diff options
Diffstat (limited to 'third_party/nix/src/libstore/rpc-store.cc')
| -rw-r--r-- | third_party/nix/src/libstore/rpc-store.cc | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/third_party/nix/src/libstore/rpc-store.cc b/third_party/nix/src/libstore/rpc-store.cc new file mode 100644 index 000000000000..6d31f1aa81d3 --- /dev/null +++ b/third_party/nix/src/libstore/rpc-store.cc @@ -0,0 +1,282 @@ +#include "rpc-store.hh" + +#include <algorithm> +#include <memory> + +#include <absl/strings/str_cat.h> +#include <absl/strings/str_format.h> +#include <google/protobuf/empty.pb.h> +#include <google/protobuf/util/time_util.h> +#include <grpcpp/create_channel.h> +#include <grpcpp/impl/codegen/async_unary_call.h> +#include <grpcpp/impl/codegen/client_context.h> +#include <grpcpp/impl/codegen/completion_queue.h> +#include <grpcpp/impl/codegen/status.h> +#include <grpcpp/impl/codegen/sync_stream.h> +#include <grpcpp/security/credentials.h> + +#include "libproto/worker.grpc.pb.h" +#include "libproto/worker.pb.h" +#include "libstore/store-api.hh" +#include "libutil/hash.hh" +#include "libutil/types.hh" + +namespace nix { + +namespace store { + +using google::protobuf::util::TimeUtil; +using grpc::ClientContext; +using nix::proto::WorkerService; + +static google::protobuf::Empty kEmpty; +static ClientContext ctx; + +proto::StorePath StorePath(const Path& path) { + proto::StorePath store_path; + store_path.set_path(path); + return store_path; +} + +template <typename T, typename U> +T FillFrom(const U& src) { + T result; + result.insert(src.begin(), src.end()); + return result; +} + +// TODO(grfn): Obviously this should go away and be replaced by StatusOr... but +// that would require refactoring the entire store api, which we don't feel like +// doing right now. We should at some point though +void SuccessOrThrow(const grpc::Status& status) { + if (!status.ok()) { + throw Error(absl::StrFormat("Rpc call failed (%d): %s ", + status.error_code(), status.error_message())); + } +} + +bool RpcStore::isValidPathUncached(const Path& path) { + proto::IsValidPathResponse resp; + SuccessOrThrow(stub_->IsValidPath(&ctx, StorePath(path), &resp)); + return resp.is_valid(); +} + +PathSet RpcStore::queryAllValidPaths() { + proto::StorePaths paths; + SuccessOrThrow(stub_->QueryAllValidPaths(&ctx, kEmpty, &paths)); + return FillFrom<PathSet>(paths.paths()); +} + +PathSet RpcStore::queryValidPaths(const PathSet& paths, + SubstituteFlag maybeSubstitute) { + proto::StorePaths store_paths; + for (const auto& path : paths) { + store_paths.add_paths(path); + } + proto::StorePaths result_paths; + SuccessOrThrow(stub_->QueryValidPaths(&ctx, store_paths, &result_paths)); + return FillFrom<PathSet>(result_paths.paths()); +} + +void RpcStore::queryPathInfoUncached( + const Path& path, + Callback<std::shared_ptr<ValidPathInfo>> callback) noexcept { + proto::StorePath store_path; + store_path.set_path(path); + + try { + proto::PathInfo path_info; + SuccessOrThrow(stub_->QueryPathInfo(&ctx, store_path, &path_info)); + + std::shared_ptr<ValidPathInfo> info; + + if (!path_info.is_valid()) { + throw InvalidPath(absl::StrFormat("path '%s' is not valid", path)); + } + + info = std::make_shared<ValidPathInfo>(); + info->path = path; + info->deriver = path_info.deriver().path(); + if (!info->deriver.empty()) { + assertStorePath(info->deriver); + } + info->narHash = Hash(path_info.nar_hash(), htSHA256); + info->references.insert(path_info.references().begin(), + path_info.references().end()); + info->registrationTime = + TimeUtil::TimestampToTimeT(path_info.registration_time()); + info->narSize = path_info.nar_size(); + info->ultimate = path_info.ultimate(); + info->sigs.insert(path_info.sigs().begin(), path_info.sigs().end()); + info->ca = path_info.ca(); + + callback(std::move(info)); + } catch (...) { + callback.rethrow(); + } +} + +void RpcStore::queryReferrers(const Path& path, PathSet& referrers) { + proto::StorePaths paths; + SuccessOrThrow(stub_->QueryReferrers(&ctx, StorePath(path), &paths)); + referrers.insert(paths.paths().begin(), paths.paths().end()); +} + +PathSet RpcStore::queryValidDerivers(const Path& path) { + proto::StorePaths paths; + SuccessOrThrow(stub_->QueryValidDerivers(&ctx, StorePath(path), &paths)); + return FillFrom<PathSet>(paths.paths()); +} + +PathSet RpcStore::queryDerivationOutputs(const Path& path) { + proto::StorePaths paths; + SuccessOrThrow(stub_->QueryDerivationOutputs(&ctx, StorePath(path), &paths)); + return FillFrom<PathSet>(paths.paths()); +} + +StringSet RpcStore::queryDerivationOutputNames(const Path& path) { + proto::DerivationOutputNames output_names; + SuccessOrThrow( + stub_->QueryDerivationOutputNames(&ctx, StorePath(path), &output_names)); + return FillFrom<StringSet>(output_names.names()); +} + +Path RpcStore::queryPathFromHashPart(const std::string& hashPart) { + throw absl::StrCat("Not implemented ", __func__); +} + +PathSet RpcStore::querySubstitutablePaths(const PathSet& paths) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::querySubstitutablePathInfos(const PathSet& paths, + SubstitutablePathInfos& infos) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::addToStore(const ValidPathInfo& info, Source& narSource, + RepairFlag repair, CheckSigsFlag checkSigs, + std::shared_ptr<FSAccessor> accessor) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::addToStore(const ValidPathInfo& info, + const ref<std::string>& nar, RepairFlag repair, + CheckSigsFlag checkSigs, + std::shared_ptr<FSAccessor> accessor) { + throw absl::StrCat("Not implemented ", __func__); +} + +Path RpcStore::addToStore(const std::string& name, const Path& srcPath, + bool recursive, HashType hashAlgo, PathFilter& filter, + RepairFlag repair) { + throw absl::StrCat("Not implemented ", __func__); +} + +Path RpcStore::addTextToStore(const std::string& name, const std::string& s, + const PathSet& references, RepairFlag repair) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::narFromPath(const Path& path, Sink& sink) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::buildPaths(const PathSet& paths, BuildMode buildMode) { + throw absl::StrCat("Not implemented ", __func__); +} + +BuildResult RpcStore::buildDerivation(const Path& drvPath, + const BasicDerivation& drv, + BuildMode buildMode) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::ensurePath(const Path& path) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::addTempRoot(const Path& path) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::addIndirectRoot(const Path& path) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::syncWithGC() { + throw absl::StrCat("Not implemented ", __func__); +} + +Roots RpcStore::findRoots(bool censor) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::collectGarbage(const GCOptions& options, GCResults& results) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::optimiseStore() { + throw absl::StrCat("Not implemented ", __func__); +} + +bool RpcStore::verifyStore(bool checkContents, RepairFlag repair) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::addSignatures(const Path& storePath, const StringSet& sigs) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::computeFSClosure(const PathSet& paths, PathSet& paths_, + bool flipDirection, bool includeOutputs, + bool includeDerivers) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::queryMissing(const PathSet& targets, PathSet& willBuild, + PathSet& willSubstitute, PathSet& unknown, + unsigned long long& downloadSize, + unsigned long long& narSize) { + throw absl::StrCat("Not implemented ", __func__); +} + +std::shared_ptr<std::string> RpcStore::getBuildLog(const Path& path) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::connect() { throw absl::StrCat("Not implemented ", __func__); } + +unsigned int RpcStore::getProtocol() { + throw absl::StrCat("Not implemented ", __func__); +} + +int RpcStore::getPriority() { + throw absl::StrCat("Not implemented ", __func__); +} + +Path RpcStore::toRealPath(const Path& storePath) { + throw absl::StrCat("Not implemented ", __func__); +} + +void RpcStore::createUser(const std::string& userName, uid_t userId) { + throw absl::StrCat("Not implemented ", __func__); +} + +} // namespace store + +static std::string uriScheme = "unix://"; + +// TODO(grfn): Make this a function that we call from main rather than... this +static RegisterStoreImplementation regStore([](const std::string& uri, + const Store::Params& params) + -> std::shared_ptr<Store> { + if (std::string(uri, 0, uriScheme.size()) != uriScheme) { + return nullptr; + } + auto channel = grpc::CreateChannel(uri, grpc::InsecureChannelCredentials()); + return std::make_shared<store::RpcStore>( + uri, params, proto::WorkerService::NewStub(channel)); +}); + +} // namespace nix |