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path: root/src/libstore/remote-store.hh
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#pragma once

#include <string>

#include "store-api.hh"


namespace nix {


class Pipe;
class Pid;
struct FdSink;
struct FdSource;


class RemoteStore : public StoreAPI
{
public:

    RemoteStore();

    ~RemoteStore();

    /* Implementations of abstract store API methods. */

    bool isValidPath(const Path & path) override;

    PathSet queryValidPaths(const PathSet & paths) override;

    PathSet queryAllValidPaths() override;

    ValidPathInfo queryPathInfo(const Path & path) override;

    Hash queryPathHash(const Path & path) override;

    void queryReferences(const Path & path, PathSet & references) override;

    void queryReferrers(const Path & path, PathSet & referrers) override;

    Path queryDeriver(const Path & path) override;

    PathSet queryValidDerivers(const Path & path) override;

    PathSet queryDerivationOutputs(const Path & path) override;

    StringSet queryDerivationOutputNames(const Path & path) override;

    Path queryPathFromHashPart(const string & hashPart) override;

    PathSet querySubstitutablePaths(const PathSet & paths) override;

    void querySubstitutablePathInfos(const PathSet & paths,
        SubstitutablePathInfos & infos) override;

    Path addToStore(const string & name, const Path & srcPath,
        bool recursive = true, HashType hashAlgo = htSHA256,
        PathFilter & filter = defaultPathFilter, bool repair = false) override;

    Path addTextToStore(const string & name, const string & s,
        const PathSet & references, bool repair = false) override;

    void exportPath(const Path & path, bool sign,
        Sink & sink) override;

    Paths importPaths(bool requireSignature, Source & source) override;

    void buildPaths(const PathSet & paths, BuildMode buildMode) override;

    BuildResult buildDerivation(const Path & drvPath, const BasicDerivation & drv,
        BuildMode buildMode) override;

    void ensurePath(const Path & path) override;

    void addTempRoot(const Path & path) override;

    void addIndirectRoot(const Path & path) override;

    void syncWithGC() override;

    Roots findRoots() override;

    void collectGarbage(const GCOptions & options, GCResults & results) override;

    PathSet queryFailedPaths() override;

    void clearFailedPaths(const PathSet & paths) override;

    void optimiseStore() override;

    bool verifyStore(bool checkContents, bool repair) override;

private:
    AutoCloseFD fdSocket;
    FdSink to;
    FdSource from;
    unsigned int daemonVersion;
    bool initialised;

    void openConnection(bool reserveSpace = true);

    void processStderr(Sink * sink = 0, Source * source = 0);

    void connectToDaemon();

    void setOptions();
};


}