tvl-depot/tvix/store/protos/rpc_directory.proto

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// SPDX-License-Identifier: MIT
// Copyright © 2022 The Tvix Authors
syntax = "proto3";
package tvix.store.v1;
import "tvix/store/protos/castore.proto";
option go_package = "code.tvl.fyi/tvix/store/protos;storev1";
service DirectoryService {
// Get retrieves a stream of Directory messages, by using the lookup
// parameters in GetDirectoryRequest.
// Keep in mind multiple DirectoryNodes in different parts of the graph might
// have the same digest if they have the same underlying contents,
// so sending subsequent ones can be omitted.
rpc Get(GetDirectoryRequest) returns (stream Directory);
// Put uploads a graph of Directory messages.
// Individual Directory messages need to be send in an order walking up
// from the leaves to the root - a Directory message can only refer to
// Directory messages previously sent in the same stream.
// Keep in mind multiple DirectoryNodes in different parts of the graph might
// have the same digest if they have the same underlying contents,
// so sending subsequent ones can be omitted.
// We might add a separate method, allowing to send partial graphs at a later
// time, if requiring to send the full graph turns out to be a problem.
rpc Put(stream Directory) returns (PutDirectoryResponse);
}
message GetDirectoryRequest {
oneof by_what {
// The blake3 hash of the (root) Directory message, serialized in
// protobuf canonical form.
// Keep in mind this can be a subtree of another root.
bytes digest = 1;
}
// If set to true, recursively resolve all child Directory messages.
// Directory messages SHOULD be streamed in a recursive breadth-first walk,
// but other orders are also fine, as long as Directory messages are only
// sent after they are referred to from previously sent Directory messages.
bool recursive = 2;
}
message PutDirectoryResponse {
bytes root_digest = 1;
}