Drizzled Public API Documentation

memc_misc.h
00001 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  * Copyright (C) 2009, Patrick "CaptTofu" Galbraith, Padraig O'Sullivan
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 met:
00009  *
00010  *   * Redistributions of source code must retain the above copyright notice,
00011  *     this list of conditions and the following disclaimer.
00012  *   * Redistributions in binary form must reproduce the above copyright notice,
00013  *     this list of conditions and the following disclaimer in the documentation
00014  *     and/or other materials provided with the distribution.
00015  *   * Neither the name of Patrick Galbraith nor the names of its contributors
00016  *     may be used to endorse or promote products derived from this software
00017  *     without specific prior written permission.
00018  *
00019  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00020  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00021  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00022  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
00023  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00024  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00025  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00026  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00027  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00028  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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00030  */
00031 
00032 #pragma once
00033 
00034 #include <drizzled/item/func.h>
00035 #include <drizzled/function/str/strfunc.h>
00036 
00037 /* implements memc_libmemcached_version */
00038 class MemcachedVersion : public drizzled::Item_str_func
00039 {
00040 public:
00041   MemcachedVersion()
00042     : 
00043       Item_str_func(),
00044       failure_buff("FAILURE", &drizzled::my_charset_bin)
00045   {}
00046 
00047   const char *func_name() const
00048   {
00049     return "memc_libmemcached_version";
00050   }
00051 
00052   drizzled::String *val_str(drizzled::String *);
00053 
00054   void fix_length_and_dec()
00055   {
00056     max_length= 32;
00057   }
00058 
00059 private:
00060   drizzled::String buffer;
00061   drizzled::String failure_buff;
00062 };
00063 
00064 /* implements memc_server_count */
00065 class MemcachedServerCount : public drizzled::Item_int_func
00066 {
00067 public:
00068   MemcachedServerCount()
00069     :
00070       Item_int_func()
00071   {
00072     unsigned_flag= 1;
00073   }
00074 
00075   const char *func_name() const
00076   {
00077     return "memc_server_count";
00078   }
00079 
00080   void fix_length_and_dec()
00081   {
00082     max_length= 10;
00083   }
00084 
00085   int64_t val_int();
00086 };
00087