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//===--- compilation_caching_cas.proto - CAS service definition -----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
syntax = "proto3";
option java_multiple_files = true;
option java_package = "com.apple.dt.compilation_cache_service";
option java_outer_classname = "CompilationCachingProto";
option objc_class_prefix = "CCS";
package compilation_cache_service.cas.v1;
// MARK: - Data types
message CASDataID {
bytes id = 1;
}
// `CASObject` and `CASBlob` should be wire compatible.
message CASObject {
CASBytes blob = 1;
repeated CASDataID references = 2;
}
// `CASObject` and `CASBlob` should be wire compatible.
message CASBlob {
CASBytes blob = 1;
}
message CASBytes {
oneof contents {
bytes data = 1;
string file_path = 2;
}
}
// MARK: - Service interface
// Interface exported by the service.
service CASDBService {
rpc Get(CASGetRequest) returns (CASGetResponse) {}
rpc Put(CASPutRequest) returns (CASPutResponse) {}
rpc Load(CASLoadRequest) returns (CASLoadResponse) {}
rpc Save(CASSaveRequest) returns (CASSaveResponse) {}
}
message ResponseError { string description = 1; }
// MARK: - Service request/response types
// MARK: Put
message CASPutRequest {
CASObject data = 1;
}
message CASPutResponse {
oneof contents {
ResponseError error = 1;
CASDataID cas_id = 2;
}
}
// MARK: Get
message CASGetRequest {
CASDataID cas_id = 1;
// If set, the client asks for the service to write the blob part to disk, with a
// file path of the service's choosing.
//
// However this is not a hard requirement, the service can still choose to
// return the blob back as `bytes`. The client should always check whether
// the blob came back as `bytes` or as a file on disk.
//
// If the service writes the blob to a file, it should have the right
// access for the client to be able to move it to a different path.
bool write_to_disk = 2;
}
message CASGetResponse {
enum Outcome {
ERROR = 0; // if unset, we'll get error
OBJECT_NOT_FOUND = 1;
SUCCESS = 2;
}
Outcome outcome = 1;
oneof contents {
ResponseError error = 2;
CASObject data = 3;
}
}
// MARK: Save
message CASSaveRequest {
CASBlob data = 1;
}
message CASSaveResponse {
oneof contents {
ResponseError error = 1;
CASDataID cas_id = 2;
}
}
// MARK: Load
message CASLoadRequest {
CASDataID cas_id = 1;
// If set, the client asks for the service to write the blob part to disk, with a
// file path of the service's choosing.
//
// However this is not a hard requirement, the service can still choose to
// return the blob back as `bytes`. The client should always check whether
// the blob came back as `bytes` or as a file on disk.
//
// If the service writes the blob to a file, it should have the right
// access for the client to be able to move it to a different path.
bool write_to_disk = 2;
}
message CASLoadResponse {
enum Outcome {
ERROR = 0; // if unset, we'll get error
OBJECT_NOT_FOUND = 1;
SUCCESS = 2;
}
Outcome outcome = 1;
oneof contents {
ResponseError error = 2;
CASBlob data = 3;
}
}
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