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Comparing deliantra/server/include/client.h (file contents):
Revision 1.4 by root, Sat Dec 16 03:08:26 2006 UTC vs.
Revision 1.88 by root, Tue Nov 3 23:44:21 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) 2002 Mark Wedel & Crossfire Development Team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 Copyright (C) 1992 Frank Tore Johansen 5 *
6 6 * Deliantra is free software: you can redistribute it and/or modify it under
7 This program is free software; you can redistribute it and/or modify
8 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
9 the Free Software Foundation; either version 2 of the License, or 8 * Free Software Foundation, either version 3 of the License, or (at your
10 (at your option) any later version. 9 * option) any later version.
11 10 *
12 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,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details. 14 * GNU General Public License for more details.
16 15 *
17 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
18 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
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18 * <http://www.gnu.org/licenses/>.
20 19 *
21 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>
22*/ 21 */
23 22
24#ifndef CLIENT_H 23#ifndef CLIENT_H
25#define CLIENT_H 24#define CLIENT_H
26 25
27#include <deque> 26#include <deque>
27#include <bitset>
28#include <tr1/unordered_set>
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
28 66
29// (possibly) max. number of objects "per page" in the ground container 67// (possibly) max. number of objects "per page" in the ground container
30#define NUM_LOOK_OBJECTS 50 68#define FLOORBOX_PAGESIZE 50
31 69
32struct MapCell 70struct MapCell
33{ 71{
34 UUID player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient 72 tag_t player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient
35 int count; /* This is really darkness in the map1 command */ 73 int count; /* This is really darkness in the map1 command */
36 uint16 faces[MAP_LAYERS]; 74 faceidx faces[MAP_LAYERS];
37 uint16 smooth[MAP_LAYERS];
38 unsigned char stat_hp; // health of something in this space, or 0 75 unsigned char stat_hp; // health of something in this space, or 0
39 unsigned char flags; 76 unsigned char flags;
77 uint8_t smooth[MAP_LAYERS];
40}; 78};
41 79
42/* This basically defines the largest size an
43 * archetype may be - it is used for allocation of
44 * some structures, as well as determining how far
45 * we should look for the heads of big images.
46 */
47#define MAX_HEAD_OFFSET 8
48
49#define MAX_CLIENT_X (MAP_CLIENT_X + MAX_HEAD_OFFSET) 80#define MAX_CLIENT_X MAP_CLIENT_X
50#define MAX_CLIENT_Y (MAP_CLIENT_Y + MAX_HEAD_OFFSET) 81#define MAX_CLIENT_Y MAP_CLIENT_Y
51 82
52struct Map 83struct Map
53{ 84{
54 struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y]; 85 struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y];
55}; 86};
56 87
57/* True max is 16383 given current map compaction method */ 88/* True max is 16383 given current map compaction method */
58# define MAXANIMNUM 2000 89#define MAXANIMNUM 10000
59 90
60struct statsinfo 91struct statsinfo
61{ 92{
62 char *range, *title; 93 char *range, *title;
63}; 94};
… …
66 * current state. we set up our on buffers for sending/receiving, so we can 97 * current state. we set up our on buffers for sending/receiving, so we can
67 * handle some higher level functions. fd is the actual file descriptor we 98 * handle some higher level functions. fd is the actual file descriptor we
68 * are using. 99 * are using.
69 */ 100 */
70 101
71enum Sock_Status { Ns_Add, Ns_Dead };
72
73/* Only one map mode can actually be used, so lets make it a switch 102/* Only one map mode can actually be used, so lets make it a switch
74 * instead of having a bunch of different fields that needed to 103 * instead of having a bunch of different fields that needed to
75 * get toggled. 104 * get toggled.
76 */ 105 */
77enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; 106enum { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 };
78 107
79/* The following is the setup for a ring buffer for storing outbut 108// states the socket can be in
80 * data that the OS can't handle right away. 109enum {
81 */ 110 ST_DEAD, // socket is dead
111 ST_SETUP, // initial handshake / setup / login
112 ST_PLAYING, // logged in an playing
113 ST_CUSTOM, // waiting for custom reply
82 114
83struct Buffer 115 ST_GET_PARTY_PASSWORD,
84{
85 char data[SOCKETBUFSIZE];
86 int start;
87 int len;
88}; 116};
89 117
90// a handler for a specific type of packet 118// a handler for a specific type of packet
91enum { 119enum {
92 PF_PLAYER = 0x01, // must have valid player 120 PF_PLAYER = 0x01, // must have valid player / will by synchronised
93 PF_IMMEDIATE = 0x02, // TODO: hack, can be executed immediately
94 PF_PLAYING = 0x04, // must be in playing state 121 PF_PLAYING = 0x02, // must be in playing state
122 PF_COMMAND0 = 0x04, // command starts at offset 0
123 PF_COMMAND6 = 0x08, // command starts at offset 6
124};
125
126// face type.s bit 0 means "has meta info prepended"
127enum {
128 FT_FACE = 0 * 2 + 0, // faces (images)
129 FT_MUSIC = 1 * 2 + 1, // background music
130 FT_SOUND = 2 * 2 + 1, // effects
131 FT_RSRC = 3 * 2 + 0, // generic data files
132 FT_NUM,
95}; 133};
96 134
97struct packet_type 135struct packet_type
98{ 136{
99 const char *name; 137 const char *name;
… …
105{ 143{
106 tstamp stamp; 144 tstamp stamp;
107 const packet_type *handler; 145 const packet_type *handler;
108 char *data; 146 char *data;
109 int datalen; 147 int datalen;
110
111 command (tstamp stamp, const packet_type *handler, char *data, int datalen)
112 : stamp (stamp), handler (handler), data (data), datalen (datalen)
113 {
114 }
115}; 148};
116 149
117/* how many times we are allowed to give the wrong password before being kicked. */ 150/* how many times we are allowed to give the wrong password before being kicked. */
118#define MAX_PASSWORD_FAILURES 5 151#define MAX_PASSWORD_FAILURES 5
119 152
120ACC_CLASS (client) // should become player when newsocket is a baseclass of player 153INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player
121struct client : zero_initialised, attachable_base 154struct client : zero_initialised, attachable
122{ 155{
123 enum Sock_Status status;
124 int ACC (RW, fd); 156 int ACC (RW, fd);
125 unsigned int inbuf_len; // number of bytes valid in inbuf 157 unsigned int inbuf_len; // number of bytes valid in inbuf
126 struct Map lastmap;
127 size_t faces_sent_len; /* This is the number of elements allocated in faces_sent[] */
128 uint8 *faces_sent; /* This is a bitmap on sent face status */
129 uint8 anims_sent[MAXANIMNUM];
130 struct statsinfo stats; 158 statsinfo stats;
159 object_vector_index ACC (RO, active);
160 player_ptr ACC (RO, pl);
131 161
132 char *ACC (RW, host); /* Which host it is connected from (ip address) */ 162 char *ACC (RW, host); /* Which host it is connected from (ip address) */
133 uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */ 163 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */
134 Buffer outputbuffer; /* For undeliverable data */
135 164
136 bool ACC (RW, facecache); /* If true, client is caching images */ 165 sint8 ACC (RW, last_level); /* Last level we sent to client */
166 uint16 ACC (RW, last_flags); /* fire/run on flags for last tick */
167 float ACC (RW, last_weapon_sp); /* if diff than weapon_sp, update client */
168 sint32 ACC (RW, last_weight); /* Last weight as sent to client; -1 means do not send weight */
169 sint32 ACC (RW, last_weight_limit); /* Last weight limit transmitted to client */
170 uint32 ACC (RW, last_path_attuned); /* Last spell attunment sent to client */
171 uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */
172 uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */
173 living ACC (RO, last_stats); /* Last stats as sent to client */
174 float ACC (RW, last_speed); /* Last speed as sent to client */
175 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */
176 sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */
177
178 bool ACC (RW, afk); /* player is afk */
137 bool ACC (RW, sent_scroll); 179 bool ACC (RW, sent_scroll);
138 bool ACC (RW, sound); /* does the client want sound */ 180 bool ACC (RW, sound); /* does the client want sound */
139 bool ACC (RW, exp64); /* Client wants 64 bit exp data, as well as skill data */
140 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ 181 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */
141 bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */ 182 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */
142 bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */ 183 bool ACC (RW, mapinfocmd); // return map info and send map change info
143 bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */ 184 uint8_t ACC (RW, extcmd); // call into extensions/plugins
144 bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */
145 bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */
146 bool ACC (RW, darkness); /* True if client wants darkness information */
147 bool ACC (RW, image2); /* Client wants image2/face2 commands */
148 bool ACC (RW, update_look); /* If true, we need to send the look window */ 185 bool ACC (RW, update_look); /* If true, we need to send the look window */
149 bool ACC (RW, has_readable_type); /* If true client accept additional text information */ 186 bool ACC (RW, has_readable_type); /* If true client accept additional text information */
150 /* used to arrange text in books, scrolls, or scripted dialogs */ 187 /* used to arrange text in books, scrolls, or scripted dialogs */
151 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ 188 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */
152 bool ACC (RW, ext_mapinfos); /* If true client accept additionnal info on maps */ 189 bool ACC (RW, smoothing); // deliantra-style smoothing
153 /* Below are flags for extedend infos to pass to client
154 * with S->C mapextended command */
155 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
156 190
191 bool ACC (RW, force_newmap); // force a newmap before next map update
157 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ 192 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */
158 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ 193 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */
159 enum MapMode mapmode; /* Type of map commands the client wants. */
160 uint16 ACC (RW, look_position); /* start of drawing of look window */ 194 uint16 ACC (RW, look_position); /* start of drawing of look window */
195 uint16 ACC (RW, mss); // likely tcp maximum segment size
196 uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */
161 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ 197 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */
162 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ 198 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */
163 uint8 ACC (RW, faceset); /* Set the client is using, default 0 */
164 199
165 maptile *ACC (RW, current_map); // CF+ last/current player map 200 maptile_ptr ACC (RW, current_map); // CF+ last/current player map
201 region_ptr ACC (RW, current_region); // CF+ last/current player region
166 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position 202 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position
167 char ACC (RW, version)[64]; // CF+ client name/version 203 shstr ACC (RW, version); // CF+ client name/version
204 uint8 ACC (RW, faceset); // CF+ selected faceset
205
206 tstamp ACC (RW, last_send); // last data send on socket.
207
208 float ACC (RW, socket_timeout); /* after how many seconds of no ack do we declare dead */
209 int ACC (RW, rate_avail); // current rate balance
210 int ACC (RW, max_rate); // max. # of bytes to send per tick
211 faceidx ACC (RW, scrub_idx); // which face to send next
212 int ACC (RW, bg_scrub); // how many ticks till the next background face send
213
214 struct tcp_info tcpi;
215 tstamp next_rate_adjust;
216
217 unordered_vector<char *> mapinfo_queue;
218 void mapinfo_queue_clear ();
219 void mapinfo_queue_run ();
220 bool mapinfo_try (char *buf);
221
222 struct ixsend {
223 int16_t pri; // unused
224 faceidx idx;
225 uint32_t ofs; // if != 0, need to send remaining bytes of partial_face
226 };
227 std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix
228
229 std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx
230 MTH void flush_fx (); // send fx if required
231
232 void do_destroy ();
233 void gather_callbacks (AV *&callbacks, event_type event) const;
234
235 iow socket_ev; void socket_cb (iow &w, int revents);
236
237 std::deque< command, slice_allocator<command> > cmd_queue;
238
239 // large structures at the end please
240 struct Map lastmap;
241 std::bitset<MAXANIMNUM> anims_sent;
242 std::bitset<MAX_FACES> faces_sent;
243 std::bitset<FT_NUM> fx_want;
168 244
169 // if we get an incomplete packet, this is used to hold the data. 245 // if we get an incomplete packet, this is used to hold the data.
170 // we add 2 byte for the header, one for the trailing 0 byte 246 // we add 2 byte for the header, one for the trailing 0 byte
171 uint8 inbuf[MAXSOCKBUF + 2 + 1]; 247 uint8 inbuf[MAXSOCKBUF + 2 + 1];
172 player *ACC (RO, pl);//TODO should not be here, preferably
173 248
174 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ 249 enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 };
250 struct msg_buf
251 {
252 tick_t expire;
253 int len;
254 int count;
255 char msg[MSG_BUF_SIZE];
256 } msgbuf[MSG_BUF_COUNT];
175 257
176 client (int fd, const char *from_ip); 258 MTH bool msg_suppressed (const char *msg);
177 ~client ();
178 void destroy ();
179 259
180 iw cmd_ev; void cmd_cb (iw &w); 260 /* The following is the setup for a ring buffer for storing output
181 iow socket_ev; void socket_cb (iow &w, int got); 261 * data that the OS can't handle right away.
262 * TODO: this member is enourmously large - optimise?
263 */
264 struct
265 {
266 char data[SOCKETBUFSIZE];
267 int start;
268 int len;
269 } outputbuffer;
182 270
183 std::deque< command, slice_allocator<command> > cmd_queue;
184
185 // those should probably be client methods
186 bool may_execute (const packet_type *pkt) const; 271 bool may_execute (const packet_type *pkt) const;
187 void execute (const packet_type *pkt, char *data, int datalen); 272 void execute (const packet_type *pkt, char *data, int datalen);
188 273
189 void queue_command (packet_type *handler, char *data, int datalen); 274 void queue_command (packet_type *handler, char *data, int datalen);
190 bool handle_command (); 275 MTH bool handle_command ();
276 // resets movement state
277 MTH void reset_state ();
278 // resets variable data used to send stat diffs
279 MTH void reset_stats ();
191 280
192 bool handle_packet (); 281 MTH bool handle_packet ();
193 int next_packet (); // returns length of packet or 0 282 int next_packet (); // returns length of packet or 0
194 void skip_packet (int len); // we have processed the packet, skip it 283 void skip_packet (int len); // we have processed the packet, skip it
195 284
196 void flush (); 285 MTH void flush ();
197 void write_outputbuffer (); 286 MTH void write_outputbuffer ();
287 MTH int outputbuffer_len () const { return outputbuffer.len; }
198 void send (void *buf_, int len); 288 void send (void *buf_, int len);
199 289
200 void send_packet (const char *buf); 290 void send_packet (const char *buf);
201 void send_packet (const char *buf, int len); 291 void send_packet (const char *buf, int len);
202 void send_packet_printf (const char *format, ...); 292 void send_packet_printf (const char *format, ...);
203 void send_packet (packet &sl); 293 void send_packet (packet &sl);
294
295 void send_drawinfo (const char *msg, int flags = NDI_BLACK);
296
297 MTH void send_face (faceidx facenum, int pri = 0);
298 MTH void send_faces (object *ob);
299 MTH void send_animation (short anim_num);
300 void send_msg (int color, const char *type, const char *msg);
301
302 MTH void play_sound (faceidx sound, int dx = 0, int dy = 0);
303 // called when something under the player changes
304 MTH void floorbox_update () { update_look = 1; }
305 // called when the player has been moved
306 MTH void floorbox_reset () { look_position = 0; floorbox_update (); }
307
308 MTH void tick (); // called every server tick to do housekeeping etc.
309
310 MTH static client *create (int fd, const char *peername);
311 MTH static void clock ();
312 MTH static void flush_sockets ();
313
314protected:
315 client (int fd, const char *from_ip);
316 ~client ();
204}; 317};
318
319#if FOR_PERL
320 ACC (RW, tcpi.tcpi_state);
321 ACC (RW, tcpi.tcpi_ca_state);
322 ACC (RW, tcpi.tcpi_retransmits);
323 ACC (RW, tcpi.tcpi_probes);
324 ACC (RW, tcpi.tcpi_backoff);
325 ACC (RW, tcpi.tcpi_options);
326 ACC (RO, tcpi.tcpi_snd_wscale);
327 ACC (RO, tcpi.tcpi_rcv_wscale);
328 ACC (RW, tcpi.tcpi_rto);
329 ACC (RW, tcpi.tcpi_ato);
330 ACC (RW, tcpi.tcpi_snd_mss);
331 ACC (RW, tcpi.tcpi_rcv_mss);
332 ACC (RW, tcpi.tcpi_unacked);
333 ACC (RW, tcpi.tcpi_sacked);
334 ACC (RW, tcpi.tcpi_lost);
335 ACC (RW, tcpi.tcpi_retrans);
336 ACC (RW, tcpi.tcpi_fackets);
337 ACC (RW, tcpi.tcpi_last_data_sent);
338 ACC (RW, tcpi.tcpi_last_ack_sent);
339 ACC (RW, tcpi.tcpi_last_data_recv);
340 ACC (RW, tcpi.tcpi_last_ack_recv);
341 ACC (RW, tcpi.tcpi_pmtu);
342 ACC (RW, tcpi.tcpi_rcv_ssthresh);
343 ACC (RW, tcpi.tcpi_rtt);
344 ACC (RW, tcpi.tcpi_rttvar);
345 ACC (RW, tcpi.tcpi_snd_ssthresh);
346 ACC (RW, tcpi.tcpi_snd_cwnd);
347 ACC (RW, tcpi.tcpi_advmss);
348 ACC (RW, tcpi.tcpi_reordering);
349#endif
205 350
206#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ 351#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\
207 ( ((__type)>0) &&\ 352 ( ((__type)>0) &&\
208 ((__sockPtr)->has_readable_type) && \ 353 ((__sockPtr)->has_readable_type) && \
209 ((__sockPtr)->supported_readables & (1<<(__type))) ) 354 ((__sockPtr)->supported_readables & (1<<(__type))) )
210 355
211/* Bitmask for the faces_sent[] array - what
212 * portion of the face have we sent?
213 */
214#define NS_FACESENT_FACE 0x1
215#define NS_FACESENT_SMOOTH 0x2
216
217/* Constants in the form EMI_ is for extended map infos.
218 * Even if the client select the additionnal infos it wants
219 * on the map, there may exist cases where this whole info
220 * is not given in one buch but in separate bunches. This
221 * is done performance reasons (imagine some info related to
222 * a visible object and another info related to a 4 square
223 * width and height area). At the begin of an extended info packet
224 * is a bit field. A bit is activated for each extended info
225 * present in the data
226 */
227
228/* Meanings:
229 * EMI_NOREDRAW Take extended infos into account but don't redraw,
230 * some additionnal datas will follow in a new packet
231 * EMI_SMOOTH Datas about smoothing
232 */
233#define EMI_NOREDRAW 0x01
234#define EMI_SMOOTH 0x02
235
236/* this last one says the bitfield continue un next byte
237 * There may be several on contiguous bytes. So there is 7
238 * actual bits used per byte, and the number of bytes
239 * is not fixed in protocol
240 */
241#define EMI_HASMOREBITS 0x80
242
243#define FACE_TYPES 1 356#define FACE_TYPES 1
244#define PNG_FACE_INDEX 0 357#define PNG_FACE_INDEX 0
245 358
246#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */ 359#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
247#define VERSION_SC 1027 360#define VERSION_SC 1026
361//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible
248#define VERSION_INFO "Crossfire+ Server" 362#define VERSION_INFO "Deliantra Server"
249 363
250typedef unordered_vector<client *> sockvec; 364typedef object_vector<client, &client::active> sockvec;
251 365
252extern sockvec clients; 366extern sockvec clients;
253extern int nrofpixmaps; //TODO: hrmpf, should go 367
368#define for_all_clients(var) \
369 for (int _i = 0; _i < clients.size (); ++_i) \
370 statementvar (client *, var, clients [_i])
371
372// returns true when the message needs special (read: perl) treatment
373static inline bool
374msg_is_special (const char *msg, bool nl_special = true)
375{
376 return msg [strcspn (msg, nl_special ? "<&\n" : "<&")];
377}
254 378
255#endif 379#endif
256 380

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