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Comparing deliantra/server/include/client.h (file contents):
Revision 1.68 by root, Mon Oct 1 01:09:10 2007 UTC vs.
Revision 1.93 by root, Fri Mar 26 01:04:44 2010 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. 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 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 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 3 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, see <http://www.gnu.org/licenses/>. 17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>.
20 * 19 *
21 * 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>
22 */ 21 */
23 22
24#ifndef CLIENT_H 23#ifndef CLIENT_H
25#define CLIENT_H 24#define CLIENT_H
26 25
… …
29#include <tr1/unordered_set> 28#include <tr1/unordered_set>
30 29
31#if HAVE_TCP_INFO 30#if HAVE_TCP_INFO
32# include <netinet/tcp.h> 31# include <netinet/tcp.h>
33#else 32#else
34 struct tcpi_info { 33 struct tcp_info {
35 // dummy 34 // dummy
36 char tcpi_state; 35 int tcpi_state;
37 char tcpi_ca_state; 36 int tcpi_ca_state;
38 char tcpi_retransmits; 37 int tcpi_retransmits;
39 char tcpi_probes; 38 int tcpi_probes;
40 char tcpi_backoff; 39 int tcpi_backoff;
41 char tcpi_options; 40 int tcpi_options;
42 char tcpi_snd_wscale; 41 int tcpi_snd_wscale;
43 char tcpi_rcv_wscale; 42 int tcpi_rcv_wscale;
44 char tcpi_rto; 43 int tcpi_rto;
45 char tcpi_ato; 44 int tcpi_ato;
46 char tcpi_snd_mss; 45 int tcpi_snd_mss;
47 char tcpi_rcv_mss; 46 int tcpi_rcv_mss;
48 char tcpi_unacked; 47 int tcpi_unacked;
49 char tcpi_sacked; 48 int tcpi_sacked;
50 char tcpi_lost; 49 int tcpi_lost;
51 char tcpi_retrans; 50 int tcpi_retrans;
52 char tcpi_fackets; 51 int tcpi_fackets;
53 char tcpi_last_data_sent; 52 int tcpi_last_data_sent;
54 char tcpi_last_ack_sent; 53 int tcpi_last_ack_sent;
55 char tcpi_last_data_recv; 54 int tcpi_last_data_recv;
56 char tcpi_last_ack_recv; 55 int tcpi_last_ack_recv;
57 char tcpi_pmtu; 56 int tcpi_pmtu;
58 char tcpi_rcv_ssthresh; 57 int tcpi_rcv_ssthresh;
59 char tcpi_rtt; 58 int tcpi_rtt;
60 char tcpi_rttvar; 59 int tcpi_rttvar;
61 char tcpi_snd_ssthresh; 60 int tcpi_snd_ssthresh;
62 char tcpi_snd_cwnd; 61 int tcpi_snd_cwnd;
63 char tcpi_advmss; 62 int tcpi_advmss;
64 char tcpi_reordering; 63 int tcpi_reordering;
65 }; 64 };
66#endif 65#endif
67 66
67//+GPL
68
68// (possibly) max. number of objects "per page" in the ground container 69// (possibly) max. number of objects "per page" in the ground container
69#define FLOORBOX_PAGESIZE 50 70#define FLOORBOX_PAGESIZE 50
70 71
71struct MapCell 72struct MapCell
72{ 73{
73 tag_t 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
74 int count; /* This is really darkness in the map1 command */ 75 int count; /* This is really darkness in the map1 command */
75 faceidx faces[MAP_LAYERS]; 76 faceidx faces[MAP_LAYERS];
76 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
77 unsigned char flags; 78 unsigned char flags;
78 uint8_t smooth[MAP_LAYERS]; 79 uint8_t smooth[MAP_LAYERS];
… …
144{ 145{
145 tstamp stamp; 146 tstamp stamp;
146 const packet_type *handler; 147 const packet_type *handler;
147 char *data; 148 char *data;
148 int datalen; 149 int datalen;
149
150 ~command ()
151 {
152 sfree<char> (data, datalen + 1);
153 }
154}; 150};
151
152//-GPL
155 153
156/* 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. */
157#define MAX_PASSWORD_FAILURES 5 155#define MAX_PASSWORD_FAILURES 5
158 156
159INTERFACE_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
… …
162 int ACC (RW, fd); 160 int ACC (RW, fd);
163 unsigned int inbuf_len; // number of bytes valid in inbuf 161 unsigned int inbuf_len; // number of bytes valid in inbuf
164 statsinfo stats; 162 statsinfo stats;
165 object_vector_index ACC (RO, active); 163 object_vector_index ACC (RO, active);
166 player_ptr ACC (RO, pl); 164 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;
177 165
178 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) */
179 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 */
180 168
181 sint8 ACC (RW, last_level); /* Last level we sent to client */ 169 sint8 ACC (RW, last_level); /* Last level we sent to client */
… …
189 living ACC (RO, last_stats); /* Last stats as sent to client */ 177 living ACC (RO, last_stats); /* Last stats as sent to client */
190 float ACC (RW, last_speed); /* Last speed as sent to client */ 178 float ACC (RW, last_speed); /* Last speed as sent to client */
191 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 */
192 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 */
193 181
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 */ 182 bool ACC (RW, afk); /* player is afk */
200 bool ACC (RW, facecache); /* If true, client is caching images */
201 bool ACC (RW, sent_scroll); 183 bool ACC (RW, sent_scroll);
202 bool ACC (RW, sound); /* does the client want sound */ 184 bool ACC (RW, sound); /* does the client want sound */
203 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 */
204 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */ 186 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */
205 bool ACC (RW, mapinfocmd); // return map info and send map change info 187 bool ACC (RW, mapinfocmd); // return map info and send map change info
206 uint8_t ACC (RW, extcmd); // call into extensions/plugins 188 uint8_t ACC (RW, extcmd); // call into extensions/plugins
207 bool ACC (RW, extmap); // extend map comamnd with extra data
208 bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls
209 bool ACC (RW, darkness); /* True if client wants darkness information */
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
212 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
213 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 */
214 /* used to arrange text in books, scrolls, or scripted dialogs */ 192 /* used to arrange text in books, scrolls, or scripted dialogs */
215 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 */
216 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */
217 /* Below are flags for extedend infos to pass to client
218 * with S->C mapextended command */
219 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
220 bool ACC (RW, smoothing); // trt-style smoothing 194 bool ACC (RW, smoothing); // deliantra-style smoothing
221 bool ACC (RW, can_msg); // trt-style text messages
222 195
223 bool ACC (RW, force_newmap); // force a newmap before next map update 196 bool ACC (RW, force_newmap); // force a newmap before next map update
224 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 */
225 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 */
226 uint16 ACC (RW, look_position); /* start of drawing of look window */ 199 uint16 ACC (RW, look_position); /* start of drawing of look window */
227 uint16 ACC (RW, mss); // likely tcp maximum segment size 200 uint16 ACC (RW, mss); // likely tcp maximum segment size
228 uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */ 201 uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */
229 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 */
230 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 */
231 204
232 maptile *ACC (RW, current_map); // CF+ last/current player map 205 maptile_ptr ACC (RW, current_map); // CF+ last/current player map
233 region *ACC (RW, current_region); // CF+ last/current player region 206 region_ptr ACC (RW, current_region); // CF+ last/current player region
234 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
235 shstr ACC (RW, version); // CF+ client name/version 208 shstr ACC (RW, version); // CF+ client name/version
236 uint8 ACC (RW, faceset); // CF+ selected faceset 209 uint8 ACC (RW, faceset); // CF+ selected faceset
237 210
238 tstamp ACC (RW, last_send); // last data send on socket. 211 tstamp ACC (RW, last_send); // last data send on socket.
239 212
213 float ACC (RW, socket_timeout); /* after how many seconds of no ack do we declare dead */
240 int ACC (RW, rate_avail); // current rate balance 214 int ACC (RW, rate_avail); // current rate balance
241 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
242 faceidx ACC (RW, scrub_idx); // which face to send next 216 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 217 int ACC (RW, bg_scrub); // how many ticks till the next background face send
244 218
… …
261 MTH void flush_fx (); // send fx if required 235 MTH void flush_fx (); // send fx if required
262 236
263 void do_destroy (); 237 void do_destroy ();
264 void gather_callbacks (AV *&callbacks, event_type event) const; 238 void gather_callbacks (AV *&callbacks, event_type event) const;
265 239
266 iow socket_ev; void socket_cb (iow &w, int got); 240 iow socket_ev; void socket_cb (iow &w, int revents);
267 241
268 std::deque< command, slice_allocator<command> > cmd_queue; 242 std::deque< command, slice_allocator<command> > cmd_queue;
269 243
270 // large structures at the end please 244 // large structures at the end please
271 struct Map lastmap; 245 struct Map lastmap;
… …
284 int len; 258 int len;
285 int count; 259 int count;
286 char msg[MSG_BUF_SIZE]; 260 char msg[MSG_BUF_SIZE];
287 } msgbuf[MSG_BUF_COUNT]; 261 } msgbuf[MSG_BUF_COUNT];
288 262
289 MTH bool msg_suppressed (const char *msg); 263 MTH bool msg_suppressed (const_utf8_string 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;
290 275
291 bool may_execute (const packet_type *pkt) const; 276 bool may_execute (const packet_type *pkt) const;
292 void execute (const packet_type *pkt, char *data, int datalen); 277 void execute (const packet_type *pkt, char *data, int datalen);
293 278
294 void queue_command (packet_type *handler, char *data, int datalen); 279 void queue_command (packet_type *handler, char *data, int datalen);
… …
305 MTH void flush (); 290 MTH void flush ();
306 MTH void write_outputbuffer (); 291 MTH void write_outputbuffer ();
307 MTH int outputbuffer_len () const { return outputbuffer.len; } 292 MTH int outputbuffer_len () const { return outputbuffer.len; }
308 void send (void *buf_, int len); 293 void send (void *buf_, int len);
309 294
310 void send_packet (const char *buf); 295 void send_packet (const_octet_string buf);
311 void send_packet (const char *buf, int len); 296 void send_packet (const_octet_string buf, int len);
312 void send_packet_printf (const char *format, ...); 297 void send_packet_printf (const_utf8_string format, ...) attribute ((format (printf, 2, 3)));
313 void send_packet (packet &sl); 298 void send_packet (packet &sl);
314 299
315 void send_drawinfo (const char *msg, int flags = NDI_BLACK); 300 void send_drawinfo (const_utf8_string msg, int flags = NDI_BLACK);
316 301
317 MTH void send_face (faceidx facenum, int pri = 0); 302 MTH void send_face (faceidx facenum, int pri = 0);
318 MTH void send_image (faceidx facenum);
319 MTH void send_faces (object *ob); 303 MTH void send_faces (object *ob);
320 MTH void send_animation (short anim_num); 304 MTH void send_animation (short anim_num);
321 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);
322 306
323 MTH void play_sound (faceidx sound, int dx = 0, int dy = 0); 307 MTH void play_sound (faceidx sound, int dx = 0, int dy = 0);
324 // called when something under the player changes 308 // called when something under the player changes
325 MTH void floorbox_update () { update_look = 1; } 309 MTH void floorbox_update () { update_look = 1; }
326 // called when the player has been moved 310 // called when the player has been moved
… …
367 ACC (RW, tcpi.tcpi_snd_cwnd); 351 ACC (RW, tcpi.tcpi_snd_cwnd);
368 ACC (RW, tcpi.tcpi_advmss); 352 ACC (RW, tcpi.tcpi_advmss);
369 ACC (RW, tcpi.tcpi_reordering); 353 ACC (RW, tcpi.tcpi_reordering);
370#endif 354#endif
371 355
356//+GPL
357
372#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ 358#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\
373 ( ((__type)>0) &&\ 359 ( ((__type)>0) &&\
374 ((__sockPtr)->has_readable_type) && \ 360 ((__sockPtr)->has_readable_type) && \
375 ((__sockPtr)->supported_readables & (1<<(__type))) ) 361 ((__sockPtr)->supported_readables & (1<<(__type))) )
376 362
377/* Constants in the form EMI_ is for extended map infos.
378 * Even if the client select the additionnal infos it wants
379 * on the map, there may exist cases where this whole info
380 * is not given in one buch but in separate bunches. This
381 * is done performance reasons (imagine some info related to
382 * a visible object and another info related to a 4 square
383 * width and height area). At the begin of an extended info packet
384 * is a bit field. A bit is activated for each extended info
385 * present in the data
386 */
387
388/* Meanings:
389 * EMI_NOREDRAW Take extended infos into account but don't redraw,
390 * some additionnal datas will follow in a new packet
391 * EMI_SMOOTH Datas about smoothing
392 */
393#define EMI_NOREDRAW 0x01
394#define EMI_SMOOTH 0x02
395
396/* this last one says the bitfield continue un next byte
397 * There may be several on contiguous bytes. So there is 7
398 * actual bits used per byte, and the number of bytes
399 * is not fixed in protocol
400 */
401#define EMI_HASMOREBITS 0x80
402
403#define FACE_TYPES 1 363#define FACE_TYPES 1
404#define PNG_FACE_INDEX 0 364#define PNG_FACE_INDEX 0
405 365
406#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */ 366#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
407#define VERSION_SC 1026 367#define VERSION_SC 1026
408//#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
409#define VERSION_INFO "Crossfire TRT Server" 369#define VERSION_INFO "Deliantra Server"
370
371//-GPL
410 372
411typedef object_vector<client, &client::active> sockvec; 373typedef object_vector<client, &client::active> sockvec;
412 374
413extern sockvec clients; 375extern sockvec clients;
414 376
415#define for_all_clients(var) \ 377#define for_all_clients(var) \
416 for (int _i = 0; _i < clients.size (); ++_i) \ 378 for (int _i = 0; _i < clients.size (); ++_i) \
417 statementvar (client *, var, clients [_i]) 379 statementvar (client *, var, clients [_i])
418 380
381// returns true when the message needs special (read: perl) treatment
382static inline bool
383msg_is_special (const_any_string msg, bool nl_special = true)
384{
385 return msg [strcspn (msg, nl_special ? "<&\n" : "<&")];
386}
387
419#endif 388#endif
420 389

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