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/*    Copyright 2013 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.
 */

#pragma once

#include "mongo/db/jsobj.h"
#include "mongo/platform/process_id.h"
#include "mongo/util/net/listen.h" // For DEFAULT_MAX_CONN

namespace mongo {

    const int DEFAULT_UNIX_PERMS = 0700;

    struct ServerGlobalParams {

        ServerGlobalParams() :
            port(DefaultDBPort), rest(false), jsonp(false), indexBuildRetry(true), quiet(false),
            configsvr(false), cpu(false), objcheck(true), defaultProfile(0),
            slowMS(100), defaultLocalThresholdMillis(15), moveParanoia(true),
            noUnixSocket(false), doFork(0), socket("/tmp"), maxConns(DEFAULT_MAX_CONN), 
            unixSocketPermissions(DEFAULT_UNIX_PERMS), logAppend(false), logRenameOnRotate(true),
            logWithSyslog(false), isHttpInterfaceEnabled(false)
        {
            started = time(0);
        }

        std::string binaryName;     // mongod or mongos
        std::string cwd;            // cwd of when process started

        int port;              // --port
        enum {
            DefaultDBPort = 27017,
            ConfigServerPort = 27019,
            ShardServerPort = 27018
        };
        bool isDefaultPort() const { return port == DefaultDBPort; }

        std::string bind_ip;        // --bind_ip
        bool rest;             // --rest
        bool jsonp;            // --jsonp

        bool indexBuildRetry;  // --noIndexBuildRetry

        bool quiet;            // --quiet

        bool configsvr;        // --configsvr

        bool cpu;              // --cpu show cpu time periodically

        bool objcheck;         // --objcheck

        int defaultProfile;    // --profile
        int slowMS;            // --time in ms that is "slow"
        int defaultLocalThresholdMillis;    // --localThreshold in ms to consider a node local
        bool moveParanoia;     // for move chunk paranoia

        bool noUnixSocket;     // --nounixsocket
        bool doFork;           // --fork
        std::string socket;    // UNIX domain socket directory

        int maxConns;          // Maximum number of simultaneous open connections.

        int unixSocketPermissions; // permissions for the UNIX domain socket

        std::string keyFile;   // Path to keyfile, or empty if none.
        std::string pidFile;   // Path to pid file, or empty if none.

        std::string logpath;   // Path to log file, if logging to a file; otherwise, empty.
        bool logAppend;        // True if logging to a file in append mode.
        bool logRenameOnRotate;// True if logging should rename log files on rotate
        bool logWithSyslog;    // True if logging to syslog; must not be set if logpath is set.
        int syslogFacility;    // Facility used when appending messages to the syslog.

        bool isHttpInterfaceEnabled; // True if the dbwebserver should be enabled.

#ifndef _WIN32
        ProcessId parentProc;      // --fork pid of initial process
        ProcessId leaderProc;      // --fork pid of leader process
#endif

        /**
         * Switches to enable experimental (unsupported) features.
         */
        struct ExperimentalFeatures {
            ExperimentalFeatures()
                : indexStatsCmdEnabled(false)
                , storageDetailsCmdEnabled(false)
            {}
            bool indexStatsCmdEnabled; // -- enableExperimentalIndexStatsCmd
            bool storageDetailsCmdEnabled; // -- enableExperimentalStorageDetailsCmd
        } experimental;

        time_t started;

        BSONArray argvArray;
        BSONObj parsedOpts;
        AtomicInt32 clusterAuthMode;    // --clusterAuthMode, the internal cluster auth mode

        enum ClusterAuthModes {
            ClusterAuthMode_undefined,
            /** 
            * Authenticate using keyfile, accept only keyfiles
            */
            ClusterAuthMode_keyFile,

            /**
            * Authenticate using keyfile, accept both keyfiles and X.509
            */
            ClusterAuthMode_sendKeyFile,

            /**
            * Authenticate using X.509, accept both keyfiles and X.509
            */
            ClusterAuthMode_sendX509,

            /**
            * Authenticate using X.509, accept only X.509
            */
            ClusterAuthMode_x509
        };
    };

    extern ServerGlobalParams serverGlobalParams;
}