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nix/src/libstore/remote-store.hh
Eelco Dolstra 07cdfb09fb * Open the connection to the daemon lazily (on demand) so that
read-only operations (like nix-env -qa) work properly when the
  daemon isn't running.
2008-12-11 14:30:25 +00:00

95 lines
1.8 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();
Hash queryPathHash(const Path & path);
void queryReferences(const Path & path, PathSet & references);
void queryReferrers(const Path & path, PathSet & referrers);
Path queryDeriver(const Path & path);
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);
Path importPath(bool requireSignature, Source & source);
void buildDerivations(const PathSet & drvPaths);
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);
private:
AutoCloseFD fdSocket;
FdSink to;
FdSource from;
Pid child;
unsigned int daemonVersion;
bool initialised;
void openConnection();
void processStderr(Sink * sink = 0, Source * source = 0);
void forkSlave();
void connectToDaemon();
void setOptions();
};
}
#endif /* !__REMOTE_STORE_H */