X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ferasure-code%2FErasureCodePlugin.h;fp=src%2Fceph%2Fsrc%2Ferasure-code%2FErasureCodePlugin.h;h=a92d0e2cc61ee4d38266b0390f9fc955c76907a0;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git diff --git a/src/ceph/src/erasure-code/ErasureCodePlugin.h b/src/ceph/src/erasure-code/ErasureCodePlugin.h new file mode 100644 index 0000000..a92d0e2 --- /dev/null +++ b/src/ceph/src/erasure-code/ErasureCodePlugin.h @@ -0,0 +1,82 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab +/* + * Ceph distributed storage system + * + * Copyright (C) 2013,2014 Cloudwatt + * Copyright (C) 2014 Red Hat + * + * Author: Loic Dachary + * + * 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_ERASURE_CODE_PLUGIN_H +#define CEPH_ERASURE_CODE_PLUGIN_H + +#include "common/Mutex.h" +#include "ErasureCodeInterface.h" + +extern "C" { + const char *__erasure_code_version(); + int __erasure_code_init(char *plugin_name, char *directory); +} + +namespace ceph { + + class ErasureCodePlugin { + public: + void *library; + + ErasureCodePlugin() : + library(0) {} + virtual ~ErasureCodePlugin() {} + + virtual int factory(const std::string &directory, + ErasureCodeProfile &profile, + ErasureCodeInterfaceRef *erasure_code, + std::ostream *ss) = 0; + }; + + class ErasureCodePluginRegistry { + public: + Mutex lock; + bool loading; + bool disable_dlclose; + std::map plugins; + + static ErasureCodePluginRegistry singleton; + + ErasureCodePluginRegistry(); + ~ErasureCodePluginRegistry(); + + static ErasureCodePluginRegistry &instance() { + return singleton; + } + + int factory(const std::string &plugin, + const std::string &directory, + ErasureCodeProfile &profile, + ErasureCodeInterfaceRef *erasure_code, + std::ostream *ss); + + int add(const std::string &name, ErasureCodePlugin *plugin); + int remove(const std::string &name); + ErasureCodePlugin *get(const std::string &name); + + int load(const std::string &plugin_name, + const std::string &directory, + ErasureCodePlugin **plugin, + std::ostream *ss); + + int preload(const std::string &plugins, + const std::string &directory, + std::ostream *ss); + }; +} + +#endif