~drizzle-trunk/drizzle/development

1823.6.7 by Brian Aker
Cleans up namespace for locks (now per user).
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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2010 Brian Aker
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; either version 2 of the License, or
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 *  (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#include <boost/thread/mutex.hpp>
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#include <boost/thread/condition_variable.hpp>
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#include <boost/unordered_map.hpp>
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#include <boost/logic/tribool.hpp>
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#include <boost/unordered/unordered_set.hpp>
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#include <string>
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#include "drizzled/session.h"
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#include "drizzled/util/string.h"
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#ifndef PLUGIN_USER_LOCKS_KEY_H
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#define PLUGIN_USER_LOCKS_KEY_H
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namespace user_locks {
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class Key {
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  drizzled::SecurityContext context;
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  std::string lock_name;
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  size_t hash_value;
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public:
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  Key(const drizzled::SecurityContext &context_arg, const std::string &lock_name_arg) :
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    context(context_arg),
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    lock_name(lock_name_arg)
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  {
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    drizzled::util::insensitive_hash hasher;
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    hash_value= hasher(context.getUser() + lock_name_arg);
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  }
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  size_t getHashValue() const
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  {
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    return hash_value;
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  }
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  const std::string &getLockName() const
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  {
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    return lock_name;
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  }
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  const std::string &getUser() const
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  {
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    return context.getUser();
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  }
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};
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bool operator==(Key const& left, Key const& right);
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std::size_t hash_value(Key const& b);
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typedef boost::unordered_set<Key> Keys;
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} /* namespace user_locks */
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#endif /* PLUGIN_USER_LOCKS_KEY_H */