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31 lines
825 B
C++
31 lines
825 B
C++
#pragma once
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#include "ref.hh"
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#include "nar-info.hh"
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namespace nix {
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class NarInfoDiskCache
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{
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public:
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typedef enum { oValid, oInvalid, oUnknown } Outcome;
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virtual void createCache(const std::string & uri, const Path & storeDir,
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bool wantMassQuery, int priority) = 0;
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virtual bool cacheExists(const std::string & uri,
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bool & wantMassQuery, int & priority) = 0;
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virtual std::pair<Outcome, std::shared_ptr<NarInfo>> lookupNarInfo(
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const std::string & uri, const std::string & hashPart) = 0;
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virtual void upsertNarInfo(
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const std::string & uri, const std::string & hashPart,
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std::shared_ptr<ValidPathInfo> info) = 0;
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};
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/* Return a singleton cache object that can be used concurrently by
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multiple threads. */
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ref<NarInfoDiskCache> getNarInfoDiskCache();
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}
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