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Committed: Tue May 25 15:44:55 2004 UTC (20 years ago) by pcg
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# Content
1 <?xml version="1.0" encoding="utf-8"?>
2 <html>
3 <head>
4 <title>KGS Protocol Description</title>
5 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
6 <!--
7 Copyright (C) 2003 Marc Lehmannn &lt;pcg@goof.com&gt;
8
9 You can redistribute and/or modify this document under the terms of
10 the GNU General Public License as published by the Free Software
11 Foundation; either version 2 of the License, or (at your option) any
12 later version.
13
14 This document is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 -->
23 </head>
24 <body>
25
26 <h1>$Revision: 1.52 $</h1>
27
28 <h1>KGS Protocol Description</h1>
29
30 <p>This XML document describes the KGS protocol. It is also used
31 to automatically generate the perl parser for all the messages and
32 structures in the protocol. Adapting it to other languages should be
33 almost trivial.</p>
34
35 <p><b>Please note that wms has told me that he will change the
36 protocol in response to my efforts. No problems with changing the
37 protocol for good, but he does this just to make it more difficult
38 to reverse-engineer it, since his changes are neither required, nor
39 useful (they just make the protocol less robust, without adding added
40 value). He doesn't even care that this locks out some users who cannot
41 upgrade (cgoban2 isn't available for their platform anymore). It hurts
42 to see such a waste of time and efforts that could have been used to
43 fix bugs or improve the client...</b></p>
44
45 <p>If you feel you need to update the visual appearance of this
46 document, feel free to look <tt>doc/doc2html.xsl</tt> and improve
47 it.</p>
48
49 <p>The current version of this document can always be found at
50 <a href="http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/*checkout*/kgsueme/kgsueme/doc/protocol.xml?rev=HEAD&amp;content-type=text/xml">here</a>, while
51 the HTML version of it can be found
52 <a href="http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/*checkout*/kgsueme/kgsueme/doc/protocol.html?rev=HEAD&amp;content-type=text/html">here</a>.
53 (update: sourceforge is weeks behind on their anonymous cvs servers so the above might be out-of-date. sorry.)</p>
54
55 <h2>Structure and conventions of this document and the protocol</h2>
56
57 <p>"ORIGIN: CLIENT" means messages send from the client to the server,
58 while "ORIGIN: SERVER" means messages send by the server to the
59 client.</p>
60
61 <p>Everything on the wire is in little-endian format (what a shame).</p>
62
63 <p>Primitive types are mostly integers (signed
64 "<code>I</code>&lt;bits&gt;", unsigned "<code>U</code>&lt;bits&gt;"),
65 ascii strings ("<code>username</code>"), zero- or non-terminated
66 UCS2-Strings ("<code>ZSTRING</code>" or "<code>STRING</code>"). Yes,
67 I know java is supposed to do UTF-16, but no implementation seems to
68 care...</p>
69
70 <p>For the rest, go figure or bug me, <a href="mailto:pcg@goof.com">Marc Lehmann &lt;pcg@goof.com&gt;</a></p>
71
72 <h2>Stream and message structure.</h2>
73
74 <p>After connecting to the server, a handshake byte is sent. It's
75 the major version number of the protocol the client expects to
76 receive. Version 3 and 4 are mostly the same, except that Version 4
77 clients expect server messages to be compressed, version 3 clients
78 not.</p>
79
80 <p>The server sends back his protocol number, which is always 3 in
81 the current protocol. Most of the protocol variation is determined by
82 the server using the client version that is used in the initial login
83 message, not the initial handshake byte.</p>
84
85 <p>After the initial handshake, the client sends uncompressed
86 messages, while the server sends back a zlib-compressed
87 stream (<a href="http://rfc1950.x42.com/">rfc1950</a> and <a
88 href="http://rfc1950.x42.com/">rfc1951</a>).</p>
89
90 <p>All messages have the same header:</p>
91
92 <struct name="message_header">
93 <member name="_unknown" type="U16"/>
94 <member name="length" type="U16"/>
95
96 <p>The length is the length of the full message including the header.</p>
97
98 <p>Beginning with version 2.5.x, a number is xored into the low
99 byte of the length in <em>sent</em> packages only, as given by the
100 following recurrence: <code>rand[0] = 0; rand[i+1] = msg[i].length
101 + (rand[i] * 0x04c2af9b + 0xfffffffb); xorbyte = rand &gt;&gt;
102 24</code>, all in 32 bit unsigned iso-c arithmetic.</p>
103
104 <member name="type" type="U16"/>
105 <p>If the type is &gt;= 0x4000 this is a message for a specific channel. The channel
106 number is always the next U16.</p>
107
108 <p>Beginning with version 2.5.x, a number is <em>added</em> on <em>received</em>
109 messages only. The algorithm is as follows:
110
111 <pre>
112 msglen &lt; 44: type = typefield
113 msglen &gt; 44: type = (typefield + rand[i]) % 0x10000
114 rand[0] = 0
115 rand[i+1] = username[type % length username] + rand[i] * (type - 0x6cdd)
116 where username is the user name of the logged-in user. coooool.
117 </pre>
118 </p>
119
120 </struct>
121
122 <h2>Primitive types used in the protocol.</h2>
123
124 <p>Apart from the basic types, I need to define some extra types to
125 deal with fixed-point values (based on integer types) or fixed-length
126 strings (either 7-bit-ascii or more limited (<code>A</code>), or UCS-2
127 based (<code>S</code>)).</p>
128
129 <type name="username" type="A" length="10"/>
130
131 <p>The basic user or login name, used throughout the protocol
132 as a handle to the user.</p>
133
134 <type name="roomname" type="S" length="25"/><!-- argh, how horribly broken -->
135
136 <p>Many strings in the protocol are fixed-width for no good reason
137 (maybe this is one reason for using compression in newer versions, as
138 the packets itself are wasting lots of space.</p>
139
140 <type name="realname" type="S" length="50"/>
141 <type name="email" type="S" length="70"/>
142 <type name="userinfo" type="S" length="1000"/>
143 <type name="url" type="A" length="100"/>
144
145 <p>Used in user_record.</p>
146
147 <type name="locale" type="A" length="5"/>
148
149 <p>A kind of locale specifier. It seems the general format seems to be
150 lowercase language, underscore, uppercase location, e.g. en_US. More
151 fancy specifications don't fit.</p>
152
153 <type name="flag" type="U8" multiplier="1"/>
154
155 <p>Just a simple boolean value. 0 means false, and 1 generally true,
156 but I suggest accepting != 0 as true.</p>
157
158 <type name="komi16" type="I16" multiplier="2"/>
159 <type name="komi32" type="I32" multiplier="2"/>
160 <type name="komi324" type="I32" multiplier="4"/>
161
162 <p>Komi values are multiplied by 2 to make them integer in the
163 protocol. Well, *most* of the time at least...</p>
164
165 <type name="result" type="I32" multiplier="2"/>
166
167 <p>The game result is also multiplied by two to give it higher
168 resolution. There are also special values for wins by time etc., either
169 in result or in the score* types, or both :)</p>
170
171 <type name="score16" type="I16" multiplier="4"/>
172 <type name="score32" type="I32" multiplier="4"/>
173 <type name="score1000" type="I32" multiplier="1000"/>
174
175 <p>A score value (used for displaying the score at the end of a game)
176 are multiplied by four for a change (the 0.25 resolution is not
177 used). In game structures it is encoded by dividing by two, though, so
178 watch out! And in some others, it's encoded by multiplying by 1000...
179 yuck!</p>
180
181 <type name="time" type="U32" multiplier="1000"/>
182
183 <p>Time values are multiplied by 1000, giving them millisecond
184 accuracy.</p>
185
186 <type name="timestamp" type="U64" multiplier="1000"/>
187
188 <p>64 bit timeval, milliseconds since posix epoch, e.g. <code>my
189 ($year, $month, $day) = (gmtime $date * 0.001)[5,4,3];</code></p>
190
191 <type name="password" type="U64"/>
192
193 <p>Password is a number calculated as follows (VERY insecure, basically
194 plaintext!): <code>password = 0; for char in characters do password ←
195 password * 1055 + ascii_code (char)</code></p>
196
197 <h2>Enumeration and set types used in the protocol.</h2>
198
199 <enum name="GAMETYPE">
200 <member name="DEMONSTRATION" value="0"/>
201 <member name="TEACHING" value="1"/>
202 <member name="FREE" value="2"/>
203 <member name="RATED" value="3"/>
204 <member name="TYPE4" value="4"/>
205 Probably not used, but the protocol has space for it it seems.
206 </enum>
207
208 <enum name="GAMEOPT">
209 <member name="NONE" value="0"/>
210 <member name="LECTURE" value="1"/>
211 <member name="PRIVATE" value="2"/>
212 <member name="SIMUL" value="3"/>
213 </enum>
214
215 <set name="GAMEFLAG">
216 <member name="SCORED" value="1"/>
217 <member name="ADJOURNED" value="2"/>
218 <member name="UPLOADED" value="4"/>
219 </set>
220
221 <set name="ROOMFLAG">
222 <member name="ADMIN" value="0x01"/>
223 <p>Admins only(?)</p>
224 <member name="DEFAULT" value="0x04"/>
225 <p>Seems to be set on the english room. Or maybe not.</p>
226 <member name="PRIVATE" value="0x10"/>
227 <p>This room is private.</p>
228 </set>
229
230 <set name="GAMESTATUS">
231 <member name="INPLAY" value="0x80"/>
232 </set>
233
234 <enum name="SCORE">
235 <p>Special score values, in addition to numerical scores. Some are also used with their
236 negative value.</p>
237
238 <member name="TIMEOUT" value="16384 / 4"/>
239 Also used negatively to score for white instead of black.
240
241 <member name="RESIGN" value="16385 / 4"/>
242 Also used negatively to score for white instead of black.
243
244 <member name="FORFEIT" value=" 0 / 4"/>
245 Also used negatively to score for white instead of black.
246
247 <member name="JIGO" value="16386 / 4"/>
248
249 <member name="NO_RESULT" value="16386 / 4"/>
250 <member name="ADJOURNED" value="16387 / 4"/>
251 <member name="UNKNOWN" value="16389 / 4"/>
252 </enum>
253
254 <enum name="RULESET">
255 <member name="JAPANESE" value="0"/>
256 <member name="CHINESE " value="1"/>
257 <member name="AGA" value="2"/>
258 <member name="NEW_ZEALAND" value="3"/>
259 </enum>
260
261 <enum name="TIMESYS">
262 <member name="NONE" value="0"/>
263 <member name="ABSOLUTE" value="1"/>
264 <member name="BYO_YOMI" value="2"/>
265 <member name="CANADIAN" value="3"/>
266 </enum>
267
268 <enum name="COLOUR">
269 <p>Convinience constants used in several places.</p>
270 <member name="BLACK" value="0"/>
271 <member name="WHITE" value="1"/>
272 </enum>
273
274 <h2>Structs used in send &amp; receive messages</h2>
275
276 <struct name="user" class="KGS::User">
277
278 <p>Almost everywhere a user + flags is required, even used in some places
279 where only a username is required. I see no general rule on when a
280 complete user and when a partial user is required.</p>
281
282 <member name="name" type="username"/>
283 <member name="flags" type="U32" value="1"/>
284 </struct>
285
286 <struct name="rules" class="KGS::Rules">
287
288 <p>This structure is used for challenges as well as in the special
289 TREE "subprotocol". It tightly encodes the game parameters.</p>
290
291 <member name="ruleset" type="U8"/>
292 <member name="size" type="U8"/>
293 <member name="handicap" type="U8"/>
294 <member name="komi" type="komi16"/>
295 <member name="timesys" type="U8"/>
296 <member name="time" type="U32"/>
297 <member name="interval" type="U32"/>
298 byo-yomi time / canadian time
299 <member name="count" type="U16"/>
300 periods / moves
301 </struct>
302
303 <h2>Structs used in messages from the client</h2>
304
305 <h2>Client-generated messages</h2>
306
307 <message type="0000" name="login" src="client">
308
309 <p>Sent to login, usually the first message sent. The password needs to be set when the
310 guest flag is true.
311 Possible replies: <ref reply="login"/>. Followed by: <ref reply="timewarning_default"/> <ref reply="chal_defaults"/>
312 </p>
313
314 <member name="ver_major" type="U32" value="2"/>
315 <member name="ver_minor" type="U32" value="6"/>
316 <member name="ver_micro" type="U32" value="0"/>
317 <member name="name" type="username"/>
318 <member name="password" type="password" value="0"/>
319 <member name="guest" type="flag" value="1"/>
320 <member name="_unknown3" type="U16" value="0"/>
321 <member name="locale" type="locale" value='"en_US"'/>
322 <member name="clientver" type="DATA" value='"1.4.2_03:Swing app:Sun Microsystems Inc."'/>
323 The "default" is the java vm version, not exactly he client version. However,
324 you should always send a text like "Jonathan's C client version 0.6" or somesuch,
325 so the server can, if necessary, block broken clients or client versions.
326 </message>
327
328 <message type="0007" name="req_userinfo" src="client">
329 <p>Request info about a certain user. Possible reply: <ref reply="userinfo"/></p>
330 <member name="name" type="username"/>
331 </message>
332
333 <message type="0007" name="update_userinfo" src="client">
334 <p>Update user info. Message structure is very similar
335 to <ref ref="userinfo"/>.</p>
336 <member name="setpass" type="flag"/>
337 Should the password be updated?
338 <member name="password" type="password" value="0"/>
339 <member name="realname" type="realname"/>
340 <member name="email" type="email"/>
341 <member name="info" type="userinfo"/>
342 <member name="homepage" type="url"/>
343 <member name="_unused" type="U64" value="0"/>
344 <member name="_unused" type="U64" value="0"/>
345 </message>
346
347 <message type="0013" name="msg_chat" src="client">
348 <p>This message is sent to initiate or continue a private chat with
349 a user. You'll always receive a copy of what you have sent back
350 from the server (as usual).</p>
351
352 <member name="name" type="username"/>
353 Name of sender ("yourself").
354 <member name="name2" type="username"/>
355 Name of recipient.
356 <member name="message" type="STRING"/>
357 The message.
358 </message>
359
360 <message type="0014" name="req_stats" src="client">
361 <p>Request server statistics. Replied with <ref reply="stats"/></p>
362 </message>
363
364 <message type="0016" name="idle_reset" src="client">
365 <p>Send in response to <ref reply="idle_warn"/> to keep the server from disconnecting.</p>
366 </message>
367
368 <message type="001d" name="ping" src="client">
369 <p>Wild guess, I send it in <ref ref="idle_warn"/>.</p>
370 </message>
371
372 <message type="001e" name="req_usergraph" src="client">
373 <p>Request user graph data, replied with <ref reply="usergraph"/>.</p>
374 <member name="name" type="username"/>
375 </message>
376
377 <message type="001f" name="fetch_memos" src="client">
378 <p>Unclear. Fetch all outstanding memos? Replied with <ref reply="memo"/></p>
379 </message>
380
381 <message type="0021" name="req_pic" src="client">
382 <p>Request a user picture from the server. Results in a <ref reply="userpic"/>
383 or a timeout.</p>
384 <member name="name" type="username"/>
385 </message>
386
387 <message type="0021" name="upload_pic" src="client">
388 Same code as pic_req, but with an additional data section that
389 must contain a JPEG image that is &lt;=7KB. It must have 141×200 pixels.
390 <member name="name" type="username"/>
391 <member name="data" type="DATA"/>
392 </message>
393
394 <message type="0023" name="send_memo" src="client">
395 <member name="name" type="username"/>
396 <member name="msg" type="STRING"/>
397 </message>
398
399 <message type="0100" name="gnotice" src="client">
400 <p>Send a global message. Maybe. Never tried, for obvious reasons :/. Results
401 in a <ref reply="gnotice"/> sent to all users.</p>
402 <member name="notice" type="STRING"/>
403 </message>
404
405 <message type="0200" name="notify_add" src="client">
406
407 <p>Probably setting a notifier on a username, to get informed about
408 changes using <ref reply="notify_upd"/> messages. sending your own
409 username gives you a disconnect, so don't do that at home, kids!</p>
410
411 <member name="name" type="username"/>
412 </message>
413
414 <message type="0201" name="notify_del" src="client">
415
416 <p>Probably remove the notifier again.</p>
417
418 <member name="name" type="username"/>
419 </message>
420
421 <message type="0318" name="list_rooms" src="client">
422 <p>List the rooms in a specific group/category. Results in a <ref reply="upd_rooms"/> message.</p>
423 <member name="group" type="U8"/>
424 </message>
425
426 <message type="031a" name="new_room" src="client">
427 Create a new room. Not verified.
428 <member name="name" type="username"/>
429 <member name="i1" type="U32" value="0"/>
430 <member name="b1" type="U8" value="0"/>
431 <member name="b2" type="U8" value="255"/>
432 <member name="b3" type="U8" value="255"/>
433 <member name="group" type="U8" value="1"/>
434 <member name="name" type="ZSTRING"/>
435 <member name="description" type="ZSTRING"/>
436 <member name="flags" type="U8"/>
437 See ROOMFLAGs
438 </message>
439
440 <message type="031b" name="req_upd_rooms" src="client">
441 <p>Request a rooms update message for the given room.</p>
442 <member name="channel" type="U16"/>
443 </message>
444
445 <message type="0413" name="req_game_record" src="client">
446 <p>Requests part of the users game record to be sent. Results in a <ref reply="game_record"/> or maybe a timeout.</p>
447 <member name="name" type="username"/>
448 <member name="timestamp" type="timestamp"/>
449 If zero, start at the newest games, else only send games
450 before the given timestap.
451 </message>
452
453 <message type="4300" name="join_room" src="client">
454 <p>Joins the given room. <ref reply="join_room"/> messages for yourself
455 and all users in that room, as well as the initial gamelist, are
456 send if the room exists. If not, timeout...</p>
457 <member name="channel" type="U16"/>
458 <member name="user" type="user"/>
459 </message>
460
461 <message type="4301" name="msg_room" src="client">
462 Send a message to the room.
463 <member name="channel" type="U16"/>
464 <member name="name" type="username"/>
465 Must be the login-name of the user.
466 <member name="message" type="STRING"/>
467 </message>
468
469 <message type="4302" name="part_room" src="client">
470 Remove yourself (or maybe others as admin) from a room.
471 <member name="channel" type="U16"/>
472 <member name="name" type="username"/>
473 </message>
474
475 <message type="4305" name="new_game" src="client">
476 <p>Unclear. Start a new game.
477 <p>Clone: 00000: 20202020 20202020 20202020 20203238 28
478 00010: 9d000543 0d000000 00000000 00130201 ...C............
479 00020: 0000ffff ffffffff ffffffff 00000000 ..ÿÿÿÿÿÿÿÿÿÿ....</p>
480 </p>
481
482 <member name="channel" type="U16"/>
483 <p>The room where to start the new game</p>
484 <member name="id" type="U16"/>
485 <member name="gametype" type="U32"/>
486 <p>
487 0x200 == global open game list
488 </p>
489 <member name="rules" type="rules"/>
490 <p>When cloning a game, the rules are set up like this:
491 count => 65535, ruleset => 0, time => 4294967295, timesys => 0, interval => 4294967295.
492 Cloning itself seems to be implemented solely in the client (somewhat sane, for a change).
493 </p>
494 <member name="notes" type="STRING"/>
495 </message>
496
497 <message type="430a" name="load_game" src="client">
498 Load an existing game into a room(?)
499 There is no indication that a new game is there except
500 for a upd_observers message with your name in it. Which means
501 you have to watch upd_observers messages that are not for any
502 currently open game and open one. Ugh.
503 <member name="channel" type="U16"/>
504 The room to load the game into.
505 <member name="timestamp" type="timestamp"/>
506 From the game record.
507 <member name="user" type="username"/>
508 <member name="flags" type="U8"/>
509 0 == public, 2 == private
510 </message>
511
512 <message type="430b" name="req_games" src="client">
513 Request to update room game list (send this once per minute to get
514 updated). Results in upd_games messages.
515 <member name="channel" type="U16"/>
516 </message>
517
518 <message type="4319" name="req_desc" src="client">
519 Request room description.
520 <member name="channel" type="U16"/>
521 </message>
522
523 <message type="4400" name="send_challenge" src="client">
524 Unclear.
525 <member name="channel" type="U16"/>
526 <member name="black" type="username"/>
527 <member name="white" type="username"/>
528 More following... TREE or challenge.
529 </message>
530
531 <message type="4403" name="join_game" src="client">
532 Join a game. See join_room.
533 <member name="channel" type="U16"/>
534 <member name="user" type="user"/>
535 </message>
536
537 <message type="4404" name="part_game" src="client">
538 Leave (or kick as admin?) a certain user from a game.
539 <member name="channel" type="U16"/>
540 <member name="name" type="username"/>
541 </message>
542
543 <message type="4405" name="set_tree" src="client">
544 Possibly upload an initial game to an empty room. Not tested.
545
546 <member name="channel" type="U16"/>
547 <member name="tree" type="TREE"/>
548 </message>
549
550 <message type="4406" name="upd_tree" src="client">
551 Upload a partial game tree to the server. This is used to send moves
552 and even in-game comments to the server. For the comments, the
553 server prepends the username and rank.
554
555 <member name="channel" type="U16"/>
556 <member name="tree" type="TREE"/>
557 </message>
558
559 <message type="4408" name="get_tree" src="client">
560 Request the game tree starting at a given node. This is used
561 when the server only sends a partial tree (with end code "more").
562 <member name="channel" type="U16"/>
563 <member name="node" type="U32"/>
564 </message>
565
566 <message type="440c" name="claim_win" src="client">
567 Unclear.
568 <member name="channel" type="U16"/>
569 <member name="_byte" type="U8 "/>
570 Player colour maybe? Unclear.
571 </message>
572
573 <message type="440d" name="add_time" src="client">
574 Not checked.
575
576 <member name="channel" type="U16"/>
577 <member name="time" type="U32"/>
578 <member name="player" type="U8"/>
579 </message>
580
581 <message type="440f" name="grant_undo" src="client">
582 Can be send after a req_undo message was received to grant the undo.
583 <member name="channel" type="U16"/>
584 </message>
585
586 <message type="4410" name="resign_game" src="client">
587 Resign the game.
588 <member name="channel" type="U16"/>
589 <member name="player" type="U8"/>
590 </message>
591
592 <message type="441a" name="set_teacher" src="client">
593 <p>Change the teacher to somebody else (or possibly yourself == take it). If the
594 name is empty, the game will continue normally.</p>
595 <member name="channel" type="U16"/>
596 <member name="name" type="username"/>
597 </message>
598
599 <message type="4422" name="allow_user" src="client">
600 <p>Unclear. Maybe allow users to talk? No idea, really.</p>
601
602 <member name="channel" type="U16"/>
603 <member name="othername" type="username"/>
604 <member name="name" type="username"/>; # gives user access to the game (to what? ;)
605 </message>
606
607 <message type="4423" name="set_privacy" src="client">
608 Probably sets the "quiet" flag. Not checked.
609 <member name="channel" type="U16"/>
610 <member name="private" type="U8"/>
611 </message>
612
613 <message type="4429" name="reject_challenge" src="client">
614 Reject a challenge from a given user. Not checked.
615
616 <member name="channel" type="U16"/>
617 <member name="name" type="username"/>
618 </message>
619
620 <message type="442e" name="save_game" src="client">
621 <p>Is send when a game is closed and should be saved on the gamerecord.</p>
622
623 <member name="channel" type="U16"/>
624 </message>
625
626 <message type="4433" name="req_result" src="client">
627 I forgot.
628
629 <member name="channel" type="U16"/>
630 </message>
631
632 <message type="4434" name="set_quiet" src="client">
633 <p>Sets (or clears) the quiet flag on a game.</p>
634 <member name="channel" type="U16"/>
635 <member name="quiet" type="U8"/>
636 </message>
637
638 <message type="4436" name="msg_game" src="client">
639 <member name="channel" type="U16"/>
640 <member name="message" type="STRING"/>
641 </message>
642
643 <message type="ffff" name="quit" src="client">
644 <p>Sent by the client just before it logs out.</p>
645 </message>
646
647 <h2>Structs mainly used in messages send by the server</h2>
648
649 <struct name="challenge_defaults">
650 Send soon after log-in to set the defaults for game challenges.
651 <member name="gametype" type="U32"/>
652 <member name="size" type="U32"/>
653 <member name="timesys" type="U32"/>
654 <member name="time" type="U32"/>
655 <member name="byo_time" type="U32"/>
656 <member name="byo_periods" type="U32"/>
657 <member name="can_time" type="U32"/>
658 <member name="can_stones" type="U32"/>
659 </struct>
660
661 <struct name="challenge" class="KGS::Challenge">
662 A challenge.
663
664 <member name="user1" type="user"/>
665 <member name="user2" type="user"/>
666 <member name="gametype" type="U32"/>
667 <member name="rules" type="rules"/>
668 Maybe the rules" are in TREE format. I forgot.
669 </struct>
670
671 <struct name="game" class="KGS::Game">
672 Basic information about a game. Used in rooms for the gamelist and
673 in games to detect when a game is saved, changed type (e.g. R => D)
674 etc.
675
676 <member name="channel" type="U16"/>
677 <member name="type" type="U8"/>
678 <member name="user1" type="user"/>
679 White
680 <member name="user2" type="user"/>
681 Black
682 <member name="user3" type="user"/>
683 Owner
684 <member name="size" type="U8"/>
685 <member name="handicap" type="I8"/>
686 &lt; 0 not fully setup
687 <member name="komi" type="komi16"/>
688 <member name="moves" type="I16"/>
689 This field reflects either the movenum or the score, sorry, not even guards help, as
690 the flags to determine that are _after_ the field. Arg. Divide by two to get the actual
691 score (NOT score16!) (arg²).
692 <member name="flags" type="U16"/>
693 <member name="observers" type="U32"/>
694 <member name="saved" type="flag"/>
695 <member name="notes" type="STRING" guard-member="handicap" guard-cond="&lt; 0"/>
696 </struct>
697
698 <struct name="room_obs">
699 Obsolete.
700
701 <member name="name" type="roomname"/>
702 <member name="channel" type="U16"/>
703 <member name="flags" type="U32"/>
704 <member name="users" type="U32"/>
705 </struct>
706
707 <struct name="room" class="KGS::Room">
708 <member name="channel" type="U16"/>
709 <member name="flags" type="U8"/>
710 <member name="group" type="U8"/>
711 <member name="users" type="U16"/>
712 <member name="games" type="U16"/>
713 <member name="name" type="STRING"/>
714 </struct>
715
716 <struct name="scorevalues" class="KGS::Score">
717 <member name="score" type="score32"/>
718 <member name="territory" type="U32"/>
719 <member name="captures" type="U32"/>
720 <member name="i3" type="U32"/>
721 <member name="f2" type="U32"/>
722 <member name="komi" type="komi324"/>
723 <member name="i4" type="U32"/>
724 Apparently the i3, f2, i4 are zero.
725 </struct>
726
727 <struct name="game_record" class="KGS::GameRecord">
728 <p>A single game record entry, as seen in <ref ref="userinfo"/>.</p>
729
730 <member name="timestamp" type="timestamp"/>
731 Time this game was played.
732 <member name="flags1" type="U8"/>
733 <p>0:3 == handicap, 4:7 == gametype:0:4</p>
734 <member name="user1" type="user"/>
735 White, flags contain low 8 bits of revision (bits 16-23).
736 <member name="user2" type="user"/>
737 Black, flags contain high 8 bits of revision (bits 16-23).
738 <member name="user3" type="user"/>
739
740 <p><p>Owner (or empty)</p>
741
742 <p>The bits 16-24 of user1.flags and user2.flags give the high and
743 low bits of a revision number in case there are multiple similar
744 games.</p></p>
745
746 <member name="flags2" type="U16"/>
747 <p>0:11 == komi / 2, 12:14 == high 3 bits of gametype, 15: == sign bit</p>
748 <member name="score" type="score16"/>
749 <member name="flags3" type="U8"/>
750
751 <p>0:5 == boardsize; 6: == no idea; 7: == inplay?</p>
752
753 </struct>
754
755 <h2>Server-generated messages</h2>
756
757 <message type="0001" name="login" src="server">
758 <member name="message" type="CONSTANT" value='login successful'/>
759 <member name="success" type="CONSTANT" value="1"/>
760 </message>
761
762 <message type="0002" name="login" src="server">
763 <member name="message" type="CONSTANT" value='login successful: client version is outdated.'/>
764 <member name="success" type="CONSTANT" value="1"/>
765 </message>
766
767 <message type="0003" name="login" src="server">
768 <member name="message" type="CONSTANT" value='login failed: client version out of date'/>
769 ** maybe more following? **
770 </message>
771
772 <message type="0004" name="login" src="server">
773 <member name="message" type="CONSTANT" value='login failed: wrong password'/>
774 ** maybe more following? **
775 </message>
776
777 <message type="0005" name="login" src="server">
778 <member name="message" type="CONSTANT" value='login failed: specified user does not exist'/>
779 </message>
780
781 <message type="0006" name="login" src="server">
782 <member name="message" type="CONSTANT" value='login failed: registered user of same name exists'/>
783 </message>
784
785 <message type="0008" name="userinfo" src="server">
786 User info.
787 <member name="_unused0" type="flag"/>
788 <member name="user" type="user"/>
789 <member name="_unused1" type="U64"/>
790 <member name="realname" type="realname"/>
791 <member name="email" type="email"/>
792 <member name="info" type="userinfo"/>
793 <member name="homepage" type="url"/>
794 <member name="regdate" type="timestamp"/>
795 When the user registered (0 == never registered).
796 <member name="lastlogin" type="timestamp"/>
797 When the user logged in for the last time.
798 <!-- maybe more? -->
799 </message>
800
801 <message type="0009" name="upd_userinfo_result" src="server">
802 <member name="name" type="username"/>
803 <member name="message" type="CONSTANT" value='Thanks for registering.'/>
804 </message>
805
806 <message type="000a" name="upd_userinfo_result" src="server">
807 <member name="name" type="username"/>
808 <member name="message" type="CONSTANT" value='The user &quot;%s&quot; has been successfully updated.'/>
809 </message>
810
811 <message type="000b" name="upd_userinfo_result" src="server">
812 <member name="name" type="username"/>
813 <member name="message" type="CONSTANT" value='There is no user &quot;%s&quot;. Update failed.'/>
814 </message>
815
816 <message type="0012" name="userinfo_failed" src="server">
817 <p>Sent when no userinfo for the requested user could be found(?)</p>
818 <member name="name" type="username"/>
819 </message>
820
821 <message type="0013" name="msg_chat" src="server">
822 <member name="name" type="username"/>
823 Name of sender (either yourself (echo) or other)
824 <member name="name2" type="username"/>
825 Name of recipient.
826 <member name="message" type="STRING"/>
827 </message>
828
829 <message type="0015" name="stats" src="server">
830 <member name="ver_major" type="U16"/>
831 <member name="ver_minor" type="U16"/>
832 <member name="ver_micro" type="U16"/>
833 <member name="boot_time" type="timestamp"/>
834 <member name="users_cur" type="U32"/>
835 <member name="users_max" type="U32"/>
836 <member name="users_lim" type="U32"/>
837 <member name="accts_cur" type="U32"/>
838 <member name="accts_max" type="U32"/>
839 <member name="unknown1" type="U32"/>
840 <member name="work_max" type="U32"/>
841 <member name="rooms_cur" type="U32"/>
842 <member name="rooms_max" type="U32"/>
843 <member name="rooms_lim" type="U32"/>
844 <member name="games_cur" type="U32"/>
845 <member name="games_max" type="U32"/>
846 <member name="games_lim" type="U32"/>
847 <member name="results_cur" type="U32"/>
848 <member name="results_max" type="U32"/>
849 <member name="unknown2" type="U32"/>
850 <member name="params_cur" type="U32"/>
851 <member name="params_max" type="U32"/>
852 <member name="bytes_in" type="U64"/>
853 <member name="packets_in" type="U64"/>
854 <member name="bytes_out" type="U64"/>
855 <member name="packets_out" type="U64"/>
856 </message>
857
858 <message type="0016" name="idle_warn" src="server">
859 idle warning, autologout soon (10 minutes...)
860 </message>
861
862 <message type="0018" name="login" src="server">
863 <member name="message" type="CONSTANT" value='logged out: another client logged in with your username'/>
864 </message>
865
866 <message type="001c" name="login" src="server">
867 <member name="message" type="CONSTANT" value='logged out: idle for too long'/>
868 </message>
869
870 <message type="0020" name="error" src="server">
871 <member name="message" type="CONSTANT" value='Sorry, you have too many unfinished games. You cannot turn on your rank. Please finish some of your games, then try again.'/>
872 </message>
873
874 <message type="0022" name="login" src="server">
875 I was blocked sooo many times for developing this client that it was
876 easy to figure out. The KGS admins sure need no extra nazi training
877 :(
878 <member name="reason" type="STRING"/>
879 <member name="result" type="CONSTANT" value='user or ip blocked'/>
880 </message>
881
882 <message type="001b" name="timewarning_default" src="server">
883 WILD guess
884 <member name="channel" type="U16"/>
885 <member name="time" type="U16"/>
886 </message>
887
888 <message type="001c" name="idle_err" src="server">
889 autologout
890 </message>
891
892 <message type="001d" name="ping" src="server">
893 Sent by the server regularly, but not answering them
894 isn't valid. Strange form of keepalive?
895 </message>
896
897 <message type="001e" name="usergraph" src="server">
898 User graph data.
899 <member name="name" type="username"/>
900 <member name="data" type="I16" array="yes"/>
901 If empty, no graph is available. The unit seems to
902 be centi-kyu, with 1 dan == 0, 2 dan == 100, 1 kyu == -100.
903 There is probably one entry per day, the newest one last.
904 </message>
905
906 <message type="001f" name="memo" src="server">
907 Unclear. "Leave Message"?
908 6 strings following.
909 <member name="s1" type="ZSTRING"/>
910 <member name="s2" type="ZSTRING"/>
911 <member name="s3" type="ZSTRING"/>
912 <member name="s4" type="ZSTRING"/>
913 <member name="s5" type="ZSTRING"/>
914 <member name="s6" type="ZSTRING"/>
915 </message>
916
917 <message type="0021" name="userpic" src="server">
918 <member name="name" type="username"/>
919 Reply to pic_req, contains an image in jpeg format.
920 <member name="data" type="DATA"/>
921 </message>
922
923 <message type="0100" name="gnotice" src="server">
924 global notice, sent to everybody
925 <member name="notice" type="STRING"/>
926 </message>
927
928 <message type="0202" name="notify_event" src="server">
929 # maybe soe notify? Totally unclear.
930 # loc 0" type="userinfo, flags etc. loc 1 => gameinfo?, loc 2 => game result (more data)
931 <member name="event" type="U32"/>
932 <member name="user" type="user"/>
933 <member name="gamerecord" type="game_record" guard-member="event" guard-cond="== 2"/>
934 <p>Game result record?</p>
935
936 </message>
937
938 <message type="0310" name="priv_room" src="server">
939 "permission denied" when joining a room
940 <member name="name" type="STRING"/>
941 </message>
942
943 <message type="0318" name="upd_rooms" src="server">
944 <member name="rooms" type="room" array="yes"/>
945 </message>
946
947 <message type="0411" name="chal_defaults" src="server">
948 <member name="channel" type="U16"/>
949 <member name="defaults" type="challenge_defaults"/>
950 </message>
951
952 <message type="0412" name="game_error" src="server">
953 Unable to create challenge. The channel is be optional.
954 <member name="message" type="CONSTANT" value='Sorry, you are already playing in one game, so you can&apos;t start playing in another.'/>
955 <member name="channel" type="U16"/>
956 </message>
957
958 <message type="0414" name="game_record" src="server">
959 The users game record.
960 <member name="name" type="username"/>
961 <member name="more" type="flag"/>
962 Wether more games are available (must be requested manually)
963 <member name="games" type="game_record" array="yes"/>
964 </message>
965
966 <message type="0417" name="error" src="server">
967 <member name="message" type="CONSTANT" value='Sorry, your opponent is currently not logged in, so you can&apos;t resume this game.'/>
968 </message>
969
970 <message type="0418" name="error" src="server">
971 <member name="message" type="CONSTANT" value='Sorry, your opponent is already playing in a game, so you cannot continue this one.'/>
972 </message>
973
974 <message type="0419" name="error" src="server">
975 <member name="message" type="CONSTANT" value='Sorry, the server is out of boards! Please wait a few minutes and try to start a game again.'/>
976 </message>
977
978 <message type="041c" name="upd_game2" src="server">
979 Unclear.
980 <member name="channel_junk" type="U16"/>
981 <member name="game" type="game"/>
982 </message>
983
984 <message type="041f" name="error" src="server">
985 <member name="message" type="CONSTANT" value='Sorry, the game you tried to load was not correctly saved...probably caused by the server crashing. It cannot be recovered.'/>
986 </message>
987
988 <message type="0420" name="error" src="server">
989 <member name="message" type="CONSTANT" value='Sorry, user &quot;%s&quot; has left the game you are starting before you could challenge them. You will have to play against somebody else.'/>
990 </message>
991
992 <message type="0421" name="error" src="server">
993 <member name="message" type="CONSTANT" value='Sorry, this game is a private lesson. You will not be allowed to observe it.'/>
994 </message>
995
996 <!-- added recently -->
997 <message type="043a" name="add_global_challenge" src="server">
998 <p>
999 Adds or updates a global challenge (open game list).
1000 </p>
1001 <member name="channel" type="U16"/>
1002 <p>
1003 The room this game is associated with.
1004 </p>
1005 <member name="game" type="game"/>
1006 </message>
1007
1008 <h3>Room messages</h3>
1009
1010 <p>Not all room messages are for rooms only, and rooms need to parse
1011 not only these messages. Orthogonality, what for?</p>
1012
1013 <message type="4300" name="join_room" src="server">
1014 <member name="channel" type="U16"/>
1015 <member name="users" type="user" array="yes"/>
1016 </message>
1017
1018 <message type="4301" name="msg_room" src="server">
1019 <member name="channel" type="U16"/>
1020 <member name="name" type="username"/>
1021 <member name="message" type="STRING"/>
1022 </message>
1023
1024 <message type="4302" name="part_room" src="server">
1025 <member name="channel" type="U16"/>
1026 <member name="user" type="user"/>
1027 </message>
1028
1029 <message type="4303" name="del_room" src="server">
1030 <member name="channel" type="U16"/>
1031 </message>
1032
1033 <message type="4304" name="upd_games" src="server">
1034 <member name="channel" type="U16"/>
1035 <member name="games" type="game" array="yes"/>
1036 </message>
1037
1038 <message type="4319" name="desc_room" src="server">
1039 <member name="channel" type="U16"/>
1040 <member name="owner" type="username"/>
1041 <member name="description" type="STRING"/>
1042 </message>
1043
1044 <h3>Game messages</h3>
1045
1046 <message type="4400" name="upd_challenge" src="server">
1047 Unclear.
1048 <member name="channel" type="U16"/>
1049 <member name="challenge" type="challenge"/>
1050 </message>
1051
1052 <message type="4401" name="upd_game" src="server">
1053 <member name="channel" type="U16"/>
1054 <member name="game" type="game"/>
1055 </message>
1056
1057 <message type="4402" name="del_game" src="server">
1058 <member name="channel" type="U16"/>
1059 </message>
1060
1061 <message type="4403" name="upd_observers" src="server">
1062 <member name="channel" type="U16"/>
1063 <member name="users" type="user" array="yes"/>
1064 </message>
1065
1066 <message type="4404" name="del_observer" src="server">
1067 <member name="channel" type="U16"/>
1068 <member name="name" type="username"/>
1069 </message>
1070
1071 <message type="4405" name="set_tree" src="server">
1072 <member name="channel" type="U16"/>
1073 <member name="tree" type="TREE"/>
1074 </message>
1075
1076 <message type="4406" name="upd_tree" src="server">
1077 <member name="channel" type="U16"/>
1078 <member name="tree" type="TREE"/>
1079 </message>
1080
1081 <message type="4409" name="superko" src="server">
1082 Superko-warning.
1083 <member name="channel" type="U16"/>
1084 </message>
1085
1086 <message type="440b" name="final_result" src="server">
1087 <member name="channel" type="U16"/>
1088 <member name="blackscore" type="scorevalues"/>
1089 <member name="whitescore" type="scorevalues"/>
1090 </message>
1091
1092 <message type="440e" name="req_undo" src="server">
1093 <member name="channel" type="U16"/>
1094
1095 </message>
1096
1097 <message type="4410" name="resign_game" src="server">
1098 <member name="channel" type="U16"/>
1099 <member name="player" type="U8"/>
1100 </message>
1101
1102 <message type="4415" name="game_error" src="server">
1103 <member name="channel" type="U16"/>
1104 <member name="message" type="CONSTANT" value='Sorry, this is a lecture game. Only authorized players are allowed to make comments.'/>
1105 </message>
1106
1107 <message type="441a" name="set_teacher" src="server">
1108 <member name="channel" type="U16"/>
1109 <member name="name" type="username"/>
1110 </message>
1111
1112 <message type="441d" name="owner_left" src="server">
1113 <member name="channel" type="U16"/>
1114 <member name="message" type="CONSTANT" value='Sorry, the owner of this game has left. Nobody will be allowed to edit it until the owner returns.'/>
1115 </message>
1116
1117 <message type="441e" name="teacher_left" src="server">
1118 Unclear.
1119 <member name="channel" type="U16"/>
1120 </message>
1121
1122 <message type="4422" name="allow_user_result" src="server">
1123 <member name="message" type="CONSTANT" value='User &quot;%s&quot; will now be allowed full access to your game.'/>
1124 <member name="channel" type="U16"/>
1125 </message>
1126
1127 <message type="4424" name="allow_user_result" src="server">
1128 <member name="message" type="CONSTANT" value='Sorry, user &quot;%s&quot; is a guest and cannot be allowed full access to your game.'/>
1129 <member name="channel" type="U16"/>
1130 </message>
1131
1132 <message type="4425" name="allow_user_result" src="server">
1133 <member name="message" type="CONSTANT" value='Sorry, user &quot;%s&quot; does not seem to exist and cannot be allowed into your game.'/>
1134 <member name="channel" type="U16"/>
1135 </message>
1136
1137 <message type="4428" name="add_tree" src="server">
1138 <p>See <ref ref="set_tree"/>. In addition, flags the tree as being
1139 uploaded completely.</p>
1140 <member name="channel" type="U16"/>
1141 <member name="tree" type="TREE"/>
1142 </message>
1143
1144 <message type="4429" name="reject_challenge" src="server">
1145 Reject a challenge by a given user. Not checked.
1146
1147 <member name="channel" type="U16"/>
1148 <member name="name" type="username"/>
1149 </message>
1150
1151 <message type="442f" name="new_game" src="server">
1152 <p>Notifies the client that a new game has been created. This
1153 message is sent long *after* upd_games and upd_observers etc.
1154 have been received. *sigh*</p>
1155
1156 <member name="channel" type="U16"/>
1157 <p>The newly created game.</p>
1158 <member name="id" type="U16"/>
1159 <p>The ID sent to the server in new_game.</p>
1160 </message>
1161
1162 <message type="4433" name="req_result" src="server">
1163 Unclear.
1164 <member name="channel" type="U16"/>
1165 # # recv_result(?)
1166 </message>
1167
1168 <message type="4434" name="set_quiet" src="server">
1169 <p>Sets (or clears) the quiet flag on a game.</p>
1170 <member name="channel" type="U16"/>
1171 <member name="quiet" type="U8"/>
1172 </message>
1173
1174 <message type="4437" name="set_endtime" src="server">
1175 <p>Sent when joining a scored game (not when scoring). Probably
1176 gives the remaining time + periods/moves for the players.</p>
1177 <member name="channel" type="U16"/>
1178 <member name="btime" type="time"/>
1179 <member name="bcount" type="U16"/>
1180 <member name="wtime" type="time"/>
1181 <member name="wcount" type="U16"/>
1182 </message>
1183
1184 <message type="443b" name="del_global_challenge" src="server">
1185 <p>
1186 Remove a game from the global challenge list (open game list).
1187 </p>
1188 <member name="channel" type="U16"/>
1189 <p>The game id to remove.</p>
1190 <member name="game" type="U16"/>
1191 <p>Probably the same. I suggest to use this id for no good reason.</p>
1192 </message>
1193 </body>
1194 </html>
1195