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Comparing deliantra/server/include/client.h (file contents):
Revision 1.38 by root, Wed Mar 14 15:44:47 2007 UTC vs.
Revision 1.91 by root, Mon Nov 9 18:47:56 2009 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game for the X Window System 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (C) 2002 Mark Wedel & Crossfire Development Team
6 * Copyright (C) 1992 Frank Tore Johansen
7 * 5 *
8 * This program is free software; you can redistribute it and/or modify 6 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 7 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation; either version 2 of the License, or 8 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 9 * option) any later version.
12 * 10 *
13 * This program is distributed in the hope that it will be useful, 11 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 14 * GNU General Public License for more details.
17 * 15 *
18 * You should have received a copy of the GNU General Public License 16 * You should have received a copy of the Affero GNU General Public License
19 * along with this program; if not, write to the Free Software 17 * and the GNU General Public License along with this program. If not, see
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18 * <http://www.gnu.org/licenses/>.
21 * 19 *
22 * The author can be reached via e-mail to crossfire@schmorp.de 20 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 21 */
24 22
25#ifndef CLIENT_H 23#ifndef CLIENT_H
26#define CLIENT_H 24#define CLIENT_H
27 25
28#include <deque> 26#include <deque>
29#include <bitset> 27#include <bitset>
30#include <tr1/unordered_set> 28#include <tr1/unordered_set>
31 29
30#if HAVE_TCP_INFO
31# include <netinet/tcp.h>
32#else
33 struct tcp_info {
34 // dummy
35 int tcpi_state;
36 int tcpi_ca_state;
37 int tcpi_retransmits;
38 int tcpi_probes;
39 int tcpi_backoff;
40 int tcpi_options;
41 int tcpi_snd_wscale;
42 int tcpi_rcv_wscale;
43 int tcpi_rto;
44 int tcpi_ato;
45 int tcpi_snd_mss;
46 int tcpi_rcv_mss;
47 int tcpi_unacked;
48 int tcpi_sacked;
49 int tcpi_lost;
50 int tcpi_retrans;
51 int tcpi_fackets;
52 int tcpi_last_data_sent;
53 int tcpi_last_ack_sent;
54 int tcpi_last_data_recv;
55 int tcpi_last_ack_recv;
56 int tcpi_pmtu;
57 int tcpi_rcv_ssthresh;
58 int tcpi_rtt;
59 int tcpi_rttvar;
60 int tcpi_snd_ssthresh;
61 int tcpi_snd_cwnd;
62 int tcpi_advmss;
63 int tcpi_reordering;
64 };
65#endif
66
67//+GPL
68
32// (possibly) max. number of objects "per page" in the ground container 69// (possibly) max. number of objects "per page" in the ground container
33#define FLOORBOX_PAGESIZE 50 70#define FLOORBOX_PAGESIZE 50
34 71
35struct MapCell 72struct MapCell
36{ 73{
37 UUID player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient 74 tag_t player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient
38 int count; /* This is really darkness in the map1 command */ 75 int count; /* This is really darkness in the map1 command */
39 faceidx faces[MAP_LAYERS]; 76 faceidx faces[MAP_LAYERS];
40 unsigned char stat_hp; // health of something in this space, or 0 77 unsigned char stat_hp; // health of something in this space, or 0
41 unsigned char flags; 78 unsigned char flags;
42 uint8_t smooth[MAP_LAYERS]; 79 uint8_t smooth[MAP_LAYERS];
… …
66 103
67/* Only one map mode can actually be used, so lets make it a switch 104/* Only one map mode can actually be used, so lets make it a switch
68 * instead of having a bunch of different fields that needed to 105 * instead of having a bunch of different fields that needed to
69 * get toggled. 106 * get toggled.
70 */ 107 */
71enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; 108enum { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 };
72
73/* The following is the setup for a ring buffer for storing output
74 * data that the OS can't handle right away.
75 */
76struct Buffer
77{
78 char data[SOCKETBUFSIZE];
79 int start;
80 int len;
81};
82 109
83// states the socket can be in 110// states the socket can be in
84enum { 111enum {
85 ST_DEAD, // socket is dead 112 ST_DEAD, // socket is dead
86 ST_SETUP, // initial handshake / setup / login 113 ST_SETUP, // initial handshake / setup / login
87 ST_PLAYING, // logged in an playing 114 ST_PLAYING, // logged in an playing
88 ST_CUSTOM, // waiting for custom reply 115 ST_CUSTOM, // waiting for custom reply
89 116
90 ST_CHANGE_CLASS,
91 ST_GET_PARTY_PASSWORD, 117 ST_GET_PARTY_PASSWORD,
92}; 118};
93 119
94// a handler for a specific type of packet 120// a handler for a specific type of packet
95enum { 121enum {
… …
97 PF_PLAYING = 0x02, // must be in playing state 123 PF_PLAYING = 0x02, // must be in playing state
98 PF_COMMAND0 = 0x04, // command starts at offset 0 124 PF_COMMAND0 = 0x04, // command starts at offset 0
99 PF_COMMAND6 = 0x08, // command starts at offset 6 125 PF_COMMAND6 = 0x08, // command starts at offset 6
100}; 126};
101 127
128// face type.s bit 0 means "has meta info prepended"
129enum {
130 FT_FACE = 0 * 2 + 0, // faces (images)
131 FT_MUSIC = 1 * 2 + 1, // background music
132 FT_SOUND = 2 * 2 + 1, // effects
133 FT_RSRC = 3 * 2 + 0, // generic data files
134 FT_NUM,
135};
136
102struct packet_type 137struct packet_type
103{ 138{
104 const char *name; 139 const char *name;
105 void *cb; 140 void *cb;
106 int flags; 141 int flags;
… …
110{ 145{
111 tstamp stamp; 146 tstamp stamp;
112 const packet_type *handler; 147 const packet_type *handler;
113 char *data; 148 char *data;
114 int datalen; 149 int datalen;
115
116 ~command ()
117 {
118 sfree<char> (data, datalen + 1);
119 }
120}; 150};
121 151
122struct refitem 152//-GPL
123{
124 object_ptr op;
125};
126
127// this represents a container on the client side.
128// right now, there are only ever two of them:
129// the inventory and the floor/open container
130//TODO: unused as of yet
131struct client_container : vector< refitem, slice_allocator<refitem> >
132{
133 client *ns;
134 enum { CC_NONE, CC_INVENTORY, CC_MAPSPACE, CC_CONTAINER } type;
135
136 bool item_changed; // one of the items in here possibly changed
137
138 // for mapspace and container
139 int x, y;
140 maptile *map;
141
142 // for container
143 object *env;
144
145 client_container (client *ns)
146 : ns (ns), type (CC_NONE) { }
147
148 tag_t tag () const;
149
150 inline iterator merge_item (iterator i, object *op);
151
152 void clear ();
153 void update ();
154
155 void set_mapspace (maptile *map, int x, int y);
156 void set_container (object *env);
157};
158 153
159/* how many times we are allowed to give the wrong password before being kicked. */ 154/* how many times we are allowed to give the wrong password before being kicked. */
160#define MAX_PASSWORD_FAILURES 5 155#define MAX_PASSWORD_FAILURES 5
161 156
162INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player 157INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player
163struct client : zero_initialised, attachable 158struct client : zero_initialised, attachable
164{ 159{
165 int ACC (RW, fd); 160 int ACC (RW, fd);
166 unsigned int inbuf_len; // number of bytes valid in inbuf 161 unsigned int inbuf_len; // number of bytes valid in inbuf
167 statsinfo stats; 162 statsinfo stats;
168 int ACC (RO, active); 163 object_vector_index ACC (RO, active);
169 164 player_ptr ACC (RO, pl);
170 Buffer outputbuffer;
171 165
172 char *ACC (RW, host); /* Which host it is connected from (ip address) */ 166 char *ACC (RW, host); /* Which host it is connected from (ip address) */
173 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ 167 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */
174 168
175 sint8 ACC (RW, last_level); /* Last level we sent to client */ 169 sint8 ACC (RW, last_level); /* Last level we sent to client */
… …
184 float ACC (RW, last_speed); /* Last speed as sent to client */ 178 float ACC (RW, last_speed); /* Last speed as sent to client */
185 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */ 179 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */
186 sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */ 180 sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */
187 181
188 bool ACC (RW, afk); /* player is afk */ 182 bool ACC (RW, afk); /* player is afk */
189 bool ACC (RW, facecache); /* If true, client is caching images */
190 bool ACC (RW, sent_scroll); 183 bool ACC (RW, sent_scroll);
191 bool ACC (RW, sound); /* does the client want sound */ 184 bool ACC (RW, sound); /* does the client want sound */
192 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ 185 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */
193 bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */ 186 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */
194 bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */ 187 bool ACC (RW, mapinfocmd); // return map info and send map change info
195 bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */ 188 uint8_t ACC (RW, extcmd); // call into extensions/plugins
196 bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */
197 bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */
198 bool ACC (RW, force_face0); /* CF+ client workaround for buggy checksum calculation in gcfclient */
199 bool ACC (RW, force_bad_checksum); /* CF+ client workaround for buggy checksum calculation in gcfclient */
200 bool ACC (RW, darkness); /* True if client wants darkness information */
201 bool ACC (RW, image2); /* Client wants image2/face2 commands */
202 bool ACC (RW, update_look); /* If true, we need to send the look window */ 189 bool ACC (RW, update_look); /* If true, we need to send the look window */
190 bool ACC (RW, update_spells); // If true, we need to esrv_update_spells
203 bool ACC (RW, has_readable_type); /* If true client accept additional text information */ 191 bool ACC (RW, has_readable_type); /* If true client accept additional text information */
204 /* used to arrange text in books, scrolls, or scripted dialogs */ 192 /* used to arrange text in books, scrolls, or scripted dialogs */
205 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ 193 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */
206 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */ 194 bool ACC (RW, smoothing); // deliantra-style smoothing
207 /* Below are flags for extedend infos to pass to client
208 * with S->C mapextended command */
209 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
210 195
196 bool ACC (RW, force_newmap); // force a newmap before next map update
211 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ 197 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */
212 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ 198 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */
213 enum MapMode mapmode; /* Type of map commands the client wants. */
214 uint16 ACC (RW, look_position); /* start of drawing of look window */ 199 uint16 ACC (RW, look_position); /* start of drawing of look window */
200 uint16 ACC (RW, mss); // likely tcp maximum segment size
201 uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */
215 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ 202 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */
216 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ 203 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */
217 204
218 maptile *ACC (RW, current_map); // CF+ last/current player map 205 maptile_ptr ACC (RW, current_map); // CF+ last/current player map
219 region *ACC (RW, current_region); // CF+ last/current player region 206 region_ptr ACC (RW, current_region); // CF+ last/current player region
220 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position 207 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position
221 char ACC (RW, version)[64]; // CF+ client name/version 208 shstr ACC (RW, version); // CF+ client name/version
222 uint8 ACC (RW, faceset); // CF+ selected faceset 209 uint8 ACC (RW, faceset); // CF+ selected faceset
223 210
224 player_ptr ACC (RO, pl); 211 tstamp ACC (RW, last_send); // last data send on socket.
225 212
226 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ 213 float ACC (RW, socket_timeout); /* after how many seconds of no ack do we declare dead */
227 214 int ACC (RW, rate_avail); // current rate balance
228 int ACC (RW, max_rate); // max. # of bytes to send per tick 215 int ACC (RW, max_rate); // max. # of bytes to send per tick
229 std::vector<faceidx> askface; // which faces have been requested by the client 216 faceidx ACC (RW, scrub_idx); // which face to send next
217 int ACC (RW, bg_scrub); // how many ticks till the next background face send
218
219 struct tcp_info tcpi;
220 tstamp next_rate_adjust;
221
222 unordered_vector<char *> mapinfo_queue;
223 void mapinfo_queue_clear ();
224 void mapinfo_queue_run ();
225 bool mapinfo_try (char *buf);
226
227 struct ixsend {
228 int16_t pri; // unused
229 faceidx idx;
230 uint32_t ofs; // if != 0, need to send remaining bytes of partial_face
231 };
232 std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix
233
234 std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx
235 MTH void flush_fx (); // send fx if required
230 236
231 void do_destroy (); 237 void do_destroy ();
232 void gather_callbacks (AV *&callbacks, event_type event) const; 238 void gather_callbacks (AV *&callbacks, event_type event) const;
233 239
234 iow socket_ev; void socket_cb (iow &w, int got); 240 iow socket_ev; void socket_cb (iow &w, int revents);
235 iw cmd_ev; void cmd_cb (iw &w);
236 client_container cc_inv, cc_other;
237 241
238 std::deque< command, slice_allocator<command> > cmd_queue; 242 std::deque< command, slice_allocator<command> > cmd_queue;
239 243
240 // large structures at the end please 244 // large structures at the end please
241 struct Map lastmap; 245 struct Map lastmap;
242 std::bitset<MAXANIMNUM> anims_sent; 246 std::bitset<MAXANIMNUM> anims_sent;
243 std::bitset<MAX_FACES> faces_sent; 247 std::bitset<MAX_FACES> faces_sent;
248 std::bitset<FT_NUM> fx_want;
244 249
245 // if we get an incomplete packet, this is used to hold the data. 250 // if we get an incomplete packet, this is used to hold the data.
246 // we add 2 byte for the header, one for the trailing 0 byte 251 // we add 2 byte for the header, one for the trailing 0 byte
247 uint8 inbuf[MAXSOCKBUF + 2 + 1]; 252 uint8 inbuf[MAXSOCKBUF + 2 + 1];
253
254 enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 };
255 struct msg_buf
256 {
257 tick_t expire;
258 int len;
259 int count;
260 char msg[MSG_BUF_SIZE];
261 } msgbuf[MSG_BUF_COUNT];
262
263 MTH bool msg_suppressed (const char *msg);
264
265 /* The following is the setup for a ring buffer for storing output
266 * data that the OS can't handle right away.
267 * TODO: this member is enourmously large - optimise?
268 */
269 struct
270 {
271 char data[SOCKETBUFSIZE];
272 int start;
273 int len;
274 } outputbuffer;
248 275
249 bool may_execute (const packet_type *pkt) const; 276 bool may_execute (const packet_type *pkt) const;
250 void execute (const packet_type *pkt, char *data, int datalen); 277 void execute (const packet_type *pkt, char *data, int datalen);
251 278
252 void queue_command (packet_type *handler, char *data, int datalen); 279 void queue_command (packet_type *handler, char *data, int datalen);
… …
265 MTH int outputbuffer_len () const { return outputbuffer.len; } 292 MTH int outputbuffer_len () const { return outputbuffer.len; }
266 void send (void *buf_, int len); 293 void send (void *buf_, int len);
267 294
268 void send_packet (const char *buf); 295 void send_packet (const char *buf);
269 void send_packet (const char *buf, int len); 296 void send_packet (const char *buf, int len);
270 void send_packet_printf (const char *format, ...); 297 void send_packet_printf (const char *format, ...) attribute ((format (printf, 2, 3)));
271 void send_packet (packet &sl); 298 void send_packet (packet &sl);
272 299
273 void send_drawinfo (const char *msg, int flags = NDI_BLACK); 300 void send_drawinfo (const char *msg, int flags = NDI_BLACK);
301
274 MTH void send_face (faceidx facenum); 302 MTH void send_face (faceidx facenum, int pri = 0);
275 MTH void send_image (faceidx facenum);
276 MTH void send_faces (object *ob); 303 MTH void send_faces (object *ob);
277 MTH void send_animation (short anim_num); 304 MTH void send_animation (short anim_num);
305 void send_msg (int color, const char *type, const char *msg);
278 306
307 MTH void play_sound (faceidx sound, int dx = 0, int dy = 0);
279 // called when something under the player changes 308 // called when something under the player changes
280 MTH void floorbox_update () { update_look = 1; } 309 MTH void floorbox_update () { update_look = 1; }
281 // called when the player has been moved 310 // called when the player has been moved
282 MTH void floorbox_reset () { look_position = 0; floorbox_update (); } 311 MTH void floorbox_reset () { look_position = 0; floorbox_update (); }
283 312
313 MTH void tick (); // called every server tick to do housekeeping etc.
314
284 MTH static client *create (int fd, const char *peername); 315 MTH static client *create (int fd, const char *peername);
316 MTH static void clock ();
317 MTH static void flush_sockets ();
285 318
286protected: 319protected:
287 client (int fd, const char *from_ip); 320 client (int fd, const char *from_ip);
288 ~client (); 321 ~client ();
289}; 322};
323
324#if FOR_PERL
325 ACC (RW, tcpi.tcpi_state);
326 ACC (RW, tcpi.tcpi_ca_state);
327 ACC (RW, tcpi.tcpi_retransmits);
328 ACC (RW, tcpi.tcpi_probes);
329 ACC (RW, tcpi.tcpi_backoff);
330 ACC (RW, tcpi.tcpi_options);
331 ACC (RO, tcpi.tcpi_snd_wscale);
332 ACC (RO, tcpi.tcpi_rcv_wscale);
333 ACC (RW, tcpi.tcpi_rto);
334 ACC (RW, tcpi.tcpi_ato);
335 ACC (RW, tcpi.tcpi_snd_mss);
336 ACC (RW, tcpi.tcpi_rcv_mss);
337 ACC (RW, tcpi.tcpi_unacked);
338 ACC (RW, tcpi.tcpi_sacked);
339 ACC (RW, tcpi.tcpi_lost);
340 ACC (RW, tcpi.tcpi_retrans);
341 ACC (RW, tcpi.tcpi_fackets);
342 ACC (RW, tcpi.tcpi_last_data_sent);
343 ACC (RW, tcpi.tcpi_last_ack_sent);
344 ACC (RW, tcpi.tcpi_last_data_recv);
345 ACC (RW, tcpi.tcpi_last_ack_recv);
346 ACC (RW, tcpi.tcpi_pmtu);
347 ACC (RW, tcpi.tcpi_rcv_ssthresh);
348 ACC (RW, tcpi.tcpi_rtt);
349 ACC (RW, tcpi.tcpi_rttvar);
350 ACC (RW, tcpi.tcpi_snd_ssthresh);
351 ACC (RW, tcpi.tcpi_snd_cwnd);
352 ACC (RW, tcpi.tcpi_advmss);
353 ACC (RW, tcpi.tcpi_reordering);
354#endif
355
356//+GPL
290 357
291#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ 358#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\
292 ( ((__type)>0) &&\ 359 ( ((__type)>0) &&\
293 ((__sockPtr)->has_readable_type) && \ 360 ((__sockPtr)->has_readable_type) && \
294 ((__sockPtr)->supported_readables & (1<<(__type))) ) 361 ((__sockPtr)->supported_readables & (1<<(__type))) )
295 362
296/* Constants in the form EMI_ is for extended map infos.
297 * Even if the client select the additionnal infos it wants
298 * on the map, there may exist cases where this whole info
299 * is not given in one buch but in separate bunches. This
300 * is done performance reasons (imagine some info related to
301 * a visible object and another info related to a 4 square
302 * width and height area). At the begin of an extended info packet
303 * is a bit field. A bit is activated for each extended info
304 * present in the data
305 */
306
307/* Meanings:
308 * EMI_NOREDRAW Take extended infos into account but don't redraw,
309 * some additionnal datas will follow in a new packet
310 * EMI_SMOOTH Datas about smoothing
311 */
312#define EMI_NOREDRAW 0x01
313#define EMI_SMOOTH 0x02
314
315/* this last one says the bitfield continue un next byte
316 * There may be several on contiguous bytes. So there is 7
317 * actual bits used per byte, and the number of bytes
318 * is not fixed in protocol
319 */
320#define EMI_HASMOREBITS 0x80
321
322#define FACE_TYPES 1 363#define FACE_TYPES 1
323#define PNG_FACE_INDEX 0 364#define PNG_FACE_INDEX 0
324 365
325#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */ 366#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
326#define VERSION_SC 1026 367#define VERSION_SC 1026
327//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible 368//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible
328#define VERSION_INFO "Crossfire+ Server" 369#define VERSION_INFO "Deliantra Server"
370
371//-GPL
329 372
330typedef object_vector<client, &client::active> sockvec; 373typedef object_vector<client, &client::active> sockvec;
331 374
332extern sockvec clients; 375extern sockvec clients;
333 376
334#define for_all_clients(var) \ 377#define for_all_clients(var) \
335 for (int _i = 0; _i < clients.size (); ++_i) \ 378 for (int _i = 0; _i < clients.size (); ++_i) \
336 declvar (client *, var, clients [_i]) 379 statementvar (client *, var, clients [_i])
380
381// returns true when the message needs special (read: perl) treatment
382static inline bool
383msg_is_special (const char *msg, bool nl_special = true)
384{
385 return msg [strcspn (msg, nl_special ? "<&\n" : "<&")];
386}
337 387
338#endif 388#endif
339 389

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