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