1 files changed, 0 insertions, 103 deletions
diff --git a/vendor/github.com/gorilla/websocket/prepared.go b/vendor/github.com/gorilla/websocket/prepared.go
deleted file mode 100644
index 1efffbd1e..000000000
--- a/vendor/github.com/gorilla/websocket/prepared.go
+++ /dev/null
@@ -1,103 +0,0 @@
-// Copyright 2017 The Gorilla WebSocket Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package websocket
-
-import (
-	"bytes"
-	"net"
-	"sync"
-	"time"
-)
-
-// PreparedMessage caches on the wire representations of a message payload.
-// Use PreparedMessage to efficiently send a message payload to multiple
-// connections. PreparedMessage is especially useful when compression is used
-// because the CPU and memory expensive compression operation can be executed
-// once for a given set of compression options.
-type PreparedMessage struct {
-	messageType int
-	data        []byte
-	err         error
-	mu          sync.Mutex
-	frames      map[prepareKey]*preparedFrame
-}
-
-// prepareKey defines a unique set of options to cache prepared frames in PreparedMessage.
-type prepareKey struct {
-	isServer         bool
-	compress         bool
-	compressionLevel int
-}
-
-// preparedFrame contains data in wire representation.
-type preparedFrame struct {
-	once sync.Once
-	data []byte
-}
-
-// NewPreparedMessage returns an initialized PreparedMessage. You can then send
-// it to connection using WritePreparedMessage method. Valid wire
-// representation will be calculated lazily only once for a set of current
-// connection options.
-func NewPreparedMessage(messageType int, data []byte) (*PreparedMessage, error) {
-	pm := &PreparedMessage{
-		messageType: messageType,
-		frames:      make(map[prepareKey]*preparedFrame),
-		data:        data,
-	}
-
-	// Prepare a plain server frame.
-	_, frameData, err := pm.frame(prepareKey{isServer: true, compress: false})
-	if err != nil {
-		return nil, err
-	}
-
-	// To protect against caller modifying the data argument, remember the data
-	// copied to the plain server frame.
-	pm.data = frameData[len(frameData)-len(data):]
-	return pm, nil
-}
-
-func (pm *PreparedMessage) frame(key prepareKey) (int, []byte, error) {
-	pm.mu.Lock()
-	frame, ok := pm.frames[key]
-	if !ok {
-		frame = &preparedFrame{}
-		pm.frames[key] = frame
-	}
-	pm.mu.Unlock()
-
-	var err error
-	frame.once.Do(func() {
-		// Prepare a frame using a 'fake' connection.
-		// TODO: Refactor code in conn.go to allow more direct construction of
-		// the frame.
-		mu := make(chan bool, 1)
-		mu <- true
-		var nc prepareConn
-		c := &Conn{
-			conn:                   &nc,
-			mu:                     mu,
-			isServer:               key.isServer,
-			compressionLevel:       key.compressionLevel,
-			enableWriteCompression: true,
-			writeBuf:               make([]byte, defaultWriteBufferSize+maxFrameHeaderSize),
-		}
-		if key.compress {
-			c.newCompressionWriter = compressNoContextTakeover
-		}
-		err = c.WriteMessage(pm.messageType, pm.data)
-		frame.data = nc.buf.Bytes()
-	})
-	return pm.messageType, frame.data, err
-}
-
-type prepareConn struct {
-	buf bytes.Buffer
-	net.Conn
-}
-
-func (pc *prepareConn) Write(p []byte) (int, error)        { return pc.buf.Write(p) }
-func (pc *prepareConn) SetWriteDeadline(t time.Time) error { return nil }