/*

 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.net.httpserver;

import java.lang.System.Logger;

import java.lang.System.Logger.Level;

import java.security.PrivilegedAction;

/**

 * Parameters that users will not likely need to set

 * but are useful for debugging

 */

class ServerConfig {

    private static final int DEFAULT_CLOCK_TICK = 10000 ; // 10 sec.

    /* These values must be a reasonable multiple of clockTick */

    private static final long DEFAULT_IDLE_INTERVAL = 30 ; // 5 min

    private static final int DEFAULT_MAX_IDLE_CONNECTIONS = 200 ;

    private static final long DEFAULT_MAX_REQ_TIME = -1; // default: forever

    private static final long DEFAULT_MAX_RSP_TIME = -1; // default: forever

    private static final long DEFAULT_TIMER_MILLIS = 1000;

    private static final int  DEFAULT_MAX_REQ_HEADERS = 200;

    private static final long DEFAULT_DRAIN_AMOUNT = 64 * 1024;

    private static int clockTick;

    private static long idleInterval;

    // The maximum number of bytes to drain from an inputstream

    private static long drainAmount;

    private static int maxIdleConnections;

    // The maximum number of request headers allowable

    private static int maxReqHeaders;

    // max time a request or response is allowed to take

    private static long maxReqTime;

    private static long maxRspTime;

    private static long timerMillis;

    private static boolean debug;

    // the value of the TCP_NODELAY socket-level option

    private static boolean noDelay;

    static {

        java.security.AccessController.doPrivileged(

            new PrivilegedAction<Void>() {

                @Override

                public Void run () {

                    idleInterval = Long.getLong("sun.net.httpserver.idleInterval",

                            DEFAULT_IDLE_INTERVAL) * 1000;

                    clockTick = Integer.getInteger("sun.net.httpserver.clockTick",

                            DEFAULT_CLOCK_TICK);

                    maxIdleConnections = Integer.getInteger(

                            "sun.net.httpserver.maxIdleConnections",

                            DEFAULT_MAX_IDLE_CONNECTIONS);

                    drainAmount = Long.getLong("sun.net.httpserver.drainAmount",

                            DEFAULT_DRAIN_AMOUNT);

                    maxReqHeaders = Integer.getInteger(

                            "sun.net.httpserver.maxReqHeaders",

                            DEFAULT_MAX_REQ_HEADERS);

                    maxReqTime = Long.getLong("sun.net.httpserver.maxReqTime",

                            DEFAULT_MAX_REQ_TIME);

                    maxRspTime = Long.getLong("sun.net.httpserver.maxRspTime",

                            DEFAULT_MAX_RSP_TIME);

                    timerMillis = Long.getLong("sun.net.httpserver.timerMillis",

                            DEFAULT_TIMER_MILLIS);

                    debug = Boolean.getBoolean("sun.net.httpserver.debug");

                    noDelay = Boolean.getBoolean("sun.net.httpserver.nodelay");

                    return null;

                }

            });

    }

    static void checkLegacyProperties(final Logger logger) {

        // legacy properties that are no longer used

        // print a warning to logger if they are set.

        java.security.AccessController.doPrivileged(

            new PrivilegedAction<Void>() {

                public Void run () {

                    if (System.getProperty("sun.net.httpserver.readTimeout")

                                                !=null)

                    {

                        logger.log (Level.WARNING,

                            "sun.net.httpserver.readTimeout "+

                            "property is no longer used. "+

                            "Use sun.net.httpserver.maxReqTime instead."

                        );

                    }

                    if (System.getProperty("sun.net.httpserver.writeTimeout")

                                                !=null)

                    {

                        logger.log (Level.WARNING,

                            "sun.net.httpserver.writeTimeout "+

                            "property is no longer used. Use "+

                            "sun.net.httpserver.maxRspTime instead."

                        );

                    }

                    if (System.getProperty("sun.net.httpserver.selCacheTimeout")

                                                !=null)

                    {

                        logger.log (Level.WARNING,

                            "sun.net.httpserver.selCacheTimeout "+

                            "property is no longer used."

                        );

                    }

                    return null;

                }

            }

        );

    }

    static boolean debugEnabled() {

        return debug;

    }

    static long getIdleInterval() {

        return idleInterval;

    }

    static int getClockTick() {

        return clockTick;

    }

    static int getMaxIdleConnections() {

        return maxIdleConnections;

    }

    static long getDrainAmount() {

        return drainAmount;

    }

    static int getMaxReqHeaders() {

        return maxReqHeaders;

    }

    static long getMaxReqTime() {

        return maxReqTime;

    }

    static long getMaxRspTime() {

        return maxRspTime;

    }

    static long getTimerMillis() {

        return timerMillis;

    }

    static boolean noDelay() {

        return noDelay;

    }

}