create callback with fixed result

[jFCPlib.git] / src / net / pterodactylus / fcp / highlevel / HighLevelClient.java

diff --git a/src/net/pterodactylus/fcp/highlevel/HighLevelClient.java b/src/net/pterodactylus/fcp/highlevel/HighLevelClient.java
index 6ab962b..14be335 100644 (file)
--- a/src/net/pterodactylus/fcp/highlevel/HighLevelClient.java
+++ b/src/net/pterodactylus/fcp/highlevel/HighLevelClient.java
@@ -22,6 +22,9 @@ package net.pterodactylus.fcp.highlevel;
 import java.io.IOException;
 import java.net.InetAddress;
 import java.net.UnknownHostException;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
 
 import net.pterodactylus.fcp.AllData;
 import net.pterodactylus.fcp.ClientHello;
@@ -36,8 +39,10 @@ import net.pterodactylus.fcp.FcpConnection;
 import net.pterodactylus.fcp.FcpListener;
 import net.pterodactylus.fcp.FcpMessage;
 import net.pterodactylus.fcp.FinishedCompression;
+import net.pterodactylus.fcp.GenerateSSK;
 import net.pterodactylus.fcp.GetFailed;
 import net.pterodactylus.fcp.IdentifierCollision;
+import net.pterodactylus.fcp.ListPeers;
 import net.pterodactylus.fcp.NodeData;
 import net.pterodactylus.fcp.NodeHello;
 import net.pterodactylus.fcp.Peer;
@@ -93,6 +98,12 @@ public class HighLevelClient {
        /** The callback for {@link #connect()}. */
        private HighLevelCallback<ConnectResult> connectCallback;
 
+       /** Mapping from request identifiers to callbacks. */
+       private Map<String, HighLevelCallback<KeyGenerationResult>> keyGenerationCallbacks = Collections.synchronizedMap(new HashMap<String, HighLevelCallback<KeyGenerationResult>>());
+
+       /** Mapping from request identifier to peer list callbacks. */
+       private Map<String, HighLevelCallback<PeerListResult>> peerListCallbacks = Collections.synchronizedMap(new HashMap<String, HighLevelCallback<PeerListResult>>());
+
        /**
         * Creates a new high-level client that connects to a node on
         * <code>localhost</code>.
@@ -174,7 +185,7 @@ public class HighLevelClient {
                fcpConnection = new FcpConnection(address, port);
                fcpConnection.addFcpListener(highLevelClientFcpListener);
                ClientHello clientHello = new ClientHello(clientName);
-               connectCallback = new HighLevelCallback<ConnectResult>();
+               connectCallback = new HighLevelCallback<ConnectResult>(new ConnectResult());
                fcpConnection.sendMessage(clientHello);
                return connectCallback;
        }
@@ -186,6 +197,49 @@ public class HighLevelClient {
        }
 
        /**
+        * Generates a new SSK keypair.
+        * 
+        * @return A callback with the keypair
+        * @throws IOException
+        *             if an I/O error occurs communicating with the node
+        */
+       public HighLevelCallback<KeyGenerationResult> generateKey() throws IOException {
+               String identifier = generateIdentifier("generateSSK");
+               GenerateSSK generateSSK = new GenerateSSK(identifier);
+               HighLevelCallback<KeyGenerationResult> keyGenerationCallback = new HighLevelCallback<KeyGenerationResult>(new KeyGenerationResult());
+               keyGenerationCallbacks.put(identifier, keyGenerationCallback);
+               fcpConnection.sendMessage(generateSSK);
+               return keyGenerationCallback;
+       }
+
+       /**
+        * Gets a list of all peers from the node.
+        * 
+        * @return A callback with the peer list
+        * @throws IOException
+        *             if an I/O error occurs with the node
+        */
+       public HighLevelCallback<PeerListResult> getPeers() throws IOException {
+               String identifier = generateIdentifier("listPeers");
+               ListPeers listPeers = new ListPeers(identifier, true, true);
+               HighLevelCallback<PeerListResult> peerListCallback = new HighLevelCallback<PeerListResult>(new PeerListResult());
+               peerListCallbacks.put(identifier, peerListCallback);
+               fcpConnection.sendMessage(listPeers);
+               return peerListCallback;
+       }
+
+       /**
+        * Generates an identifier for the given function.
+        * 
+        * @param function
+        *            The name of the function
+        * @return An identifier
+        */
+       private String generateIdentifier(String function) {
+               return "jFCPlib-" + function + "-" + System.currentTimeMillis();
+       }
+
+       /**
         * FCP listener for {@link HighLevelClient}.
         * 
         * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
@@ -244,7 +298,17 @@ public class HighLevelClient {
                 * @see net.pterodactylus.fcp.FcpListener#receivedEndListPeers(net.pterodactylus.fcp.FcpConnection,
                 *      net.pterodactylus.fcp.EndListPeers)
                 */
+               @SuppressWarnings("synthetic-access")
                public void receivedEndListPeers(FcpConnection fcpConnection, EndListPeers endListPeers) {
+                       if (fcpConnection != HighLevelClient.this.fcpConnection) {
+                               return;
+                       }
+                       String identifier = endListPeers.getIdentifier();
+                       HighLevelCallback<PeerListResult> peerListCallback = peerListCallbacks.remove(identifier);
+                       if (peerListCallback == null) {
+                               return;
+                       }
+                       peerListCallback.setDone();
                }
 
                /**
@@ -298,10 +362,10 @@ public class HighLevelClient {
                        if (fcpConnection != HighLevelClient.this.fcpConnection) {
                                return;
                        }
-                       ConnectResult connectResult = new ConnectResult();
-
                        synchronized (syncObject) {
-                               connectCallback.setResult(connectResult);
+                               connectCallback.getIntermediaryResult().setFailed(false);
+                               connectCallback.setDone();
+                               connectCallback = null;
                        }
                }
 
@@ -309,7 +373,17 @@ public class HighLevelClient {
                 * @see net.pterodactylus.fcp.FcpListener#receivedPeer(net.pterodactylus.fcp.FcpConnection,
                 *      net.pterodactylus.fcp.Peer)
                 */
+               @SuppressWarnings("synthetic-access")
                public void receivedPeer(FcpConnection fcpConnection, Peer peer) {
+                       if (fcpConnection != HighLevelClient.this.fcpConnection) {
+                               return;
+                       }
+                       String identifier = peer.getIdentifier();
+                       HighLevelCallback<PeerListResult> peerListCallback = peerListCallbacks.get(identifier);
+                       if (peerListCallback == null) {
+                               return;
+                       }
+                       peerListCallback.getIntermediaryResult().addPeer(peer);
                }
 
                /**
@@ -372,7 +446,28 @@ public class HighLevelClient {
                 * @see net.pterodactylus.fcp.FcpListener#receivedProtocolError(net.pterodactylus.fcp.FcpConnection,
                 *      net.pterodactylus.fcp.ProtocolError)
                 */
+               @SuppressWarnings("synthetic-access")
                public void receivedProtocolError(FcpConnection fcpConnection, ProtocolError protocolError) {
+                       if (fcpConnection != HighLevelClient.this.fcpConnection) {
+                               return;
+                       }
+                       String identifier = protocolError.getIdentifier();
+                       if (identifier == null) {
+                               return;
+                       }
+                       /* now check all callbacks. */
+                       synchronized (syncObject) {
+                               if (connectCallback != null) {
+                                       connectCallback.getIntermediaryResult().setFailed(true);
+                                       connectCallback.setDone();
+                                       connectCallback = null;
+                               }
+                       }
+                       HighLevelCallback<KeyGenerationResult> keyGenerationCallback = keyGenerationCallbacks.remove(identifier);
+                       if (keyGenerationCallback != null) {
+                               keyGenerationCallback.getIntermediaryResult().setFailed(true);
+                               keyGenerationCallback.setDone();
+                       }
                }
 
                /**
@@ -400,7 +495,19 @@ public class HighLevelClient {
                 * @see net.pterodactylus.fcp.FcpListener#receivedSSKKeypair(net.pterodactylus.fcp.FcpConnection,
                 *      net.pterodactylus.fcp.SSKKeypair)
                 */
+               @SuppressWarnings("synthetic-access")
                public void receivedSSKKeypair(FcpConnection fcpConnection, SSKKeypair sskKeypair) {
+                       if (fcpConnection != HighLevelClient.this.fcpConnection) {
+                               return;
+                       }
+                       HighLevelCallback<KeyGenerationResult> keyGenerationCallback = keyGenerationCallbacks.remove(sskKeypair.getIdentifier());
+                       if (keyGenerationCallback == null) {
+                               return;
+                       }
+                       KeyGenerationResult keyGenerationResult = keyGenerationCallback.getIntermediaryResult();
+                       keyGenerationResult.setInsertURI(sskKeypair.getInsertURI());
+                       keyGenerationResult.setRequestURI(sskKeypair.getRequestURI());
+                       keyGenerationCallback.setDone();
                }
 
                /**