History.h

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/*
 * Copyright (C) 1996-2025 The Squid Software Foundation and contributors
 *
 * Squid software is distributed under GPLv2+ license and includes
 * contributions from numerous individuals and organizations.
 * Please see the COPYING and CONTRIBUTORS files for details.
 */
 
#ifndef SQUID_SRC_ADAPTATION_HISTORY_H
#define SQUID_SRC_ADAPTATION_HISTORY_H
 
#include "adaptation/DynamicGroupCfg.h"
#include "adaptation/forward.h"
#include "base/RefCount.h"
#include "HttpHeader.h"
#include "Notes.h"
#include "sbuf/SBuf.h"
#include "SquidString.h"
 
namespace Adaptation
{
 
class History: public RefCountable
{
public:
    typedef RefCount<Adaptation::History> Pointer;
 
    History();
 
    int recordXactStart(const String &serviceId, const timeval &when, bool retrying);
 
    void recordXactFinish(int hid);
 
    void allLogString(const char *serviceId, SBuf &);
 
    void sumLogString(const char *serviceId, SBuf &);
 
    void updateXxRecord(const char *name, const String &value);
 
    bool getXxRecord(String &name, String &value) const;
 
    void updateNextServices(const String &services);
 
    bool extractNextServices(String &value);
 
    void recordMeta(const HttpHeader *lm);
 
    void recordAdaptationService(SBuf &srvId);
public:
    HttpHeader lastMeta;
    HttpHeader allMeta;
    NotePairs::Pointer metaHeaders;
 
    typedef std::vector<SBuf> AdaptationServices;
    AdaptationServices theAdaptationServices; 
 
    void setFutureServices(const DynamicGroupCfg &services);
 
    DynamicGroupCfg extractCurrentServices(const ServiceFilter &);
 
private:
    class Entry
    {
    public:
        Entry(const String &serviceId, const timeval &when);
        Entry(); // required by Vector<>
 
        void stop(); 
        int rptm(); 
 
        String service; 
        timeval start; 
 
    private:
        int theRptm; 
 
    public:
        bool retried; 
    };
 
    typedef std::vector<Entry> Entries;
    Entries theEntries; 
 
    // theXx* will become a map<string,string>, but we only support one record
    String theXxName; 
    String theXxValue; 
 
    String theNextServices; 
    DynamicGroupCfg theFutureServices; 
};
 
} // namespace Adaptation
 
#endif /* SQUID_SRC_ADAPTATION_HISTORY_H */