performance hacks for seed generation (because thread dumps showed multiple occurrences at these code points)

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7861 6c8d7289-2bf4-0310-a012-ef5d649a1542
pull/1/head
orbiter 14 years ago
parent 5cd07d7f84
commit 44d74f8f89

@ -1,4 +1,4 @@
// gzip.java
// gzip.java
// -------------------------------------
// (C) by Michael Peter Christen; mc@yacy.net
// first published on http://www.anomic.de
@ -45,7 +45,7 @@ import net.yacy.kelondro.logging.Log;
public class gzip {
private static Log logger = new Log("GZIP");
public static void gzipFile(final String inFile, final String outFile) {
try {
final InputStream fin = new BufferedInputStream(new FileInputStream(inFile));
@ -60,14 +60,14 @@ public class gzip {
}
}
public static File gunzipFile(File in) {
public static File gunzipFile(final File in) {
assert in.getName().endsWith(".gz");
String on = in.getName().substring(0, in.getName().length() - 3);
File outf = new File(in.getParent(), on);
final String on = in.getName().substring(0, in.getName().length() - 3);
final File outf = new File(in.getParent(), on);
gunzipFile(in, outf);
return outf;
}
public static void gunzipFile(final File inFile, final File outFile) {
try {
final InputStream fin = new GZIPInputStream(new BufferedInputStream(new FileInputStream(inFile)));
@ -84,9 +84,10 @@ public class gzip {
public static byte[] gzipString(final String in) {
try {
final InputStream fin = new ByteArrayInputStream(in.getBytes("UTF8"));
final ByteArrayOutputStream baos = new ByteArrayOutputStream(in.length() / 3);
final OutputStream fout = new GZIPOutputStream(baos, 128);
final InputStream fin = new ByteArrayInputStream(in.getBytes("UTF8"));
final int buffersize = Math.min(1024, in.length());
final ByteArrayOutputStream baos = new ByteArrayOutputStream(buffersize);
final OutputStream fout = new GZIPOutputStream(baos, Math.max(buffersize, 512));
copy(fout, fin, 1024);
fin.close();
fout.close();
@ -96,7 +97,7 @@ public class gzip {
return null;
}
}
public static String gunzipString(final byte[] in) throws IOException {
final InputStream fin = new GZIPInputStream(new ByteArrayInputStream(in));
final ByteArrayOutputStream fout = new ByteArrayOutputStream(in.length / 3);
@ -115,7 +116,7 @@ public class gzip {
bIn.close();
bOut.close();
}
// some static helper methods
public static void saveGzip(final File f, final byte[] content) throws IOException {
@ -126,7 +127,7 @@ public class gzip {
gzipout.write(content, 0, content.length);
} finally {
if (gzipout!=null)try{gzipout.close();}catch(final Exception e){}
}
}
}
public static byte[] loadGzip(final File f) throws IOException {
@ -143,17 +144,17 @@ public class gzip {
while (result.length - len < last) {
// the result array is too small, increase space
b = new byte[result.length * 2];
System.arraycopy(result, 0, b, 0, len);
System.arraycopy(result, 0, b, 0, len);
result = b; b = null;
}
// copy the last read
System.arraycopy(buffer, 0, result, len, last);
System.arraycopy(buffer, 0, result, len, last);
len += last;
}
gzipin.close();
// finished with reading. now cut the result to the right size
b = new byte[len];
System.arraycopy(result, 0, b, 0, len);
System.arraycopy(result, 0, b, 0, len);
return b;
} finally {
if (gzipin != null) try{gzipin.close();}catch(final Exception e){}

@ -50,7 +50,6 @@ import java.net.URL;
import java.text.ParseException;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Random;
@ -71,7 +70,6 @@ import net.yacy.kelondro.order.Base64Order;
import net.yacy.kelondro.order.Digest;
import net.yacy.kelondro.util.MapTools;
import net.yacy.kelondro.util.OS;
import de.anomic.search.Switchboard;
import de.anomic.tools.bitfield;
import de.anomic.tools.crypt;
@ -80,7 +78,7 @@ import de.anomic.yacy.dht.FlatWordPartitionScheme;
public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yacySeed> {
public static String ANON_PREFIX = "_anon";
public static final int maxsize = 16000;
/**
* <b>substance</b> "sI" (send index/words)
@ -162,16 +160,16 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
public static final String SEEDLISTURL = "seedURL";
/** zero-value */
private static final String ZERO = "0";
private static final int FLAG_DIRECT_CONNECT = 0;
private static final int FLAG_ACCEPT_REMOTE_CRAWL = 1;
private static final int FLAG_ACCEPT_REMOTE_INDEX = 2;
public static final String DFLT_NETWORK_UNIT = "freeworld";
public static final String DFLT_NETWORK_GROUP = "";
private static final Random random = new Random(System.currentTimeMillis());
// class variables
/** the peer-hash */
public String hash;
@ -194,12 +192,12 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
long b;
try {
b = my_SHORT_SECOND_FORMATTER.parse(get(yacySeed.BDATE, "20040101000000")).getTime();
} catch (ParseException e) {
} catch (final ParseException e) {
b = System.currentTimeMillis();
}
this.birthdate = b;
}
private yacySeed(final String theHash) {
this.dna = new ConcurrentHashMap<String, String>();
@ -207,7 +205,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
// at first startup -
this.hash = theHash; // the hash key of the peer - very important. should be static somehow, even after restart
this.dna.put(yacySeed.NAME, defaultPeerName());
// later during operation -
this.dna.put(yacySeed.ISPEED, yacySeed.ZERO);
this.dna.put(yacySeed.RSPEED, yacySeed.ZERO);
@ -240,16 +238,16 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
this.dna.put(yacySeed.INDEX_IN, yacySeed.ZERO); // received index
this.dna.put(yacySeed.URL_OUT, yacySeed.ZERO); // send URLs
this.dna.put(yacySeed.URL_IN, yacySeed.ZERO); // received URLs
// default first filling
this.dna.put(yacySeed.BDATE, my_SHORT_SECOND_FORMATTER.format());
this.dna.put(yacySeed.LASTSEEN, this.dna.get(yacySeed.BDATE)); // just as initial setting
this.dna.put(yacySeed.UTC, GenericFormatter.UTCDiffString());
this.dna.put(yacySeed.PEERTYPE, yacySeed.PEERTYPE_VIRGIN); // virgin/junior/senior/principal
this.birthdate = System.currentTimeMillis();
}
/**
* check the peer name: protect against usage as XSS hack
* @param id
@ -270,7 +268,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
private static String defaultPeerName() {
return ANON_PREFIX + OS.infoKey() + "-" + (System.currentTimeMillis() % 77777777L) + "-" + yacyCore.speedKey;
}
/**
* Checks for the static fragments of a generated default peer name, such as the string 'dpn'
* @see #makeDefaultPeerName()
@ -280,7 +278,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
public static boolean isDefaultPeerName(final String name) {
return name.startsWith("_anon");
}
/**
* used when doing routing within a cluster; this can assign a ip and a port
* that is used instead the address stored in the seed DNA
@ -296,7 +294,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
* @return the IP or null
*/
public final String getIP() {
String ip = get(yacySeed.IP, "127.0.0.1");
final String ip = get(yacySeed.IP, "127.0.0.1");
return (ip == null || ip.length() == 0) ? "127.0.0.1" : ip;
}
/**
@ -347,7 +345,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
return ((Float) o).floatValue();
} else return dflt;
}
public final long getLong(final String key, final long dflt) {
final Object o = this.dna.get(key);
if (o == null) { return dflt; }
@ -362,12 +360,12 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
} else return dflt;
}
public final void setIP(final String ip) { dna.put(yacySeed.IP, ip); }
public final void setPort(final String port) { dna.put(yacySeed.PORT, port); }
public final void setType(final String type) { dna.put(yacySeed.PEERTYPE, type); }
public final void setJunior() { dna.put(yacySeed.PEERTYPE, yacySeed.PEERTYPE_JUNIOR); }
public final void setSenior() { dna.put(yacySeed.PEERTYPE, yacySeed.PEERTYPE_SENIOR); }
public final void setPrincipal() { dna.put(yacySeed.PEERTYPE, yacySeed.PEERTYPE_PRINCIPAL); }
public final void setIP(final String ip) { this.dna.put(yacySeed.IP, ip); }
public final void setPort(final String port) { this.dna.put(yacySeed.PORT, port); }
public final void setType(final String type) { this.dna.put(yacySeed.PEERTYPE, type); }
public final void setJunior() { this.dna.put(yacySeed.PEERTYPE, yacySeed.PEERTYPE_JUNIOR); }
public final void setSenior() { this.dna.put(yacySeed.PEERTYPE, yacySeed.PEERTYPE_SENIOR); }
public final void setPrincipal() { this.dna.put(yacySeed.PEERTYPE, yacySeed.PEERTYPE_PRINCIPAL); }
public final void put(final String key, final String value) {
synchronized (this.dna) {
@ -380,12 +378,12 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
return this.dna;
}
public final void setName(String name) {
public final void setName(final String name) {
synchronized (this.dna) {
this.dna.put(yacySeed.NAME, checkPeerName(name));
}
}
public final String getName() {
return checkPeerName(get(yacySeed.NAME, "&empty;"));
}
@ -397,32 +395,32 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
public final void incSI(final int count) {
String v = this.dna.get(yacySeed.INDEX_OUT);
if (v == null) { v = yacySeed.ZERO; }
dna.put(yacySeed.INDEX_OUT, Long.toString(Long.parseLong(v) + (long) count));
this.dna.put(yacySeed.INDEX_OUT, Long.toString(Long.parseLong(v) + count));
}
public final void incRI(final int count) {
String v = this.dna.get(yacySeed.INDEX_IN);
if (v == null) { v = yacySeed.ZERO; }
dna.put(yacySeed.INDEX_IN, Long.toString(Long.parseLong(v) + (long) count));
this.dna.put(yacySeed.INDEX_IN, Long.toString(Long.parseLong(v) + count));
}
public final void incSU(final int count) {
String v = this.dna.get(yacySeed.URL_OUT);
if (v == null) { v = yacySeed.ZERO; }
dna.put(yacySeed.URL_OUT, Long.toString(Long.parseLong(v) + (long) count));
this.dna.put(yacySeed.URL_OUT, Long.toString(Long.parseLong(v) + count));
}
public final void incRU(final int count) {
String v = this.dna.get(yacySeed.URL_IN);
if (v == null) { v = yacySeed.ZERO; }
dna.put(yacySeed.URL_IN, Long.toString(Long.parseLong(v) + (long) count));
this.dna.put(yacySeed.URL_IN, Long.toString(Long.parseLong(v) + count));
}
public final void resetCounters(){
dna.put(yacySeed.INDEX_OUT, yacySeed.ZERO);
dna.put(yacySeed.INDEX_IN, yacySeed.ZERO);
dna.put(yacySeed.URL_OUT, yacySeed.ZERO);
dna.put(yacySeed.URL_IN, yacySeed.ZERO);
this.dna.put(yacySeed.INDEX_OUT, yacySeed.ZERO);
this.dna.put(yacySeed.INDEX_IN, yacySeed.ZERO);
this.dna.put(yacySeed.URL_OUT, yacySeed.ZERO);
this.dna.put(yacySeed.URL_IN, yacySeed.ZERO);
}
/**
@ -448,7 +446,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
// the hash string represents 12 * 6 bit = 72 bits. This is too much for a long integer.
return Digest.encodeHex(Base64Order.enhancedCoder.decode(b64Hash));
}
/**
* @param hexHash a hexadecimal hash
* @return the base64 representation of the given hex hash
@ -456,9 +454,9 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
public static String hexHash2b64Hash(final String hexHash) {
return Base64Order.enhancedCoder.encode(Digest.decodeHex(hexHash));
}
/**
* The returned version follows this pattern: <code>MAJORVERSION . MINORVERSION 0 SVN REVISION</code>
* The returned version follows this pattern: <code>MAJORVERSION . MINORVERSION 0 SVN REVISION</code>
* @return the YaCy version of this peer as a float or <code>0</code> if no valid value could be retrieved
* from this yacySeed object
*/
@ -469,7 +467,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
return 0;
}
}
/**
* get the SVN version of the peer
* @return
@ -477,25 +475,25 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
public final int getRevision() {
return yacyVersion.revision(get(yacySeed.VERSION, yacySeed.ZERO));
}
/**
* @return the public address of the peer as IP:port string or <code>null</code> if no valid values for
* either the IP or the port could be retrieved from this yacySeed object
*/
public final String getPublicAddress() {
String ip = this.getIP();
String ip = getIP();
if (ip == null || ip.length() < 8 || ip.length() > 60) ip = "127.0.0.1";
final String port = this.dna.get(yacySeed.PORT);
if (port == null || port.length() < 2 || port.length() > 5) return null;
StringBuilder sb = new StringBuilder(ip.length() + port.length() + 1);
final StringBuilder sb = new StringBuilder(ip.length() + port.length() + 1);
sb.append(ip);
sb.append(':');
sb.append(port);
return sb.toString();
}
/**
* If this seed is part of a cluster, the peer has probably the {@linkplain #alternativeIP} object set to
* a local IP. If this is present and the public IP of this peer is identical to the public IP of the own seed,
@ -505,20 +503,20 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
*/
public final String getClusterAddress() {
if (this.alternativeIP == null) return getPublicAddress();
final String port = this.dna.get(yacySeed.PORT);
if ((port == null) || (port.length() < 2)) return null;
return this.alternativeIP + ":" + port;
}
/**
* @return the IP address of the peer represented by this yacySeed object as {@link InetAddress}
*/
public final InetAddress getInetAddress() {
return Domains.dnsResolve(this.getIP());
return Domains.dnsResolve(getIP());
}
/** @return the portnumber of this seed or <code>-1</code> if not present */
public final int getPort() {
final String port = this.dna.get(yacySeed.PORT);
@ -526,17 +524,17 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
/*if (port.length() < 2) return -1; It is possible to use port 0-9*/
return Integer.parseInt(port);
}
/** puts the current time into the lastseen field and cares about the time differential to UTC */
public final void setLastSeenUTC() {
// because java thinks it must apply the UTC offset to the current time,
// to create a string that looks like our current time, it adds the local UTC offset to the
// time. To create a corrected UTC Date string, we first subtract the local UTC offset.
String ls = my_SHORT_SECOND_FORMATTER.format(new Date(System.currentTimeMillis() /*- DateFormatter.UTCDiff()*/));
final String ls = my_SHORT_SECOND_FORMATTER.format(new Date(System.currentTimeMillis() /*- DateFormatter.UTCDiff()*/));
//System.out.println("SETTING LAST-SEEN of " + this.getName() + " to " + ls);
dna.put(yacySeed.LASTSEEN, ls );
this.dna.put(yacySeed.LASTSEEN, ls );
}
/**
* @return the last seen time converted to UTC in milliseconds
*/
@ -556,24 +554,24 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
return System.currentTimeMillis() - AbstractFormatter.dayMillis;
}
}
/**
* test if the lastSeen time of the seed has a time-out
* @param milliseconds the maximum age of the last-seen value
* @return true, if the time between the last-seen time and now is greater then the given time-out
*/
public final boolean isLastSeenTimeout(long milliseconds) {
long d = Math.abs(System.currentTimeMillis() - this.getLastSeenUTC());
public final boolean isLastSeenTimeout(final long milliseconds) {
final long d = Math.abs(System.currentTimeMillis() - getLastSeenUTC());
return d > milliseconds;
}
/** @return the age of the seed in number of days */
public final int getAge() {
return (int) Math.abs((System.currentTimeMillis() - birthdate) / 1000 / 60 / 60 / 24);
return (int) Math.abs((System.currentTimeMillis() - this.birthdate) / 1000 / 60 / 60 / 24);
}
public void setPeerTags(final Set<String> keys) {
dna.put(PEERTAGS, MapTools.set2string(keys, "|", false));
this.dna.put(PEERTAGS, MapTools.set2string(keys, "|", false));
}
public Set<String> getPeerTags() {
@ -633,7 +631,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
if (flags.length() != 4) { flags = yacySeed.FLAGSZERO; }
final bitfield f = new bitfield(UTF8.getBytes(flags));
f.set(flag, value);
dna.put(yacySeed.FLAGS, UTF8.String(f.getBytes()));
this.dna.put(yacySeed.FLAGS, UTF8.String(f.getBytes()));
}
public final void setFlagDirectConnect(final boolean value) { setFlag(FLAG_DIRECT_CONNECT, value); }
@ -679,20 +677,20 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
public final boolean isOnline(final String type) {
return type.equals(yacySeed.PEERTYPE_SENIOR) || type.equals(yacySeed.PEERTYPE_PRINCIPAL);
}
public long nextLong(Random random, long n) {
public long nextLong(final Random random, final long n) {
return Math.abs(random.nextLong()) % n;
}
private static byte[] bestGap(final yacySeedDB seedDB) {
byte[] randomHash = randomHash();
final byte[] randomHash = randomHash();
if ((seedDB == null) || (seedDB.sizeConnected() <= 2)) {
// use random hash
return randomHash;
}
// find gaps
final TreeMap<Long, String> gaps = hashGaps(seedDB);
// take one gap; prefer biggest but take also another smaller by chance
String interval = null;
while (!gaps.isEmpty()) {
@ -700,14 +698,14 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
if (random.nextBoolean()) break;
}
if (interval == null) return randomHash();
// find dht position and size of gap
long left = FlatWordPartitionScheme.std.dhtPosition(ASCII.getBytes(interval.substring(0, 12)), null);
long right = FlatWordPartitionScheme.std.dhtPosition(ASCII.getBytes(interval.substring(12)), null);
final long left = FlatWordPartitionScheme.std.dhtPosition(ASCII.getBytes(interval.substring(0, 12)), null);
final long right = FlatWordPartitionScheme.std.dhtPosition(ASCII.getBytes(interval.substring(12)), null);
final long gap8 = FlatWordPartitionScheme.dhtDistance(left, right) >> 3; // 1/8 of a gap
long gapx = gap8 + (Math.abs(random.nextLong()) % (6 * gap8));
long gappos = (Long.MAX_VALUE - left >= gapx) ? left + gapx : (left - Long.MAX_VALUE) + gapx;
byte[] computedHash = FlatWordPartitionScheme.positionToHash(gappos);
final long gapx = gap8 + (Math.abs(random.nextLong()) % (6 * gap8));
final long gappos = (Long.MAX_VALUE - left >= gapx) ? left + gapx : (left - Long.MAX_VALUE) + gapx;
final byte[] computedHash = FlatWordPartitionScheme.positionToHash(gappos);
// the computed hash is the perfect position (modulo gap4 population and gap alternatives)
// this is too tight. The hash must be more randomized. We take only (!) the first two bytes
// of the computed hash and add random bytes at the remaining positions. The first two bytes
@ -722,11 +720,11 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
}
return combined;
}
private static TreeMap<Long, String> hashGaps(final yacySeedDB seedDB) {
final TreeMap<Long, String>gaps = new TreeMap<Long, String>();
if (seedDB == null) return gaps;
final Iterator<yacySeed> i = seedDB.seedsConnected(true, false, null, (float) 0.0);
long l;
yacySeed s0 = null, s1, first = null;
@ -752,11 +750,11 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
}
return gaps;
}
public static yacySeed genLocalSeed(final yacySeedDB db) {
return genLocalSeed(db, 0, null); // an anonymous peer
}
public static yacySeed genLocalSeed(final yacySeedDB db, final int port, final String name) {
// generate a seed for the local peer
// this is the birthplace of a seed, that then will start to travel to other peers
@ -781,7 +779,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
return ASCII.getBytes(hash);
}
public static yacySeed genRemoteSeed(final String seedStr, final String key, final boolean ownSeed, String patchIP) throws IOException {
public static yacySeed genRemoteSeed(final String seedStr, final String key, final boolean ownSeed, final String patchIP) throws IOException {
// this method is used to convert the external representation of a seed into a seed object
// yacyCore.log.logFinest("genRemoteSeed: seedStr=" + seedStr + " key=" + key);
@ -791,7 +789,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
final String seed = crypt.simpleDecode(seedStr, key);
if (seed == null) throw new IOException("seed == null");
if (seed.length() == 0) throw new IOException("seed.length() == 0");
// extract hash
final ConcurrentHashMap<String, String> dna = MapTools.string2map(seed, ",");
final String hash = dna.remove(yacySeed.HASH);
@ -808,7 +806,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
testResult = resultSeed.isProper(ownSeed);
}
if (testResult != null) throw new IOException("seed is not proper (" + testResult + "): " + resultSeed);
// seed ok
return resultSeed;
}
@ -816,7 +814,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
// TODO: add here IP ranges to accept also intranet networks
public final String isProper(final boolean checkOwnIP) {
// checks if everything is ok with that seed
// check hash
if (this.hash == null) return "hash is null";
if (this.hash.length() != Word.commonHashLength) return "wrong hash length (" + this.hash.length() + ")";
@ -824,22 +822,22 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
// name
final String peerName = this.dna.get(yacySeed.NAME);
if (peerName == null) return "no peer name given";
dna.put(yacySeed.NAME, checkPeerName(peerName));
this.dna.put(yacySeed.NAME, checkPeerName(peerName));
// type
final String peerType = this.getPeerType();
if ((peerType == null) ||
final String peerType = getPeerType();
if ((peerType == null) ||
!(peerType.equals(yacySeed.PEERTYPE_VIRGIN) || peerType.equals(yacySeed.PEERTYPE_JUNIOR)
|| peerType.equals(yacySeed.PEERTYPE_SENIOR) || peerType.equals(yacySeed.PEERTYPE_PRINCIPAL)))
return "invalid peerType '" + peerType + "'";
// check IP
if (!checkOwnIP) {
// checking of IP is omitted if we read the own seed file
final String ipCheck = isProperIP(this.getIP());
// checking of IP is omitted if we read the own seed file
final String ipCheck = isProperIP(getIP());
if (ipCheck != null) return ipCheck;
}
// seedURL
final String seedURL = this.dna.get(SEEDLISTURL);
if (seedURL != null && seedURL.length() > 0) {
@ -854,13 +852,13 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
}
return null;
}
public static final String isProperIP(final String ipString) {
// returns null if ipString is proper, a string with the cause otherwise
if (ipString == null) return ipString + " -> IP is null";
if (ipString.length() > 0 && ipString.length() < 8) return ipString + " -> IP is too short: ";
if (Switchboard.getSwitchboard().isAllIPMode()) return null;
boolean islocal = Domains.isLocal(ipString);
final boolean islocal = Domains.isLocal(ipString);
if (islocal && Switchboard.getSwitchboard().isGlobalMode()) return ipString + " - local IP for global mode rejected";
if (!islocal && Switchboard.getSwitchboard().isIntranetMode()) return ipString + " - global IP for intranet mode rejected";
return null;
@ -868,27 +866,24 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
@Override
public final String toString() {
HashMap<String, String> copymap = new HashMap<String, String>();
final ConcurrentMap<String, String> copymap = new ConcurrentHashMap<String, String>();
copymap.putAll(this.dna);
copymap.put(yacySeed.HASH, this.hash); // set hash into seed code structure
copymap.put(yacySeed.HASH, this.hash); // set hash into seed code structure
return MapTools.map2string(copymap, ",", true); // generate string representation
}
public final String genSeedStr(final String key) {
// use a default encoding
final String z = this.genSeedStr('z', key);
final String b = this.genSeedStr('b', key);
final String r = toString();
final String z = crypt.simpleEncode(r, key, 'z');
final String b = crypt.simpleEncode(r, key, 'b');
// the compressed string may be longer that the uncompressed if there is too much overhead for compression meta-info
// take simply that string that is shorter
if (b.length() < z.length()) return b; else return z;
}
public final String genSeedStr(final char method, final String key) {
return crypt.simpleEncode(this.toString(), key, method);
}
public final void save(final File f) throws IOException {
final String out = this.genSeedStr('p', null);
final String out = crypt.simpleEncode(toString(), null, 'p');
final FileWriter fw = new FileWriter(f);
fw.write(out, 0, out.length());
fw.close();
@ -907,29 +902,29 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
@Override
public final yacySeed clone() {
ConcurrentHashMap<String, String> ndna = new ConcurrentHashMap<String, String>();
final ConcurrentHashMap<String, String> ndna = new ConcurrentHashMap<String, String>();
ndna.putAll(this.dna);
return new yacySeed(this.hash, ndna);
}
@Override
public int compareTo(yacySeed arg0) {
public int compareTo(final yacySeed arg0) {
// TODO Auto-generated method stub
int o1 = this.hashCode();
int o2 = arg0.hashCode();
final int o1 = hashCode();
final int o2 = arg0.hashCode();
if (o1 > o2) return 1;
if (o2 > o1) return -1;
return 0;
}
@Override
public int hashCode() {
return (int) (Base64Order.enhancedCoder.cardinal(this.hash) & ((long) Integer.MAX_VALUE));
return (int) (Base64Order.enhancedCoder.cardinal(this.hash) & (Integer.MAX_VALUE));
}
@Override
public int compare(yacySeed o1, yacySeed o2) {
public int compare(final yacySeed o1, final yacySeed o2) {
return o1.compareTo(o2);
}
}

@ -30,10 +30,10 @@ import java.util.ConcurrentModificationException;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.Map.Entry;
import java.util.concurrent.ConcurrentHashMap;
public final class MapTools {
@ -50,7 +50,7 @@ public final class MapTools {
}
return p;
}
public static ConcurrentHashMap<String, String> string2map(String string, final String separator) {
// this can be used to parse a Map.toString() into a Map again
if (string == null) return null;
@ -72,7 +72,7 @@ public final class MapTools {
// m must be synchronized to prevent that a ConcurrentModificationException occurs
synchronized (m) {
final StringBuilder buf = new StringBuilder(30 * m.size());
if (braces) { buf.append("{"); }
if (braces) { buf.append('{'); }
int retry = 10;
critical: while (retry > 0) {
try {
@ -89,11 +89,11 @@ public final class MapTools {
buf.setLength(1); // fail
}
if (buf.length() > 1) { buf.setLength(buf.length() - 1); } // remove last separator
if (braces) { buf.append("}"); }
if (braces) { buf.append('}'); }
return buf.toString();
}
}
public static Set<String> string2set(String string, final String separator) {
// this can be used to parse a Map.toString() into a Map again
if (string == null) return null;
@ -107,7 +107,7 @@ public final class MapTools {
}
return set;
}
public static String set2string(final Set<String> s, final String separator, final boolean braces) {
final StringBuilder buf = new StringBuilder(s.size() * 40 + 1);
if (braces) buf.append('{');

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