predixy/src/DC.h
2017-07-24 11:00:44 +08:00

73 lines
1.4 KiB
C++

/*
* predixy - A high performance and full features proxy for redis.
* Copyright (C) 2017 Joyield, Inc. <joyield.com@gmail.com>
* All rights reserved.
*/
#ifndef _PREDIXY_DC_H_
#define _PREDIXY_DC_H_
#include <vector>
#include <map>
#include "ID.h"
#include "Conf.h"
#include "String.h"
struct DCReadPolicy
{
int priority = 0;
int weight = 0;
};
class DC : public ID<DC>
{
public:
DC(const String& name, int size);
~DC();
const String& name() const
{
return mName;
}
void set(DC* oth, const ReadPolicyConf& c)
{
mReadPolicy[oth->id()].priority = c.priority;
mReadPolicy[oth->id()].weight = c.weight;
}
int getReadPriority(DC* oth) const
{
return oth ? mReadPolicy[oth->id()].priority : 1;
}
int getReadWeight(DC* oth) const
{
return oth ? mReadPolicy[oth->id()].weight : 1;
}
const DCReadPolicy& getReadPolicy(DC* oth) const
{
return mReadPolicy[oth->id()];
}
private:
String mName;
std::vector<DCReadPolicy> mReadPolicy;
};
class DataCenter
{
public:
DefException(InitFail);
public:
DataCenter();
~DataCenter();
void init(const Conf* conf);
DC* getDC(const String& addr) const;
DC* localDC() const
{
return mLocalDC;
}
private:
std::map<String, DC*> mDCs;
std::map<String, DC*> mAddrDC;
DC* mLocalDC;
};
#endif