76 lines
2.3 KiB
Go
76 lines
2.3 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"io"
|
|
"log/slog"
|
|
"net/http"
|
|
"os"
|
|
"os/signal"
|
|
"syscall"
|
|
"time"
|
|
|
|
"github.com/gin-gonic/gin"
|
|
"github.com/lmittmann/tint"
|
|
|
|
"anyproxy/internal/config"
|
|
"anyproxy/internal/middleware"
|
|
"anyproxy/internal/proxy"
|
|
"anyproxy/internal/version"
|
|
)
|
|
|
|
func main() {
|
|
cfg := config.Parse()
|
|
|
|
// 日志初始化设置
|
|
levelVar := new(slog.LevelVar)
|
|
if cfg.Debug { levelVar.Set(slog.LevelDebug) } else { levelVar.Set(slog.LevelInfo) }
|
|
var writer io.Writer = os.Stderr
|
|
if cfg.LogFile != "" {
|
|
f, err := os.OpenFile(cfg.LogFile, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
|
|
if err != nil { panic(err) }
|
|
writer = io.MultiWriter(os.Stderr, f)
|
|
}
|
|
h := tint.NewHandler(writer, &tint.Options{AddSource: true, Level: levelVar, TimeFormat: "2006-01-02 15:04:05"})
|
|
logger := slog.New(h)
|
|
slog.SetDefault(logger)
|
|
|
|
if cfg.Debug { gin.SetMode(gin.DebugMode) } else { gin.SetMode(gin.ReleaseMode) }
|
|
|
|
// 可复用的 HTTP 客户端（保持连接复用）
|
|
transport := &http.Transport{Proxy: http.ProxyFromEnvironment, DisableCompression: true}
|
|
client := &http.Client{Transport: transport}
|
|
if cfg.RequestTimeout > 0 { client.Timeout = time.Duration(cfg.RequestTimeout) * time.Second }
|
|
|
|
p := proxy.New(client, logger)
|
|
|
|
r := gin.New()
|
|
r.Use(middleware.Recovery(logger), middleware.RequestID(), middleware.Logger(logger))
|
|
|
|
r.GET("/", proxy.HelloPage) // 欢迎页面
|
|
r.Any("/proxy/*proxyPath", p.HandleProxyPath) // 处理 /proxy/*path 形式的请求
|
|
r.Any(":protocol/*remainder", p.HandleProtocol) // 处理 /:protocol/*remainder 形式的请求
|
|
|
|
logger.Info("服务器启动", "addr", cfg.Addr(), "debug", cfg.Debug, "version", version.Version, "commit", version.GitCommit)
|
|
|
|
// 优雅停机设置：监听系统信号，执行平滑关闭
|
|
srv := &http.Server{Addr: cfg.Addr(), Handler: r}
|
|
go func() {
|
|
if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
|
|
logger.Error("服务器监听错误", "error", err)
|
|
}
|
|
}()
|
|
|
|
stop := make(chan os.Signal, 1)
|
|
signal.Notify(stop, syscall.SIGINT, syscall.SIGTERM)
|
|
<-stop
|
|
logger.Info("开始关闭 (收到退出信号)")
|
|
ctx, cancel := context.WithTimeout(context.Background(), time.Duration(cfg.ShutdownGrace)*time.Second)
|
|
defer cancel()
|
|
if err := srv.Shutdown(ctx); err != nil {
|
|
logger.Error("关闭出错", "error", err)
|
|
} else {
|
|
logger.Info("关闭完成")
|
|
}
|
|
}
|