| 1 | #| |
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| 2 | Copyright (c) 2006 Risto Laakso |
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| 3 | All rights reserved. |
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| 4 | |
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| 5 | Redistribution and use in source and binary forms, with or without |
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| 6 | modification, are permitted provided that the following conditions |
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| 7 | are met: |
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| 8 | 1. Redistributions of source code must retain the above copyright |
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| 9 | notice, this list of conditions and the following disclaimer. |
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| 10 | 2. Redistributions in binary form must reproduce the above copyright |
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| 11 | notice, this list of conditions and the following disclaimer in the |
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| 12 | documentation and/or other materials provided with the distribution. |
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| 13 | 3. The name of the author may not be used to endorse or promote products |
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| 14 | derived from this software without specific prior written permission. |
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| 15 | |
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| 16 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 17 | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 18 | OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 19 | IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 20 | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 21 | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 22 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 23 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 24 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 25 | THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 26 | |# |
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| 27 | (in-package :nio-httpd) |
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| 28 | |
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| 29 | (defparameter +dyn-pre+ (string-to-octets "<html><body>")) |
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| 30 | (defparameter +dyn-post+ (string-to-octets "<br/><br/><img src=\"logo.png\"><h5>Page created by <a href=\"http://common-lisp.net/project/nio\">NIO-HTTPD</a>.</h5></body></html>")) |
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| 31 | |
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| 32 | |
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| 33 | (defvar +pages-served+ 0) |
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| 34 | |
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| 35 | (defun dynamic-gen (method url data hdrs-start client) |
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| 36 | (declare (ignore method url data hdrs-start)) |
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| 37 | (destructuring-bind (family host port) (remote-info client) |
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| 38 | (serve-content client :ok "text/html" |
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| 39 | (concatenate 'vector |
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| 40 | +dyn-pre+ |
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| 41 | |
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| 42 | (string-to-octets |
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| 43 | (with-output-to-string (str) |
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| 44 | (princ "<h2>Dynamic test page</h2>" str) |
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| 45 | |
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| 46 | (princ "Today is " str) |
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| 47 | (multiple-value-bind (sec min hrs day mon yrs) (decode-universal-time (get-universal-time)) |
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| 48 | (declare (ignore sec min hrs)) |
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| 49 | (loop for elt in (list day "." mon "." yrs) do (princ elt str))) |
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| 50 | |
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| 51 | (princ "<br/>" str) |
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| 52 | |
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| 53 | (princ "I have now served " str) |
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| 54 | (princ (incf +pages-served+) str) |
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| 55 | (princ " pages.<br/>" str) |
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| 56 | |
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| 57 | (princ "Your request is IPv" str) |
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| 58 | (princ (if (equal family :inet6) "6" "4") str) |
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| 59 | (princ ", from ip " str) |
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| 60 | (princ host str) |
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| 61 | (princ " port " str) |
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| 62 | (princ port str) |
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| 63 | (princ ".<br/><br/>" str) |
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| 64 | |
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| 65 | str)) |
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| 66 | |
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| 67 | +dyn-post+)))) |
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| 68 | |
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| 69 | (defun main-page (method url data hdrs-start client) |
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| 70 | (declare (ignore method url data hdrs-start)) |
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| 71 | |
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| 72 | (serve-content client :ok "text/html" |
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| 73 | (string-to-octets |
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| 74 | (concatenate 'string |
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| 75 | "<html><body>" |
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| 76 | "<h2>Welcome!</h2>" |
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| 77 | "<p>This is NIO-HTTPD 04-02-2006, a non-blocking i/o http-server written in Common Lisp.</p>" |
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| 78 | "<p>The project homepage is at <a href=\"http://common-lisp.net/project/nio/\">common-lisp.net</a>.</p>" |
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| 79 | "<br/><br/>" |
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| 80 | "<img src=\"logo.png\">" |
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| 81 | "</body></html>" |
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| 82 | )))) |
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| 83 | |
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| 84 | (defun png-logo (method url data hdrs-start client) |
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| 85 | (declare (ignore method url data hdrs-start)) |
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| 86 | (serve-content client :ok "image/png" (file-to-octets "logo120x80.png"))) |
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| 87 | |
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| 88 | |
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| 89 | ;; register pages |
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| 90 | (setf (gethash (string-to-octets "/") +page-hash+) #'main-page |
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| 91 | (gethash (string-to-octets "/dyn") +page-hash+) #'dynamic-gen |
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| 92 | (gethash (string-to-octets "/logo.png") +page-hash+) #'png-logo) |
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