Example #1
0
func (cmd *cmdSync) PSyncPipeCopy(c net.Conn, br *bufio.Reader, bw *bufio.Writer, offset int64, copyto io.Writer) (int64, error) {
	defer c.Close()
	var nread atomic2.Int64
	go func() {
		defer c.Close()
		for {
			time.Sleep(time.Second * 5)
			if err := sendPSyncAck(bw, offset+nread.Get()); err != nil {
				return
			}
		}
	}()

	var p = make([]byte, 8192)
	for {
		n, err := br.Read(p)
		if err != nil {
			return nread.Get(), nil
		}
		if _, err := copyto.Write(p[:n]); err != nil {
			return nread.Get(), err
		}
		nread.Add(int64(n))
	}
}
Example #2
0
func (cmd *cmdDump) DumpRDBFile(reader *bufio.Reader, writer *bufio.Writer, nsize int64) {
	var nread atomic2.Int64
	wait := make(chan struct{})
	go func() {
		defer close(wait)
		p := make([]byte, WriterBufferSize)
		for nsize != nread.Get() {
			nstep := int(nsize - nread.Get())
			ncopy := int64(iocopy(reader, writer, p, nstep))
			nread.Add(ncopy)
			flushWriter(writer)
		}
	}()

	for done := false; !done; {
		select {
		case <-wait:
			done = true
		case <-time.After(time.Second):
		}
		n := nread.Get()
		p := 100 * n / nsize
		log.Infof("total = %d - %12d [%3d%%]\n", nsize, n, p)
	}
	log.Info("dump: rdb done")
}
Example #3
0
func (cmd *cmdDump) DumpCommand(reader *bufio.Reader, writer *bufio.Writer, nsize int64) {
	var nread atomic2.Int64
	go func() {
		p := make([]byte, ReaderBufferSize)
		for {
			ncopy := int64(iocopy(reader, writer, p, len(p)))
			nread.Add(ncopy)
			flushWriter(writer)
		}
	}()

	for {
		time.Sleep(time.Second)
		log.Infof("dump: total = %d\n", nsize+nread.Get())
	}
}