Current File : //proc/309157/task/309157/root/home/waritko/yacy/htroot/ConfigHTCache_p.java
// ConfigHTCache_p.java
// ---------------------------
// (C) by Michael Peter Christen; mc@yacy.net
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
//
// $LastChangedDate: 2010-09-02 21:24:22 +0200 (Do, 02 Sep 2010) $
// $LastChangedRevision: 7092 $
// $LastChangedBy: orbiter $
//
// 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
// You must compile this file with
// javac -classpath .:../classes ProxyIndexingMonitor_p.java
// if the shell's current path is HTROOT
import java.io.File;
import java.io.IOException;
import java.text.NumberFormat;
import java.util.zip.Deflater;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.crawler.data.Cache;
import net.yacy.search.Switchboard;
import net.yacy.search.SwitchboardConstants;
import net.yacy.server.serverObjects;
import net.yacy.server.serverSwitch;
public class ConfigHTCache_p {
public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) throws IOException {
// return variable that accumulates replacements
final Switchboard sb = (Switchboard) env;
final serverObjects prop = new serverObjects();
if (post != null && post.containsKey("set")) {
// proxyCache - check and create the directory
final String oldProxyCachePath = env.getConfig(SwitchboardConstants.HTCACHE_PATH, SwitchboardConstants.HTCACHE_PATH_DEFAULT);
String newProxyCachePath = post.get("HTCachePath", SwitchboardConstants.HTCACHE_PATH_DEFAULT);
newProxyCachePath = newProxyCachePath.replace('\\', '/');
if (newProxyCachePath.endsWith("/")) {
newProxyCachePath = newProxyCachePath.substring(0, newProxyCachePath.length() - 1);
}
env.setConfig(SwitchboardConstants.HTCACHE_PATH, newProxyCachePath);
final File cache = env.getDataPath(SwitchboardConstants.HTCACHE_PATH, oldProxyCachePath);
if (!cache.isDirectory() && !cache.isFile()) {
cache.mkdirs();
}
// proxyCacheSize
final int newProxyCacheSize = Math.max(post.getInt("maxCacheSize", 64), 0);
env.setConfig(SwitchboardConstants.PROXY_CACHE_SIZE, newProxyCacheSize);
Cache.setMaxCacheSize(newProxyCacheSize * 1024L * 1024L);
/* Compression level*/
/* Ensure a value within the range supported by the Deflater class */
final int newCompressionLevel = Math.max(Deflater.NO_COMPRESSION, Math.min(Deflater.BEST_COMPRESSION,
post.getInt("compressionLevel", SwitchboardConstants.HTCACHE_COMPRESSION_LEVEL_DEFAULT)));
env.setConfig(SwitchboardConstants.HTCACHE_COMPRESSION_LEVEL, newCompressionLevel);
Cache.setCompressionLevel(newCompressionLevel);
/* Synchronization lock timeout */
final long newLockTimeout = Math.max(10, Math.min(60000,
post.getLong("lockTimeout", SwitchboardConstants.HTCACHE_SYNC_LOCK_TIMEOUT_DEFAULT)));
env.setConfig(SwitchboardConstants.HTCACHE_SYNC_LOCK_TIMEOUT, newLockTimeout);
Cache.setLockTimeout(newLockTimeout);
}
if (post != null && post.containsKey("deletecomplete")) {
if ("on".equals(post.get("deleteCache", ""))) {
Cache.clear();
}
if ("on".equals(post.get("deleteRobots", ""))) {
sb.robots.clear();
}
}
prop.put("HTCachePath", env.getConfig(SwitchboardConstants.HTCACHE_PATH, SwitchboardConstants.HTCACHE_PATH_DEFAULT));
/* Compression levels */
final int configuredCompressionLevel = env.getConfigInt(SwitchboardConstants.HTCACHE_COMPRESSION_LEVEL,
SwitchboardConstants.HTCACHE_COMPRESSION_LEVEL_DEFAULT);
int levelsCount = 0;
for(int level = Deflater.NO_COMPRESSION; level <= Deflater.BEST_COMPRESSION; level++) {
if(level == configuredCompressionLevel) {
prop.put("compressionLevels_" + levelsCount + "_selected", "1");
} else {
prop.put("compressionLevels_" + levelsCount + "_selected", "0");
}
prop.put("compressionLevels_" + levelsCount + "_value", level);
prop.put("compressionLevels_" + levelsCount + "_name", level);
if(level == Deflater.NO_COMPRESSION) {
prop.put("compressionLevels_" + levelsCount + "_name", "0 - No compression");
} else if(level == Deflater.BEST_SPEED) {
prop.put("compressionLevels_" + levelsCount + "_name", Deflater.BEST_SPEED + " - Best speed");
} else if(level == Deflater.BEST_COMPRESSION) {
prop.put("compressionLevels_" + levelsCount + "_name", Deflater.BEST_COMPRESSION + " - Best compression");
}
levelsCount++;
}
prop.put("compressionLevels", levelsCount);
prop.put("lockTimeout", env.getConfigLong(SwitchboardConstants.HTCACHE_SYNC_LOCK_TIMEOUT,
SwitchboardConstants.HTCACHE_SYNC_LOCK_TIMEOUT_DEFAULT));
prop.put("actualCacheSize", Cache.getActualCacheSize() / 1024 / 1024);
prop.put("actualCacheDocCount", Cache.getActualCacheDocCount());
prop.put("docSizeAverage", Cache.getActualCacheDocCount() == 0 ? 0 : Cache.getActualCacheSize() / Cache.getActualCacheDocCount() / 1024);
prop.put("maxCacheSize", env.getConfigLong(SwitchboardConstants.PROXY_CACHE_SIZE, 64));
/* Statistics */
final long hits = Cache.getHits();
final long totalRequests = Cache.getTotalRequests();
prop.put("hits", hits);
prop.put("requests", totalRequests);
prop.put("hitRate", NumberFormat.getPercentInstance().format(Cache.getHitRate()));
// return rewrite properties
return prop;
}
}
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