nugget/services/weaver/weaver.proto

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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.
 */

syntax = "proto3";

package nugget.app.weaver;

import "nugget/protobuf/options.proto";

service Weaver {
	option (nugget.protobuf.app_id) = "WEAVER";
	option (nugget.protobuf.app_name) = "Weaver";
	option (nugget.protobuf.app_version) = 1;
	option (nugget.protobuf.request_buffer_size) = 64;
	option (nugget.protobuf.response_buffer_size) = 64;

	rpc GetConfig (GetConfigRequest) returns (GetConfigResponse);
	rpc Write (WriteRequest) returns (WriteResponse);
	rpc Read (ReadRequest) returns (ReadResponse);
	rpc EraseValue (EraseValueRequest) returns (EraseValueResponse);
}

// GetConfig
message GetConfigRequest {}
message GetConfigResponse {
	uint32 number_of_slots = 1;
	uint32 key_size = 2;
	uint32 value_size = 3;
}

// Write
message WriteRequest {
	uint32 slot = 1;
	bytes key = 2;
	bytes value = 3;
}
message WriteResponse {}

// Read
message ReadRequest {
	uint32 slot = 1;
	bytes key = 2;
}
message ReadResponse {
	enum Error {
		NONE = 0;
		WRONG_KEY = 1;
		THROTTLE = 2;
	}

	Error error = 1;
	uint32 throttle_msec = 2;
	bytes value = 3;
}

// EraseValue
message EraseValueRequest {
	uint32 slot = 1;
}
message EraseValueResponse {}