Rename projects.

– jsonrpc → same
– master → same-android

14 files changed, 0 insertions, 790 deletions

diff --git a/jsonrpc/src/main/java/com/orbekk/net/BroadcastListener.java b/jsonrpc/src/main/java/com/orbekk/net/BroadcastListener.java
deleted file mode 100644
index c0b66e0..0000000
--- a/jsonrpc/src/main/java/com/orbekk/net/BroadcastListener.java
+++ /dev/null
@@ -1,53 +0,0 @@
-package com.orbekk.net;
-
-import java.io.IOException;
-import java.net.DatagramPacket;
-import java.net.DatagramSocket;
-import java.net.SocketException;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class BroadcastListener {
-    private int port;
-    private Logger logger = LoggerFactory.getLogger(getClass());
-    
-    public BroadcastListener(int port) {
-        this.port = port;
-    }
-    
-    public DatagramPacket listen() {
-        logger.debug("Waiting for broadcast on port " + port);
-        DatagramSocket socket;
-        try {
-            socket = new DatagramSocket(port);
-        } catch (SocketException e) {
-            logger.warn("Failed to create socket.", e.fillInStackTrace());
-            return null;
-        }
-        try {
-            socket.setBroadcast(true);
-        } catch (SocketException e) {
-            logger.warn("Exception: {}", e);
-        }
-        byte[] buffer = new byte[2048];
-        DatagramPacket packet = new DatagramPacket(buffer, buffer.length);
-        try {
-            socket.receive(packet);
-        } catch (IOException e) {
-            logger.warn("Exception when listening for broadcast: {}", e);
-            return null;
-        }
-        
-        String address = packet.getAddress().getHostAddress();
-        logger.debug("Received broadcast from " + address +
-                ": " + new String(packet.getData()));
-        return packet;
-    }
-    
-    public static void main(String[] args) {
-        int port = Integer.parseInt(args[0]);
-        BroadcastListener listener = new BroadcastListener(port);
-        System.out.println("Received broadcast: " + listener.listen());
-    }
-}
diff --git a/jsonrpc/src/main/java/com/orbekk/net/Broadcaster.java b/jsonrpc/src/main/java/com/orbekk/net/Broadcaster.java
deleted file mode 100644
index 95e279c..0000000
--- a/jsonrpc/src/main/java/com/orbekk/net/Broadcaster.java
+++ /dev/null
@@ -1,77 +0,0 @@
-package com.orbekk.net;
-
-import java.io.IOException;
-import java.net.DatagramPacket;
-import java.net.DatagramSocket;
-import java.net.InetAddress;
-import java.net.InterfaceAddress;
-import java.net.NetworkInterface;
-import java.net.SocketException;
-import java.util.Enumeration;
-import java.util.LinkedList;
-import java.util.List;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-
-public class Broadcaster {
-    private Logger logger = LoggerFactory.getLogger(getClass());
-    
-    public List<InetAddress> getBroadcastAddresses() {
-        List<InetAddress> broadcastAddresses = new LinkedList<InetAddress>();
-        
-        Enumeration<NetworkInterface> interfaces;
-        try {
-            interfaces = NetworkInterface.getNetworkInterfaces();
-        } catch (SocketException e) {
-            logger.warn("Network problem?", e.fillInStackTrace());
-            return broadcastAddresses;
-        }
-        while (interfaces.hasMoreElements()) {
-            NetworkInterface iface = interfaces.nextElement();
-            try {
-                if (iface.isLoopback()) {
-                    logger.debug("Ignoring looback device " + iface.getName());
-                    continue;
-                }
-                for (InterfaceAddress address : iface.getInterfaceAddresses()) {
-                    InetAddress broadcast = address.getBroadcast();
-                    if (broadcast != null) {
-                        broadcastAddresses.add(broadcast);
-                    }
-                }
-            } catch (SocketException e) {
-                logger.info("Ignoring interface " + iface.getName(), e.fillInStackTrace());
-            }
-        }
-        return broadcastAddresses;
-    }
-
-    public boolean sendBroadcast(int port, byte[] data) {
-        boolean successful = false;
-        for (InetAddress broadcastAddress : getBroadcastAddresses()) {
-            try {
-                DatagramSocket socket = new DatagramSocket();
-                socket.setBroadcast(true);
-                DatagramPacket packet = new DatagramPacket(data, data.length, broadcastAddress, port);
-                socket.send(packet);
-                successful = true;
-            } catch (SocketException e) {
-                logger.warn("Failed to send broadcast to " + broadcastAddress +
-                        ". ", e.fillInStackTrace());
-            } catch (IOException e) {
-                logger.warn("Error when sending broadcast to " +
-                        broadcastAddress + ".", e.fillInStackTrace());
-            }
-        }
-        return successful;
-    }
-    
-    public static void main(String[] args) {
-        int port = Integer.parseInt(args[0]);
-        Broadcaster broadcaster = new Broadcaster();
-        String message = "Broadcast from Java broadcaster.";
-        broadcaster.sendBroadcast(port, message.getBytes());
-    }
-}
diff --git a/jsonrpc/src/main/java/com/orbekk/net/HttpUtil.java b/jsonrpc/src/main/java/com/orbekk/net/HttpUtil.java
deleted file mode 100644
index b4bb887..0000000
--- a/jsonrpc/src/main/java/com/orbekk/net/HttpUtil.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package com.orbekk.net;
-
-import java.io.IOException;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.net.URLConnection;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class HttpUtil {
-    private static final Logger logger =
-            LoggerFactory.getLogger(HttpUtil.class);
-
-    public static void sendHttpRequest(String url) {
-        try {
-            URL pingUrl = new URL(url);
-            pingUrl.openStream();
-            // URLConnection connection = pingUrl.openConnection();
-            // connection.connect();
-        } catch (MalformedURLException e) {
-            logger.warn("Unable to send ping to {}: {}.", url, e);
-        } catch (IOException e) {
-            logger.warn("Error when sending ping: {}", e);
-        }
-    }
-}
diff --git a/jsonrpc/src/main/java/com/orbekk/rpc/App.java b/jsonrpc/src/main/java/com/orbekk/rpc/App.java
deleted file mode 100644
index 0e9dce3..0000000
--- a/jsonrpc/src/main/java/com/orbekk/rpc/App.java
+++ /dev/null
@@ -1,47 +0,0 @@
-package com.orbekk.rpc;
-
-import com.googlecode.jsonrpc4j.JsonRpcServer;
-import com.orbekk.same.ConnectionManagerImpl;
-import com.orbekk.same.SameState;
-import com.orbekk.same.SameService;
-import com.orbekk.same.SameServiceImpl;
-import org.eclipse.jetty.server.Server;
-
-public class App {
-    public static void main(String[] args) {
-        if (args.length < 3) {
-            System.err.println("Arguments: port networkName clientId");
-            System.exit(1);
-        }
-        int port = Integer.parseInt(args[0]);
-        String networkName = args[1];
-        String clientId = args[2];
-
-        ConnectionManagerImpl connections = new ConnectionManagerImpl();
-
-        SameState sameState = new SameState(networkName, clientId,
-                connections);
-        sameState.start();
-
-        SameServiceImpl service = new SameServiceImpl(sameState);
-        JsonRpcServer jsonServer = new JsonRpcServer(service,
-                SameService.class);   
-    
-        Server server = new Server(port);
-        RpcHandler rpcHandler = new RpcHandler(jsonServer, sameState);
-        server.setHandler(rpcHandler);
-
-        try {
-            server.start();
-        } catch (Exception e) {
-            System.out.println("Could not start jetty server.");
-            e.printStackTrace();
-        }
-        
-        try {
-            server.join();
-        } catch (InterruptedException e) {
-            System.out.println("Interrupt");
-        }
-    }
-}
diff --git a/jsonrpc/src/main/java/com/orbekk/rpc/Client.java b/jsonrpc/src/main/java/com/orbekk/rpc/Client.java
deleted file mode 100644
index 225347a..0000000
--- a/jsonrpc/src/main/java/com/orbekk/rpc/Client.java
+++ /dev/null
@@ -1,66 +0,0 @@
-package com.orbekk.rpc;
-
-import com.googlecode.jsonrpc4j.JsonRpcServer;
-import com.orbekk.same.ConnectionManagerImpl;
-import com.orbekk.same.SameState;
-import com.orbekk.same.SameService;
-import com.orbekk.same.SameServiceImpl;
-import com.orbekk.net.HttpUtil;
-import org.eclipse.jetty.server.Server;
-
-public class Client {
-    
-    public static void main(String[] args) {
-        if (args.length < 4) {
-            System.err.println("Arguments: port clientId thisNetworkName " +
-                    "remoteNetworkAddr");
-            System.exit(1);
-        }
-        int port = Integer.parseInt(args[0]);
-        String clientId = args[1];
-        String networkName = args[2];
-        String remoteAddr = args[3];
-
-        ConnectionManagerImpl connections = new ConnectionManagerImpl();
-
-        SameState sameState = new SameState(networkName, clientId,
-                connections);
-        sameState.start();
-
-        SameServiceImpl service = new SameServiceImpl(sameState);
-        JsonRpcServer jsonServer = new JsonRpcServer(service,
-                SameService.class);   
-    
-        Server server = new Server(port);
-        RpcHandler rpcHandler = new RpcHandler(jsonServer, sameState);
-        server.setHandler(rpcHandler);
-
-        try {
-            server.start();
-        } catch (Exception e) {
-            System.out.println("Could not start jetty server.");
-            e.printStackTrace();
-        }
-
-        while (sameState.getUrl() == null) {
-            HttpUtil.sendHttpRequest(remoteAddr + "ping?port=" + port);
-            try {
-                Thread.sleep(500);
-            } catch (InterruptedException e) {
-                // Ignore interrupt in wait loop.
-            }
-        }
-        
-        SameService remoteService = connections.getConnection(remoteAddr);
-        remoteService.notifyNetwork("NoNetwork");
-        remoteService.participateNetwork("FirstNetwork",
-                sameState.getClientId(), sameState.getUrl());
-
-        try {
-            server.join();
-        } catch (InterruptedException e) {
-            System.out.println("Interrupt");
-        }
-
-    }
-}
diff --git a/jsonrpc/src/main/java/com/orbekk/rpc/RpcHandler.java b/jsonrpc/src/main/java/com/orbekk/rpc/RpcHandler.java
deleted file mode 100644
index 0bafad4..0000000
--- a/jsonrpc/src/main/java/com/orbekk/rpc/RpcHandler.java
+++ /dev/null
@@ -1,52 +0,0 @@
-package com.orbekk.rpc;
-
-import com.googlecode.jsonrpc4j.JsonRpcServer;
-import com.orbekk.net.HttpUtil;
-import com.orbekk.same.UrlReceiver;
-import java.io.IOException;
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import org.eclipse.jetty.server.Request;
-import org.eclipse.jetty.server.handler.AbstractHandler;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class RpcHandler extends AbstractHandler {
-    private Logger logger = LoggerFactory.getLogger(getClass());
-    private JsonRpcServer rpcServer;
-    private UrlReceiver urlReceiver;
-    
-    public RpcHandler(JsonRpcServer rpcServer,
-            UrlReceiver urlReceiver) {
-        this.rpcServer = rpcServer;
-        this.urlReceiver = urlReceiver;
-    }
-    
-    @Override
-    public synchronized void handle(String target, Request baseRequest,
-            HttpServletRequest request, HttpServletResponse response)
-            throws IOException, ServletException {
-        logger.info("Handling request to target: " + target);
-
-        if (urlReceiver != null) {
-            String sameServiceUrl = "http://" + request.getLocalAddr() + 
-                ":" + request.getLocalPort() + "/SameService.json";
-            urlReceiver.setUrl(sameServiceUrl);
-            urlReceiver = null;
-        }
-
-        if (target.equals("/ping")) {
-            int remotePort = Integer.parseInt(request.getParameter("port"));
-            String pongUrl = "http://" + request.getRemoteAddr() + ":" +
-                remotePort + "/pong";
-            logger.info("Got ping. Sending pong to {}", pongUrl);
-            HttpUtil.sendHttpRequest(pongUrl);
-        } else if (target.equals("/pong")) {
-            logger.info("Received pong from {}", request.getRemoteAddr());
-        } else {
-            rpcServer.handle(request, response);
-        }
-        baseRequest.setHandled(true);
-    }
-}
diff --git a/jsonrpc/src/main/java/com/orbekk/same/ConnectionManager.java b/jsonrpc/src/main/java/com/orbekk/same/ConnectionManager.java
deleted file mode 100644
index 985f6f0..0000000
--- a/jsonrpc/src/main/java/com/orbekk/same/ConnectionManager.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package com.orbekk.same;
-
-/**
- * An interface that returns a connection for a participant.
- *
- * When testing, this interface can be mocked to use local participants only.
- */
-public interface ConnectionManager {
-    SameService getConnection(String url);
-}
diff --git a/jsonrpc/src/main/java/com/orbekk/same/ConnectionManagerImpl.java b/jsonrpc/src/main/java/com/orbekk/same/ConnectionManagerImpl.java
deleted file mode 100644
index 841d5fa..0000000
--- a/jsonrpc/src/main/java/com/orbekk/same/ConnectionManagerImpl.java
+++ /dev/null
@@ -1,31 +0,0 @@
-package com.orbekk.same;
-
-import com.googlecode.jsonrpc4j.JsonRpcHttpClient;
-import com.googlecode.jsonrpc4j.ProxyUtil;
-import java.net.MalformedURLException;
-import java.net.URL;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class ConnectionManagerImpl implements ConnectionManager {
-
-    private Logger logger = LoggerFactory.getLogger(getClass());
-
-    public ConnectionManagerImpl() {
-    }
-
-    @Override
-    public SameService getConnection(String url) {
-        SameService service = null;
-        try {
-            JsonRpcHttpClient client = new JsonRpcHttpClient(new URL(url));
-            service = ProxyUtil.createProxy(
-                    this.getClass().getClassLoader(),
-                    SameService.class,
-                    client);
-        } catch (MalformedURLException e) {
-            logger.warn("Unable to create client for {}, {}", url, e);
-        }
-        return service;
-    }
-}
diff --git a/jsonrpc/src/main/java/com/orbekk/same/SameService.java b/jsonrpc/src/main/java/com/orbekk/same/SameService.java
deleted file mode 100644
index 8f239da..0000000
--- a/jsonrpc/src/main/java/com/orbekk/same/SameService.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package com.orbekk.same;
-
-import java.util.Map;
-
-public interface SameService {
-    /**
-     * A notification that 'networkName' exists.
-     *
-     * This is called by any participant of a network after a broadcast
-     * has been performed.
-     */
-    void notifyNetwork(String networkName);
-
-    /**
-     * A request from the callee to participate in 'networkName'.
-     */
-    void participateNetwork(String networkName, String clientId, String url);
-
-    /**
-     * Notification of participation in network.
-     */
-    void notifyParticipation(String networkName, String masterId);
-
-    /**
-     * New state.
-     * 
-     * When sent to a non-master from the master, use 'newState' as the
-     * current state.
-     *
-     * When sent to a master, broadcast the new state to all clients.
-     */
-    void setState(String newState);
-
-    /**
-     * Notify all nodes of network participants.
-     *
-     * Only sent from master to non-master.
-     */
-    void setParticipants(Map<String, String> participants);
-}
diff --git a/jsonrpc/src/main/java/com/orbekk/same/SameServiceImpl.java b/jsonrpc/src/main/java/com/orbekk/same/SameServiceImpl.java
deleted file mode 100644
index 27579b5..0000000
--- a/jsonrpc/src/main/java/com/orbekk/same/SameServiceImpl.java
+++ /dev/null
@@ -1,60 +0,0 @@
-package com.orbekk.same;
-
-import java.util.Map;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class SameServiceImpl implements SameService {
-    private Logger logger = LoggerFactory.getLogger(getClass());
-    private SameState sameState;
-
-    public SameServiceImpl(SameState sameState) {
-        this.sameState = sameState;
-    }
-
-    @Override
-    public void notifyNetwork(String networkName) {
-        logger.info("Notification from network " + networkName);
-    }
-
-    @Override
-    public void participateNetwork(String networkName, String clientId,
-            String url) {
-        if (!networkName.equals(sameState.getNetworkName())) {
-            logger.warn("Client tried to join {}, but network name is {}.",
-                    networkName, sameState.getNetworkName());
-            return;
-        }
-        if (clientId.equals("") || url.equals("")) {
-            logger.warn("Missing client info: ClientId({}), URL({}).",
-                    clientId, url);
-            return;
-        }
-        sameState.addParticipant(clientId, url);
-    }
-
-    @Override
-    public void notifyParticipation(String networkName, String masterId) {
-        logger.info("Joining network {}. Master is {}", networkName, masterId);
-        // int i = 1;
-        // for (Map.Entry<String, String> e : participants.entrySet()) {
-        //     String clientId = e.getKey();
-        //     String url = e.getValue();
-        //     logger.info("  {} participant {}: {}, {}",
-        //             new Object[]{networkName, i, clientId, url});
-        //     i++;
-        // }
-        sameState.joinNetwork(networkName, masterId);
-    }
-
-    @Override
-    public void setParticipants(Map<String, String> participants) {
-        sameState.setParticipants(participants);
-    }
-
-    @Override
-    public void setState(String newState) {
-        sameState.setState(newState);
-    }
-}
diff --git a/jsonrpc/src/main/java/com/orbekk/same/SameState.java b/jsonrpc/src/main/java/com/orbekk/same/SameState.java
deleted file mode 100644
index c9cd216..0000000
--- a/jsonrpc/src/main/java/com/orbekk/same/SameState.java
+++ /dev/null
@@ -1,233 +0,0 @@
-package com.orbekk.same;
-
-import java.util.List;
-import java.util.LinkedList;
-import java.util.Map;
-import java.util.HashMap;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * The implementation of a 'Same' state.
- *
- * This class manages the current state of the Same protocol.
- */
-public class SameState extends Thread implements UrlReceiver {
-    private Logger logger = LoggerFactory.getLogger(getClass());
-    private ConnectionManager connections;
-
-    // TODO: Change the name of State.
-    private com.orbekk.same.State state =
-            new com.orbekk.same.State();
-
-    /**
-     * The client id of this participant.
-     */
-    private String clientId;
-
-    /**
-     * Stopping condition for this thread.
-     */
-    private boolean stopped = false;
-
-    private String _setState = null;
-    private Map<String, String> _setParticipants = null;
-
-    private Map<String, String> pendingParticipants =
-            new HashMap<String, String>();
-
-    public SameState(String networkName, String clientId,
-            ConnectionManager connections) {
-        state.setNetworkName(networkName);
-        this.clientId = clientId;
-        this.connections = connections;
-        state.setMasterId(clientId);
-        state.getParticipants().put(clientId, null);
-    }
-
-    public String getMasterId() {
-        return state.getMasterId();
-    }
-
-    public synchronized Map<String, String> getParticipants() {
-        return state.getParticipants();
-    }
-
-    /**
-     * Reset this SameService to an initial state.
-     *
-     * TODO: Implement fully.
-     */
-    private synchronized void resetState() {
-        state = new com.orbekk.same.State();
-        pendingParticipants.clear();
-    }
-
-    public synchronized void joinNetwork(String networkName, String masterId) {
-        resetState();
-        state.setNetworkName(networkName);
-        state.setMasterId(masterId);
-        logger.info("Joined network {}.", networkName);
-    }
-
-    public String getClientId() {
-        return clientId;
-    }
-
-    public String getNetworkName() {
-        return state.getNetworkName();
-    }
-
-    public String getCurrentState() {
-        return state.getData();
-    }
-
-    /**
-     * TODO: Move to a separate library.
-     */
-    public void librarySetNewState(String newState) {
-        connections.getConnection(
-                state.getParticipants().get(state.getMasterId()))
-                .setState(newState);
-    }
-
-    public String getUrl() {
-        return state.getParticipants().get(clientId);
-    }
-
-    @Override
-    public void setUrl(String url) {
-        logger.info("My URL is {}", url);
-        state.getParticipants().put(clientId, url);
-    }
-
-    public synchronized void addParticipant(String clientId, String url) {
-        logger.info("PendingParticipant.add: {} ({})", clientId, url);
-        pendingParticipants.put(clientId, url);
-        notifyAll();
-    }
-
-    public synchronized void setParticipants(Map<String, String> participants) {
-        logger.info("Pending operation: _setParticipants");
-        _setParticipants = participants;
-        notifyAll();
-    }
-
-    public synchronized void setState(String newState) {
-        logger.info("Pending operation: _setState");
-        _setState = newState;
-        notifyAll();
-    }
-
-    private synchronized void handleSetParticipants() {
-        if (_setParticipants != null) {
-            if (isMaster()) {
-                logger.error("{}: Master received setParticipants.", clientId);
-            } else {
-                logger.info("{}: New participants committed.", clientId);
-                state.getParticipants().clear();
-                state.getParticipants().putAll(_setParticipants);
-            }
-        }
-        _setParticipants = null;
-    }
-
-    public synchronized void handleSetState() {
-        if (_setState != null) {
-            if (isMaster()) {
-                broadcast(new ServiceOperation() {
-                    @Override void run(SameService service) {
-                        service.setState(_setState);
-                    }
-                });
-            }
-            state.setData(_setState);
-            _setState = null;
-        }
-    }
-
-    private boolean isMaster() {
-        return state.getMasterId().equals(clientId);
-    }
-
-    private synchronized void handleNewParticipants() {
-        if (!isMaster()) {
-            for (Map.Entry<String, String> e : pendingParticipants.entrySet()) {
-                SameService master = connections.getConnection(
-                        state.getParticipants().get(state.getMasterId()));
-                logger.info("Redirecting participant request to {}",
-                        state.getMasterId());
-                String clientId = e.getKey();
-                String url = e.getValue();
-                master.participateNetwork(state.getNetworkName(), clientId,
-                        url);
-            }
-        } else {
-            state.getParticipants().putAll(pendingParticipants);
-            for (Map.Entry<String, String> e :
-                    pendingParticipants.entrySet()) {
-                String clientId = e.getKey();
-                String url = e.getValue();
-                logger.info("New participant: {} URL({})", clientId, url);
-                SameService remoteService = connections.getConnection(url);
-                remoteService.notifyParticipation(state.getNetworkName(),
-                        state.getMasterId());
-                broadcast(new ServiceOperation(){
-                    @Override void run(SameService service) {
-                        service.setParticipants(state.getParticipants());
-                    }
-                });
-            }
-        }
-        pendingParticipants.clear();
-    }
-
-    /**
-     * This method runs the pending commands to SameState.
-     *
-     * It should be called by the worker thread, but can be called directly
-     * for testing purposes to avoid threading in unit tests.
-     */
-    synchronized void internalRun() {
-        handleNewParticipants();
-        handleSetState();
-        handleSetParticipants();
-    }
-
-    public synchronized void run() {
-        while (!stopped) {
-            internalRun();
-            try {
-                wait(1000);
-            } catch (InterruptedException e) {
-                // Ignore interrupt in wait loop.
-            }
-        }
-    }
-
-    public synchronized void stopSame() {
-        try {
-            stopped = true;
-            notifyAll();
-            this.join();
-        } catch (InterruptedException e) {
-            logger.warn("Got InterruptedException while waiting for SameState " +
-                    "to finish. Ignoring.");
-        }
-    }
-
-    public abstract static class ServiceOperation {
-        abstract void run(SameService service);
-    }
-    
-    public synchronized void broadcast(ServiceOperation operation) {
-        for (Map.Entry<String, String> e :
-                state.getParticipants().entrySet()) {
-            String clientId = e.getKey();
-            String url = e.getValue();
-            if (!clientId.equals(this.clientId)) {
-                operation.run(connections.getConnection(url));
-            }
-        }
-    }
-}
diff --git a/jsonrpc/src/main/java/com/orbekk/same/State.java b/jsonrpc/src/main/java/com/orbekk/same/State.java
deleted file mode 100644
index 70ffa83..0000000
--- a/jsonrpc/src/main/java/com/orbekk/same/State.java
+++ /dev/null
@@ -1,78 +0,0 @@
-package com.orbekk.same;
-
-import java.util.Map;
-import java.util.HashMap;
-
-public class State {
-    private long stateIteration = 0;
-    private Map<String, String> participants = new HashMap<String, String>();
-    private String networkName = "";
-    private String masterId = "";
-    private String data = "";
-
-    public long getStateIteration() {
-        return stateIteration;
-    }
-
-    public void setStateIteration(long stateIteration) {
-        this.stateIteration = stateIteration;
-    }
-
-    public Map<String, String> getParticipants() {
-        return participants;
-    }
-
-    public String getNetworkName() {
-        return networkName;
-    }
-
-    public void setNetworkName(String networkName) {
-        this.networkName = networkName;
-    }
-
-    public String getMasterId() {
-        return masterId;
-    }
-
-    public void setMasterId(String masterId) {
-        this.masterId = masterId;
-    }
-
-    public String getData() {
-        return data;
-    }
-
-    public void setData(String data) {
-        this.data = data;
-    }
-
-    @Override
-    public String toString() {
-        StringBuilder participantsString = new StringBuilder();
-        participantsString.append("[");
-        boolean first = true;
-        for (Map.Entry<String, String> e : participants.entrySet()) {
-            if (!first) {
-                participantsString.append(", ");
-            }
-            first = false;
-            participantsString.append(e.getKey())
-                    .append("(")
-                    .append(e.getValue())
-                    .append(")");
-            String clientId = e.getKey();
-            String url = e.getValue();
-        }
-        participantsString.append("]");
-
-        return String.format(
-            "State( \n" +
-            "      stateIteration = %d,\n" +
-            "      networkName    = %s,\n" +
-            "      masterId       = %s,\n" +
-            "      data           = %s,\n" +
-            "      participants   = %s\n" +
-            ")", stateIteration, networkName, masterId, data,
-            participantsString);
-    }
-}
diff --git a/jsonrpc/src/main/java/com/orbekk/same/UrlReceiver.java b/jsonrpc/src/main/java/com/orbekk/same/UrlReceiver.java
deleted file mode 100644
index 31a0276..0000000
--- a/jsonrpc/src/main/java/com/orbekk/same/UrlReceiver.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package com.orbekk.same;
-
-/**
- * An interface to get notified of the URL to this computer.
- *
- * This interface is used to reliably obtain the URL of this host.
- */
-public interface UrlReceiver {
-    void setUrl(String url);
-}
diff --git a/jsonrpc/src/main/resources/log4j.properties b/jsonrpc/src/main/resources/log4j.properties
deleted file mode 100644
index 70f8a5f..0000000
--- a/jsonrpc/src/main/resources/log4j.properties
+++ /dev/null
@@ -1,7 +0,0 @@
-log4j.rootLogger=INFO, A1
-log4j.com.orbekk=DEBUG, A1
-
-log4j.appender.A1=org.apache.log4j.ConsoleAppender
-log4j.appender.A1.layout=org.apache.log4j.PatternLayout
-log4j.appender.A1.layout.ConversionPattern=%d{HH:mm:ss,SSS} %-5p [%c] - %m%n
-