et-go 20240919重建
 
 

85 lines
2.6 KiB

package stages
import (
"fmt"
"gitea.anxinyun.cn/container/common_models"
"gitea.anxinyun.cn/container/common_utils/configLoad"
"log"
"time"
)
// 阶段处理
type Stage struct {
Name string
In <-chan []*common_models.ProcessData
processFuncs []func([]*common_models.ProcessData) []*common_models.ProcessData
Out chan []*common_models.ProcessData
execOver chan bool //阶段执行完毕,用以排查超时
}
func NewStage(name string) *Stage {
stageBufSize := configLoad.LoadConfig().GetInt64("performance.node.stageBufSize")
return &Stage{
Name: name,
processFuncs: make([]func([]*common_models.ProcessData) []*common_models.ProcessData, 0),
In: make(<-chan []*common_models.ProcessData, stageBufSize),
Out: make(chan []*common_models.ProcessData, stageBufSize),
execOver: make(chan bool, 1),
}
}
func (s *Stage) StageRun() <-chan []*common_models.ProcessData {
go func() {
defer func() {
close(s.Out)
log.Printf("[%s]关闭out", s.Name)
}()
for n := range s.In {
log.Printf("[%s]接收数据 In[%p] 通道长度=%d/%d", s.Name, s.In, len(s.In), cap(s.In))
result := s.process(n)
s.Out <- result
}
log.Printf("%s over", s.Name)
}()
return s.Out
}
func (s *Stage) AddProcess(fun func([]*common_models.ProcessData) []*common_models.ProcessData) {
s.processFuncs = append(s.processFuncs, fun)
}
func (s *Stage) process(data []*common_models.ProcessData) []*common_models.ProcessData {
go s.handlerTimeOutCheck(s.Name, "批量处理耗时跟踪")
for _, processFunc := range s.processFuncs {
//tag := fmt.Sprintf("%d/%d", i+1, len(s.processFuncs))
log.Printf("stage[%s] start, len(data)=%d", s.Name, len(data))
func() {
defer timeCost(s.Name, fmt.Sprintf("ProcessData数组元素个数[%d]", len(data)), time.Now())
data = processFunc(data)
}()
log.Printf("stage[%s] over, len(data)=%d", s.Name, len(data))
}
s.execOver <- true
return data
}
func (s *Stage) handlerTimeOutCheck(stageName, deviceId string) {
stageTimeout := configLoad.LoadConfig().GetInt64("performance.node.stageTimeout")
defaultTimeout := time.Duration(stageTimeout) * time.Second
select {
case <-s.execOver:
case <-time.After(defaultTimeout):
log.Printf("=====================")
//TODO #TEST BEGIN 测试时可以注释掉下面这行,否则调试时超时,会引发一个 panic,导致程序中断。
log.Panicf("stage[%s] ->[%s] 流程处理,超时[%v],请排查", stageName, deviceId, defaultTimeout)
}
}
func timeCost(nodeId, deviceId string, start time.Time) {
tc := time.Since(start)
log.Printf("stage[%s] ->[%s] 耗时 = %v", nodeId, deviceId, tc)
}