diff options
Diffstat (limited to 'tools/dump.cpp')
| -rw-r--r-- | tools/dump.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/tools/dump.cpp b/tools/dump.cpp new file mode 100644 index 00000000000..4cbd2e12f3f --- /dev/null +++ b/tools/dump.cpp @@ -0,0 +1,121 @@ +// dump.cpp + +/** +* Copyright (C) 2008 10gen Inc. +* +* This program is free software: you can redistribute it and/or modify +* it under the terms of the GNU Affero General Public License, version 3, +* as published by the Free Software Foundation. +* +* 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 Affero General Public License for more details. +* +* You should have received a copy of the GNU Affero General Public License +* along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "../stdafx.h" +#include "../client/dbclient.h" +#include "tool.h" + +#include <fcntl.h> + +using namespace mongo; + +namespace po = boost::program_options; + +class Dump : public Tool { +public: + Dump() : Tool( "dump" , "*" ){ + add_options() + ("out,o", po::value<string>()->default_value("dump"), "output directory") + ; + } + + void doCollection( const string coll , path outputFile ) { + cout << "\t" << coll << " to " << outputFile.string() << endl; + + ofstream out; + out.open( outputFile.string().c_str() , ios_base::out | ios_base::binary ); + uassert( 10262 , "couldn't open file" , out.good() ); + + ProgressMeter m( conn( true ).count( coll.c_str() , BSONObj() , QueryOption_SlaveOk ) ); + + auto_ptr<DBClientCursor> cursor = conn( true ).query( coll.c_str() , Query().snapshot() , 0 , 0 , 0 , QueryOption_SlaveOk | QueryOption_NoCursorTimeout ); + + while ( cursor->more() ) { + BSONObj obj = cursor->next(); + out.write( obj.objdata() , obj.objsize() ); + m.hit(); + } + + cout << "\t\t " << m.done() << " objects" << endl; + + out.close(); + } + + void go( const string db , const path outdir ) { + cout << "DATABASE: " << db << "\t to \t" << outdir.string() << endl; + + create_directories( outdir ); + + string sns = db + ".system.namespaces"; + + auto_ptr<DBClientCursor> cursor = conn( true ).query( sns.c_str() , Query() , 0 , 0 , 0 , QueryOption_SlaveOk | QueryOption_NoCursorTimeout ); + while ( cursor->more() ) { + BSONObj obj = cursor->next(); + if ( obj.toString().find( ".$" ) != string::npos ) + continue; + + const string name = obj.getField( "name" ).valuestr(); + const string filename = name.substr( db.size() + 1 ); + + if ( _coll.length() > 0 && db + "." + _coll != name && _coll != name ) + continue; + + doCollection( name.c_str() , outdir / ( filename + ".bson" ) ); + + } + + } + + int run(){ + + path root( getParam("out") ); + string db = _db; + + if ( db == "*" ){ + cout << "all dbs" << endl; + auth( "admin" ); + + BSONObj res = conn( true ).findOne( "admin.$cmd" , BSON( "listDatabases" << 1 ) ); + BSONObj dbs = res.getField( "databases" ).embeddedObjectUserCheck(); + set<string> keys; + dbs.getFieldNames( keys ); + for ( set<string>::iterator i = keys.begin() ; i != keys.end() ; i++ ) { + string key = *i; + + BSONObj dbobj = dbs.getField( key ).embeddedObjectUserCheck(); + + const char * dbName = dbobj.getField( "name" ).valuestr(); + if ( (string)dbName == "local" ) + continue; + + go ( dbName , root / dbName ); + } + } + else { + auth( db ); + go( db , root / db ); + } + return 0; + } + +}; + +int main( int argc , char ** argv ) { + Dump d; + return d.main( argc , argv ); +} |
