netmessagemaker.h

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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef BITCOIN_NETMESSAGEMAKER_H
#define BITCOIN_NETMESSAGEMAKER_H
 
#include <serialize.h>
 
struct CSerializedNetMsg;
class CVectorWriter;
 
class CNetMsgMaker {
public:
    explicit CNetMsgMaker(int nVersionIn) : nVersion(nVersionIn) {}
 
    template <typename... Args>
    CSerializedNetMsg Make(int nFlags, std::string msg_type,
                           Args &&...args) const {
        CSerializedNetMsg msg;
        msg.m_type = std::move(msg_type);
        CVectorWriter{SER_NETWORK, nFlags | nVersion, msg.data, 0,
                      std::forward<Args>(args)...};
        return msg;
    }
 
    template <typename... Args>
    CSerializedNetMsg Make(std::string msg_type, Args &&...args) const {
        return Make(0, std::move(msg_type), std::forward<Args>(args)...);
    }
 
private:
    const int nVersion;
};
 
#endif // BITCOIN_NETMESSAGEMAKER_H