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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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* Copyright (C) 2010 Brian Aker
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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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* 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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* 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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#include <sys/types.h>
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#include <google/protobuf/io/zero_copy_stream.h>
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#include <google/protobuf/io/zero_copy_stream_impl.h>
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#include "plugin/catalog/module.h"
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static std::string CATALOG_OPT_EXT(".cat");
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bool Engine::create(const drizzled::identifier::Catalog &identifier, drizzled::message::catalog::shared_ptr &message)
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if (mkdir(identifier.getPath().c_str(), 0777) == -1)
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if (not writeFile(identifier, message))
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rmdir(identifier.getPath().c_str());
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bool Engine::drop(const drizzled::identifier::Catalog &identifier)
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std::string file(identifier.getPath());
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file.append(1, FN_LIBCHAR);
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file.append(CATALOG_OPT_EXT);
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// No catalog file, no love from us.
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if (access(file.c_str(), F_OK))
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if (unlink(file.c_str()))
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if (rmdir(identifier.getPath().c_str()))
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perror(identifier.getPath().c_str());
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//@todo If this happens, we want a report of it. For the moment I dump
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//to stderr so I can catch it in Hudson.
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drizzled::CachedDirectory dir(identifier.getPath());
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bool Engine::writeFile(const drizzled::identifier::Catalog &identifier, drizzled::message::catalog::shared_ptr &message)
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char file_tmp[FN_REFLEN];
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std::string file(identifier.getPath());
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file.append(1, FN_LIBCHAR);
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file.append(CATALOG_OPT_EXT);
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snprintf(file_tmp, FN_REFLEN, "%sXXXXXX", file.c_str());
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int fd= mkstemp(file_tmp);
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success= message->SerializeToFileDescriptor(fd);
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drizzled::my_error(drizzled::ER_CORRUPT_CATALOG_DEFINITION, MYF(0), file.c_str(),
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message->InitializationErrorString().empty() ? "unknown" : message->InitializationErrorString().c_str());
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if (unlink(file_tmp))
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if (unlink(file_tmp))
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if (rename(file_tmp, file.c_str()) == -1)
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if (unlink(file_tmp))
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bool Engine::readFile(const drizzled::identifier::Catalog &identifier, drizzled::message::catalog::shared_ptr &message)
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std::string path(identifier.getPath());
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Pass an empty file name, and the database options file name as extension
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to avoid table name to file name encoding.
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path.append(1, FN_LIBCHAR);
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path.append(CATALOG_OPT_EXT);
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std::fstream input(path.c_str(), std::ios::in | std::ios::binary);
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if (message->ParseFromIstream(&input))
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drizzled::my_error(drizzled::ER_CORRUPT_CATALOG_DEFINITION, MYF(0), path.c_str(),
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message->InitializationErrorString().empty() ? "unknown" : message->InitializationErrorString().c_str());
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perror(path.c_str());
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} /* namespace catalog */
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} /* namespace plugin */