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Comparing deliantra/server/include/client.h (file contents):
Revision 1.63 by root, Tue Jul 24 04:55:34 2007 UTC vs.
Revision 1.86 by root, Wed Sep 2 16:54:20 2009 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Crossfire TRT is free software: you can redistribute it and/or modify 8 * Deliantra 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 3 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,
… …
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, see <http://www.gnu.org/licenses/>. 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * 20 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 22 */
23 23
24#ifndef CLIENT_H 24#ifndef CLIENT_H
25#define CLIENT_H 25#define CLIENT_H
26 26
27#include <deque> 27#include <deque>
28#include <bitset> 28#include <bitset>
29#include <tr1/unordered_set> 29#include <tr1/unordered_set>
30 30
31#if HAVE_TCP_INFO
32# include <netinet/tcp.h>
33#else
34 struct tcp_info {
35 // dummy
36 int tcpi_state;
37 int tcpi_ca_state;
38 int tcpi_retransmits;
39 int tcpi_probes;
40 int tcpi_backoff;
41 int tcpi_options;
42 int tcpi_snd_wscale;
43 int tcpi_rcv_wscale;
44 int tcpi_rto;
45 int tcpi_ato;
46 int tcpi_snd_mss;
47 int tcpi_rcv_mss;
48 int tcpi_unacked;
49 int tcpi_sacked;
50 int tcpi_lost;
51 int tcpi_retrans;
52 int tcpi_fackets;
53 int tcpi_last_data_sent;
54 int tcpi_last_ack_sent;
55 int tcpi_last_data_recv;
56 int tcpi_last_ack_recv;
57 int tcpi_pmtu;
58 int tcpi_rcv_ssthresh;
59 int tcpi_rtt;
60 int tcpi_rttvar;
61 int tcpi_snd_ssthresh;
62 int tcpi_snd_cwnd;
63 int tcpi_advmss;
64 int tcpi_reordering;
65 };
66#endif
67
31// (possibly) max. number of objects "per page" in the ground container 68// (possibly) max. number of objects "per page" in the ground container
32#define FLOORBOX_PAGESIZE 50 69#define FLOORBOX_PAGESIZE 50
33 70
34struct MapCell 71struct MapCell
35{ 72{
36 tag_t 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
37 int count; /* This is really darkness in the map1 command */ 74 int count; /* This is really darkness in the map1 command */
38 faceidx faces[MAP_LAYERS]; 75 faceidx faces[MAP_LAYERS];
39 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
40 unsigned char flags; 77 unsigned char flags;
41 uint8_t smooth[MAP_LAYERS]; 78 uint8_t smooth[MAP_LAYERS];
… …
107{ 144{
108 tstamp stamp; 145 tstamp stamp;
109 const packet_type *handler; 146 const packet_type *handler;
110 char *data; 147 char *data;
111 int datalen; 148 int datalen;
112
113 ~command ()
114 {
115 sfree<char> (data, datalen + 1);
116 }
117}; 149};
118 150
119/* how many times we are allowed to give the wrong password before being kicked. */ 151/* how many times we are allowed to give the wrong password before being kicked. */
120#define MAX_PASSWORD_FAILURES 5 152#define MAX_PASSWORD_FAILURES 5
121 153
… …
125 int ACC (RW, fd); 157 int ACC (RW, fd);
126 unsigned int inbuf_len; // number of bytes valid in inbuf 158 unsigned int inbuf_len; // number of bytes valid in inbuf
127 statsinfo stats; 159 statsinfo stats;
128 object_vector_index ACC (RO, active); 160 object_vector_index ACC (RO, active);
129 player_ptr ACC (RO, pl); 161 player_ptr ACC (RO, pl);
130
131 /* The following is the setup for a ring buffer for storing output
132 * data that the OS can't handle right away.
133 */
134 struct
135 {
136 char data[SOCKETBUFSIZE];
137 int start;
138 int len;
139 } outputbuffer;
140 162
141 char *ACC (RW, host); /* Which host it is connected from (ip address) */ 163 char *ACC (RW, host); /* Which host it is connected from (ip address) */
142 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ 164 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */
143 165
144 sint8 ACC (RW, last_level); /* Last level we sent to client */ 166 sint8 ACC (RW, last_level); /* Last level we sent to client */
… …
152 living ACC (RO, last_stats); /* Last stats as sent to client */ 174 living ACC (RO, last_stats); /* Last stats as sent to client */
153 float ACC (RW, last_speed); /* Last speed as sent to client */ 175 float ACC (RW, last_speed); /* Last speed as sent to client */
154 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */ 176 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */
155 sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */ 177 sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */
156 178
157 bool ACC (RW, force_face0); // client workaround for buggy checksum calculation in gcfclient
158 bool ACC (RW, force_bad_checksum); // client workaround for buggy checksum calculation in gcfclient
159 bool ACC (RW, force_image_newmap); // client workaround for client not redrawing map on image upload
160 bool ACC (RW, enable_bg_scrub); // client workaround, gcfclient becomes unusable if you send it images
161
162 bool ACC (RW, afk); /* player is afk */ 179 bool ACC (RW, afk); /* player is afk */
163 bool ACC (RW, facecache); /* If true, client is caching images */
164 bool ACC (RW, sent_scroll); 180 bool ACC (RW, sent_scroll);
165 bool ACC (RW, sound); /* does the client want sound */ 181 bool ACC (RW, sound); /* does the client want sound */
166 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ 182 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */
167 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */ 183 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */
168 bool ACC (RW, mapinfocmd); // return map info and send map change info 184 bool ACC (RW, mapinfocmd); // return map info and send map change info
169 uint8_t ACC (RW, extcmd); // call into extensions/plugins 185 uint8_t ACC (RW, extcmd); // call into extensions/plugins
170 bool ACC (RW, extmap); // extend map comamnd with extra data
171 bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls
172 bool ACC (RW, darkness); /* True if client wants darkness information */
173 bool ACC (RW, image2); /* Client wants image2/face2 commands */
174 uint8_t ACC (RW, fxix); // client implements fx and ix (face|image extended) commands
175 bool ACC (RW, update_look); /* If true, we need to send the look window */ 186 bool ACC (RW, update_look); /* If true, we need to send the look window */
176 bool ACC (RW, has_readable_type); /* If true client accept additional text information */ 187 bool ACC (RW, has_readable_type); /* If true client accept additional text information */
177 /* used to arrange text in books, scrolls, or scripted dialogs */ 188 /* used to arrange text in books, scrolls, or scripted dialogs */
178 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ 189 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */
179 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */
180 /* Below are flags for extedend infos to pass to client
181 * with S->C mapextended command */
182 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
183 bool ACC (RW, smoothing); // trt-style smoothing 190 bool ACC (RW, smoothing); // deliantra-style smoothing
184 bool ACC (RW, can_msg); // trt-style text messages
185 191
186 bool ACC (RW, force_newmap); // force a newmap before next map update 192 bool ACC (RW, force_newmap); // force a newmap before next map update
187 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ 193 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */
188 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ 194 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */
189 uint16 ACC (RW, look_position); /* start of drawing of look window */ 195 uint16 ACC (RW, look_position); /* start of drawing of look window */
190 uint16 ACC (RW, mss); // likely tcp maximum segment size 196 uint16 ACC (RW, mss); // likely tcp maximum segment size
191 uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */ 197 uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */
192 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ 198 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */
193 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ 199 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */
194 200
195 maptile *ACC (RW, current_map); // CF+ last/current player map 201 maptile_ptr ACC (RW, current_map); // CF+ last/current player map
196 region *ACC (RW, current_region); // CF+ last/current player region 202 region_ptr ACC (RW, current_region); // CF+ last/current player region
197 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position 203 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position
198 shstr ACC (RW, version); // CF+ client name/version 204 shstr ACC (RW, version); // CF+ client name/version
199 uint8 ACC (RW, faceset); // CF+ selected faceset 205 uint8 ACC (RW, faceset); // CF+ selected faceset
200 206
201 tstamp ACC (RW, last_send); // last data send on socket. 207 tstamp ACC (RW, last_send); // last data send on socket.
202 208
203 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ 209 float ACC (RW, socket_timeout); /* after how many seconds of no ack do we declare dead */
204 int ACC (RW, outq); // current socket outq length, or 0 if indeterminable
205
206 int ACC (RW, rate_avail); // current rate balance 210 int ACC (RW, rate_avail); // current rate balance
207 int ACC (RW, max_rate); // max. # of bytes to send per tick 211 int ACC (RW, max_rate); // max. # of bytes to send per tick
208 faceidx ACC (RW, scrub_idx); // which face to send next 212 faceidx ACC (RW, scrub_idx); // which face to send next
209 int ACC (RW, bg_scrub); // how many ticks till the next background face send 213 int ACC (RW, bg_scrub); // how many ticks till the next background face send
214
215 struct tcp_info tcpi;
216 tstamp next_rate_adjust;
217
218 unordered_vector<char *> mapinfo_queue;
219 void mapinfo_queue_clear ();
220 void mapinfo_queue_run ();
221 bool mapinfo_try (char *buf);
210 222
211 struct ixsend { 223 struct ixsend {
212 int16_t pri; // unused 224 int16_t pri; // unused
213 faceidx idx; 225 faceidx idx;
214 uint32_t ofs; // if != 0, need to send remaining bytes of partial_face 226 uint32_t ofs; // if != 0, need to send remaining bytes of partial_face
… …
219 MTH void flush_fx (); // send fx if required 231 MTH void flush_fx (); // send fx if required
220 232
221 void do_destroy (); 233 void do_destroy ();
222 void gather_callbacks (AV *&callbacks, event_type event) const; 234 void gather_callbacks (AV *&callbacks, event_type event) const;
223 235
224 iow socket_ev; void socket_cb (iow &w, int got); 236 iow socket_ev; void socket_cb (iow &w, int revents);
225 iw cmd_ev; void cmd_cb (iw &w);
226 237
227 std::deque< command, slice_allocator<command> > cmd_queue; 238 std::deque< command, slice_allocator<command> > cmd_queue;
228 239
229 // large structures at the end please 240 // large structures at the end please
230 struct Map lastmap; 241 struct Map lastmap;
… …
245 char msg[MSG_BUF_SIZE]; 256 char msg[MSG_BUF_SIZE];
246 } msgbuf[MSG_BUF_COUNT]; 257 } msgbuf[MSG_BUF_COUNT];
247 258
248 MTH bool msg_suppressed (const char *msg); 259 MTH bool msg_suppressed (const char *msg);
249 260
261 /* The following is the setup for a ring buffer for storing output
262 * data that the OS can't handle right away.
263 * TODO: this member is enourmously large - optimise?
264 */
265 struct
266 {
267 char data[SOCKETBUFSIZE];
268 int start;
269 int len;
270 } outputbuffer;
271
250 bool may_execute (const packet_type *pkt) const; 272 bool may_execute (const packet_type *pkt) const;
251 void execute (const packet_type *pkt, char *data, int datalen); 273 void execute (const packet_type *pkt, char *data, int datalen);
252 274
253 void queue_command (packet_type *handler, char *data, int datalen); 275 void queue_command (packet_type *handler, char *data, int datalen);
254 MTH bool handle_command (); 276 MTH bool handle_command ();
… …
272 void send_packet (packet &sl); 294 void send_packet (packet &sl);
273 295
274 void send_drawinfo (const char *msg, int flags = NDI_BLACK); 296 void send_drawinfo (const char *msg, int flags = NDI_BLACK);
275 297
276 MTH void send_face (faceidx facenum, int pri = 0); 298 MTH void send_face (faceidx facenum, int pri = 0);
277 MTH void send_image (faceidx facenum);
278 MTH void send_faces (object *ob); 299 MTH void send_faces (object *ob);
279 MTH void send_animation (short anim_num); 300 MTH void send_animation (short anim_num);
280 void send_msg (int color, const char *type, const char *msg); 301 void send_msg (int color, const char *type, const char *msg);
281 302
303 MTH void play_sound (faceidx sound, int dx = 0, int dy = 0);
282 // called when something under the player changes 304 // called when something under the player changes
283 MTH void floorbox_update () { update_look = 1; } 305 MTH void floorbox_update () { update_look = 1; }
284 // called when the player has been moved 306 // called when the player has been moved
285 MTH void floorbox_reset () { look_position = 0; floorbox_update (); } 307 MTH void floorbox_reset () { look_position = 0; floorbox_update (); }
286 308
287 MTH void tick (); // called every server tick to do housekeeping etc. 309 MTH void tick (); // called every server tick to do housekeeping etc.
288 310
289 MTH static client *create (int fd, const char *peername); 311 MTH static client *create (int fd, const char *peername);
312 MTH static void clock ();
313 MTH static void flush_sockets ();
290 314
291protected: 315protected:
292 client (int fd, const char *from_ip); 316 client (int fd, const char *from_ip);
293 ~client (); 317 ~client ();
294}; 318};
319
320#if FOR_PERL
321 ACC (RW, tcpi.tcpi_state);
322 ACC (RW, tcpi.tcpi_ca_state);
323 ACC (RW, tcpi.tcpi_retransmits);
324 ACC (RW, tcpi.tcpi_probes);
325 ACC (RW, tcpi.tcpi_backoff);
326 ACC (RW, tcpi.tcpi_options);
327 ACC (RO, tcpi.tcpi_snd_wscale);
328 ACC (RO, tcpi.tcpi_rcv_wscale);
329 ACC (RW, tcpi.tcpi_rto);
330 ACC (RW, tcpi.tcpi_ato);
331 ACC (RW, tcpi.tcpi_snd_mss);
332 ACC (RW, tcpi.tcpi_rcv_mss);
333 ACC (RW, tcpi.tcpi_unacked);
334 ACC (RW, tcpi.tcpi_sacked);
335 ACC (RW, tcpi.tcpi_lost);
336 ACC (RW, tcpi.tcpi_retrans);
337 ACC (RW, tcpi.tcpi_fackets);
338 ACC (RW, tcpi.tcpi_last_data_sent);
339 ACC (RW, tcpi.tcpi_last_ack_sent);
340 ACC (RW, tcpi.tcpi_last_data_recv);
341 ACC (RW, tcpi.tcpi_last_ack_recv);
342 ACC (RW, tcpi.tcpi_pmtu);
343 ACC (RW, tcpi.tcpi_rcv_ssthresh);
344 ACC (RW, tcpi.tcpi_rtt);
345 ACC (RW, tcpi.tcpi_rttvar);
346 ACC (RW, tcpi.tcpi_snd_ssthresh);
347 ACC (RW, tcpi.tcpi_snd_cwnd);
348 ACC (RW, tcpi.tcpi_advmss);
349 ACC (RW, tcpi.tcpi_reordering);
350#endif
295 351
296#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ 352#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\
297 ( ((__type)>0) &&\ 353 ( ((__type)>0) &&\
298 ((__sockPtr)->has_readable_type) && \ 354 ((__sockPtr)->has_readable_type) && \
299 ((__sockPtr)->supported_readables & (1<<(__type))) ) 355 ((__sockPtr)->supported_readables & (1<<(__type))) )
300 356
301/* Constants in the form EMI_ is for extended map infos.
302 * Even if the client select the additionnal infos it wants
303 * on the map, there may exist cases where this whole info
304 * is not given in one buch but in separate bunches. This
305 * is done performance reasons (imagine some info related to
306 * a visible object and another info related to a 4 square
307 * width and height area). At the begin of an extended info packet
308 * is a bit field. A bit is activated for each extended info
309 * present in the data
310 */
311
312/* Meanings:
313 * EMI_NOREDRAW Take extended infos into account but don't redraw,
314 * some additionnal datas will follow in a new packet
315 * EMI_SMOOTH Datas about smoothing
316 */
317#define EMI_NOREDRAW 0x01
318#define EMI_SMOOTH 0x02
319
320/* this last one says the bitfield continue un next byte
321 * There may be several on contiguous bytes. So there is 7
322 * actual bits used per byte, and the number of bytes
323 * is not fixed in protocol
324 */
325#define EMI_HASMOREBITS 0x80
326
327#define FACE_TYPES 1 357#define FACE_TYPES 1
328#define PNG_FACE_INDEX 0 358#define PNG_FACE_INDEX 0
329 359
330#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */ 360#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
331#define VERSION_SC 1026 361#define VERSION_SC 1026
332//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible 362//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible
333#define VERSION_INFO "Crossfire TRT Server" 363#define VERSION_INFO "Deliantra Server"
334 364
335typedef object_vector<client, &client::active> sockvec; 365typedef object_vector<client, &client::active> sockvec;
336 366
337extern sockvec clients; 367extern sockvec clients;
338 368
339#define for_all_clients(var) \ 369#define for_all_clients(var) \
340 for (int _i = 0; _i < clients.size (); ++_i) \ 370 for (int _i = 0; _i < clients.size (); ++_i) \
341 statementvar (client *, var, clients [_i]) 371 statementvar (client *, var, clients [_i])
342 372
373// returns true when the message needs special (read: perl) treatment
374static inline bool
375msg_is_special (const char *msg, bool nl_special = true)
376{
377 return msg [strcspn (msg, nl_special ? "<&\n" : "<&")];
378}
379
343#endif 380#endif
344 381

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