Merge pull request #38 from divebomb/master

Add: StreamServer & PacketServer
diff --git a/demo/hello/tcp/config.go b/demo/hello/tcp/config.go
index 7950ef6..7aa37bf 100644
--- a/demo/hello/tcp/config.go
+++ b/demo/hello/tcp/config.go
@@ -27,7 +27,7 @@
 )
 
 func InitialSession(session getty.Session) (err error) {
-	session.SetCompressType(getty.CompressZip)
+	//session.SetCompressType(getty.CompressZip)
 
 	tcpConn, ok := session.Conn().(*net.TCPConn)
 	if !ok {
diff --git a/getty.go b/getty.go
index 297669f..74ad21f 100644
--- a/getty.go
+++ b/getty.go
@@ -195,8 +195,21 @@
 	EndPoint
 }
 
+// Server interface
 type Server interface {
 	EndPoint
+}
+
+// StreamServer is like tcp/websocket/wss server
+type StreamServer interface {
+	Server
 	// get the network listener
 	Listener() net.Listener
 }
+
+// PacketServer is like udp listen endpoint
+type PacketServer interface {
+	Server
+	// get the network listener
+	PacketConn() net.PacketConn
+}
diff --git a/go.mod b/go.mod
index be1c736..789e8ed 100644
--- a/go.mod
+++ b/go.mod
@@ -3,13 +3,11 @@
 require (
 	github.com/dubbogo/gost v1.9.0
 	github.com/golang/snappy v0.0.1
-	github.com/gorilla/websocket v1.4.0
+	github.com/gorilla/websocket v1.4.2
 	github.com/juju/errors v0.0.0-20190930114154-d42613fe1ab9
-	github.com/pkg/errors v0.8.1
+	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.5.1
-	go.uber.org/atomic v1.4.0 // indirect
-	go.uber.org/multierr v1.1.0 // indirect
-	go.uber.org/zap v1.10.0
+	go.uber.org/zap v1.15.0
 )
 
 go 1.13
diff --git a/go.sum b/go.sum
index c6fe58c..87e1838 100644
--- a/go.sum
+++ b/go.sum
@@ -1,31 +1,71 @@
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dubbogo/gost v1.5.2 h1:ri/03971hdpnn3QeCU+4UZgnRNGDXLDGDucR/iozZm8=
 github.com/dubbogo/gost v1.5.2/go.mod h1:pPTjVyoJan3aPxBPNUX0ADkXjPibLo+/Ib0/fADXSG8=
 github.com/dubbogo/gost v1.9.0 h1:UT+dWwvLyJiDotxJERO75jB3Yxgsdy10KztR5ycxRAk=
 github.com/dubbogo/gost v1.9.0/go.mod h1:pPTjVyoJan3aPxBPNUX0ADkXjPibLo+/Ib0/fADXSG8=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
 github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
+github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/juju/errors v0.0.0-20190930114154-d42613fe1ab9 h1:hJix6idebFclqlfZCHE7EUX7uqLCyb70nHNHH1XKGBg=
 github.com/juju/errors v0.0.0-20190930114154-d42613fe1ab9/go.mod h1:W54LbzXuIE0boCoNJfwqpmkKJ1O4TCTZMetAt6jGk7Q=
+github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 go.uber.org/atomic v1.4.0 h1:cxzIVoETapQEqDhQu3QfnvXAV4AlzcvUCxkVUFw3+EU=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
+go.uber.org/atomic v1.6.0 h1:Ezj3JGmsOnG1MoRWQkPBsKLe9DwWD9QeXzTRzzldNVk=
+go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
 go.uber.org/multierr v1.1.0 h1:HoEmRHQPVSqub6w2z2d2EOVs2fjyFRGyofhKuyDq0QI=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
+go.uber.org/multierr v1.5.0 h1:KCa4XfM8CWFCpxXRGok+Q0SS/0XBhMDbHHGABQLvD2A=
+go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
+go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
 go.uber.org/zap v1.10.0 h1:ORx85nbTijNz8ljznvCMR1ZBIPKFn3jQrag10X2AsuM=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
+go.uber.org/zap v1.15.0 h1:ZZCA22JRF2gQE5FoNmhmrf7jeJJ2uhqDUNRYKm8dvmM=
+go.uber.org/zap v1.15.0/go.mod h1:Mb2vm2krFEG5DV0W9qcHBYFtp/Wku1cvYaqPsS/WYfc=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
+golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
diff --git a/server.go b/server.go
index 98d3472..0825fe7 100644
--- a/server.go
+++ b/server.go
@@ -24,8 +24,9 @@
 )
 
 import (
-	"github.com/dubbogo/gost/net"
+	gxnet "github.com/dubbogo/gost/net"
 	"github.com/gorilla/websocket"
+
 	perrors "github.com/pkg/errors"
 )
 
@@ -173,6 +174,7 @@
 	}
 
 	s.streamListener = streamListener
+	s.addr = s.streamListener.Addr().String()
 
 	return nil
 }
@@ -201,6 +203,7 @@
 	}
 
 	s.pktListener = pktListener
+	s.addr = s.pktListener.LocalAddr().String()
 
 	return nil
 }
@@ -256,7 +259,7 @@
 			}
 			client, err = s.accept(newSession)
 			if err != nil {
-				if netErr, ok := err.(net.Error); ok && netErr.Temporary() {
+				if netErr, ok := perrors.Cause(err).(net.Error); ok && netErr.Temporary() {
 					if delay == 0 {
 						delay = 5 * time.Millisecond
 					} else {
@@ -277,15 +280,23 @@
 }
 
 func (s *server) runUDPEventLoop(newSession NewSessionCallback) {
-	var (
-		ss Session
-	)
+	s.wg.Add(1)
+	go func() {
+		defer s.wg.Done()
+		var (
+			err  error
+			conn *net.UDPConn
+			ss   Session
+		)
 
-	ss = newUDPSession(s.pktListener.(*net.UDPConn), s)
-	if err := newSession(ss); err != nil {
-		panic(err.Error())
-	}
-	ss.(*session).run()
+		conn = s.pktListener.(*net.UDPConn)
+		ss = newUDPSession(conn, s)
+		if err = newSession(ss); err != nil {
+			conn.Close()
+			panic(err.Error())
+		}
+		ss.(*session).run()
+	}()
 }
 
 type wsHandler struct {
@@ -460,6 +471,10 @@
 	return s.streamListener
 }
 
+func (s *server) PacketConn() net.PacketConn {
+	return s.pktListener
+}
+
 func (s *server) Close() {
 	s.stop()
 	s.wg.Wait()
diff --git a/session.go b/session.go
index c3190e7..ad3cd69 100644
--- a/session.go
+++ b/session.go
@@ -26,6 +26,7 @@
 	gxcontext "github.com/dubbogo/gost/context"
 	gxsync "github.com/dubbogo/gost/sync"
 	gxtime "github.com/dubbogo/gost/time"
+
 	"github.com/gorilla/websocket"
 	perrors "github.com/pkg/errors"
 )
@@ -479,7 +480,7 @@
 	}
 
 	if err = s.WriteBytes(arr); err != nil {
-		return jerrors.Trace(err)
+		return perrors.WithStack(err)
 	}
 
 	num := len(pkgs) - 1
@@ -579,7 +580,7 @@
 			if udpFlag || wsFlag {
 				err = s.WritePkg(outPkg, 0)
 				if err != nil {
-					log.Errorf("%s, [session.handleLoop] = error:%+v", s.sessionToken(), err)
+					log.Errorf("%s, [session.handleLoop] = error:%+v", s.sessionToken(), perrors.WithStack(err))
 					s.stop()
 					// break LOOP
 					flag = false
@@ -592,7 +593,7 @@
 			for idx := 0; idx < maxIovecNum; idx++ {
 				pkgBytes, err = s.writer.Write(s, outPkg)
 				if err != nil {
-					log.Errorf("%s, [session.handleLoop] = error:%+v", s.sessionToken(), jerrors.ErrorStack(err))
+					log.Errorf("%s, [session.handleLoop] = error:%+v", s.sessionToken(), perrors.WithStack(err))
 					s.stop()
 					// break LOOP
 					flag = false
@@ -813,7 +814,7 @@
 	if int(s.maxMsgLen<<1) < bufLen {
 		maxBufLen = int(s.maxMsgLen << 1)
 	}
-	bufp = gxbytes.GetBytes(maxBufLen) //make([]byte, maxBufLen)
+	bufp = gxbytes.GetBytes(maxBufLen)
 	defer gxbytes.PutBytes(bufp)
 	buf = *bufp
 	for {
@@ -827,8 +828,8 @@
 			continue
 		}
 		if err != nil {
-			log.Errorf("%s, [session.handleUDPPackage] = len{%d}, error{%+s}",
-				s.sessionToken(), bufLen, err)
+			log.Errorf("%s, [session.handleUDPPackage] = len:%d, error:%+v",
+				s.sessionToken(), bufLen, perrors.WithStack(err))
 			err = perrors.Wrapf(err, "conn.read()")
 			break
 		}