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yacy_search_server
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*) simplifying code by moving closeTransferIndexes into final block

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git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@1522 6c8d7289-2bf4-0310-a012-ef5d649a1542
pull/1/head
theli 19 years ago
parent 0a30868c75
commit 008bcb7fb8
1 changed files with 103 additions and 96 deletions
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49
source/de/anomic/plasma/plasmaWordIndexDistribution.java
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@ -121,6 +121,10 @@ public final class plasmaWordIndexDistribution {
}
}
private boolean isClosed() {
return (this.closed || Thread.currentThread().isInterrupted());
}
public boolean job() {
if (this.closed) {
@ -194,13 +198,17 @@ public final class plasmaWordIndexDistribution {
if ((yacyCore.seedDB == null) || (yacyCore.seedDB.sizeConnected() == 0)) return -1;
// collect index
plasmaWordIndexEntryContainer[] indexContainers = null;
try {
String startPointHash = selectTransferStart();
log.logFine("Selected hash " + startPointHash + " as start point for index distribution, distance = " + yacyDHTAction.dhtDistance(yacyCore.seedDB.mySeed.hash, startPointHash));
this.log.logFine("Selected hash " + startPointHash + " as start point for index distribution, distance = " + yacyDHTAction.dhtDistance(yacyCore.seedDB.mySeed.hash, startPointHash));
Object[] selectResult = selectTransferContainers(startPointHash, indexCount);
plasmaWordIndexEntryContainer[] indexContainers = (plasmaWordIndexEntryContainer[]) selectResult[0];
indexContainers = (plasmaWordIndexEntryContainer[]) selectResult[0];
HashMap urlCache = (HashMap) selectResult[1]; // String (url-hash) / plasmaCrawlLURL.Entry
if ((indexContainers == null) || (indexContainers.length == 0)) {
log.logFine("No index available for index transfer, hash start-point " + startPointHash);
this.log.logFine("No index available for index transfer, hash start-point " + startPointHash);
return -1;
}
// count the indexes again, can be smaller as expected
@ -209,8 +217,7 @@ public final class plasmaWordIndexDistribution {
indexCount += indexContainers[i].size();
}
if (indexCount < 50) {
log.logFine("Too few (" + indexCount + ") indexes selected for transfer.");
closeTransferIndexes(indexContainers);
this.log.logFine("Too few (" + indexCount + ") indexes selected for transfer.");
return -1; // failed
}
@ -227,8 +234,8 @@ public final class plasmaWordIndexDistribution {
double avdist;
Enumeration e = yacyCore.dhtAgent.getAcceptRemoteIndexSeeds(keyhash);
while ((e.hasMoreElements()) && (hc0 < seeds.length)) {
if (closed) {
log.logSevere("Index distribution interrupted by close, nothing deleted locally.");
if (this.isClosed()) {
this.log.logSevere("Index distribution interrupted by close, nothing deleted locally.");
return -1; // interrupted
}
seeds[hc0] = (yacySeed) e.nextElement();
@ -236,7 +243,7 @@ public final class plasmaWordIndexDistribution {
avdist = Math.max(yacyDHTAction.dhtDistance(seeds[hc0].hash, indexContainers[0].wordHash()),
yacyDHTAction.dhtDistance(seeds[hc0].hash, indexContainers[indexContainers.length - 1].wordHash()));
if (avdist < maxDistance) {
log.logInfo("Selected " + ((hc0 < peerCount) ? "primary" : "reserve") + " DHT target peer " + seeds[hc0].getName() + ":" + seeds[hc0].hash + ", distance = " + avdist);
this.log.logInfo("Selected " + ((hc0 < peerCount) ? "primary" : "reserve") + " DHT target peer " + seeds[hc0].getName() + ":" + seeds[hc0].hash + ", distance = " + avdist);
hc0++;
}
}
@ -245,8 +252,7 @@ public final class plasmaWordIndexDistribution {
}
if (hc0 < peerCount) {
log.logWarning("found not enough (" + hc0 + ") peers for distribution");
closeTransferIndexes(indexContainers);
this.log.logWarning("found not enough (" + hc0 + ") peers for distribution");
return -1; // failed
}
@ -256,8 +262,8 @@ public final class plasmaWordIndexDistribution {
long start;
int hc1 = 0;
for (int i = 0; i < hc0; i++) {
if (closed) {
log.logSevere("Index distribution interrupted by close, nothing deleted locally.");
if (this.isClosed()) {
this.log.logSevere("Index distribution interrupted by close, nothing deleted locally.");
return -1; // interrupted
}
start = System.currentTimeMillis();
@ -268,12 +274,12 @@ public final class plasmaWordIndexDistribution {
this.gzipBody4Distribution,
this.timeout4Distribution);
if (error == null) {
log.logInfo("Index transfer of " + indexCount + " words [" + indexContainers[0].wordHash() + " .. " + indexContainers[indexContainers.length - 1].wordHash() + "] to peer " + seeds[i].getName() + ":" + seeds[i].hash + " in " + ((System.currentTimeMillis() - start) / 1000)
this.log.logInfo("Index transfer of " + indexCount + " words [" + indexContainers[0].wordHash() + " .. " + indexContainers[indexContainers.length - 1].wordHash() + "] to peer " + seeds[i].getName() + ":" + seeds[i].hash + " in " + ((System.currentTimeMillis() - start) / 1000)
+ " seconds successfull (" + (1000 * indexCount / (System.currentTimeMillis() - start + 1)) + " words/s)");
peerNames += ", " + seeds[i].getName();
hc1++;
} else {
log.logWarning("Index transfer to peer " + seeds[i].getName() + ":" + seeds[i].hash + " failed:'" + error + "', disconnecting peer");
this.log.logWarning("Index transfer to peer " + seeds[i].getName() + ":" + seeds[i].hash + " failed:'" + error + "', disconnecting peer");
yacyCore.peerActions.peerDeparture(seeds[i]);
}
if (hc1 >= peerCount) break;
@ -285,18 +291,19 @@ public final class plasmaWordIndexDistribution {
// success
if (delete) {
int deletedURLs = deleteTransferIndexes(indexContainers);
log.logFine("Deleted from " + indexContainers.length + " transferred RWIs locally, removed " + deletedURLs + " URL references");
this.log.logFine("Deleted from " + indexContainers.length + " transferred RWIs locally, removed " + deletedURLs + " URL references");
indexContainers = null;
return indexCount;
} else {
// simply close the indexEntities
closeTransferIndexes(indexContainers);
}
return indexCount;
} else {
log.logSevere("Index distribution failed. Too few peers (" + hc1 + ") received the index, not deleted locally.");
}
this.log.logSevere("Index distribution failed. Too few peers (" + hc1 + ") received the index, not deleted locally.");
return -1;
} finally {
if (indexContainers != null) {
// simply close the indexEntities
closeTransferIndexes(indexContainers);
return -1;
}
}
}

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