mirror of
https://github.com/swift-project/pilotclient.git
synced 2026-03-31 04:25:35 +08:00
1a1e4681fe
* bundled all load balancing in CFailoverUrlList. "Obtain" functions are non-const, no need of mutable members
122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
/* Copyright (C) 2015
|
|
* swift project Community / Contributors
|
|
*
|
|
* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
|
|
* directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
|
|
* including this file, may be copied, modified, propagated, or distributed except according to the terms
|
|
* contained in the LICENSE file.
|
|
*/
|
|
|
|
//! \file
|
|
|
|
#ifndef BLACKMISC_NETWORK_NETWORKLOCATIONLIST_H
|
|
#define BLACKMISC_NETWORK_NETWORKLOCATIONLIST_H
|
|
|
|
#include "blackmisc/blackmiscexport.h"
|
|
#include "blackmisc/network/url.h"
|
|
#include "blackmisc/collection.h"
|
|
#include "blackmisc/sequence.h"
|
|
#include <QReadWriteLock>
|
|
|
|
namespace BlackMisc
|
|
{
|
|
namespace Network
|
|
{
|
|
//! Value object encapsulating a list of servers.
|
|
class BLACKMISC_EXPORT CUrlList :
|
|
public CSequence<CUrl>,
|
|
public BlackMisc::Mixin::MetaType<CUrlList>
|
|
{
|
|
public:
|
|
BLACKMISC_DECLARE_USING_MIXIN_METATYPE(CUrlList)
|
|
|
|
//! Default constructor.
|
|
CUrlList();
|
|
|
|
//! Copy constructor (because of mutex)
|
|
CUrlList(const CUrlList &other);
|
|
|
|
//! Construct from a base class object.
|
|
CUrlList(const CSequence<CUrl> &other);
|
|
|
|
//! By list of URLs
|
|
explicit CUrlList(const QStringList &listOfUrls, bool removeDuplicates = true);
|
|
|
|
//! Random location for distributed load
|
|
CUrl getRandomUrl() const;
|
|
|
|
//! Random location for distributed load, tested
|
|
CUrl getRandomWorkingUrl(int maxTrials = 2) const;
|
|
|
|
//! Random location for distributed load
|
|
CUrl getRandomWithout(const CUrlList &exclude) const;
|
|
|
|
//! Append path to all URLs
|
|
CUrlList appendPath(const QString &path) const;
|
|
|
|
//! To formatted String
|
|
QString convertToQString(const QString &separator, bool i18n = false) const;
|
|
|
|
//! URLs without duplicates
|
|
CUrlList getWithoutDuplicates() const;
|
|
|
|
//! Remove duplicated URL and return number of removed elements
|
|
int removeDuplicates();
|
|
};
|
|
|
|
//! URL list with fail support
|
|
class BLACKMISC_EXPORT CFailoverUrlList : public CUrlList
|
|
{
|
|
public:
|
|
//! Default constructor.
|
|
CFailoverUrlList(int maxTrials = 2);
|
|
|
|
//! By list of URLs
|
|
explicit CFailoverUrlList(const QStringList &listOfUrls, int maxTrials = 2);
|
|
|
|
//! Construct from a base class object.
|
|
CFailoverUrlList(const CSequence<CUrl> &other, int maxTrials = 2);
|
|
|
|
//! From url list
|
|
CFailoverUrlList(const CUrlList &urlIst);
|
|
|
|
//! All failed URLs
|
|
const CUrlList &getFailedUrls() const { return m_failedUrls; }
|
|
|
|
//! Get without the failed URLs
|
|
CUrlList getWithoutFailed() const;
|
|
|
|
//! Failed URL
|
|
bool addFailedUrl(const CUrl &failedUrl);
|
|
|
|
//! More URLs to try
|
|
bool hasMoreUrlsToTry() const;
|
|
|
|
//! Next utl from this list
|
|
CUrl obtainNextUrl(bool randomStart = false);
|
|
|
|
//! Round robin with random start point
|
|
CUrl obtainNextUrlWithout(bool randomStart = false, const CUrlList &exclude = CUrlList()) const;
|
|
|
|
//! Next working URL, test if it can be connected
|
|
CUrl obtainNextWorkingUrl( bool random = false, const CUrl &failedUrl = CUrl());
|
|
|
|
//! Reset failed URL, allows to set an optional new number of max.trials
|
|
void reset(int maxTrials = -1);
|
|
|
|
private:
|
|
int m_currentIndexDistributedLoad = -1; //!< index for random access
|
|
int m_maxTrials = 2; //!< number of max trials
|
|
CUrlList m_failedUrls;
|
|
};
|
|
|
|
} //namespace
|
|
} // namespace
|
|
|
|
Q_DECLARE_METATYPE(BlackMisc::Network::CUrlList)
|
|
Q_DECLARE_METATYPE(BlackMisc::Network::CFailoverUrlList)
|
|
Q_DECLARE_METATYPE(BlackMisc::CCollection<BlackMisc::Network::CUrl>)
|
|
Q_DECLARE_METATYPE(BlackMisc::CSequence<BlackMisc::Network::CUrl>)
|
|
|
|
#endif //guard
|