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yacy_search_server
mirror of https://github.com/yacy/yacy_search_server
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- added some comments (will get more in the near future)

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- added missing <label> to the search field in Network.html

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@3728 6c8d7289-2bf4-0310-a012-ef5d649a1542
pull/1/head
karlchenofhell 18 years ago
parent eda8696e33
commit 8ba81e0995
2 changed files with 102 additions and 29 deletions
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10
htroot/Network.html
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@ -31,10 +31,12 @@
::
<p>Showing #[num]# entries from a total of #[total]# peers.</p>
<form action="Network.html?page=#[page]#" method="get" enctype="multipart/form-data" accept-charset="UTF-8">
<fieldset>
Search for a peername (RegExp allowed):
<input type="text" name="match" value="#[searchpattern]#" /><input type="hidden" name="page" value="#[page]#" /><input type="submit" name="search" value="Search" />
</fieldset>
<fieldset>
<label for="match">Search for a peername (RegExp allowed)</label>:
<input type="text" id="match" name="match" value="#[searchpattern]#" />
<input type="hidden" name="page" value="#[page]#" />
<input type="submit" name="search" value="Search" />
</fieldset>
</form>
<table class="networkTable" border="0" cellpadding="2" cellspacing="1">
<tr class="TableHeader" valign="bottom">

121
source/de/anomic/yacy/yacySeed.java
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@ -72,6 +72,8 @@ import java.util.Map;
import java.util.Properties;
import java.util.Set;
import com.sun.org.apache.bcel.internal.generic.LLOAD;
import de.anomic.kelondro.kelondroBase64Order;
import de.anomic.net.natLib;
import de.anomic.plasma.plasmaCondenser;
@ -235,16 +237,37 @@ public class yacySeed {
this.available = 0;
}
/** generate a default peer name */
/**
* Generate a default peer name assembled of the following fragments in order:
* <ul>
* <li>the public IP (may be an IPv4- or IPv6-IP) obtained by {@link serverCore#publicIP()} followed by a minus sign (<code>-</code>)</li>
* <li>a pseudo-random value, the {@link yacyCore#speedKey}</li>
* <li>the string '<code>dpn</code>' which assumingly stands for Default Peer Name</li>
* <li>shortened OS information, the {@link serverSystem#infoKey()}</li>
* <li>another pseudo-random value derived from the {@link System#currentTimeMillis()}-method modulo 99</li>
* </ul>
* @return a default peer name following the above pattern whereas dots, underscores and colons are replaced by minus signs
*/
public static String makeDefaultPeerName() {
String name = serverCore.publicIP() + "-" + yacyCore.speedKey + "dpn" + serverSystem.infoKey() + (System.currentTimeMillis() & 99);
name = name.replace('.', '-');
name = name.replace('_', '-');
name = name.replace(':', '-');
return name;
}
/**
* Checks for the static fragments of a generated default peer name, such as the string 'dpn'
* @see #makeDefaultPeerName()
* @param name the peer name to check for default peer name compliance
* @return whether the given peer name may be a default generated peer name
*/
public static boolean isDefaultPeerName(String name) {
return name != null && name.length() > 10 && name.charAt(0) <= '9' && name.charAt(name.length() - 1) <= '9' && name.indexOf("dpn") > 0;
return (name != null &&
name.length() > 10 &&
name.charAt(0) <= '9' &&
name.charAt(name.length() - 1) <= '9' &&
name.indexOf("dpn") > 0);
}
/**
@ -313,7 +336,7 @@ public class yacySeed {
}
}
/** return the DNA-map of this peer */
/** @return the DNA-map of this peer */
public final Map getMap() {
return this.dna;
}
@ -350,35 +373,62 @@ public class yacySeed {
dna.put(yacySeed.URL_IN, Integer.toString(Integer.parseInt(v) + count));
}
// 12 * 6 bit = 72 bit = 24 characters octal-hash
// octal hashes are used for cache-dumps that are DHT-ready
// cause: the natural order of octal hashes are the same as the b64-order of b64Hashes
// a hexhash cannot be used in such cases, and b64Hashes are not appropriate for file names
/**
* <code>12 * 6 bit = 72 bit = 24</code> characters octal-hash
* <p>Octal hashes are used for cache-dumps that are DHT-ready</p>
* <p>
* Cause: the natural order of octal hashes are the same as the b64-order of b64Hashes.
* a hexhash cannot be used in such cases, and b64Hashes are not appropriate for file names
* </p>
* @param b64Hash a base64 hash
* @return the octal representation of the given base64 hash
*/
public static String b64Hash2octalHash(String b64Hash) {
return serverCodings.encodeOctal(kelondroBase64Order.enhancedCoder.decode(b64Hash));
}
// 12 * 6 bit = 72 bit = 18 characters hex-hash
/**
* <code>12 * 6 bit = 72 bit = 18</code> characters hex-hash
* @param b64Hash a base64 hash
* @return the hexadecimal representation of the given base64 hash
*/
public static String b64Hash2hexHash(String b64Hash) {
// the hash string represents 12 * 6 bit = 72 bits. This is too much for a long integer.
return serverCodings.encodeHex(kelondroBase64Order.enhancedCoder.decode(b64Hash));
}
/**
* @param hexHash a hexadecimal hash
* @return the base64 representation of the given hex hash
*/
public static String hexHash2b64Hash(String hexHash) {
return kelondroBase64Order.enhancedCoder.encode(serverCodings.decodeHex(hexHash));
}
// 12 * 6 bit = 72 bit = 9 byte
/**
* <code>12 * 6 bit = 72 bit = 9 byte</code>
* @param b64Hash a base64 hash
* @return returns a base256 - a byte - representation of the given base64 hash
*/
public static byte[] b64Hash2b256Hash(String b64Hash) {
assert b64Hash.length() == 12;
return kelondroBase64Order.enhancedCoder.decode(b64Hash);
}
/**
* @param b256Hash a base256 hash - normal byte number system
* @return the base64 representation of the given base256 hash
*/
public static String b256Hash2b64Hash(byte[] b256Hash) {
assert b256Hash.length == 9;
return kelondroBase64Order.enhancedCoder.encode(b256Hash);
}
/**
* 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
*/
public final float getVersion() {
try {
return Float.parseFloat(get(yacySeed.VERSION, yacySeed.ZERO));
@ -386,9 +436,12 @@ public class yacySeed {
return 0;
}
}
/**
* @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() {
// returns an ip:port string
String ip = (String) this.dna.get(yacySeed.IP);
if (ip == null) { return null; }
if (ip.length() < 8) { return null; } // 10.0.0.0
@ -401,11 +454,14 @@ public class yacySeed {
return ip + ":" + port;
}
/**
* 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,
* construct an address using this IP; otherwise return the public address
* @see #getPublicAddress()
* @return the alternative IP:port if present, else the public address
*/
public final String getClusterAddress() {
// if this seed is part of a cluster, the peer has probably the
// 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,
// construct an address using this ip; othervise return the public address
if (this.alternativeIP == null) return getPublicAddress();
final String port = (String) this.dna.get(yacySeed.PORT);
@ -413,13 +469,15 @@ public class yacySeed {
return this.alternativeIP + ":" + port;
}
/**
* @return the IP address of the peer represented by this yacySeed object as {@link InetAddress}
*/
public final InetAddress getInetAddress() {
// returns the ip address
return natLib.getInetAddress((String) this.dna.get(yacySeed.IP));
}
/** Get the portnumber of this seed */
/** @return the portnumber of this seed or <code>-1</code> if not present */
public final int getPort() {
final String port = (String) this.dna.get(yacySeed.PORT);
if (port == null) return -1;
@ -427,24 +485,32 @@ public class yacySeed {
return Integer.parseInt(port);
}
/**
* To synchronize peer pings the local time differential must be included in calculations.
* @return the difference to UTC (universal time coordinated) in milliseconds of this yacySeed,
* the difference to <code>+0130</code> if not present or <code>0</code> if an error occured during conversion
*/
public final long getUTCDiff() {
String utc = (String) this.dna.get(yacySeed.UTC);
if (utc == null) { utc = "+0130"; }
try {
return serverDate.UTCDiff(utc);
} catch (RuntimeException e) {
} catch (IllegalArgumentException e) {
return 0;
}
}
/** puts the current time into the lastseen field and cares about the time differential to UTC */
public final void setLastSeenUTC() {
// we put the current time into the lastseen field
// 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.
dna.put(yacySeed.LASTSEEN, yacyCore.universalDateShortString(new Date(System.currentTimeMillis() - serverDate.UTCDiff())) );
}
/**
* @return the last seen time converted to UTC in milliseconds
*/
public final long getLastSeenUTC() {
try {
final long t = yacyCore.parseUniversalDate(get(yacySeed.LASTSEEN, "20040101000000")).getTime();
@ -462,11 +528,16 @@ public class yacySeed {
}
}
/**
* @see #getLastSeenUTC()
* @return the last seen value as string representation in the following format: YearMonthDayHoursMinutesSeconds
* or <code>20040101000000</code> if not present
*/
public final String getLastSeenString() {
return get(yacySeed.LASTSEEN, "20040101000000");
}
/** returns the age of the seed in number of days */
/** @return the age of the seed in number of days */
public final int getAge() {
try {
final long t = yacyCore.parseUniversalDate(get(yacySeed.BDATE, "20040101000000")).getTime();

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