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