1 files changed, 132 insertions, 0 deletions
diff --git a/src/buildtool/execution_api/execution_service/cas_server.cpp b/src/buildtool/execution_api/execution_service/cas_server.cpp
new file mode 100644
index 00000000..025a6757
--- /dev/null
+++ b/src/buildtool/execution_api/execution_service/cas_server.cpp
@@ -0,0 +1,132 @@
+// Copyright 2023 Huawei Cloud Computing Technology Co., Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "src/buildtool/execution_api/execution_service/cas_server.hpp"
+
+#include "fmt/format.h"
+#include "src/buildtool/compatibility/native_support.hpp"
+#include "src/buildtool/execution_api/local/garbage_collector.hpp"
+
+auto CASServiceImpl::FindMissingBlobs(
+    ::grpc::ServerContext* /*context*/,
+    const ::build::bazel::remote::execution::v2::FindMissingBlobsRequest*
+        request,
+    ::build::bazel::remote::execution::v2::FindMissingBlobsResponse* response)
+    -> ::grpc::Status {
+    auto lock = GarbageCollector::SharedLock();
+    if (!lock) {
+        auto str = fmt::format("Could not acquire SharedLock");
+        logger_.Emit(LogLevel::Error, str);
+        return grpc::Status{grpc::StatusCode::INTERNAL, str};
+    }
+    for (auto const& x : request->blob_digests()) {
+        auto const& hash = x.hash();
+        logger_.Emit(LogLevel::Trace, "FindMissingBlobs: {}", hash);
+        if (NativeSupport::IsTree(hash)) {
+            if (!storage_.TreePath(x)) {
+                auto* d = response->add_missing_blob_digests();
+                d->CopyFrom(x);
+            }
+        }
+        else if (!storage_.BlobPath(x, false)) {
+            auto* d = response->add_missing_blob_digests();
+            d->CopyFrom(x);
+        }
+    }
+    return ::grpc::Status::OK;
+}
+
+auto CASServiceImpl::BatchUpdateBlobs(
+    ::grpc::ServerContext* /*context*/,
+    const ::build::bazel::remote::execution::v2::BatchUpdateBlobsRequest*
+        request,
+    ::build::bazel::remote::execution::v2::BatchUpdateBlobsResponse* response)
+    -> ::grpc::Status {
+    auto lock = GarbageCollector::SharedLock();
+    if (!lock) {
+        auto str = fmt::format("Could not acquire SharedLock");
+        logger_.Emit(LogLevel::Error, str);
+        return grpc::Status{grpc::StatusCode::INTERNAL, str};
+    }
+    for (auto const& x : request->requests()) {
+        auto const& hash = x.digest().hash();
+        logger_.Emit(LogLevel::Trace, "BatchUpdateBlobs: {}", hash);
+        auto* r = response->add_responses();
+        r->mutable_digest()->CopyFrom(x.digest());
+        if (NativeSupport::IsTree(hash)) {
+            if (!storage_.StoreTree(x.data())) {
+                auto const& str = fmt::format(
+                    "BatchUpdateBlobs: could not upload tree {}", hash);
+                logger_.Emit(LogLevel::Error, str);
+                return ::grpc::Status{grpc::StatusCode::INTERNAL, str};
+            }
+        }
+        else if (!storage_.StoreBlob(x.data(), false)) {
+            auto const& str =
+                fmt::format("BatchUpdateBlobs: could not upload blob {}", hash);
+            logger_.Emit(LogLevel::Error, str);
+            return ::grpc::Status{grpc::StatusCode::INTERNAL, str};
+        }
+    }
+    return ::grpc::Status::OK;
+}
+
+auto CASServiceImpl::BatchReadBlobs(
+    ::grpc::ServerContext* /*context*/,
+    const ::build::bazel::remote::execution::v2::BatchReadBlobsRequest* request,
+    ::build::bazel::remote::execution::v2::BatchReadBlobsResponse* response)
+    -> ::grpc::Status {
+    auto lock = GarbageCollector::SharedLock();
+    if (!lock) {
+        auto str = fmt::format("Could not acquire SharedLock");
+        logger_.Emit(LogLevel::Error, str);
+        return grpc::Status{grpc::StatusCode::INTERNAL, str};
+    }
+    for (auto const& digest : request->digests()) {
+        auto* r = response->add_responses();
+        r->mutable_digest()->CopyFrom(digest);
+        std::optional<std::filesystem::path> path;
+        if (NativeSupport::IsTree(digest.hash())) {
+            path = storage_.TreePath(digest);
+        }
+        else {
+            path = storage_.BlobPath(digest, false);
+        }
+        if (!path) {
+            google::rpc::Status status;
+            status.set_code(grpc::StatusCode::NOT_FOUND);
+            r->mutable_status()->CopyFrom(status);
+
+            continue;
+        }
+        std::ifstream cert{*path};
+        std::string tmp((std::istreambuf_iterator<char>(cert)),
+                        std::istreambuf_iterator<char>());
+        *(r->mutable_data()) = std::move(tmp);
+
+        r->mutable_status()->CopyFrom(google::rpc::Status{});
+    }
+    return ::grpc::Status::OK;
+}
+
+auto CASServiceImpl::GetTree(
+    ::grpc::ServerContext* /*context*/,
+    const ::build::bazel::remote::execution::v2::GetTreeRequest* /*request*/,
+    ::grpc::ServerWriter<
+        ::build::bazel::remote::execution::v2::GetTreeResponse>* /*writer*/)
+    -> ::grpc::Status {
+    auto const* str = "GetTree not implemented";
+    logger_.Emit(LogLevel::Error, str);
+    return ::grpc::Status{grpc::StatusCode::UNIMPLEMENTED, str};
+}