ing

socket/compression-handler.go

@@ -1,58 +0,0 @@
-package socket
-
-import (
-	"errors"
-	"sync/atomic"
-
-	"git.loafle.net/commons/server-go"
-)
-
-type CompressionHandler interface {
-	IsEnableCompression() bool
-	GetCompressionLevel() int
-	GetCompressionThreshold() int
-}
-
-type CompressionHandlers struct {
-	EnableCompression    bool `json:"enableCompression,omitempty"`
-	CompressionLevel     int  `json:"compressionLevel,omitempty"`
-	CompressionThreshold int  `json:"compressionThreshold,omitempty"`
-
-	validated atomic.Value
-}
-
-func (ch *CompressionHandlers) IsEnableCompression() bool {
-	return ch.EnableCompression
-}
-func (ch *CompressionHandlers) GetCompressionLevel() int {
-	return ch.CompressionLevel
-}
-func (ch *CompressionHandlers) GetCompressionThreshold() int {
-	return ch.CompressionThreshold
-}
-
-func (ch *CompressionHandlers) Clone() *CompressionHandlers {
-	return &CompressionHandlers{
-		EnableCompression:    ch.EnableCompression,
-		CompressionLevel:     ch.CompressionLevel,
-		CompressionThreshold: ch.CompressionThreshold,
-		validated:            ch.validated,
-	}
-}
-
-func (ch *CompressionHandlers) Validate() error {
-	if nil != ch.validated.Load() {
-		return nil
-	}
-	ch.validated.Store(true)
-
-	if !IsValidCompressionLevel(ch.CompressionLevel) {
-		return errors.New("Socket: invalid compression level")
-	}
-
-	if ch.CompressionThreshold <= 0 {
-		ch.CompressionThreshold = server.DefaultCompressionThreshold
-	}
-
-	return nil
-}

socket/conn-json.go

@@ -19,7 +19,7 @@ func WriteJSON(c *SocketConn, v interface{}) error {
 // See the documentation for encoding/json Marshal for details about the
 // conversion of Go values to JSON.
 func (c *SocketConn) WriteJSON(v interface{}) error {
-	w, err := c.NextWriter(TextMessage, true)
+	w, err := c.NextWriter(TextMessage)
 	if err != nil {
 		return err
 	}

socket/conn-prepared.go

@@ -25,7 +25,6 @@ type prepareKey struct {
 	isServer         bool
 	compress         bool
 	compressionLevel int
-	compressionThreshold int
 }
 
 // preparedFrame contains data in wire representation.
@@ -79,7 +78,6 @@ func (pm *PreparedMessage) frame(key prepareKey) (int, []byte, error) {
 			mu:                     mu,
 			isServer:               key.isServer,
 			compressionLevel:       key.compressionLevel,
-			compressionThreshold:   key.compressionThreshold,
 			enableWriteCompression: true,
 			writeBuf:               make([]byte, defaultWriteBufferSize+maxFrameHeaderSize),
 		}

socket/conn.go

@@ -126,7 +126,7 @@ type Conn interface {
 	EnableWriteCompression(enable bool)
 	LocalAddr() net.Addr
 	NextReader() (messageType int, r io.Reader, err error)
-	NextWriter(messageType int, useCompress bool) (io.WriteCloser, error)
+	NextWriter(messageType int) (io.WriteCloser, error)
 	PingHandler() func(appData string) error
 	PongHandler() func(appData string) error
 	ReadJSON(v interface{}) error
@@ -134,7 +134,6 @@ type Conn interface {
 	RemoteAddr() net.Addr
 	SetCloseHandler(h func(code int, text string) error)
 	SetCompressionLevel(level int) error
-	SetCompressionThreshold(threshold int)
 	SetPingHandler(h func(appData string) error)
 	SetPongHandler(h func(appData string) error)
 	SetReadDeadline(t time.Time) error
@@ -167,7 +166,6 @@ type SocketConn struct {
 
 	enableWriteCompression bool
 	compressionLevel       int
-	compressionThreshold   int
 	newCompressionWriter   func(io.WriteCloser, int) io.WriteCloser
 
 	// Read fields
@@ -257,7 +255,6 @@ func newConnBRW(conn net.Conn, isServer bool, readBufferSize, writeBufferSize in
 		writeBuf:               writeBuf,
 		enableWriteCompression: true,
 		compressionLevel:       defaultCompressionLevel,
-		compressionThreshold:   defaultCompressionThreshold,
 	}
 	c.SetCloseHandler(nil)
 	c.SetPingHandler(nil)
@@ -445,7 +442,7 @@ func (c *SocketConn) prepWrite(messageType int) error {
 //
 // There can be at most one open writer on a connection. NextWriter closes the
 // previous writer if the application has not already done so.
-func (c *SocketConn) NextWriter(messageType int, useCompress bool) (io.WriteCloser, error) {
+func (c *SocketConn) NextWriter(messageType int) (io.WriteCloser, error) {
 	if err := c.prepWrite(messageType); err != nil {
 		return nil, err
 	}
@@ -456,7 +453,7 @@ func (c *SocketConn) NextWriter(messageType int, useCompress bool) (io.WriteClos
 		pos:       maxFrameHeaderSize,
 	}
 	c.writer = mw
-	if useCompress && c.newCompressionWriter != nil && c.enableWriteCompression && isData(messageType) {
+	if c.newCompressionWriter != nil && c.enableWriteCompression && isData(messageType) {
 		w := c.newCompressionWriter(c.writer, c.compressionLevel)
 		mw.compress = true
 		c.writer = w
@@ -670,7 +667,6 @@ func (c *SocketConn) WritePreparedMessage(pm *PreparedMessage) error {
 		isServer:         c.isServer,
 		compress:         c.newCompressionWriter != nil && c.enableWriteCompression && isData(pm.messageType),
 		compressionLevel: c.compressionLevel,
-		compressionThreshold: c.compressionThreshold,
 	})
 	if err != nil {
 		return err
@@ -704,43 +700,7 @@ func (c *SocketConn) WriteMessage(messageType int, data []byte) error {
 		return mw.flushFrame(true, data)
 	}
 
-	w, err := c.NextWriter(messageType, false)
+	w, err := c.NextWriter(messageType)
-	if err != nil {
-		return err
-	}
-	if _, err = w.Write(data); err != nil {
-		return err
-	}
-	return w.Close()
-}
-
-// WriteMessage is a helper method for getting a writer using NextWriter,
-// writing the message and closing the writer.
-func (c *SocketConn) WriteCompress(messageType int, data []byte) error {
-
-	if c.isServer && (c.newCompressionWriter == nil || !c.enableWriteCompression || len(data) <= c.compressionThreshold) {
-		// Fast path with no allocations and single frame.
-
-		if err := c.prepWrite(messageType); err != nil {
-			return err
-		}
-		mw := messageWriter{c: c, frameType: messageType, pos: maxFrameHeaderSize}
-		n := copy(c.writeBuf[mw.pos:], data)
-		mw.pos += n
-		data = data[n:]
-		return mw.flushFrame(true, data)
-	}
-
-	var w io.WriteCloser
-	var err error
-	length := len(data)
-	switch {
-	case length > c.compressionThreshold:
-		w, err = c.NextWriter(messageType, true)
-	default:
-		w, err = c.NextWriter(messageType, false)
-	}
-
 	if err != nil {
 		return err
 	}
@@ -1138,10 +1098,6 @@ func (c *SocketConn) SetCompressionLevel(level int) error {
 	return nil
 }
 
-func (c *SocketConn) SetCompressionThreshold(threshold int) {
-	c.compressionThreshold = threshold
-}
-
 // FormatCloseMessage formats closeCode and text as a WebSocket close message.
 func FormatCloseMessage(closeCode int, text string) []byte {
 	buf := make([]byte, 2+len(text))

socket/readwrite-handler.go

@@ -1,6 +1,7 @@
 package socket
 
 import (
+	"errors"
 	"sync/atomic"
 	"time"
 
@@ -12,6 +13,9 @@ type ReadWriteHandler interface {
 	GetPongTimeout() time.Duration
 	GetPingTimeout() time.Duration
 	GetPingPeriod() time.Duration
+
+	IsEnableCompression() bool
+	GetCompressionLevel() int
 }
 
 type ReadWriteHandlers struct {
@@ -21,6 +25,9 @@ type ReadWriteHandlers struct {
 	PingTimeout time.Duration `json:"pingTimeout,omitempty"`
 	PingPeriod  time.Duration `json:"pingPeriod,omitempty"`
 
+	EnableCompression bool `json:"enableCompression,omitempty"`
+	CompressionLevel  int  `json:"compressionLevel,omitempty"`
+
 	validated atomic.Value
 }
 
@@ -34,12 +41,21 @@ func (rwh *ReadWriteHandlers) GetPingPeriod() time.Duration {
 	return rwh.PingPeriod
 }
 
+func (rwh *ReadWriteHandlers) IsEnableCompression() bool {
+	return rwh.EnableCompression
+}
+func (rwh *ReadWriteHandlers) GetCompressionLevel() int {
+	return rwh.CompressionLevel
+}
+
 func (rwh *ReadWriteHandlers) Clone() *ReadWriteHandlers {
 	return &ReadWriteHandlers{
 		ReadWriteHandlers: *rwh.ReadWriteHandlers.Clone(),
 		PongTimeout:       rwh.PongTimeout,
 		PingTimeout:       rwh.PingTimeout,
 		PingPeriod:        rwh.PingPeriod,
+		EnableCompression: rwh.EnableCompression,
+		CompressionLevel:  rwh.CompressionLevel,
 		validated:         rwh.validated,
 	}
 }
@@ -71,5 +87,11 @@ func (rwh *ReadWriteHandlers) Validate() error {
 		rwh.PingPeriod = rwh.PingPeriod * time.Second
 	}
 
+	if rwh.EnableCompression {
+		if !IsValidCompressionLevel(rwh.CompressionLevel) {
+			return errors.New("Socket: invalid compression level")
+		}
+	}
+
 	return nil
 }

socket/server-handler.go

@@ -9,13 +9,11 @@ import (
 type ServerHandler interface {
 	server.ServerHandler
 	ReadWriteHandler
-	CompressionHandler
 }
 
 type ServerHandlers struct {
 	server.ServerHandlers
 	ReadWriteHandlers
-	CompressionHandlers
 
 	validated atomic.Value
 }
@@ -32,9 +30,6 @@ func (sh *ServerHandlers) Validate() error {
 	if err := sh.ReadWriteHandlers.Validate(); nil != err {
 		return err
 	}
-	if err := sh.CompressionHandlers.Validate(); nil != err {
-		return err
-	}
 
 	return nil
 }

socket/web/server.go

@@ -64,7 +64,6 @@ func (s *Server) ListenAndServe() error {
 		Error:             s.onError,
 		EnableCompression: s.ServerHandler.IsEnableCompression(),
 		CompressionLevel:  s.ServerHandler.GetCompressionLevel(),
-		CompressionThreshold: s.ServerHandler.GetCompressionThreshold(),
 	}
 
 	if err = s.ServerHandler.Init(s.ctx); nil != err {

socket/web/upgrade.go

@@ -58,9 +58,7 @@ type Upgrader struct {
 	// guarantee that compression will be supported. Currently only "no context
 	// takeover" modes are supported.
 	EnableCompression bool
-
 	CompressionLevel  int
-	CompressionThreshold int
 }
 
 func (u *Upgrader) returnError(ctx *fasthttp.RequestCtx, status int, reason string) (*socket.SocketConn, error) {
@@ -199,7 +197,6 @@ func (u *Upgrader) Upgrade(ctx *fasthttp.RequestCtx, responseHeader *fasthttp.Re
 		c.SetSubprotocol(subprotocol)
 		if compress {
 			c.SetCompressionLevel(u.CompressionLevel)
-			c.SetCompressionThreshold(u.CompressionThreshold)
 			c.SetNewCompressionWriter(socket.CompressNoContextTakeover)
 			c.SetNewDecompressionReader(socket.DecompressNoContextTakeover)
 		}