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Use template structs instead of phantoms

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This commit is contained in:
Carlo Nucera 2020-08-06 18:04:13 -04:00
parent 3d8240c32e
commit 9ab07e99f5
8 changed files with 148 additions and 156 deletions
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61
src/libstore/remote-store.cc
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@ -22,40 +22,36 @@
namespace nix {
namespace worker_proto {
std::string read(const Store & store, Source & from, Phantom<std::string> _)
std::string WorkerProto<std::string>::read(const Store & store, Source & from)
{
return readString(from);
}
void write(const Store & store, Sink & out, const std::string & str)
void WorkerProto<std::string>::write(const Store & store, Sink & out, const std::string & str)
{
out << str;
}
StorePath read(const Store & store, Source & from, Phantom<StorePath> _)
StorePath WorkerProto<StorePath>::read(const Store & store, Source & from)
{
return store.parseStorePath(readString(from));
}
void write(const Store & store, Sink & out, const StorePath & storePath)
void WorkerProto<StorePath>::write(const Store & store, Sink & out, const StorePath & storePath)
{
out << store.printStorePath(storePath);
}
ContentAddress read(const Store & store, Source & from, Phantom<ContentAddress> _)
ContentAddress WorkerProto<ContentAddress>::read(const Store & store, Source & from)
{
return parseContentAddress(readString(from));
}
void write(const Store & store, Sink & out, const ContentAddress & ca)
void WorkerProto<ContentAddress>::write(const Store & store, Sink & out, const ContentAddress & ca)
{
out << renderContentAddress(ca);
}
}
/* TODO: Separate these store impls into different files, give them better names */
RemoteStore::RemoteStore(const Params & params)
@ -290,9 +286,9 @@ StorePathSet RemoteStore::queryValidPaths(const StorePathSet & paths, Substitute
return res;
} else {
conn->to << wopQueryValidPaths;
nix::worker_proto::write(*this, conn->to, paths);
WorkerProto<StorePathSet>::write(*this, conn->to, paths);
conn.processStderr();
return worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
return WorkerProto<StorePathSet>::read(*this, conn->from);
}
}
@ -302,7 +298,7 @@ StorePathSet RemoteStore::queryAllValidPaths()
auto conn(getConnection());
conn->to << wopQueryAllValidPaths;
conn.processStderr();
return nix::worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
return WorkerProto<StorePathSet>::read(*this, conn->from);
}
@ -319,9 +315,9 @@ StorePathSet RemoteStore::querySubstitutablePaths(const StorePathSet & paths)
return res;
} else {
conn->to << wopQuerySubstitutablePaths;
nix::worker_proto::write(*this, conn->to, paths);
WorkerProto<StorePathSet>::write(*this, conn->to, paths);
conn.processStderr();
return worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
return WorkerProto<StorePathSet>::read(*this, conn->from);
}
}
@ -343,7 +339,7 @@ void RemoteStore::querySubstitutablePathInfos(const StorePathCAMap & pathsMap, S
auto deriver = readString(conn->from);
if (deriver != "")
info.deriver = parseStorePath(deriver);
info.references = worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
info.references = WorkerProto<StorePathSet>::read(*this, conn->from);
info.downloadSize = readLongLong(conn->from);
info.narSize = readLongLong(conn->from);
infos.insert_or_assign(i.first, std::move(info));
@ -356,9 +352,9 @@ void RemoteStore::querySubstitutablePathInfos(const StorePathCAMap & pathsMap, S
StorePathSet paths;
for (auto & path : pathsMap)
paths.insert(path.first);
worker_proto::write(*this, conn->to, paths);
WorkerProto<StorePathSet>::write(*this, conn->to, paths);
} else
worker_proto::write(*this, conn->to, pathsMap);
WorkerProto<StorePathCAMap>::write(*this, conn->to, pathsMap);
conn.processStderr();
size_t count = readNum<size_t>(conn->from);
for (size_t n = 0; n < count; n++) {
@ -366,7 +362,7 @@ void RemoteStore::querySubstitutablePathInfos(const StorePathCAMap & pathsMap, S
auto deriver = readString(conn->from);
if (deriver != "")
info.deriver = parseStorePath(deriver);
info.references = worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
info.references = WorkerProto<StorePathSet>::read(*this, conn->from);
info.downloadSize = readLongLong(conn->from);
info.narSize = readLongLong(conn->from);
}
@ -399,7 +395,7 @@ void RemoteStore::queryPathInfoUncached(const StorePath & path,
auto deriver = readString(conn->from);
if (deriver != "") info->deriver = parseStorePath(deriver);
info->narHash = Hash::parseAny(readString(conn->from), htSHA256);
info->references = worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
info->references = WorkerProto<StorePathSet>::read(*this, conn->from);
conn->from >> info->registrationTime >> info->narSize;
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 16) {
conn->from >> info->ultimate;
@ -418,7 +414,7 @@ void RemoteStore::queryReferrers(const StorePath & path,
auto conn(getConnection());
conn->to << wopQueryReferrers << printStorePath(path);
conn.processStderr();
for (auto & i : worker_proto::read(*this, conn->from, Phantom<StorePathSet> {}))
for (auto & i : WorkerProto<StorePathSet>::read(*this, conn->from))
referrers.insert(i);
}
@ -428,7 +424,7 @@ StorePathSet RemoteStore::queryValidDerivers(const StorePath & path)
auto conn(getConnection());
conn->to << wopQueryValidDerivers << printStorePath(path);
conn.processStderr();
return worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
return WorkerProto<StorePathSet>::read(*this, conn->from);
}
@ -440,7 +436,7 @@ StorePathSet RemoteStore::queryDerivationOutputs(const StorePath & path)
}
conn->to << wopQueryDerivationOutputs << printStorePath(path);
conn.processStderr();
return worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
return WorkerProto<StorePathSet>::read(*this, conn->from);
}
@ -449,8 +445,7 @@ std::map<std::string, std::optional<StorePath>> RemoteStore::queryDerivationOutp
auto conn(getConnection());
conn->to << wopQueryDerivationOutputMap << printStorePath(path);
conn.processStderr();
return worker_proto::read(*this, conn->from, Phantom<std::map<std::string, std::optional<StorePath>>> {});
return WorkerProto<std::map<std::string, std::optional<StorePath>>>::read(*this, conn->from);
}
std::optional<StorePath> RemoteStore::queryPathFromHashPart(const std::string & hashPart)
@ -479,7 +474,7 @@ void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
sink
<< exportMagic
<< printStorePath(info.path);
worker_proto::write(*this, sink, info.references);
WorkerProto<StorePathSet>::write(*this, sink, info.references);
sink
<< (info.deriver ? printStorePath(*info.deriver) : "")
<< 0 // == no legacy signature
@ -489,7 +484,7 @@ void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
conn.processStderr(0, source2.get());
auto importedPaths = worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
auto importedPaths = WorkerProto<StorePathSet>::read(*this, conn->from);
assert(importedPaths.size() <= 1);
}
@ -498,7 +493,7 @@ void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
<< printStorePath(info.path)
<< (info.deriver ? printStorePath(*info.deriver) : "")
<< info.narHash->to_string(Base16, false);
worker_proto::write(*this, conn->to, info.references);
WorkerProto<StorePathSet>::write(*this, conn->to, info.references);
conn->to << info.registrationTime << info.narSize
<< info.ultimate << info.sigs << renderContentAddress(info.ca)
<< repair << !checkSigs;
@ -631,7 +626,7 @@ StorePath RemoteStore::addTextToStore(const string & name, const string & s,
auto conn(getConnection());
conn->to << wopAddTextToStore << name << s;
worker_proto::write(*this, conn->to, references);
WorkerProto<StorePathSet>::write(*this, conn->to, references);
conn.processStderr();
return parseStorePath(readString(conn->from));
@ -733,7 +728,7 @@ void RemoteStore::collectGarbage(const GCOptions & options, GCResults & results)
conn->to
<< wopCollectGarbage << options.action;
worker_proto::write(*this, conn->to, options.pathsToDelete);
WorkerProto<StorePathSet>::write(*this, conn->to, options.pathsToDelete);
conn->to << options.ignoreLiveness
<< options.maxFreed
/* removed options */
@ -795,9 +790,9 @@ void RemoteStore::queryMissing(const std::vector<StorePathWithOutputs> & targets
ss.push_back(p.to_string(*this));
conn->to << ss;
conn.processStderr();
willBuild = worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
willSubstitute = worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
unknown = worker_proto::read(*this, conn->from, Phantom<StorePathSet> {});
willBuild = WorkerProto<StorePathSet>::read(*this, conn->from);
willSubstitute = WorkerProto<StorePathSet>::read(*this, conn->from);
unknown = WorkerProto<StorePathSet>::read(*this, conn->from);
conn->from >> downloadSize >> narSize;
return;
}