You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
280 lines
12 KiB
280 lines
12 KiB
// plasmaDHTTransfer.java
|
|
// ------------------------------
|
|
// part of YaCy
|
|
// (C) by Michael Peter Christen; mc@anomic.de
|
|
// first published on http://www.anomic.de
|
|
// Frankfurt, Germany, 2005, 2006
|
|
//
|
|
// This class was provided by Martin Thelian
|
|
//
|
|
// 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
|
|
//
|
|
// Using this software in any meaning (reading, learning, copying, compiling,
|
|
// running) means that you agree that the Author(s) is (are) not responsible
|
|
// for cost, loss of data or any harm that may be caused directly or indirectly
|
|
// by usage of this softare or this documentation. The usage of this software
|
|
// is on your own risk. The installation and usage (starting/running) of this
|
|
// software may allow other people or application to access your computer and
|
|
// any attached devices and is highly dependent on the configuration of the
|
|
// software which must be done by the user of the software; the author(s) is
|
|
// (are) also not responsible for proper configuration and usage of the
|
|
// software, even if provoked by documentation provided together with
|
|
// the software.
|
|
//
|
|
// Any changes to this file according to the GPL as documented in the file
|
|
// gpl.txt aside this file in the shipment you received can be done to the
|
|
// lines that follows this copyright notice here, but changes must not be
|
|
// done inside the copyright notive above. A re-distribution must contain
|
|
// the intact and unchanged copyright notice.
|
|
// Contributions and changes to the program code must be marked as such.
|
|
|
|
package de.anomic.plasma;
|
|
|
|
import java.util.HashMap;
|
|
|
|
import de.anomic.server.logging.serverLog;
|
|
import de.anomic.yacy.yacyClient;
|
|
import de.anomic.yacy.yacyCore;
|
|
import de.anomic.yacy.yacySeed;
|
|
|
|
public class plasmaDHTTransfer extends Thread {
|
|
|
|
public static final int TRANSFER_MODE_DISTRIBUTION = 0;
|
|
public static final int TRANSFER_MODE_FLUSH = 1;
|
|
|
|
// connection properties
|
|
private boolean gzipBody4Transfer = false;
|
|
private int timeout4Transfer = 60000;
|
|
|
|
// status fields
|
|
private boolean stopped = false;
|
|
private long transferTime = 0;
|
|
private long payloadSize = 0;
|
|
private int transferStatus = plasmaDHTChunk.chunkStatus_UNDEFINED;
|
|
private String transferStatusMessage = "";
|
|
|
|
// delivery destination
|
|
private yacySeed seed = null;
|
|
|
|
// word chunk
|
|
plasmaDHTChunk dhtChunk;
|
|
|
|
// other fields
|
|
private int maxRetry;
|
|
private int transferMode = TRANSFER_MODE_DISTRIBUTION;
|
|
serverLog log;
|
|
|
|
public plasmaDHTTransfer(
|
|
serverLog log,
|
|
yacySeed destSeed,
|
|
plasmaDHTChunk dhtChunk,
|
|
boolean gzipBody,
|
|
int timeout,
|
|
int retries
|
|
) {
|
|
super(new ThreadGroup("TransferIndexThreadGroup"), "TransferIndexWorker_" + destSeed.getName());
|
|
this.log = log;
|
|
this.gzipBody4Transfer = gzipBody;
|
|
this.timeout4Transfer = timeout;
|
|
this.dhtChunk = dhtChunk;
|
|
this.maxRetry = retries;
|
|
this.seed = destSeed;
|
|
}
|
|
|
|
public void setTransferMode(int mode) {
|
|
this.transferMode = mode;
|
|
}
|
|
|
|
public void run() {
|
|
try {
|
|
this.uploadIndex();
|
|
} catch (InterruptedException e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
|
|
private boolean isAborted() {
|
|
if (this.stopped || Thread.currentThread().isInterrupted()) {
|
|
this.transferStatus = plasmaDHTChunk.chunkStatus_INTERRUPTED;
|
|
this.transferStatusMessage = "aborted";
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public void stopIt() {
|
|
this.stopped = true;
|
|
}
|
|
|
|
public long getTransferTime() {
|
|
return this.transferTime;
|
|
}
|
|
|
|
public long getPayloadSize() {
|
|
return this.payloadSize;
|
|
}
|
|
|
|
public int getStatus() {
|
|
return this.transferStatus;
|
|
}
|
|
|
|
public String getStatusMessage() {
|
|
return this.transferStatusMessage;
|
|
}
|
|
|
|
public yacySeed getSeed() {
|
|
return this.seed;
|
|
}
|
|
|
|
public void uploadIndex() throws InterruptedException {
|
|
|
|
/* loop until we
|
|
* - have successfully transfered the words list or
|
|
* - the retry counter limit was exceeded
|
|
*/
|
|
this.transferStatus = plasmaDHTChunk.chunkStatus_RUNNING;
|
|
long retryCount = 0, start = System.currentTimeMillis();
|
|
while (true) {
|
|
// testing if we were aborted
|
|
if (this.isAborted()) return;
|
|
|
|
// transfering seleted words to remote peer
|
|
this.transferStatusMessage = "Running: Transfering chunk to target " + this.seed.hash + "/" + this.seed.getName();
|
|
HashMap result = yacyClient.transferIndex(this.seed, this.dhtChunk.containers(), this.dhtChunk.urlCacheMap(), this.gzipBody4Transfer, this.timeout4Transfer);
|
|
String error = (String) result.get("result");
|
|
if (error == null) {
|
|
// words successfully transfered
|
|
this.transferTime = System.currentTimeMillis() - start;
|
|
this.payloadSize = ((Integer)result.get("payloadSize")).intValue();
|
|
|
|
this.log.logInfo("Index transfer of " + this.dhtChunk.indexCount() +
|
|
" entries " + this.dhtChunk.containerSize() +
|
|
" words [" + this.dhtChunk.firstContainer().getWordHash() + " .. " + this.dhtChunk.lastContainer().getWordHash() + "]" +
|
|
" and " + this.dhtChunk.urlCacheMap().size() + " URLs" +
|
|
" to peer " + this.seed.getName() + ":" + this.seed.hash +
|
|
" in " + (this.transferTime / 1000) +
|
|
" seconds successful (" + (1000 * this.dhtChunk.indexCount() / (this.transferTime + 1)) +
|
|
" words/s, " + this.payloadSize + " Bytes)");
|
|
|
|
// if the peer has set a pause time and we are in flush mode (index transfer)
|
|
// then we pause for a while now
|
|
if (this.transferMode == TRANSFER_MODE_FLUSH) {
|
|
long pause = getBusyTime(result);
|
|
if (pause != -1) {
|
|
this.transferStatusMessage = "Finished: Transfer of chunk to target " + this.seed.hash + "/" + this.seed.getName() + ". Pausing " + pause + " ms.";
|
|
this.pause(pause);
|
|
}
|
|
} else {
|
|
this.transferStatusMessage = "Finished: Transfer of chunk to target " + this.seed.hash + "/" + this.seed.getName();
|
|
}
|
|
|
|
// transfer of chunk finished
|
|
this.transferStatus = plasmaDHTChunk.chunkStatus_COMPLETE;
|
|
retryCount = 0;
|
|
|
|
break;
|
|
}
|
|
|
|
// inc retry counter
|
|
retryCount++;
|
|
if (this.isAborted()) return;
|
|
|
|
boolean reconnectNeeded = false;
|
|
long pauseTime = 1;
|
|
|
|
if (error.equals("busy")) {
|
|
// get pause time that was requested by the remote peer
|
|
pauseTime = getBusyTime(result);
|
|
if (pauseTime == -1) pauseTime = 60000;
|
|
|
|
this.transferStatusMessage = "Peer " + this.seed.getName() + ":" + this.seed.hash + " is busy. Waiting " + pauseTime + " ms.";
|
|
this.log.logInfo(this.transferStatusMessage);
|
|
} else {
|
|
this.transferStatusMessage = "Transfer to peer " + this.seed.getName() + ":" + this.seed.hash + " failed:'" + error + "', Trying to reconnect ...";
|
|
|
|
// force disconnection of peer
|
|
yacyCore.peerActions.peerDeparture(this.seed);
|
|
this.log.logWarning(this.transferStatusMessage);
|
|
|
|
// calculate pause time
|
|
pauseTime = retryCount * 10000;
|
|
reconnectNeeded = true;
|
|
}
|
|
|
|
// if the retry counter limit was not exceeded we'll retry it in a few seconds
|
|
if (retryCount > this.maxRetry) {
|
|
this.transferStatusMessage = "Transfer aborted. Retry limit reached.";
|
|
this.transferStatus = plasmaDHTChunk.chunkStatus_FAILED;
|
|
return;
|
|
}
|
|
|
|
// sleep for a while
|
|
this.pause(pauseTime);
|
|
|
|
// reconnect to peer if needed
|
|
if (reconnectNeeded) {
|
|
|
|
/* loop until
|
|
* - we have successfully done a peer ping or
|
|
* - the retry counter limit was exceeded
|
|
*/
|
|
while (true) {
|
|
// testing if we were aborted ...
|
|
if (this.isAborted())
|
|
return;
|
|
|
|
// doing a peer ping to the remote seed
|
|
int added = yacyClient.publishMySeed(this.seed.getPublicAddress(), this.seed.hash);
|
|
if (added < 0) {
|
|
// inc. retry counter
|
|
retryCount++;
|
|
this.transferStatusMessage = "Disconnected peer: Peer ping failed. " + ((retryCount > 5) ? "Transfer aborted." : "Retry " + retryCount);
|
|
if (retryCount > this.maxRetry) return;
|
|
this.pause(retryCount * 10000);
|
|
continue;
|
|
}
|
|
|
|
yacyCore.seedDB.getConnected(this.seed.hash);
|
|
this.transferStatusMessage = "running";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private long getBusyTime(HashMap result) {
|
|
int pause = -1;
|
|
HashMap transferRWIResult = (HashMap) result.get("resultTransferRWI");
|
|
if (transferRWIResult != null && transferRWIResult.containsKey("pause")) {
|
|
String pauseStr = (String) transferRWIResult.get("pause");
|
|
try { pause = Integer.valueOf(pauseStr).intValue(); } catch (NumberFormatException numEx){}
|
|
if (pause < 0) pause = 5000;
|
|
else if (pause > 30000) pause = 30000;
|
|
}
|
|
return pause;
|
|
}
|
|
|
|
private void pause(long sleepTime) throws InterruptedException {
|
|
if (sleepTime == 0) return;
|
|
long sleepCounter = sleepTime / 1000;
|
|
long sleepRest = sleepTime % 1000;
|
|
while (!this.isAborted() && sleepCounter > 0) {
|
|
sleepCounter--;
|
|
Thread.sleep(1000);
|
|
}
|
|
if (sleepRest > 0) Thread.sleep(sleepRest);
|
|
}
|
|
}
|