Files
mongo/tools/Tool.cpp
2009-06-25 16:11:38 -04:00

80 lines
2.2 KiB
C++

// Tool.cpp
#include "Tool.h"
#include <iostream>
#include <boost/filesystem/operations.hpp>
#include "util/file_allocator.h"
using namespace std;
using namespace mongo;
namespace po = boost::program_options;
mongo::Tool::Tool( string name , string defaultDB , string defaultCollection ) :
_name( name ) , _db( defaultDB ) , _coll( defaultCollection ), _useDirect() {
_options = new po::options_description( name + " options" );
_options->add_options()
("help","produce help message")
("host,h",po::value<string>(), "mongo host to connect to" )
("db,d",po::value<string>(), "database to use" )
("collection,c",po::value<string>(), "collection to use (some commands)" )
("dbpath",po::value<string>(), "directly access mongod data files in this path, instead of connecting to a mongod instance" )
;
}
mongo::Tool::~Tool(){
delete( _options );
}
void mongo::Tool::printExtraHelp( ostream & out ){
}
int mongo::Tool::main( int argc , char ** argv ){
boost::filesystem::path::default_name_check( boost::filesystem::no_check );
po::store( po::command_line_parser( argc , argv ).
options( *_options ).
positional( _positonalOptions ).run() , _params );
po::notify( _params );
if ( _params.count( "help" ) ){
_options->print( cerr );
printExtraHelp( cerr );
return 0;
}
if ( !hasParam( "dbpath" ) ) {
const char * host = "127.0.0.1";
if ( _params.count( "host" ) )
host = _params["host"].as<string>().c_str();
string errmsg;
if ( ! _conn.connect( host , errmsg ) ){
cerr << "couldn't connect to [" << host << "] " << errmsg << endl;
return -1;
}
cerr << "connected to: " << host << endl;
} else {
_useDirect = true;
static string myDbpath = getParam( "dbpath" );
mongo::dbpath = myDbpath.c_str();
mongo::acquirePathLock();
theFileAllocator().start();
}
if ( _params.count( "db" ) )
_db = _params["db"].as<string>();
if ( _params.count( "collection" ) )
_coll = _params["collection"].as<string>();
return run();
}