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// serverSwitch.java
// -------------------------------------------
// (C) by Michael Peter Christen; mc@anomic.de
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
// last major change: 04.02.2004
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Using this software in any meaning (reading, learning, copying, compiling,
// running) means that you agree that the Author(s) is (are) not responsible
// for cost, loss of data or any harm that may be caused directly or indirectly
// by usage of this softare or this documentation. The usage of this software
// is on your own risk. The installation and usage (starting/running) of this
// software may allow other people or application to access your computer and
// any attached devices and is highly dependent on the configuration of the
// software which must be done by the user of the software; the author(s) is
// (are) also not responsible for proper configuration and usage of the
// software, even if provoked by documentation provided together with
// the software.
//
// Any changes to this file according to the GPL as documented in the file
// gpl.txt aside this file in the shipment you received can be done to the
// lines that follows this copyright notice here, but changes must not be
// done inside the copyright notive above. A re-distribution must contain
// the intact and unchanged copyright notice.
// Contributions and changes to the program code must be marked as such.
/*
this is an interface for possible switchboard implementations
Its purpose is to provide a mechanism which cgi pages can use
to influence the behavior of a concurrntly running application
*/
package de.anomic.server;
import java.net.*;
import java.util.*;
public interface serverSwitch {
// the root path for the application
public String getRootPath();
// the switchboard can be used to set and read properties
public void setConfig(String key, String value);
public String getConfig(String key, String dflt);
public Enumeration configKeys();
// the switchboard can manage worker threads
public void deployThread(String threadName, String threadShortDescription, String threadLongDescription,
serverThread newThread, serverLog log,
long startupDelay, long initialIdleSleep, long initialBusySleep);
public serverThread getThread(String threadName);
public void setThreadSleep(String threadName, long idleMillis, long busyMillis);
public void terminateThread(String threadName, boolean waitFor);
public void terminateAllThreads(boolean waitFor);
public Iterator /*of serverThread-Names (String)*/ threadNames();
// the switchboard also shall maintain a job list
// jobs can be queued by submitting a job object
// to work off a queue job, use deQueue, which is meant to
// work off exactly only one job, not all
public int queueSize();
public void enQueue(Object job);
public void deQueue();
// authentification routines: sets and reads access attributes according to host addresses
public void setAuthentify(InetAddress host, String user, String rigth);
public void removeAuthentify(InetAddress host);
public String getAuthentifyUser(InetAddress host);
public String getAuthentifyRights(InetAddress host);
public void addAuthentifyRight(InetAddress host, String right);
public boolean hasAuthentifyRight(InetAddress host, String right);
// ask the switchboard to perform an action
// the result is a properties structure with the result of the action
// The actionName selects an action
// the actionInput is an input for the selected action
public serverObjects action(String actionName, serverObjects actionInput);
// performance control: the server can announce busy and idle status to the switchboard
// these announcements can be used to trigger events or interrupts
public void handleBusyState(int jobs);
}
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