Make api availble over socket

Former-commit-id: e464af5302

api/api_unix.go

@@ -0,0 +1,50 @@
+//go:build !windows
+// +build !windows
+
+package api
+
+import (
+	"fmt"
+	"net"
+	"os"
+	"path/filepath"
+
+	"github.com/fosrl/newt/logger"
+)
+
+// createSocketListener creates a Unix domain socket listener
+func createSocketListener(socketPath string) (net.Listener, error) {
+	// Ensure the directory exists
+	dir := filepath.Dir(socketPath)
+	if err := os.MkdirAll(dir, 0755); err != nil {
+		return nil, fmt.Errorf("failed to create socket directory: %w", err)
+	}
+
+	// Remove existing socket file if it exists
+	if err := os.RemoveAll(socketPath); err != nil {
+		return nil, fmt.Errorf("failed to remove existing socket: %w", err)
+	}
+
+	listener, err := net.Listen("unix", socketPath)
+	if err != nil {
+		return nil, fmt.Errorf("failed to listen on Unix socket: %w", err)
+	}
+
+	// Set socket permissions to allow access
+	if err := os.Chmod(socketPath, 0666); err != nil {
+		listener.Close()
+		return nil, fmt.Errorf("failed to set socket permissions: %w", err)
+	}
+
+	logger.Debug("Created Unix socket at %s", socketPath)
+	return listener, nil
+}
+
+// cleanupSocket removes the Unix socket file
+func cleanupSocket(socketPath string) {
+	if err := os.Remove(socketPath); err != nil && !os.IsNotExist(err) {
+		logger.Error("Failed to remove socket file %s: %v", socketPath, err)
+	} else {
+		logger.Debug("Removed Unix socket at %s", socketPath)
+	}
+}