1
1
Fork 0
mirror of https://github.com/NixOS/nix.git synced 2025-11-14 14:32:42 +01:00

Rename Buildable

This commit is contained in:
John Ericson 2021-04-05 09:48:18 -04:00
parent 9dfb97c987
commit 9b805d36ac
35 changed files with 165 additions and 162 deletions

View file

@ -73,7 +73,7 @@ DerivationGoal::DerivationGoal(const StorePath & drvPath,
state = &DerivationGoal::getDerivation;
name = fmt(
"building of '%s' from .drv file",
BuildableReqFromDrv { drvPath, wantedOutputs }.to_string(worker.store));
DerivedPath::Built { drvPath, wantedOutputs }.to_string(worker.store));
trace("created");
mcExpectedBuilds = std::make_unique<MaintainCount<uint64_t>>(worker.expectedBuilds);
@ -94,7 +94,7 @@ DerivationGoal::DerivationGoal(const StorePath & drvPath, const BasicDerivation
state = &DerivationGoal::haveDerivation;
name = fmt(
"building of '%s' from in-memory derivation",
BuildableReqFromDrv { drvPath, drv.outputNames() }.to_string(worker.store));
DerivedPath::Built { drvPath, drv.outputNames() }.to_string(worker.store));
trace("created");
mcExpectedBuilds = std::make_unique<MaintainCount<uint64_t>>(worker.expectedBuilds);

View file

@ -6,17 +6,17 @@
namespace nix {
void Store::buildPaths(const std::vector<BuildableReq> & reqs, BuildMode buildMode)
void Store::buildPaths(const std::vector<DerivedPath> & reqs, BuildMode buildMode)
{
Worker worker(*this);
Goals goals;
for (auto & br : reqs) {
std::visit(overloaded {
[&](BuildableReqFromDrv bfd) {
[&](DerivedPath::Built bfd) {
goals.insert(worker.makeDerivationGoal(bfd.drvPath, bfd.outputs, buildMode));
},
[&](BuildableOpaque bo) {
[&](DerivedPath::Opaque bo) {
goals.insert(worker.makePathSubstitutionGoal(bo.path, buildMode == bmRepair ? Repair : NoRepair));
},
}, br.raw());

View file

@ -1191,20 +1191,20 @@ void LocalDerivationGoal::writeStructuredAttrs()
}
static StorePath pathPartOfReq(const BuildableReq & req)
static StorePath pathPartOfReq(const DerivedPath & req)
{
return std::visit(overloaded {
[&](BuildableOpaque bo) {
[&](DerivedPath::Opaque bo) {
return bo.path;
},
[&](BuildableReqFromDrv bfd) {
[&](DerivedPath::Built bfd) {
return bfd.drvPath;
},
}, req.raw());
}
bool LocalDerivationGoal::isAllowed(const BuildableReq & req)
bool LocalDerivationGoal::isAllowed(const DerivedPath & req)
{
return this->isAllowed(pathPartOfReq(req));
}
@ -1332,7 +1332,7 @@ struct RestrictedStore : public virtual RestrictedStoreConfig, public virtual Lo
// an allowed derivation
{ throw Error("queryRealisation"); }
void buildPaths(const std::vector<BuildableReq> & paths, BuildMode buildMode) override
void buildPaths(const std::vector<DerivedPath> & paths, BuildMode buildMode) override
{
if (buildMode != bmNormal) throw Error("unsupported build mode");
@ -1346,7 +1346,7 @@ struct RestrictedStore : public virtual RestrictedStoreConfig, public virtual Lo
next->buildPaths(paths, buildMode);
for (auto & path : paths) {
auto p = std::get_if<BuildableReqFromDrv>(&path);
auto p = std::get_if<DerivedPath::Built>(&path);
if (!p) continue;
auto & bfd = *p;
auto outputs = next->queryDerivationOutputMap(bfd.drvPath);
@ -1380,7 +1380,7 @@ struct RestrictedStore : public virtual RestrictedStoreConfig, public virtual Lo
void addSignatures(const StorePath & storePath, const StringSet & sigs) override
{ unsupported("addSignatures"); }
void queryMissing(const std::vector<BuildableReq> & targets,
void queryMissing(const std::vector<DerivedPath> & targets,
StorePathSet & willBuild, StorePathSet & willSubstitute, StorePathSet & unknown,
uint64_t & downloadSize, uint64_t & narSize) override
{
@ -1388,7 +1388,7 @@ struct RestrictedStore : public virtual RestrictedStoreConfig, public virtual Lo
client about what paths will be built/substituted or are
already present. Probably not a big deal. */
std::vector<BuildableReq> allowed;
std::vector<DerivedPath> allowed;
for (auto & req : targets) {
if (goal.isAllowed(req))
allowed.emplace_back(req);

View file

@ -116,7 +116,7 @@ struct LocalDerivationGoal : public DerivationGoal
{
return inputPaths.count(path) || addedPaths.count(path);
}
bool isAllowed(const BuildableReq & req);
bool isAllowed(const DerivedPath & req);
friend struct RestrictedStore;

View file

@ -226,14 +226,14 @@ void Worker::waitForAWhile(GoalPtr goal)
void Worker::run(const Goals & _topGoals)
{
std::vector<nix::BuildableReq> topPaths;
std::vector<nix::DerivedPath> topPaths;
for (auto & i : _topGoals) {
topGoals.insert(i);
if (auto goal = dynamic_cast<DerivationGoal *>(i.get())) {
topPaths.push_back(BuildableReqFromDrv{goal->drvPath, goal->wantedOutputs});
topPaths.push_back(DerivedPath::Built{goal->drvPath, goal->wantedOutputs});
} else if (auto goal = dynamic_cast<PathSubstitutionGoal *>(i.get())) {
topPaths.push_back(BuildableOpaque{goal->storePath});
topPaths.push_back(DerivedPath::Opaque{goal->storePath});
}
}

View file

@ -5,13 +5,13 @@
namespace nix {
nlohmann::json BuildableOpaque::toJSON(ref<Store> store) const {
nlohmann::json DerivedPath::Opaque::toJSON(ref<Store> store) const {
nlohmann::json res;
res["path"] = store->printStorePath(path);
return res;
}
nlohmann::json BuildableFromDrv::toJSON(ref<Store> store) const {
nlohmann::json DerivedPathWithHintsBuilt::toJSON(ref<Store> store) const {
nlohmann::json res;
res["drvPath"] = store->printStorePath(drvPath);
for (const auto& [output, path] : outputs) {
@ -20,9 +20,9 @@ nlohmann::json BuildableFromDrv::toJSON(ref<Store> store) const {
return res;
}
nlohmann::json buildablesToJSON(const Buildables & buildables, ref<Store> store) {
nlohmann::json derivedPathsWithHintsToJSON(const DerivedPathsWithHints & buildables, ref<Store> store) {
auto res = nlohmann::json::array();
for (const Buildable & buildable : buildables) {
for (const DerivedPathWithHints & buildable : buildables) {
std::visit([&res, store](const auto & buildable) {
res.push_back(buildable.toJSON(store));
}, buildable);
@ -31,17 +31,17 @@ nlohmann::json buildablesToJSON(const Buildables & buildables, ref<Store> store)
}
std::string BuildableOpaque::to_string(const Store & store) const {
std::string DerivedPath::Opaque::to_string(const Store & store) const {
return store.printStorePath(path);
}
std::string BuildableReqFromDrv::to_string(const Store & store) const {
std::string DerivedPath::Built::to_string(const Store & store) const {
return store.printStorePath(drvPath)
+ "!"
+ (outputs.empty() ? std::string { "*" } : concatStringsSep(",", outputs));
}
std::string BuildableReq::to_string(const Store & store) const
std::string DerivedPath::to_string(const Store & store) const
{
return std::visit(
[&](const auto & req) { return req.to_string(store); },
@ -49,12 +49,12 @@ std::string BuildableReq::to_string(const Store & store) const
}
BuildableOpaque BuildableOpaque::parse(const Store & store, std::string_view s)
DerivedPath::Opaque DerivedPath::Opaque::parse(const Store & store, std::string_view s)
{
return {store.parseStorePath(s)};
}
BuildableReqFromDrv BuildableReqFromDrv::parse(const Store & store, std::string_view s)
DerivedPath::Built DerivedPath::Built::parse(const Store & store, std::string_view s)
{
size_t n = s.find("!");
assert(n != s.npos);
@ -66,12 +66,12 @@ BuildableReqFromDrv BuildableReqFromDrv::parse(const Store & store, std::string_
return {drvPath, outputs};
}
BuildableReq BuildableReq::parse(const Store & store, std::string_view s)
DerivedPath DerivedPath::parse(const Store & store, std::string_view s)
{
size_t n = s.find("!");
return n == s.npos
? (BuildableReq) BuildableOpaque::parse(store, s)
: (BuildableReq) BuildableReqFromDrv::parse(store, s);
? (DerivedPath) DerivedPath::Opaque::parse(store, s)
: (DerivedPath) DerivedPath::Built::parse(store, s);
}
}

View file

@ -12,54 +12,57 @@ namespace nix {
class Store;
struct BuildableOpaque {
struct DerivedPathOpaque {
StorePath path;
nlohmann::json toJSON(ref<Store> store) const;
std::string to_string(const Store & store) const;
static BuildableOpaque parse(const Store & store, std::string_view);
static DerivedPathOpaque parse(const Store & store, std::string_view);
};
struct BuildableReqFromDrv {
struct DerivedPathBuilt {
StorePath drvPath;
std::set<std::string> outputs;
std::string to_string(const Store & store) const;
static BuildableReqFromDrv parse(const Store & store, std::string_view);
static DerivedPathBuilt parse(const Store & store, std::string_view);
};
using _BuildableReqRaw = std::variant<
BuildableOpaque,
BuildableReqFromDrv
using _DerivedPathRaw = std::variant<
DerivedPathOpaque,
DerivedPathBuilt
>;
struct BuildableReq : _BuildableReqRaw {
using Raw = _BuildableReqRaw;
struct DerivedPath : _DerivedPathRaw {
using Raw = _DerivedPathRaw;
using Raw::Raw;
using Opaque = DerivedPathOpaque;
using Built = DerivedPathBuilt;
inline const Raw & raw() const {
return static_cast<const Raw &>(*this);
}
std::string to_string(const Store & store) const;
static BuildableReq parse(const Store & store, std::string_view);
static DerivedPath parse(const Store & store, std::string_view);
};
struct BuildableFromDrv {
struct DerivedPathWithHintsBuilt {
StorePath drvPath;
std::map<std::string, std::optional<StorePath>> outputs;
nlohmann::json toJSON(ref<Store> store) const;
static BuildableFromDrv parse(const Store & store, std::string_view);
static DerivedPathWithHintsBuilt parse(const Store & store, std::string_view);
};
using Buildable = std::variant<
BuildableOpaque,
BuildableFromDrv
using DerivedPathWithHints = std::variant<
DerivedPath::Opaque,
DerivedPathWithHintsBuilt
>;
typedef std::vector<Buildable> Buildables;
typedef std::vector<DerivedPathWithHints> DerivedPathsWithHints;
nlohmann::json buildablesToJSON(const Buildables & buildables, ref<Store> store);
nlohmann::json derivedPathsWithHintsToJSON(const DerivedPathsWithHints & buildables, ref<Store> store);
}

View file

@ -260,14 +260,14 @@ static void writeValidPathInfo(
}
}
static std::vector<BuildableReq> readBuildableReqs(Store & store, unsigned int clientVersion, Source & from)
static std::vector<DerivedPath> readDerivedPaths(Store & store, unsigned int clientVersion, Source & from)
{
std::vector<BuildableReq> reqs;
std::vector<DerivedPath> reqs;
if (GET_PROTOCOL_MINOR(clientVersion) >= 29) {
reqs = worker_proto::read(store, from, Phantom<std::vector<BuildableReq>> {});
reqs = worker_proto::read(store, from, Phantom<std::vector<DerivedPath>> {});
} else {
for (auto & s : readStrings<Strings>(from))
reqs.push_back(parsePathWithOutputs(store, s).toBuildableReq());
reqs.push_back(parsePathWithOutputs(store, s).toDerivedPath());
}
return reqs;
}
@ -506,7 +506,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case wopBuildPaths: {
auto drvs = readBuildableReqs(*store, clientVersion, from);
auto drvs = readDerivedPaths(*store, clientVersion, from);
BuildMode mode = bmNormal;
if (GET_PROTOCOL_MINOR(clientVersion) >= 15) {
mode = (BuildMode) readInt(from);
@ -870,7 +870,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case wopQueryMissing: {
auto targets = readBuildableReqs(*store, clientVersion, from);
auto targets = readDerivedPaths(*store, clientVersion, from);
logger->startWork();
StorePathSet willBuild, willSubstitute, unknown;
uint64_t downloadSize, narSize;

View file

@ -267,14 +267,14 @@ public:
return status;
}
void buildPaths(const std::vector<BuildableReq> & drvPaths, BuildMode buildMode) override
void buildPaths(const std::vector<DerivedPath> & drvPaths, BuildMode buildMode) override
{
auto conn(connections->get());
conn->to << cmdBuildPaths;
Strings ss;
for (auto & p : drvPaths) {
auto sOrDrvPath = StorePathWithOutputs::tryFromBuildableReq(p);
auto sOrDrvPath = StorePathWithOutputs::tryFromDerivedPath(p);
std::visit(overloaded {
[&](StorePathWithOutputs s) {
ss.push_back(s.to_string(*this));

View file

@ -117,7 +117,7 @@ std::optional<ContentAddress> getDerivationCA(const BasicDerivation & drv)
return std::nullopt;
}
void Store::queryMissing(const std::vector<BuildableReq> & targets,
void Store::queryMissing(const std::vector<DerivedPath> & targets,
StorePathSet & willBuild_, StorePathSet & willSubstitute_, StorePathSet & unknown_,
uint64_t & downloadSize_, uint64_t & narSize_)
{
@ -145,7 +145,7 @@ void Store::queryMissing(const std::vector<BuildableReq> & targets,
Sync<State> state_(State{{}, unknown_, willSubstitute_, willBuild_, downloadSize_, narSize_});
std::function<void(BuildableReq)> doPath;
std::function<void(DerivedPath)> doPath;
auto mustBuildDrv = [&](const StorePath & drvPath, const Derivation & drv) {
{
@ -154,7 +154,7 @@ void Store::queryMissing(const std::vector<BuildableReq> & targets,
}
for (auto & i : drv.inputDrvs)
pool.enqueue(std::bind(doPath, BuildableReqFromDrv { i.first, i.second }));
pool.enqueue(std::bind(doPath, DerivedPath::Built { i.first, i.second }));
};
auto checkOutput = [&](
@ -177,13 +177,13 @@ void Store::queryMissing(const std::vector<BuildableReq> & targets,
drvState->outPaths.insert(outPath);
if (!drvState->left) {
for (auto & path : drvState->outPaths)
pool.enqueue(std::bind(doPath, BuildableOpaque { path } ));
pool.enqueue(std::bind(doPath, DerivedPath::Opaque { path } ));
}
}
}
};
doPath = [&](const BuildableReq & req) {
doPath = [&](const DerivedPath & req) {
{
auto state(state_.lock());
@ -191,7 +191,7 @@ void Store::queryMissing(const std::vector<BuildableReq> & targets,
}
std::visit(overloaded {
[&](BuildableReqFromDrv bfd) {
[&](DerivedPath::Built bfd) {
if (!isValidPath(bfd.drvPath)) {
// FIXME: we could try to substitute the derivation.
auto state(state_.lock());
@ -224,7 +224,7 @@ void Store::queryMissing(const std::vector<BuildableReq> & targets,
mustBuildDrv(bfd.drvPath, *drv);
},
[&](BuildableOpaque bo) {
[&](DerivedPath::Opaque bo) {
if (isValidPath(bo.path)) return;
@ -248,7 +248,7 @@ void Store::queryMissing(const std::vector<BuildableReq> & targets,
}
for (auto & ref : info->second.references)
pool.enqueue(std::bind(doPath, BuildableOpaque { ref }));
pool.enqueue(std::bind(doPath, DerivedPath::Opaque { ref }));
},
}, req.raw());
};

View file

@ -11,34 +11,34 @@ std::string StorePathWithOutputs::to_string(const Store & store) const
}
BuildableReq StorePathWithOutputs::toBuildableReq() const
DerivedPath StorePathWithOutputs::toDerivedPath() const
{
if (!outputs.empty() || path.isDerivation())
return BuildableReqFromDrv { path, outputs };
return DerivedPath::Built { path, outputs };
else
return BuildableOpaque { path };
return DerivedPath::Opaque { path };
}
std::vector<BuildableReq> toBuildableReqs(const std::vector<StorePathWithOutputs> ss)
std::vector<DerivedPath> toDerivedPaths(const std::vector<StorePathWithOutputs> ss)
{
std::vector<BuildableReq> reqs;
for (auto & s : ss) reqs.push_back(s.toBuildableReq());
std::vector<DerivedPath> reqs;
for (auto & s : ss) reqs.push_back(s.toDerivedPath());
return reqs;
}
std::variant<StorePathWithOutputs, StorePath> StorePathWithOutputs::tryFromBuildableReq(const BuildableReq & p)
std::variant<StorePathWithOutputs, StorePath> StorePathWithOutputs::tryFromDerivedPath(const DerivedPath & p)
{
return std::visit(overloaded {
[&](BuildableOpaque bo) -> std::variant<StorePathWithOutputs, StorePath> {
[&](DerivedPath::Opaque bo) -> std::variant<StorePathWithOutputs, StorePath> {
if (bo.path.isDerivation()) {
// drv path gets interpreted as "build", not "get drv file itself"
return bo.path;
}
return StorePathWithOutputs { bo.path };
},
[&](BuildableReqFromDrv bfd) -> std::variant<StorePathWithOutputs, StorePath> {
[&](DerivedPath::Built bfd) -> std::variant<StorePathWithOutputs, StorePath> {
return StorePathWithOutputs { bfd.drvPath, bfd.outputs };
},
}, p.raw());

View file

@ -14,12 +14,12 @@ struct StorePathWithOutputs
std::string to_string(const Store & store) const;
BuildableReq toBuildableReq() const;
DerivedPath toDerivedPath() const;
static std::variant<StorePathWithOutputs, StorePath> tryFromBuildableReq(const BuildableReq &);
static std::variant<StorePathWithOutputs, StorePath> tryFromDerivedPath(const DerivedPath &);
};
std::vector<BuildableReq> toBuildableReqs(const std::vector<StorePathWithOutputs>);
std::vector<DerivedPath> toDerivedPaths(const std::vector<StorePathWithOutputs>);
std::pair<std::string_view, StringSet> parsePathWithOutputs(std::string_view s);

View file

@ -52,13 +52,13 @@ void write(const Store & store, Sink & out, const ContentAddress & ca)
}
BuildableReq read(const Store & store, Source & from, Phantom<BuildableReq> _)
DerivedPath read(const Store & store, Source & from, Phantom<DerivedPath> _)
{
auto s = readString(from);
return BuildableReq::parse(store, s);
return DerivedPath::parse(store, s);
}
void write(const Store & store, Sink & out, const BuildableReq & req)
void write(const Store & store, Sink & out, const DerivedPath & req)
{
out << req.to_string(store);
}
@ -670,14 +670,14 @@ std::optional<const Realisation> RemoteStore::queryRealisation(const DrvOutput &
return {Realisation{.id = id, .outPath = *outPaths.begin()}};
}
static void writeBuildableReqs(RemoteStore & store, ConnectionHandle & conn, const std::vector<BuildableReq> & reqs)
static void writeDerivedPaths(RemoteStore & store, ConnectionHandle & conn, const std::vector<DerivedPath> & reqs)
{
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 29) {
worker_proto::write(store, conn->to, reqs);
} else {
Strings ss;
for (auto & p : reqs) {
auto sOrDrvPath = StorePathWithOutputs::tryFromBuildableReq(p);
auto sOrDrvPath = StorePathWithOutputs::tryFromDerivedPath(p);
std::visit(overloaded {
[&](StorePathWithOutputs s) {
ss.push_back(s.to_string(store));
@ -694,12 +694,12 @@ static void writeBuildableReqs(RemoteStore & store, ConnectionHandle & conn, con
}
}
void RemoteStore::buildPaths(const std::vector<BuildableReq> & drvPaths, BuildMode buildMode)
void RemoteStore::buildPaths(const std::vector<DerivedPath> & drvPaths, BuildMode buildMode)
{
auto conn(getConnection());
conn->to << wopBuildPaths;
assert(GET_PROTOCOL_MINOR(conn->daemonVersion) >= 13);
writeBuildableReqs(*this, conn, drvPaths);
writeDerivedPaths(*this, conn, drvPaths);
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 15)
conn->to << buildMode;
else
@ -838,7 +838,7 @@ void RemoteStore::addSignatures(const StorePath & storePath, const StringSet & s
}
void RemoteStore::queryMissing(const std::vector<BuildableReq> & targets,
void RemoteStore::queryMissing(const std::vector<DerivedPath> & targets,
StorePathSet & willBuild, StorePathSet & willSubstitute, StorePathSet & unknown,
uint64_t & downloadSize, uint64_t & narSize)
{
@ -849,7 +849,7 @@ void RemoteStore::queryMissing(const std::vector<BuildableReq> & targets,
// to prevent a deadlock.
goto fallback;
conn->to << wopQueryMissing;
writeBuildableReqs(*this, conn, targets);
writeDerivedPaths(*this, conn, targets);
conn.processStderr();
willBuild = worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
willSubstitute = worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});

View file

@ -85,7 +85,7 @@ public:
std::optional<const Realisation> queryRealisation(const DrvOutput &) override;
void buildPaths(const std::vector<BuildableReq> & paths, BuildMode buildMode) override;
void buildPaths(const std::vector<DerivedPath> & paths, BuildMode buildMode) override;
BuildResult buildDerivation(const StorePath & drvPath, const BasicDerivation & drv,
BuildMode buildMode) override;
@ -108,7 +108,7 @@ public:
void addSignatures(const StorePath & storePath, const StringSet & sigs) override;
void queryMissing(const std::vector<BuildableReq> & targets,
void queryMissing(const std::vector<DerivedPath> & targets,
StorePathSet & willBuild, StorePathSet & willSubstitute, StorePathSet & unknown,
uint64_t & downloadSize, uint64_t & narSize) override;

View file

@ -529,10 +529,10 @@ void Store::queryPathInfo(const StorePath & storePath,
void Store::substitutePaths(const StorePathSet & paths)
{
std::vector<BuildableReq> paths2;
std::vector<DerivedPath> paths2;
for (auto & path : paths)
if (!path.isDerivation())
paths2.push_back(BuildableOpaque{path});
paths2.push_back(DerivedPath::Opaque{path});
uint64_t downloadSize, narSize;
StorePathSet willBuild, willSubstitute, unknown;
queryMissing(paths2,
@ -540,8 +540,8 @@ void Store::substitutePaths(const StorePathSet & paths)
if (!willSubstitute.empty())
try {
std::vector<BuildableReq> subs;
for (auto & p : willSubstitute) subs.push_back(BuildableOpaque{p});
std::vector<DerivedPath> subs;
for (auto & p : willSubstitute) subs.push_back(DerivedPath::Opaque{p});
buildPaths(subs);
} catch (Error & e) {
logWarning(e.info());

View file

@ -494,7 +494,7 @@ public:
recursively building any sub-derivations. For inputs that are
not derivations, substitute them. */
virtual void buildPaths(
const std::vector<BuildableReq> & paths,
const std::vector<DerivedPath> & paths,
BuildMode buildMode = bmNormal);
/* Build a single non-materialized derivation (i.e. not from an
@ -656,7 +656,7 @@ public:
/* Given a set of paths that are to be built, return the set of
derivations that will be built, and the set of output paths
that will be substituted. */
virtual void queryMissing(const std::vector<BuildableReq> & targets,
virtual void queryMissing(const std::vector<DerivedPath> & targets,
StorePathSet & willBuild, StorePathSet & willSubstitute, StorePathSet & unknown,
uint64_t & downloadSize, uint64_t & narSize);

View file

@ -86,7 +86,7 @@ namespace worker_proto {
MAKE_WORKER_PROTO(, std::string);
MAKE_WORKER_PROTO(, StorePath);
MAKE_WORKER_PROTO(, ContentAddress);
MAKE_WORKER_PROTO(, BuildableReq);
MAKE_WORKER_PROTO(, DerivedPath);
MAKE_WORKER_PROTO(, Realisation);
MAKE_WORKER_PROTO(, DrvOutput);