go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/gae/service/datastore/internal/protos/multicursor/cursors.proto (about)

     1  // Copyright 2023 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  syntax = "proto3";
    16  
    17  package multicursor;
    18  
    19  option go_package = "go.chromium.org/luci/gae/service/datastore/internal/protos/multicursor";
    20  
    21  // Cursors is a structure containing zero or more cursors. This is used for
    22  // embedding multiple cursors in a single blob/string.
    23  message Cursors{
    24  	uint64 version = 1; // currently 0
    25  	repeated string cursors = 2; // list of cursors
    26          // magic_number exists to make it easier to determine if this is a
    27          // multicursor. There is a small but real chance that a base64 cursor
    28          // representation does represent a valid multicursor. This should
    29          // increase our chances in such a situation. The value is always 0xA455
    30          int64 magic_number = 3;
    31  }