ceph/src/test/compressor/compressor_plugin_example.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph distributed storage system
   5  *
   6  * Copyright (C) 2015 Mirantis, Inc.
   7  *
   8  * Author: Alyona Kiseleva <akiselyova@mirantis.com>
   9  *
  10  *  This library is free software; you can redistribute it and/or
  11  *  modify it under the terms of the GNU Lesser General Public
  12  *  License as published by the Free Software Foundation; either
  13  *  version 2.1 of the License, or (at your option) any later version.
  14  *
  15  */
  16
  17 #include <unistd.h>
  18
  19 #include "ceph_ver.h"
  20 #include "compressor/CompressionPlugin.h"
  21 #include "compressor_example.h"
  22
  23 using namespace std;
  24
  25 class CompressorPluginExample : public CompressionPlugin {
  26 public:
  27
  28   explicit CompressorPluginExample(CephContext* cct) : CompressionPlugin(cct)
  29   {}
  30
  31   int factory(CompressorRef *cs,
  32                       ostream *ss) override
  33   {
  34     if (compressor == 0) {
  35       CompressorExample *interface = new CompressorExample();
  36       compressor = CompressorRef(interface);
  37     }
  38     *cs = compressor;
  39     return 0;
  40   }
  41 };
  42
  43 // -----------------------------------------------------------------------------
  44
  45 const char *__ceph_plugin_version()
  46 {
  47   return CEPH_GIT_NICE_VER;
  48 }
  49
  50 // -----------------------------------------------------------------------------
  51
  52 int __ceph_plugin_init(CephContext *cct,
  53                        const std::string& type,
  54                        const std::string& name)
  55 {
  56   PluginRegistry *instance = cct->get_plugin_registry();
  57
  58   return instance->add(type, name, new CompressorPluginExample(cct));
  59 }