/
socket.lisp
198 lines (163 loc) · 7.23 KB
/
socket.lisp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
;; Pseudo - A pseudo 3d multiplayer roguelike
;; Copyright (C) 2013 Matthew Carter
;;
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU Affero General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU Affero General Public License for more details.
;;
;; You should have received a copy of the GNU Affero General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;;; socket.lisp
(in-package #:pseudo)
(defparameter *clients* (make-hash-table :test 'equal))
(make-thread (λ α → (run-server *websocket-port*))
:name "Websocket Server")
(defclass ws-controller (ws-resource)
())
(defmethod resource-client-connected ((res ws-controller) client)
"Save our client in connection pool"
(setf (gethash (client-host client) *clients*) client)
(format t "Got connection from ~s: ~s~%"
(client-host client)
(client-port client))
(write-to-client-text client "{\"event\":\"Welcome\"}")
t)
(defmethod resource-client-disconnected ((resource ws-controller) client)
"TODO - Disable their in game character at this point"
(format t "Client disconnected from resource ~s: ~s~%" resource client)
t)
(defun ws-clients ()
"Get the list of the clients"
(loop for v being the hash-values in *clients*
collect v))
(defmethod resource-received-text ((res ws-controller) client message)
"This should more or less be a drop in replacement for the existing
way things are piped into the general socket listener and spit back
out at the client."
(let* ((json (cl-json:decode-json-from-string message))
(event (format nil "pseudo::~a" (cdr (assoc :event json))))
(data-in (cdr (assoc :data json))))
(funcall (read-from-string event) data-in client)))
(defmethod resource-received-binary ((res ws-controller) client message)
(format t "Client ~s sent binary frame ~s~%" client message)
(write-to-client-binary client message))
(register-global-resource "/controller/"
(make-instance 'ws-controller)
(origin-prefix
"http://127.0.0.1"
"http://pseudo.ahungry.com"
"http://ahungry.com"
"http://pro"
"http://localhost"))
(make-thread (λ α → (run-resource-listener
(find-global-resource "/controller/")))
:name "Resource listener for /controller/")
(ƒ emit-broadcast-data-formatter
(and (listp α) (eq :obj (car α))) → (cdr α)
(and (listp α)
(listp (car α))
(eq :obj (car (car α)))) → (mapcar #'cdr α)
(stringp α) → (decode-json-from-string α)
α → α)
(defun broadcast (event data)
"Receive a list of data items and send to all connected clients"
(let ((json-string (encode-json-to-string
(list (cons :event event)
(cons :data (emit-broadcast-data-formatter data))))))
(write-to-clients-text (ws-clients) json-string)))
(defun emit (event data client)
"Send data out to just one individual client"
(let ((json-string (encode-json-to-string
(list (cons :event event)
(cons :data (emit-broadcast-data-formatter data))))))
(when client
(write-to-client-text client json-string))
json-string))
(defun unit-client (unit-id)
"Given a unit-id, figure out which client corresponds"
(let ((account (get-from *accounts* 'uid unit-id)))
(when account
(gethash (account-ip account)
*clients*))))
(eval-when (:compile-toplevel :load-toplevel :execute)
(defmacro+ps c (&rest data)
`(chain console (log ,@data))))
(defun socket-js ()
(ps
;;(defvar *socket-url* (lisp *node-socket-url*))
(defvar *websocket-url* (+ (lisp *websocket-url*) "/controller/"))
(defvar socket)
(defvar socket-clws)
(defvar *sock-responses* [])
(defun sock-on (event fn)
"Bind a function to the sock-responses"
(setf (aref *sock-responses* event) fn))
(defun sock-emit (event data)
"Safely send data into the websocket, relink if fail"
(if (and socket-clws
(eq (@ socket-clws ready-state) 1))
(progn
(let ((json (chain -j-s-o-n (stringify
(create "event" event
"data" data)))))
(c event json)
(chain socket-clws (send json))))
(progn
(socket-start)
(set-timeout (λλ α → (sock-emit event data)) 1000))))
(defun socket-start ()
;;(setf socket (chain io (connect *socket-url*)))
(setf socket-clws (new (-Web-Socket *websocket-url*)))
;; Response mappings on open
(setf (@ socket-clws onopen)
(lambda (event)
(setf (@ socket-clws onmessage)
(λλ α → (progn
(let* ((data (chain -j-s-o-n (parse (@ α data))))
(event (aref *sock-responses* (@ data event))))
(when event (chain event (call nil (@ data data))))))))))
;; Essentially a Firefox fix for not gracefully closing sockets
(setf (@ window onbeforeunload)
(λλ α → (progn (setf (@ socket-clws onclose)
(lambda () nil))
(chain socket-clws (close))))))
(sock-on "start-game"
(λλ α → (progn
(setf *my-id* (@ α id))
(init)
(sock-emit "request-map" (create unit_id *my-id*))
(sock-emit "request-item-resync" (create unit_id *my-id*))
(sock-emit "request-item-owned" (create unit_id *my-id*))
(sock-emit "join-game" (create unit_id *my-id*)))))
(sock-on "resync"
(λλ α → (unit-controller "resync" α)))
(sock-on "request-chat"
(λλ α → (chat-controller "received" α)))
(sock-on "map-init"
(λλ α → (progn (map-controller "init" α))))
(sock-on "map-reload"
(λλ α → (progn (map-controller "reload" α))))
(sock-on "stair-init"
(λλ α → (progn (map-controller "stairs" α))))
(sock-on "update-unit"
(λλ α → (unit-controller "update-unit" α)))
(sock-on "force-reload"
(λλ α → (chain window location (reload))))
(sock-on "event-log"
(λλ α → (chain ($ "#chat") (append α))))
(sock-on "item-resync"
(λλ α → (item-controller "resync" α)))
(sock-on "item-owned"
(λλ α → (item-controller "owned" α)))
(sock-on "item-update"
(λλ α → (item-controller "update" α)))
(sock-on "eval"
(λλ α → (progn
(eval (+ (@ α code))))))
nil))