Move utils to internal

internal/utils/rlimit.go

@@ -0,0 +1,24 @@
+// +build !windows
+
+package utils
+
+import (
+	"fmt"
+
+	"golang.org/x/sys/unix"
+)
+
+func SetLimits() error {
+	rLimit := unix.Rlimit{}
+	if err := unix.Getrlimit(unix.RLIMIT_NOFILE, &rLimit); err != nil {
+		return fmt.Errorf("cannot get rlimit: %w", err)
+	}
+
+	rLimit.Cur = rLimit.Max
+
+	if err := unix.Setrlimit(unix.RLIMIT_NOFILE, &rLimit); err != nil {
+		return fmt.Errorf("cannot set rlimit: %w", err)
+	}
+
+	return nil
+}

internal/utils/rlimit_windows.go

@@ -0,0 +1,7 @@
+// +build windows
+
+package utils
+
+func SetLimits() error {
+	return nil
+}

internal/utils/root_context.go

@@ -0,0 +1,25 @@
+// +build !windows
+
+package utils
+
+import (
+	"context"
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+func RootContext() context.Context {
+	ctx, cancel := context.WithCancel(context.Background())
+	sigChan := make(chan os.Signal, 1)
+
+	signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
+
+	go func() {
+		for range sigChan {
+			cancel()
+		}
+	}()
+
+	return ctx
+}

internal/utils/root_context_windows.go

@@ -0,0 +1,23 @@
+// +build windows
+
+package utils
+
+import (
+	"context"
+	"os"
+	"os/signal"
+)
+
+func RootContext() context.Context {
+	ctx, cancel := context.WithCancel(context.Background())
+	sigChan := make(chan os.Signal, 1)
+
+	signal.Notify(sigChan, os.Interrupt)
+	go func() {
+		for range sigChan {
+			cancel()
+		}
+	}()
+
+	return ctx
+}