hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/AliasMapProtocol.proto

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2.0 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.
*/
syntax = "proto2";
option java_package = "org.apache.hadoop.hdfs.protocol.proto";
option java_outer_classname = "AliasMapProtocolProtos";
option java_generic_services = true;
option java_generate_equals_and_hash = true;
package hadoop.hdfs;
import "hdfs.proto";
message KeyValueProto {
optional BlockProto key = 1;
optional ProvidedStorageLocationProto value = 2;
}
message WriteRequestProto {
required KeyValueProto keyValuePair = 1;
}
message WriteResponseProto {
}
message ReadRequestProto {
required BlockProto key = 1;
}
message ReadResponseProto {
optional ProvidedStorageLocationProto value = 1;
}
message ListRequestProto {
optional BlockProto marker = 1;
}
message ListResponseProto {
repeated KeyValueProto fileRegions = 1;
optional BlockProto nextMarker = 2;
}
message BlockPoolRequestProto {
}
message BlockPoolResponseProto {
required string blockPoolId = 1;
}
service AliasMapProtocolService {
rpc write(WriteRequestProto) returns(WriteResponseProto);
rpc read(ReadRequestProto) returns(ReadResponseProto);
rpc list(ListRequestProto) returns(ListResponseProto);
rpc getBlockPoolId(BlockPoolRequestProto) returns(BlockPoolResponseProto);
}