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Comparing deliantra/server/include/client.h (file contents):
Revision 1.3 by root, Fri Dec 15 20:08:45 2006 UTC vs.
Revision 1.65 by root, Sat Jul 28 00:15:03 2007 UTC

1
2/* 1/*
3 CrossFire, A Multiplayer game for the X Window System 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
4 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 7 *
8 This program is free software; you can redistribute it and/or modify 8 * Crossfire TRT is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version. 11 * (at your option) any later version.
12 12 *
13 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details. 16 * GNU General Public License for more details.
17 17 *
18 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 *
21
22 The author can be reached via e-mail to crossfire@schmorp.de 21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23*/ 22 */
24
25/*
26 newserver.h defines various structures and values that are use for the
27 new client server communication method. Values defined here are only
28 used on the server side code. For shared client/server values, see
29 newclient.h
30*/
31 23
32#ifndef CLIENT_H 24#ifndef CLIENT_H
33#define CLIENT_H 25#define CLIENT_H
34 26
35/* Reduce this from 50 to 5 - as it is now, there will never be more 27#include <deque>
36 * than 3 anyways. 28#include <bitset>
37 */ 29#include <tr1/unordered_set>
38 30
39#define NUM_LOOK_OBJECTS 50 31#if HAVE_TCP_INFO
32# include <netinet/tcp.h>
33#else
34 struct tcpi_info {
35 // dummy
36 char tcpi_state;
37 char tcpi_ca_state;
38 char tcpi_retransmits;
39 char tcpi_probes;
40 char tcpi_backoff;
41 char tcpi_options;
42 char tcpi_snd_wscale;
43 char tcpi_rcv_wscale;
44 char tcpi_rto;
45 char tcpi_ato;
46 char tcpi_snd_mss;
47 char tcpi_rcv_mss;
48 char tcpi_unacked;
49 char tcpi_sacked;
50 char tcpi_lost;
51 char tcpi_retrans;
52 char tcpi_fackets;
53 char tcpi_last_data_sent;
54 char tcpi_last_ack_sent;
55 char tcpi_last_data_recv;
56 char tcpi_last_ack_recv;
57 char tcpi_pmtu;
58 char tcpi_rcv_ssthresh;
59 char tcpi_rtt;
60 char tcpi_rttvar;
61 char tcpi_snd_ssthresh;
62 char tcpi_snd_cwnd;
63 char tcpi_advmss;
64 char tcpi_reordering;
65 };
66#endif
67
68// (possibly) max. number of objects "per page" in the ground container
69#define FLOORBOX_PAGESIZE 50
40 70
41struct MapCell 71struct MapCell
42{ 72{
43 UUID player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient 73 tag_t player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient
44 int count; /* This is really darkness in the map1 command */ 74 int count; /* This is really darkness in the map1 command */
45 uint16 faces[MAP_LAYERS]; 75 faceidx faces[MAP_LAYERS];
46 uint16 smooth[MAP_LAYERS];
47 unsigned char stat_hp; // health of something in this space, or 0 76 unsigned char stat_hp; // health of something in this space, or 0
48 unsigned char flags; 77 unsigned char flags;
78 uint8_t smooth[MAP_LAYERS];
49}; 79};
50 80
51/* This basically defines the largest size an
52 * archetype may be - it is used for allocation of
53 * some structures, as well as determining how far
54 * we should look for the heads of big images.
55 */
56#define MAX_HEAD_OFFSET 8
57
58#define MAX_CLIENT_X (MAP_CLIENT_X + MAX_HEAD_OFFSET) 81#define MAX_CLIENT_X MAP_CLIENT_X
59#define MAX_CLIENT_Y (MAP_CLIENT_Y + MAX_HEAD_OFFSET) 82#define MAX_CLIENT_Y MAP_CLIENT_Y
60 83
61struct Map 84struct Map
62{ 85{
63 struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y]; 86 struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y];
64}; 87};
65 88
66/* True max is 16383 given current map compaction method */ 89/* True max is 16383 given current map compaction method */
67# define MAXANIMNUM 2000 90#define MAXANIMNUM 10000
68 91
69struct statsinfo 92struct statsinfo
70{ 93{
71 char *range, *title; 94 char *range, *title;
72}; 95};
… …
75 * current state. we set up our on buffers for sending/receiving, so we can 98 * current state. we set up our on buffers for sending/receiving, so we can
76 * handle some higher level functions. fd is the actual file descriptor we 99 * handle some higher level functions. fd is the actual file descriptor we
77 * are using. 100 * are using.
78 */ 101 */
79 102
80enum Sock_Status { Ns_Add, Ns_Dead };
81
82/* Only one map mode can actually be used, so lets make it a switch 103/* Only one map mode can actually be used, so lets make it a switch
83 * instead of having a bunch of different fields that needed to 104 * instead of having a bunch of different fields that needed to
84 * get toggled. 105 * get toggled.
85 */ 106 */
86enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; 107enum { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 };
87 108
88/* The following is the setup for a ring buffer for storing outbut 109// states the socket can be in
89 * data that the OS can't handle right away. 110enum {
90 */ 111 ST_DEAD, // socket is dead
112 ST_SETUP, // initial handshake / setup / login
113 ST_PLAYING, // logged in an playing
114 ST_CUSTOM, // waiting for custom reply
91 115
92struct Buffer 116 ST_GET_PARTY_PASSWORD,
117};
118
119// a handler for a specific type of packet
120enum {
121 PF_PLAYER = 0x01, // must have valid player / will by synchronised
122 PF_PLAYING = 0x02, // must be in playing state
123 PF_COMMAND0 = 0x04, // command starts at offset 0
124 PF_COMMAND6 = 0x08, // command starts at offset 6
125};
126
127// face type.s bit 0 means "has meta info prepended"
128enum {
129 FT_FACE = 0 * 2 + 0, // faces (images)
130 FT_MUSIC = 1 * 2 + 1, // background music
131 FT_SOUND = 2 * 2 + 1, // effects
132 FT_RSRC = 3 * 2 + 0, // generic data files
133 FT_NUM,
134};
135
136struct packet_type
93{ 137{
94 char data[SOCKETBUFSIZE]; 138 const char *name;
95 int start; 139 void *cb;
140 int flags;
141};
142
143struct command
144{
145 tstamp stamp;
146 const packet_type *handler;
147 char *data;
96 int len; 148 int datalen;
149
150 ~command ()
151 {
152 sfree<char> (data, datalen + 1);
153 }
97}; 154};
98 155
99/* how many times we are allowed to give the wrong password before being kicked. */ 156/* how many times we are allowed to give the wrong password before being kicked. */
100#define MAX_PASSWORD_FAILURES 5 157#define MAX_PASSWORD_FAILURES 5
101 158
102ACC_CLASS (client) // should become player when newsocket is a baseclass of player 159INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player
103struct client : zero_initialised, attachable_base 160struct client : zero_initialised, attachable
104{ 161{
105 enum Sock_Status status;
106 int ACC (RW, fd); 162 int ACC (RW, fd);
107 unsigned int inbuf_len; // number of bytes valid in inbuf 163 unsigned int inbuf_len; // number of bytes valid in inbuf
108 struct Map lastmap;
109 size_t faces_sent_len; /* This is the number of elements allocated in faces_sent[] */
110 uint8 *faces_sent; /* This is a bitmap on sent face status */
111 uint8 anims_sent[MAXANIMNUM];
112 struct statsinfo stats; 164 statsinfo stats;
165 object_vector_index ACC (RO, active);
166 player_ptr ACC (RO, pl);
167
168 /* The following is the setup for a ring buffer for storing output
169 * data that the OS can't handle right away.
170 */
171 struct
172 {
173 char data[SOCKETBUFSIZE];
174 int start;
175 int len;
176 } outputbuffer;
113 177
114 char *ACC (RW, host); /* Which host it is connected from (ip address) */ 178 char *ACC (RW, host); /* Which host it is connected from (ip address) */
115 uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */ 179 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */
116 Buffer outputbuffer; /* For undeliverable data */
117 180
181 sint8 ACC (RW, last_level); /* Last level we sent to client */
182 uint16 ACC (RW, last_flags); /* fire/run on flags for last tick */
183 float ACC (RW, last_weapon_sp); /* if diff than weapon_sp, update client */
184 sint32 ACC (RW, last_weight); /* Last weight as sent to client; -1 means do not send weight */
185 sint32 ACC (RW, last_weight_limit); /* Last weight limit transmitted to client */
186 uint32 ACC (RW, last_path_attuned); /* Last spell attunment sent to client */
187 uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */
188 uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */
189 living ACC (RO, last_stats); /* Last stats as sent to client */
190 float ACC (RW, last_speed); /* Last speed as sent to client */
191 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */
192 sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */
193
194 bool ACC (RW, force_face0); // client workaround for buggy checksum calculation in gcfclient
195 bool ACC (RW, force_bad_checksum); // client workaround for buggy checksum calculation in gcfclient
196 bool ACC (RW, force_image_newmap); // client workaround for client not redrawing map on image upload
197 bool ACC (RW, enable_bg_scrub); // client workaround, gcfclient becomes unusable if you send it images
198
199 bool ACC (RW, afk); /* player is afk */
118 bool ACC (RW, facecache); /* If true, client is caching images */ 200 bool ACC (RW, facecache); /* If true, client is caching images */
119 bool ACC (RW, sent_scroll); 201 bool ACC (RW, sent_scroll);
120 bool ACC (RW, sound); /* does the client want sound */ 202 bool ACC (RW, sound); /* does the client want sound */
121 bool ACC (RW, exp64); /* Client wants 64 bit exp data, as well as skill data */
122 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ 203 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */
123 bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */ 204 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */
124 bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */ 205 bool ACC (RW, mapinfocmd); // return map info and send map change info
125 bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */ 206 uint8_t ACC (RW, extcmd); // call into extensions/plugins
126 bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */ 207 bool ACC (RW, extmap); // extend map comamnd with extra data
127 bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */ 208 bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls
128 bool ACC (RW, darkness); /* True if client wants darkness information */ 209 bool ACC (RW, darkness); /* True if client wants darkness information */
129 bool ACC (RW, image2); /* Client wants image2/face2 commands */ 210 bool ACC (RW, image2); /* Client wants image2/face2 commands */
211 uint8_t ACC (RW, fxix); // client implements fx and ix (face|image extended) commands
130 bool ACC (RW, update_look); /* If true, we need to send the look window */ 212 bool ACC (RW, update_look); /* If true, we need to send the look window */
131 bool ACC (RW, has_readable_type); /* If true client accept additional text information */ 213 bool ACC (RW, has_readable_type); /* If true client accept additional text information */
132 /* used to arrange text in books, scrolls, or scripted dialogs */ 214 /* used to arrange text in books, scrolls, or scripted dialogs */
133 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ 215 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */
134 bool ACC (RW, ext_mapinfos); /* If true client accept additionnal info on maps */ 216 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */
135 /* Below are flags for extedend infos to pass to client 217 /* Below are flags for extedend infos to pass to client
136 * with S->C mapextended command */ 218 * with S->C mapextended command */
137 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */ 219 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
220 bool ACC (RW, smoothing); // trt-style smoothing
221 bool ACC (RW, can_msg); // trt-style text messages
138 222
223 bool ACC (RW, force_newmap); // force a newmap before next map update
139 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ 224 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */
140 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ 225 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */
141 enum MapMode mapmode; /* Type of map commands the client wants. */
142 uint16 ACC (RW, look_position); /* start of drawing of look window */ 226 uint16 ACC (RW, look_position); /* start of drawing of look window */
227 uint16 ACC (RW, mss); // likely tcp maximum segment size
228 uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */
143 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ 229 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */
144 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ 230 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */
145 uint8 ACC (RW, faceset); /* Set the client is using, default 0 */
146 231
147 maptile *ACC (RW, current_map); // CF+ last/current player map 232 maptile *ACC (RW, current_map); // CF+ last/current player map
233 region *ACC (RW, current_region); // CF+ last/current player region
148 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position 234 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position
149 char ACC (RW, version)[64]; // CF+ client name/version 235 shstr ACC (RW, version); // CF+ client name/version
236 uint8 ACC (RW, faceset); // CF+ selected faceset
150 237
151 /* If we get an incomplete packet, this is used to hold the data. */ 238 tstamp ACC (RW, last_send); // last data send on socket.
152 uint8 inbuf[MAXSOCKBUF];
153 player *ACC (RO, pl);//TODO should not be here, preferably
154 239
155 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ 240 int ACC (RW, rate_avail); // current rate balance
241 int ACC (RW, max_rate); // max. # of bytes to send per tick
242 faceidx ACC (RW, scrub_idx); // which face to send next
243 int ACC (RW, bg_scrub); // how many ticks till the next background face send
244
245 struct tcp_info tcpi;
246 tstamp next_rate_adjust;
247#if FOR_PERL
248 // unfortunately, this emans that we *require* tcp_info now...
249 ACC (RW, tcpi.tcpi_state);
250 ACC (RW, tcpi.tcpi_ca_state);
251 ACC (RW, tcpi.tcpi_retransmits);
252 ACC (RW, tcpi.tcpi_probes);
253 ACC (RW, tcpi.tcpi_backoff);
254 ACC (RW, tcpi.tcpi_options);
255 ACC (RO, tcpi.tcpi_snd_wscale);
256 ACC (RO, tcpi.tcpi_rcv_wscale);
257 ACC (RW, tcpi.tcpi_rto);
258 ACC (RW, tcpi.tcpi_ato);
259 ACC (RW, tcpi.tcpi_snd_mss);
260 ACC (RW, tcpi.tcpi_rcv_mss);
261 ACC (RW, tcpi.tcpi_unacked);
262 ACC (RW, tcpi.tcpi_sacked);
263 ACC (RW, tcpi.tcpi_lost);
264 ACC (RW, tcpi.tcpi_retrans);
265 ACC (RW, tcpi.tcpi_fackets);
266 ACC (RW, tcpi.tcpi_last_data_sent);
267 ACC (RW, tcpi.tcpi_last_ack_sent);
268 ACC (RW, tcpi.tcpi_last_data_recv);
269 ACC (RW, tcpi.tcpi_last_ack_recv);
270 ACC (RW, tcpi.tcpi_pmtu);
271 ACC (RW, tcpi.tcpi_rcv_ssthresh);
272 ACC (RW, tcpi.tcpi_rtt);
273 ACC (RW, tcpi.tcpi_rttvar);
274 ACC (RW, tcpi.tcpi_snd_ssthresh);
275 ACC (RW, tcpi.tcpi_snd_cwnd);
276 ACC (RW, tcpi.tcpi_advmss);
277 ACC (RW, tcpi.tcpi_reordering);
278#endif
279
280 struct ixsend {
281 int16_t pri; // unused
282 faceidx idx;
283 uint32_t ofs; // if != 0, need to send remaining bytes of partial_face
284 };
285 std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix
286
287 std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx
288 MTH void flush_fx (); // send fx if required
289
290 void do_destroy ();
291 void gather_callbacks (AV *&callbacks, event_type event) const;
156 292
157 iow socket_ev; void socket_cb (iow &w, int got); 293 iow socket_ev; void socket_cb (iow &w, int got);
294 iw cmd_ev; void cmd_cb (iw &w);
158 295
296 std::deque< command, slice_allocator<command> > cmd_queue;
297
298 // large structures at the end please
299 struct Map lastmap;
300 std::bitset<MAXANIMNUM> anims_sent;
301 std::bitset<MAX_FACES> faces_sent;
302 std::bitset<FT_NUM> fx_want;
303
304 // if we get an incomplete packet, this is used to hold the data.
305 // we add 2 byte for the header, one for the trailing 0 byte
306 uint8 inbuf[MAXSOCKBUF + 2 + 1];
307
308 enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 };
309 struct msg_buf
310 {
311 tick_t expire;
312 int len;
313 int count;
314 char msg[MSG_BUF_SIZE];
315 } msgbuf[MSG_BUF_COUNT];
316
317 MTH bool msg_suppressed (const char *msg);
318
319 bool may_execute (const packet_type *pkt) const;
320 void execute (const packet_type *pkt, char *data, int datalen);
321
322 void queue_command (packet_type *handler, char *data, int datalen);
323 MTH bool handle_command ();
324 // resets movement state
325 MTH void reset_state ();
326 // resets variable data used to send stat diffs
327 MTH void reset_stats ();
328
329 MTH bool handle_packet ();
330 int next_packet (); // returns length of packet or 0
331 void skip_packet (int len); // we have processed the packet, skip it
332
333 MTH void flush ();
334 MTH void write_outputbuffer ();
335 MTH int outputbuffer_len () const { return outputbuffer.len; }
336 void send (void *buf_, int len);
337
338 void send_packet (const char *buf);
339 void send_packet (const char *buf, int len);
340 void send_packet_printf (const char *format, ...);
341 void send_packet (packet &sl);
342
343 void send_drawinfo (const char *msg, int flags = NDI_BLACK);
344
345 MTH void send_face (faceidx facenum, int pri = 0);
346 MTH void send_image (faceidx facenum);
347 MTH void send_faces (object *ob);
348 MTH void send_animation (short anim_num);
349 void send_msg (int color, const char *type, const char *msg);
350
351 MTH void play_sound (faceidx sound, int dx = 0, int dy = 0);
352 // called when something under the player changes
353 MTH void floorbox_update () { update_look = 1; }
354 // called when the player has been moved
355 MTH void floorbox_reset () { look_position = 0; floorbox_update (); }
356
357 MTH void tick (); // called every server tick to do housekeeping etc.
358
359 MTH static client *create (int fd, const char *peername);
360
361protected:
159 client (int fd, const char *from_ip); 362 client (int fd, const char *from_ip);
160 ~client (); 363 ~client ();
161
162 int read_packet (); // returns length of packet or 0
163 void skip_packet (int len); // we have processed the packet, skip it
164
165 void flush ();
166 void write_outputbuffer ();
167 void send (void *buf_, int len);
168
169 void send_packet (const char *buf);
170 void send_packet (const char *buf, int len);
171 void send_packet (packet &sl);
172}; 364};
173 365
174#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ 366#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\
175 ( ((__type)>0) &&\ 367 ( ((__type)>0) &&\
176 ((__sockPtr)->has_readable_type) && \ 368 ((__sockPtr)->has_readable_type) && \
177 ((__sockPtr)->supported_readables & (1<<(__type))) ) 369 ((__sockPtr)->supported_readables & (1<<(__type))) )
178
179/* Bitmask for the faces_sent[] array - what
180 * portion of the face have we sent?
181 */
182#define NS_FACESENT_FACE 0x1
183#define NS_FACESENT_SMOOTH 0x2
184 370
185/* Constants in the form EMI_ is for extended map infos. 371/* Constants in the form EMI_ is for extended map infos.
186 * Even if the client select the additionnal infos it wants 372 * Even if the client select the additionnal infos it wants
187 * on the map, there may exist cases where this whole info 373 * on the map, there may exist cases where this whole info
188 * is not given in one buch but in separate bunches. This 374 * is not given in one buch but in separate bunches. This
… …
210 396
211#define FACE_TYPES 1 397#define FACE_TYPES 1
212#define PNG_FACE_INDEX 0 398#define PNG_FACE_INDEX 0
213 399
214#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */ 400#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
215#define VERSION_SC 1027 401#define VERSION_SC 1026
402//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible
216#define VERSION_INFO "Crossfire+ Server" 403#define VERSION_INFO "Crossfire TRT Server"
217 404
218typedef unordered_vector<client *> sockvec; 405typedef object_vector<client, &client::active> sockvec;
219 406
220extern sockvec clients; 407extern sockvec clients;
221extern int nrofpixmaps; //TODO: hrmpf, should go 408
409#define for_all_clients(var) \
410 for (int _i = 0; _i < clients.size (); ++_i) \
411 statementvar (client *, var, clients [_i])
222 412
223#endif 413#endif
224 414

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