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optimize variable naming and init real time data compute func

This commit is contained in:
douxu 2025-11-13 17:29:49 +08:00
parent 984ee3003d
commit d434a7737d
6 changed files with 154 additions and 59 deletions
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14
database/query_measurement.go
View File

@ -46,3 +46,17 @@ func QueryMeasurementByToken(ctx context.Context, tx *gorm.DB, token string) (or
}
return component, nil
}
// GetAllMeasurements define func to query all measurement info from postgresDB
func GetAllMeasurements(ctx context.Context, tx *gorm.DB) ([]orm.Measurement, error) {
var measurements []orm.Measurement
// ctx超时判断
cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
result := tx.WithContext(cancelCtx).Clauses(clause.Locking{Strength: "UPDATE"}).Find(&measurements)
if result.Error != nil {
return nil, result.Error
}
return measurements, nil
}

6
handler/real_time_data_pull.go
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@ -149,8 +149,8 @@ func sendAggregateRealTimeDataStream(conn *websocket.Conn, targetsData []network
return conn.WriteJSON(response)
}
// processTargetPolling define function to process target in monitor map and data is continuously retrieved from redis based on the target
func processTargetPolling(ctx context.Context, s *SharedMonitorState, clientID string, fanInChan chan network.RealTimePullTarget) {
// processTargetPolling define function to process target in subscription map and data is continuously retrieved from redis based on the target
func processTargetPolling(ctx context.Context, s *SharedSubState, clientID string, fanInChan chan network.RealTimePullTarget) {
// ensure the fanInChan will not leak
defer close(fanInChan)
@ -224,7 +224,7 @@ func processTargetPolling(ctx context.Context, s *SharedMonitorState, clientID s
}
// appendTargets starts new polling goroutines for targets that were just added
func appendTargets(ctx context.Context, config *RealTimeMonitorConfig, stopChanMap map[string]chan struct{}, fanInChan chan network.RealTimePullTarget, appendTargets []string) {
func appendTargets(ctx context.Context, config *RealTimeSubConfig, stopChanMap map[string]chan struct{}, fanInChan chan network.RealTimePullTarget, appendTargets []string) {
targetSet := make(map[string]struct{}, len(appendTargets))
for _, target := range appendTargets {
targetSet[target] = struct{}{}

62
handler/real_time_data_subscription.go
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@ -19,10 +19,10 @@ import (
"gorm.io/gorm"
)
var globalSubState *SharedMonitorState
var globalSubState *SharedSubState
func init() {
globalSubState = NewSharedMonitorState()
globalSubState = NewSharedSubState()
}
// RealTimeSubHandler define real time data subscriptions process API
@ -204,40 +204,40 @@ func RealTimeSubHandler(c *gin.Context) {
}
}
// RealTimeMonitorComponent define struct of real time subscription component
type RealTimeMonitorComponent struct {
// RealTimeSubComponent define struct of real time subscription component
type RealTimeSubComponent struct {
targets []string
targetParam map[string]*orm.Measurement
}
// RealTimeMonitorConfig define struct of real time subscription config
type RealTimeMonitorConfig struct {
// RealTimeSubConfig define struct of real time subscription config
type RealTimeSubConfig struct {
noticeChan chan *transportTargets
mutex sync.RWMutex
components map[string]*RealTimeMonitorComponent
components map[string]*RealTimeSubComponent
}
// SharedMonitorState define struct of shared subscription state with mutex
type SharedMonitorState struct {
subMap map[string]*RealTimeMonitorConfig
// SharedSubState define struct of shared subscription state with mutex
type SharedSubState struct {
subMap map[string]*RealTimeSubConfig
globalMutex sync.RWMutex
}
// NewSharedMonitorState define function to create new SharedMonitorState
func NewSharedMonitorState() *SharedMonitorState {
return &SharedMonitorState{
subMap: make(map[string]*RealTimeMonitorConfig),
// NewSharedSubState define function to create new SharedSubState
func NewSharedSubState() *SharedSubState {
return &SharedSubState{
subMap: make(map[string]*RealTimeSubConfig),
}
}
// processAndValidateTargets define func to perform all database I/O operations in a lock-free state (eg,ParseDataIdentifierToken)
func processAndValidateTargets(ctx context.Context, tx *gorm.DB, components []network.RealTimeComponentItem, allReqTargetNum int) (
[]network.TargetResult,
map[string]*RealTimeMonitorComponent,
map[string]*RealTimeSubComponent,
[]string,
) {
targetProcessResults := make([]network.TargetResult, 0, allReqTargetNum)
newComponentsMap := make(map[string]*RealTimeMonitorComponent)
newComponentsMap := make(map[string]*RealTimeSubComponent)
successfulTargets := make([]string, 0, allReqTargetNum)
for _, componentItem := range components {
@ -260,7 +260,7 @@ func processAndValidateTargets(ctx context.Context, tx *gorm.DB, components []ne
successfulTargets = append(successfulTargets, target)
if _, ok := newComponentsMap[interval]; !ok {
newComponentsMap[interval] = &RealTimeMonitorComponent{
newComponentsMap[interval] = &RealTimeSubComponent{
targets: make([]string, 0, len(componentItem.Targets)),
targetParam: make(map[string]*orm.Measurement),
}
@ -275,7 +275,7 @@ func processAndValidateTargets(ctx context.Context, tx *gorm.DB, components []ne
}
// mergeComponents define func to merge newComponentsMap into existingComponentsMap
func mergeComponents(existingComponents map[string]*RealTimeMonitorComponent, newComponents map[string]*RealTimeMonitorComponent) {
func mergeComponents(existingComponents map[string]*RealTimeSubComponent, newComponents map[string]*RealTimeSubComponent) {
for interval, newComp := range newComponents {
if existingComp, ok := existingComponents[interval]; ok {
existingComp.targets = append(existingComp.targets, newComp.targets...)
@ -286,8 +286,8 @@ func mergeComponents(existingComponents map[string]*RealTimeMonitorComponent, ne
}
}
// CreateConfig define function to create config in SharedMonitorState
func (s *SharedMonitorState) CreateConfig(ctx context.Context, tx *gorm.DB, clientID string, components []network.RealTimeComponentItem) ([]network.TargetResult, error) {
// CreateConfig define function to create config in SharedSubState
func (s *SharedSubState) CreateConfig(ctx context.Context, tx *gorm.DB, clientID string, components []network.RealTimeComponentItem) ([]network.TargetResult, error) {
requestTargetsCount := processRealTimeRequestCount(components)
targetProcessResults, newComponentsMap, _ := processAndValidateTargets(ctx, tx, components, requestTargetsCount)
@ -299,7 +299,7 @@ func (s *SharedMonitorState) CreateConfig(ctx context.Context, tx *gorm.DB, clie
return targetProcessResults, err
}
config := &RealTimeMonitorConfig{
config := &RealTimeSubConfig{
noticeChan: make(chan *transportTargets),
components: newComponentsMap, // 直接使用预构建的 Map
}
@ -308,8 +308,8 @@ func (s *SharedMonitorState) CreateConfig(ctx context.Context, tx *gorm.DB, clie
return targetProcessResults, nil
}
// AppendTargets define function to append targets in SharedMonitorState
func (s *SharedMonitorState) AppendTargets(ctx context.Context, tx *gorm.DB, clientID string, components []network.RealTimeComponentItem) ([]network.TargetResult, error) {
// AppendTargets define function to append targets in SharedSubState
func (s *SharedSubState) AppendTargets(ctx context.Context, tx *gorm.DB, clientID string, components []network.RealTimeComponentItem) ([]network.TargetResult, error) {
requestTargetsCount := processRealTimeRequestCount(components)
targetProcessResults := make([]network.TargetResult, 0, requestTargetsCount)
@ -364,7 +364,7 @@ func (s *SharedMonitorState) AppendTargets(ctx context.Context, tx *gorm.DB, cli
targets := make([]string, 0, len(componentItem.Targets))
targetParam := make(map[string]*orm.Measurement)
targetParam[target] = targetModel.GetMeasurementInfo()
config.components[interval] = &RealTimeMonitorComponent{
config.components[interval] = &RealTimeSubComponent{
targets: append(targets, target),
}
} else {
@ -380,8 +380,8 @@ func (s *SharedMonitorState) AppendTargets(ctx context.Context, tx *gorm.DB, cli
return targetProcessResults, nil
}
// UpsertTargets define function to upsert targets in SharedMonitorState
func (s *SharedMonitorState) UpsertTargets(ctx context.Context, tx *gorm.DB, clientID string, components []network.RealTimeComponentItem) ([]network.TargetResult, error) {
// UpsertTargets define function to upsert targets in SharedSubState
func (s *SharedSubState) UpsertTargets(ctx context.Context, tx *gorm.DB, clientID string, components []network.RealTimeComponentItem) ([]network.TargetResult, error) {
requestTargetsCount := processRealTimeRequestCount(components)
targetProcessResults, newComponentsMap, successfulTargets := processAndValidateTargets(ctx, tx, components, requestTargetsCount)
@ -399,7 +399,7 @@ func (s *SharedMonitorState) UpsertTargets(ctx context.Context, tx *gorm.DB, cli
opType = constants.OpAppend
s.globalMutex.Lock()
if config, exist = s.subMap[clientID]; !exist {
config = &RealTimeMonitorConfig{
config = &RealTimeSubConfig{
noticeChan: make(chan *transportTargets),
components: newComponentsMap,
}
@ -423,8 +423,8 @@ func (s *SharedMonitorState) UpsertTargets(ctx context.Context, tx *gorm.DB, cli
return targetProcessResults, nil
}
// RemoveTargets define function to remove targets in SharedMonitorState
func (s *SharedMonitorState) RemoveTargets(ctx context.Context, clientID string, components []network.RealTimeComponentItem) ([]network.TargetResult, error) {
// RemoveTargets define function to remove targets in SharedSubState
func (s *SharedSubState) RemoveTargets(ctx context.Context, clientID string, components []network.RealTimeComponentItem) ([]network.TargetResult, error) {
requestTargetsCount := processRealTimeRequestCount(components)
targetProcessResults := make([]network.TargetResult, 0, requestTargetsCount)
@ -519,8 +519,8 @@ func (s *SharedMonitorState) RemoveTargets(ctx context.Context, clientID string,
return targetProcessResults, nil
}
// Get define function to get subscriptions config from SharedMonitorState
func (s *SharedMonitorState) Get(clientID string) (*RealTimeMonitorConfig, bool) {
// Get define function to get subscriptions config from SharedSubState
func (s *SharedSubState) Get(clientID string) (*RealTimeSubConfig, bool) {
s.globalMutex.RLock()
defer s.globalMutex.RUnlock()

23
main.go
View File

@ -26,7 +26,6 @@ import (
"modelRT/router"
"modelRT/util"
"github.com/confluentinc/confluent-kafka-go/kafka"
"github.com/gin-gonic/gin"
"github.com/panjf2000/ants/v2"
swaggerFiles "github.com/swaggo/files"
@ -146,19 +145,6 @@ func main() {
}
defer anchorRealTimePool.Release()
// TODO 配置文件中增加 kafka 配置
// init cancel context
cancelCtx, cancel := context.WithCancel(ctx)
defer cancel()
customerConf := &kafka.ConfigMap{
"bootstrap.servers": modelRTConfig.KafkaConfig.Servers,
"group.id": modelRTConfig.KafkaConfig.GroupID,
"auto.offset.reset": modelRTConfig.KafkaConfig.AutoOffsetReset,
"enable.auto.commit": modelRTConfig.KafkaConfig.EnableAutoCommit,
}
go realtimedata.ReceiveChan(cancelCtx, customerConf, []string{modelRTConfig.KafkaConfig.Topic}, modelRTConfig.KafkaConfig.ReadMessageTimeDuration)
postgresDBClient.Transaction(func(tx *gorm.DB) error {
// load circuit diagram from postgres
// componentTypeMap, err := database.QueryCircuitDiagramComponentFromDB(cancelCtx, tx, parsePool)
@ -167,7 +153,14 @@ func main() {
// panic(err)
// }
// TODO 暂时屏蔽完成 swagger 启动测试
allMeasurement, err := database.GetAllMeasurements(ctx, tx)
if err != nil {
logger.Error(ctx, "load topologic info from postgres failed", "error", err)
panic(err)
}
go realtimedata.StartRealTimeDataComputing(ctx, allMeasurement)
tree, err := database.QueryTopologicFromDB(ctx, tx)
if err != nil {
logger.Error(ctx, "load topologic info from postgres failed", "error", err)

63
real-time-data/compute_state_manager.go Normal file
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@ -0,0 +1,63 @@
// Package realtimedata define real time data operation functions
package realtimedata
import "sync"
// ComputeConfig define struct of measurement computation
type ComputeConfig struct {
Cause map[string]any
Action map[string]any
StopGchan chan struct{}
}
// MeasComputeState define struct of manages the state of measurement computations using sync.Map
type MeasComputeState struct {
measMap sync.Map
}
// NewMeasComputeState define func to create and returns a new instance of MeasComputeState
func NewMeasComputeState() *MeasComputeState {
return &MeasComputeState{}
}
// Store define func to store a compute configuration for the specified key
func (m *MeasComputeState) Store(key string, config *ComputeConfig) {
m.measMap.Store(key, config)
}
// Load define func to retrieve the compute configuration for the specified key
func (m *MeasComputeState) Load(key string) (*ComputeConfig, bool) {
value, ok := m.measMap.Load(key)
if !ok {
return nil, false
}
return value.(*ComputeConfig), true
}
// Delete define func to remove the compute configuration for the specified key
func (m *MeasComputeState) Delete(key string) {
m.measMap.Delete(key)
}
// LoadOrStore define func to returns the existing compute configuration for the key if present,otherwise stores and returns the given configuration
func (m *MeasComputeState) LoadOrStore(key string, config *ComputeConfig) (*ComputeConfig, bool) {
value, loaded := m.measMap.LoadOrStore(key, config)
return value.(*ComputeConfig), loaded
}
// Range define func to iterate over all key-configuration pairs in the map
func (m *MeasComputeState) Range(f func(key string, config *ComputeConfig) bool) {
m.measMap.Range(func(key, value any) bool {
return f(key.(string), value.(*ComputeConfig))
})
}
// Len define func to return the number of compute configurations in the map
func (m *MeasComputeState) Len() int {
count := 0
m.measMap.Range(func(_, _ any) bool {
count++
return true
})
return count
}

43
real-time-data/real_time_data_computing.go
View File

@ -12,20 +12,44 @@ import (
"modelRT/diagram"
"modelRT/logger"
"modelRT/network"
"modelRT/orm"
"modelRT/pool"
"modelRT/util"
"github.com/confluentinc/confluent-kafka-go/kafka"
)
var (
// RealTimeDataChan define channel of real time data receive
var RealTimeDataChan chan network.RealTimeDataReceiveRequest
RealTimeDataChan chan network.RealTimeDataReceiveRequest
globalComputeState *MeasComputeState
)
func init() {
RealTimeDataChan = make(chan network.RealTimeDataReceiveRequest, 100)
globalComputeState = NewMeasComputeState()
}
// ReceiveChan define func of real time data receive and process
// StartRealTimeDataComputing define func to start real time data process goroutines by measurement info
func StartRealTimeDataComputing(ctx context.Context, measurements []orm.Measurement) {
for _, measurement := range measurements {
enableValue, exist := measurement.EventPlan["enable"]
enable, ok := enableValue.(bool)
if !exist || !enable {
logger.Info(ctx, "measurement object do not need real time data computing", "measurement_uuid", measurement.ComponentUUID)
continue
}
if !ok {
logger.Error(ctx, "covert enable variable to boolean type failed", "measurement_uuid", measurement.ComponentUUID, "enable", enableValue)
continue
}
// TODO 启动协程准备查询 redis 数据进行计算
}
}
// ReceiveChan define func to real time data receive and process
func ReceiveChan(ctx context.Context, consumerConfig *kafka.ConfigMap, topics []string, duration float32) {
consumer, err := kafka.NewConsumer(consumerConfig)
if err != nil {
@ -48,6 +72,7 @@ func ReceiveChan(ctx context.Context, consumerConfig *kafka.ConfigMap, topics []
for {
select {
case <-ctx.Done():
logger.Info(ctx, "stop real time data computing by context cancel")
return
case realTimeData := <-RealTimeDataChan:
componentUUID := realTimeData.PayLoad.ComponentUUID
@ -95,7 +120,7 @@ func ReceiveChan(ctx context.Context, consumerConfig *kafka.ConfigMap, topics []
msg, err := consumer.ReadMessage(batchTimeout)
if err != nil {
if err.(kafka.Error).Code() == kafka.ErrTimedOut {
// 超时时处理累积的消息
// process accumulated messages when timeout
if len(messages) > 0 {
processMessageBatch(ctx, messages)
consumer.Commit()
@ -103,13 +128,12 @@ func ReceiveChan(ctx context.Context, consumerConfig *kafka.ConfigMap, topics []
}
continue
}
logger.Error(ctx, "read message from kafka failed", "error", err)
logger.Error(ctx, "read message from kafka failed", "error", err, "msg", msg)
continue
}
messages = append(messages, msg)
// TODO 达到批处理大小或超时时间时处理消息
// process messages when batch size or timeout period is reached
if len(messages) >= batchSize || time.Since(lastCommit) >= batchTimeout {
processMessageBatch(ctx, messages)
consumer.Commit()
@ -133,7 +157,7 @@ func parseKafkaMessage(msgValue []byte) (*RealTimeData, error) {
var realTimeData RealTimeData
err := json.Unmarshal(msgValue, &realTimeData)
if err != nil {
return nil, fmt.Errorf("json unmarshal failed: %w", err)
return nil, fmt.Errorf("unmarshal real time data failed: %w", err)
}
return &realTimeData, nil
}
@ -194,13 +218,14 @@ func processRealTimeData(ctx context.Context, realTimeData *RealTimeData) {
}
}
// processMessageBatch define func to bathc process kafka message
func processMessageBatch(ctx context.Context, messages []*kafka.Message) {
for _, msg := range messages {
realTimeData, err := parseKafkaMessage(msg.Value)
if err != nil {
logger.Error(ctx, "parse kafka message failed", "error", err)
logger.Error(ctx, "parse kafka message failed", "error", err, "msg", msg)
continue
}
processRealTimeData(ctx, realTimeData)
go processRealTimeData(ctx, realTimeData)
}
}