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/*
* Copyright (C) 2010 Joseph Daly <skinny.moey@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Joseph Daly nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <config.h>
#include <drizzled/plugin.h>
#include <drizzled/statistics_variables.h>
#include <drizzled/session.h>
#include <drizzled/drizzled.h>
#include "status_vars.h"
using namespace drizzled;
StatusVars::StatusVars()
{
status_var_counters= (system_status_var*) malloc(sizeof(system_status_var));
memset(status_var_counters, 0, sizeof(system_status_var));
sent_row_count= 0;
}
StatusVars::StatusVars(const StatusVars &status_vars)
{
status_var_counters= (system_status_var*) malloc(sizeof(system_status_var));
memset(status_var_counters, 0, sizeof(system_status_var));
copySystemStatusVar(status_var_counters, status_vars.status_var_counters);
sent_row_count= 0;
}
StatusVars::~StatusVars()
{
free(status_var_counters);
}
void StatusVars::copySystemStatusVar(system_status_var *to_var,
system_status_var *from_var)
{
uint64_t *end= (uint64_t*) ((unsigned char*) to_var + offsetof(system_status_var,
last_system_status_var) + sizeof(uint64_t));
uint64_t *to= (uint64_t*) to_var;
uint64_t *from= (uint64_t*) from_var;
while (to != end)
{
*(to++)= *(from++);
}
to_var->last_query_cost= from_var->last_query_cost;
}
void StatusVars::merge(StatusVars *status_vars)
{
system_status_var* from_var= status_vars->getStatusVarCounters();
uint64_t *end= (uint64_t*) ((unsigned char*) status_var_counters + offsetof(system_status_var,
last_system_status_var) + sizeof(uint64_t));
uint64_t *to= (uint64_t*) status_var_counters;
uint64_t *from= (uint64_t*) from_var;
while (to != end)
{
*(to++)+= *(from++);
}
sent_row_count+= status_vars->sent_row_count;
}
void StatusVars::reset()
{
memset(status_var_counters, 0, sizeof(system_status_var));
sent_row_count= 0;
}
void StatusVars::logStatusVar(Session *session)
{
copySystemStatusVar(status_var_counters, &session->status_var);
sent_row_count+= session->sent_row_count;
}
bool StatusVars::hasBeenFlushed(Session *session)
{
system_status_var *current_status_var= &session->status_var;
/* check bytes received if its lower then a flush has occurred */
uint64_t current_bytes_received= current_status_var->bytes_received;
uint64_t my_bytes_received= status_var_counters->bytes_received;
return current_bytes_received < my_bytes_received;
}
void StatusVars::copyGlobalVariables(StatusVars *global_status_vars)
{
system_status_var* from_var= global_status_vars->getStatusVarCounters();
status_var_counters->aborted_connects= from_var->aborted_connects;
status_var_counters->aborted_threads= from_var->aborted_threads;
status_var_counters->connection_time= from_var->connection_time;
}
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