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Viewing changes to plugin/shutdown_function/shutdown.cc

  • Committer: Brian Aker
  • Date: 2010-08-18 20:27:50 UTC
  • mto: This revision was merged to the branch mainline in revision 1720.
  • Revision ID: brian@tangent.org-20100818202750-p2ydb63j9c4oj4i1
Adding in optional shutdown function.

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plugin/shutdown_function/shutdown.cc
 
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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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#include "config.h"
 
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#include <signal.h>
 
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#include <drizzled/session.h>
 
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#include <drizzled/function/str/strfunc.h>
 
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using namespace drizzled;
 
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#define SHUTDOWN_MESSAGE "Beginning shutdown"
 
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class Shutdown :public Item_str_func
 
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{
 
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public:
 
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  Shutdown() :
 
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    Item_str_func()
 
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  { }
 
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  void fix_length_and_dec()
 
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  {
 
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    max_length= sizeof(SHUTDOWN_MESSAGE) * system_charset_info->mbmaxlen;
 
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    maybe_null= true;
 
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  }
 
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  const char *func_name() const { return "shutdown"; }
 
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  const char *fully_qualified_func_name() const { return "shutdown()"; }
 
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  String *val_str(String *str)
 
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  {
 
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    kill_drizzle();
 
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    str->copy(SHUTDOWN_MESSAGE, sizeof(SHUTDOWN_MESSAGE) -1, system_charset_info);
 
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    return str;
 
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  }
 
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};
 
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static int initialize(drizzled::module::Context &context)
 
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{
 
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  context.add(new plugin::Create_function<Shutdown>("shutdown"));
 
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  return 0;
 
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}
 
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DRIZZLE_DECLARE_PLUGIN
 
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{
 
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  DRIZZLE_VERSION_ID,
 
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  "shutdown",
 
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  "1.0",
 
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  "Brian Aker",
 
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  "Cause the database to shutdown.",
 
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  PLUGIN_LICENSE_BSD,
 
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  initialize, /* Plugin Init */
 
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  NULL,   /* system variables */
 
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  NULL    /* config options */
 
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}
 
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DRIZZLE_DECLARE_PLUGIN_END;