// driverHelpers.cpp

/**
*    Copyright (C) 2012 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/>.
*
*    As a special exception, the copyright holders give permission to link the
*    code of portions of this program with the OpenSSL library under certain
*    conditions as described in each individual source file and distribute
*    linked combinations including the program with the OpenSSL library. You
*    must comply with the GNU Affero General Public License in all respects for
*    all of the code used other than as permitted herein. If you modify file(s)
*    with this exception, you may extend this exception to your version of the
*    file(s), but you are not obligated to do so. If you do not wish to do so,
*    delete this exception statement from your version. If you delete this
*    exception statement from all source files in the program, then also delete
*    it in the license file.
*/

/**
   this file has dbcommands that are for drivers
   mostly helpers
*/


#include "mongo/platform/basic.h"

#include <string>
#include <vector>

#include "mongo/db/auth/action_set.h"
#include "mongo/db/auth/action_type.h"
#include "mongo/db/auth/privilege.h"
#include "mongo/db/commands.h"
#include "mongo/db/curop.h"
#include "mongo/db/jsobj.h"
#include "mongo/scripting/engine.h"
#include "mongo/util/background.h"

namespace mongo {

using std::string;

class BasicDriverHelper : public Command {
public:
    BasicDriverHelper(const char* name) : Command(name) {}

    virtual bool supportsWriteConcern(const BSONObj& cmd) const override {
        return false;
    }
    virtual bool slaveOk() const {
        return true;
    }
    virtual bool slaveOverrideOk() const {
        return true;
    }
};

class ObjectIdTest : public BasicDriverHelper {
public:
    ObjectIdTest() : BasicDriverHelper("driverOIDTest") {}
    virtual void addRequiredPrivileges(const std::string& dbname,
                                       const BSONObj& cmdObj,
                                       std::vector<Privilege>* out) {}  // No auth required
    virtual bool run(OperationContext* txn,
                     const string&,
                     BSONObj& cmdObj,
                     int,
                     string& errmsg,
                     BSONObjBuilder& result) {
        if (cmdObj.firstElement().type() != jstOID) {
            errmsg = "not oid";
            return false;
        }

        const OID& oid = cmdObj.firstElement().__oid();
        result.append("oid", oid);
        result.append("str", oid.toString());

        return true;
    }
} driverObjectIdTest;
}