ceph/src/compressor/snappy/CompressionPluginSnappy.h

   1 /*
   2  * Ceph - scalable distributed file system
   3  *
   4  * Copyright (C) 2015 Mirantis, Inc.
   5  *
   6  * Author: Alyona Kiseleva <akiselyova@mirantis.com>
   7  *
   8  *  This library is free software; you can redistribute it and/or
   9  *  modify it under the terms of the GNU Lesser General Public
  10  *  License as published by the Free Software Foundation; either
  11  *  version 2.1 of the License, or (at your option) any later version.
  12  *
  13  */
  14
  15 #ifndef CEPH_COMPRESSION_PLUGIN_SNAPPY_H
  16 #define CEPH_COMPRESSION_PLUGIN_SNAPPY_H
  17
  18 // -----------------------------------------------------------------------------
  19 #include "compressor/CompressionPlugin.h"
  20 #include "SnappyCompressor.h"
  21 // -----------------------------------------------------------------------------
  22
  23 class CompressionPluginSnappy : public CompressionPlugin {
  24
  25 public:
  26
  27   explicit CompressionPluginSnappy(CephContext* cct) : CompressionPlugin(cct)
  28   {}
  29
  30   int factory(CompressorRef *cs,
  31                       std::ostream *ss) override
  32   {
  33     if (compressor == 0) {
  34       SnappyCompressor *interface = new SnappyCompressor();
  35       compressor = CompressorRef(interface);
  36     }
  37     *cs = compressor;
  38     return 0;
  39   }
  40 };
  41
  42 #endif