header.hpp

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#pragma once
#include "barretenberg/serialize/msgpack.hpp"
#include <cstdint>
#include <cstring>
 
namespace bb::messaging {
 
enum SystemMsgTypes { TERMINATE = 0, PING = 1, PONG = 2 };
 
const uint32_t FIRST_APP_MSG_TYPE = 100;
 
// #pragma pack(push, 1)
struct MsgHeader {
    uint32_t messageId; // Unique Id for the message
    uint32_t requestId; // Id of the message this is responding too (may not be used)
 
    MSGPACK_FIELDS(messageId, requestId);
 
    MsgHeader() = default;
 
    MsgHeader(uint32_t reqId)
        : requestId(reqId)
    {}
 
    MsgHeader(uint32_t msgId, uint32_t reqId)
        : messageId(msgId)
        , requestId(reqId)
    {}
};
 
struct HeaderOnlyMessage {
    uint32_t msgType;
    MsgHeader header;
 
    HeaderOnlyMessage(uint32_t type, MsgHeader& hdr)
        : msgType(type)
        , header(hdr)
    {}
 
    HeaderOnlyMessage() = default;
 
    MSGPACK_FIELDS(msgType, header);
};
 
template <class T> struct TypedMessage {
    uint32_t msgType;
    MsgHeader header;
    T value;
 
    TypedMessage(uint32_t type, MsgHeader& hdr, const T& val)
        : msgType(type)
        , header(hdr)
        , value(val)
    {}
 
    TypedMessage() = default;
 
    MSGPACK_FIELDS(msgType, header, value);
};
 
// #pragma pack(pop)
} // namespace bb::messaging