forked from lix-project/lix
e0204f8d46
Caching path info is generally useful. For instance, it speeds up "nix path-info -rS /run/current-system" (i.e. showing the closure sizes of all paths in the closure of the current system) from 5.6s to 0.15s. This also eliminates some APIs like Store::queryDeriver() and Store::queryReferences().
111 lines
2.8 KiB
C++
111 lines
2.8 KiB
C++
#pragma once
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#include <limits>
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#include <string>
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#include "store-api.hh"
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namespace nix {
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class Pipe;
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class Pid;
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struct FdSink;
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struct FdSource;
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template<typename T> class Pool;
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/* FIXME: RemoteStore is a misnomer - should be something like
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DaemonStore. */
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class RemoteStore : public LocalFSStore
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{
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public:
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RemoteStore(size_t maxConnections = std::numeric_limits<size_t>::max());
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/* Implementations of abstract store API methods. */
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bool isValidPathUncached(const Path & path) override;
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PathSet queryValidPaths(const PathSet & paths) override;
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PathSet queryAllValidPaths() override;
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std::shared_ptr<ValidPathInfo> queryPathInfoUncached(const Path & path) override;
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void queryReferrers(const Path & path, PathSet & referrers) override;
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PathSet queryValidDerivers(const Path & path) override;
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PathSet queryDerivationOutputs(const Path & path) override;
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StringSet queryDerivationOutputNames(const Path & path) override;
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Path queryPathFromHashPart(const string & hashPart) override;
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PathSet querySubstitutablePaths(const PathSet & paths) override;
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void querySubstitutablePathInfos(const PathSet & paths,
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SubstitutablePathInfos & infos) override;
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Path addToStore(const string & name, const Path & srcPath,
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bool recursive = true, HashType hashAlgo = htSHA256,
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PathFilter & filter = defaultPathFilter, bool repair = false) override;
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Path addTextToStore(const string & name, const string & s,
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const PathSet & references, bool repair = false) override;
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void exportPath(const Path & path, bool sign,
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Sink & sink) override;
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Paths importPaths(bool requireSignature, Source & source,
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std::shared_ptr<FSAccessor> accessor) override;
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void buildPaths(const PathSet & paths, BuildMode buildMode) override;
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BuildResult buildDerivation(const Path & drvPath, const BasicDerivation & drv,
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BuildMode buildMode) override;
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void ensurePath(const Path & path) override;
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void addTempRoot(const Path & path) override;
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void addIndirectRoot(const Path & path) override;
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void syncWithGC() override;
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Roots findRoots() override;
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void collectGarbage(const GCOptions & options, GCResults & results) override;
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void optimiseStore() override;
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bool verifyStore(bool checkContents, bool repair) override;
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void addSignatures(const Path & storePath, const StringSet & sigs) override;
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private:
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struct Connection
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{
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AutoCloseFD fd;
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FdSink to;
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FdSource from;
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unsigned int daemonVersion;
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~Connection();
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void processStderr(Sink * sink = 0, Source * source = 0);
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};
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ref<Pool<Connection>> connections;
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ref<Connection> openConnection();
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void setOptions(ref<Connection> conn);
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};
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}
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