Use distinct identifier for every “ListPeers” request.

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

diff --git a/src/net/pterodactylus/fcp/highlevel/FcpClient.java b/src/net/pterodactylus/fcp/highlevel/FcpClient.java
index 3014aa9..71b118e 100644 (file)
--- a/src/net/pterodactylus/fcp/highlevel/FcpClient.java
+++ b/src/net/pterodactylus/fcp/highlevel/FcpClient.java
@@ -23,6 +23,7 @@ import java.io.IOException;
 import java.net.InetAddress;
 import java.net.URL;
 import java.net.UnknownHostException;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 import java.util.concurrent.CountDownLatch;
@@ -30,18 +31,22 @@ import java.util.concurrent.CountDownLatch;
 import net.pterodactylus.fcp.AddPeer;
 import net.pterodactylus.fcp.ClientHello;
 import net.pterodactylus.fcp.CloseConnectionDuplicateClientName;
+import net.pterodactylus.fcp.EndListPeerNotes;
 import net.pterodactylus.fcp.EndListPeers;
 import net.pterodactylus.fcp.FcpAdapter;
 import net.pterodactylus.fcp.FcpConnection;
 import net.pterodactylus.fcp.FcpListener;
+import net.pterodactylus.fcp.ListPeerNotes;
 import net.pterodactylus.fcp.ListPeers;
 import net.pterodactylus.fcp.ModifyPeer;
 import net.pterodactylus.fcp.NodeHello;
 import net.pterodactylus.fcp.NodeRef;
 import net.pterodactylus.fcp.Peer;
+import net.pterodactylus.fcp.PeerNote;
 import net.pterodactylus.fcp.PeerRemoved;
 import net.pterodactylus.fcp.ProtocolError;
 import net.pterodactylus.fcp.RemovePeer;
+import net.pterodactylus.util.thread.ObjectWrapper;
 
 /**
  * High-level FCP client that hides the details of the underlying FCP
@@ -142,7 +147,7 @@ public class FcpClient {
         *             if an FCP error occurs
         */
        public void connect() throws IOException, FcpException {
-               ExtendedFcpAdapter fcpListener = new ExtendedFcpAdapter() {
+               new ExtendedFcpAdapter() {
 
                        /**
                         * {@inheritDoc}
@@ -162,8 +167,7 @@ public class FcpClient {
                        public void receivedNodeHello(FcpConnection fcpConnection, NodeHello nodeHello) {
                                completionLatch.countDown();
                        }
-               };
-               fcpListener.execute();
+               }.execute();
        }
 
        /**
@@ -194,8 +198,11 @@ public class FcpClient {
         *             if an FCP error occurs
         */
        public Set<Peer> getPeers(final boolean withMetadata, final boolean withVolatile) throws IOException, FcpException {
-               final Set<Peer> peers = new HashSet<Peer>();
-               ExtendedFcpAdapter fcpListener = new ExtendedFcpAdapter() {
+               final Set<Peer> peers = Collections.synchronizedSet(new HashSet<Peer>());
+               new ExtendedFcpAdapter() {
+
+                       /** The ID of the “ListPeers” request. */
+                       private String identifier = "list-peers-" + System.currentTimeMillis();
 
                        /**
                         * {@inheritDoc}
@@ -203,7 +210,7 @@ public class FcpClient {
                        @Override
                        @SuppressWarnings("synthetic-access")
                        public void run() throws IOException {
-                               fcpConnection.sendMessage(new ListPeers("list-peers", withMetadata, withVolatile));
+                               fcpConnection.sendMessage(new ListPeers(identifier, withMetadata, withVolatile));
                        }
 
                        /**
@@ -211,7 +218,9 @@ public class FcpClient {
                         */
                        @Override
                        public void receivedPeer(FcpConnection fcpConnection, Peer peer) {
-                               peers.add(peer);
+                               if (peer.getIdentifier().equals(identifier)) {
+                                       peers.add(peer);
+                               }
                        }
 
                        /**
@@ -219,10 +228,11 @@ public class FcpClient {
                         */
                        @Override
                        public void receivedEndListPeers(FcpConnection fcpConnection, EndListPeers endListPeers) {
-                               completionLatch.countDown();
+                               if (endListPeers.getIdentifier().equals(identifier)) {
+                                       completionLatch.countDown();
+                               }
                        }
-               };
-               fcpListener.execute();
+               }.execute();
                return peers;
        }
 
@@ -298,7 +308,7 @@ public class FcpClient {
         *             if an FCP error occurs
         */
        private void addPeer(final AddPeer addPeer) throws IOException, FcpException {
-               ExtendedFcpAdapter fcpListener = new ExtendedFcpAdapter() {
+               new ExtendedFcpAdapter() {
 
                        /**
                         * {@inheritDoc}
@@ -316,8 +326,7 @@ public class FcpClient {
                        public void receivedPeer(FcpConnection fcpConnection, Peer peer) {
                                completionLatch.countDown();
                        }
-               };
-               fcpListener.execute();
+               }.execute();
        }
 
        /**
@@ -342,7 +351,7 @@ public class FcpClient {
         *             if an FCP error occurs
         */
        public void modifyPeer(final Peer peer, final Boolean allowLocalAddresses, final Boolean disabled, final Boolean listenOnly) throws IOException, FcpException {
-               ExtendedFcpAdapter fcpListener = new ExtendedFcpAdapter() {
+               new ExtendedFcpAdapter() {
 
                        /**
                         * {@inheritDoc}
@@ -360,8 +369,7 @@ public class FcpClient {
                        public void receivedPeer(FcpConnection fcpConnection, Peer peer) {
                                completionLatch.countDown();
                        }
-               };
-               fcpListener.execute();
+               }.execute();
        }
 
        /**
@@ -375,7 +383,7 @@ public class FcpClient {
         *             if an FCP error occurs
         */
        public void removePeer(final Peer peer) throws IOException, FcpException {
-               ExtendedFcpAdapter fcpListener = new ExtendedFcpAdapter() {
+               new ExtendedFcpAdapter() {
 
                        /**
                         * {@inheritDoc}
@@ -393,8 +401,56 @@ public class FcpClient {
                        public void receivedPeerRemoved(FcpConnection fcpConnection, PeerRemoved peerRemoved) {
                                completionLatch.countDown();
                        }
-               };
-               fcpListener.execute();
+               }.execute();
+       }
+
+       //
+       // PEER NOTES MANAGEMENT
+       //
+
+       /**
+        * Returns the peer note of the given peer.
+        *
+        * @param peer
+        *            The peer to get the note for
+        * @return The peer’s note
+        * @throws IOException
+        *             if an I/O error occurs
+        * @throws FcpException
+        *             if an FCP error occurs
+        */
+       public PeerNote getPeerNote(final Peer peer) throws IOException, FcpException {
+               final ObjectWrapper<PeerNote> objectWrapper = new ObjectWrapper<PeerNote>();
+               new ExtendedFcpAdapter() {
+
+                       /**
+                        * {@inheritDoc}
+                        */
+                       @Override
+                       @SuppressWarnings("synthetic-access")
+                       public void run() throws IOException {
+                               fcpConnection.sendMessage(new ListPeerNotes(peer.getIdentity()));
+                       }
+
+                       /**
+                        * {@inheritDoc}
+                        */
+                       @Override
+                       public void receivedPeerNote(FcpConnection fcpConnection, PeerNote peerNote) {
+                               if (peerNote.getNodeIdentifier().equals(peer.getIdentity())) {
+                                       objectWrapper.set(peerNote);
+                               }
+                       }
+
+                       /**
+                        * {@inheritDoc}
+                        */
+                       @Override
+                       public void receivedEndListPeerNotes(FcpConnection fcpConnection, EndListPeerNotes endListPeerNotes) {
+                               completionLatch.countDown();
+                       }
+               }.execute();
+               return objectWrapper.get();
        }
 
        /**