1 files changed, 62 insertions, 0 deletions
diff --git a/libktorrent/kademlia/pack.cpp b/libktorrent/kademlia/pack.cpp
new file mode 100644
index 0000000..a5acafb
--- /dev/null
+++ b/libktorrent/kademlia/pack.cpp
@@ -0,0 +1,62 @@
+/***************************************************************************
+ *   Copyright (C) 2005 by Joris Guisson                                   *
+ *   joris.guisson@gmail.com                                               *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.             *
+ ***************************************************************************/
+#include <util/error.h>
+#include <util/functions.h>
+#include "pack.h"
+
+using namespace bt;
+using namespace KNetwork;
+
+namespace dht
+{
+
+	void PackBucketEntry(const KBucketEntry & e,QByteArray & ba,Uint32 off)
+	{
+		// first check size
+		if (off + 26 > ba.size())
+			throw bt::Error("Not enough room in buffer");
+		
+		Uint8* data = (Uint8*)ba.data();
+		Uint8* ptr = data + off;
+		
+		const KInetSocketAddress & addr = e.getAddress();
+		// copy ID, IP address and port into the buffer
+		memcpy(ptr,e.getID().getData(),20);
+		bt::WriteUint32(ptr,20,addr.ipAddress().IPv4Addr());
+		bt::WriteUint16(ptr,24,addr.port());
+	}
+	
+	KBucketEntry UnpackBucketEntry(const QByteArray & ba,Uint32 off)
+	{
+		if (off + 26 > ba.size())
+			throw bt::Error("Not enough room in buffer");
+		
+		const Uint8* data = (Uint8*)ba.data();
+		const Uint8* ptr = data + off;
+		
+		// get the port, ip and key);
+		Uint16 port = bt::ReadUint16(ptr,24);
+		Uint8 key[20];
+		memcpy(key,ptr,20);
+		
+		return KBucketEntry(KInetSocketAddress(KIpAddress(ptr+20,4),port),dht::Key(key));
+	}
+
+}