syntax = "proto3";

package moby.buildkit.v1.frontend;

import "github.com/gogo/protobuf/gogoproto/gogo.proto";
import "github.com/moby/buildkit/solver/pb/ops.proto";

option (gogoproto.sizer_all) = true;
option (gogoproto.marshaler_all) = true;
option (gogoproto.unmarshaler_all) = true;

service LLBBridge {
	rpc ResolveImageConfig(ResolveImageConfigRequest) returns (ResolveImageConfigResponse);
	rpc Solve(SolveRequest) returns (SolveResponse);
	rpc ReadFile(ReadFileRequest) returns (ReadFileResponse);
	rpc Ping(PingRequest) returns (PongResponse);
}

message ResolveImageConfigRequest {
	string Ref = 1;
}

message ResolveImageConfigResponse {
	string Digest = 1 [(gogoproto.customtype) = "github.com/opencontainers/go-digest.Digest", (gogoproto.nullable) = false];
	bytes Config = 2;
}

message SolveRequest {
	pb.Definition Definition = 1;
	string Frontend = 2;
	bool Final = 10;
	bytes ExporterAttr = 11;
}

message SolveResponse {
	string Ref = 1; // can be used by readfile request
	bytes ExporterAttr = 2;
}

message ReadFileRequest {
	string Ref = 1;
	string FilePath = 2;
}

message ReadFileResponse {
	bytes Data = 1;
}

message PingRequest{
}
message PongResponse{
}