Adding upstream version 18.2.2.upstream/18.2.2

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

1 files changed, 23 insertions, 0 deletions

diff --git a/src/common/FixedCDC.h b/src/common/FixedCDC.h
new file mode 100644
index 000000000..a19a1859b
--- /dev/null
+++ b/src/common/FixedCDC.h
@@ -0,0 +1,23 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#pragma once
+
+#include "CDC.h"
+
+class FixedCDC : public CDC {
+private:
+  size_t chunk_size;
+
+public:
+  FixedCDC(int target = 18, int window_bits = 0) {
+    set_target_bits(target, window_bits);
+  };
+
+  void set_target_bits(int target, int window_bits) override {
+    chunk_size = 1ul << target;
+  }
+  void calc_chunks(
+    const bufferlist& bl,
+    std::vector<std::pair<uint64_t, uint64_t>> *chunks) const override;
+};