X-Git-Url: http://git.kpe.io/?p=cl-modlisp.git;a=blobdiff_plain;f=base.lisp;h=bcf84b5e049c22fb46e56ababd74bf9ab3c4d1e2;hp=07cc986ed44c756670cf046d4b2c6ed05909afd6;hb=be22beac4a99bf6f426c34fbd29b5820e7c57e40;hpb=118ee93d69e2b09d12eb317f6db3fbda113be82f

diff --git a/base.lisp b/base.lisp
index 07cc986..bcf84b5 100644
--- a/base.lisp
+++ b/base.lisp
@@ -7,132 +7,119 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Dec 2002
 ;;;;
-;;;; $Id: base.lisp,v 1.1 2003/07/04 19:52:32 kevin Exp $
+;;;; $Id: base.lisp,v 1.6 2003/07/08 06:40:00 kevin Exp $
 ;;;; *************************************************************************
 
 (in-package #:modlisp)
 
-
-(let ((*listener-socket* nil)
-      (*listener-process* nil))
-
-  (defun modlisp-start (&key (port +default-apache-port+)
-			     (function 'sample-process-apache-command))
+(defun modlisp-start (&key (port +default-apache-port+)
+			   (processor 'demo-apache-command-processor)
+			   (processor-args nil))
+  (let ((listener (make-instance 'listener :port port
+				 :name (next-server-name)
+				 :function 'apache-command-issuer
+				 :function-args (cons processor processor-args)
+				 :format :text
+				 :wait nil)))
     (handler-case
-	(make-socket-server (next-server-name) function port :format :text
-			    :wait nil)
+	(make-socket-server listener)
       (error (e)
-	(format t "Error ~A" e)
+	(format t "~&Error while trying to start modlisp server~&  ~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)))
-  
- )
+	(values nil nil))
+      (:no-error (res)
+	(declare (ignore res))
+	(push listener *active-listeners*)
+	listener))))
     
+(defun modlisp-stop (listener)
+  (unless listener
+    (cmsg "listener is NIL in modlisp-stop")
+    (return-from modlisp-stop))
+  (dolist (worker (workers listener))
+    (close-active-socket (connection worker))
+    (destroy-process (process worker)))
+  (setf (workers listener) nil)
+  (with-slots (process socket) listener
+    (errorset (close-passive-socket socket) t)
+    (errorset (destroy-process process) t))
+  (setq *active-listeners* (remove listener *active-listeners*)))
+
+(defun modlisp-stop-all ()
+  (dolist (listener *active-listeners*)
+    (ignore-errors
+     (progn
+       (modlisp-stop listener)
+       (setq *active-listeners* (remove listener *active-listeners*))))))
+
 (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 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))
+(let ((*number-server-requests* 0)
+      (*number-worker-requests* 0)
+      (*close-apache-socket* t))
+  
+  (defun apache-command-issuer (*apache-socket* processor &rest args)
+    "generates commands from apache, issues commands to processor-fun"
     (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*))))
+	 (progn
+	   (setq *number-worker-requests* 0)
+	   (do ((command (read-apache-command) (read-apache-command)))
+	       ((null command))
+	     (apply processor command args)
+	     (force-output *apache-socket*)
+	     (incf *number-worker-requests*)
+	     (incf *number-server-requests*)
+	     (when *close-apache-socket*
+	       (return))))
+      (close-active-socket *apache-socket*)))
+  
+
+  (defun get-number-worker-requests ()
+    *number-worker-requests*)
 
-(defun get-apache-command ()
+  (defun get-number-server-requests ()
+    *number-server-requests*)
+  
+  (defun set-close-apache-socket (close?)
+    (setq *close-apache-socket* close?))
+  
+  ) ;; closure
+
+(defun header-value (header key)
+  (cdr (assoc key header :test #'string=)))
+
+(defun read-apache-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)))))
+    (let* ((header (read-apache-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 *apache-socket*)
        (push (cons "posted-content" content) header))
      header)))
 
+(defun read-apache-line ()
+  (kmrcl:string-left-trim-one-char  #\return
+				    (read-line *apache-socket* nil nil)))
+
+(defun read-apache-header ()
+  (loop for key = (read-apache-line)
+      while (and key
+		 (string-not-equal key "end")
+		 (> (length key) 1))
+      for value = (read-apache-line)
+      collect (cons key value)))
+
 (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*))
 
-(defun header-value (command key)
-  (cdr (assoc key command :test #'string=)))
-
-
-;;; 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 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 debug-table (command)
-  (with-output-to-string (s)
-   (write-string "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML//EN\">
-<HTML><HEAD></HEAD><BODY><TABLE bgcolor=\"#c0c0c0\">
-<TR bgcolor=\"yellow\"><TH COLSPAN=2>ACL 6.2 + mod_lisp 2.0 + apache + Linux</TH></TR>
-<TR bgcolor=\"yellow\"><TH>Key</TH><TH>Value</TH></TR>" s)
-   (format s "<TR bgcolor=\"#F0F0c0\"><TD>apache-nb-use-socket</TD><TD>~a</TD></TR>"  *apache-nb-use-socket*)
-   (loop for (key . value) in command do
-	 (format s "<TR bgcolor=\"#F0F0c0\"><TD>~a</TD><TD>~a</TD></TR>" key value))
-   (write-string "</TABLE></BODY></HTML>" s)))
 
-(defun fixed-html ()
-  "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML//EN\">
-<HTML><HEAD></HEAD><BODY><H1>mod_lisp 2.0</H1><P>This is a constant
-  html string sent by mod_lisp</P></BODY></HTML>")