syntax = "proto3";

package filer_pb;

//////////////////////////////////////////////////

service SeaweedFiler {

    rpc LookupDirectoryEntry (LookupDirectoryEntryRequest) returns (LookupDirectoryEntryResponse) {
    }

    rpc ListEntries (ListEntriesRequest) returns (ListEntriesResponse) {
    }

    rpc GetFileAttributes (GetFileAttributesRequest) returns (GetFileAttributesResponse) {
    }

    rpc GetFileContent (GetFileContentRequest) returns (GetFileContentResponse) {
    }

    rpc CreateEntry (CreateEntryRequest) returns (CreateEntryResponse) {
    }

    rpc AppendFileChunks (AppendFileChunksRequest) returns (AppendFileChunksResponse) {
    }

    rpc DeleteEntry (DeleteEntryRequest) returns (DeleteEntryResponse) {
    }

    rpc AssignVolume (AssignVolumeRequest) returns (AssignVolumeResponse) {
    }

}

//////////////////////////////////////////////////

message LookupDirectoryEntryRequest {
    string directory = 1;
    string name = 2;
}

message LookupDirectoryEntryResponse {
    Entry entry = 1;
}

message ListEntriesRequest {
    string directory = 1;
}

message ListEntriesResponse {
    repeated Entry entries = 1;
}

message Entry {
    string name = 1;
    bool is_directory = 2;
    repeated FileChunk chunks = 3;
    FuseAttributes attributes = 4;
}

message FileChunk {
    string file_id = 1;
    int64 offset = 2;
    uint64 size = 3;
    int64 mtime = 4;
}

message FuseAttributes {
    uint64 file_size = 1;
    int64 mtime = 2;
    uint32 file_mode = 3;
    uint32 uid = 4;
    uint32 gid = 5;
}

message GetFileAttributesRequest {
    string name = 1;
    string parent_dir = 2;
    string file_id = 3;
}

message GetFileAttributesResponse {
    FuseAttributes attributes = 1;
}

message GetFileContentRequest {
    string file_id = 1;
}

message GetFileContentResponse {
    bytes content = 1;
}

message CreateEntryRequest {
    string directory = 1;
    Entry entry = 2;
}

message CreateEntryResponse {
}

message DeleteEntryRequest {
    string directory = 1;
    string name = 2;
    bool is_directory = 3;
}

message DeleteEntryResponse {
}

message AssignVolumeRequest {
    int32 count = 1;
    string collection = 2;
    string replication = 3;
}

message AssignVolumeResponse {
    string file_id = 1;
    string url = 2;
    string public_url = 3;
    int32 count = 4;
}

message AppendFileChunksRequest {
    string directory = 1;
    Entry entry = 2;
}
message AppendFileChunksResponse {
}