forked from lix-project/lix
130 lines
3.4 KiB
C++
130 lines
3.4 KiB
C++
#pragma once
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namespace nix {
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#define WORKER_MAGIC_1 0x6e697863
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#define WORKER_MAGIC_2 0x6478696f
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#define PROTOCOL_VERSION 0x117
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#define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00)
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#define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff)
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typedef enum {
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wopIsValidPath = 1,
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wopHasSubstitutes = 3,
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wopQueryPathHash = 4, // obsolete
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wopQueryReferences = 5, // obsolete
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wopQueryReferrers = 6,
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wopAddToStore = 7,
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wopAddTextToStore = 8,
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wopBuildPaths = 9,
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wopEnsurePath = 10,
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wopAddTempRoot = 11,
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wopAddIndirectRoot = 12,
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wopSyncWithGC = 13,
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wopFindRoots = 14,
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wopExportPath = 16, // obsolete
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wopQueryDeriver = 18, // obsolete
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wopSetOptions = 19,
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wopCollectGarbage = 20,
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wopQuerySubstitutablePathInfo = 21,
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wopQueryDerivationOutputs = 22, // obsolete
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wopQueryAllValidPaths = 23,
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wopQueryFailedPaths = 24,
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wopClearFailedPaths = 25,
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wopQueryPathInfo = 26,
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wopImportPaths = 27, // obsolete
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wopQueryDerivationOutputNames = 28, // obsolete
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wopQueryPathFromHashPart = 29,
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wopQuerySubstitutablePathInfos = 30,
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wopQueryValidPaths = 31,
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wopQuerySubstitutablePaths = 32,
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wopQueryValidDerivers = 33,
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wopOptimiseStore = 34,
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wopVerifyStore = 35,
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wopBuildDerivation = 36,
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wopAddSignatures = 37,
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wopNarFromPath = 38,
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wopAddToStoreNar = 39,
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wopQueryMissing = 40,
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wopQueryDerivationOutputMap = 41,
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} WorkerOp;
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#define STDERR_NEXT 0x6f6c6d67
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#define STDERR_READ 0x64617461 // data needed from source
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#define STDERR_WRITE 0x64617416 // data for sink
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#define STDERR_LAST 0x616c7473
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#define STDERR_ERROR 0x63787470
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#define STDERR_START_ACTIVITY 0x53545254
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#define STDERR_STOP_ACTIVITY 0x53544f50
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#define STDERR_RESULT 0x52534c54
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class Store;
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struct Source;
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template<class T> T readStorePaths(const Store & store, Source & from);
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void writeStorePaths(const Store & store, Sink & out, const StorePathSet & paths);
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/* To guide overloading */
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template<typename T>
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struct Proxy {};
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template<typename T>
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std::map<std::string, T> read(const Store & store, Source & from, Proxy<std::map<std::string, T>> _)
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{
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std::map<string, T> resMap;
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auto size = (size_t)readInt(from);
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while (size--) {
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auto thisKey = readString(from);
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resMap.insert_or_assign(std::move(thisKey), read(store, from, Proxy<T> {}));
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}
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return resMap;
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}
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template<typename T>
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void write(const Store & store, Sink & out, const std::map<string, T> & resMap)
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{
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out << resMap.size();
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for (auto & i : resMap) {
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out << i.first;
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write(store, out, i.second);
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}
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}
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template<typename T>
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std::optional<T> read(const Store & store, Source & from, Proxy<std::optional<T>> _)
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{
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auto tag = readNum<uint8_t>(from);
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switch (tag) {
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case 0:
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return std::nullopt;
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case 1:
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return read(store, from, Proxy<T> {});
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default:
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throw Error("got an invalid tag bit for std::optional: %#04x", tag);
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}
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}
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template<typename T>
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void write(const Store & store, Sink & out, const std::optional<T> & optVal)
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{
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out << (optVal ? 1 : 0);
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if (optVal)
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write(store, out, *optVal);
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}
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StorePath read(const Store & store, Source & from, Proxy<StorePath> _);
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void write(const Store & store, Sink & out, const StorePath & storePath);
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StorePathCAMap readStorePathCAMap(const Store & store, Source & from);
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void writeStorePathCAMap(const Store & store, Sink & out, const StorePathCAMap & paths);
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}
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