func (s *WardenServer) handleStreamIn(conn net.Conn, reader *bufio.Reader, request *protocol.StreamInRequest) (proto.Message, error) {
handle := request.GetHandle()
dstPath := request.GetDstPath()
container, err := s.backend.Lookup(handle)
if err != nil {
return nil, err
}
s.bomberman.Pause(container.Handle())
defer s.bomberman.Unpause(container.Handle())
streamWriter, err := container.StreamIn(dstPath)
if err != nil {
return nil, err
}
_, err = protocol.Messages(&protocol.StreamInResponse{}).WriteTo(conn)
if err != nil {
return nil, err
}
streamReader := transport.NewProtobufStreamReader(reader)
_, err = io.Copy(streamWriter, streamReader)
if err != nil {
return nil, err
}
return nil, streamWriter.Close()
}
func (c *connection) StreamOut(handle string, srcPath string) (io.Reader, error) {
err := c.roundTrip(
&protocol.StreamOutRequest{
Handle: proto.String(handle),
SrcPath: proto.String(srcPath),
},
&protocol.StreamOutResponse{},
)
if err != nil {
return nil, err
}
c.readLock.Lock()
return releasenotifier.ReleaseNotifier{
Reader: transport.NewProtobufStreamReader(c.read),
Callback: c.readLock.Unlock,
}, nil
}