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3919c541ac
* Fix clang warnings * Remove vim tab guides * initialize variables * 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length * Fix ISO C++17 does not allow 'register' storage class specifier for outdated bison * chars are unsigned on ARM, having if (ival < 0) always false * chars are unsigned by default on ARM and comparison with -1 if always true
136 lines
3.1 KiB
C++
136 lines
3.1 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/***************************************************************************
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* $Id: sessionwalker.cpp 3072 2013-04-04 19:04:45Z rdempsey $
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*
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* jrodriguez@calpont.com
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* *
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***************************************************************************/
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#include <iostream>
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using namespace std;
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#include "sessionmonitor.h"
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using namespace execplan;
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#include "vendordmlstatement.h"
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#include "calpontdmlpackage.h"
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#include "calpontdmlfactory.h"
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using namespace dmlpackage;
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#include "bytestream.h"
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#include "messagequeue.h"
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using namespace messageqcpp;
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namespace
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{
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void usage()
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{
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cout << "sessionwalker [-d|-h]" << endl
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<< " -r rollback all transactions found" << endl
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<< " -h display this help" << endl;
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}
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void rollback(const SessionMonitor::MonSIDTIDEntry& txn)
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{
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VendorDMLStatement dmlStmt("ROLLBACK;", txn.sessionid);
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CalpontDMLPackage* pDMLPackage = CalpontDMLFactory::makeCalpontDMLPackage(dmlStmt);
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if (pDMLPackage == 0)
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{
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return;
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}
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ByteStream bytestream;
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pDMLPackage->write(bytestream);
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delete pDMLPackage;
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MessageQueueClient mq("DMLProc");
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try
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{
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cout << "sending ROLLBACK for sessionID " << txn.sessionid << endl;
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mq.write(bytestream);
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bytestream = mq.read();
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}
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catch (...)
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{
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}
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}
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} // namespace
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int main(int argc, char** argv)
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{
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bool rflg = false;
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opterr = 0;
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int c;
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while ((c = getopt(argc, argv, "rh")) != EOF)
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switch (c)
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{
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case 'r': rflg = true; break;
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case 'h':
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usage();
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return 0;
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break;
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default:
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usage();
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return 1;
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break;
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}
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vector<SessionMonitor::MonSIDTIDEntry*> toTxns;
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SessionMonitor* monitor = new SessionMonitor();
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toTxns.clear();
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toTxns = monitor->timedOutTxns(); // get timed out txns
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vector<SessionMonitor::MonSIDTIDEntry*>::iterator iter = toTxns.begin();
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vector<SessionMonitor::MonSIDTIDEntry*>::iterator end = toTxns.end();
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vector<SessionMonitor::MonSIDTIDEntry*> tmp;
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while (iter != end)
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{
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if ((*iter)->sessionid > 0)
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tmp.push_back(*iter);
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++iter;
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}
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toTxns.swap(tmp);
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cout << toTxns.size() << " timed out transactions." << endl;
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for (unsigned idx = 0; idx < toTxns.size(); idx++)
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{
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monitor->printTxns(*toTxns[idx]);
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if (rflg)
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{
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rollback(*toTxns[idx]);
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}
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}
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delete monitor;
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return 0;
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}
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