From 26bee5876c5048ab5673d3076b8e614028c5cee0 Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@freenetproject.org>
Date: Thu, 19 Mar 2009 00:48:00 +0100
Subject: [PATCH] Add method getPeers().

---
 src/net/pterodactylus/fcp/highlevel/FcpClient.java | 53 ++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/src/net/pterodactylus/fcp/highlevel/FcpClient.java b/src/net/pterodactylus/fcp/highlevel/FcpClient.java
index 21dc647..ecbd62d 100644
--- a/src/net/pterodactylus/fcp/highlevel/FcpClient.java
+++ b/src/net/pterodactylus/fcp/highlevel/FcpClient.java
@@ -22,14 +22,18 @@ package net.pterodactylus.fcp.highlevel;
 import java.io.IOException;
 import java.net.InetAddress;
 import java.net.UnknownHostException;
+import java.util.HashSet;
+import java.util.Set;
 import java.util.concurrent.CountDownLatch;
 
 import net.pterodactylus.fcp.ClientHello;
 import net.pterodactylus.fcp.CloseConnectionDuplicateClientName;
+import net.pterodactylus.fcp.EndListPeers;
 import net.pterodactylus.fcp.FcpAdapter;
 import net.pterodactylus.fcp.FcpConnection;
 import net.pterodactylus.fcp.FcpListener;
 import net.pterodactylus.fcp.NodeHello;
+import net.pterodactylus.fcp.Peer;
 import net.pterodactylus.fcp.ProtocolError;
 
 /**
@@ -172,6 +176,55 @@ public class FcpClient {
 		}
 	}
 
+	//
+	// PEER MANAGEMENT
+	//
+
+	/**
+	 * Returns all peers that the node has.
+	 *
+	 * @return A set containing the node’s peers
+	 * @throws IOException
+	 *             if an I/O error occurs
+	 * @throws FcpException
+	 *             if an FCP error occurs
+	 */
+	public Set<Peer> getPeers() throws IOException, FcpException {
+		final Set<Peer> peers = new HashSet<Peer>();
+		ExtendedFcpAdapter fcpAdapter = new ExtendedFcpAdapter() {
+
+			/**
+			 * {@inheritDoc}
+			 */
+			@Override
+			public void receivedPeer(FcpConnection fcpConnection, Peer peer) {
+				peers.add(peer);
+			}
+
+			/**
+			 * {@inheritDoc}
+			 */
+			@Override
+			public void receivedEndListPeers(FcpConnection fcpConnection, EndListPeers endListPeers) {
+				completionLatch.countDown();
+			}
+		};
+		fcpConnection.addFcpListener(fcpAdapter);
+		try {
+			while (true) {
+				try {
+					fcpAdapter.complete();
+					break;
+				} catch (InterruptedException e) {
+					/* ignore, we’ll loop. */
+				}
+			}
+		} finally {
+			fcpConnection.removeFcpListener(fcpAdapter);
+		}
+		return peers;
+	}
+
 	/**
 	 * Implementation of an {@link FcpListener} that can store an
 	 * {@link FcpException} and wait for the arrival of a certain command.
-- 
2.7.4