contrib/sb-bsd-sockets/local.lisp

   1 (in-package :sb-bsd-sockets)
   2
   3 (defclass local-socket (socket)
   4   ((family :initform sockint::af-local))
   5   (:documentation "Class representing local domain (AF_LOCAL) sockets,
   6 also known as unix-domain sockets."))
   7
   8 (defmethod make-sockaddr-for ((socket local-socket)
   9                               &optional sockaddr &rest address &aux (filename (first address)))
  10   (let ((sockaddr (or sockaddr (sockint::allocate-sockaddr-un))))
  11     (setf (sockint::sockaddr-un-family sockaddr) sockint::af-local)
  12     (when filename
  13       (setf (sockint::sockaddr-un-path sockaddr) filename))
  14     sockaddr))
  15
  16 (defmethod free-sockaddr-for ((socket local-socket) sockaddr)
  17   (sockint::free-sockaddr-un sockaddr))
  18
  19 (defmethod size-of-sockaddr ((socket local-socket))
  20   sockint::size-of-sockaddr-un)
  21
  22 (defmethod bits-of-sockaddr ((socket local-socket) sockaddr)
  23   "Return the file name of the local socket address SOCKADDR."
  24   (let ((name (sockint::sockaddr-un-path sockaddr)))
  25     (if (zerop (length name)) nil name)))
  26