worker-protocol-impl.hh

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#pragma once
 
#include "lix/libstore/worker-protocol.hh"
#include "lix/libstore/length-prefixed-protocol-helper.hh"
 
namespace nix {
 
/* protocol-agnostic templates */
 
#define WORKER_USE_LENGTH_PREFIX_SERIALISER(TEMPLATE, T) \
    TEMPLATE T WorkerProto::Serialise< T >::read(const Store & store, WorkerProto::ReadConn conn) \
    { \
        return LengthPrefixedProtoHelper<WorkerProto, T >::read(store, conn); \
    } \
    /* NOLINTNEXTLINE(bugprone-macro-parentheses) */ \
    TEMPLATE [[nodiscard]] WireFormatGenerator WorkerProto::Serialise< T >::write(const Store & store, WorkerProto::WriteConn conn, const T & t) \
    { \
        return LengthPrefixedProtoHelper<WorkerProto, T >::write(store, conn, t); \
    }
 
WORKER_USE_LENGTH_PREFIX_SERIALISER(template<typename T>, std::vector<T>)
WORKER_USE_LENGTH_PREFIX_SERIALISER(template<typename T>, std::set<T>)
WORKER_USE_LENGTH_PREFIX_SERIALISER(template<typename... Ts>, std::tuple<Ts...>)
 
#define COMMA_ ,
WORKER_USE_LENGTH_PREFIX_SERIALISER(
    template<typename K COMMA_ typename V>,
    std::map<K COMMA_ V>)
#undef COMMA_

template<typename T>
struct WorkerProto::Serialise
{
    static T read(const Store & store, WorkerProto::ReadConn conn)
    {
        return CommonProto::Serialise<T>::read(store,
            CommonProto::ReadConn { .from = conn.from });
    }
    [[nodiscard]]
    static WireFormatGenerator write(const Store & store, WorkerProto::WriteConn conn, const T & t)
    {
        return CommonProto::Serialise<T>::write(store,
            CommonProto::WriteConn {},
            t);
    }
};
 
/* protocol-specific templates */
 
}