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177 lines
5.3 KiB
177 lines
5.3 KiB
/*
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* This file is part of the KFTPGrabber project
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*
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* Copyright (C) 2003-2006 by the KFTPGrabber developers
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* Copyright (C) 2003-2006 Jernej Kos <kostko@jweb-network.net>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
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* NON-INFRINGEMENT. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Steet, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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*
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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#ifndef KFTPENGINECACHE_H
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#define KFTPENGINECACHE_H
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#include <ntqmap.h>
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#include <kurl.h>
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#include "directorylisting.h"
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namespace KFTPEngine {
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class Socket;
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/**
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* This class provides a cache of paths and directory listings to be used for
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* faster operations.
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*
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* @author Jernej Kos <kostko@jweb-network.net>
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*/
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class Cache {
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public:
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static Cache *self();
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~Cache();
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/**
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* Cache a directory listing.
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*
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* @param url The listing url (including host information)
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* @param listing The directory listing to cache
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*/
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void addDirectory(KURL &url, DirectoryListing listing);
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/**
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* Cache a directory listing, extracting the host information from the
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* socket and using the current directory path.
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*
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* @param socket The socket to extract the host info from
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* @param listing The directory listing to cache
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*/
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void addDirectory(Socket *socket, DirectoryListing listing);
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/**
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* Updates a single directory entry.
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*
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* @param socket The socket to extract the host info from
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* @param path Entry location
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* @param filesize New file size
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*/
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void updateDirectoryEntry(Socket *socket, KURL &path, filesize_t filesize);
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/**
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* Cache path information.
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*
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* @param url The url (including host information)
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* @param target Actual target directory
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*/
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void addPath(KURL &url, const TQString &target);
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/**
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* Cache path information, extracting the host information from the
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* socket and using the current directory path.
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*
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* @param socket The socket to extract the host info from
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* @param target Actual target directory
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*/
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void addPath(Socket *socket, const TQString &target);
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/**
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* Invalidate a cached entry.
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*
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* @param url Url of the entry
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*/
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void invalidateEntry(KURL &url);
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/**
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* Invalidate a cached entry.
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*
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* @param socket The socket to extract the host info from
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* @param path Path of the entry
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*/
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void invalidateEntry(Socket *socket, const TQString &path);
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/**
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* Invalidate a cached path.
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*
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* @param url Url of the entry
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*/
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void invalidatePath(KURL &url);
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/**
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* Invalidate a cached path.
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*
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* @param socket The socket to extract the host info from
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* @param path Path of the entry
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*/
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void invalidatePath(Socket *socket, const TQString &path);
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/**
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* Retrieve a cached directory listing.
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*
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* @param url Url of the entry
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* @return A valid DirectoryListing if found, an empty DirectoryListing otherwise
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*/
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DirectoryListing findCached(KURL &url);
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/**
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* Retrieve a cached directory listing.
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*
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* @param socket The socket to extract the host info from
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* @param path Path of the entry
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* @return A valid DirectoryListing if found, an empty DirectoryListing otherwise
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*/
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DirectoryListing findCached(Socket *socket, const TQString &path);
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/**
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* Retrieve a cached path.
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*
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* @param url Url of the entry
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* @return A target path if found, TQString::null otherwise
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*/
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TQString findCachedPath(KURL &url);
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/**
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* Retrieve a cached path.
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*
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* @param socket The socket to extract the host info from
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* @param path Path of the entry
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* @return A target path if found, TQString::null otherwise
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*/
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TQString findCachedPath(Socket *socket, const TQString &path);
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protected:
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Cache();
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static Cache *m_self;
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private:
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TQMap<KURL, DirectoryListing> m_listingCache;
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TQMap<KURL, TQString> m_pathCache;
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};
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}
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#endif
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