compiles, but fail to send

go.mod

@@ -99,6 +99,7 @@ require (
 	gopkg.in/jcmturner/goidentity.v3 v3.0.0 // indirect
 	gopkg.in/jcmturner/gokrb5.v7 v7.3.0 // indirect
 	gopkg.in/karlseguin/expect.v1 v1.0.1 // indirect
+	pack.ag/tftp v1.0.0 // indirect
 )
 
 // replace github.com/seaweedfs/fuse => /Users/chris/go/src/github.com/seaweedfs/fuse

go.sum

@@ -1243,6 +1243,8 @@ modernc.org/mathutil v1.1.1/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6
 modernc.org/strutil v1.1.0 h1:+1/yCzZxY2pZwwrsbH+4T7BQMoLQ9QiBshRC9eicYsc=
 modernc.org/strutil v1.1.0/go.mod h1:lstksw84oURvj9y3tn8lGvRxyRC1S2+g5uuIzNfIOBs=
 pack.ag/amqp v0.11.2/go.mod h1:4/cbmt4EJXSKlG6LCfWHoqmN0uFdy5i/+YFz+fTfhV4=
+pack.ag/tftp v1.0.0 h1:q7iP8mKRtqTAWfxbQ4XY5/flZ5JmuThvrEmHPn8cN9A=
+pack.ag/tftp v1.0.0/go.mod h1:N1Pyo5YG+K90XHoR2vfLPhpRuE8ziqbgMn/r/SghZas=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

weed/command/volume.go

@@ -29,7 +29,7 @@ import (
 	stats_collect "github.com/chrislusf/seaweedfs/weed/stats"
 	"github.com/chrislusf/seaweedfs/weed/storage"
 	"github.com/chrislusf/seaweedfs/weed/util"
-	"github.com/pin/tftp"
+	"pack.ag/tftp"
 )
 
 var (
@@ -398,11 +398,16 @@ func (v VolumeServerOptions) startTcpService(volumeServer *weed_server.VolumeSer
 }
 
 func (v VolumeServerOptions) startUdpService(volumeServer *weed_server.VolumeServer) {
-	tftpServer := tftp.NewServer(volumeServer.UdpReadHandler, volumeServer.UdpWriteHandler)
 	listeningAddress := *v.bindIp + ":" + strconv.Itoa(*v.port+20001)
+	tftpServer, err := tftp.NewServer(listeningAddress)
+	if err != nil {
+		glog.Fatalf("Volume server listen on %s:%v", listeningAddress, err)
+	}
+	tftpServer.WriteHandler(volumeServer)
+	tftpServer.ReadHandler(volumeServer)
 
 	glog.V(0).Infoln("Start Seaweed volume server", util.Version(), "UDP at", listeningAddress)
-	if e:= tftpServer.ListenAndServe(listeningAddress); e != nil {
+	if e:= tftpServer.ListenAndServe(); e != nil {
 		glog.Fatalf("Volume server UDP on %s:%v", listeningAddress, e)
 	}
 }

weed/server/volume_server_udp_handlers.go

@@ -1,16 +1,18 @@
 package weed_server
 
 import (
-	"bytes"
-	"fmt"
-	"io"
+	"github.com/chrislusf/seaweedfs/weed/glog"
+	"pack.ag/tftp"
 )
 
-func (vs *VolumeServer) UdpReadHandler(filename string, rf io.ReaderFrom) error {
+func (vs *VolumeServer) ServeTFTP(r tftp.ReadRequest) {
+
+	filename := r.Name()
 
 	volumeId, n, err := vs.parseFileId(filename)
 	if err != nil {
-		return err
+		glog.Errorf("parse file id %s: %v", filename, err)
+		return
 	}
 
 	hasVolume := vs.store.HasVolume(volumeId)
@@ -18,48 +20,59 @@ func (vs *VolumeServer) UdpReadHandler(filename string, rf io.ReaderFrom) error
 
 	if hasVolume {
 		if _, err = vs.store.ReadVolumeNeedle(volumeId, n, nil); err != nil {
-			return err
+			glog.Errorf("ReadVolumeNeedle %s: %v", filename, err)
+			return
 		}
 	}
 	if hasEcVolume {
 		if _, err = vs.store.ReadEcShardNeedle(volumeId, n); err != nil {
-			return err
+			glog.Errorf("ReadEcShardNeedle %s: %v", filename, err)
+			return
 		}
 	}
 
-	if _, err = rf.ReadFrom(bytes.NewBuffer(n.Data)); err != nil {
-		return err
+	if _, err = r.Write(n.Data); err != nil {
+		glog.Errorf("UDP Write data %s: %v", filename, err)
+		return
 	}
 
-	return nil
 }
 
-func (vs *VolumeServer) UdpWriteHandler(filename string, wt io.WriterTo) error {
+func (vs *VolumeServer) ReceiveTFTP(w tftp.WriteRequest) {
+
+	filename := w.Name()
+
+	// Get the file size
+	size, err := w.Size()
+
+	// Note: The size value is sent by the client, the client could send more data than
+	// it indicated in the size option. To be safe we'd want to allocate a buffer
+	// with the size we're expecting and use w.Read(buf) rather than ioutil.ReadAll.
 
 	if filename[0] == '-' {
-		return vs.handleTcpDelete(filename[1:])
+		err = vs.handleTcpDelete(filename[1:])
+		if err != nil {
+			glog.Errorf("handleTcpDelete %s: %v", filename, err)
+			return
+		}
 	}
 
 	volumeId, n, err := vs.parseFileId(filename)
 	if err != nil {
-		return err
+		glog.Errorf("parse file id %s: %v", filename, err)
+		return
 	}
 
 	volume := vs.store.GetVolume(volumeId)
 	if volume == nil {
-		return fmt.Errorf("volume %d not found", volumeId)
-	}
-
-	var buf bytes.Buffer
-	written, err := wt.WriteTo(&buf)
-	if err != nil {
-		return err
+		glog.Errorf("volume %d not found", volumeId)
+		return
 	}
 
-	err = volume.StreamWrite(n, &buf, uint32(written))
+	err = volume.StreamWrite(n, w, uint32(size))
 	if err != nil {
-		return err
+		glog.Errorf("StreamWrite %s: %v", filename, err)
+		return
 	}
 
-	return nil
 }

weed/wdclient/volume_udp_client.go

@@ -1,14 +1,14 @@
 package wdclient
 
 import (
+	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb"
-	"github.com/pin/tftp"
+	"pack.ag/tftp"
 	"io"
 )
 
 // VolumeTcpClient put/get/delete file chunks directly on volume servers without replication
 type VolumeUdpClient struct {
-	udpClient *tftp.Client
 }
 
 func NewVolumeUdpClient() *VolumeUdpClient {
@@ -23,18 +23,13 @@ func (c *VolumeUdpClient) PutFileChunk(volumeServerAddress string, fileId string
 		return parseErr
 	}
 
-	if c.udpClient == nil {
-		c.udpClient, err = tftp.NewClient(udpAddress)
-		if err != nil {
-			return
-		}
-	}
-	rf, err := c.udpClient.Send(fileId, "octet")
-	if err != nil {
-		return
-	}
-	_, err = rf.ReadFrom(fileReader)
+	udpClient, _ := tftp.NewClient()
+
+	fileUrl := "tftp://"+udpAddress+"/"+fileId
+
+	err = udpClient.Put(fileUrl, fileReader, int64(fileSize))
 	if err != nil {
+		glog.Errorf("udp put %s: %v", fileUrl, err)
 		return
 	}