You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
388 lines
14 KiB
388 lines
14 KiB
// serverAbstractSwitch.java
|
|
// -------------------------------------
|
|
// (C) by Michael Peter Christen; mc@anomic.de
|
|
// first published on http://www.anomic.de
|
|
// Frankfurt, Germany, 2004, 2005
|
|
// last major change: 24.03.2005
|
|
//
|
|
// 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.
|
|
|
|
package de.anomic.server;
|
|
|
|
import java.io.BufferedInputStream;
|
|
import java.io.BufferedOutputStream;
|
|
import java.io.File;
|
|
import java.io.FileInputStream;
|
|
import java.io.FileOutputStream;
|
|
import java.io.IOException;
|
|
import java.io.PrintWriter;
|
|
import java.net.InetAddress;
|
|
import java.util.HashMap;
|
|
import java.util.Hashtable;
|
|
import java.util.Iterator;
|
|
import java.util.Map;
|
|
import java.util.Properties;
|
|
import java.util.TreeMap;
|
|
|
|
import de.anomic.server.logging.serverLog;
|
|
|
|
public abstract class serverAbstractSwitch implements serverSwitch {
|
|
|
|
// configuration management
|
|
private final File configFile;
|
|
private Map configProps;
|
|
private final String configComment;
|
|
private final HashMap authorization;
|
|
private String rootPath;
|
|
private final TreeMap workerThreads;
|
|
private final TreeMap switchActions;
|
|
protected serverLog log;
|
|
protected int serverJobs;
|
|
|
|
public serverAbstractSwitch(String rootPath, String initPath, String configPath) throws IOException {
|
|
// we initialize the switchboard with a property file,
|
|
// but maintain these properties then later in a new 'config' file
|
|
// to reset all changed configs, the config file must
|
|
// be deleted, but not the init file
|
|
// the only attribute that will always be read from the init is the
|
|
// file name of the config file
|
|
this.rootPath = rootPath;
|
|
configComment = "This is an automatically generated file, updated by serverAbstractSwitch and initialized by " + initPath;
|
|
File initFile = new File(rootPath, initPath);
|
|
configFile = new File(rootPath, configPath); //propertiesFile(config);
|
|
new File(configFile.getParent()).mkdir();
|
|
|
|
// predefine init's
|
|
Map initProps;
|
|
if (initFile.exists()) initProps = serverFileUtils.loadHashMap(initFile); else initProps = new HashMap();
|
|
|
|
// load config's from last save
|
|
if (configFile.exists()) configProps = serverFileUtils.loadHashMap(configFile); else configProps = new HashMap();
|
|
|
|
synchronized (configProps) {
|
|
|
|
// remove all values from config that do not appear in init (out-dated settings)
|
|
Iterator i = configProps.keySet().iterator();
|
|
String key;
|
|
while (i.hasNext()) {
|
|
key = (String) i.next();
|
|
if (!(initProps.containsKey(key))) i.remove();
|
|
}
|
|
|
|
// merge new props from init to config
|
|
// this is necessary for migration, when new properties are attached
|
|
initProps.putAll(configProps);
|
|
configProps = initProps;
|
|
|
|
// save result; this may initially create a config file after initialization
|
|
saveConfig();
|
|
}
|
|
|
|
// other settings
|
|
authorization = new HashMap();
|
|
|
|
// init thread control
|
|
workerThreads = new TreeMap();
|
|
|
|
// init switch actions
|
|
switchActions = new TreeMap();
|
|
|
|
// init busy state control
|
|
serverJobs = 0;
|
|
}
|
|
|
|
// a logger for this switchboard
|
|
public void setLog(serverLog log) {
|
|
this.log = log;
|
|
}
|
|
|
|
public serverLog getLog() {
|
|
return log;
|
|
}
|
|
|
|
public void setConfig(String key, long value) {
|
|
setConfig(key, Long.toString(value));
|
|
}
|
|
|
|
public void setConfig(String key, String value) {
|
|
// perform action before setting new value
|
|
Map.Entry entry;
|
|
serverSwitchAction action;
|
|
Iterator i = switchActions.entrySet().iterator();
|
|
while (i.hasNext()) {
|
|
entry = (Map.Entry) i.next();
|
|
action = (serverSwitchAction) entry.getValue();
|
|
try {
|
|
action.doBevoreSetConfig(key, value);
|
|
} catch (Exception e) {
|
|
log.logError("serverAction bevoreSetConfig '" + action.getShortDescription() + "' failed with exception: " + e.getMessage());
|
|
}
|
|
}
|
|
|
|
// set the value
|
|
String oldValue = (String) configProps.put(key, value);
|
|
saveConfig();
|
|
|
|
// perform actions afterwards
|
|
i = switchActions.entrySet().iterator();
|
|
while (i.hasNext()) {
|
|
entry = (Map.Entry) i.next();
|
|
action = (serverSwitchAction) entry.getValue();
|
|
try {
|
|
action.doAfterSetConfig(key, value, oldValue);
|
|
} catch (Exception e) {
|
|
log.logError("serverAction afterSetConfig '" + action.getShortDescription() + "' failed with exception: " + e.getMessage());
|
|
}
|
|
}
|
|
}
|
|
|
|
public String getConfig(String key, String dflt) {
|
|
// get the value
|
|
String s = (String) configProps.get(key);
|
|
|
|
// do action
|
|
Map.Entry entry;
|
|
serverSwitchAction action;
|
|
Iterator i = switchActions.entrySet().iterator();
|
|
while (i.hasNext()) {
|
|
entry = (Map.Entry) i.next();
|
|
action = (serverSwitchAction) entry.getValue();
|
|
try {
|
|
action.doWhenGetConfig(key, s, dflt);
|
|
} catch (Exception e) {
|
|
log.logError("serverAction whenGetConfig '" + action.getShortDescription() + "' failed with exception: " + e.getMessage());
|
|
}
|
|
}
|
|
|
|
// return value
|
|
if (s == null) return dflt; else return s;
|
|
}
|
|
|
|
public Iterator configKeys() {
|
|
return configProps.keySet().iterator();
|
|
}
|
|
|
|
private void saveConfig() {
|
|
try {
|
|
serverFileUtils.saveMap(configFile, configProps, configComment);
|
|
} catch (IOException e) {
|
|
System.out.println("ERROR: cannot write config file " + configFile.toString() + ": " + e.getMessage());
|
|
}
|
|
}
|
|
|
|
|
|
// add/remove action listener
|
|
public void deployAction(String actionName, String actionShortDescription, String actionLongDescription,
|
|
serverSwitchAction newAction) {
|
|
newAction.setLog(log);
|
|
newAction.setDescription(actionShortDescription, actionLongDescription);
|
|
switchActions.put(actionName, newAction);
|
|
log.logInfo("Deployed Action '" + actionShortDescription + "', (" + switchActions.size() + " actions registered)");
|
|
}
|
|
|
|
public void undeployAction(String actionName) {
|
|
serverSwitchAction action = (serverSwitchAction) switchActions.get(actionName);
|
|
action.close();
|
|
switchActions.remove(actionName);
|
|
log.logInfo("Undeployed Action '" + action.getShortDescription() + "', (" + switchActions.size() + " actions registered)");
|
|
}
|
|
|
|
public void deployThread(
|
|
String threadName,
|
|
String threadShortDescription,
|
|
String threadLongDescription,
|
|
String threadMonitorURL,
|
|
serverThread newThread,
|
|
long startupDelay) {
|
|
deployThread(threadName, threadShortDescription, threadLongDescription, threadMonitorURL,
|
|
newThread, startupDelay,
|
|
Long.parseLong(getConfig(threadName + "_idlesleep" , "100")),
|
|
Long.parseLong(getConfig(threadName + "_busysleep" , "1000")),
|
|
Long.parseLong(getConfig(threadName + "_memprereq" , "1000000")));
|
|
}
|
|
|
|
public void deployThread(
|
|
String threadName,
|
|
String threadShortDescription,
|
|
String threadLongDescription,
|
|
String threadMonitorURL,
|
|
serverThread newThread,
|
|
long startupDelay,
|
|
long initialIdleSleep,
|
|
long initialBusySleep,
|
|
long initialMemoryPreRequisite) {
|
|
if (newThread.isAlive()) throw new RuntimeException("undeployed threads must not live; they are started as part of the deployment");
|
|
newThread.setStartupSleep(startupDelay);
|
|
long x;
|
|
try {
|
|
x = Long.parseLong(getConfig(threadName + "_idlesleep" , "novalue"));
|
|
newThread.setIdleSleep(x);
|
|
} catch (NumberFormatException e) {
|
|
newThread.setIdleSleep(initialIdleSleep);
|
|
setConfig(threadName + "_idlesleep", initialIdleSleep);
|
|
}
|
|
try {
|
|
x = Long.parseLong(getConfig(threadName + "_busysleep" , "novalue"));
|
|
newThread.setBusySleep(x);
|
|
} catch (NumberFormatException e) {
|
|
newThread.setBusySleep(initialBusySleep);
|
|
setConfig(threadName + "_busysleep", initialBusySleep);
|
|
}
|
|
try {
|
|
x = Long.parseLong(getConfig(threadName + "_memprereq" , "novalue"));
|
|
newThread.setMemPreReqisite(x);
|
|
} catch (NumberFormatException e) {
|
|
newThread.setMemPreReqisite(initialMemoryPreRequisite);
|
|
setConfig(threadName + "_memprereq", initialMemoryPreRequisite);
|
|
}
|
|
newThread.setLog(log);
|
|
newThread.setDescription(threadShortDescription, threadLongDescription, threadMonitorURL);
|
|
workerThreads.put(threadName, newThread);
|
|
// start the thread
|
|
if (workerThreads.containsKey(threadName)) newThread.start();
|
|
}
|
|
|
|
public serverThread getThread(String threadName) {
|
|
return (serverThread) workerThreads.get(threadName);
|
|
}
|
|
|
|
public void setThreadPerformance(String threadName, long idleMillis, long busyMillis, long memprereqBytes) {
|
|
serverThread thread = (serverThread) workerThreads.get(threadName);
|
|
if (thread != null) {
|
|
thread.setIdleSleep(idleMillis);
|
|
thread.setBusySleep(busyMillis);
|
|
thread.setMemPreReqisite(memprereqBytes);
|
|
}
|
|
}
|
|
|
|
public synchronized void terminateThread(String threadName, boolean waitFor) {
|
|
if (workerThreads.containsKey(threadName)) {
|
|
((serverThread) workerThreads.get(threadName)).terminate(waitFor);
|
|
workerThreads.remove(threadName);
|
|
}
|
|
}
|
|
|
|
public void intermissionAllThreads(long pause) {
|
|
Iterator e = workerThreads.keySet().iterator();
|
|
while (e.hasNext()) {
|
|
((serverThread) workerThreads.get((String) e.next())).intermission(pause);
|
|
}
|
|
}
|
|
|
|
public synchronized void terminateAllThreads(boolean waitFor) {
|
|
Iterator e = workerThreads.keySet().iterator();
|
|
while (e.hasNext()) {
|
|
((serverThread) workerThreads.get((String) e.next())).terminate(false);
|
|
}
|
|
if (waitFor) {
|
|
e = workerThreads.keySet().iterator();
|
|
while (e.hasNext()) {
|
|
((serverThread) workerThreads.get((String) e.next())).terminate(true);
|
|
e.remove();
|
|
}
|
|
}
|
|
}
|
|
|
|
public Iterator /*of serverThread-Names (String)*/ threadNames() {
|
|
return workerThreads.keySet().iterator();
|
|
}
|
|
|
|
abstract public int queueSize();
|
|
abstract public void enQueue(Object job);
|
|
abstract public boolean deQueue();
|
|
|
|
|
|
// authentification routines:
|
|
|
|
public void setAuthentify(InetAddress host, String user, String rights) {
|
|
// sets access attributes according to host addresses
|
|
authorization.put(host, user + "@" + rights);
|
|
}
|
|
|
|
public void removeAuthentify(InetAddress host) {
|
|
// remove access attributes according to host addresses
|
|
authorization.remove(host);
|
|
}
|
|
|
|
public String getAuthentifyUser(InetAddress host) {
|
|
// read user name according to host addresses
|
|
String a = (String) authorization.get(host);
|
|
if (a == null) return null;
|
|
int p = a.indexOf("@");
|
|
if (p < 0) return null;
|
|
return a.substring(0, p);
|
|
}
|
|
|
|
public String getAuthentifyRights(InetAddress host) {
|
|
// read access rigths according to host addresses
|
|
String a = (String) authorization.get(host);
|
|
if (a == null) return null;
|
|
int p = a.indexOf("@");
|
|
if (p < 0) return null;
|
|
return a.substring(p + 1);
|
|
}
|
|
|
|
public void addAuthentifyRight(InetAddress host, String right) {
|
|
String rights = getAuthentifyRights(host);
|
|
if (rights == null) {
|
|
// create new authentification
|
|
setAuthentify(host, "unknown", right);
|
|
} else {
|
|
// add more authentification
|
|
String user = getAuthentifyUser(host);
|
|
setAuthentify(host, user, rights + right);
|
|
}
|
|
}
|
|
|
|
public boolean hasAuthentifyRight(InetAddress host, String right) {
|
|
String rights = getAuthentifyRights(host);
|
|
if (rights == null) return false;
|
|
return rights.indexOf(right) >= 0;
|
|
}
|
|
|
|
public abstract serverObjects action(String actionName, serverObjects actionInput);
|
|
|
|
public String getRootPath() {
|
|
return rootPath;
|
|
}
|
|
|
|
public String toString() {
|
|
return configProps.toString();
|
|
}
|
|
|
|
public void handleBusyState(int jobs) {
|
|
serverJobs = jobs;
|
|
}
|
|
}
|