/*
	Copyright The containerd Authors.

	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 ttrpc.integration.streaming;

import "google/protobuf/empty.proto";

option go_package = "github.com/containerd/ttrpc/integration/streaming;streaming";

// Shim service is launched for each container and is responsible for owning the IO
// for the container and its additional processes.  The shim is also the parent of
// each container and allows reattaching to the IO and receiving the exit status
// for the container processes.

service Streaming {
	rpc Echo(EchoPayload) returns (EchoPayload);
	rpc EchoStream(stream EchoPayload) returns (stream EchoPayload);
	rpc SumStream(stream Part) returns (Sum);
	rpc DivideStream(Sum) returns (stream Part);
	rpc EchoNull(stream EchoPayload) returns (google.protobuf.Empty);
	rpc EchoNullStream(stream EchoPayload) returns (stream google.protobuf.Empty);
}

message EchoPayload {
	uint32 seq = 1;
	string msg = 2;
}

message Part {
	int32 add = 1;
}

message Sum {
	int32 sum = 1;
	int32 num = 2;
}