;;; Resolving
#-sb-bsd-sockets-addrinfo
-(sb-ext:defglobal **gethostby-lock** (sb-thread:make-mutex :name "gethostby lock"))
+(progn
+ (sb-ext:defglobal **gethostby-lock**
+ (sb-thread:make-mutex :name "gethostby lock"))
-(defun get-host-by-name (host-name)
- "Returns a HOST-ENT instance for HOST-NAME or signals a NAME-SERVICE-ERROR.
+ (defun get-host-by-name (host-name)
+ "Returns a HOST-ENT instance for HOST-NAME or signals a NAME-SERVICE-ERROR.
HOST-NAME may also be an IP address in dotted quad notation or some other
-weird stuff - see gethostbyname(3) or getaddrinfo(3) for the details."
- #+sb-bsd-sockets-addrinfo
- (get-address-info host-name)
- #-sb-bsd-sockets-addrinfo
- (sb-thread::with-system-mutex (**gethostby-lock** :allow-with-interrupts t)
- (make-host-ent (sockint::gethostbyname host-name))))
+weird stuff - see gethostbyname(3) for the details."
+ (sb-thread::with-system-mutex (**gethostby-lock** :allow-with-interrupts t)
+ (make-host-ent (sockint::gethostbyname host-name))))
-(defun get-host-by-address (address)
- "Returns a HOST-ENT instance for ADDRESS, which should be a vector of
- (integer 0 255), or signals a NAME-SERVICE-ERROR. See gethostbyaddr(3)
- or gethostinfo(3) for details."
- #+sb-bsd-sockets-addrinfo
- (get-name-info address)
- #-sb-bsd-sockets-addrinfo
- (sb-thread::with-system-mutex (**gethostby-lock** :allow-with-interrupts t)
- (sockint::with-in-addr packed-addr ()
- (let ((addr-vector (coerce address 'vector)))
- (loop for i from 0 below (length addr-vector)
- do (setf (sb-alien:deref (sockint::in-addr-addr packed-addr) i)
- (elt addr-vector i)))
- (make-host-ent (sockint::gethostbyaddr packed-addr
- 4
- sockint::af-inet))))))
+ (defun get-host-by-address (address)
+ "Returns a HOST-ENT instance for ADDRESS, which should be a vector of
+ (integer 0 255), or signals a NAME-SERVICE-ERROR. See gethostbyaddr(3)
+ for details."
+ (sb-thread::with-system-mutex (**gethostby-lock** :allow-with-interrupts t)
+ (sockint::with-in-addr packed-addr ()
+ (let ((addr-vector (coerce address 'vector)))
+ (loop for i from 0 below (length addr-vector)
+ do (setf (sb-alien:deref (sockint::in-addr-addr packed-addr) i)
+ (elt addr-vector i)))
+ (make-host-ent (sockint::gethostbyaddr packed-addr
+ 4
+ sockint::af-inet)))))))
-;;; Emulate the above two functions with getaddrinfo / getnameinfo
-
-#+sb-bsd-sockets-addrinfo
-(declaim (inline get-address-info))
#+sb-bsd-sockets-addrinfo
-(defun get-address-info (node)
- (declare (optimize speed))
- (sb-alien:with-alien ((info (* sockint::addrinfo)))
- (let* ((err (sockint::getaddrinfo node nil nil (sb-alien:addr info)))
- (to-free info))
- (if (zerop err)
- (let ((host-ent (make-instance 'host-ent
- :name node
- :type sockint::af-inet
- :aliases nil
- :addresses nil)))
- (loop until (sb-alien::null-alien info)
- ;; Only handle AF_INET currently.
- do
- (when (eq (sockint::addrinfo-family info) sockint::af-inet)
- (let* ((sockaddr (sockint::addrinfo-addr info))
- (address (sockint::sockaddr-in-addr sockaddr)))
- ;; The same effective result can be multiple time
- ;; in the list, with different socktypes. Only record
- ;; each address once.
- (setf (slot-value host-ent 'addresses)
- (adjoin (naturalize-unsigned-byte-8-array address
- 4)
- (host-ent-addresses host-ent)
- :test 'equalp))))
- (setf info (sockint::addrinfo-next info)))
- (sockint::freeaddrinfo to-free)
- host-ent)
- (addrinfo-error "getaddrinfo" err)))))
-
-(defconstant ni-max-host 1025)
+(defconstant ni-max-host 1025) ;; Not inside PROGN because of #.
#+sb-bsd-sockets-addrinfo
-(declaim (inline get-name-info))
-#+sb-bsd-sockets-addrinfo
-(defun get-name-info (address)
- (declare (optimize speed)
- (vector address))
- (assert (= (length address) 4))
- (sockint::with-sockaddr-in sockaddr ()
- (sb-alien:with-alien ((host-buf (array char #.ni-max-host)))
- #+darwin (setf (sockint::sockaddr-in-len sockaddr) 16)
- (setf (sockint::sockaddr-in-family sockaddr) sockint::af-inet)
- (dotimes (i 4)
- (setf (sb-alien:deref (sockint::sockaddr-in-addr sockaddr) i)
- (aref address i)))
- (let ((err (sockint::getnameinfo sockaddr
- (sb-alien:alien-size sockint::sockaddr-in :bytes)
- (sb-alien:cast host-buf (* char)) ni-max-host
- nil 0
- sockint::ni-namereqd)))
+(progn
+ (defun get-host-by-name (node)
+ "Returns a HOST-ENT instance for HOST-NAME or signals a NAME-SERVICE-ERROR.
+HOST-NAME may also be an IP address in dotted quad notation or some other
+weird stuff - see getaddrinfo(3) for the details."
+ (declare (optimize speed))
+ (sb-alien:with-alien ((info (* sockint::addrinfo)))
+ (let* ((err (sockint::getaddrinfo node nil nil (sb-alien:addr info)))
+ (to-free info))
(if (zerop err)
- (make-instance 'host-ent
- :name (sb-alien::c-string-to-string
- (sb-alien:alien-sap host-buf)
- (sb-impl::default-external-format)
- 'character)
- :type sockint::af-inet
- :aliases nil
- :addresses (list address))
- (addrinfo-error "getnameinfo" err))))))
+ (let ((host-ent (make-instance 'host-ent
+ :name node
+ :type sockint::af-inet
+ :aliases nil
+ :addresses nil)))
+ (loop until (sb-alien::null-alien info)
+ ;; Only handle AF_INET currently.
+ do
+ (when (eq (sockint::addrinfo-family info) sockint::af-inet)
+ (let* ((sockaddr (sockint::addrinfo-addr info))
+ (address (sockint::sockaddr-in-addr sockaddr)))
+ ;; The same effective result can be multiple time
+ ;; in the list, with different socktypes. Only record
+ ;; each address once.
+ (setf (slot-value host-ent 'addresses)
+ (adjoin (naturalize-unsigned-byte-8-array address
+ 4)
+ (host-ent-addresses host-ent)
+ :test 'equalp))))
+ (setf info (sockint::addrinfo-next info)))
+ (sockint::freeaddrinfo to-free)
+ host-ent)
+ (addrinfo-error "getaddrinfo" err)))))
+
+ (defun get-host-by-address (address)
+ "Returns a HOST-ENT instance for ADDRESS, which should be a vector of
+ (integer 0 255), or signals a NAME-SERVICE-ERROR.
+ See gethostbyaddr(3) for details."
+ (declare (optimize speed)
+ (vector address))
+ (assert (= (length address) 4))
+ (sockint::with-sockaddr-in sockaddr ()
+ (sb-alien:with-alien ((host-buf (array char #.ni-max-host)))
+ #+darwin (setf (sockint::sockaddr-in-len sockaddr) 16)
+ (setf (sockint::sockaddr-in-family sockaddr) sockint::af-inet)
+ (dotimes (i 4)
+ (setf (sb-alien:deref (sockint::sockaddr-in-addr sockaddr) i)
+ (aref address i)))
+ (let ((err (sockint::getnameinfo
+ sockaddr
+ (sb-alien:alien-size sockint::sockaddr-in :bytes)
+ (sb-alien:cast host-buf (* char)) ni-max-host
+ nil 0
+ sockint::ni-namereqd)))
+ (if (zerop err)
+ (make-instance 'host-ent
+ :name (sb-alien::c-string-to-string
+ (sb-alien:alien-sap host-buf)
+ (sb-impl::default-external-format)
+ 'character)
+ :type sockint::af-inet
+ :aliases nil
+ :addresses (list address))
+ (addrinfo-error "getnameinfo" err)))))))
;;; Error handling
projects / sbcl.git / commitdiff