(defpackage "SB-BSD-SOCKETS-TEST"   (:use "CL" "SB-BSD-SOCKETS" "SB-RT")) (in-package :sb-bsd-sockets-test) ;;; a real address (deftest make-inet-address   (equalp (make-inet-address "127.0.0.1")  #(127 0 0 1))   t) ;;; and an address with bit 8 set on some octets (deftest make-inet-address2   (equalp (make-inet-address "242.1.211.3")  #(242 1 211 3))   t) (deftest get-protocol-by-name/tcp     (integerp (get-protocol-by-name "tcp"))   t) (deftest get-protocol-by-name/udp   (integerp (get-protocol-by-name "udp"))   t) (deftest get-protocol-by-name/error   (handler-case (get-protocol-by-name "nonexistent-protocol")     (unknown-protocol ()       t)     (:no-error ()       nil))   t) (deftest make-inet-socket   ;; make a socket  (let ((s (make-instance 'inet-socket :type :stream :protocol (get-protocol-by-name "tcp"))))     (and (> (socket-file-descriptor s) 1) t))   t) (deftest make-inet-socket-keyword     ;; make a socket    (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp)))       (and (> (socket-file-descriptor s) 1) t))   t) (deftest make-inet-socket-wrong     ;; fail to make a socket: check correct error return.  There's no nice    ;; way to check the condition stuff on its own, which is a shame    (handler-case         (make-instance 'inet-socket :type :stream :protocol (get-protocol-by-name "udp"))       ((or socket-type-not-supported-error protocol-not-supported-error) (c)         (declare (ignorable c)) t)       (:no-error nil))   t) (deftest make-inet-socket-keyword-wrong     ;; same again with keywords    (handler-case         (make-instance 'inet-socket :type :stream :protocol :udp)       ((or protocol-not-supported-error socket-type-not-supported-error) (c)         (declare (ignorable c)) t)       (:no-error nil))   t) (deftest non-block-socket   (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp)))     (setf (non-blocking-mode s) t)     (non-blocking-mode s))   t) (defun do-gc-portably ()   ;; cmucl on linux has generational gc with a keyword argument,  ;; sbcl GC function takes same arguments no matter what collector is in  ;; use  #+(or sbcl gencgc) (SB-EXT:gc :full t)   ;; other platforms have full gc or nothing  #-(or sbcl gencgc) (sb-ext:gc)) (deftest inet-socket-bind   (let ((s (make-instance 'inet-socket :type :stream :protocol (get-protocol-by-name "tcp"))))     ;; Given the functions we've got so far, if you can think of a    ;; better way to make sure the bind succeeded than trying it    ;; twice, let me know    ;; 1974 has no special significance, unless you're the same age as me    (do-gc-portably) ;gc should clear out any old sockets bound to this port    (socket-bind s (make-inet-address "127.0.0.1") 1974)     (handler-case         (let ((s2 (make-instance 'inet-socket :type :stream :protocol (get-protocol-by-name "tcp"))))           (socket-bind s2 (make-inet-address "127.0.0.1") 1974)           nil)       (address-in-use-error () t)))   t) (deftest simple-sockopt-test   ;; test we can set SO_REUSEADDR on a socket and retrieve it, and in  ;; the process that all the weird macros in sockopt happened right.  (let ((s (make-instance 'inet-socket :type :stream :protocol (get-protocol-by-name "tcp"))))     (setf (sockopt-reuse-address s) t)     (sockopt-reuse-address s))   t) (defun read-buf-nonblock (buffer stream)   "Like READ-SEQUENCE, but returns early if the full quantity of data isn't there to be read.  Blocks if no input at all"   (let ((eof (gensym)))     (do ((i 0 (1+ i))          (c (read-char stream nil eof)             (read-char-no-hang stream nil eof)))         ((or (>= i (length buffer)) (not c) (eq c eof)) i)       (setf (elt buffer i) c)))) #+internet-available (deftest name-service-return-type   (vectorp (host-ent-address (get-host-by-address #(127 0 0 1))))   t) ;;; these require that the echo services are turned on in inetd #+internet-available (deftest simple-tcp-client     (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp))           (data (make-string 200)))       (socket-connect s #(127 0 0 1) 7)       (let ((stream (socket-make-stream s :input t :output t :buffering :none)))         (format stream "here is some text")         (let ((data (subseq data 0 (read-buf-nonblock data stream))))           (format t "~&Got ~S back from TCP echo server~%" data)           (> (length data) 0))))   t) #+internet-available (deftest sockaddr-return-type   (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp)))     (unwind-protect          (progn            (socket-connect s #(127 0 0 1) 7)            (multiple-value-bind (host port) (socket-peername s)              (and (vectorp host)                   (numberp port))))       (socket-close s)))   t) #+internet-available (deftest simple-udp-client   (let ((s (make-instance 'inet-socket :type :datagram :protocol (get-protocol-by-name "udp")))         (data (make-string 200)))     (format t "Socket type is ~A~%" (sockopt-type s))     (socket-connect s #(127 0 0 1) 7)     (let ((stream (socket-make-stream s :input t :output t :buffering :none)))       (format stream "here is some text")       (let ((data (subseq data 0 (read-buf-nonblock data stream))))         (format t "~&Got ~S back from UDP echo server~%" data)         (> (length data) 0))))   t) ;;; A fairly rudimentary test that connects to the syslog socket and ;;; sends a message.  Priority 7 is kern.debug; you'll probably want ;;; to look at /etc/syslog.conf or local equivalent to find out where ;;; the message ended up (deftest simple-local-client     #-win32     (progn       ;; SunOS (Solaris) and Darwin systems don't have a socket at      ;; /dev/log.  We might also be building in a chroot or      ;; something, so don't fail this test just because the file is      ;; unavailable, or if it's a symlink to some weird character      ;; device.      (when (and (probe-file "/dev/log")                  (sb-posix:s-issock                   (sb-posix::stat-mode (sb-posix:stat "/dev/log"))))         (let ((s (make-instance 'local-socket :type :datagram)))           (format t "Connecting ~A... " s)           (finish-output)           (handler-case               (socket-connect s "/dev/log")             (sb-bsd-sockets::socket-error ()               (setq s (make-instance 'local-socket :type :stream))               (format t "failed~%Retrying with ~A... " s)               (finish-output)               (socket-connect s "/dev/log")))           (format t "ok.~%")           (let ((stream (socket-make-stream s :input t :output t :buffering :none)))             (format stream                     "<7>bsd-sockets: Don't panic.  We're testing local-domain client code; this message can safely be ignored"))))       t)   t) ;;; these require that the internet (or bits of it, at least) is available #+internet-available (deftest get-host-by-name   (equalp (car (host-ent-addresses (get-host-by-name "a.root-servers.net")))           #(198 41 0 4))   t) #+internet-available (deftest get-host-by-address     (host-ent-name (get-host-by-address #(198 41 0 4)))   "a.root-servers.net") (deftest get-host-by-name-wrong   (handler-case    (get-host-by-name "foo.tninkpad.telent.net.")    (NAME-SERVICE-ERROR () t)    (:no-error nil))   t) (defun http-stream (host port request)   (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp)))     (socket-connect      s (car (host-ent-addresses (get-host-by-name host))) port)     (let ((stream (socket-make-stream s :input t :output t :buffering :none)))       (format stream "~A HTTP/1.0~%~%" request))     s)) #+internet-available (deftest simple-http-client-1     (handler-case         (let ((s (http-stream "ww.telent.net" 80 "HEAD /")))           (let ((data (make-string 200)))             (setf data (subseq data 0                                (read-buf-nonblock data                                                   (socket-make-stream s))))             (princ data)             (> (length data) 0)))       (network-unreachable-error () 'network-unreachable))   t) #+internet-available (deftest sockopt-receive-buffer     ;; on Linux x86, the receive buffer size appears to be doubled in the    ;; kernel: we set a size of x and then getsockopt() returns 2x.    ;; This is why we compare with >= instead of =    (handler-case         (let ((s (http-stream "ww.telent.net" 80 "HEAD /")))           (setf (sockopt-receive-buffer s) 1975)           (let ((data (make-string 200)))             (setf data (subseq data 0                                (read-buf-nonblock data                                                   (socket-make-stream s))))             (and (> (length data) 0)                  (>= (sockopt-receive-buffer s) 1975))))       (network-unreachable-error () 'network-unreachable))   t) (deftest socket-open-p-true.1     (socket-open-p (make-instance 'inet-socket :type :stream :protocol :tcp))   t) #+internet-available (deftest socket-open-p-true.2     (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp)))       (unwind-protect            (progn              (socket-connect s #(127 0 0 1) 7)              (socket-open-p s))         (socket-close s)))   t) (deftest socket-open-p-false     (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp)))       (socket-close s)       (socket-open-p s))   nil) ;;; we don't have an automatic test for some of this yet.  There's no ;;; simple way to run servers and have something automatically connect ;;; to them as client, unless we spawn external programs.  Then we ;;; have to start telling people what external programs they should ;;; have installed.  Which, eventually, we will, but not just yet ;;; to check with this: can display packets from multiple peers ;;; peer address is shown correctly for each packet ;;; packet length is correct ;;; long (>500 byte) packets have the full length shown (doesn't work) (defun udp-server (port)   (let ((s (make-instance 'inet-socket :type :datagram :protocol :udp)))     (socket-bind s #(0 0 0 0) port)     (loop      (multiple-value-bind (buf len address port) (socket-receive s nil 500)        (format t "Received ~A bytes from ~A:~A - ~A ~%"                len address port (subseq buf 0 (min 10 len)))))))