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authorDaniel Wilhelm <daniel@wili.li>2014-04-18 17:15:16 +0200
committerDaniel Wilhelm <daniel@wili.li>2014-04-18 17:15:16 +0200
commitbd6336c629841c6db3a6ca53a936d629d34db53b (patch)
tree3721ef997864108df175ce677a8a7d4342a6f1d2 /library/parallel_scan.h
parent4.0 (diff)
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4.1
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-rw-r--r--library/parallel_scan.h74
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diff --git a/library/parallel_scan.h b/library/parallel_scan.h
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-// **************************************************************************
-// * This file is part of the FreeFileSync project. It is distributed under *
-// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
-// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de) *
-// **************************************************************************
-
-#ifndef PARALLEL_SCAN_H_INCLUDED
-#define PARALLEL_SCAN_H_INCLUDED
-
-#include <map>
-#include <set>
-#include "hard_filter.h"
-#include "../structures.h"
-#include "../file_hierarchy.h"
-
-namespace zen
-{
-struct DirectoryKey
-{
- DirectoryKey(const Zstring& dirnameFull,
- const HardFilter::FilterRef& filter,
- SymLinkHandling handleSymlinks) :
- dirnameFull_(dirnameFull),
- filter_(filter),
- handleSymlinks_(handleSymlinks) {}
-
- Zstring dirnameFull_;
- HardFilter::FilterRef filter_; //filter interface: always bound by design!
- SymLinkHandling handleSymlinks_;
-};
-
-inline
-bool operator<(const DirectoryKey& lhs, const DirectoryKey& rhs)
-{
- if (lhs.handleSymlinks_ != rhs.handleSymlinks_)
- return lhs.handleSymlinks_ < rhs.handleSymlinks_;
-
- if (!EqualFilename()(lhs.dirnameFull_, rhs.dirnameFull_))
- return LessFilename()(lhs.dirnameFull_, rhs.dirnameFull_);
-
- return *lhs.filter_ < *rhs.filter_;
-}
-
-
-struct DirectoryValue
-{
- DirContainer dirCont;
- std::set<Zstring> failedReads; //relative postfixed names of directories that could not be read (empty string for root), e.g. access denied, or temporal network drop
-};
-
-
-class FillBufferCallback
-{
-public:
- virtual ~FillBufferCallback() {}
-
- enum HandleError
- {
- TRAV_ERROR_RETRY,
- TRAV_ERROR_IGNORE
- };
- virtual HandleError reportError (const std::wstring& errorText) = 0; //may throw!
- virtual void reportStatus(const std::wstring& statusMsg, int itemTotal) = 0; //
-};
-
-//attention: ensure directory filtering is applied later to exclude filtered directories which have been kept as parent folders
-
-void fillBuffer(const std::set<DirectoryKey>& keysToRead, //in
- std::map<DirectoryKey, DirectoryValue>& buf, //out
- FillBufferCallback& callback,
- size_t statusInterval); //unit: [ms]
-}
-
-#endif // PARALLEL_SCAN_H_INCLUDED
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