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#include "serialise.hh"
#include "path-with-outputs.hh"
#include "store-api.hh"
#include "build-result.hh"
#include "worker-protocol.hh"
#include "worker-protocol-impl.hh"
#include "archive.hh"
#include "path-info.hh"
#include <nlohmann/json.hpp>
namespace nix {
/* protocol-specific definitions */
std::optional<TrustedFlag> WorkerProto::Serialise<std::optional<TrustedFlag>>::read(const Store & store, WorkerProto::ReadConn conn)
{
auto temp = readNum<uint8_t>(conn.from);
switch (temp) {
case 0:
return std::nullopt;
case 1:
return { Trusted };
case 2:
return { NotTrusted };
default:
throw Error("Invalid trusted status from remote");
}
}
void WorkerProto::Serialise<std::optional<TrustedFlag>>::write(const Store & store, WorkerProto::WriteConn conn, const std::optional<TrustedFlag> & optTrusted)
{
if (!optTrusted)
conn.to << (uint8_t)0;
else {
switch (*optTrusted) {
case Trusted:
conn.to << (uint8_t)1;
break;
case NotTrusted:
conn.to << (uint8_t)2;
break;
default:
assert(false);
};
}
}
DerivedPath WorkerProto::Serialise<DerivedPath>::read(const Store & store, WorkerProto::ReadConn conn)
{
auto s = readString(conn.from);
if (GET_PROTOCOL_MINOR(conn.version) >= 30) {
return DerivedPath::parseLegacy(store, s);
} else {
return parsePathWithOutputs(store, s).toDerivedPath();
}
}
void WorkerProto::Serialise<DerivedPath>::write(const Store & store, WorkerProto::WriteConn conn, const DerivedPath & req)
{
if (GET_PROTOCOL_MINOR(conn.version) >= 30) {
conn.to << req.to_string_legacy(store);
} else {
auto sOrDrvPath = StorePathWithOutputs::tryFromDerivedPath(req);
std::visit(overloaded {
[&](const StorePathWithOutputs & s) {
conn.to << s.to_string(store);
},
[&](const StorePath & drvPath) {
throw Error("trying to request '%s', but daemon protocol %d.%d is too old (< 1.29) to request a derivation file",
store.printStorePath(drvPath),
GET_PROTOCOL_MAJOR(conn.version),
GET_PROTOCOL_MINOR(conn.version));
},
[&](std::monostate) {
throw Error("wanted to build a derivation that is itself a build product, but protocols do not support that. Try upgrading the Nix implementation on the other end of this connection");
},
}, sOrDrvPath);
}
}
KeyedBuildResult WorkerProto::Serialise<KeyedBuildResult>::read(const Store & store, WorkerProto::ReadConn conn)
{
auto path = WorkerProto::Serialise<DerivedPath>::read(store, conn);
auto br = WorkerProto::Serialise<BuildResult>::read(store, conn);
return KeyedBuildResult {
std::move(br),
/* .path = */ std::move(path),
};
}
void WorkerProto::Serialise<KeyedBuildResult>::write(const Store & store, WorkerProto::WriteConn conn, const KeyedBuildResult & res)
{
WorkerProto::write(store, conn, res.path);
WorkerProto::write(store, conn, static_cast<const BuildResult &>(res));
}
BuildResult WorkerProto::Serialise<BuildResult>::read(const Store & store, WorkerProto::ReadConn conn)
{
BuildResult res;
res.status = (BuildResult::Status) readInt(conn.from);
conn.from >> res.errorMsg;
if (GET_PROTOCOL_MINOR(conn.version) >= 29) {
conn.from
>> res.timesBuilt
>> res.isNonDeterministic
>> res.startTime
>> res.stopTime;
}
if (GET_PROTOCOL_MINOR(conn.version) >= 28) {
auto builtOutputs = WorkerProto::Serialise<DrvOutputs>::read(store, conn);
for (auto && [output, realisation] : builtOutputs)
res.builtOutputs.insert_or_assign(
std::move(output.outputName),
std::move(realisation));
}
return res;
}
void WorkerProto::Serialise<BuildResult>::write(const Store & store, WorkerProto::WriteConn conn, const BuildResult & res)
{
conn.to
<< res.status
<< res.errorMsg;
if (GET_PROTOCOL_MINOR(conn.version) >= 29) {
conn.to
<< res.timesBuilt
<< res.isNonDeterministic
<< res.startTime
<< res.stopTime;
}
if (GET_PROTOCOL_MINOR(conn.version) >= 28) {
DrvOutputs builtOutputs;
for (auto & [output, realisation] : res.builtOutputs)
builtOutputs.insert_or_assign(realisation.id, realisation);
WorkerProto::write(store, conn, builtOutputs);
}
}
ValidPathInfo WorkerProto::Serialise<ValidPathInfo>::read(const Store & store, ReadConn conn)
{
auto path = WorkerProto::Serialise<StorePath>::read(store, conn);
return ValidPathInfo {
std::move(path),
WorkerProto::Serialise<UnkeyedValidPathInfo>::read(store, conn),
};
}
void WorkerProto::Serialise<ValidPathInfo>::write(const Store & store, WriteConn conn, const ValidPathInfo & pathInfo)
{
WorkerProto::write(store, conn, pathInfo.path);
WorkerProto::write(store, conn, static_cast<const UnkeyedValidPathInfo &>(pathInfo));
}
UnkeyedValidPathInfo WorkerProto::Serialise<UnkeyedValidPathInfo>::read(const Store & store, ReadConn conn)
{
auto deriver = readString(conn.from);
auto narHash = Hash::parseAny(readString(conn.from), htSHA256);
UnkeyedValidPathInfo info(narHash);
if (deriver != "") info.deriver = store.parseStorePath(deriver);
info.references = WorkerProto::Serialise<StorePathSet>::read(store, conn);
conn.from >> info.registrationTime >> info.narSize;
if (GET_PROTOCOL_MINOR(conn.version) >= 16) {
conn.from >> info.ultimate;
info.sigs = readStrings<StringSet>(conn.from);
info.ca = ContentAddress::parseOpt(readString(conn.from));
}
return info;
}
void WorkerProto::Serialise<UnkeyedValidPathInfo>::write(const Store & store, WriteConn conn, const UnkeyedValidPathInfo & pathInfo)
{
conn.to
<< (pathInfo.deriver ? store.printStorePath(*pathInfo.deriver) : "")
<< pathInfo.narHash.to_string(Base16, false);
WorkerProto::write(store, conn, pathInfo.references);
conn.to << pathInfo.registrationTime << pathInfo.narSize;
if (GET_PROTOCOL_MINOR(conn.version) >= 16) {
conn.to
<< pathInfo.ultimate
<< pathInfo.sigs
<< renderContentAddress(pathInfo.ca);
}
}
}
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