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/* Copyright (C) 2003 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <NdbOut.hpp>
#include <NdbApi.hpp>
#include <NdbSleep.h>
#include <NDBT.hpp>
#include <HugoTransactions.hpp>
#include <getarg.h>
int
main(int argc, const char** argv){
ndb_init();
int _help = 0;
const char* db = 0;
struct getargs args[] = {
{ "database", 'd', arg_string, &db, "Database", "" },
{ "usage", '?', arg_flag, &_help, "Print help", "" }
};
int num_args = sizeof(args) / sizeof(args[0]);
int optind = 0, i;
char desc[] =
"<tabname>+ \nThis program listen to events on specified tables\n";
if(getarg(args, num_args, argc, argv, &optind) ||
argv[optind] == NULL || _help) {
arg_printusage(args, num_args, argv[0], desc);
return NDBT_ProgramExit(NDBT_WRONGARGS);
}
// Connect to Ndb
Ndb_cluster_connection con;
if(con.connect(12, 5, 1) != 0)
{
return NDBT_ProgramExit(NDBT_FAILED);
}
Ndb MyNdb( &con, db ? db : "TEST_DB" );
if(MyNdb.init() != 0){
ERR(MyNdb.getNdbError());
return NDBT_ProgramExit(NDBT_FAILED);
}
// Connect to Ndb and wait for it to become ready
while(MyNdb.waitUntilReady() != 0)
ndbout << "Waiting for ndb to become ready..." << endl;
int result = 0;
NdbDictionary::Dictionary *myDict = MyNdb.getDictionary();
Vector<NdbDictionary::Event*> events;
Vector<NdbEventOperation*> event_ops;
for(i= optind; i<argc; i++)
{
const NdbDictionary::Table* table= myDict->getTable(argv[i]);
if(!table)
{
ndbout_c("Could not find table: %s, skipping", argv[i]);
continue;
}
BaseString name;
name.appfmt("EV-%s", argv[i]);
NdbDictionary::Event *myEvent= new NdbDictionary::Event(name.c_str());
myEvent->setTable(table->getName());
myEvent->addTableEvent(NdbDictionary::Event::TE_ALL);
for(int a = 0; a < table->getNoOfColumns(); a++){
myEvent->addEventColumn(a);
}
if (myDict->createEvent(* myEvent))
{
if(myDict->getNdbError().classification == NdbError::SchemaObjectExists)
{
g_info << "Event creation failed event exists. Removing...\n";
if (myDict->dropEvent(name.c_str()))
{
g_err << "Failed to drop event: " << myDict->getNdbError() << endl;
result = 1;
goto end;
}
// try again
if (myDict->createEvent(* myEvent))
{
g_err << "Failed to create event: " << myDict->getNdbError() << endl;
result = 1;
goto end;
}
}
else
{
g_err << "Failed to create event: " << myDict->getNdbError() << endl;
result = 1;
goto end;
}
}
events.push_back(myEvent);
NdbEventOperation* pOp = MyNdb.createEventOperation(name.c_str());
if ( pOp == NULL ) {
g_err << "Event operation creation failed" << endl;
result = 1;
goto end;
}
for (int a = 0; a < table->getNoOfColumns(); a++)
{
pOp->getValue(table->getColumn(a)->getName());
pOp->getPreValue(table->getColumn(a)->getName());
}
event_ops.push_back(pOp);
}
for(i= 0; i<(int)event_ops.size(); i++)
{
if (event_ops[i]->execute())
{
g_err << "operation execution failed: " << event_ops[i]->getNdbError()
<< endl;
result = 1;
goto end;
}
}
while(true)
{
while(MyNdb.pollEvents(100) == 0);
NdbEventOperation* pOp= MyNdb.nextEvent();
while(pOp)
{
Uint64 gci= pOp->getGCI();
Uint64 cnt_i= 0, cnt_u= 0, cnt_d= 0;
do
{
switch(pOp->getEventType())
{
case NdbDictionary::Event::TE_INSERT:
cnt_i++;
break;
case NdbDictionary::Event::TE_DELETE:
cnt_d++;
break;
case NdbDictionary::Event::TE_UPDATE:
cnt_u++;
break;
case NdbDictionary::Event::TE_CLUSTER_FAILURE:
break;
case NdbDictionary::Event::TE_ALTER:
break;
case NdbDictionary::Event::TE_DROP:
break;
default:
/* We should REALLY never get here. */
ndbout_c("Error: unknown event type");
abort();
}
} while ((pOp= MyNdb.nextEvent()) && gci == pOp->getGCI());
ndbout_c("GCI: %lld events: %lld(I) %lld(U) %lld(D)", gci, cnt_i, cnt_u, cnt_d);
}
}
end:
return NDBT_ProgramExit(NDBT_OK);
}
template class Vector<NdbDictionary::Event*>;
template class Vector<NdbEventOperation*>;
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