// 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"

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 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;

}