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
#include "lix/libcmd/command.hh"
#include "lix/libmain/shared.hh"
#include "lix/libstore/store-api.hh"
#include "lix/libutil/finally.hh"
#include "lix/libutil/json.hh"
#include "ping-store.hh"

namespace nix {

struct CmdPingStore : StoreCommand, MixJSON
{
    std::string description() override
    {
        return "test whether a store can be accessed";
    }

    std::string doc() override
    {
        return
          #include "ping-store.md"
          ;
    }

    void run(ref<Store> store) override
    {
        if (!json) {
            notice("Store URL: %s", store->getUri());
            aio().blockOn(store->connect());
            if (auto version = aio().blockOn(store->getVersion()))
                notice("Version: %s", *version);
            if (auto trusted = aio().blockOn(store->isTrustedClient()))
                notice("Trusted: %s", *trusted);
        } else {
            JSON res;
            Finally printRes([&]() {
                logger->cout("%s", res);
            });

            res["url"] = store->getUri();
            aio().blockOn(store->connect());
            if (auto version = aio().blockOn(store->getVersion()))
                res["version"] = *version;
            if (auto trusted = aio().blockOn(store->isTrustedClient()))
                res["trusted"] = *trusted;
        }
    }
};

void registerNixStorePing()
{
    registerCommand2<CmdPingStore>({"store", "ping"});
}

}