1 (defpackage "SB-BSD-SOCKETS-TEST"
2 (:use "CL" "SB-BSD-SOCKETS" "SB-RT"))
8 There should be at least one test for pretty much everything you can do
9 with the package. In some places I've been more diligent than others; more
10 tests gratefully accepted.
12 Tests are in the file <tt>tests.lisp</tt> and also make good examples.
16 (in-package :sb-bsd-sockets-test)
19 (deftest make-inet-address
20 (equalp (make-inet-address "127.0.0.1") #(127 0 0 1))
22 ;;; and an address with bit 8 set on some octets
23 (deftest make-inet-address2
24 (equalp (make-inet-address "242.1.211.3") #(242 1 211 3))
27 (deftest make-inet-socket
29 (let ((s (make-instance 'inet-socket :type :stream :protocol (get-protocol-by-name "tcp"))))
30 (and (> (socket-file-descriptor s) 1) t))
33 (deftest make-inet-socket-keyword
35 (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp)))
36 (and (> (socket-file-descriptor s) 1) t))
39 (deftest make-inet-socket-wrong
40 ;; fail to make a socket: check correct error return. There's no nice
41 ;; way to check the condition stuff on its own, which is a shame
43 (make-instance 'inet-socket :type :stream :protocol (get-protocol-by-name "udp"))
44 ((or socket-type-not-supported-error protocol-not-supported-error) (c)
45 (declare (ignorable c)) t)
49 (deftest make-inet-socket-keyword-wrong
50 ;; same again with keywords
52 (make-instance 'inet-socket :type :stream :protocol :udp)
53 ((or protocol-not-supported-error socket-type-not-supported-error) (c)
54 (declare (ignorable c)) t)
59 (deftest non-block-socket
60 (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp)))
61 (setf (non-blocking-mode s) t)
62 (non-blocking-mode s))
65 (defun do-gc-portably ()
66 ;; cmucl on linux has generational gc with a keyword argument,
67 ;; sbcl GC function takes same arguments no matter what collector is in
69 #+(or sbcl gencgc) (SB-EXT:gc :full t)
70 ;; other platforms have full gc or nothing
71 #-(or sbcl gencgc) (sb-ext:gc))
73 (deftest inet-socket-bind
74 (let ((s (make-instance 'inet-socket :type :stream :protocol (get-protocol-by-name "tcp"))))
75 ;; Given the functions we've got so far, if you can think of a
76 ;; better way to make sure the bind succeeded than trying it
78 ;; 1974 has no special significance, unless you're the same age as me
79 (do-gc-portably) ;gc should clear out any old sockets bound to this port
80 (socket-bind s (make-inet-address "127.0.0.1") 1974)
82 (let ((s2 (make-instance 'inet-socket :type :stream :protocol (get-protocol-by-name "tcp"))))
83 (socket-bind s2 (make-inet-address "127.0.0.1") 1974)
85 (address-in-use-error () t)))
88 (deftest simple-sockopt-test
89 ;; test we can set SO_REUSEADDR on a socket and retrieve it, and in
90 ;; the process that all the weird macros in sockopt happened right.
91 (let ((s (make-instance 'inet-socket :type :stream :protocol (get-protocol-by-name "tcp"))))
92 (setf (sockopt-reuse-address s) t)
93 (sockopt-reuse-address s))
96 (defun read-buf-nonblock (buffer stream)
97 "Like READ-SEQUENCE, but returns early if the full quantity of data isn't there to be read. Blocks if no input at all"
100 (c (read-char stream nil eof)
101 (read-char-no-hang stream nil eof)))
102 ((or (>= i (length buffer)) (not c) (eq c eof)) i)
103 (setf (elt buffer i) c))))
106 (deftest name-service-return-type
107 (vectorp (host-ent-address (get-host-by-address #(127 0 0 1))))
110 ;;; these require that the echo services are turned on in inetd
112 (deftest simple-tcp-client
113 (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp))
114 (data (make-string 200)))
115 (socket-connect s #(127 0 0 1) 7)
116 (let ((stream (socket-make-stream s :input t :output t :buffering :none)))
117 (format stream "here is some text")
118 (let ((data (subseq data 0 (read-buf-nonblock data stream))))
119 (format t "~&Got ~S back from TCP echo server~%" data)
120 (> (length data) 0))))
124 (deftest sockaddr-return-type
125 (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp)))
128 (socket-connect s #(127 0 0 1) 7)
129 (multiple-value-bind (host port) (socket-peername s)
136 (deftest simple-udp-client
137 (let ((s (make-instance 'inet-socket :type :datagram :protocol (get-protocol-by-name "udp")))
138 (data (make-string 200)))
139 (format t "Socket type is ~A~%" (sockopt-type s))
140 (socket-connect s #(127 0 0 1) 7)
141 (let ((stream (socket-make-stream s :input t :output t :buffering :none)))
142 (format stream "here is some text")
143 (let ((data (subseq data 0 (read-buf-nonblock data stream))))
144 (format t "~&Got ~S back from UDP echo server~%" data)
145 (> (length data) 0))))
148 ;;; A fairly rudimentary test that connects to the syslog socket and
149 ;;; sends a message. Priority 7 is kern.debug; you'll probably want
150 ;;; to look at /etc/syslog.conf or local equivalent to find out where
151 ;;; the message ended up
153 (deftest simple-local-client
155 ;; SunOS (Solaris) and Darwin systems don't have a socket at
156 ;; /dev/log. We might also be building in a chroot or
157 ;; something, so don't fail this test just because the file is
158 ;; unavailable, or if it's a symlink to some weird character
160 (when (and (probe-file "/dev/log")
162 (sb-posix::stat-mode (sb-posix:stat "/dev/log"))))
163 (let ((s (make-instance 'local-socket :type :datagram)))
164 (format t "Connecting ~A... " s)
167 (socket-connect s "/dev/log")
168 (sb-bsd-sockets::socket-error ()
169 (setq s (make-instance 'local-socket :type :stream))
170 (format t "failed~%Retrying with ~A... " s)
172 (socket-connect s "/dev/log")))
174 (let ((stream (socket-make-stream s :input t :output t :buffering :none)))
176 "<7>bsd-sockets: Don't panic. We're testing local-domain client code; this message can safely be ignored"))))
181 ;;; these require that the internet (or bits of it, at least) is available
184 (deftest get-host-by-name
185 (equalp (car (host-ent-addresses (get-host-by-name "a.root-servers.net")))
190 (deftest get-host-by-address
191 (host-ent-name (get-host-by-address #(198 41 0 4)))
192 "a.root-servers.net")
194 (deftest get-host-by-name-wrong
196 (get-host-by-name "foo.tninkpad.telent.net")
197 (NAME-SERVICE-ERROR () t)
201 (defun http-stream (host port request)
202 (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp)))
204 s (car (host-ent-addresses (get-host-by-name host))) port)
205 (let ((stream (socket-make-stream s :input t :output t :buffering :none)))
206 (format stream "~A HTTP/1.0~%~%" request))
210 (deftest simple-http-client-1
212 (let ((s (http-stream "ww.telent.net" 80 "HEAD /")))
213 (let ((data (make-string 200)))
214 (setf data (subseq data 0
215 (read-buf-nonblock data
216 (socket-make-stream s))))
218 (> (length data) 0)))
219 (network-unreachable-error () 'network-unreachable))
224 (deftest sockopt-receive-buffer
225 ;; on Linux x86, the receive buffer size appears to be doubled in the
226 ;; kernel: we set a size of x and then getsockopt() returns 2x.
227 ;; This is why we compare with >= instead of =
229 (let ((s (http-stream "ww.telent.net" 80 "HEAD /")))
230 (setf (sockopt-receive-buffer s) 1975)
231 (let ((data (make-string 200)))
232 (setf data (subseq data 0
233 (read-buf-nonblock data
234 (socket-make-stream s))))
235 (and (> (length data) 0)
236 (>= (sockopt-receive-buffer s) 1975))))
237 (network-unreachable-error () 'network-unreachable))
241 ;;; we don't have an automatic test for some of this yet. There's no
242 ;;; simple way to run servers and have something automatically connect
243 ;;; to them as client, unless we spawn external programs. Then we
244 ;;; have to start telling people what external programs they should
245 ;;; have installed. Which, eventually, we will, but not just yet
248 ;;; to check with this: can display packets from multiple peers
249 ;;; peer address is shown correctly for each packet
250 ;;; packet length is correct
251 ;;; long (>500 byte) packets have the full length shown (doesn't work)
253 (defun udp-server (port)
254 (let ((s (make-instance 'inet-socket :type :datagram :protocol :udp)))
255 (socket-bind s #(0 0 0 0) port)
257 (multiple-value-bind (buf len address port) (socket-receive s nil 500)
258 (format t "Received ~A bytes from ~A:~A - ~A ~%"
259 len address port (subseq buf 0 (min 10 len)))))))