X-Git-Url: http://git.pond.sub.org/?p=eow;a=blobdiff_plain;f=empire.lisp;h=c32696c3504258bd0f4bf78d61806f3b419c11c0;hp=5b58812bd257662c8afed7eb4199c597771e1070;hb=fc5e0903e87b50a4931b66a039f75feb95b78602;hpb=e7660a5ec8ec2f814a1869dbb120249582bc80d5

diff --git a/empire.lisp b/empire.lisp
index 5b58812..c32696c 100644
--- a/empire.lisp
+++ b/empire.lisp
@@ -44,7 +44,11 @@
    (session
     :accessor session
     :initarg :session
-    :documentation "web session to which this connection belongs")))
+    :documentation "web session to which this connection belongs")
+   (send-queue
+    :accessor send-queue
+    :initform (locked-queue:create)
+    :documentation "lines outstanding to be sent at next prompt")))
 
 (defun make-connection (&key (user nil)
 			(password nil)
@@ -81,24 +85,27 @@
 	 (handler (spawn-with-name (format nil "empire-handler-~a" user)
 				   #'handle-connection connection)))
     (setf (connection-handler connection) handler)
-    (empire-log:info "empire:connect: ~a" connection)
+    (empire-log:info "~a: connect" connection)
     connection))
 
 (defgeneric quit (connection))
 (defgeneric handle-connection (connection))
 (defgeneric read-message (connection))
-(defgeneric send-message (connection message))
+(defgeneric send-message (connection message &key next-mode))
+(defgeneric connected-p (connection))
 (defgeneric reconnect (conncetion))
 
+(defmethod connected-p ((c connection))
+  (sb-thread:thread-alive-p (connection-handler c)))
+
 (defmethod reconnect ((c connection))
   (with-slots (server-name server-port user password socket stream connection-handler) c
       (let* ((sock (usocket:socket-connect server-name server-port))
-	     (s (usocket:socket-stream sock))
-	     (handler (spawn-with-name (format nil "empire-handler-~a" user)
-				       #'handle-connection c)))
+	     (s (usocket:socket-stream sock)))
 	(setf socket sock
 	      stream s
-	      connection-handler handler)))
+	      connection-handler (spawn-with-name (format nil "empire-handler-~a" user)
+						  #'handle-connection c))))
   (empire-log:info "~a: reconnect" c))
 
 (defparameter +C_CMDOK+ "0")
@@ -140,19 +147,20 @@
 (defgeneric handle-prompt (base-mode message))
 (defgeneric handle-flush (base-mode message))
 (defgeneric handle-simple-message (base-mode message))
+(defgeneric handle-ignore (base-mode message))
 
 (defmethod handle-init ((m init-mode) message)
   (declare (ignorable message))
   (with-slots (play-sent-p) m
     (if (not play-sent-p)
-	(progn 
-	  (play (connection m))
+	(let ((c (connection m)))
+	  (login-and-play c)
 	  (setf play-sent-p t))
 	(set-new-mode m 'play-mode))))
 
 (defmethod handle-exit ((m init-mode) message)
   (declare (ignorable message))
-  (quit (connection m)))
+  t)
 
 (defmethod handle-exit ((m play-mode) message)
   (declare (ignorable message))
@@ -168,7 +176,17 @@
 
 (defmethod handle-flush ((m play-mode) message)
   (let* ((c (connection m)))
-    (empire-web:prompt (session c) message)))
+    (empire-web:prompt (session c) message)
+    (send-next-line c)))
+
+(defmethod send-next-line ((c connection))
+  (let ((next-event (locked-queue:dequeue (send-queue c))))
+    (etypecase next-event
+      (string (send-message-one c next-event))
+      (cons (let ((message (car next-event))
+		  (mode (cdr next-event)))
+	      (send-message-one c message)
+	      (set-new-mode c mode))))))
 
 (defmethod handle-prompt ((m play-mode) message)
   (let* ((c (connection m)))
@@ -176,7 +194,12 @@
       (let* ((minutes (read s)) ;;FIXME DANGEROUS
 	     (btus (read s)))
 	(empire-web:prompt (session c)
-			   (format nil "[~a,~a]: " minutes btus))))))
+			   (format nil "[~a,~a]: " minutes btus))))
+    (send-next-line c)))
+
+(defmethod handle-ignore ((m init-mode) message)
+  (declare (ignorable message))
+  t)
 
 (defparameter *line-type-dispatch*
   (list `(,+C_DATA+ . handle-data)
@@ -185,6 +208,7 @@
 	`(,+C_FLUSH+ . handle-flush)
 	`(,+C_BADCMD+ . handle-simple-message)
 	`(,+C_FLASH+ . handle-simple-message)
+	`(,+C_CMDOK+ . handle-ignore)
 	`(,+C_PROMPT+ . handle-prompt)))
 
 (defun parse-server-line (line)
@@ -216,7 +240,7 @@
   (handler-case
       (let* ((s (network-stream c))
 	     (line (read-line s)))
-	(empire-log:info "< ~a~%" line)
+	(empire-log:info "~a: < ~a" c line)
 	(multiple-value-bind (message type) (parse-server-line line)
 	  (let ((handler (lookup-handler type))
 		(mode (connection-mode c)))
@@ -231,46 +255,47 @@
     (write-sequence message s)
     (terpri s)
     (force-output s))
-  
-(defmethod send-message ((c connection) message)
+
+(defgeneric send-message-one (connection string))
+(defmethod send-message-one ((c connection) message)
+  (empire-log:info "~a: > ~a" c message)
   (let ((s (network-stream c)))
-    (empire-log:info "> ~a~%" message)
-    (let ((sent-p nil)
-	  (tries 3))
-      (loop
-	 while (and (not sent-p)
-		    (> tries 0))
-	 do (handler-case
-		(progn
-		  (raw-send-message s message)
-		  (setf sent-p t))
-	      (sb-int:closed-stream-error ()
-		(progn
-		  (decf tries)
-		  (empire-log:info "Connection close - retrying (~a tries left)" tries)
-		  (reconnect c))))))
-    message))
+    (raw-send-message s message)))
+
+(defmethod send-message ((c connection) message &key next-mode)
+  (if (not (connected-p c))
+      (reconnect c))
+  (if next-mode
+      (locked-queue:enqueue (send-queue c) (cons message next-mode))
+      (locked-queue:enqueue (send-queue c) message)))
 
 (defparameter +special-command-char+ #\;)
 
 (defun special-command-p (line)
-  (char= +special-command-char+ (aref line 0)))
+  (and (> (length line) 0)
+       (char= +special-command-char+ (aref line 0))))
 
 (defmethod special-xup ((c connection))
   t)
 
 (defmethod special-command ((c connection) line)
   (cond ((string= line "xup") (special-xup c))
-	(t (empire-web:data (session c) "Unknown special command"))))
+	(t (empire-web:data (session c) "Unknown special command")))
+  line)
 
 (defmethod command ((c connection) line)
   (cond ((special-command-p line) (special-command c (subseq line 1)))
 	(t (send-message c line))))
 
-(defgeneric play (connection))
-(defmethod play ((c connection))
+(defgeneric login-and-play (connection))
+(defmethod login-and-play ((c connection))
+  (send-message-one c (format nil "client eow ~a" *version*))
+  (send-message-one c "user FIXME")
   (with-slots (user password) c
-    (send-message c (format nil "play FIXME ~a ~a" user password))))
+    (send-message-one c (format nil "coun ~a" user))
+    (send-message-one c (format nil "pass ~a" password)))
+  (send-message-one c "kill")
+  (send-message-one c "play"))
 
 (defmethod quit ((c connection))
   (usocket:socket-close (socket c)))