1 (defpackage "SB-BSD-SOCKETS-TEST"
2 (:use "CL" "SB-BSD-SOCKETS" "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))))
105 ;;; these require that the echo services are turned on in inetd
107 (deftest simple-tcp-client
108 (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp))
109 (data (make-string 200)))
110 (socket-connect s #(127 0 0 1) 7)
111 (let ((stream (socket-make-stream s :input t :output t :buffering :none)))
112 (format stream "here is some text")
113 (let ((data (subseq data 0 (read-buf-nonblock data stream))))
114 (format t "~&Got ~S back from TCP echo server~%" data)
115 (> (length data) 0))))
119 (deftest simple-udp-client
120 (let ((s (make-instance 'inet-socket :type :datagram :protocol (get-protocol-by-name "udp")))
121 (data (make-string 200)))
122 (format t "Socket type is ~A~%" (sockopt-type s))
123 (socket-connect s #(127 0 0 1) 7)
124 (let ((stream (socket-make-stream s :input t :output t :buffering :none)))
125 (format stream "here is some text")
126 (let ((data (subseq data 0 (read-buf-nonblock data stream))))
127 (format t "~&Got ~S back from UDP echo server~%" data)
128 (> (length data) 0))))
132 <h2>Local-domain sockets</h2>
134 A fairly rudimentary test that connects to the syslog socket and sends a
135 message. Priority 7 is kern.debug; you'll probably want to look at
136 /etc/syslog.conf or local equivalent to find out where the message ended up
139 (deftest simple-local-client
140 (let ((s (make-instance 'local-socket :type :datagram)))
142 (socket-connect s "/dev/log")
143 (let ((stream (socket-make-stream s :input t :output t :buffering :none)))
145 "<7>bsd-sockets: Don't panic. We're testing local-domain client code; this message can safely be ignored")
150 ;;; these require that the internet (or bits of it, atleast) is available
153 (deftest get-host-by-name
154 (equalp (car (host-ent-addresses (get-host-by-name "a.root-servers.net")))
159 (deftest get-host-by-address
160 (host-ent-name (get-host-by-address #(198 41 0 4)))
161 "a.root-servers.net")
163 (deftest get-host-by-name-wrong
165 (get-host-by-name "foo.tninkpad.telent.net")
166 (NAME-SERVICE-ERROR () t)
170 (defun http-stream (host port request)
171 (let ((s (make-instance 'inet-socket :type :stream :protocol :tcp)))
173 s (car (host-ent-addresses (get-host-by-name host))) port)
174 (let ((stream (socket-make-stream s :input t :output t :buffering :none)))
175 (format stream "~A HTTP/1.0~%~%" request))
179 (deftest simple-http-client-1
181 (let ((s (http-stream "ww.telent.net" 80 "HEAD /")))
182 (let ((data (make-string 200)))
183 (setf data (subseq data 0
184 (read-buf-nonblock data
185 (socket-make-stream s))))
187 (> (length data) 0)))
188 (network-unreachable-error () 'network-unreachable))
193 (deftest sockopt-receive-buffer
194 ;; on Linux x86, the receive buffer size appears to be doubled in the
195 ;; kernel: we set a size of x and then getsockopt() returns 2x.
196 ;; This is why we compare with >= instead of =
198 (let ((s (http-stream "ww.telent.net" 80 "HEAD /")))
199 (setf (sockopt-receive-buffer s) 1975)
200 (let ((data (make-string 200)))
201 (setf data (subseq data 0
202 (read-buf-nonblock data
203 (socket-make-stream s))))
204 (and (> (length data) 0)
205 (>= (sockopt-receive-buffer s) 1975))))
206 (network-unreachable-error () 'network-unreachable))
210 ;;; we don't have an automatic test for some of this yet. There's no
211 ;;; simple way to run servers and have something automatically connect
212 ;;; to them as client, unless we spawn external programs. Then we
213 ;;; have to start telling people what external programs they should
214 ;;; have installed. Which, eventually, we will, but not just yet
217 ;;; to check with this: can display packets from multiple peers
218 ;;; peer address is shown correctly for each packet
219 ;;; packet length is correct
220 ;;; long (>500 byte) packets have the full length shown (doesn't work)
222 (defun udp-server (port)
223 (let ((s (make-instance 'inet-socket :type :datagram :protocol :udp)))
224 (socket-bind s #(0 0 0 0) port)
226 (multiple-value-bind (buf len address port) (socket-receive s nil 500)
227 (format t "Received ~A bytes from ~A:~A - ~A ~%"
228 len address port (subseq buf 0 (min 10 len)))))))