75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
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/*
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* Copyright (c) 2010-2011 by Patrick Schaefer, Zuse Institute Berlin
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* 2011-2012 by Michael Berlin, Zuse Institute Berlin
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*
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* Licensed under the BSD License, see LICENSE file for details.
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*
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*/
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#ifndef CPP_INCLUDE_LIBXTREEMFS_USER_MAPPING_H_
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#define CPP_INCLUDE_LIBXTREEMFS_USER_MAPPING_H_
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#include <sys/types.h>
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#include <list>
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#include <string>
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namespace xtreemfs {
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namespace pbrpc {
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class UserCredentials;
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} // namespace pbrpc
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class Options;
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/** Allows to specify a transformation between local user and group names and
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* its global counterparts stored in XtreemFS. */
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class UserMapping {
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public:
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/** Available UserMappings which are allowed by CreateUserMapping(). */
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enum UserMappingType {
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kNone, kUnicore, kGlobus
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};
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/** Returns an instance of the chosen UserMapping.
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*
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* @param type Type of the user mapping to be created.
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* @param options Options object which has to contain additional members
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* depending on the constructor of the user mapping.
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*/
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static UserMapping* CreateUserMapping(UserMappingType type,
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const Options& options);
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/** Returns CreateUserMapping(type, options) whereas options is a
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* default Options object. */
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static UserMapping* CreateUserMapping(UserMappingType type);
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virtual ~UserMapping() {}
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/** Has to be called after creating a UserMapping object and can be used to
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* start a needed thread. */
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virtual void Start() = 0;
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/** Has to be called before the deletion of a UserMapping object and can be
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* used to stop a created threads. */
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virtual void Stop() = 0;
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virtual void LocalToGlobalUsername(const std::string& username_local,
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std::string* username_global) = 0;
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virtual void LocalToGlobalGroupname(const std::string& groupname_local,
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std::string* groupname_global) = 0;
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virtual void GlobalToLocalUsername(const std::string& username_global,
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std::string* username_local) = 0;
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virtual void GlobalToLocalGroupname(const std::string& groupname_global,
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std::string* groupname_local) = 0;
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/** Retrieve the list of known group names based on the local username. */
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virtual void GetGroupnames(
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const std::string& username_local,
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xtreemfs::pbrpc::UserCredentials* user_credentials) = 0;
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};
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} // namespace xtreemfs
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#endif // CPP_INCLUDE_LIBXTREEMFS_USER_MAPPING_H_
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