config

type ConfigurationKeyType int

type FrontendParameters struct {
	MoVersion string

	//port defines which port the mo-server listens on and clients connect to
	Port int64 `toml:"port"`

	//listening ip
	Host string `toml:"host"`

	// UnixSocketAddress listening unix domain socket
	UnixSocketAddress string `toml:"unix-socket"`

	//guest mmu limitation. default: 1 << 40 = 1099511627776
	GuestMmuLimitation int64 `toml:"guestMmuLimitation"`

	//mempool maxsize. default: 1 << 40 = 1099511627776
	MempoolMaxSize int64 `toml:"mempoolMaxSize"`

	//mempool factor. default: 8
	MempoolFactor int64 `toml:"mempoolFactor"`

	//process.Limitation.Size. default: 10 << 32 = 42949672960
	ProcessLimitationSize int64 `toml:"processLimitationSize"`

	//process.Limitation.BatchRows. default: 10 << 32 = 42949672960
	ProcessLimitationBatchRows int64 `toml:"processLimitationBatchRows"`

	//process.Limitation.BatchSize. default: 0
	ProcessLimitationBatchSize int64 `toml:"processLimitationBatchSize"`

	//process.Limitation.PartitionRows. default: 10 << 32 = 42949672960
	ProcessLimitationPartitionRows int64 `toml:"processLimitationPartitionRows"`

	//the root directory of the storage and matrixcube's data. The actual dir is cubeDirPrefix + nodeID
	ServerVersionPrefix string `toml:"serverVersionPrefix"`

	//the length of query printed into console. -1, complete string. 0, empty string. >0 , length of characters at the header of the string.
	LengthOfQueryPrinted int64 `toml:"lengthOfQueryPrinted"`

	//the count of rows in vector of batch in load data
	BatchSizeInLoadData int64 `toml:"batchSizeInLoadData"`

	//default is 4. The count of go routine writing batch into the storage.
	LoadDataConcurrencyCount int64 `toml:"loadDataConcurrencyCount"`

	//default is false. Skip writing batch into the storage
	LoadDataSkipWritingBatch bool `toml:"loadDataSkipWritingBatch"`

	//KB. When the number of bytes in the outbuffer exceeds it,the outbuffer will be flushed.
	MaxBytesInOutbufToFlush int64 `toml:"maxBytesInOutbufToFlush"`

	//default printLog Interval is 10s.
	PrintLogInterVal int64 `toml:"printLogInterVal"`

	//export data to csv file default flush size
	ExportDataDefaultFlushSize int64 `toml:"exportDataDefaultFlushSize"`

	//port defines which port the rpc server listens on
	PortOfRpcServerInComputationEngine int64 `toml:"portOfRpcServerInComputationEngine"`

	//default is false. With true. Server will support tls
	EnableTls bool `toml:"enableTls"`

	//default is ”. Path of file that contains list of trusted SSL CAs for client
	TlsCaFile string `toml:"tlsCaFile"`

	//default is ”. Path of file that contains X509 certificate in PEM format for client
	TlsCertFile string `toml:"tlsCertFile"`

	//default is ”. Path of file that contains X509 key in PEM format for client
	TlsKeyFile string `toml:"tlsKeyFile"`

	//default is 1
	LogShardID uint64 `toml:"logshardid"`

	//default is 1
	TNReplicaID uint64 `toml:"tnreplicalid"`

	EnableDoComQueryInProgress bool `toml:"comQueryInProgress"`

	//timeout of the session. the default is 10minutes
	SessionTimeout toml.Duration `toml:"sessionTimeout"`

	// MaxMessageSize max size for read messages from dn. Default is 10M
	MaxMessageSize uint64 `toml:"max-message-size"`

	// default off
	SaveQueryResult string `toml:"saveQueryResult"`

	// default 24 (h)
	QueryResultTimeout uint64 `toml:"queryResultTimeout"`

	// default 100 (MB)
	QueryResultMaxsize uint64 `toml:"queryResultMaxsize"`

	AutoIncrCacheSize uint64 `toml:"autoIncrCacheSize"`

	LowerCaseTableNames int64 `toml:"lowerCaseTableNames"`

	PrintDebug bool `toml:"printDebug"`

	PrintDebugInterval int `toml:"printDebugInterval"`

	// Interval in seconds
	KillRountinesInterval int `toml:"killRountinesInterval"`

	CleanKillQueueInterval int `toml:"cleanKillQueueInterval"`

	// ProxyEnabled indicates that proxy module is enabled and something extra
	// is needed, such as update the salt.
	ProxyEnabled bool `toml:"proxy-enabled"`

	// SkipCheckPrivilege denotes the privilege check should be passed.
	SkipCheckPrivilege bool `toml:"skipCheckPrivilege"`

	//skip checking the password of the user
	SkipCheckUser bool `toml:"skipCheckUser"`
}

type OBCollectorConfig struct {
	ShowStatsInterval toml.Duration `toml:"showStatsInterval"`
	// BufferCnt
	BufferCnt  int32 `toml:"bufferCnt"`
	BufferSize int64 `toml:"bufferSize"`
}

type ObservabilityParameters struct {
	// MoVersion, see SetDefaultValues
	MoVersion string

	// Host listening ip. normally same as FrontendParameters.Host
	Host string `toml:"host"`

	// StatusPort defines which port the mo status server (for metric etc.) listens on and clients connect to
	// Start listen with EnableMetricToProm is true.
	StatusPort int `toml:"statusPort"`

	// EnableMetricToProm default is false. if true, metrics can be scraped through host:status/metrics endpoint
	EnableMetricToProm bool `toml:"enableMetricToProm"`

	// DisableMetric default is false. if false, enable metric at booting
	DisableMetric bool `toml:"disableMetric"`

	// DisableTrace default is false. if false, enable trace at booting
	DisableTrace bool `toml:"disableTrace"`

	// EnableTraceDebug default is false. With true, system will check all the children span is ended, which belong to the closing span.
	EnableTraceDebug bool `toml:"enableTraceDebug"`

	// TraceExportInterval default is 15s.
	TraceExportInterval int `toml:"traceExportInterval"`

	// LongQueryTime default is 0.0 sec. if 0.0f, record every query. Record with exec time longer than LongQueryTime.
	LongQueryTime float64 `toml:"longQueryTime"`

	// MetricExportInterval default is 15 sec.
	MetricExportInterval int `toml:"metric-export-interval"`

	// MetricGatherInterval default is 15 sec.
	MetricGatherInterval int `toml:"metric-gather-interval"`

	// MetricInternalGatherInterval default is 1 min, handle metric.SubSystemMO metric
	MetricInternalGatherInterval toml.Duration `toml:"metric-internal-gather-interval"`

	// MetricStorageUsageUpdateInterval, default: 15 min
	MetricStorageUsageUpdateInterval toml.Duration `toml:"metricStorageUsageUpdateInterval"`

	// MetricStorageUsageCheckNewInterval, default: 1 min
	MetricStorageUsageCheckNewInterval toml.Duration `toml:"metricStorageUsageCheckNewInterval"`

	// MergeCycle default: 300 sec (5 minutes).
	// PS: only used while MO init.
	MergeCycle toml.Duration `toml:"mergeCycle"`

	// DisableSpan default: false. Disable span collection
	DisableSpan bool `toml:"disableSpan"`

	// LongSpanTime default: 500 ms. Only record span, which duration >= LongSpanTime
	LongSpanTime toml.Duration `toml:"longSpanTime"`

	// SkipRunningStmt default: false. Skip status:Running entry while collect statement_info
	SkipRunningStmt bool `toml:"skipRunningStmt"`

	// If disabled, the logs will be written to files stored in s3
	DisableSqlWriter bool `toml:"disableSqlWriter"`

	// DisableStmtAggregation ctrl statement aggregation. If disabled, the statements will not be aggregated.
	// If false, LongQueryTime is NO less than SelectAggrThreshold
	DisableStmtAggregation bool `toml:"disableStmtAggregation"`

	// Seconds to aggregate the statements
	AggregationWindow toml.Duration `toml:"aggregationWindow"`

	// SelectAggrThreshold Duration to filter statements for aggregation
	SelectAggrThreshold toml.Duration `toml:"selectAggrThreshold"`

	// Disable merge statements
	EnableStmtMerge bool `toml:"enableStmtMerge"`

	OBCollectorConfig
}

type ParameterUnit struct {
	SV *FrontendParameters

	//Storage Engine
	StorageEngine engine.Engine

	//TxnClient
	TxnClient client.TxnClient

	//Cluster Nodes
	ClusterNodes engine.Nodes

	// FileService
	FileService fileservice.FileService

	// LockService instance
	LockService lockservice.LockService

	// QueryService instance
	QueryService queryservice.QueryService

	// HAKeeper client, which is used to get connection ID
	// from HAKeeper currently.
	HAKeeperClient logservice.CNHAKeeperClient
}