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105 lines
2.7 KiB
C++
105 lines
2.7 KiB
C++
// oplog.cpp
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/**
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* Copyright (C) 2008 10gen Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "pch.h"
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#include "client/dbclient.h"
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#include "db/json.h"
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#include "db/oplogreader.h"
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#include "tool.h"
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#include <fstream>
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#include <iostream>
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#include <boost/program_options.hpp>
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using namespace mongo;
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namespace po = boost::program_options;
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class OplogTool : public Tool {
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public:
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OplogTool() : Tool( "oplog" ) {
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addFieldOptions();
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add_options()
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("seconds,s" , po::value<int>() , "seconds to go back default:86400" )
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("from", po::value<string>() , "host to pull from" )
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("oplogns", po::value<string>()->default_value( "local.oplog.rs" ) , "ns to pull from" )
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;
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}
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int run() {
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if ( ! hasParam( "from" ) ) {
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log() << "need to specify --from" << endl;
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return -1;
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}
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Client::initThread( "oplogreplay" );
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log() << "going to connect" << endl;
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OplogReader r;
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r.connect( getParam( "from" ) );
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log() << "connected" << endl;
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OpTime start( time(0) - getParam( "seconds" , 86400 ) , 0 );
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log() << "starting from " << start.toStringPretty() << endl;
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string ns = getParam( "oplogns" );
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r.tailingQueryGTE( ns.c_str() , start );
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int num = 0;
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while ( r.more() ) {
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BSONObj o = r.next();
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bool print = ++num % 100000 == 0;
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if ( print )
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cout << num << "\t" << o << endl;
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if ( o["op"].String() == "n" )
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continue;
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if ( o["op"].String() == "c" ) {
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cout << "skipping: " << o << endl;
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continue;
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}
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BSONObjBuilder b( o.objsize() + 32 );
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BSONArrayBuilder updates( b.subarrayStart( "applyOps" ) );
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updates.append( o );
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updates.done();
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BSONObj c = b.obj();
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BSONObj res;
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conn().runCommand( "admin" , c , res );
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if ( print )
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cout << res << endl;
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}
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return 0;
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}
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};
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int main( int argc , char** argv ) {
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OplogTool t;
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return t.main( argc , argv );
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}
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