92 lines
2.2 KiB
Go
92 lines
2.2 KiB
Go
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package main
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import (
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"fmt"
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"log/slog"
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"net/http"
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"os"
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"time"
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"code.tczkiot.com/seqlog"
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)
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func main() {
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// 创建日志目录
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baseDir := "./logs"
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if err := os.MkdirAll(baseDir, 0755); err != nil {
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panic(err)
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}
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// 创建 LogHub
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logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{
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Level: slog.LevelInfo,
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}))
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handler := func(topic string, record *seqlog.Record) error {
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fmt.Printf("[%s] 处理记录: %s\n", topic, string(record.Data))
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return nil
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}
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hub := seqlog.NewLogHub(baseDir, logger, handler)
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// 启动 LogHub
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if err := hub.Start(); err != nil {
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panic(err)
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}
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defer hub.Stop()
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// 创建自己的 ServeMux
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mux := http.NewServeMux()
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// 注册自己的业务端点
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mux.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintf(w, `{"status":"ok","service":"my-app"}`)
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})
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mux.HandleFunc("/metrics", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "text/plain")
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fmt.Fprintf(w, "# HELP my_app_requests_total Total requests\n")
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fmt.Fprintf(w, "my_app_requests_total 12345\n")
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})
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// 在 /logs 路径下集成 seqlog Web UI
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// 方法 1：使用子路径（需要创建一个包装 ServeMux）
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logsMux := http.NewServeMux()
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if err := hub.RegisterWebUIRoutes(logsMux); err != nil {
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panic(err)
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}
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mux.Handle("/logs/", http.StripPrefix("/logs", logsMux))
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// 启动模拟写日志
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go func() {
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topics := []string{"app", "system", "access"}
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count := 0
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ticker := time.NewTicker(500 * time.Millisecond)
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defer ticker.Stop()
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for range ticker.C {
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count++
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topic := topics[count%len(topics)]
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message := fmt.Sprintf("日志消息 %d - %s", count, time.Now().Format(time.RFC3339))
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if _, err := hub.Write(topic, []byte(message)); err != nil {
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fmt.Printf("写入失败: %v\n", err)
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}
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}
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}()
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// 启动服务器
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fmt.Println("\n==== Seqlog 集成示例 ====")
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fmt.Println("业务端点:")
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fmt.Println(" - http://localhost:8080/health")
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fmt.Println(" - http://localhost:8080/metrics")
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fmt.Println("Web UI:")
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fmt.Println(" - http://localhost:8080/logs/")
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fmt.Println("按 Ctrl+C 退出")
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if err := http.ListenAndServe(":8080", mux); err != nil {
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fmt.Printf("服务器错误: %v\n", err)
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}
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}
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