cli.proto

/*
 *  Copyright (c) 2020 NetEase Inc.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

syntax="proto2";
package curve.chunkserver;

option cc_generic_services = true;
option go_package = "proto/cli";

// 这里都用 logicPoolId, copysetId,进入 rpc service 之后，会转换成 string
// 类型的 groupId，在传给 raft
// |        groupId          |
// | logicPoolId | copysetId |
message AddPeerRequest {
    required uint32 logicPoolId = 1;    // logicPoolId 实际上 uint16，但是 proto 没有 uint16
    required uint32 copysetId = 2;
    required string leader_id = 3;
    required string peer_id = 4;
}

message AddPeerResponse {
    repeated string old_peers = 1;
    repeated string new_peers = 2;
}

message RemovePeerRequest {
    required uint32 logicPoolId = 1;
    required uint32 copysetId = 2;
    required string leader_id = 3;
    required string peer_id = 4;
}

message RemovePeerResponse {
    repeated string old_peers = 1;
    repeated string new_peers = 2;
}

message ChangePeersRequest {
    required uint32 logicPoolId = 1;
    required uint32 copysetId = 2;
    required string leader_id = 3;
    repeated string new_peers = 4;
}

message ChangePeersResponse {
    repeated string old_peers = 1;
    repeated string new_peers = 2;
}

message SnapshotRequest {
    required uint32 logicPoolId = 1;
    required uint32 copysetId = 2;
    optional string peer_id = 3;
};

message ResetPeerRequest {
    required uint32 logicPoolId = 1;
    required uint32 copysetId = 2;
    required string peer_id = 3;
    repeated string old_peers = 4;
    repeated string new_peers = 5;
}

message TransferLeaderRequest {
    required uint32 logicPoolId = 1;
    required uint32 copysetId = 2;
    required string leader_id = 3;
    optional string peer_id = 4;
}

message TransferLeaderResponse {}

message ResetPeerResponse {
}

message SnapshotResponse {
}

message GetLeaderRequest {
    required uint32 logicPoolId = 1;
    required uint32 copysetId = 2;
    optional string peer_id = 3;
}

message GetLeaderResponse {
    required string leader_id = 1;
}

// service
service CliService {
    rpc add_peer(AddPeerRequest) returns (AddPeerResponse);
    rpc remove_peer(RemovePeerRequest) returns (RemovePeerResponse);
    rpc change_peers(ChangePeersRequest) returns (ChangePeersResponse);
    rpc reset_peer(ResetPeerRequest) returns (ResetPeerResponse);
    rpc snapshot(SnapshotRequest) returns (SnapshotResponse);
    rpc get_leader(GetLeaderRequest) returns (GetLeaderResponse);
    rpc transfer_leader(TransferLeaderRequest) returns (TransferLeaderResponse);
};