remove volume server tcp client

weed/wdclient/volume_tcp_client.go

@@ -1,97 +0,0 @@
-package wdclient
-
-import (
-	"bufio"
-	"bytes"
-	"fmt"
-	"github.com/seaweedfs/seaweedfs/weed/glog"
-	"github.com/seaweedfs/seaweedfs/weed/pb"
-	"github.com/seaweedfs/seaweedfs/weed/util"
-	"github.com/seaweedfs/seaweedfs/weed/wdclient/net2"
-	"io"
-	"net"
-	"time"
-)
-
-// VolumeTcpClient put/get/delete file chunks directly on volume servers without replication
-type VolumeTcpClient struct {
-	cp net2.ConnectionPool
-}
-
-type VolumeTcpConn struct {
-	net.Conn
-	bufWriter *bufio.Writer
-	bufReader *bufio.Reader
-}
-
-func NewVolumeTcpClient() *VolumeTcpClient {
-	MaxIdleTime := 10 * time.Second
-	return &VolumeTcpClient{
-		cp: net2.NewMultiConnectionPool(net2.ConnectionOptions{
-			MaxActiveConnections: 16,
-			MaxIdleConnections:   1,
-			MaxIdleTime:          &MaxIdleTime,
-			DialMaxConcurrency:   0,
-			Dial: func(network string, address string) (net.Conn, error) {
-				conn, err := net.Dial(network, address)
-				return &VolumeTcpConn{
-					conn,
-					bufio.NewWriter(conn),
-					bufio.NewReader(conn),
-				}, err
-			},
-			NowFunc:      nil,
-			ReadTimeout:  0,
-			WriteTimeout: 0,
-		}),
-	}
-}
-func (c *VolumeTcpClient) PutFileChunk(volumeServerAddress string, fileId string, fileSize uint32, fileReader io.Reader) (err error) {
-
-	tcpAddress, parseErr := pb.ParseServerAddress(volumeServerAddress, 20000)
-	if parseErr != nil {
-		return parseErr
-	}
-
-	c.cp.Register("tcp", tcpAddress)
-	tcpConn, getErr := c.cp.Get("tcp", tcpAddress)
-	if getErr != nil {
-		return fmt.Errorf("get connection to %s: %v", tcpAddress, getErr)
-	}
-	conn := tcpConn.RawConn().(*VolumeTcpConn)
-	defer func() {
-		if err != nil {
-			tcpConn.DiscardConnection()
-		} else {
-			tcpConn.ReleaseConnection()
-		}
-	}()
-
-	buf := []byte("+" + fileId + "\n")
-	_, err = conn.bufWriter.Write([]byte(buf))
-	if err != nil {
-		return
-	}
-	util.Uint32toBytes(buf[0:4], fileSize)
-	_, err = conn.bufWriter.Write(buf[0:4])
-	if err != nil {
-		return
-	}
-	_, err = io.Copy(conn.bufWriter, fileReader)
-	if err != nil {
-		return
-	}
-	conn.bufWriter.Write([]byte("!\n"))
-	conn.bufWriter.Flush()
-
-	ret, _, err := conn.bufReader.ReadLine()
-	if err != nil {
-		glog.V(0).Infof("upload by tcp: %v", err)
-		return
-	}
-	if !bytes.HasPrefix(ret, []byte("+OK")) {
-		glog.V(0).Infof("upload by tcp: %v", string(ret))
-	}
-
-	return nil
-}