2014-08-11 19:47:16 +04:00
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/*
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* Copyright (C) by Olivier Goffart <ogoffart@woboq.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "discoveryphase.h"
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2014-08-11 20:41:42 +04:00
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#include <csync_private.h>
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bool DiscoveryJob::isInWhiteList(const QString& path_) const
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{
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if (_selectiveSyncWhiteList.isEmpty()) {
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// If there is no white list, everything is allowed
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return true;
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}
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// If the path is a prefix of any item of the list, this means we need to go deeper, so we sync.
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// (this means it was partially checked)
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// If one of the item in the white list is a prefix of the path, it means this path need to
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// be synced.
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//
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// We know the list is sorted (for it is done in DiscoveryJob::start)
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// So we can do a binary search. If the path is a prefix if another item, this item will be
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// equal, or right after in the lexical order.
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// If an item has the path as a prefix, it will be right before in the lexicographic order.
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QString path = path_ + QLatin1Char('/');
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auto it = std::lower_bound(_selectiveSyncWhiteList.begin(), _selectiveSyncWhiteList.end(), path);
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if (it != _selectiveSyncWhiteList.end() && path.startsWith(*it)) {
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// If the path is a prefix of something in the white list, we need to sync the contents
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return true;
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}
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// If the item before is a prefix of the path, we are also good
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if (it == _selectiveSyncWhiteList.begin()) {
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return false;
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}
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--it;
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if ((*it).startsWith(path)) {
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return true;
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}
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return false;
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}
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int DiscoveryJob::isInWhiteListCallBack(void *data, const char *path)
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{
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return static_cast<DiscoveryJob*>(data)->isInWhiteList(QString::fromUtf8(path));
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}
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2014-08-11 19:47:16 +04:00
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void DiscoveryJob::start() {
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2014-08-11 20:41:42 +04:00
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_selectiveSyncWhiteList.sort();
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_csync_ctx->checkWhiteListHook = isInWhiteListCallBack;
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_csync_ctx->checkWhiteListData = this;
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2014-08-11 19:47:16 +04:00
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csync_set_log_callback(_log_callback);
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csync_set_log_level(_log_level);
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csync_set_log_userdata(_log_userdata);
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emit finished(csync_update(_csync_ctx));
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deleteLater();
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}
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