/
manager.go
213 lines (169 loc) · 4.62 KB
/
manager.go
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package elem
import (
"errors"
"sync"
"github.com/Bitspark/go-funk"
"github.com/Bitspark/slang/pkg/core"
"github.com/google/uuid"
)
type builtinConfig struct {
opConnFunc core.CFunc
opFunc core.OFunc
blueprint core.Blueprint
safe bool
}
var SafeMode bool
var cfgs map[uuid.UUID]*builtinConfig
var name2Id map[string]uuid.UUID
func MakeOperator(def core.InstanceDef) (*core.Operator, error) {
cfg := getBuiltinCfg(def.Operator)
if cfg == nil {
return nil, errors.New("unknown builtin operator")
}
if err := def.Blueprint.GenericsSpecified(); err != nil {
return nil, err
}
o, err := core.NewOperator(def.Name, cfg.opFunc, cfg.opConnFunc, def.Generics, def.Properties, def.Blueprint)
if err != nil {
return nil, err
}
return o, nil
}
func GetBlueprint(id uuid.UUID) (*core.Blueprint, error) {
cfg, ok := cfgs[id]
if !ok {
return nil, errors.New("builtin operator not found")
}
blueprint := cfg.blueprint.Copy(true)
return &blueprint, nil
}
func IsRegistered(id uuid.UUID) bool {
_, b := cfgs[id]
return b
}
func Register(cfg *builtinConfig) {
if SafeMode && SafeMode != cfg.safe {
// slang run in safe mode,
// unsafe elementary operators cannot be registered
return
}
cfg.blueprint.Elementary = cfg.blueprint.Id
id := cfg.blueprint.Id
cfgs[id] = cfg
name2Id[cfg.blueprint.Meta.Name] = id
}
func GetBuiltinIds() []uuid.UUID {
return funk.Keys(cfgs).([]uuid.UUID)
}
func Init() {
cfgs = make(map[uuid.UUID]*builtinConfig)
name2Id = make(map[string]uuid.UUID)
Register(metaStoreCfg)
// Data manipulating operators
Register(dataValueCfg)
Register(dataEvaluateCfg)
Register(dataConvertCfg)
Register(dataUUIDCfg)
Register(dataVariableSetCfg)
Register(dataVariableGetCfg)
Register(randRangeCfg)
// Flow control operators
Register(controlSplitCfg)
Register(controlSwitchCfg)
Register(controlTakeCfg)
Register(controlLoopCfg)
Register(controlIterateCfg)
Register(controlReduceCfg)
Register(controlSemaphorePCfg)
Register(controlSemaphoreVCfg)
// Stream accessing and processing operators
Register(streamSerializeCfg)
Register(streamParallelizeCfg)
Register(streamConcatenateCfg)
Register(streamMapAccessCfg)
Register(streamWindowCfg)
Register(streamWindowCollectCfg)
Register(streamWindowReleaseCfg)
Register(streamMapToStreamCfg)
Register(streamStreamToMapCfg)
Register(streamSliceCfg)
Register(streamTransformCfg)
Register(streamDistinctCfg)
// Miscellaneous operators
Register(netHTTPServerCfg)
Register(netHTTPClientCfg)
Register(netSendEmailCfg)
Register(netMQTTPublishCfg)
Register(netMQTTSubscribeCfg)
Register(filesReadCfg)
Register(filesWriteCfg)
Register(filesAppendCfg)
Register(filesReadLinesCfg)
Register(filesZIPPackCfg)
Register(filesZIPUnpackCfg)
Register(encodingCSVReadCfg)
Register(encodingCSVWriteCfg)
Register(encodingJSONReadCfg)
Register(encodingJSONWriteCfg)
Register(encodingJSONPathCfg)
Register(encodingXLSXReadCfg)
Register(encodingURLWriteCfg)
Register(timeDelayCfg)
Register(timeCrontabCfg)
Register(timeParseDateCfg)
Register(timeDateNowCfg)
Register(timeUNIXMillisCfg)
Register(stringTemplateCfg)
Register(stringFormatCfg)
Register(stringSplitCfg)
Register(stringBeginswithCfg)
Register(stringContainsCfg)
Register(stringEndswithCfg)
Register(databaseQueryCfg)
Register(databaseExecuteCfg)
Register(databaseKafkaSubscribeCfg)
Register(databaseRedisGetCfg)
Register(databaseRedisSetCfg)
Register(databaseRedisHGetCfg)
Register(databaseRedisHSetCfg)
Register(databaseRedisLPushCfg)
Register(databaseRedisHIncrByCfg)
Register(databaseRedisSubscribeCfg)
Register(databaseMemoryReadCfg)
Register(databaseMemoryWriteCfg)
Register(imageDecodeCfg)
Register(imageEncodeCfg)
Register(shellExecuteCfg)
Register(systemLogCfg)
variableStores = make(map[string]*variableStore)
variableMutex = &sync.Mutex{}
windowStores = make(map[string]*windowStore)
windowMutex = &sync.Mutex{}
memoryStores = make(map[string]*memoryStore)
memoryMutex = &sync.Mutex{}
semaphoreStores = make(map[string]*semaphoreStore)
semaphoreMutex = &sync.Mutex{}
}
func getBuiltinCfg(id uuid.UUID) *builtinConfig {
c, _ := cfgs[id]
return c
}
func getBuiltinCfgErr(id uuid.UUID) (*builtinConfig, error) {
cfg, ok := cfgs[id]
if !ok {
return nil, errors.New("builtin operator not found")
}
return cfg, nil
}
// Mainly for testing
func buildOperator(insDef core.InstanceDef) (*core.Operator, error) {
blueprint, err := GetBlueprint(insDef.Operator)
if err != nil {
return nil, err
}
if err = blueprint.SpecifyOperator(insDef.Generics, insDef.Properties); err != nil {
return nil, err
}
insDef.Blueprint = *blueprint
return MakeOperator(insDef)
}