forked from lix-project/lix
ccc52adfb2
To implement binary caches efficiently, Hydra needs to be able to map the hash part of a store path (e.g. "gbg...zr7") to the full store path (e.g. "/nix/store/gbg...kzr7-subversion-1.7.5"). (The binary cache mechanism uses hash parts as a key for looking up store paths to ensure privacy.) However, doing a search in the Nix store for /nix/store/<hash>* is expensive since it requires reading the entire directory. queryPathFromHashPart() prevents this by doing a cheap database lookup.
107 lines
2.1 KiB
C++
107 lines
2.1 KiB
C++
#ifndef __REMOTE_STORE_H
|
|
#define __REMOTE_STORE_H
|
|
|
|
#include <string>
|
|
|
|
#include "store-api.hh"
|
|
|
|
|
|
namespace nix {
|
|
|
|
|
|
class Pipe;
|
|
class Pid;
|
|
struct FdSink;
|
|
struct FdSource;
|
|
|
|
|
|
class RemoteStore : public StoreAPI
|
|
{
|
|
public:
|
|
|
|
RemoteStore();
|
|
|
|
~RemoteStore();
|
|
|
|
/* Implementations of abstract store API methods. */
|
|
|
|
bool isValidPath(const Path & path);
|
|
|
|
PathSet queryValidPaths();
|
|
|
|
ValidPathInfo queryPathInfo(const Path & path);
|
|
|
|
Hash queryPathHash(const Path & path);
|
|
|
|
void queryReferences(const Path & path, PathSet & references);
|
|
|
|
void queryReferrers(const Path & path, PathSet & referrers);
|
|
|
|
Path queryDeriver(const Path & path);
|
|
|
|
PathSet queryDerivationOutputs(const Path & path);
|
|
|
|
StringSet queryDerivationOutputNames(const Path & path);
|
|
|
|
Path queryPathFromHashPart(const string & hashPart);
|
|
|
|
bool hasSubstitutes(const Path & path);
|
|
|
|
bool querySubstitutablePathInfo(const Path & path,
|
|
SubstitutablePathInfo & info);
|
|
|
|
Path addToStore(const Path & srcPath,
|
|
bool recursive = true, HashType hashAlgo = htSHA256,
|
|
PathFilter & filter = defaultPathFilter);
|
|
|
|
Path addTextToStore(const string & name, const string & s,
|
|
const PathSet & references);
|
|
|
|
void exportPath(const Path & path, bool sign,
|
|
Sink & sink);
|
|
|
|
Paths importPaths(bool requireSignature, Source & source);
|
|
|
|
void buildPaths(const PathSet & paths);
|
|
|
|
void ensurePath(const Path & path);
|
|
|
|
void addTempRoot(const Path & path);
|
|
|
|
void addIndirectRoot(const Path & path);
|
|
|
|
void syncWithGC();
|
|
|
|
Roots findRoots();
|
|
|
|
void collectGarbage(const GCOptions & options, GCResults & results);
|
|
|
|
PathSet queryFailedPaths();
|
|
|
|
void clearFailedPaths(const PathSet & paths);
|
|
|
|
private:
|
|
AutoCloseFD fdSocket;
|
|
FdSink to;
|
|
FdSource from;
|
|
Pid child;
|
|
unsigned int daemonVersion;
|
|
bool initialised;
|
|
|
|
void openConnection(bool reserveSpace = true);
|
|
|
|
void processStderr(Sink * sink = 0, Source * source = 0);
|
|
|
|
void forkSlave();
|
|
|
|
void connectToDaemon();
|
|
|
|
void setOptions();
|
|
};
|
|
|
|
|
|
}
|
|
|
|
|
|
#endif /* !__REMOTE_STORE_H */
|