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140 lines
4.5 KiB
C++
140 lines
4.5 KiB
C++
/* Copyright (C) 2015
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
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* or distributed except according to the terms contained in the LICENSE file.
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*/
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//! \file
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#ifndef BLACKMISC_NETWORK_URLLIST_H
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#define BLACKMISC_NETWORK_URLLIST_H
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#include "blackmisc/blackmiscexport.h"
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#include "blackmisc/collection.h"
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#include "blackmisc/network/url.h"
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#include "blackmisc/sequence.h"
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#include <QMetaType>
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#include <QString>
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#include <QStringList>
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namespace BlackMisc::Network
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{
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//! Value object encapsulating a list of URLs.
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class BLACKMISC_EXPORT CUrlList :
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public CSequence<CUrl>,
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public BlackMisc::Mixin::MetaType<CUrlList>
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{
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public:
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BLACKMISC_DECLARE_USING_MIXIN_METATYPE(CUrlList)
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using CSequence::CSequence;
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//! Default constructor.
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CUrlList();
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//! Construct from a base class object.
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CUrlList(const CSequence<CUrl> &other);
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//! By list of URLs
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explicit CUrlList(const QStringList &listOfUrls, bool removeDuplicates = true);
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//! Random location for distributed load
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CUrl getRandomUrl() const;
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//! Random location for distributed load, tested
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CUrl getRandomWorkingUrl(int maxTrials = 2, int timeoutMs = -1) const;
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//! Random location for distributed load
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CUrl getRandomWithout(const CUrl &exclude) const;
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//! Random location for distributed load
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CUrl getRandomWithout(const CUrlList &exclude) const;
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//! Append path to all URLs
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CUrlList withAppendedPath(const QString &path) const;
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//! Find by host
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CUrlList findByHost(const QString &host, Qt::CaseSensitivity cs = Qt::CaseInsensitive) const;
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//! To formatted String
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QString convertToQString(const QString &separator, bool i18n = false) const;
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//! URLs without duplicates
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CUrlList getWithoutDuplicates() const;
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//! Remove duplicated URL and return number of removed elements
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int removeDuplicates();
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};
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//! URL list with fail support
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class BLACKMISC_EXPORT CFailoverUrlList : public CUrlList
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{
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public:
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//! Default constructor.
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CFailoverUrlList(int maxTrials = 2);
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//! By list of URLs
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explicit CFailoverUrlList(const QStringList &listOfUrls, int maxTrials = 2);
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//! From url list
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CFailoverUrlList(const CUrlList &urlIst, int maxTrials = 2);
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//! All failed URLs
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const CUrlList &getFailedUrls() const { return m_failedUrls; }
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//! Size of failed URLs
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int getFailedUrlsSize() const { return m_failedUrls.size(); }
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//! Get without the failed URLs
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CUrlList getWithoutFailed() const;
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//! Failed URL
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bool addFailedUrl(const CUrl &failedUrl);
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//! Failed URLs
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bool addFailedUrls(const CUrlList &failedUrls);
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//! Failed host
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bool addFailedHost(const CUrl &failedUrl);
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//! Failed host
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bool addFailedHost(const QString &host, Qt::CaseSensitivity cs = Qt::CaseInsensitive);
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//! More URLs to try
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bool hasMoreUrlsToTry() const;
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//! Number of URLs which can be used for a retry
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int numberOfStillValidUrls() const;
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//! Next utl from this list
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CUrl obtainNextUrl(bool randomStart = false);
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//! Round robin with random start point
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CUrl obtainNextUrlWithout(bool randomStart = false, const CUrlList &exclude = CUrlList()) const;
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//! Next working URL, test if it can be connected
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CUrl obtainNextWorkingUrl(bool random = false, int connectTimeoutMs = -1);
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//! Get the error messages
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const QStringList &getErrorMessages() const { return m_errorMsgs; }
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//! Reset failed URL, allows to set an optional new number of max.trials
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void reset(int maxTrials = -1);
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private:
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int m_currentIndexDistributedLoad = -1; //!< index for random access
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int m_maxTrials = 2; //!< number of max trials
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CUrlList m_failedUrls; //!< failed tested URLs
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QStringList m_errorMsgs; //!< error messages while testing;
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};
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} // namespace
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Q_DECLARE_METATYPE(BlackMisc::Network::CUrlList)
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Q_DECLARE_METATYPE(BlackMisc::Network::CFailoverUrlList)
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Q_DECLARE_METATYPE(BlackMisc::CCollection<BlackMisc::Network::CUrl>)
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#endif //guard
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