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.
656 lines
24 KiB
656 lines
24 KiB
// serverSwitch.java
|
|
// -------------------------------------
|
|
// (C) by Michael Peter Christen; mc@yacy.net
|
|
// 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
|
|
|
|
package net.yacy.server;
|
|
|
|
import java.io.BufferedInputStream;
|
|
import java.io.ByteArrayInputStream;
|
|
import java.io.File;
|
|
import java.io.FileNotFoundException;
|
|
import java.io.FileOutputStream;
|
|
import java.io.FileReader;
|
|
import java.io.IOException;
|
|
import java.io.InputStreamReader;
|
|
import java.io.Reader;
|
|
import java.net.InetAddress;
|
|
import java.util.Collection;
|
|
import java.util.Iterator;
|
|
import java.util.Map;
|
|
import java.util.NavigableMap;
|
|
import java.util.Random;
|
|
import java.util.TreeMap;
|
|
import java.util.concurrent.ConcurrentHashMap;
|
|
import java.util.concurrent.ConcurrentMap;
|
|
|
|
import net.yacy.cora.order.Digest;
|
|
import net.yacy.cora.protocol.ClientIdentification;
|
|
import net.yacy.cora.protocol.Domains;
|
|
import net.yacy.cora.protocol.HeaderFramework;
|
|
import net.yacy.cora.protocol.RequestHeader;
|
|
import net.yacy.cora.protocol.http.HTTPClient;
|
|
import net.yacy.cora.util.ConcurrentLog;
|
|
import net.yacy.http.HttpServer;
|
|
import net.yacy.kelondro.util.FileUtils;
|
|
import net.yacy.kelondro.workflow.BusyThread;
|
|
import net.yacy.kelondro.workflow.WorkflowThread;
|
|
import net.yacy.server.serverAccessTracker.Track;
|
|
import net.yacy.server.serverCore.Session;
|
|
|
|
public class serverSwitch
|
|
{
|
|
|
|
// configuration management
|
|
private final File configFile;
|
|
private final String configComment;
|
|
public final File dataPath;
|
|
public final File appPath;
|
|
protected boolean firstInit;
|
|
public ConcurrentLog log;
|
|
protected int serverJobs;
|
|
private ConcurrentMap<String, String> configProps;
|
|
private final ConcurrentMap<String, String> configRemoved;
|
|
private final ConcurrentMap<InetAddress, String> authorization;
|
|
private final NavigableMap<String, BusyThread> workerThreads;
|
|
private final serverAccessTracker accessTracker;
|
|
private HttpServer httpserver;
|
|
|
|
public serverSwitch(
|
|
final File dataPath,
|
|
final File appPath,
|
|
final String initPath,
|
|
final String configPath) {
|
|
// 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.dataPath = dataPath;
|
|
this.appPath = appPath;
|
|
this.configComment = "This is an automatically generated file, updated by serverAbstractSwitch and initialized by " + initPath;
|
|
final File initFile = new File(appPath, initPath);
|
|
this.configFile = new File(dataPath, configPath); // propertiesFile(config);
|
|
this.firstInit = !this.configFile.exists(); // this is true if the application was started for the first time
|
|
new File(this.configFile.getParent()).mkdir();
|
|
|
|
// predefine init's
|
|
final ConcurrentMap<String, String> initProps;
|
|
if ( initFile.exists() ) {
|
|
initProps = FileUtils.loadMap(initFile);
|
|
} else {
|
|
initProps = new ConcurrentHashMap<String, String>();
|
|
}
|
|
|
|
// load config's from last save
|
|
if ( this.configFile.exists() ) {
|
|
this.configProps = FileUtils.loadMap(this.configFile);
|
|
} else {
|
|
this.configProps = new ConcurrentHashMap<String, String>();
|
|
}
|
|
|
|
// remove all values from config that do not appear in init
|
|
this.configRemoved = new ConcurrentHashMap<String, String>();
|
|
synchronized ( this.configProps ) {
|
|
Iterator<String> i = this.configProps.keySet().iterator();
|
|
String key;
|
|
while ( i.hasNext() ) {
|
|
key = i.next();
|
|
if ( !(initProps.containsKey(key)) ) {
|
|
this.configRemoved.put(key, this.configProps.get(key));
|
|
i.remove();
|
|
}
|
|
}
|
|
|
|
// merge new props from init to config
|
|
// this is necessary for migration, when new properties are attached
|
|
initProps.putAll(this.configProps);
|
|
this.configProps = initProps;
|
|
|
|
// save result; this may initially create a config file after initialization
|
|
saveConfig();
|
|
}
|
|
|
|
// other settings
|
|
this.authorization = new ConcurrentHashMap<InetAddress, String>();
|
|
|
|
// init thread control
|
|
this.workerThreads = new TreeMap<String, BusyThread>();
|
|
|
|
// init busy state control
|
|
this.serverJobs = 0;
|
|
|
|
// init server tracking
|
|
this.accessTracker =
|
|
new serverAccessTracker(
|
|
getConfigLong("server.maxTrackingTime", 60 * 60 * 1000),
|
|
(int) getConfigLong("server.maxTrackingCount", 1000),
|
|
(int) getConfigLong("server.maxTrackingHostCount", 100));
|
|
}
|
|
|
|
/**
|
|
* get my public IP, either set statically or figure out dynamic
|
|
* @return
|
|
*/
|
|
public String myPublicIP() {
|
|
// if a static IP was configured, we have to return it here ...
|
|
final String staticIP = getConfig("staticIP", "");
|
|
if ( !"".equals(staticIP) ) return staticIP;
|
|
|
|
// otherwise we return the real IP address of this host
|
|
final InetAddress pLIP = Domains.myPublicLocalIP();
|
|
if ( pLIP != null ) return pLIP.getHostAddress();
|
|
return null;
|
|
}
|
|
|
|
// a logger for this switchboard
|
|
public void setLog(final ConcurrentLog log) {
|
|
this.log = log;
|
|
}
|
|
|
|
public ConcurrentLog getLog() {
|
|
return this.log;
|
|
}
|
|
|
|
/**
|
|
* add whole map of key-value pairs to config
|
|
* @param otherConfigs
|
|
*/
|
|
public void setConfig(final Map<String, String> otherConfigs) {
|
|
final Iterator<Map.Entry<String, String>> i = otherConfigs.entrySet().iterator();
|
|
Map.Entry<String, String> entry;
|
|
while ( i.hasNext() ) {
|
|
entry = i.next();
|
|
setConfig(entry.getKey(), entry.getValue());
|
|
}
|
|
}
|
|
|
|
public void setConfig(final String key, final boolean value) {
|
|
setConfig(key, (value) ? "true" : "false");
|
|
}
|
|
|
|
public void setConfig(final String key, final long value) {
|
|
setConfig(key, Long.toString(value));
|
|
}
|
|
|
|
public void setConfig(final String key, final float value) {
|
|
setConfig(key, Float.toString(value));
|
|
}
|
|
|
|
public void setConfig(final String key, final String value) {
|
|
// set the value
|
|
final String oldValue = this.configProps.put(key, value);
|
|
if ( oldValue == null || !value.equals(oldValue) ) {
|
|
saveConfig();
|
|
}
|
|
}
|
|
|
|
public void removeConfig(final String key) {
|
|
this.configProps.remove(key);
|
|
}
|
|
|
|
/**
|
|
* Gets a configuration parameter from the properties.
|
|
*
|
|
* @param key name of the configuration parameter
|
|
* @param dflt default value which will be used in case parameter can not be found or if it is invalid
|
|
* @return value if the parameter or default value
|
|
*/
|
|
public String getConfig(final String key, final String dflt) {
|
|
// get the value
|
|
final String s = this.configProps.get(key);
|
|
|
|
// return value
|
|
if ( s == null ) {
|
|
return dflt;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
/**
|
|
* Gets a configuration parameter from the properties.
|
|
*
|
|
* @param key name of the configuration parameter
|
|
* @param dflt default value which will be used in case parameter can not be found or if it is invalid
|
|
* @return value if the parameter or default value
|
|
*/
|
|
public long getConfigLong(final String key, final long dflt) {
|
|
try {
|
|
return Long.parseLong(getConfig(key, Long.toString(dflt)));
|
|
} catch (final NumberFormatException e ) {
|
|
return dflt;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets a configuration parameter from the properties.
|
|
*
|
|
* @param key name of the configuration parameter
|
|
* @param dflt default value which will be used in case parameter can not be found or if it is invalid
|
|
* @return value if the parameter or default value
|
|
*/
|
|
public float getConfigFloat(final String key, final float dflt) {
|
|
try {
|
|
return Float.parseFloat(getConfig(key, Float.toString(dflt)));
|
|
} catch (final NumberFormatException e ) {
|
|
return dflt;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets a configuration parameter from the properties.
|
|
*
|
|
* @param key name of the configuration parameter
|
|
* @param dflt default value which will be used in case parameter can not be found or if it is invalid
|
|
* @return value if the parameter or default value
|
|
*/
|
|
public int getConfigInt(final String key, final int dflt) {
|
|
try {
|
|
return Integer.parseInt(getConfig(key, Integer.toString(dflt)));
|
|
} catch (final NumberFormatException e ) {
|
|
return dflt;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets a configuration parameter from the properties.
|
|
*
|
|
* @param key name of the configuration parameter
|
|
* @param dflt default value which will be used in case parameter can not be found or if it is invalid
|
|
* @return value if the parameter or default value
|
|
*/
|
|
public boolean getConfigBool(final String key, final boolean dflt) {
|
|
return Boolean.parseBoolean(getConfig(key, Boolean.toString(dflt)));
|
|
}
|
|
|
|
/**
|
|
* Create a File instance for a configuration setting specifying a path.
|
|
*
|
|
* @param key config key
|
|
* @param dflt default path value, that is used when there is no value <code>key</code> in the
|
|
* configuration.
|
|
* @return if the value of the setting is an absolute path String, then the returned File is derived from
|
|
* this setting only. Otherwise the path's file is constructed from the applications root path +
|
|
* the relative path setting.
|
|
*/
|
|
public File getDataPath(final String key, final String dflt) {
|
|
return getFileByPath(key, dflt, this.dataPath);
|
|
}
|
|
|
|
/**
|
|
* return file at path from config entry "key", or fallback to default dflt
|
|
* @param key
|
|
* @param dflt
|
|
* @return
|
|
*/
|
|
public File getAppPath(final String key, final String dflt) {
|
|
return getFileByPath(key, dflt, this.appPath);
|
|
}
|
|
|
|
private File getFileByPath(String key, String dflt, File prefix) {
|
|
final String path = getConfig(key, dflt).replace('\\', '/');
|
|
final File f = new File(path);
|
|
return (f.isAbsolute() ? new File(f.getAbsolutePath()) : new File(prefix, path));
|
|
}
|
|
|
|
public Iterator<String> configKeys() {
|
|
return this.configProps.keySet().iterator();
|
|
}
|
|
|
|
/**
|
|
* write the changes to permanent storage (File)
|
|
*/
|
|
private void saveConfig() {
|
|
ConcurrentMap<String, String> configPropsCopy = new ConcurrentHashMap<String, String>();
|
|
configPropsCopy.putAll(this.configProps); // avoid concurrency problems
|
|
FileUtils.saveMap(this.configFile, configPropsCopy, this.configComment);
|
|
}
|
|
|
|
/**
|
|
* Gets configuration parameters which have been removed during initialization.
|
|
*
|
|
* @return contains parameter name as key and parameter value as value
|
|
*/
|
|
public ConcurrentMap<String, String> getRemoved() {
|
|
return this.configRemoved;
|
|
}
|
|
|
|
public void deployThread(
|
|
final String threadName,
|
|
final String threadShortDescription,
|
|
final String threadLongDescription,
|
|
final String threadMonitorURL,
|
|
final BusyThread newThread,
|
|
final 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(
|
|
final String threadName,
|
|
final String threadShortDescription,
|
|
final String threadLongDescription,
|
|
final String threadMonitorURL,
|
|
final BusyThread newThread,
|
|
final long startupDelay,
|
|
final long initialIdleSleep,
|
|
final long initialBusySleep,
|
|
final 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 (final NumberFormatException e ) {
|
|
newThread.setIdleSleep(initialIdleSleep);
|
|
setConfig(threadName + "_idlesleep", initialIdleSleep);
|
|
}
|
|
try {
|
|
x = Long.parseLong(getConfig(threadName + "_busysleep", "novalue"));
|
|
newThread.setBusySleep(x);
|
|
} catch (final NumberFormatException e ) {
|
|
newThread.setBusySleep(initialBusySleep);
|
|
setConfig(threadName + "_busysleep", initialBusySleep);
|
|
}
|
|
try {
|
|
x = Long.parseLong(getConfig(threadName + "_memprereq", "novalue"));
|
|
newThread.setMemPreReqisite(x);
|
|
} catch (final NumberFormatException e ) {
|
|
newThread.setMemPreReqisite(initialMemoryPreRequisite);
|
|
setConfig(threadName + "_memprereq", initialMemoryPreRequisite);
|
|
}
|
|
newThread.setDescription(threadShortDescription, threadLongDescription, threadMonitorURL);
|
|
this.workerThreads.put(threadName, newThread);
|
|
// start the thread
|
|
if ( this.workerThreads.containsKey(threadName) ) {
|
|
newThread.start();
|
|
}
|
|
}
|
|
|
|
public BusyThread getThread(final String threadName) {
|
|
return this.workerThreads.get(threadName);
|
|
}
|
|
|
|
public void setThreadPerformance(
|
|
final String threadName,
|
|
final long idleMillis,
|
|
final long busyMillis,
|
|
final long memprereqBytes) {
|
|
final BusyThread thread = this.workerThreads.get(threadName);
|
|
if ( thread != null ) {
|
|
setConfig(threadName + "_idlesleep", thread.setIdleSleep(idleMillis));
|
|
setConfig(threadName + "_busysleep", thread.setBusySleep(busyMillis));
|
|
setConfig(threadName + "_memprereq", memprereqBytes);
|
|
thread.setMemPreReqisite(memprereqBytes);
|
|
}
|
|
}
|
|
|
|
public synchronized void terminateThread(final String threadName, final boolean waitFor) {
|
|
if ( this.workerThreads.containsKey(threadName) ) {
|
|
((WorkflowThread) this.workerThreads.get(threadName)).terminate(waitFor);
|
|
this.workerThreads.remove(threadName);
|
|
}
|
|
}
|
|
|
|
public void intermissionAllThreads(final long pause) {
|
|
final Iterator<String> e = this.workerThreads.keySet().iterator();
|
|
while ( e.hasNext() ) {
|
|
this.workerThreads.get(e.next()).intermission(pause);
|
|
}
|
|
}
|
|
|
|
public synchronized void terminateAllThreads(final boolean waitFor) {
|
|
Iterator<String> e = this.workerThreads.keySet().iterator();
|
|
while ( e.hasNext() ) {
|
|
((WorkflowThread) this.workerThreads.get(e.next())).terminate(false);
|
|
}
|
|
if ( waitFor ) {
|
|
e = this.workerThreads.keySet().iterator();
|
|
while ( e.hasNext() ) {
|
|
((WorkflowThread) this.workerThreads.get(e.next())).terminate(true);
|
|
e.remove();
|
|
}
|
|
}
|
|
}
|
|
|
|
public void closeSessions(String sessionName) {
|
|
if ( sessionName == null ) {
|
|
return;
|
|
}
|
|
|
|
for ( final Session s : serverCore.getJobList() ) {
|
|
if ( (s.isAlive()) && (s.getName().equals(sessionName)) ) {
|
|
// try to stop session
|
|
s.setStopped(true);
|
|
try {
|
|
Thread.sleep(100);
|
|
} catch (final InterruptedException ex ) {
|
|
}
|
|
|
|
// try to interrupt session
|
|
s.interrupt();
|
|
try {
|
|
Thread.sleep(100);
|
|
} catch (final InterruptedException ex ) {
|
|
}
|
|
|
|
// try to close socket
|
|
if ( s.isAlive() ) {
|
|
s.close();
|
|
}
|
|
|
|
// wait for session to finish
|
|
if ( s.isAlive() ) {
|
|
try {
|
|
s.join(500);
|
|
} catch (final InterruptedException ex ) {
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public Iterator<String> /*of serverThread-Names (String)*/threadNames() {
|
|
return this.workerThreads.keySet().iterator();
|
|
}
|
|
|
|
// authentication routines:
|
|
|
|
public void setAuthentify(final InetAddress host, final String user, final String rights) {
|
|
// sets access attributes according to host addresses
|
|
this.authorization.put(host, user + "@" + rights);
|
|
}
|
|
|
|
public void removeAuthentify(final InetAddress host) {
|
|
// remove access attributes according to host addresses
|
|
this.authorization.remove(host);
|
|
}
|
|
|
|
public String getAuthentifyUser(final InetAddress host) {
|
|
// read user name according to host addresses
|
|
final String a = this.authorization.get(host);
|
|
if ( a == null ) {
|
|
return null;
|
|
}
|
|
final int p = a.indexOf('@');
|
|
if ( p < 0 ) {
|
|
return null;
|
|
}
|
|
return a.substring(0, p);
|
|
}
|
|
|
|
public String getAuthentifyRights(final InetAddress host) {
|
|
// read access rigths according to host addresses
|
|
final String a = this.authorization.get(host);
|
|
if ( a == null ) {
|
|
return null;
|
|
}
|
|
final int p = a.indexOf('@');
|
|
if ( p < 0 ) {
|
|
return null;
|
|
}
|
|
return a.substring(p + 1);
|
|
}
|
|
|
|
public void addAuthentifyRight(final InetAddress host, final String right) {
|
|
final String rights = getAuthentifyRights(host);
|
|
if ( rights == null ) {
|
|
// create new authentication
|
|
setAuthentify(host, "unknown", right);
|
|
} else {
|
|
// add more authentication
|
|
final String user = getAuthentifyUser(host);
|
|
setAuthentify(host, user, rights + right);
|
|
}
|
|
}
|
|
|
|
public boolean hasAuthentifyRight(final InetAddress host, final String right) {
|
|
final String rights = getAuthentifyRights(host);
|
|
if ( rights == null ) {
|
|
return false;
|
|
}
|
|
return rights.indexOf(right) >= 0;
|
|
}
|
|
|
|
public File getDataPath() {
|
|
return this.dataPath;
|
|
}
|
|
|
|
public File getAppPath() {
|
|
return this.appPath;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return this.configProps.toString();
|
|
}
|
|
|
|
public void handleBusyState(final int jobs) {
|
|
this.serverJobs = jobs;
|
|
}
|
|
|
|
public void track(final String host, final String accessPath) {
|
|
this.accessTracker.track(host, accessPath);
|
|
}
|
|
|
|
public Collection<Track> accessTrack(final String host) {
|
|
return this.accessTracker.accessTrack(host);
|
|
}
|
|
|
|
public int latestAccessCount(final String host, final long timedelta) {
|
|
return this.accessTracker.latestAccessCount(host, timedelta);
|
|
}
|
|
|
|
public Iterator<String> accessHosts() {
|
|
return this.accessTracker.accessHosts();
|
|
}
|
|
|
|
/**
|
|
* Retrieve text data (e. g. config file) from file file may be an url or a filename with path relative to
|
|
* rootPath parameter
|
|
*
|
|
* @param file url or filename
|
|
* @param rootPath searchpath for file
|
|
* @param file file to use when remote fetching fails (null if unused)
|
|
*/
|
|
public Reader getConfigFileFromWebOrLocally(final String uri, final String rootPath, final File file)
|
|
throws IOException,
|
|
FileNotFoundException {
|
|
if ( uri.startsWith("http://") || uri.startsWith("https://") ) {
|
|
final String[] uris = uri.split(",");
|
|
for ( String netdef : uris ) {
|
|
netdef = netdef.trim();
|
|
try {
|
|
final RequestHeader reqHeader = new RequestHeader();
|
|
reqHeader.put(HeaderFramework.USER_AGENT, ClientIdentification.yacyInternetCrawlerAgent.userAgent);
|
|
final HTTPClient client = new HTTPClient(ClientIdentification.yacyInternetCrawlerAgent);
|
|
client.setHeader(reqHeader.entrySet());
|
|
byte[] data = client.GETbytes(uri);
|
|
if ( data == null || data.length == 0 ) {
|
|
continue;
|
|
}
|
|
// save locally in case next fetch fails
|
|
if ( file != null ) {
|
|
FileOutputStream f = new FileOutputStream(file);
|
|
f.write(data);
|
|
f.close();
|
|
}
|
|
return new InputStreamReader(new BufferedInputStream(new ByteArrayInputStream(data)));
|
|
} catch (final Exception e ) {
|
|
continue;
|
|
}
|
|
}
|
|
if ( file != null && file.exists() ) {
|
|
return new FileReader(file);
|
|
}
|
|
throw new FileNotFoundException();
|
|
}
|
|
final File f = (uri.length() > 0 && uri.startsWith("/")) ? new File(uri) : new File(rootPath, uri);
|
|
if (f.exists()) return new FileReader(f);
|
|
throw new FileNotFoundException(f.toString());
|
|
}
|
|
|
|
private static Random pwGenerator = new Random();
|
|
|
|
/**
|
|
* Generates a random password.
|
|
*
|
|
* @return random password which is 20 characters long.
|
|
*/
|
|
public String genRandomPassword() {
|
|
return genRandomPassword(20);
|
|
}
|
|
|
|
/**
|
|
* Generates a random password of a given length.
|
|
*
|
|
* @param length length o password
|
|
* @return password of given length
|
|
*/
|
|
public String genRandomPassword(final int length) {
|
|
byte[] bytes = new byte[length];
|
|
pwGenerator.nextBytes(bytes);
|
|
return Digest.encodeMD5Hex(bytes);
|
|
}
|
|
/**
|
|
* set/remember jetty server
|
|
* @param jettyserver
|
|
*/
|
|
public void setHttpServer(HttpServer jettyserver) {
|
|
this.httpserver = jettyserver;
|
|
}
|
|
public HttpServer getHttpServer() {
|
|
return httpserver;
|
|
}
|
|
|
|
}
|