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91593a237f
No behavior is changed, just: - Declare a canonical `nlohmnan::json::adl_serializer` - Use `json-utils.hh` to shorten code without getting worse error messages. Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
#include "nix/util/serialise.hh"
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#include "nix/store/path-with-outputs.hh"
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#include "nix/store/store-api.hh"
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#include "nix/store/build-result.hh"
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#include "nix/store/common-protocol.hh"
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#include "nix/store/common-protocol-impl.hh"
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#include "nix/util/archive.hh"
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#include "nix/store/derivations.hh"
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#include <nlohmann/json.hpp>
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namespace nix {
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/* protocol-agnostic definitions */
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std::string CommonProto::Serialise<std::string>::read(const StoreDirConfig & store, CommonProto::ReadConn conn)
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{
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return readString(conn.from);
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}
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void CommonProto::Serialise<std::string>::write(
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const StoreDirConfig & store, CommonProto::WriteConn conn, const std::string & str)
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{
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conn.to << str;
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}
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StorePath CommonProto::Serialise<StorePath>::read(const StoreDirConfig & store, CommonProto::ReadConn conn)
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{
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return store.parseStorePath(readString(conn.from));
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}
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void CommonProto::Serialise<StorePath>::write(
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const StoreDirConfig & store, CommonProto::WriteConn conn, const StorePath & storePath)
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{
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conn.to << store.printStorePath(storePath);
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}
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ContentAddress CommonProto::Serialise<ContentAddress>::read(const StoreDirConfig & store, CommonProto::ReadConn conn)
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{
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return ContentAddress::parse(readString(conn.from));
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}
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void CommonProto::Serialise<ContentAddress>::write(
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const StoreDirConfig & store, CommonProto::WriteConn conn, const ContentAddress & ca)
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{
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conn.to << renderContentAddress(ca);
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}
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Realisation CommonProto::Serialise<Realisation>::read(const StoreDirConfig & store, CommonProto::ReadConn conn)
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{
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std::string rawInput = readString(conn.from);
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try {
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return nlohmann::json::parse(rawInput);
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} catch (Error & e) {
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e.addTrace({}, "while parsing a realisation object in the remote protocol");
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throw;
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}
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}
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void CommonProto::Serialise<Realisation>::write(
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const StoreDirConfig & store, CommonProto::WriteConn conn, const Realisation & realisation)
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{
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conn.to << static_cast<nlohmann::json>(realisation).dump();
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}
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DrvOutput CommonProto::Serialise<DrvOutput>::read(const StoreDirConfig & store, CommonProto::ReadConn conn)
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{
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return DrvOutput::parse(readString(conn.from));
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}
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void CommonProto::Serialise<DrvOutput>::write(
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const StoreDirConfig & store, CommonProto::WriteConn conn, const DrvOutput & drvOutput)
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{
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conn.to << drvOutput.to_string();
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}
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std::optional<StorePath>
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CommonProto::Serialise<std::optional<StorePath>>::read(const StoreDirConfig & store, CommonProto::ReadConn conn)
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{
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auto s = readString(conn.from);
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return s == "" ? std::optional<StorePath>{} : store.parseStorePath(s);
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}
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void CommonProto::Serialise<std::optional<StorePath>>::write(
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const StoreDirConfig & store, CommonProto::WriteConn conn, const std::optional<StorePath> & storePathOpt)
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{
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conn.to << (storePathOpt ? store.printStorePath(*storePathOpt) : "");
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}
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std::optional<ContentAddress>
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CommonProto::Serialise<std::optional<ContentAddress>>::read(const StoreDirConfig & store, CommonProto::ReadConn conn)
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{
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return ContentAddress::parseOpt(readString(conn.from));
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}
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void CommonProto::Serialise<std::optional<ContentAddress>>::write(
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const StoreDirConfig & store, CommonProto::WriteConn conn, const std::optional<ContentAddress> & caOpt)
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{
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conn.to << (caOpt ? renderContentAddress(*caOpt) : "");
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}
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} // namespace nix
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