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// import.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 <boost/program_options.hpp>
#include <fcntl.h>
namespace po = boost::program_options;
namespace import {
void drillDown( DBClientConnection & conn , path root ){
if ( is_directory( root ) ){
directory_iterator end;
directory_iterator i(root);
while ( i != end ){
path p = *i;
drillDown( conn , 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;
}
cout << 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;
}
cout << "\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() ){
if ( ! *data ){
cout << "\t ** got unexpected end of file ** continuing..." << endl;
break;
}
BSONObj o( data );
conn.insert( ns.c_str() , o );
read += o.objsize();
data += o.objsize();
if ( ! ( ++num % 1000 ) )
cout << "read " << read << "/" << mmf.length() << " bytes so far. " << num << " objects" << endl;
}
cout << "\t " << num << " objects" << endl;
}
void go( const char * dbHost , const char * dirRoot ){
DBClientConnection conn;
string errmsg;
if ( ! conn.connect( dbHost , errmsg ) ){
cout << "couldn't connect : " << errmsg << endl;
throw -11;
}
drillDown( conn , dirRoot );
}
}
int main( int argc , char ** argv ){
boost::filesystem::path::default_name_check( boost::filesystem::no_check );
po::options_description options("import parameters");
options.add_options()
("help", "produce help message")
("host,h", po::value<string>() , "mongo host to connect to")
("dir" , po::value<string>(), "directory to import from" )
;
po::positional_options_description argsOptions;
argsOptions.add( "dir" , 1 );
po::variables_map vm;
po::store( po::command_line_parser( argc , argv ).
options(options).positional(argsOptions).run(), vm );
po::notify(vm);
if ( vm.count("help") ){
options.print( cerr );
return 1;
}
const char * host = "127.0.0.1";
const char * dir = "dump";
if ( vm.count( "host" ) )
host = vm["host"].as<string>().c_str();
if ( vm.count( "dir" ) )
dir = vm["dir"].as<string>().c_str();
cout << "mongo dump" << endl;
cout << "\t host \t" << host << endl;
cout << "\t dir \t" << dir << endl;
import::go( host , dir );
return 0;
}
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