130 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#pragma once
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#include "crypto.hh"
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#include "store-api.hh"
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#include "pool.hh"
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#include <atomic>
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namespace nix {
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struct NarInfo;
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class BinaryCacheStore : public Store
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{
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public:
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    const Setting<std::string> compression{this, "xz", "compression", "NAR compression method ('xz', 'bzip2', or 'none')"};
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    const Setting<bool> writeNARListing{this, false, "write-nar-listing", "whether to write a JSON file listing the files in each NAR"};
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    const Setting<Path> secretKeyFile{this, "", "secret-key", "path to secret key used to sign the binary cache"};
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private:
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    std::unique_ptr<SecretKey> secretKey;
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protected:
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    BinaryCacheStore(const Params & params);
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public:
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    virtual bool fileExists(const std::string & path) = 0;
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    virtual void upsertFile(const std::string & path,
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        const std::string & data,
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        const std::string & mimeType) = 0;
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    /* Return the contents of the specified file, or null if it
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       doesn't exist. */
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    virtual void getFile(const std::string & path,
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        std::function<void(std::shared_ptr<std::string>)> success,
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        std::function<void(std::exception_ptr exc)> failure) = 0;
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    std::shared_ptr<std::string> getFile(const std::string & path);
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protected:
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    bool wantMassQuery_ = false;
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    int priority = 50;
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public:
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    virtual void init();
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private:
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    std::string narMagic;
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    std::string narInfoFileFor(const Path & storePath);
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public:
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    bool isValidPathUncached(const Path & path) override;
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    PathSet queryAllValidPaths() override
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    { unsupported(); }
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    void queryPathInfoUncached(const Path & path,
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        std::function<void(std::shared_ptr<ValidPathInfo>)> success,
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        std::function<void(std::exception_ptr exc)> failure) override;
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    void queryReferrers(const Path & path,
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        PathSet & referrers) override
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    { unsupported(); }
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    PathSet queryDerivationOutputs(const Path & path) override
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    { unsupported(); }
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    StringSet queryDerivationOutputNames(const Path & path) override
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    { unsupported(); }
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    Path queryPathFromHashPart(const string & hashPart) override
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    { unsupported(); }
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    bool wantMassQuery() override { return wantMassQuery_; }
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    void addToStore(const ValidPathInfo & info, const ref<std::string> & nar,
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        RepairFlag repair, CheckSigsFlag checkSigs,
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        std::shared_ptr<FSAccessor> accessor) override;
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    Path addToStore(const string & name, const Path & srcPath,
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        bool recursive, HashType hashAlgo,
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        PathFilter & filter, RepairFlag repair) override;
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    Path addTextToStore(const string & name, const string & s,
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        const PathSet & references, RepairFlag repair) override;
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    void narFromPath(const Path & path, Sink & sink) override;
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    BuildResult buildDerivation(const Path & drvPath, const BasicDerivation & drv,
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        BuildMode buildMode) override
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    { unsupported(); }
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    void ensurePath(const Path & path) override
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    { unsupported(); }
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    void addTempRoot(const Path & path) override
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    { unsupported(); }
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    void addIndirectRoot(const Path & path) override
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    { unsupported(); }
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    Roots findRoots() override
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    { unsupported(); }
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    void collectGarbage(const GCOptions & options, GCResults & results) override
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    { unsupported(); }
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    ref<FSAccessor> getFSAccessor() override;
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    void addSignatures(const Path & storePath, const StringSet & sigs) override
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    { unsupported(); }
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    std::shared_ptr<std::string> getBuildLog(const Path & path) override;
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    int getPriority() override { return priority; }
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};
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}
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