diff options
Diffstat (limited to 'src/libstore/local-store.hh')
| -rw-r--r-- | src/libstore/local-store.hh | 177 |
1 files changed, 63 insertions, 114 deletions
diff --git a/src/libstore/local-store.hh b/src/libstore/local-store.hh index a96000d9fbeb..14ff92c35cc5 100644 --- a/src/libstore/local-store.hh +++ b/src/libstore/local-store.hh @@ -1,15 +1,14 @@ #pragma once -#include <string> -#include <unordered_set> +#include "sqlite.hh" +#include "pathlocks.hh" #include "store-api.hh" +#include "sync.hh" #include "util.hh" -#include "pathlocks.hh" - -class sqlite3; -class sqlite3_stmt; +#include <string> +#include <unordered_set> namespace nix { @@ -18,8 +17,8 @@ namespace nix { /* Nix store and database schema version. Version 1 (or 0) was Nix <= 0.7. Version 2 was Nix 0.8 and 0.9. Version 3 is Nix 0.10. Version 4 is Nix 0.11. Version 5 is Nix 0.12-0.16. Version 6 is - Nix 1.0. Version 7 is Nix 1.3. */ -const int nixSchemaVersion = 7; + Nix 1.0. Version 7 is Nix 1.3. Version 9 is 1.12. */ +const int nixSchemaVersion = 9; extern string drvsLogDir; @@ -52,47 +51,52 @@ struct RunningSubstituter }; -/* Wrapper object to close the SQLite database automatically. */ -struct SQLite -{ - sqlite3 * db; - SQLite() { db = 0; } - ~SQLite(); - operator sqlite3 * () { return db; } -}; - - -/* Wrapper object to create and destroy SQLite prepared statements. */ -struct SQLiteStmt -{ - sqlite3 * db; - sqlite3_stmt * stmt; - unsigned int curArg; - SQLiteStmt() { stmt = 0; } - void create(sqlite3 * db, const string & s); - void reset(); - ~SQLiteStmt(); - operator sqlite3_stmt * () { return stmt; } - void bind(const string & value); - void bind(int value); - void bind64(long long value); - void bind(); -}; - - -class LocalStore : public Store +class LocalStore : public LocalFSStore { private: - typedef std::map<Path, RunningSubstituter> RunningSubstituters; - RunningSubstituters runningSubstituters; - Path linksDir; + /* Lock file used for upgrading. */ + AutoCloseFD globalLock; + + struct State + { + /* The SQLite database object. */ + SQLite db; + + /* Some precompiled SQLite statements. */ + SQLiteStmt stmtRegisterValidPath; + SQLiteStmt stmtUpdatePathInfo; + SQLiteStmt stmtAddReference; + SQLiteStmt stmtQueryPathInfo; + SQLiteStmt stmtQueryReferences; + SQLiteStmt stmtQueryReferrers; + SQLiteStmt stmtInvalidatePath; + SQLiteStmt stmtAddDerivationOutput; + SQLiteStmt stmtQueryValidDerivers; + SQLiteStmt stmtQueryDerivationOutputs; + SQLiteStmt stmtQueryPathFromHashPart; + SQLiteStmt stmtQueryValidPaths; + + /* The file to which we write our temporary roots. */ + Path fnTempRoots; + AutoCloseFD fdTempRoots; + + typedef std::map<Path, RunningSubstituter> RunningSubstituters; + RunningSubstituters runningSubstituters; + + }; + + Sync<State, std::recursive_mutex> _state; + + const Path linksDir; + const Path reservedPath; + const Path schemaPath; public: /* Initialise the local store, upgrading the schema if necessary. */ - LocalStore(bool reserveSpace = true); + LocalStore(); ~LocalStore(); @@ -145,7 +149,8 @@ public: void exportPath(const Path & path, bool sign, Sink & sink) override; - Paths importPaths(bool requireSignature, Source & source) override; + Paths importPaths(bool requireSignature, Source & source, + std::shared_ptr<FSAccessor> accessor) override; void buildPaths(const PathSet & paths, BuildMode buildMode) override; @@ -168,14 +173,11 @@ public: files with the same contents. */ void optimiseStore(OptimiseStats & stats); - /* Generic variant of the above method. */ void optimiseStore() override; /* Optimise a single store path. */ void optimisePath(const Path & path); - /* Check the integrity of the Nix store. Returns true if errors - remain. */ bool verifyStore(bool checkContents, bool repair) override; /* Register the validity of a path, i.e., that `path' exists, that @@ -188,90 +190,31 @@ public: void registerValidPaths(const ValidPathInfos & infos); - /* Register that the build of a derivation with output `path' has - failed. */ - void registerFailedPath(const Path & path); - - /* Query whether `path' previously failed to build. */ - bool hasPathFailed(const Path & path); - - PathSet queryFailedPaths() override; - - void clearFailedPaths(const PathSet & paths) override; - void vacuumDB(); /* Repair the contents of the given path by redownloading it using a substituter (if available). */ void repairPath(const Path & path); - /* Check whether the given valid path exists and has the right - contents. */ - bool pathContentsGood(const Path & path); - - void markContentsGood(const Path & path); - void setSubstituterEnv(); -private: - - Path schemaPath; - - /* Lock file used for upgrading. */ - AutoCloseFD globalLock; - - /* The SQLite database object. */ - SQLite db; - - /* Some precompiled SQLite statements. */ - SQLiteStmt stmtRegisterValidPath; - SQLiteStmt stmtUpdatePathInfo; - SQLiteStmt stmtAddReference; - SQLiteStmt stmtQueryPathInfo; - SQLiteStmt stmtQueryReferences; - SQLiteStmt stmtQueryReferrers; - SQLiteStmt stmtInvalidatePath; - SQLiteStmt stmtRegisterFailedPath; - SQLiteStmt stmtHasPathFailed; - SQLiteStmt stmtQueryFailedPaths; - SQLiteStmt stmtClearFailedPath; - SQLiteStmt stmtAddDerivationOutput; - SQLiteStmt stmtQueryValidDerivers; - SQLiteStmt stmtQueryDerivationOutputs; - SQLiteStmt stmtQueryPathFromHashPart; - - /* Cache for pathContentsGood(). */ - std::map<Path, bool> pathContentsGoodCache; - - bool didSetSubstituterEnv; - - /* The file to which we write our temporary roots. */ - Path fnTempRoots; - AutoCloseFD fdTempRoots; - - int getSchema(); - -public: + void addSignatures(const Path & storePath, const StringSet & sigs) override; static bool haveWriteAccess(); private: - void openDB(bool create); - - void makeStoreWritable(); - - unsigned long long queryValidPathId(const Path & path); + int getSchema(); - unsigned long long addValidPath(const ValidPathInfo & info, bool checkOutputs = true); + void openDB(State & state, bool create); - void addReference(unsigned long long referrer, unsigned long long reference); + void makeStoreWritable(); - void appendReferrer(const Path & from, const Path & to, bool lock); + uint64_t queryValidPathId(State & state, const Path & path); - void rewriteReferrers(const Path & path, bool purge, PathSet referrers); + uint64_t addValidPath(State & state, const ValidPathInfo & info, bool checkOutputs = true); - void invalidatePath(const Path & path); + void invalidatePath(State & state, const Path & path); /* Delete a path from the Nix store. */ void invalidatePathChecked(const Path & path); @@ -279,7 +222,7 @@ private: void verifyPath(const Path & path, const PathSet & store, PathSet & done, PathSet & validPaths, bool repair, bool & errors); - void updatePathInfo(const ValidPathInfo & info); + void updatePathInfo(State & state, const ValidPathInfo & info); void upgradeStore6(); void upgradeStore7(); @@ -327,8 +270,14 @@ private: void optimisePath_(OptimiseStats & stats, const Path & path, InodeHash & inodeHash); // Internal versions that are not wrapped in retry_sqlite. - bool isValidPath_(const Path & path); - void queryReferrers_(const Path & path, PathSet & referrers); + bool isValidPath(State & state, const Path & path); + void queryReferrers(State & state, const Path & path, PathSet & referrers); + + /* Add signatures to a ValidPathInfo using the secret keys + specified by the ‘secret-key-files’ option. */ + void signPathInfo(ValidPathInfo & info); + + friend class DerivationGoal; }; |