Public interfaces: part 1

[stg.git] / include / stg / tariff.h

diff --git a/include/stg/tariff.h b/include/stg/tariff.h
index 5d01cba08886be4087aced98c1305b072e16ef05..3882f630d966f28a11644c5566b287843cd41204 100644 (file)
--- a/include/stg/tariff.h
+++ b/include/stg/tariff.h
@@ -18,32 +18,38 @@
  *    Author : Maxim Mamontov <faust@stargazer.dp.ua>
  */
 
-#ifndef TARIFF_H
-#define TARIFF_H
-
-#include "os_int.h"
+#pragma once
 
 #include <string>
+//#include <istream>
 #include <cstring>
 #include <ctime>
-#include <istream>
+#include <cstdint>
+
+namespace STG
+{
+
+struct TariffData;
+
+struct Tariff {
+    enum ChangePolicy { ALLOW = 0, TO_CHEAP, TO_EXPENSIVE, DENY };
 
-struct TARIFF_DATA;
+    enum Period { DAY = 0, MONTH };
 
-class TARIFF {
-public:
-    enum PERIOD { DAY = 0, MONTH };
+    enum TraffType { TRAFF_UP = 0, TRAFF_DOWN, TRAFF_UP_DOWN, TRAFF_MAX };
 
-    enum TRAFF_TYPE { TRAFF_UP = 0, TRAFF_DOWN, TRAFF_UP_DOWN, TRAFF_MAX };
+    static std::string toString(ChangePolicy changePolicy);
+    static ChangePolicy parseChangePolicy(const std::string& value);
 
-    static std::string PeriodToString(PERIOD period);
-    static PERIOD StringToPeriod(const std::string& value);
+    static std::string toString(Period period);
+    static Period parsePeriod(const std::string& value);
 
-    static std::string TraffTypeToString(TRAFF_TYPE type);
-    static TRAFF_TYPE StringToTraffType(const std::string& value);
-    static TRAFF_TYPE IntToTraffType(int value);
+    static std::string toString(TraffType type);
+    static TraffType parseTraffType(const std::string& value);
+    static TraffType fromInt(int value);
+
+    virtual ~Tariff() = default;
 
-    virtual ~TARIFF() {}
     virtual double  GetPriceWithTraffType(uint64_t up,
                                           uint64_t down,
                                           int dir,
@@ -52,78 +58,106 @@ public:
     virtual double  GetPassiveCost() const = 0;
     virtual double  GetFee() const = 0;
     virtual double  GetFree() const = 0;
-    virtual PERIOD  GetPeriod() const = 0;
+    virtual Period  GetPeriod() const = 0;
+    virtual ChangePolicy GetChangePolicy() const = 0;
+    virtual time_t  GetChangePolicyTimeout() const = 0;
 
-    virtual const   std::string & GetName() const = 0;
-    virtual void    SetName(const std::string & name) = 0;
+    virtual const   std::string& GetName() const = 0;
+    virtual void    SetName(const std::string& name) = 0;
 
     virtual int     GetTraffType() const = 0;
     virtual int64_t GetTraffByType(uint64_t up, uint64_t down) const = 0;
     virtual int     GetThreshold(int dir) const = 0;
-    virtual const TARIFF_DATA & GetTariffData() const = 0;
+    virtual const TariffData& GetTariffData() const = 0;
+    virtual std::string TariffChangeIsAllowed(const Tariff& to, time_t currentTime) const = 0;
 };
 
 inline
-std::string TARIFF::PeriodToString(TARIFF::PERIOD period)
+std::string Tariff::toString(ChangePolicy changePolicy)
 {
-switch (period)
+    switch (changePolicy)
     {
-    case DAY: return "day";
-    case MONTH: return "month";
+        case ALLOW: return "allow";
+        case TO_CHEAP: return "to_cheap";
+        case TO_EXPENSIVE: return "to_expensive";
+        case DENY: return "deny";
     }
-return "month"; // Classic behaviour.
+    return "allow"; // Classic behaviour.
 }
 
 inline
-TARIFF::PERIOD TARIFF::StringToPeriod(const std::string& value)
+Tariff::ChangePolicy Tariff::parseChangePolicy(const std::string& value)
 {
-if (strcasecmp(value.c_str(), "day") == 0)
-    return DAY;
-return MONTH; // Classic behaviour.
+    if (strcasecmp(value.c_str(), "to_cheap") == 0)
+        return TO_CHEAP;
+    if (strcasecmp(value.c_str(), "to_expensive") == 0)
+        return TO_EXPENSIVE;
+    if (strcasecmp(value.c_str(), "deny") == 0)
+        return DENY;
+    return ALLOW; // Classic behaviour.
 }
 
 inline
-std::string TARIFF::TraffTypeToString(TARIFF::TRAFF_TYPE type)
+std::string Tariff::toString(Period period)
 {
-switch (type)
+    switch (period)
     {
-    case TRAFF_UP: return "up";
-    case TRAFF_DOWN: return "down";
-    case TRAFF_UP_DOWN: return "up+down";
-    case TRAFF_MAX: return "max";
+        case DAY: return "day";
+        case MONTH: return "month";
     }
-return "up+down";
+    return "month"; // Classic behaviour.
 }
 
 inline
-TARIFF::TRAFF_TYPE TARIFF::StringToTraffType(const std::string& value)
+Tariff::Period Tariff::parsePeriod(const std::string& value)
 {
-if (strcasecmp(value.c_str(), "up") == 0)
-    return TRAFF_UP;
-if (strcasecmp(value.c_str(), "down") == 0)
-    return TRAFF_DOWN;
-if (strcasecmp(value.c_str(), "up+down") == 0)
-    return TRAFF_UP_DOWN;
-if (strcasecmp(value.c_str(), "max") == 0)
-    return TRAFF_MAX;
-return TRAFF_UP_DOWN;
+    if (strcasecmp(value.c_str(), "day") == 0)
+        return DAY;
+    return MONTH; // Classic behaviour.
+}
+
+inline
+std::string Tariff::toString(TraffType type)
+{
+    switch (type)
+    {
+        case TRAFF_UP: return "up";
+        case TRAFF_DOWN: return "down";
+        case TRAFF_UP_DOWN: return "up+down";
+        case TRAFF_MAX: return "max";
+    }
+    return "up+down";
 }
 
 inline
-std::istream & operator>>(std::istream & stream, TARIFF::TRAFF_TYPE & traffType)
+Tariff::TraffType Tariff::parseTraffType(const std::string& value)
+{
+    if (strcasecmp(value.c_str(), "up") == 0)
+        return TRAFF_UP;
+    if (strcasecmp(value.c_str(), "down") == 0)
+        return TRAFF_DOWN;
+    if (strcasecmp(value.c_str(), "up+down") == 0)
+        return TRAFF_UP_DOWN;
+    if (strcasecmp(value.c_str(), "max") == 0)
+        return TRAFF_MAX;
+    return TRAFF_UP_DOWN;
+}
+
+/*inline
+std::istream& operator>>(std::istream& stream, Tariff::TraffType& traffType)
 {
     unsigned val;
     stream >> val;
-    traffType = static_cast<TARIFF::TRAFF_TYPE>(val);
+    traffType = static_cast<Tariff::TraffType>(val);
     return stream;
-}
+}*/
 
 inline
-TARIFF::TRAFF_TYPE TARIFF::IntToTraffType(int value)
+Tariff::TraffType Tariff::fromInt(int value)
 {
     if (value < 0 || value > TRAFF_MAX)
         return TRAFF_UP_DOWN;
-    return static_cast<TRAFF_TYPE>(value);
+    return static_cast<TraffType>(value);
 }
 
-#endif
+}