mongo/dbgrid/dbgrid_commands.cpp

// dbgrid/request.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/>.
*/

/* TODO
   _ concurrency control.
     _ connection pool
     _ hostbyname_nonreentrant() problem
   _ gridconfig object which gets config from the grid db.
     connect to iad-sb-grid
   _ limit() works right?
   _ KillCursors

   later
   _ secondary indexes
*/

#include "stdafx.h"
#include "../grid/message.h"
#include "../db/dbmessage.h"
#include "../client/connpool.h"
#include "../db/commands.h"
#include "gridconfig.h"

namespace mongo {

    extern string ourHostname;

    namespace dbgrid_cmds {

        class NetStatCmd : public Command {
        public:
            virtual bool slaveOk() {
                return true;
            }
            NetStatCmd() : Command("netstat") { }
            bool run(const char *ns, BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool) {
                result.append("griddb", gridDatabase.toString());
                result.append("isdbgrid", 1);
                return true;
            }
        } netstat;

        class IsDbGridCmd : public Command {
        public:
            virtual bool slaveOk() {
                return true;
            }
            IsDbGridCmd() : Command("isdbgrid") { }
            bool run(const char *ns, BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool) {
                result.append("isdbgrid", 1);
                result.append("hostname", ourHostname);
                return true;
            }
        } isdbgrid;

        class CmdIsMaster : public Command {
        public:
            virtual bool requiresAuth() { return false; }
            virtual bool slaveOk() {
                return true;
            }
            CmdIsMaster() : Command("ismaster") { }
            virtual bool run(const char *ns, BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool) {
                result.append("ismaster", 0.0);
                result.append("msg", "isdbgrid");
                return true;
            }
        } ismaster;

    }

} // namespace mongo