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/**
* 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.
*/
syntax = "proto2";
option java_package = "org.apache.hadoop.ipc.protobuf";
option java_outer_classname = "ProtocolInfoProtos";
option java_generic_services = true;
option java_generate_equals_and_hash = true;
option go_package = "github.com/colinmarc/hdfs/v2/internal/protocol/hadoop_common";
package hadoop.common;
/**
* Request to get protocol versions for all supported rpc kinds.
*/
message GetProtocolVersionsRequestProto {
required string protocol = 1; // Protocol name
}
/**
* Protocol version with corresponding rpc kind.
*/
message ProtocolVersionProto {
required string rpcKind = 1; //RPC kind
repeated uint64 versions = 2; //Protocol version corresponding to the rpc kind.
}
/**
* Get protocol version response.
*/
message GetProtocolVersionsResponseProto {
repeated ProtocolVersionProto protocolVersions = 1;
}
/**
* Get protocol signature request.
*/
message GetProtocolSignatureRequestProto {
required string protocol = 1; // Protocol name
required string rpcKind = 2; // RPC kind
}
/**
* Get protocol signature response.
*/
message GetProtocolSignatureResponseProto {
repeated ProtocolSignatureProto protocolSignature = 1;
}
message ProtocolSignatureProto {
required uint64 version = 1;
repeated uint32 methods = 2;
}
/**
* Protocol to get information about protocols.
*/
service ProtocolInfoService {
/**
* Return protocol version corresponding to protocol interface for each
* supported rpc kind.
*/
rpc getProtocolVersions(GetProtocolVersionsRequestProto)
returns (GetProtocolVersionsResponseProto);
/**
* Return protocol version corresponding to protocol interface.
*/
rpc getProtocolSignature(GetProtocolSignatureRequestProto)
returns (GetProtocolSignatureResponseProto);
}
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