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/* Copyright (c) 2003-2005, 2007 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
#include <ndb_global.h>
#include <NdbOut.hpp>
#include <NdbApi.hpp>
#include <NdbMain.h>
#include <NDBT.hpp>
#include <NDBT_Thread.hpp>
#include <NDBT_Stats.hpp>
#include <NdbSleep.h>
#include <getarg.h>
#include <HugoTransactions.hpp>
static NDBT_ThreadFunc hugoPkRead;
struct ThrInput {
const NdbDictionary::Table* pTab;
int records;
int batch;
int stats;
};
struct ThrOutput {
NDBT_Stats latency;
};
int main(int argc, const char** argv){
ndb_init();
int _records = 0;
int _loops = 1;
int _threads = 1;
int _stats = 0;
int _abort = 0;
int _batch = 1;
const char* _tabname = NULL;
int _help = 0;
struct getargs args[] = {
{ "aborts", 'a', arg_integer, &_abort, "percent of transactions that are aborted", "abort%" },
{ "loops", 'l', arg_integer, &_loops, "number of times to run this program(0=infinite loop)", "loops" },
{ "threads", 't', arg_integer, &_threads, "number of threads (default 1)", "threads" },
{ "stats", 's', arg_flag, &_stats, "report latency per batch", "stats" },
{ "batch", 'b', arg_integer, &_batch, "batch value(not 0)", "batch" },
{ "records", 'r', arg_integer, &_records, "Number of records", "records" },
{ "usage", '?', arg_flag, &_help, "Print help", "" }
};
int num_args = sizeof(args) / sizeof(args[0]);
int optind = 0;
char desc[] =
"tabname\n"\
"This program will read 'r' records from one table in Ndb. \n"\
"It will verify every column read by calculating the expected value.\n";
if(getarg(args, num_args, argc, argv, &optind) ||
argv[optind] == NULL || _records == 0 || _batch == 0 || _help) {
arg_printusage(args, num_args, argv[0], desc);
return NDBT_ProgramExit(NDBT_WRONGARGS);
}
_tabname = argv[optind];
// Connect to Ndb
Ndb_cluster_connection con;
if(con.connect(12, 5, 1) != 0)
{
return NDBT_ProgramExit(NDBT_FAILED);
}
Ndb MyNdb(&con, "TEST_DB" );
if(MyNdb.init() != 0){
ERR(MyNdb.getNdbError());
return NDBT_ProgramExit(NDBT_FAILED);
}
while(MyNdb.waitUntilReady() != 0)
ndbout << "Waiting for ndb to become ready..." << endl;
// Check if table exists in db
const NdbDictionary::Table * pTab = NDBT_Table::discoverTableFromDb(&MyNdb, _tabname);
if(pTab == NULL){
ndbout << " Table " << _tabname << " does not exist!" << endl;
return NDBT_ProgramExit(NDBT_WRONGARGS);
}
// threads
NDBT_ThreadSet ths(_threads);
// create Ndb object for each thread
if (ths.connect(&con, "TEST_DB") == -1) {
ndbout << "connect failed: err=" << ths.get_err() << endl;
return NDBT_ProgramExit(NDBT_FAILED);
}
// input is options
ThrInput input;
ths.set_input(&input);
input.pTab = pTab;
input.records = _records;
input.batch = _batch;
input.stats = _stats;
// output is stats
ThrOutput output;
ths.set_output<ThrOutput>();
int i = 0;
while (i < _loops || _loops == 0) {
ndbout << i << ": ";
ths.set_func(hugoPkRead);
ths.start();
ths.stop();
if (ths.get_err())
NDBT_ProgramExit(NDBT_FAILED);
if (_stats) {
NDBT_Stats latency;
// add stats from each thread
int n;
for (n = 0; n < ths.get_count(); n++) {
NDBT_Thread& thr = ths.get_thread(n);
ThrOutput* output = (ThrOutput*)thr.get_output();
latency += output->latency;
}
ndbout
<< "latency per batch (us): "
<< " samples=" << latency.getCount()
<< " min=" << (int)latency.getMin()
<< " max=" << (int)latency.getMax()
<< " mean=" << (int)latency.getMean()
<< " stddev=" << (int)latency.getStddev()
<< endl;
}
i++;
}
return NDBT_ProgramExit(NDBT_OK);
}
static void hugoPkRead(NDBT_Thread& thr)
{
const ThrInput* input = (const ThrInput*)thr.get_input();
ThrOutput* output = (ThrOutput*)thr.get_output();
HugoTransactions hugoTrans(*input->pTab);
output->latency.reset();
if (input->stats)
hugoTrans.setStatsLatency(&output->latency);
int ret;
ret = hugoTrans.pkReadRecords(thr.get_ndb(),
input->records,
input->batch);
if (ret != 0)
thr.set_err(ret);
}
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