Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/src/rbd_replay/BufferReader.h b/src/rbd_replay/BufferReader.h
new file mode 100644
index 000000000..38a105774
--- /dev/null
+++ b/src/rbd_replay/BufferReader.h
@@ -0,0 +1,34 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_RBD_REPLAY_BUFFER_READER_H
+#define CEPH_RBD_REPLAY_BUFFER_READER_H
+
+#include "include/int_types.h"
+#include "include/buffer.h"
+
+namespace rbd_replay {
+
+class BufferReader {
+public:
+  static const size_t DEFAULT_MIN_BYTES = 1<<20;
+  static const size_t DEFAULT_MAX_BYTES = 1<<22;
+
+  BufferReader(int fd, size_t min_bytes = DEFAULT_MIN_BYTES,
+               size_t max_bytes = DEFAULT_MAX_BYTES);
+
+  int fetch(bufferlist::const_iterator **it);
+
+private:
+  int m_fd;
+  size_t m_min_bytes;
+  size_t m_max_bytes;
+  bufferlist m_bl;
+  bufferlist::const_iterator m_bl_it;
+  bool m_eof_reached;
+
+};
+
+} // namespace rbd_replay
+
+#endif // CEPH_RBD_REPLAY_BUFFER_READER_H