about summary refs log tree commit diff
path: root/src/libstore/remote-store.hh
blob: 40f17da300d03146a83262b45b1044fc82e3aeb9 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
#pragma once

#include <limits>
#include <string>

#include "store-api.hh"


namespace nix {


class Pipe;
class Pid;
struct FdSink;
struct FdSource;
template<typename T> class Pool;


/* FIXME: RemoteStore is a misnomer - should be something like
   DaemonStore. */
class RemoteStore : public virtual Store
{
public:

    RemoteStore(const Params & params, size_t maxConnections = std::numeric_limits<size_t>::max());

    /* Implementations of abstract store API methods. */

    bool isValidPathUncached(const Path & path) override;

    PathSet queryValidPaths(const PathSet & paths) override;

    PathSet queryAllValidPaths() override;

    void queryPathInfoUncached(const Path & path,
        std::function<void(std::shared_ptr<ValidPathInfo>)> success,
        std::function<void(std::exception_ptr exc)> failure) override;

    void queryReferrers(const Path & path, PathSet & referrers) override;

    PathSet queryValidDerivers(const Path & path) override;

    PathSet queryDerivationOutputs(const Path & path) override;

    StringSet queryDerivationOutputNames(const Path & path) override;

    Path queryPathFromHashPart(const string & hashPart) override;

    PathSet querySubstitutablePaths(const PathSet & paths) override;

    void querySubstitutablePathInfos(const PathSet & paths,
        SubstitutablePathInfos & infos) override;

    void addToStore(const ValidPathInfo & info, const ref<std::string> & nar,
        bool repair, bool dontCheckSigs,
        std::shared_ptr<FSAccessor> accessor) 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 buildPaths(const PathSet & paths, BuildMode buildMode) override;

    BuildResult buildDerivation(const Path & drvPath, const BasicDerivation & drv,
        BuildMode buildMode) override;

    void ensurePath(const Path & path) override;

    void addTempRoot(const Path & path) override;

    void addIndirectRoot(const Path & path) override;

    void syncWithGC() override;

    Roots findRoots() override;

    void collectGarbage(const GCOptions & options, GCResults & results) override;

    void optimiseStore() override;

    bool verifyStore(bool checkContents, bool repair) override;

    void addSignatures(const Path & storePath, const StringSet & sigs) override;

protected:

    struct Connection
    {
        FdSink to;
        FdSource from;
        unsigned int daemonVersion;

        virtual ~Connection();

        void processStderr(Sink * sink = 0, Source * source = 0);
    };

    virtual ref<Connection> openConnection() = 0;

    void initConnection(Connection & conn);

    ref<Pool<Connection>> connections;

private:

    void setOptions(Connection & conn);
};

class UDSRemoteStore : public LocalFSStore, public RemoteStore
{
public:

    UDSRemoteStore(const Params & params, size_t maxConnections = std::numeric_limits<size_t>::max());

    std::string getUri() override;

private:

    struct Connection : RemoteStore::Connection
    {
        AutoCloseFD fd;
    };

    ref<RemoteStore::Connection> openConnection() override;
};


}