initial code repo

[stor4nfv.git] / src / ceph / src / compressor / zlib / ZlibCompressor.h

diff --git a/src/ceph/src/compressor/zlib/ZlibCompressor.h b/src/ceph/src/compressor/zlib/ZlibCompressor.h
new file mode 100644 (file)
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+++ b/src/ceph/src/compressor/zlib/ZlibCompressor.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2015 Mirantis, Inc.
+ *
+ * Author: Alyona Kiseleva <akiselyova@mirantis.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ */
+
+#ifndef CEPH_COMPRESSION_ZLIB_H
+#define CEPH_COMPRESSION_ZLIB_H
+
+#include "compressor/Compressor.h"
+
+class ZlibCompressor : public Compressor {
+  bool isal_enabled;
+  CephContext *const cct;
+public:
+  ZlibCompressor(CephContext *cct, bool isal)
+    : Compressor(COMP_ALG_ZLIB, "zlib"), isal_enabled(isal), cct(cct) {}
+
+  int compress(const bufferlist &in, bufferlist &out) override;
+  int decompress(const bufferlist &in, bufferlist &out) override;
+  int decompress(bufferlist::iterator &p, size_t compressed_len, bufferlist &out) override;
+private:
+  int zlib_compress(const bufferlist &in, bufferlist &out);
+  int isal_compress(const bufferlist &in, bufferlist &out);
+ };
+
+
+#endif