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137 lines
6.7 KiB
137 lines
6.7 KiB
// transferURL.java
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// -----------------------
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// part of the AnomicHTTPD caching proxy
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004, 2005
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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// You must compile this file with
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// javac -classpath .:../classes transferRWI.java
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import de.anomic.http.httpHeader;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.plasma.plasmaCrawlLURL;
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import de.anomic.server.serverCore;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.yacy.yacyCore;
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import de.anomic.yacy.yacySeed;
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public final class transferURL {
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public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch ss) throws InterruptedException {
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if (post == null || ss == null) { return null; }
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long start = System.currentTimeMillis();
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// return variable that accumulates replacements
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final plasmaSwitchboard sb = (plasmaSwitchboard) ss;
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final serverObjects prop = new serverObjects();
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if (prop == null || sb == null) { return null; }
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// request values
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final String iam = post.get("iam", ""); // seed hash of requester
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// final String youare = post.get("youare", ""); // seed hash of the target peer, needed for network stability
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// final String key = post.get("key", ""); // transmission key
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final int urlc = post.getInt("urlc", 0); // number of transported urls
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final boolean granted = sb.getConfig("allowReceiveIndex", "false").equals("true");
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final boolean blockBlacklist = sb.getConfig("indexReceiveBlockBlacklist", "false").equals("true");
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// response values
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String result = "";
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String doublevalues = "0";
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final yacySeed otherPeer = yacyCore.seedDB.get(iam);
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final String otherPeerName = iam + ":" + ((otherPeer == null) ? "NULL" : (otherPeer.getName() + "/" + otherPeer.getVersion()));
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if (granted) {
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int received = 0;
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final int sizeBefore = sb.urlPool.loadedURL.size();
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// read the urls from the other properties and store
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String urls;
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plasmaCrawlLURL.Entry lEntry;
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for (int i = 0; i < urlc; i++) {
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serverCore.checkInterruption();
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urls = (String) post.get("url" + i);
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if (urls == null) {
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yacyCore.log.logFine("transferURL: got null URL-string from peer " + otherPeerName);
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} else {
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lEntry = sb.urlPool.loadedURL.newEntry(urls, true);
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if ((lEntry != null) && (lEntry.url() != null)) {
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if ((blockBlacklist) &&
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(plasmaSwitchboard.urlBlacklist.isListed(lEntry.hash(), lEntry.url()))) {
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int deleted = sb.wordIndex.tryRemoveURLs(lEntry.hash());
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yacyCore.log.logFine("transferURL: blocked blacklisted URL '" + lEntry.url() + "' from peer " + otherPeerName + "; deleted " + deleted + " URL entries from RWIs");
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lEntry = null;
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} else {
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lEntry.store();
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sb.urlPool.loadedURL.stackEntry(lEntry, iam, iam, 3);
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yacyCore.log.logFine("transferURL: received URL '"
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+ lEntry.url() + "' from peer "
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+ otherPeerName);
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received++;
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}
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} else {
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yacyCore.log.logWarning("transferURL: received invalid URL from peer " + otherPeerName +
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"\n\tURL Property: " + urls);
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// TODO: should we send back an error message???
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}
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}
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}
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yacyCore.seedDB.mySeed.incRU(received);
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// return rewrite properties
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final int more = sb.urlPool.loadedURL.size() - sizeBefore;
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doublevalues = Integer.toString(received - more);
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sb.getLog().logInfo("Received " + received + " URLs from peer " + otherPeerName + " in " + (System.currentTimeMillis() - start) + " ms.");
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if ((received - more) > 0) sb.getLog().logSevere("Received " + doublevalues + " double URLs from peer " + otherPeerName);
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result = "ok";
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} else {
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sb.getLog().logInfo("Rejecting URLs from peer " + otherPeerName + ". Not granted.");
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result = "error_not_granted";
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}
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prop.put("double", doublevalues);
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prop.put("result", result);
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return prop;
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}
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}
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