chris@1: /*
chris@1: * SONEWS News Server
chris@1: * see AUTHORS for the list of contributors
chris@1: *
chris@1: * This program is free software: you can redistribute it and/or modify
chris@1: * it under the terms of the GNU General Public License as published by
chris@1: * the Free Software Foundation, either version 3 of the License, or
chris@1: * (at your option) any later version.
chris@1: *
chris@1: * This program is distributed in the hope that it will be useful,
chris@1: * but WITHOUT ANY WARRANTY; without even the implied warranty of
chris@1: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
chris@1: * GNU General Public License for more details.
chris@1: *
chris@1: * You should have received a copy of the GNU General Public License
chris@1: * along with this program. If not, see .
chris@1: */
chris@1:
chris@1: package org.sonews.web;
chris@1:
chris@1: import java.io.IOException;
chris@1: import java.util.HashSet;
chris@1: import javax.servlet.http.HttpServletRequest;
chris@1: import javax.servlet.http.HttpServletResponse;
chris@1: import org.sonews.util.StringTemplate;
chris@1:
chris@1: /**
chris@1: * Servlet that shows the Peers and the Peering Rules.
chris@1: * @author Christian Lins
chris@1: * @since sonews/0.5.0
chris@1: */
chris@1: public class SonewsPeerServlet extends AbstractSonewsServlet
chris@1: {
chris@1:
chris@1: private static final long serialVersionUID = 245345346356L;
chris@1:
chris@1: @Override
chris@1: public void doGet(HttpServletRequest req, HttpServletResponse resp)
chris@1: throws IOException
chris@1: {
chris@1: synchronized(this)
chris@1: {
chris@1: connectToNewsserver();
chris@1: StringTemplate tmpl = getTemplate("SonewsPeerServlet.tmpl");
chris@1:
chris@1: // Read peering rules from newsserver
chris@1: printlnToNewsserver("XDAEMON LIST PEERINGRULES");
chris@1: String line = readlnFromNewsserver();
chris@1: if(!line.startsWith("200 "))
chris@1: {
chris@1: throw new IOException("Unexpected reply: " + line);
chris@1: }
chris@1:
chris@1: // Create FEED_RULES String
chris@1: HashSet peers = new HashSet();
chris@1: StringBuilder feedRulesStr = new StringBuilder();
chris@1: for(;;)
chris@1: {
chris@1: line = readlnFromNewsserver();
chris@1: if(line.equals("."))
chris@1: {
chris@1: break;
chris@1: }
chris@1: else
chris@1: {
chris@1: feedRulesStr.append(line);
chris@1: feedRulesStr.append("
");
chris@1:
chris@1: String[] lineChunks = line.split(" ");
chris@1: peers.add(lineChunks[1]);
chris@1: }
chris@1: }
chris@1:
chris@1: // Create PEERS string
chris@1: StringBuilder peersStr = new StringBuilder();
chris@1: for(String peer : peers)
chris@1: {
chris@1: peersStr.append(peer);
chris@1: peersStr.append("
");
chris@1: }
chris@1:
chris@1: // Set server name
chris@1: tmpl.set("PEERS", peersStr.toString());
chris@1: tmpl.set("PEERING_RULES", feedRulesStr.toString());
chris@1: tmpl.set("SERVERNAME", hello.split(" ")[2]);
chris@1: tmpl.set("TITLE", "Peers");
chris@1:
chris@1: resp.getWriter().println(tmpl.toString());
chris@1: resp.getWriter().flush();
chris@1: resp.setStatus(HttpServletResponse.SC_OK);
chris@1: disconnectFromNewsserver();
chris@1: }
chris@1: }
chris@1:
chris@1: }