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Comparing deliantra/server/include/client.h (file contents):
Revision 1.53 by root, Sat Jun 9 22:54:03 2007 UTC vs.
Revision 1.116 by root, Wed Nov 16 23:42:00 2016 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 5 *
8 * Crossfire TRT is free software; you can redistribute it and/or modify it 6 * Deliantra is free software: you can redistribute it and/or modify it under
9 * under the terms of the GNU General Public License as published by the Free 7 * the terms of the Affero GNU General Public License as published by the
10 * Software Foundation; either version 2 of the License, or (at your option) 8 * Free Software Foundation, either version 3 of the License, or (at your
11 * any later version. 9 * option) any later version.
12 * 10 *
13 * This program is distributed in the hope that it will be useful, but 11 * This program is distributed in the hope that it will be useful,
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * 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 along 16 * You should have received a copy of the Affero GNU General Public License
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 17 * and the GNU General Public License along with this program. If not, see
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 * <http://www.gnu.org/licenses/>.
21 * 19 *
22 * The authors 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#if HAVE_TCP_INFO
29#include <bitset> 27# include <netinet/tcp.h>
30#include <tr1/unordered_set> 28#else
29 struct tcp_info {
30 // dummy
31 int tcpi_state;
32 int tcpi_ca_state;
33 int tcpi_retransmits;
34 int tcpi_probes;
35 int tcpi_backoff;
36 int tcpi_options;
37 int tcpi_snd_wscale;
38 int tcpi_rcv_wscale;
39 int tcpi_rto;
40 int tcpi_ato;
41 int tcpi_snd_mss;
42 int tcpi_rcv_mss;
43 int tcpi_unacked;
44 int tcpi_sacked;
45 int tcpi_lost;
46 int tcpi_retrans;
47 int tcpi_fackets;
48 int tcpi_last_data_sent;
49 int tcpi_last_ack_sent;
50 int tcpi_last_data_recv;
51 int tcpi_last_ack_recv;
52 int tcpi_pmtu;
53 int tcpi_rcv_ssthresh;
54 int tcpi_rtt;
55 int tcpi_rttvar;
56 int tcpi_snd_ssthresh;
57 int tcpi_snd_cwnd;
58 int tcpi_advmss;
59 int tcpi_reordering;
60 };
61#endif
62
63//+GPL
31 64
32// (possibly) max. number of objects "per page" in the ground container 65// (possibly) max. number of objects "per page" in the ground container
33#define FLOORBOX_PAGESIZE 50 66#define FLOORBOX_PAGESIZE 50
34 67
35struct MapCell 68struct MapCell
36{ 69{
37 tag_t player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient 70 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 */ 71 int count; /* This is really darkness in the map1 command */
39 faceidx faces[MAP_LAYERS]; 72 faceidx faces[MAP_LAYERS];
40 unsigned char stat_hp; // health of something in this space, or 0 73 unsigned char stat_hp; // health of something in this space, or 0
41 unsigned char flags; 74 unsigned char flags;
42 uint8_t smooth[MAP_LAYERS]; 75 uint8_t smooth[MAP_LAYERS];
55 88
56struct statsinfo 89struct statsinfo
57{ 90{
58 char *range, *title; 91 char *range, *title;
59}; 92};
60
61/* This contains basic information on the socket structure. status is its
62 * current state. we set up our on buffers for sending/receiving, so we can
63 * handle some higher level functions. fd is the actual file descriptor we
64 * are using.
65 */
66
67/* 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
69 * get toggled.
70 */
71enum { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 };
72 93
73// states the socket can be in 94// states the socket can be in
74enum { 95enum {
75 ST_DEAD, // socket is dead 96 ST_DEAD, // socket is dead
76 ST_SETUP, // initial handshake / setup / login 97 ST_SETUP, // initial handshake / setup / login
80 ST_GET_PARTY_PASSWORD, 101 ST_GET_PARTY_PASSWORD,
81}; 102};
82 103
83// a handler for a specific type of packet 104// a handler for a specific type of packet
84enum { 105enum {
85 PF_PLAYER = 0x01, // must have valid player / will by synchronised 106 PF_PLAYER = 0x01, // must have valid player / will by synchronised
86 PF_PLAYING = 0x02, // must be in playing state 107 PF_PLAYING = 0x02, // must be in playing state
87 PF_COMMAND0 = 0x04, // command starts at offset 0 108 PF_COMMAND = 0x04, // is a suer command
88 PF_COMMAND6 = 0x08, // command starts at offset 6 109};
110
111// face types. bit 0 means "has meta info prepended"
112enum {
113 FT_IMAGE = 0 * 2 + 0, // images
114 FT_MUSIC = 1 * 2 + 1, // background music
115 FT_SOUND = 2 * 2 + 1, // effects
116 FT_RSRC = 3 * 2 + 0, // generic data files
117 FT_NUM,
89}; 118};
90 119
91struct packet_type 120struct packet_type
92{ 121{
93 const char *name; 122 const char *name;
99{ 128{
100 tstamp stamp; 129 tstamp stamp;
101 const packet_type *handler; 130 const packet_type *handler;
102 char *data; 131 char *data;
103 int datalen; 132 int datalen;
104
105 ~command ()
106 {
107 sfree<char> (data, datalen + 1);
108 }
109}; 133};
134
135//-GPL
110 136
111/* how many times we are allowed to give the wrong password before being kicked. */ 137/* how many times we are allowed to give the wrong password before being kicked. */
112#define MAX_PASSWORD_FAILURES 5 138#define MAX_PASSWORD_FAILURES 5
113 139
140/* This contains basic information on the socket connection. status is its
141 * current state. we set up our on buffers for sending/receiving, so we can
142 * handle some higher level functions. fd is the actual file descriptor we
143 * are using.
144 */
114INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player 145INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player
115struct client : zero_initialised, attachable 146struct client : zero_initialised, attachable
116{ 147{
117 int ACC (RW, fd); 148 int ACC (RW, fd);
118 unsigned int inbuf_len; // number of bytes valid in inbuf 149 unsigned int inbuf_len; // number of bytes valid in inbuf
119 statsinfo stats; 150 statsinfo stats;
120 int ACC (RO, active); 151 object_vector_index ACC (RO, active);
121 player_ptr ACC (RO, pl); 152 player_ptr ACC (RO, pl);
122
123 /* The following is the setup for a ring buffer for storing output
124 * data that the OS can't handle right away.
125 */
126 struct
127 {
128 char data[SOCKETBUFSIZE];
129 int start;
130 int len;
131 } outputbuffer;
132 153
133 char *ACC (RW, host); /* Which host it is connected from (ip address) */ 154 char *ACC (RW, host); /* Which host it is connected from (ip address) */
134 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ 155 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */
135 156
136 sint8 ACC (RW, last_level); /* Last level we sent to client */ 157 sint8 ACC (RW, last_level); /* Last level we sent to client */
142 uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */ 163 uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */
143 uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */ 164 uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */
144 living ACC (RO, last_stats); /* Last stats as sent to client */ 165 living ACC (RO, last_stats); /* Last stats as sent to client */
145 float ACC (RW, last_speed); /* Last speed as sent to client */ 166 float ACC (RW, last_speed); /* Last speed as sent to client */
146 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */ 167 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */
147 sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */ 168 sint64 ACC (RW, last_skill_exp[CS_NUM_SKILLS]);/* shadow register. if != exp. obj update client */
148
149 bool ACC (RW, force_face0); // client workaround for buggy checksum calculation in gcfclient
150 bool ACC (RW, force_bad_checksum); // client workaround for buggy checksum calculation in gcfclient
151 bool ACC (RW, force_image_newmap); // client workaround for client not redrawing map on image upload
152 bool ACC (RW, enable_bg_scrub); // client workaround, gcfclient becomes unusable if you send it images
153 169
154 bool ACC (RW, afk); /* player is afk */ 170 bool ACC (RW, afk); /* player is afk */
155 bool ACC (RW, facecache); /* If true, client is caching images */
156 bool ACC (RW, sent_scroll); 171 bool ACC (RW, sent_scroll);
157 bool ACC (RW, sound); /* does the client want sound */ 172 bool ACC (RW, sound); /* does the client want sound */
158 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ 173 bool ACC (RW, bumpmsg); /* give message when bumping into walls */
174
159 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */ 175 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */
160 bool ACC (RW, mapinfocmd); // return map info and send map change info 176 bool ACC (RW, mapinfocmd); // return map info and send map change info
161 bool ACC (RW, extcmd); // call into extensions/plugins 177 uint8 ACC (RW, extcmd); // call into extensions/plugins
162 bool ACC (RW, extmap); // extend map comamnd with extra data 178 bool ACC (RW, need_delinv0); /* If true, we need to delinv 0 before sending new floorbox */
163 bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls 179
164 bool ACC (RW, darkness); /* True if client wants darkness information */
165 bool ACC (RW, image2); /* Client wants image2/face2 commands */
166 bool ACC (RW, fxix); // client implements fx and ix (face|image extended) commands
167 bool ACC (RW, update_look); /* If true, we need to send the look window */ 180 bool ACC (RW, update_look); /* If true, we need to send the look window */
181 bool ACC (RW, update_spells); // If true, we need to esrv_update_spells
168 bool ACC (RW, has_readable_type); /* If true client accept additional text information */ 182 bool ACC (RW, has_readable_type); /* If true client accept additional text information */
169 /* used to arrange text in books, scrolls, or scripted dialogs */
170 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ 183 uint8 ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */
171 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */ 184
172 /* Below are flags for extedend infos to pass to client
173 * with S->C mapextended command */
174 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
175 bool ACC (RW, smoothing); // trt-style smoothing 185 bool ACC (RW, smoothing); // deliantra-style smoothing
176 bool ACC (RW, can_msg); // trt-style text messages
177
178 bool ACC (RW, force_newmap); // force a newmap before next map update 186 bool ACC (RW, force_newmap); // force a newmap before next map update
179 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */
180 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */
181 uint16 ACC (RW, look_position); /* start of drawing of look window */ 187 uint16 ACC (RW, look_position); /* start of drawing of look window */
182 uint16 ACC (RW, mss); // likely tcp maximum segment size 188 uint16 ACC (RW, mss); // likely tcp maximum segment size
183 uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */
184 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ 189 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */
185 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ 190 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */
191 uint8 ACC (RW, tileset); // selected tileset
192 uint8 ACC (RW, ws_version); // websocket protocol versio for framing
186 193
187 maptile *ACC (RW, current_map); // CF+ last/current player map 194 maptile_ptr ACC (RW, current_map); // last/current player map
188 region *ACC (RW, current_region); // CF+ last/current player region 195 region_ptr ACC (RW, current_region); // last/current player region
189 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position 196 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position
190 shstr ACC (RW, version); // CF+ client name/version
191 uint8 ACC (RW, faceset); // CF+ selected faceset
192 197
193 tstamp ACC (RW, last_send); // last data send on socket. 198 tstamp ACC (RW, last_send); // last data send on socket.
194 199
195 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ 200 float ACC (RW, socket_timeout); /* after how many seconds of no ack do we declare dead */
196
197 int ACC (RW, rate_avail); // current rate balance 201 int ACC (RW, rate_avail); // current rate balance
198 int ACC (RW, max_rate); // max. # of bytes to send per tick 202 int ACC (RW, max_rate); // max. # of bytes to send per tick
199 faceidx ACC (RW, scrub_idx); // which face to send next 203 faceidx ACC (RW, scrub_idx); // which face to send next
200 int ACC (RW, bg_scrub); // how many ticks till the next background face send 204 int ACC (RW, bg_scrub); // how many ticks till the next background face send
201 205
202 faceidx partial_face; 206 struct tcp_info tcpi;
203 uint32 partial_face_ofs; // if != 0, need to send remaining bytes of partial_face 207 tstamp next_rate_adjust;
204 std::vector<faceidx, slice_allocator<faceidx> > askface; // which faces have been requested by the client
205 208
209 // websocket frame buffer
210 uint8 ws_inbuf_type; // current frame type
211 uint8 *ws_inbuf;
212 uint32 ws_inbuf_len;
213 uint32 ws_inbuf_alloc;
214
215 unordered_vector<char *> mapinfo_queue;
216 void mapinfo_queue_clear ();
217 void mapinfo_queue_run ();
218 bool mapinfo_try (char *buf);
219
220 struct ixsend {
221 sint16 pri; // higher means faces are sent earlier, default 0
222 faceidx idx;
223 uint32 ofs; // if != 0, need to send remaining bytes of partial_face
224 uint8 *data;
225 SV *data_sv;
226 };
227 std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix
228 MTH void ix_send (faceidx idx, sint16 pri, SV *data_sv); // keeps a copy of data_sv
229 void ix_pop (); // pops topmost ixsend
230
206 std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx 231 std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx
207 MTH void flush_fx (); // send fx if required 232 MTH void flush_fx (); // send fx if required
233
234 MTH void invalidate_face (faceidx idx);
235 MTH void invalidate_all_faces ();
208 236
209 void do_destroy (); 237 void do_destroy ();
210 void gather_callbacks (AV *&callbacks, event_type event) const; 238 void gather_callbacks (AV *&callbacks, event_type event) const;
211 239
212 iow socket_ev; void socket_cb (iow &w, int got); 240 iow socket_ev; void socket_cb (iow &w, int revents);
213 iw cmd_ev; void cmd_cb (iw &w);
214 241
215 std::deque< command, slice_allocator<command> > cmd_queue; 242 std::deque< command, slice_allocator<command> > cmd_queue;
216 243
217 // large structures at the end please 244 // large structures at the end please
218 struct Map lastmap; 245 struct Map lastmap;
219 std::bitset<MAXANIMNUM> anims_sent; 246 std::bitset<MAXANIMNUM> anims_sent;
220 std::bitset<MAX_FACES> faces_sent; 247 std::bitset<MAX_FACES> faces_sent;
248 std::bitset<FT_NUM> fx_want;
221 249
222 // 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.
223 // 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
224 uint8 inbuf[MAXSOCKBUF + 2 + 1]; 252 uint8 inbuf[MAXSOCKBUF + 2 + 1];
253 void inbuf_handle ();
225 254
226 enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 }; 255 enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 };
227 struct msg_buf 256 struct msg_buf
228 { 257 {
229 tick_t expire; 258 tick_t expire;
230 int len; 259 int len;
231 int count; 260 int count;
232 char msg[MSG_BUF_SIZE]; 261 char msg[MSG_BUF_SIZE];
233 } msgbuf[MSG_BUF_COUNT]; 262 } msgbuf[MSG_BUF_COUNT];
234 263
235 MTH bool msg_suppressed (const char *msg); 264 MTH bool msg_suppressed (const_utf8_string msg);
265
266 /* The following is the setup for a ring buffer for storing output
267 * data that the OS can't handle right away.
268 * TODO: this member is enourmously large - optimise?
269 */
270 struct
271 {
272 char data[SOCKETBUFSIZE];
273 int start;
274 int len;
275 } outputbuffer;
236 276
237 bool may_execute (const packet_type *pkt) const; 277 bool may_execute (const packet_type *pkt) const;
238 void execute (const packet_type *pkt, char *data, int datalen); 278 void execute (const packet_type *pkt, char *data, int datalen);
239 279
240 void queue_command (packet_type *handler, char *data, int datalen); 280 void queue_command (packet_type *handler, char *data, int datalen);
249 void skip_packet (int len); // we have processed the packet, skip it 289 void skip_packet (int len); // we have processed the packet, skip it
250 290
251 MTH void flush (); 291 MTH void flush ();
252 MTH void write_outputbuffer (); 292 MTH void write_outputbuffer ();
253 MTH int outputbuffer_len () const { return outputbuffer.len; } 293 MTH int outputbuffer_len () const { return outputbuffer.len; }
294 void send_raw (void *buf_, int len);
295
254 void send (void *buf_, int len); 296 void send (void *buf_, int len);
255
256 void send_packet (const char *buf); 297 void send_packet (const_octet_string buf);
257 void send_packet (const char *buf, int len); 298 void send_packet (const_octet_string buf, int len);
258 void send_packet_printf (const char *format, ...); 299 void send_packet_printf (const_utf8_string format, ...) attribute ((format (printf, 2, 3)));
259 void send_packet (packet &sl); 300 void send_packet (packet &sl);
260 301
261 void send_drawinfo (const char *msg, int flags = NDI_BLACK);
262 MTH void send_face (faceidx facenum); 302 MTH void send_face (faceidx facenum, int pri = 0);
263 MTH void send_image (faceidx facenum);
264 MTH void send_faces (object *ob); 303 MTH void send_faces (object *ob);
265 MTH void send_animation (short anim_num); 304 MTH void send_animation (short anim_num);
266 MTH void send_msg (int color, const char *type, const char *msg); 305 void send_msg (int color, const_utf8_string type, const_utf8_string msg);
267 306
307 MTH void play_sound (faceidx sound, int dx = 0, int dy = 0);
268 // called when something under the player changes 308 // called when something under the player changes
269 MTH void floorbox_update () { update_look = 1; } 309 MTH void floorbox_update () { update_look = 1; }
270 // called when the player has been moved 310 // called when the player has been moved
271 MTH void floorbox_reset () { look_position = 0; floorbox_update (); } 311 MTH void floorbox_reset () { look_position = 0; floorbox_update (); }
272 312
273 MTH void tick (); // called every server tick to do housekeeping etc. 313 MTH void tick (); // called every server tick to do housekeeping etc.
274 314
275 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 ();
318
319 MTH void run (); // start handshake after init
276 320
277protected: 321protected:
278 client (int fd, const char *from_ip); 322 client (int fd, const char *from_ip);
279 ~client (); 323 ~client ();
280}; 324};
281 325
282#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ 326#if FOR_PERL
283 ( ((__type)>0) &&\ 327 ACC (RW, tcpi.tcpi_state);
284 ((__sockPtr)->has_readable_type) && \ 328 ACC (RW, tcpi.tcpi_ca_state);
285 ((__sockPtr)->supported_readables & (1<<(__type))) ) 329 ACC (RW, tcpi.tcpi_retransmits);
286 330 ACC (RW, tcpi.tcpi_probes);
287/* Constants in the form EMI_ is for extended map infos. 331 ACC (RW, tcpi.tcpi_backoff);
288 * Even if the client select the additionnal infos it wants 332 ACC (RW, tcpi.tcpi_options);
289 * on the map, there may exist cases where this whole info 333 ACC (RO, tcpi.tcpi_snd_wscale);
290 * is not given in one buch but in separate bunches. This 334 ACC (RO, tcpi.tcpi_rcv_wscale);
291 * is done performance reasons (imagine some info related to 335 ACC (RW, tcpi.tcpi_rto);
292 * a visible object and another info related to a 4 square 336 ACC (RW, tcpi.tcpi_ato);
293 * width and height area). At the begin of an extended info packet 337 ACC (RW, tcpi.tcpi_snd_mss);
294 * is a bit field. A bit is activated for each extended info 338 ACC (RW, tcpi.tcpi_rcv_mss);
295 * present in the data 339 ACC (RW, tcpi.tcpi_unacked);
296 */ 340 ACC (RW, tcpi.tcpi_sacked);
297 341 ACC (RW, tcpi.tcpi_lost);
298/* Meanings: 342 ACC (RW, tcpi.tcpi_retrans);
299 * EMI_NOREDRAW Take extended infos into account but don't redraw, 343 ACC (RW, tcpi.tcpi_fackets);
300 * some additionnal datas will follow in a new packet 344 ACC (RW, tcpi.tcpi_last_data_sent);
301 * EMI_SMOOTH Datas about smoothing 345 ACC (RW, tcpi.tcpi_last_ack_sent);
302 */ 346 ACC (RW, tcpi.tcpi_last_data_recv);
303#define EMI_NOREDRAW 0x01 347 ACC (RW, tcpi.tcpi_last_ack_recv);
304#define EMI_SMOOTH 0x02 348 ACC (RW, tcpi.tcpi_pmtu);
305 349 ACC (RW, tcpi.tcpi_rcv_ssthresh);
306/* this last one says the bitfield continue un next byte 350 ACC (RW, tcpi.tcpi_rtt);
307 * There may be several on contiguous bytes. So there is 7 351 ACC (RW, tcpi.tcpi_rttvar);
308 * actual bits used per byte, and the number of bytes 352 ACC (RW, tcpi.tcpi_snd_ssthresh);
309 * is not fixed in protocol 353 ACC (RW, tcpi.tcpi_snd_cwnd);
310 */ 354 ACC (RW, tcpi.tcpi_advmss);
311#define EMI_HASMOREBITS 0x80 355 ACC (RW, tcpi.tcpi_reordering);
312 356#endif
313#define FACE_TYPES 1
314#define PNG_FACE_INDEX 0
315
316#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
317#define VERSION_SC 1026
318//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible
319#define VERSION_INFO "Crossfire+ Server"
320 357
321typedef object_vector<client, &client::active> sockvec; 358typedef object_vector<client, &client::active> sockvec;
322 359
323extern sockvec clients; 360extern sockvec clients;
324 361
325#define for_all_clients(var) \ 362#define for_all_clients(var) \
326 for (int _i = 0; _i < clients.size (); ++_i) \ 363 for (int _i = 0; _i < clients.size (); ++_i) \
327 statementvar (client *, var, clients [_i]) 364 statementvar (client *, var, clients [_i])
328 365
366// returns true when the message needs special (read: perl) treatment
367static inline bool
368msg_is_special (const_any_string msg, bool nl_special = true)
369{
370 return msg [strcspn (msg, nl_special ? "<&\n" : "<&")];
371}
372
329#endif 373#endif
330 374

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