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RPC (Thrift) common framework.
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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.
 */

namespace java org.apache.iotdb.common.rpc.thrift
namespace py iotdb.thrift.common
namespace go common

// Define a set of ip:port address
struct TEndPoint {
  1: required string ip
  2: required i32 port
}

// The return status code and message in each response.
struct TSStatus {
  1: required i32 code
  2: optional string message
  3: optional list subStatus
  4: optional TEndPoint redirectNode
  5: optional bool needRetry
}

enum TConsensusGroupType {
  ConfigRegion,
  DataRegion,
  SchemaRegion
}

struct TConsensusGroupId {
  1: required TConsensusGroupType type
  2: required i32 id
}

struct TSeriesPartitionSlot {
  1: required i32 slotId
}

struct TTimePartitionSlot {
  1: required i64 startTime
}

struct TRegionReplicaSet {
  1: required TConsensusGroupId regionId
  2: required list dataNodeLocations
}

struct TNodeResource {
  1: required i32 cpuCoreNum
  2: required i64 maxMemory
}

struct TConfigNodeLocation {
  1: required i32 configNodeId
  2: required TEndPoint internalEndPoint
  3: required TEndPoint consensusEndPoint
}

struct TDataNodeLocation {
  1: required i32 dataNodeId
  // TEndPoint for DataNode's client rpc
  2: required TEndPoint clientRpcEndPoint
  // TEndPoint for DataNode's cluster internal rpc
  3: required TEndPoint internalEndPoint
  // TEndPoint for exchange data between DataNodes
  4: required TEndPoint mPPDataExchangeEndPoint
  // TEndPoint for DataNode's dataRegion consensus protocol
  5: required TEndPoint dataRegionConsensusEndPoint
  // TEndPoint for DataNode's schemaRegion consensus protocol
  6: required TEndPoint schemaRegionConsensusEndPoint
}

struct TAINodeLocation{
  1: required i32 aiNodeId
  2: required TEndPoint internalEndPoint
}

struct TDataNodeConfiguration {
  1: required TDataNodeLocation location
  2: required TNodeResource resource
}

struct TAINodeConfiguration{
  1: required TAINodeLocation location
  2: required TNodeResource resource
}

enum TRegionMigrateFailedType {
  AddPeerFailed,
  RemovePeerFailed,
  RemoveConsensusGroupFailed,
  DeleteRegionFailed,
  CreateRegionFailed,
  Disconnect,
}

enum TRegionMaintainTaskStatus {
  TASK_NOT_EXIST,
  PROCESSING,
  SUCCESS,
  FAIL,
}

struct TFlushReq {
   1: optional string isSeq
   2: optional list storageGroups
}

struct TSettleReq {
   1: required list paths
}

// for node management
struct TSchemaNode {
  1: required string nodeName
  2: required byte nodeType
}

struct TSetConfigurationReq {
  1: required map configs
  2: required i32 nodeId
}

// for TTL
struct TSetTTLReq {
  1: required list pathPattern
  2: required i64 TTL
  3: required bool isDataBase
}

struct TShowTTLReq {
  1: required list pathPattern
}

// for File
struct TFile {
  1: required string fileName
  2: required binary file
}

struct TFilesResp {
  1: required TSStatus status
  2: required list files
}

// quota
struct TSpaceQuota {
  1: optional i64 diskSize
  2: optional i64 deviceNum
  3: optional i64 timeserieNum
}

enum ThrottleType {
  REQUEST_NUMBER,
  REQUEST_SIZE,
  WRITE_NUMBER,
  WRITE_SIZE,
  READ_NUMBER,
  READ_SIZE
}

struct TTimedQuota {
  1: required i64 timeUnit
  2: required i64 softLimit
}

struct TThrottleQuota {
  1: optional map throttleLimit
  2: optional i64 memLimit
  3: optional i32 cpuLimit
}

struct TSetSpaceQuotaReq {
  1: required list database
  2: required TSpaceQuota spaceLimit
}

struct TSetThrottleQuotaReq {
  1: required string userName
  2: required TThrottleQuota throttleQuota
}

struct TLicense {
    1: required i64 licenseIssueTimestamp
    2: required i64 expireTimestamp
    4: required i16 dataNodeNum
    5: required i32 cpuCoreNum
    6: required i64 deviceNum
    7: required i64 sensorNum
    8: required i64 disconnectionFromActiveNodeTime
    9: required i16 aiNodeNum
}

struct TLoadSample {
  // Percentage of occupied cpu in DataNode
  1: required double cpuUsageRate
  // Percentage of occupied memory space in DataNode
  2: required double memoryUsageRate
  // Percentage of occupied disk space in DataNode
  3: required double diskUsageRate
  // The size of free disk space
  // Unit: Byte
  4: required double freeDiskSpace
}

enum TServiceType {
  ConfigNodeInternalService,
  DataNodeInternalService,
  DataNodeMPPService,
  DataNodeExternalService,
}

struct TServiceProvider {
  1: required TEndPoint endPoint
  2: required TServiceType serviceType
}

struct TSender {
  1: optional TDataNodeLocation dataNodeLocation
  2: optional TConfigNodeLocation configNodeLocation
}

struct TTestConnectionResult {
  1: required TServiceProvider serviceProvider
  2: required TSender sender
  3: required bool success
  4: optional string reason
}

struct TTestConnectionResp {
  1: required TSStatus status
  2: required list resultList
}

struct TNodeLocations {
  1: optional list configNodeLocations
  2: optional list dataNodeLocations
}

enum TAggregationType {
  COUNT,
  AVG,
  SUM,
  FIRST_VALUE,
  LAST_VALUE,
  MAX_TIME,
  MIN_TIME,
  MAX_VALUE,
  MIN_VALUE,
  EXTREME,
  COUNT_IF,
  TIME_DURATION,
  MODE,
  COUNT_TIME,
  STDDEV,
  STDDEV_POP,
  STDDEV_SAMP,
  VARIANCE,
  VAR_POP,
  VAR_SAMP,
  MAX_BY,
  MIN_BY,
  UDAF
}

struct TShowConfigurationTemplateResp {
  1: required TSStatus status
  2: required string content
}

struct TShowConfigurationResp {
  1: required TSStatus status
  2: required string content
}

// for AINode
enum TrainingState {
  PENDING,
  RUNNING,
  FINISHED,
  FAILED,
  DROPPING
}

enum TaskType {
  FORECAST,
  ANOMALY_DETECTION,
}