mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-05-20 02:10:20 +02:00
98 lines
2.2 KiB
Go
98 lines
2.2 KiB
Go
package wdclient
|
|
|
|
import (
|
|
"bufio"
|
|
"bytes"
|
|
"fmt"
|
|
"github.com/chrislusf/seaweedfs/weed/glog"
|
|
"github.com/chrislusf/seaweedfs/weed/pb"
|
|
"github.com/chrislusf/seaweedfs/weed/util"
|
|
"github.com/chrislusf/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
|
|
}
|