mirror of
https://github.com/mongodb/mongo.git
synced 2024-11-30 00:56:44 +01:00
115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
// restore.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 "../util/mmap.h"
|
|
#include "Tool.h"
|
|
|
|
#include <boost/program_options.hpp>
|
|
|
|
#include <fcntl.h>
|
|
|
|
using namespace mongo;
|
|
|
|
namespace po = boost::program_options;
|
|
|
|
class Restore : public Tool {
|
|
public:
|
|
Restore() : Tool( "restore" ){
|
|
add_options()
|
|
("dir",po::value<string>() , "directory to restore from" )
|
|
;
|
|
addPositionArg( "dir" , 1 );
|
|
}
|
|
|
|
int run(){
|
|
drillDown( getParam( "dir" ) );
|
|
return 0;
|
|
}
|
|
|
|
void drillDown( path root ) {
|
|
|
|
if ( is_directory( root ) ) {
|
|
directory_iterator end;
|
|
directory_iterator i(root);
|
|
while ( i != end ) {
|
|
path p = *i;
|
|
drillDown( p );
|
|
i++;
|
|
}
|
|
return;
|
|
}
|
|
|
|
if ( ! ( endsWith( root.string().c_str() , ".bson" ) ||
|
|
endsWith( root.string().c_str() , ".bin" ) ) ) {
|
|
cerr << "don't know what to do with [" << root.string() << "]" << endl;
|
|
return;
|
|
}
|
|
|
|
out() << root.string() << endl;
|
|
|
|
string ns;
|
|
{
|
|
string dir = root.branch_path().string();
|
|
if ( dir.find( "/" ) == string::npos )
|
|
ns += dir;
|
|
else
|
|
ns += dir.substr( dir.find_last_of( "/" ) + 1 );
|
|
}
|
|
|
|
{
|
|
string l = root.leaf();
|
|
l = l.substr( 0 , l.find_last_of( "." ) );
|
|
ns += "." + l;
|
|
}
|
|
|
|
if ( boost::filesystem::file_size( root ) == 0 )
|
|
return;
|
|
|
|
out() << "\t going into namespace [" << ns << "]" << endl;
|
|
|
|
MemoryMappedFile mmf;
|
|
assert( mmf.map( root.string().c_str() ) );
|
|
|
|
char * data = (char*)mmf.viewOfs();
|
|
int read = 0;
|
|
|
|
int num = 0;
|
|
|
|
while ( read < mmf.length() ) {
|
|
BSONObj o( data );
|
|
|
|
_conn.insert( ns.c_str() , o );
|
|
|
|
read += o.objsize();
|
|
data += o.objsize();
|
|
|
|
if ( ! ( ++num % 1000 ) )
|
|
out() << "read " << read << "/" << mmf.length() << " bytes so far. " << num << " objects" << endl;
|
|
}
|
|
|
|
out() << "\t " << num << " objects" << endl;
|
|
}
|
|
};
|
|
|
|
int main( int argc , char ** argv ) {
|
|
Restore restore;
|
|
return restore.main( argc , argv );
|
|
}
|