Initial commit

internal/server/signals_unix.go

@@ -0,0 +1,46 @@
+//go:build !windows
+
+package server
+
+import (
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/eleksir/pekoe/internal/logger"
+)
+
+// signalSetup configures signal handlers for Unix systems.
+// Returns a channel that receives incoming signals.
+func signalSetup() chan os.Signal {
+	sigCh := make(chan os.Signal, 1)
+	signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM, syscall.SIGHUP, syscall.SIGUSR1)
+	return sigCh
+}
+
+// handleSignal processes a received signal and returns true if the server should shutdown.
+func (s *Server) handleSignal(sig os.Signal) bool {
+	switch sig {
+	case syscall.SIGUSR1:
+		// Reopen log files for log rotation
+		if err := logger.Reopen(); err != nil {
+			logger.Error("event=log_reopen_error error=%v", err)
+		} else {
+			logger.Info("event=log_reopened")
+		}
+		return false // Continue listening
+
+	case syscall.SIGINT, syscall.SIGTERM:
+		// Graceful shutdown
+		logger.Info("event=shutdown signal=%v", sig)
+		return true // Shutdown
+
+	case syscall.SIGHUP:
+		// Reserved for future config reload functionality
+		logger.Info("event=sighup_ignored message=reload not implemented")
+		return false // Continue listening
+
+	default:
+		return false
+	}
+}