138 lines
2.9 KiB
Go
138 lines
2.9 KiB
Go
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package main
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import (
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"context"
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"fmt"
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"log"
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"net/http"
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"time"
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"code.tczkiot.com/wlw/taskq"
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"github.com/redis/go-redis/v9"
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)
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// 定义任务数据结构
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type EmailTask struct {
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UserID int `json:"user_id"`
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TemplateID string `json:"template_id"`
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}
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type ImageResizeTask struct {
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SourceURL string `json:"source_url"`
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}
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// 定义任务处理器
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func handleEmailTask(ctx context.Context, t EmailTask) error {
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log.Printf("处理邮件任务: 用户ID=%d, 模板ID=%s", t.UserID, t.TemplateID)
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// 模拟邮件发送逻辑
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return nil
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}
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func handleImageResizeTask(ctx context.Context, t ImageResizeTask) error {
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log.Printf("处理图片调整任务: 源URL=%s", t.SourceURL)
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// 模拟图片调整逻辑
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return nil
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}
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func main() {
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// 创建 Redis 客户端
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rdb := redis.NewClient(&redis.Options{
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Addr: "127.0.0.1:6379",
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DB: 1,
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})
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defer rdb.Close()
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// 初始化 taskq
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taskq.SetRedis(rdb)
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taskq.Init()
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// 创建邮件任务
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emailTask := &taskq.Task[EmailTask]{
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Queue: "email",
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Name: "email:deliver",
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MaxRetries: 3,
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Priority: 5,
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TTR: 0,
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Handler: handleEmailTask,
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}
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// 创建图片调整任务
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imageTask := &taskq.Task[ImageResizeTask]{
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Queue: "image",
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Name: "image:resize",
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MaxRetries: 3,
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Priority: 3,
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TTR: 0,
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Handler: handleImageResizeTask,
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}
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// 注册任务
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if err := taskq.Register(emailTask); err != nil {
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log.Fatal("注册邮件任务失败:", err)
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}
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if err := taskq.Register(imageTask); err != nil {
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log.Fatal("注册图片任务失败:", err)
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}
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// 创建监控处理器
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handler, err := taskq.NewInspectHandler(taskq.InspectOptions{
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RootPath: "/monitor",
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ReadOnly: false,
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})
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if err != nil {
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log.Fatal("创建监控处理器失败:", err)
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}
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// 启动 taskq 服务器
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ctx := context.Background()
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go func() {
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err := taskq.Start(ctx)
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if err != nil {
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log.Fatal("启动 taskq 服务器失败:", err)
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}
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}()
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// 定时发布任务
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go func() {
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ticker := time.NewTicker(5 * time.Second) // 每5秒发布一次任务
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defer ticker.Stop()
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taskCounter := 0
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for {
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select {
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case <-ctx.Done():
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return
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case <-ticker.C:
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taskCounter++
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// 发布邮件任务
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err := emailTask.Publish(ctx, EmailTask{
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UserID: taskCounter,
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TemplateID: "welcome",
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})
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if err != nil {
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log.Printf("发布邮件任务失败: %v", err)
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} else {
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log.Printf("发布邮件任务成功: 用户ID=%d", taskCounter)
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}
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// 发布图片调整任务
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err = imageTask.Publish(ctx, ImageResizeTask{
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SourceURL: fmt.Sprintf("https://example.com/image%d.jpg", taskCounter),
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})
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if err != nil {
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log.Printf("发布图片任务失败: %v", err)
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} else {
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log.Printf("发布图片任务成功: 任务ID=%d", taskCounter)
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}
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}
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}
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}()
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// 启动 HTTP 服务器提供监控界面
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log.Printf("启动监控服务器在 http://localhost:8080")
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log.Fatal(http.ListenAndServe(":8080", handler))
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}
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