org/sonews/daemon/command/XDaemonCommand.java
changeset 1 6fceb66e1ad7
child 3 2fdc9cc89502
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/org/sonews/daemon/command/XDaemonCommand.java	Fri Jun 26 16:48:50 2009 +0200
     1.3 @@ -0,0 +1,237 @@
     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.daemon.command;
    1.23 +
    1.24 +import java.io.IOException;
    1.25 +import java.net.InetSocketAddress;
    1.26 +import java.sql.SQLException;
    1.27 +import java.util.List;
    1.28 +import org.sonews.daemon.BootstrapConfig;
    1.29 +import org.sonews.daemon.Config;
    1.30 +import org.sonews.daemon.NNTPConnection;
    1.31 +import org.sonews.daemon.storage.Database;
    1.32 +import org.sonews.daemon.storage.Group;
    1.33 +import org.sonews.feed.FeedManager;
    1.34 +import org.sonews.feed.Subscription;
    1.35 +import org.sonews.util.Stats;
    1.36 +
    1.37 +/**
    1.38 + * The XDAEMON command allows a client to get/set properties of the
    1.39 + * running server daemon. Only locally connected clients are allowed to
    1.40 + * use this command.
    1.41 + * The restriction to localhost connection can be suppressed by overriding
    1.42 + * the sonews.xdaemon.host bootstrap config property.
    1.43 + * @author Christian Lins
    1.44 + * @since sonews/0.5.0
    1.45 + */
    1.46 +public class XDaemonCommand extends AbstractCommand
    1.47 +{
    1.48 +  
    1.49 +  public XDaemonCommand(NNTPConnection conn)
    1.50 +  {
    1.51 +    super(conn);
    1.52 +  }
    1.53 +
    1.54 +  @Override
    1.55 +  public boolean hasFinished()
    1.56 +  {
    1.57 +    return true;
    1.58 +  }
    1.59 +
    1.60 +  // TODO: Refactor this method to reduce complexity!
    1.61 +  @Override
    1.62 +  public void processLine(String line) throws IOException, SQLException
    1.63 +  {
    1.64 +    InetSocketAddress addr = (InetSocketAddress)connection.getChannel().socket()
    1.65 +      .getRemoteSocketAddress();
    1.66 +    if(addr.getHostName().equals(
    1.67 +      BootstrapConfig.getInstance().get(BootstrapConfig.XDAEMON_HOST, "localhost")))
    1.68 +    {
    1.69 +      String[] commands = line.split(" ", 4);
    1.70 +      if(commands.length == 3 && commands[1].equalsIgnoreCase("LIST"))
    1.71 +      {
    1.72 +        if(commands[2].equalsIgnoreCase("CONFIGKEYS"))
    1.73 +        {
    1.74 +          printStatus(200, "list of available config keys follows");
    1.75 +          for(String key : Config.AVAILABLE_KEYS)
    1.76 +          {
    1.77 +            println(key);
    1.78 +          }
    1.79 +          println(".");
    1.80 +        }
    1.81 +        else if(commands[2].equalsIgnoreCase("PEERINGRULES"))
    1.82 +        {
    1.83 +          List<Subscription> pull = 
    1.84 +            Database.getInstance().getSubscriptions(FeedManager.TYPE_PULL);
    1.85 +          List<Subscription> push =
    1.86 +            Database.getInstance().getSubscriptions(FeedManager.TYPE_PUSH);
    1.87 +          printStatus(200,"list of peering rules follows");
    1.88 +          for(Subscription sub : pull)
    1.89 +          {
    1.90 +            println("PULL " + sub.getHost() + ":" + sub.getPort() 
    1.91 +              + " " + sub.getGroup());
    1.92 +          }
    1.93 +          for(Subscription sub : push)
    1.94 +          {
    1.95 +            println("PUSH " + sub.getHost() + ":" + sub.getPort() 
    1.96 +              + " " + sub.getGroup());
    1.97 +          }
    1.98 +          println(".");
    1.99 +        }
   1.100 +        else
   1.101 +        {
   1.102 +          printStatus(501, "unknown sub command");
   1.103 +        }
   1.104 +      }
   1.105 +      else if(commands.length == 3 && commands[1].equalsIgnoreCase("DELETE"))
   1.106 +      {
   1.107 +        Database.getInstance().delete(commands[2]);
   1.108 +        printStatus(200, "article " + commands[2] + " deleted");
   1.109 +      }
   1.110 +      else if(commands.length == 4 && commands[1].equalsIgnoreCase("GROUPADD"))
   1.111 +      {
   1.112 +        Database.getInstance().addGroup(commands[2], Integer.parseInt(commands[3]));
   1.113 +        printStatus(200, "group " + commands[2] + " created");
   1.114 +      }
   1.115 +      else if(commands.length == 3 && commands[1].equalsIgnoreCase("GROUPDEL"))
   1.116 +      {
   1.117 +        Group group = Database.getInstance().getGroup(commands[2]);
   1.118 +        if(group == null)
   1.119 +        {
   1.120 +          printStatus(400, "group not found");
   1.121 +        }
   1.122 +        else
   1.123 +        {
   1.124 +          group.setFlag(Group.DELETED);
   1.125 +          printStatus(200, "group " + commands[2] + " marked as deleted");
   1.126 +        }
   1.127 +      }
   1.128 +      else if(commands.length == 4 && commands[1].equalsIgnoreCase("SET"))
   1.129 +      {
   1.130 +        String key = commands[2];
   1.131 +        String val = commands[3];
   1.132 +        Config.getInstance().set(key, val);
   1.133 +        printStatus(200, "new config value set");
   1.134 +      }
   1.135 +      else if(commands.length == 3 && commands[1].equalsIgnoreCase("GET"))
   1.136 +      {
   1.137 +        String key = commands[2];
   1.138 +        String val = Config.getInstance().get(key, null);
   1.139 +        if(val != null)
   1.140 +        {
   1.141 +          printStatus(200, "config value for " + key + " follows");
   1.142 +          println(val);
   1.143 +          println(".");
   1.144 +        }
   1.145 +        else
   1.146 +        {
   1.147 +          printStatus(400, "config value not set");
   1.148 +        }
   1.149 +      }
   1.150 +      else if(commands.length >= 3 && commands[1].equalsIgnoreCase("LOG"))
   1.151 +      {
   1.152 +        Group group = null;
   1.153 +        if(commands.length > 3)
   1.154 +        {
   1.155 +          group = Group.getByName(commands[3]);
   1.156 +        }
   1.157 +
   1.158 +        if(commands[2].equalsIgnoreCase("CONNECTED_CLIENTS"))
   1.159 +        {
   1.160 +          printStatus(200, "number of connections follow");
   1.161 +          println(Integer.toString(Stats.getInstance().connectedClients()));
   1.162 +          println(".");
   1.163 +        }
   1.164 +        else if(commands[2].equalsIgnoreCase("POSTED_NEWS"))
   1.165 +        {
   1.166 +          printStatus(200, "hourly numbers of posted news yesterday");
   1.167 +          for(int n = 0; n < 24; n++)
   1.168 +          {
   1.169 +            println(n + " " + Stats.getInstance()
   1.170 +              .getYesterdaysEvents(Stats.POSTED_NEWS, n, group));
   1.171 +          }
   1.172 +          println(".");
   1.173 +        }
   1.174 +        else if(commands[2].equalsIgnoreCase("GATEWAYED_NEWS"))
   1.175 +        {
   1.176 +          printStatus(200, "hourly numbers of gatewayed news yesterday");
   1.177 +          for(int n = 0; n < 24; n++)
   1.178 +          {
   1.179 +            println(n + " " + Stats.getInstance()
   1.180 +              .getYesterdaysEvents(Stats.GATEWAYED_NEWS, n, group));
   1.181 +          }
   1.182 +          println(".");
   1.183 +        }
   1.184 +        else if(commands[2].equalsIgnoreCase("TRANSMITTED_NEWS"))
   1.185 +        {
   1.186 +          printStatus(200, "hourly numbers of news transmitted to peers yesterday");
   1.187 +          for(int n = 0; n < 24; n++)
   1.188 +          {
   1.189 +            println(n + " " + Stats.getInstance()
   1.190 +              .getYesterdaysEvents(Stats.FEEDED_NEWS, n, group));
   1.191 +          }
   1.192 +          println(".");
   1.193 +        }
   1.194 +        else if(commands[2].equalsIgnoreCase("HOSTED_NEWS"))
   1.195 +        {
   1.196 +          printStatus(200, "number of overall hosted news");
   1.197 +          println(Integer.toString(Stats.getInstance().getNumberOfNews()));
   1.198 +          println(".");
   1.199 +        }
   1.200 +        else if(commands[2].equalsIgnoreCase("HOSTED_GROUPS"))
   1.201 +        {
   1.202 +          printStatus(200, "number of hosted groups");
   1.203 +          println(Integer.toString(Stats.getInstance().getNumberOfGroups()));
   1.204 +          println(".");
   1.205 +        }
   1.206 +        else if(commands[2].equalsIgnoreCase("POSTED_NEWS_PER_HOUR"))
   1.207 +        {
   1.208 +          printStatus(200, "posted news per hour");
   1.209 +          println(Double.toString(Stats.getInstance().postedPerHour(-1)));
   1.210 +          println(".");
   1.211 +        }
   1.212 +        else if(commands[2].equalsIgnoreCase("FEEDED_NEWS_PER_HOUR"))
   1.213 +        {
   1.214 +          printStatus(200, "feeded news per hour");
   1.215 +          println(Double.toString(Stats.getInstance().feededPerHour(-1)));
   1.216 +          println(".");
   1.217 +        }
   1.218 +        else if(commands[2].equalsIgnoreCase("GATEWAYED_NEWS_PER_HOUR"))
   1.219 +        {
   1.220 +          printStatus(200, "gatewayed news per hour");
   1.221 +          println(Double.toString(Stats.getInstance().gatewayedPerHour(-1)));
   1.222 +          println(".");
   1.223 +        }
   1.224 +        else
   1.225 +        {
   1.226 +          printStatus(501, "unknown sub command");
   1.227 +        }
   1.228 +      }
   1.229 +      else
   1.230 +      {
   1.231 +        printStatus(500, "invalid command usage");
   1.232 +      }
   1.233 +    }
   1.234 +    else
   1.235 +    {
   1.236 +      printStatus(500, "not allowed");
   1.237 +    }
   1.238 +  }
   1.239 +  
   1.240 +}