1 files changed, 136 insertions, 0 deletions
diff --git a/src/libstore/binary-cache-store.hh b/src/libstore/binary-cache-store.hh
new file mode 100644
index 000000000000..c14ab8676a9c
--- /dev/null
+++ b/src/libstore/binary-cache-store.hh
@@ -0,0 +1,136 @@
+#pragma once
+
+#include "crypto.hh"
+#include "store-api.hh"
+
+#include "pool.hh"
+
+#include <atomic>
+
+namespace nix {
+
+struct NarInfo;
+
+class BinaryCacheStore : public Store
+{
+private:
+
+    std::unique_ptr<SecretKey> secretKey;
+
+    std::string compression;
+
+protected:
+
+    BinaryCacheStore(const StoreParams & params);
+
+    [[noreturn]] void notImpl();
+
+    virtual bool fileExists(const std::string & path) = 0;
+
+    virtual void upsertFile(const std::string & path, const std::string & data) = 0;
+
+    /* Return the contents of the specified file, or null if it
+       doesn't exist. */
+    virtual std::shared_ptr<std::string> getFile(const std::string & path) = 0;
+
+    bool wantMassQuery_ = false;
+    int priority = 50;
+
+public:
+
+    virtual void init();
+
+private:
+
+    std::string narMagic;
+
+    std::string narInfoFileFor(const Path & storePath);
+
+public:
+
+    bool isValidPathUncached(const Path & path) override;
+
+    PathSet queryValidPaths(const PathSet & paths) override
+    { notImpl(); }
+
+    PathSet queryAllValidPaths() override
+    { notImpl(); }
+
+    std::shared_ptr<ValidPathInfo> queryPathInfoUncached(const Path & path) override;
+
+    void queryReferrers(const Path & path,
+        PathSet & referrers) override
+    { notImpl(); }
+
+    PathSet queryValidDerivers(const Path & path) override
+    { return {}; }
+
+    PathSet queryDerivationOutputs(const Path & path) override
+    { notImpl(); }
+
+    StringSet queryDerivationOutputNames(const Path & path) override
+    { notImpl(); }
+
+    Path queryPathFromHashPart(const string & hashPart) override
+    { notImpl(); }
+
+    PathSet querySubstitutablePaths(const PathSet & paths) override
+    { return {}; }
+
+    void querySubstitutablePathInfos(const PathSet & paths,
+        SubstitutablePathInfos & infos)
+    { }
+
+    bool wantMassQuery() { return wantMassQuery_; }
+
+    void addToStore(const ValidPathInfo & info, const std::string & nar,
+        bool repair = false) 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 narFromPath(const Path & path, Sink & sink) override;
+
+    void buildPaths(const PathSet & paths, BuildMode buildMode = bmNormal) override
+    { notImpl(); }
+
+    BuildResult buildDerivation(const Path & drvPath, const BasicDerivation & drv,
+        BuildMode buildMode = bmNormal) override
+    { notImpl(); }
+
+    void ensurePath(const Path & path) override
+    { notImpl(); }
+
+    void addTempRoot(const Path & path) override
+    { notImpl(); }
+
+    void addIndirectRoot(const Path & path) override
+    { notImpl(); }
+
+    void syncWithGC() override
+    { }
+
+    Roots findRoots() override
+    { notImpl(); }
+
+    void collectGarbage(const GCOptions & options, GCResults & results) override
+    { notImpl(); }
+
+    void optimiseStore() override
+    { }
+
+    bool verifyStore(bool checkContents, bool repair) override
+    { return true; }
+
+    ref<FSAccessor> getFSAccessor() override;
+
+    void addSignatures(const Path & storePath, const StringSet & sigs)
+    { notImpl(); }
+
+};
+
+}