mirror of
https://github.com/yacy/yacy_search_server.git
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778 lines
25 KiB
Java
778 lines
25 KiB
Java
// serverSwitch.java
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// -------------------------------------
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// (C) by Michael Peter Christen; mc@yacy.net
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004, 2005
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// last major change: 24.03.2005
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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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package net.yacy.server;
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import java.io.BufferedInputStream;
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import java.io.ByteArrayInputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.FileReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.Reader;
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import java.net.InetAddress;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.LinkedHashSet;
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import java.util.Map;
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import java.util.NavigableMap;
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import java.util.Properties;
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import java.util.Random;
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import java.util.Set;
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import java.util.TreeMap;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ConcurrentMap;
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import net.yacy.cora.order.Digest;
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import net.yacy.cora.protocol.ClientIdentification;
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import net.yacy.cora.protocol.Domains;
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import net.yacy.cora.protocol.HeaderFramework;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.cora.protocol.http.HTTPClient;
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import net.yacy.cora.util.CommonPattern;
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import net.yacy.cora.util.ConcurrentLog;
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import net.yacy.http.YaCyHttpServer;
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import net.yacy.kelondro.util.FileUtils;
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import net.yacy.kelondro.workflow.BusyThread;
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import net.yacy.kelondro.workflow.WorkflowThread;
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import net.yacy.peers.Seed;
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import net.yacy.search.SwitchboardConstants;
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public class serverSwitch {
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/** Key of system property defining locally open http port */
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public static final String LOCAL_PORT_SYSTEM_PROPERTY = "net.yacy.server.localPort";
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// configuration management
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private final File configFile;
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private final String configComment;
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public final File dataPath;
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public final File appPath;
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protected boolean firstInit;
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public ConcurrentLog log;
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protected int serverJobs;
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private ConcurrentMap<String, String> configProps;
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private final ConcurrentMap<String, String> configRemoved;
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private final NavigableMap<String, BusyThread> workerThreads;
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private YaCyHttpServer httpserver; // implemented HttpServer
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private ConcurrentMap<String, Integer> upnpPortMap = new ConcurrentHashMap<>();
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private boolean isConnectedViaUpnp;
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public serverSwitch(final File dataPath, final File appPath,
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final String initPath, final String configPath) {
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// we initialize the switchboard with a property file,
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// but maintain these properties then later in a new 'config' file
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// to reset all changed configs, the config file must
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// be deleted, but not the init file
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// the only attribute that will always be read from the init is the
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// file name of the config file
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this.dataPath = dataPath;
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this.appPath = appPath;
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this.configComment = "This is an automatically generated file, updated by serverAbstractSwitch and initialized by "
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+ initPath;
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final File initFile = new File(appPath, initPath);
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this.configFile = new File(dataPath, configPath); // propertiesFile(config);
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this.firstInit = !this.configFile.exists(); // this is true if the
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// application was started
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// for the first time
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new File(this.configFile.getParent()).mkdir();
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// predefine init's
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final ConcurrentMap<String, String> initProps;
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if (initFile.exists()) {
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initProps = FileUtils.loadMap(initFile);
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} else {
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initProps = new ConcurrentHashMap<String, String>();
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}
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// load config's from last save
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if (this.configFile.exists()) {
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this.configProps = FileUtils.loadMap(this.configFile);
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} else {
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this.configProps = new ConcurrentHashMap<String, String>();
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}
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// remove all values from config that do not appear in init
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this.configRemoved = new ConcurrentHashMap<String, String>();
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Iterator<String> i = this.configProps.keySet().iterator();
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String key;
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while (i.hasNext()) {
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key = i.next();
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if (!(initProps.containsKey(key))) {
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this.configRemoved.put(key, this.configProps.get(key));
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i.remove();
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}
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}
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// merge new props from init to config
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// this is necessary for migration, when new properties are attached
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initProps.putAll(this.configProps);
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this.configProps = initProps;
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// save result; this may initially create a config file after
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// initialization
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saveConfig();
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// init thread control
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this.workerThreads = new TreeMap<String, BusyThread>();
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// init busy state control
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// this.serverJobs = 0;
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// init server tracking
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serverAccessTracker.init(
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getConfigLong("server.maxTrackingTime", 60 * 60 * 1000),
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(int) getConfigLong("server.maxTrackingCount", 1000),
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(int) getConfigLong("server.maxTrackingHostCount", 100));
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}
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/**
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* get my public IP, either set statically or figure out dynamic This method
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* is deprecated because there may be more than one public IPs of this peer,
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* i.e. one IPv4 and one IPv6. Please use myPublicIPs() instead
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*
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* @return the public IP of this peer, if known
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*/
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public String myPublicIP() {
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// if a static IP was configured, we have to return it here ...
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final String staticIP = getConfig(SwitchboardConstants.SERVER_STATICIP, "");
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if (staticIP.length() > 0)
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return staticIP;
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// otherwise we return the real IP address of this host
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final InetAddress pLIP = Domains.myPublicLocalIP();
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if (pLIP != null)
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return pLIP.getHostAddress();
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return null;
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}
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/**
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* Get all my public IPs. If there was a static IP assignment, only one,
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* that IP is returned.
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*
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* @return a set of IPs which are supposed to be my own public IPs
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*/
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public Set<String> myPublicIPs() {
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// if a static IP was configured, we have to return it here ...
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final String staticIP = getConfig(SwitchboardConstants.SERVER_STATICIP, "");
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if (staticIP.length() > 0) {
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HashSet<String> h = new HashSet<>();
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h.add(staticIP);
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return h;
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}
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Set<String> h = new LinkedHashSet<>();
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for (InetAddress i : Domains.myPublicIPv6()) {
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String s = i.getHostAddress();
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if (Seed.isProperIP(s))
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h.add(Domains.chopZoneID(s));
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}
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for (InetAddress i : Domains.myPublicIPv4()) {
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String s = i.getHostAddress();
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if (Seed.isProperIP(s))
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h.add(Domains.chopZoneID(s));
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}
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return h;
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}
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/**
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* Gets public port. May differ from local port due to NATting. This method
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* will eventually removed once nobody used IPv4 anymore, but until then we
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* have to live with it.
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*
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* @param key
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* original key from config (for example "port" or "port.ssl")
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* @param dflt
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* default value which will be used if no value is found
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* @return the public port of this system on its IPv4 address
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*
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* @see #getLocalPort(String, int)
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*/
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public int getPublicPort(final String key, final int dflt) {
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if (isConnectedViaUpnp && upnpPortMap.containsKey(key)) {
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return upnpPortMap.get(key).intValue();
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}
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// TODO: add way of setting and retrieving port for manual NAT
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return getConfigInt(key, dflt);
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}
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/**
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* @return local http server port or null if system property is not defined
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*/
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public Integer getLocalPortSystemProperty() {
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String systemDefinedPort = System.getProperty(LOCAL_PORT_SYSTEM_PROPERTY);
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Integer localPort = null;
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if(systemDefinedPort != null) {
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try {
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localPort = Integer.parseInt(systemDefinedPort);
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} catch(NumberFormatException e) {
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log.warn("System property " + LOCAL_PORT_SYSTEM_PROPERTY + " is not valid : it should be a integer.");
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}
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}
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return localPort;
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}
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/**
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* Wrapper for {@link #getConfigInt(String, int)} to have a more consistent
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* API.
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*
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* Default value 8090 will be used if no value is found in system properties and in configuration.
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*
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* @return the local http port of this system
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* @see #getPublicPort(String, int)
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*/
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public int getLocalPort() {
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/* A system property "net.yacy.server.localPort" may override configuration
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* This is useful when running YaCy inside a container manager such as Heroku which decide which http port to use */
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Integer localPort = getLocalPortSystemProperty();
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if(localPort != null) {
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return localPort;
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}
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return getConfigInt(SwitchboardConstants.SERVER_PORT, 8090);
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}
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// a logger for this switchboard
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public void setLog(final ConcurrentLog log) {
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this.log = log;
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}
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public ConcurrentLog getLog() {
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return this.log;
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}
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/**
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* add whole map of key-value pairs to config
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*
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* @param otherConfigs
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*/
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public void setConfig(final Map<String, String> otherConfigs) {
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final Iterator<Map.Entry<String, String>> i = otherConfigs.entrySet()
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.iterator();
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Map.Entry<String, String> entry;
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while (i.hasNext()) {
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entry = i.next();
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setConfig(entry.getKey(), entry.getValue());
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}
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}
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public void setConfig(final String key, final boolean value) {
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setConfig(key, (value) ? "true" : "false");
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}
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public void setConfig(final String key, final long value) {
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setConfig(key, Long.toString(value));
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}
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public void setConfig(final String key, final float value) {
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setConfig(key, Float.toString(value));
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}
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public void setConfig(final String key, final double value) {
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setConfig(key, Double.toString(value));
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}
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public void setConfig(final String key, final String value) {
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// set the value
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final String oldValue = this.configProps.put(key, value);
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if (oldValue == null || !value.equals(oldValue)) {
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saveConfig();
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}
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}
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public void setConfig(final String key, final String[] value) {
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StringBuilder sb = new StringBuilder();
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if (value != null) for (String s: value) sb.append(',').append(s);
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setConfig(key, sb.length() > 0 ? sb.substring(1) : "");
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}
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public void setConfig(final String key, Set<String> value) {
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String[] a = new String[value.size()];
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int c = 0;
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for (String s: value) a[c++] = s;
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setConfig(key, a);
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}
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public void removeConfig(final String key) {
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this.configProps.remove(key);
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}
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/**
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* Gets a configuration parameter from the properties.
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*
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* @param key
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* name of the configuration parameter
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* @param dflt
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* default value which will be used in case parameter can not be
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* found or if it is invalid
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* @return value if the parameter or default value
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*/
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public String getConfig(final String key, final String dflt) {
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// get the value
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final String s = this.configProps.get(key);
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// return value
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if (s == null) {
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return dflt;
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}
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return s;
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}
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/**
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* Gets a configuration parameter from the properties.
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*
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* @param key
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* name of the configuration parameter
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* @param dflt
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* default value which will be used in case parameter can not be
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* found or if it is invalid
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* @return value if the parameter or default value
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*/
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public long getConfigLong(final String key, final long dflt) {
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try {
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return Long.parseLong(getConfig(key, Long.toString(dflt)));
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} catch (final NumberFormatException e) {
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return dflt;
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}
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}
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/**
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* Gets a configuration parameter from the properties.
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*
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* @param key
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* name of the configuration parameter
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* @param dflt
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* default value which will be used in case parameter can not be
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* found or if it is invalid
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* @return value if the parameter or default value
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*/
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public float getConfigFloat(final String key, final float dflt) {
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try {
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return Float.parseFloat(getConfig(key, Float.toString(dflt)));
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} catch (final NumberFormatException e) {
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return dflt;
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}
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}
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public boolean isConnectedViaUpnp() {
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return isConnectedViaUpnp;
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}
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public void setConnectedViaUpnp(final boolean isConnectedViaUpnp) {
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this.isConnectedViaUpnp = isConnectedViaUpnp;
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if (!isConnectedViaUpnp) {
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upnpPortMap.clear();
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}
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}
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public void setUpnpPorts(final String key, final int port) {
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upnpPortMap.put(key, Integer.valueOf(port));
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}
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public void removeUpnpPort(final String key) {
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upnpPortMap.remove(key);
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}
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/**
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* Gets a configuration parameter from the properties.
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*
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* @param key
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* name of the configuration parameter
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* @param dflt
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* default value which will be used in case parameter can not be
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* found or if it is invalid
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* @return value if the parameter or default value
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*/
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public int getConfigInt(final String key, final int dflt) {
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try {
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return Integer.parseInt(getConfig(key, Integer.toString(dflt)));
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} catch (final NumberFormatException e) {
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return dflt;
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}
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}
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/**
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* Gets a configuration parameter from the properties.
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*
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* @param key
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* name of the configuration parameter
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* @param dflt
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* default value which will be used in case parameter can not be
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* found or if it is invalid
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* @return value if the parameter or default value
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*/
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public boolean getConfigBool(final String key, final boolean dflt) {
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return Boolean.parseBoolean(getConfig(key, Boolean.toString(dflt)));
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}
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/**
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* get a configuration parameter list
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* @param key
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* @param dflt a default list
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* @return a list of strings which had been separated by comma in the setting
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*/
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public String[] getConfigArray(final String key, final String dflt) {
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return CommonPattern.COMMA.split(this.getConfig(key, dflt));
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}
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/**
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* get a configuration parameter set
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* @param key name of the configuration parameter
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* @return a set of strings which had been separated by comma in the setting
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*/
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public Set<String> getConfigSet(final String key) {
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Set<String> h = new LinkedHashSet<>();
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for (String s: getConfigArray(key, "")) {s = s.trim(); if (s.length() > 0) h.add(s.trim());}
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return h;
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}
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/**
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* Create a File instance for a configuration setting specifying a path.
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*
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* @param key
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* config key
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* @param dflt
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* default path value, that is used when there is no value
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* <code>key</code> in the configuration.
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* @return if the value of the setting is an absolute path String, then the
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* returned File is derived from this setting only. Otherwise the
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* path's file is constructed from the applications root path + the
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* relative path setting.
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*/
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public File getDataPath(final String key, final String dflt) {
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return getFileByPath(key, dflt, this.dataPath);
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}
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/**
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* return file at path from config entry "key", or fallback to default dflt
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*
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* @param key
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* @param dflt
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* @return
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*/
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public File getAppPath(final String key, final String dflt) {
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return getFileByPath(key, dflt, this.appPath);
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}
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private File getFileByPath(String key, String dflt, File prefix) {
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final String path = getConfig(key, dflt).replace('\\', '/');
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final File f = new File(path);
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return (f.isAbsolute() ? new File(f.getAbsolutePath()) : new File(
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prefix, path));
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}
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public Iterator<String> configKeys() {
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return this.configProps.keySet().iterator();
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}
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/**
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* write the changes to permanent storage (File)
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*/
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private void saveConfig() {
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ConcurrentMap<String, String> configPropsCopy = new ConcurrentHashMap<String, String>();
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configPropsCopy.putAll(this.configProps); // avoid concurrency problems
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FileUtils.saveMap(this.configFile, configPropsCopy, this.configComment);
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}
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/**
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* Gets configuration parameters which have been removed during
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* initialization.
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*
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* @return contains parameter name as key and parameter value as value
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*/
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public ConcurrentMap<String, String> getRemoved() {
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return this.configRemoved;
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}
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/**
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* @return the default configuration properties loaded form the
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* defaults/yacy.init file. The properties are empty when the file can
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* not be read for some reason.
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*/
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public Properties loadDefaultConfig() {
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final Properties config = new Properties();
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try (final FileInputStream fis = new FileInputStream(new File(this.appPath, "defaults/yacy.init"))) {
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config.load(fis);
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} catch (final FileNotFoundException e) {
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|
log.severe("Could not find default configuration file defaults/yacy.init.");
|
|
} catch (final IOException | IllegalArgumentException e) {
|
|
log.severe("Could not read configuration file.");
|
|
}
|
|
return config;
|
|
}
|
|
|
|
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", "1000")),
|
|
Long.parseLong(getConfig(threadName + "_busysleep", "100")),
|
|
Long.parseLong(getConfig(threadName + "_memprereq", "1048576")),
|
|
Double.parseDouble(getConfig(threadName + "_loadprereq", "9.0")));
|
|
}
|
|
|
|
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,
|
|
final double initialLoadPreRequisite) {
|
|
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);
|
|
}
|
|
try {
|
|
final double load = Double.parseDouble(getConfig(threadName
|
|
+ "_loadprereq", "novalue"));
|
|
newThread.setLoadPreReqisite(load);
|
|
} catch (final NumberFormatException e) {
|
|
newThread.setLoadPreReqisite(initialLoadPreRequisite);
|
|
setConfig(threadName + "_loadprereq",
|
|
(float) initialLoadPreRequisite);
|
|
}
|
|
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 double loadprereq) {
|
|
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);
|
|
setConfig(threadName + "_loadprereq", (float) loadprereq);
|
|
thread.setLoadPreReqisite(loadprereq);
|
|
}
|
|
}
|
|
|
|
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 Iterator<String> /* of serverThread-Names (String) */threadNames() {
|
|
return this.workerThreads.keySet().iterator();
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* 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 = CommonPattern.COMMA.split(uri);
|
|
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,
|
|
getConfig(
|
|
SwitchboardConstants.ADMIN_ACCOUNT_USER_NAME,
|
|
"admin"),
|
|
getConfig(
|
|
SwitchboardConstants.ADMIN_ACCOUNT_B64MD5,
|
|
""), false);
|
|
if (data == null || data.length == 0) {
|
|
continue;
|
|
}
|
|
// save locally in case next fetch fails
|
|
if (file != null) {
|
|
try(/* Automatically closed by this try-with-resource statement */
|
|
FileOutputStream f = new FileOutputStream(file);
|
|
) {
|
|
f.write(data);
|
|
}
|
|
}
|
|
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(YaCyHttpServer jettyserver) {
|
|
this.httpserver = jettyserver;
|
|
}
|
|
|
|
public YaCyHttpServer getHttpServer() {
|
|
return httpserver;
|
|
}
|
|
|
|
}
|