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-rw-r--r--apps/ktcachecheck/cachechecker.cpp110
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diff --git a/apps/ktcachecheck/cachechecker.cpp b/apps/ktcachecheck/cachechecker.cpp
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+/***************************************************************************
+ * 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 <klocale.h>
+#include <util/log.h>
+#include <util/file.h>
+#include <util/error.h>
+#include <util/array.h>
+#include <torrent/globals.h>
+#include <torrent/torrent.h>
+#include <torrent/chunkmanager.h>
+#include "cachechecker.h"
+
+using namespace bt;
+
+namespace ktdebug
+{
+
+ CacheChecker::CacheChecker(bt::Torrent & tor) : tor(tor)
+ {}
+
+
+ CacheChecker::~CacheChecker()
+ {}
+
+ void CacheChecker::loadIndex(const QString & index_file)
+ {
+ this->index_file = index_file;
+ File fptr;
+ if (!fptr.open(index_file,"rb"))
+ throw Error(i18n("Cannot open index file %1 : %2").arg(index_file).arg(fptr.errorString()));
+
+ if (fptr.seek(File::END,0) != 0)
+ {
+ fptr.seek(File::BEGIN,0);
+
+ while (!fptr.eof())
+ {
+ NewChunkHeader hdr;
+ fptr.read(&hdr,sizeof(NewChunkHeader));
+ downloaded_chunks.insert(hdr.index);
+ }
+ }
+ }
+
+ struct ChunkHeader
+ {
+ unsigned int index; // the Chunks index
+ unsigned int deprecated; // offset in cache file
+ };
+
+
+ void CacheChecker::fixIndex()
+ {
+ if (failed_chunks.size() == 0 && extra_chunks.size() == 0)
+ return;
+
+ File fptr;
+ if (!fptr.open(index_file,"wb"))
+ throw Error(i18n("Cannot open index file %1 : %2").arg(index_file).arg(fptr.errorString()));
+
+ std::set<bt::Uint32>::iterator i;
+ // first remove failed chunks from downloaded
+ if (failed_chunks.size() > 0)
+ {
+ i = failed_chunks.begin();
+ while (i != failed_chunks.end())
+ {
+ downloaded_chunks.erase(*i);
+ i++;
+ }
+ }
+
+ // add extra chunks to download
+ if (extra_chunks.size() > 0)
+ {
+ i = extra_chunks.begin();
+ while (i != extra_chunks.end())
+ {
+ downloaded_chunks.insert(*i);
+ i++;
+ }
+ }
+
+ // write remaining chunks
+ i = downloaded_chunks.begin();
+ while (i != downloaded_chunks.end())
+ {
+ ChunkHeader ch = {*i,0};
+ fptr.write(&ch,sizeof(ChunkHeader));
+ i++;
+ }
+ }
+}