frostfs-node/pkg/services/tree/service.proto

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syntax = "proto3";
package tree;
import "pkg/services/tree/types.proto";
option go_package = "github.com/nspcc-dev/neofs-node/pkg/services/tree";
// `TreeService` provides an interface for working with distributed tree.
service TreeService {
/* Client API */
// Add adds new node to the tree. Invoked by a client.
rpc Add (AddRequest) returns (AddResponse);
// AddByPath adds new node to the tree by path. Invoked by a client.
rpc AddByPath (AddByPathRequest) returns (AddByPathResponse);
// Remove removes node from the tree. Invoked by a client.
rpc Remove (RemoveRequest) returns (RemoveResponse);
// Move moves node from one parent to another. Invoked by a client.
rpc Move (MoveRequest) returns (MoveResponse);
// GetNodeByPath returns list of IDs corresponding to a specific filepath.
rpc GetNodeByPath (GetNodeByPathRequest) returns (GetNodeByPathResponse);
// GetSubTree returns tree corresponding to a specific node.
rpc GetSubTree (GetSubTreeRequest) returns (stream GetSubTreeResponse);
/* Synchronization API */
// Apply pushes log operation from another node to the current.
// The request must be signed by a container node.
rpc Apply (ApplyRequest) returns (ApplyResponse);
}
message AddRequest {
message Body {
bytes container_id = 1;
string tree_id = 2;
uint64 parent_id = 3;
repeated KeyValue meta = 4;
}
Body body = 1;
Signature signature = 2;
}
message AddResponse {
message Body {
uint64 node_id = 1;
}
Body body = 1;
Signature signature = 2;
};
message AddByPathRequest {
message Body {
bytes container_id = 1;
string tree_id = 2;
string path_attribute = 3;
repeated string path = 4;
repeated KeyValue meta = 5;
}
Body body = 1;
Signature signature = 2;
}
message AddByPathResponse {
message Body {
repeated uint64 nodes = 1;
uint64 parent_id = 2;
}
Body body = 1;
Signature signature = 2;
};
message RemoveRequest {
message Body {
bytes container_id = 1;
string tree_id = 2;
uint64 node_id = 3;
}
Body body = 1;
Signature signature = 2;
}
message RemoveResponse {
message Body {
}
Body body = 1;
Signature signature = 2;
};
message MoveRequest {
message Body {
// TODO import neo.fs.v2.refs.ContainerID directly.
bytes container_id = 1;
string tree_id = 2;
uint64 parent_id = 3;
uint64 node_id = 4;
repeated KeyValue meta = 5;
}
Body body = 1;
Signature signature = 2;
}
message MoveResponse {
message Body {
}
Body body = 1;
Signature signature = 2;
};
message GetNodeByPathRequest {
message Body {
bytes container_id = 1;
string tree_id = 2;
string path_attribute = 3;
repeated string path = 4;
repeated string attributes = 5;
bool latest_only = 6;
bool all_attributes = 7;
}
Body body = 1;
Signature signature = 2;
}
message GetNodeByPathResponse {
message Info {
uint64 node_id = 1;
uint64 timestamp = 2;
repeated KeyValue meta = 3;
}
message Body {
repeated Info nodes = 1;
}
Body body = 1;
Signature signature = 2;
};
message GetSubTreeRequest {
message Body {
bytes container_id = 1;
string tree_id = 2;
uint64 root_id = 3;
// Optional depth of the traversal. Zero means return only root.
// Maximum depth is 10.
uint32 depth = 4;
}
Body body = 1;
Signature signature = 2;
}
message GetSubTreeResponse {
message Body {
uint64 node_id = 1;
uint64 parent_id = 2;
uint64 timestamp = 3;
repeated KeyValue meta = 4;
}
Body body = 1;
Signature signature = 2;
};
message ApplyRequest {
message Body {
bytes container_id = 1;
string tree_id = 2;
LogMove operation = 3;
}
Body body = 1;
Signature signature = 2;
}
message ApplyResponse {
message Body {
}
Body body = 1;
Signature signature = 2;
};