1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/org/sonews/web/SonewsPeerServlet.java Fri Jun 26 16:48:50 2009 +0200
1.3 @@ -0,0 +1,95 @@
1.4 +/*
1.5 + * SONEWS News Server
1.6 + * see AUTHORS for the list of contributors
1.7 + *
1.8 + * This program is free software: you can redistribute it and/or modify
1.9 + * it under the terms of the GNU General Public License as published by
1.10 + * the Free Software Foundation, either version 3 of the License, or
1.11 + * (at your option) any later version.
1.12 + *
1.13 + * This program is distributed in the hope that it will be useful,
1.14 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.15 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.16 + * GNU General Public License for more details.
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License
1.19 + * along with this program. If not, see <http://www.gnu.org/licenses/>.
1.20 + */
1.21 +
1.22 +package org.sonews.web;
1.23 +
1.24 +import java.io.IOException;
1.25 +import java.util.HashSet;
1.26 +import javax.servlet.http.HttpServletRequest;
1.27 +import javax.servlet.http.HttpServletResponse;
1.28 +import org.sonews.util.StringTemplate;
1.29 +
1.30 +/**
1.31 + * Servlet that shows the Peers and the Peering Rules.
1.32 + * @author Christian Lins
1.33 + * @since sonews/0.5.0
1.34 + */
1.35 +public class SonewsPeerServlet extends AbstractSonewsServlet
1.36 +{
1.37 +
1.38 + private static final long serialVersionUID = 245345346356L;
1.39 +
1.40 + @Override
1.41 + public void doGet(HttpServletRequest req, HttpServletResponse resp)
1.42 + throws IOException
1.43 + {
1.44 + synchronized(this)
1.45 + {
1.46 + connectToNewsserver();
1.47 + StringTemplate tmpl = getTemplate("SonewsPeerServlet.tmpl");
1.48 +
1.49 + // Read peering rules from newsserver
1.50 + printlnToNewsserver("XDAEMON LIST PEERINGRULES");
1.51 + String line = readlnFromNewsserver();
1.52 + if(!line.startsWith("200 "))
1.53 + {
1.54 + throw new IOException("Unexpected reply: " + line);
1.55 + }
1.56 +
1.57 + // Create FEED_RULES String
1.58 + HashSet<String> peers = new HashSet<String>();
1.59 + StringBuilder feedRulesStr = new StringBuilder();
1.60 + for(;;)
1.61 + {
1.62 + line = readlnFromNewsserver();
1.63 + if(line.equals("."))
1.64 + {
1.65 + break;
1.66 + }
1.67 + else
1.68 + {
1.69 + feedRulesStr.append(line);
1.70 + feedRulesStr.append("<br/>");
1.71 +
1.72 + String[] lineChunks = line.split(" ");
1.73 + peers.add(lineChunks[1]);
1.74 + }
1.75 + }
1.76 +
1.77 + // Create PEERS string
1.78 + StringBuilder peersStr = new StringBuilder();
1.79 + for(String peer : peers)
1.80 + {
1.81 + peersStr.append(peer);
1.82 + peersStr.append("<br/>");
1.83 + }
1.84 +
1.85 + // Set server name
1.86 + tmpl.set("PEERS", peersStr.toString());
1.87 + tmpl.set("PEERING_RULES", feedRulesStr.toString());
1.88 + tmpl.set("SERVERNAME", hello.split(" ")[2]);
1.89 + tmpl.set("TITLE", "Peers");
1.90 +
1.91 + resp.getWriter().println(tmpl.toString());
1.92 + resp.getWriter().flush();
1.93 + resp.setStatus(HttpServletResponse.SC_OK);
1.94 + disconnectFromNewsserver();
1.95 + }
1.96 + }
1.97 +
1.98 +}