123 lines
2.7 KiB
Go
123 lines
2.7 KiB
Go
package main
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import (
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"context"
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"log"
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"log/slog"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"proxyrotator/internal/api"
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"proxyrotator/internal/config"
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"proxyrotator/internal/importer"
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"proxyrotator/internal/selector"
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"proxyrotator/internal/store"
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"proxyrotator/internal/telegram"
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"proxyrotator/internal/tester"
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)
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func main() {
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// 配置日志
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slog.SetDefault(slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{
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Level: slog.LevelInfo,
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})))
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// 加载配置
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cfg := config.Load()
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slog.Info("starting proxyrotator",
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"listen_addr", cfg.ListenAddr,
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"max_concurrency", cfg.MaxConcurrency,
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"max_test_limit", cfg.MaxTestLimit,
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"lease_ttl", cfg.LeaseTTL,
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"telegram_enabled", cfg.TelegramBotToken != "",
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)
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// 连接数据库
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ctx := context.Background()
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pgStore, err := store.NewPgStore(ctx, cfg.DatabaseURL)
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if err != nil {
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log.Fatalf("failed to connect to database: %v", err)
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}
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defer pgStore.Close()
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slog.Info("connected to database")
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// 初始化组件
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imp := importer.NewImporter()
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tst := tester.NewHTTPTester()
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sel := selector.NewSelector(pgStore, cfg.LeaseTTL)
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// 初始化 Telegram Bot
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bot := telegram.NewBot(cfg, pgStore)
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// 启动 Telegram Bot
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if err := bot.Start(ctx); err != nil {
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slog.Warn("failed to start telegram bot", "error", err)
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}
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defer bot.Stop()
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// 创建路由
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router := api.NewRouter(pgStore, imp, tst, sel, cfg)
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// 创建 HTTP 服务器
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server := &http.Server{
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Addr: cfg.ListenAddr,
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Handler: router,
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ReadTimeout: 30 * time.Second,
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WriteTimeout: 120 * time.Second,
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IdleTimeout: 60 * time.Second,
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}
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// 启动后台任务：清理过期租约
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go cleanupLoop(ctx, pgStore)
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// 启动服务器（在 goroutine 中）
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go func() {
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slog.Info("server listening", "addr", cfg.ListenAddr)
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if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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log.Fatalf("server error: %v", err)
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}
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}()
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// 等待中断信号
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quit := make(chan os.Signal, 1)
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signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
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<-quit
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slog.Info("shutting down server...")
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// 优雅关闭
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shutdownCtx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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if err := server.Shutdown(shutdownCtx); err != nil {
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log.Fatalf("server shutdown error: %v", err)
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}
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slog.Info("server stopped")
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}
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// cleanupLoop 定期清理过期租约
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func cleanupLoop(ctx context.Context, s *store.PgStore) {
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ticker := time.NewTicker(1 * time.Minute)
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defer ticker.Stop()
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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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deleted, err := s.DeleteExpiredLeases(ctx)
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if err != nil {
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slog.Error("failed to cleanup expired leases", "error", err)
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} else if deleted > 0 {
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slog.Info("cleaned up expired leases", "count", deleted)
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}
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}
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}
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}
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