Drizzled Public API Documentation

user_commands.h
00001 /*
00002  * Copyright (C) 2010 Joseph Daly <skinny.moey@gmail.com>
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 Joseph Daly 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 #pragma once
00031 
00032 #include <drizzled/common.h>
00033 #include <drizzled/enum.h>
00034 #include <string>
00035 #include <vector>
00036 
00037 
00038 class UserCommands
00039 {
00040 public:
00041 
00042   UserCommands();
00043 
00044   UserCommands(const UserCommands &user_commands);
00045 
00046   uint64_t getCount(uint32_t index);
00047 
00048   void merge(UserCommands *user_commands);
00049 
00050   void reset();
00051 
00052   void logCommand(drizzled::enum_sql_command sql_command);
00053 
00054   static uint32_t getStatusVarsCount()
00055   {
00056     return drizzled::SQLCOM_END;
00057   }
00058 
00059   static uint32_t getUserCounts()
00060   {
00061     return COUNT_END; 
00062   }
00063 
00064   static const char *COM_STATUS_VARS[];
00065 
00066   static const char *USER_COUNTS[];
00067 
00068   enum command_count_index {
00069     COUNT_SELECT,
00070     COUNT_DELETE,
00071     COUNT_UPDATE,
00072     COUNT_INSERT,
00073     COUNT_ROLLBACK,
00074     COUNT_COMMIT,
00075     COUNT_CREATE,
00076     COUNT_ALTER,
00077     COUNT_DROP,
00078     COUNT_ADMIN,
00079     /* add new COUNT_* values above this entry */
00080     COUNT_END 
00081   };
00082 
00083   uint64_t getUserCount(uint32_t index);
00084 
00085 private:
00086   void init();
00087 
00088   void incrementCount(uint32_t index, uint32_t i= 1);
00089 
00090   std::vector<uint64_t> vector_of_command_counts;
00091 };
00092