00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*- 00002 * vim:expandtab:shiftwidth=2:tabstop=2:smarttab: 00003 * 00004 * Copyright (C) 2010 Brian Aker 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions are 00009 * met: 00010 * 00011 * * Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * 00014 * * Redistributions in binary form must reproduce the above 00015 * copyright notice, this list of conditions and the following disclaimer 00016 * in the documentation and/or other materials provided with the 00017 * distribution. 00018 * 00019 * * The names of its contributors may not be used to endorse or 00020 * promote products derived from this software without specific prior 00021 * written permission. 00022 * 00023 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00024 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00025 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00026 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00027 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00028 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00029 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00030 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00031 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00032 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00033 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00034 * 00035 */ 00036 00037 #include <config.h> 00038 00039 #include <signal.h> 00040 #include <drizzled/session.h> 00041 #include <drizzled/sql_base.h> 00042 #include <drizzled/function/str/strfunc.h> 00043 #include <drizzled/plugin/function.h> 00044 00045 using namespace drizzled; 00046 00047 #define SHUTDOWN_MESSAGE "Beginning shutdown" 00048 00049 class Shutdown : public Item_str_func 00050 { 00051 public: 00052 Shutdown() 00053 { } 00054 00055 void fix_length_and_dec() 00056 { 00057 max_length= sizeof(SHUTDOWN_MESSAGE) * system_charset_info->mbmaxlen; 00058 maybe_null= true; 00059 } 00060 const char *func_name() const { return "shutdown"; } 00061 const char *fully_qualified_func_name() const { return "shutdown()"; } 00062 00063 String *val_str(String *str) 00064 { 00065 kill_drizzle(); 00066 00067 str->copy(SHUTDOWN_MESSAGE, sizeof(SHUTDOWN_MESSAGE) -1, system_charset_info); 00068 00069 return str; 00070 } 00071 }; 00072 00073 static int initialize(drizzled::module::Context &context) 00074 { 00075 context.add(new plugin::Create_function<Shutdown>("shutdown")); 00076 return 0; 00077 } 00078 00079 DRIZZLE_DECLARE_PLUGIN 00080 { 00081 DRIZZLE_VERSION_ID, 00082 "shutdown", 00083 "1.0", 00084 "Brian Aker", 00085 "Cause the database to shutdown.", 00086 PLUGIN_LICENSE_BSD, 00087 initialize, /* Plugin Init */ 00088 NULL, /* depends */ 00089 NULL /* config options */ 00090 } 00091 DRIZZLE_DECLARE_PLUGIN_END;