add (server)Listen

README.md

@@ -9,6 +9,10 @@
 
 ## develop history ##
 ---
+- 2016/09/04
+	> 1 add server.go:(Server)Listen
+	>
+    > 2 version: 0.3.02
     
 - 2016/09/03
 	> 1 modify return value of session.go:(Session)Close from void to error
@@ -17,9 +21,9 @@
 	>
     > 3 session.go:Session{*gettyConn, readDeadline, writeDeadline} -> session.go:Session{gettyConn, rDeadline, wDeadline}
 	>
-    > 4 session.go:(Session)Reset
+    > 4 add session.go:(Session)Reset
     >
-    > 5 session.go:(Session)SetConn
+    > 5 add session.go:(Session)SetConn
     >
     > 6 add elastic sleep time machanism in client.go:(Client)RunEventLoop
     >

server.go

@@ -22,8 +22,7 @@ import (
 
 type Server struct {
 	// net
-	host     string
-	port     int
+	addr     string
 	listener net.Listener
 
 	sync.Once
@@ -58,17 +57,21 @@ func (this *Server) IsClosed() bool {
 	}
 }
 
+// (Server)Bind's functionality is equal to (Server)Listen.
 func (this *Server) Bind(network string, host string, port int) error {
 	if port <= 0 {
 		return errors.New("port<=0 illegal")
 	}
 
-	this.host = host
-	this.port = port
-	listener, err := net.Listen(network, HostAddress(host, port))
+	return this.Listen(network, HostAddress(host, port))
+}
+
+func (this *Server) Listen(network string, addr string) error {
+	listener, err := net.Listen(network, addr)
 	if err != nil {
 		return err
 	}
+	this.addr = addr
 	this.listener = listener
 
 	return nil
@@ -85,7 +88,7 @@ func (this *Server) RunEventloop(newSession SessionCallback) {
 		)
 		for {
 			if this.IsClosed() {
-				log.Warn("Server{%s:%d} stop acceptting client connect request.", this.host, this.port)
+				log.Warn("Server{%s} stop acceptting client connect request.", this.addr)
 				return
 			}
 			if delay != 0 {
@@ -104,7 +107,7 @@ func (this *Server) RunEventloop(newSession SessionCallback) {
 					}
 					continue
 				}
-				log.Info("Server{%s:%d}.Accept() = err {%+v}", this.host, this.port, err)
+				log.Info("Server{%s}.Accept() = err {%#v}", this.addr, err)
 				continue
 			}
 			delay = 0

utils.go

@@ -16,6 +16,7 @@ import (
 	"strconv"
 )
 
+// HostAddress composes a ip:port style address. Its opposite function is net.SplitHostPort.
 func HostAddress(host string, port int) string {
 	return net.JoinHostPort(host, strconv.Itoa(port))
 }