crabka-protocol 0.3.2

Apache Kafka wire-protocol codec (4.3.0), with typed RecordBatch and zero-copy borrowed decode
Documentation 
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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.

{
  "apiKey": 84,
  "type": "response",
  "name": "ReadShareGroupStateResponse",
  "validVersions": "0",
  "flexibleVersions": "0+",
  // - NOT_COORDINATOR (version 0+)
  // - COORDINATOR_NOT_AVAILABLE (version 0+)
  // - COORDINATOR_LOAD_IN_PROGRESS (version 0+)
  // - GROUP_ID_NOT_FOUND (version 0+)
  // - UNKNOWN_TOPIC_OR_PARTITION (version 0+)
  // - FENCED_LEADER_EPOCH (version 0+)
  // - INVALID_REQUEST (version 0+)
  "fields": [
    { "name": "Results", "type": "[]ReadStateResult", "versions": "0+",
      "about": "The read results.", "fields": [
      { "name": "TopicId", "type": "uuid", "versions": "0+",
        "about": "The topic identifier." },
      { "name": "Partitions", "type": "[]PartitionResult", "versions": "0+",
        "about" : "The results for the partitions.", "fields": [
        { "name": "Partition", "type": "int32", "versions": "0+",
          "about": "The partition index." },
        { "name": "ErrorCode", "type": "int16", "versions": "0+",
          "about": "The error code, or 0 if there was no error." },
        { "name": "ErrorMessage", "type": "string", "versions": "0+", "nullableVersions": "0+", "default": "null",
          "about": "The error message, or null if there was no error." },
        { "name": "StateEpoch", "type": "int32", "versions": "0+",
          "about": "The state epoch of the share-partition." },
        { "name": "StartOffset", "type": "int64", "versions": "0+",
          "about": "The share-partition start offset, which can be -1 if it is not yet initialized." },
        { "name": "StateBatches", "type": "[]StateBatch", "versions": "0+",
          "about": "The state batches for this share-partition.", "fields":[
          { "name": "FirstOffset", "type": "int64", "versions": "0+",
            "about": "The first offset of this state batch." },
          { "name": "LastOffset", "type": "int64", "versions": "0+",
            "about": "The last offset of this state batch." },
          { "name": "DeliveryState", "type": "int8", "versions": "0+",
            "about": "The delivery state - 0:Available,2:Acked,4:Archived." },
          { "name": "DeliveryCount", "type": "int16", "versions": "0+",
            "about": "The delivery count." }
        ]}
      ]}
    ]}
  ]
}