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Merge pull request #4833 from NixOS/ca/json-realisations-in-worker-protocol

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Always send the realisations as JSON
This commit is contained in:
Eelco Dolstra 2021-06-21 16:12:17 +02:00 committed by GitHub
commit 610baf359a
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3 changed files with 36 additions and 14 deletions
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11
src/libstore/daemon.cc
View file

@ -885,10 +885,15 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
case wopRegisterDrvOutput: {
logger->startWork();
if (GET_PROTOCOL_MINOR(clientVersion) < 31) {
auto outputId = DrvOutput::parse(readString(from));
auto outputPath = StorePath(readString(from));
store->registerDrvOutput(Realisation{
.id = outputId, .outPath = outputPath});
} else {
auto realisation = worker_proto::read(*store, from, Phantom<Realisation>());
store->registerDrvOutput(realisation);
}
logger->stopWork();
break;
}
@ -898,9 +903,15 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
auto outputId = DrvOutput::parse(readString(from));
auto info = store->queryRealisation(outputId);
logger->stopWork();
if (GET_PROTOCOL_MINOR(clientVersion) < 31) {
std::set<StorePath> outPaths;
if (info) outPaths.insert(info->outPath);
worker_proto::write(*store, to, outPaths);
} else {
std::set<Realisation> realisations;
if (info) realisations.insert(*info);
worker_proto::write(*store, to, realisations);
}
break;
}

11
src/libstore/remote-store.cc
View file

@ -653,8 +653,12 @@ void RemoteStore::registerDrvOutput(const Realisation & info)
{
auto conn(getConnection());
conn->to << wopRegisterDrvOutput;
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 31) {
conn->to << info.id.to_string();
conn->to << std::string(info.outPath.to_string());
} else {
worker_proto::write(*this, conn->to, info);
}
conn.processStderr();
}
@ -664,10 +668,17 @@ std::optional<const Realisation> RemoteStore::queryRealisation(const DrvOutput &
conn->to << wopQueryRealisation;
conn->to << id.to_string();
conn.processStderr();
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 31) {
auto outPaths = worker_proto::read(*this, conn->from, Phantom<std::set<StorePath>>{});
if (outPaths.empty())
return std::nullopt;
return {Realisation{.id = id, .outPath = *outPaths.begin()}};
} else {
auto realisations = worker_proto::read(*this, conn->from, Phantom<std::set<Realisation>>{});
if (realisations.empty())
return std::nullopt;
return *realisations.begin();
}
}
static void writeDerivedPaths(RemoteStore & store, ConnectionHandle & conn, const std::vector<DerivedPath> & reqs)

2
src/libstore/worker-protocol.hh
View file

@ -9,7 +9,7 @@ namespace nix {
#define WORKER_MAGIC_1 0x6e697863
#define WORKER_MAGIC_2 0x6478696f
#define PROTOCOL_VERSION (1 << 8 | 30)
#define PROTOCOL_VERSION (1 << 8 | 31)
#define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00)
#define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff)