X-Git-Url: http://git.kpe.io/?p=cl-modlisp.git;a=blobdiff_plain;f=base.lisp;h=e08c251b83f4304ccc01b950b6957279b4a176ec;hp=07cc986ed44c756670cf046d4b2c6ed05909afd6;hb=131b7fa77fb2a885efe336da1ae1f05753c0c313;hpb=118ee93d69e2b09d12eb317f6db3fbda113be82f diff --git a/base.lisp b/base.lisp index 07cc986..e08c251 100644 --- a/base.lisp +++ b/base.lisp @@ -7,132 +7,98 @@ ;;;; Programmer: Kevin M. Rosenberg ;;;; Date Started: Dec 2002 ;;;; -;;;; $Id: base.lisp,v 1.1 2003/07/04 19:52:32 kevin Exp $ +;;;; $Id$ ;;;; ************************************************************************* (in-package #:modlisp) - -(let ((*listener-socket* nil) - (*listener-process* nil)) - - (defun modlisp-start (&key (port +default-apache-port+) - (function 'sample-process-apache-command)) - (handler-case - (make-socket-server (next-server-name) function port :format :text - :wait nil) - (error (e) - (format t "Error ~A" e) - (decf *listener-count*) - nil) - (:no-error (proc socket) - (setq *listener-socket* socket) - (setq *listener-proc* proc) - proc))) - - (defun modlisp-stop () - (when *listener-proc* - (format t "~&; killing ~d~%" *listener-proc*) - #+sbcl (sb-unix:unix-kill *listener-proc* :sigalrm) - #+allegro (mp:process-kill *listener-proc*) - #+allegro (mp:process-allow-schedule) - ) - (setq *listener-proc* nil) - (when *listener-socket* - (ignore-errors (close *listener-socket*)) - (setq *listener-socket* nil))) +(defun modlisp-start (&key (port +default-modlisp-port+) + (processor 'demo-modlisp-command-processor) + (processor-args nil) + (catch-errors t) + timeout + number-fixed-workers + remote-host-checker) + (let* ((server (make-instance 'ml-server + :processor processor + :processor-args processor-args + :port port)) + (listener (make-instance 'listener :port port + :base-name "modlisp" + :function 'modlisp-command-issuer + :function-args (list server) + :format :text + :wait nil + :catch-errors catch-errors + :timeout timeout + :number-fixed-workers number-fixed-workers + :remote-host-checker remote-host-checker))) + (setf (listener server) listener) + (init/listener listener :start) + (setf *ml-server* server) + server)) + + +(defun modlisp-stop (server) + (init/listener (listener server) :stop) + (setf (listener server) nil) + server) + +(defun modlisp-stop-all () + (stop-all/listener)) + +;; Internal functions + +(defun modlisp-command-issuer (*modlisp-socket* server) + "generates commands from modlisp, issues commands to processor-fun" + (unwind-protect + (progn + (let ((*number-worker-requests* 0) + (*close-modlisp-socket* t) + (*ml-server* server)) + (do ((command (read-modlisp-command) (read-modlisp-command))) + ((null command)) + (apply (processor server) command (processor-args server)) + (finish-output *modlisp-socket*) + (incf *number-worker-requests*) + (incf *number-server-requests*) + (when *close-modlisp-socket* + (return))))) + (close-active-socket *modlisp-socket*))) - ) - -(defun next-server-name () - (format nil "modlisp-socket-server-~d" (incf *listener-count*))) - -(defun next-worker-name () - (format nil "modlisp-worker-~d" (incf *worker-count*))) - +(defun header-value (header key) + "Returns the value of a modlisp header" + (cdr (assoc key header :test #'eq))) -(defun apache-command-issuer (*apache-socket* - &optional - (processor-fun 'demo-apache-command-processor)) - "generates commands from apache, issues commands to processor-fun" - (let ((*close-apache-socket* t)) - (unwind-protect - (loop for *apache-nb-use-socket* from 0 - for command = (get-apache-command) - while command - do (funcall processor-fun command) - (force-output *apache-socket*) - until *close-apache-socket*) - (close *apache-socket*)))) - -(defun get-apache-command () +(defun read-modlisp-command () (ignore-errors - (let* ((header (loop for key = (read-line *apache-socket* nil nil) - while (and key - (string-not-equal key "end") - (> (length key) 1)) - for value = (read-line *apache-socket* nil nil) - collect (cons key value))) - (content-length (cdr (assoc "content-length" header :test #'equal))) - (content (when content-length - (make-string - (parse-integer content-length :junk-allowed t))))) - (when content - (read-sequence content *apache-socket*) - (push (cons "posted-content" content) header)) - header))) - -(defun write-header-line (key value) - (write-string key *apache-socket*) - (write-char #\NewLine *apache-socket*) - (write-string value *apache-socket*) - (write-char #\NewLine *apache-socket*)) + (let* ((header (read-modlisp-header)) + (content-length (header-value header :content-length)) + (content (when content-length + (make-string + (parse-integer content-length :junk-allowed t))))) + (when content + (read-sequence content *modlisp-socket*) + (push (cons :posted-content content) header)) + header))) -(defun header-value (command key) - (cdr (assoc key command :test #'string=))) +(defun read-modlisp-line () + (kmrcl:string-right-trim-one-char + #\return + (read-line *modlisp-socket* nil nil))) -;;; Default (demo) processor -(defun demo-apache-command-processor (command) - "Sample function to process an apache command" - (if (equal (header-value command "url") "/asp/fixed") - (fixed-request) - (debug-request command))) +(defun read-modlisp-header () + (loop for key = (read-modlisp-line) + while (and key (string-not-equal key "end")) + for value = (read-modlisp-line) + collect (cons (ensure-keyword key) value))) -(defun fixed-request () - (let ((html (fixed-html))) - (write-header-line "Status" "200 OK") - (write-header-line "Content-Type" "text/html") - (write-header-line "Content-Length" (format nil "~d" (length html))) - (write-header-line "Keep-Socket" "1") - (write-string "end" *apache-socket*) - (write-char #\NewLine *apache-socket*) - (write-string html *apache-socket*) - (setq *close-apache-socket* nil)) ) - -(defun debug-request (command) - (let ((html (debug-table command))) - (write-header-line "Status" "200 OK") - (write-header-line "Content-Type" "text/html") - (write-header-line "Keep-Socket" "0") - (write-string "end" *apache-socket*) - (write-char #\NewLine *apache-socket*) - (write-string html *apache-socket*) - (setq *close-apache-socket* t)) ) +(defun write-header-line (key value) + (write-string (string key) *modlisp-socket*) + (write-char #\NewLine *modlisp-socket*) + (write-string value *modlisp-socket*) + (write-char #\NewLine *modlisp-socket*)) -(defun debug-table (command) - (with-output-to-string (s) - (write-string " - - -" s) - (format s "" *apache-nb-use-socket*) - (loop for (key . value) in command do - (format s "" key value)) - (write-string "
ACL 6.2 + mod_lisp 2.0 + apache + Linux
KeyValue
apache-nb-use-socket~a
~a~a
" s))) -(defun fixed-html () - " -

mod_lisp 2.0

This is a constant - html string sent by mod_lisp

")