds a unconnected udp server.
+func NewUDPPEndPoint(opts ...ServerOption) Server {
+	return newServer(UDP_ENDPOINT, opts...)
 }
 
 // NewWSServer builds a websocket server.
@@ -97,7 +97,7 @@ func NewWSSServer(opts ...ServerOption) Server {
 	return s
 }
 
-func (s server) Type() EndPointType {
+func (s server) EndPointType() EndPointType {
 	return s.endPointType
 }
 
@@ -195,7 +195,7 @@ func (s *server) listen() error {
 	switch s.endPointType {
 	case TCP_SERVER, WS_SERVER, WSS_SERVER:
 		return s.listenTCP()
-	case UDP_SERVER:
+	case UDP_ENDPOINT:
 		return s.listenUDP()
 	}
 
@@ -432,7 +432,7 @@ func (s *server) RunEventLoop(newSession NewSessionCallback) {
 	switch s.endPointType {
 	case TCP_SERVER:
 		s.runTcpEventLoop(newSession)
-	case UDP_SERVER:
+	case UDP_ENDPOINT:
 		s.runUDPEventLoop(newSession)
 	case WS_SERVER:
 		s.runWSEventLoop(newSession)

session.go

@@ -77,7 +77,7 @@ type session struct {
 }
 
 func newSession(endPointType EndPointType, conn Connection) *session {
-	session := &session{
+	ss := &session{
 		name:         defaultSessionName,
 		endPointType: endPointType,
 		maxMsgLen:    maxReadBufLen,
@@ -88,11 +88,11 @@ func newSession(endPointType EndPointType, conn Connection) *session {
 		attrs:        gxcontext.NewValuesContext(nil),
 	}
 
-	session.Connection.setSession(session)
-	session.SetWriteTimeout(netIOTimeout)
-	session.SetReadTimeout(netIOTimeout)
+	ss.Connection.setSession(ss)
+	ss.SetWriteTimeout(netIOTimeout)
+	ss.SetReadTimeout(netIOTimeout)
 
-	return session
+	return ss
 }
 
 func newTCPSession(conn net.Conn, endPointType EndPointType) Session {
@@ -150,7 +150,7 @@ func (s *session) Conn() net.Conn {
 	return nil
 }
 
-func (s *session) Type() EndPointType {
+func (s *session) EndPointType() EndPointType {
 	return s.endPointType
 }