00001 /* 00002 * Copyright (C) 2009, Padraig O'Sullivan 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * * Redistributions of source code must retain the above copyright notice, 00009 * this list of conditions and the following disclaimer. 00010 * * Redistributions in binary form must reproduce the above copyright notice, 00011 * this list of conditions and the following disclaimer in the documentation 00012 * and/or other materials provided with the distribution. 00013 * * Neither the name of Padraig O'Sullivan nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00018 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 00021 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00022 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00023 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00024 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00025 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00026 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 00027 * THE POSSIBILITY OF SUCH DAMAGE. 00028 */ 00029 00030 00031 #pragma once 00032 00033 #include <drizzled/plugin/table_function.h> 00034 #include <drizzled/field.h> 00035 00036 #include <libmemcached/memcached.h> 00037 00038 namespace drizzle_plugin 00039 { 00040 00041 class StatsTableTool : public drizzled::plugin::TableFunction 00042 { 00043 public: 00044 00045 StatsTableTool(); 00046 00047 class Generator : public drizzled::plugin::TableFunction::Generator 00048 { 00049 public: 00050 Generator(drizzled::Field **arg); 00051 00052 ~Generator(); 00053 00054 bool populate(); 00055 private: 00056 uint32_t host_number; 00057 uint32_t number_of_hosts; 00058 memcached_st *memc; 00059 }; 00060 00061 Generator *generator(drizzled::Field **arg) 00062 { 00063 return new Generator(arg); 00064 } 00065 }; 00066 00067 } /* namespace drizzle_plugin */ 00068