44 lines
1.6 KiB
Protocol Buffer
44 lines
1.6 KiB
Protocol Buffer
/**
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you 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.
|
|
*/
|
|
|
|
/**
|
|
* These .proto interfaces are private and stable.
|
|
* Please see http://wiki.apache.org/hadoop/Compatibility
|
|
* for what changes are allowed for a *stable* .proto interface.
|
|
*/
|
|
|
|
option java_package = "org.apache.hadoop.hdfs.protocol.proto";
|
|
option java_outer_classname = "DatanodeLifelineProtocolProtos";
|
|
option java_generic_services = true;
|
|
option java_generate_equals_and_hash = true;
|
|
package hadoop.hdfs.datanodelifeline;
|
|
|
|
import "DatanodeProtocol.proto";
|
|
|
|
// The lifeline protocol does not use a new request message type. Instead, it
|
|
// reuses the existing heartbeat request message.
|
|
|
|
// Unlike heartbeats, the response is empty. There is no command dispatch.
|
|
message LifelineResponseProto {
|
|
}
|
|
|
|
service DatanodeLifelineProtocolService {
|
|
rpc sendLifeline(hadoop.hdfs.datanode.HeartbeatRequestProto)
|
|
returns(LifelineResponseProto);
|
|
}
|