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asynctask.go
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/
asynctask.go
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package config
import (
"context"
"github.com/RichardKnop/machinery/v2"
redisbackend "github.com/RichardKnop/machinery/v2/backends/redis"
"github.com/RichardKnop/machinery/v2/backends/result"
redisbroker "github.com/RichardKnop/machinery/v2/brokers/redis"
"github.com/RichardKnop/machinery/v2/config"
eagerlock "github.com/RichardKnop/machinery/v2/locks/eager"
"github.com/RichardKnop/machinery/v2/tasks"
"github.com/TangSengDaoDao/TangSengDaoDaoServerLib/pkg/log"
"go.uber.org/zap"
)
// AsyncTask 异步任务
type AsyncTask struct {
server *machinery.Server
log.Log
}
// NewAsyncTask 创建一个异步任务
func NewAsyncTask(cfg *Config) *AsyncTask {
cnf := &config.Config{
DefaultQueue: "machinery_tasks",
ResultsExpireIn: 3600,
Redis: &config.RedisConfig{
MaxIdle: 3,
IdleTimeout: 240,
ReadTimeout: 15,
WriteTimeout: 15,
ConnectTimeout: 15,
NormalTasksPollPeriod: 1000,
DelayedTasksPollPeriod: 500,
},
}
broker := redisbroker.NewGR(cnf, []string{cfg.DB.AsynctaskRedisAddr}, 0)
backend := redisbackend.NewGR(cnf, []string{cfg.DB.AsynctaskRedisAddr}, 0)
lock := eagerlock.New()
t := &AsyncTask{
Log: log.NewTLog("AsyncTask"),
}
server := machinery.NewServer(cnf, broker, backend, lock)
t.server = server
return t
}
// RegisterTask 注册任务
func (a *AsyncTask) RegisterTask(name string, taskFunc interface{}) error {
return a.server.RegisterTask(name, taskFunc)
}
// RegisterTasks 注册任务
func (a *AsyncTask) RegisterTasks(namedTaskFuncs map[string]interface{}) error {
return a.server.RegisterTasks(namedTaskFuncs)
}
// SendTask 发送任务
func (a *AsyncTask) SendTask(task *tasks.Signature) (*result.AsyncResult, error) {
return a.server.SendTask(task)
}
// SendTaskWithContext 发送任务
func (a *AsyncTask) SendTaskWithContext(ctx context.Context, task *tasks.Signature) (*result.AsyncResult, error) {
return a.server.SendTaskWithContext(ctx, task)
}
// LaunchWorker 启动消费worker [concurrency]并发数
func (a *AsyncTask) LaunchWorker(consumerTag string, concurrency int) error {
worker := a.server.NewWorker(consumerTag, concurrency)
errorhandler := func(err error) {
a.Debug("I am an error handler", zap.Error(err))
}
pretaskhandler := func(signature *tasks.Signature) {
a.Debug("I am a start of task handler for", zap.String("name", signature.Name))
}
posttaskhandler := func(signature *tasks.Signature) {
a.Debug("I am an end of task handler for", zap.String("name", signature.Name))
}
worker.SetPostTaskHandler(posttaskhandler)
worker.SetErrorHandler(errorhandler)
worker.SetPreTaskHandler(pretaskhandler)
return worker.Launch()
}