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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems, Inc.
* Copyright (C) 2010 Stewart Smith
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <drizzled/charset.h>
#include <drizzled/function/str/strfunc.h>
#include <drizzled/item/func.h>
#include <drizzled/plugin/function.h>
#include <uuid/uuid.h>
#define UUID_LENGTH (8+1+4+1+4+1+4+1+12)
namespace plugin {
namespace uuid {
class Generate: public drizzled::Item_str_func
{
public:
Generate(): drizzled::Item_str_func() {}
void fix_length_and_dec()
{
collation.set(drizzled::system_charset_info);
/*
NOTE! uuid() should be changed to use 'ascii'
charset when hex(), format(), md5(), etc, and implicit
number-to-string conversion will use 'ascii'
*/
max_length= UUID_LENGTH * drizzled::system_charset_info->mbmaxlen;
}
const char *func_name() const{ return "uuid"; }
drizzled::String *val_str(drizzled::String *);
};
drizzled::String *Generate::val_str(drizzled::String *str)
{
uuid_t uu;
char *uuid_string;
/* 36 characters for uuid string +1 for NULL */
str->realloc(UUID_LENGTH+1);
str->length(UUID_LENGTH);
str->set_charset(drizzled::system_charset_info);
uuid_string= (char *) str->ptr();
uuid_generate(uu);
uuid_unparse(uu, uuid_string);
return str;
}
} // uuid
} // plugin
static int initialize(drizzled::module::Context &context)
{
context.add(new drizzled::plugin::Create_function<plugin::uuid::Generate>("uuid"));
return 0;
}
DRIZZLE_DECLARE_PLUGIN
{
DRIZZLE_VERSION_ID,
"uuid",
"1.1",
"Stewart Smith, Brian Aker",
N_("UUID function using libuuid"),
drizzled::PLUGIN_LICENSE_GPL,
initialize,
NULL,
NULL
}
DRIZZLE_DECLARE_PLUGIN_END;
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