1 files changed, 81 insertions, 0 deletions
diff --git a/libktorrent/torrent/chunk.cpp b/libktorrent/torrent/chunk.cpp
new file mode 100644
index 0000000..6873713
--- /dev/null
+++ b/libktorrent/torrent/chunk.cpp
@@ -0,0 +1,81 @@
+/***************************************************************************
+ *   Copyright (C) 2005 by Joris Guisson                                   *
+ *   [email protected]                                               *
+ *                                                                         *
+ *   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/sha1hash.h>
+#include "chunk.h"
+#include "globals.h"
+
+
+namespace bt
+{
+
+	Chunk::Chunk(unsigned int index,Uint32 size)
+	: status(Chunk::NOT_DOWNLOADED),index(index),
+	data(0),size(size),ref_count(0),priority(NORMAL_PRIORITY)
+	{
+	}
+
+
+	Chunk::~Chunk()
+	{
+		clear();
+	}
+
+	void Chunk::setData(Uint8* d,Status nstatus)
+	{
+		clear();
+		status = nstatus;
+		data = d;
+	}
+	
+	void Chunk::allocate()
+	{
+		clear();
+		status = BUFFERED;
+		data = new Uint8[size];
+	}
+
+	void Chunk::clear()
+	{
+		if (data)
+		{
+			if (status == BUFFERED)
+				delete [] data;
+			data = 0;
+		}
+	}
+	
+	void Chunk::unmapped()
+	{
+		setData(0,Chunk::ON_DISK);
+	}
+				
+	bool Chunk::checkHash(const SHA1Hash & h) const
+	{
+		if (status != BUFFERED && status != MMAPPED)
+		{
+			return false;
+		}
+		else
+		{
+			return SHA1Hash::generate(data,size) == h;
+		}
+	}
+						   
+}