ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/include/client.h
(Generate patch)

Comparing deliantra/server/include/client.h (file contents):
Revision 1.60 by root, Thu Jul 12 08:40:14 2007 UTC vs.
Revision 1.88 by root, Tue Nov 3 23:44:21 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
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
27#include <deque> 26#include <deque>
28#include <bitset> 27#include <bitset>
29#include <tr1/unordered_set> 28#include <tr1/unordered_set>
30 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
31// (possibly) max. number of objects "per page" in the ground container 67// (possibly) max. number of objects "per page" in the ground container
32#define FLOORBOX_PAGESIZE 50 68#define FLOORBOX_PAGESIZE 50
33 69
34struct MapCell 70struct MapCell
35{ 71{
36 tag_t 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
37 int count; /* This is really darkness in the map1 command */ 73 int count; /* This is really darkness in the map1 command */
38 faceidx faces[MAP_LAYERS]; 74 faceidx faces[MAP_LAYERS];
39 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
40 unsigned char flags; 76 unsigned char flags;
41 uint8_t smooth[MAP_LAYERS]; 77 uint8_t smooth[MAP_LAYERS];
… …
85 PF_PLAYING = 0x02, // must be in playing state 121 PF_PLAYING = 0x02, // must be in playing state
86 PF_COMMAND0 = 0x04, // command starts at offset 0 122 PF_COMMAND0 = 0x04, // command starts at offset 0
87 PF_COMMAND6 = 0x08, // command starts at offset 6 123 PF_COMMAND6 = 0x08, // command starts at offset 6
88}; 124};
89 125
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,
133};
134
90struct packet_type 135struct packet_type
91{ 136{
92 const char *name; 137 const char *name;
93 void *cb; 138 void *cb;
94 int flags; 139 int flags;
… …
98{ 143{
99 tstamp stamp; 144 tstamp stamp;
100 const packet_type *handler; 145 const packet_type *handler;
101 char *data; 146 char *data;
102 int datalen; 147 int datalen;
103
104 ~command ()
105 {
106 sfree<char> (data, datalen + 1);
107 }
108}; 148};
109 149
110/* 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. */
111#define MAX_PASSWORD_FAILURES 5 151#define MAX_PASSWORD_FAILURES 5
112 152
… …
116 int ACC (RW, fd); 156 int ACC (RW, fd);
117 unsigned int inbuf_len; // number of bytes valid in inbuf 157 unsigned int inbuf_len; // number of bytes valid in inbuf
118 statsinfo stats; 158 statsinfo stats;
119 object_vector_index ACC (RO, active); 159 object_vector_index ACC (RO, active);
120 player_ptr ACC (RO, pl); 160 player_ptr ACC (RO, pl);
121
122 /* The following is the setup for a ring buffer for storing output
123 * data that the OS can't handle right away.
124 */
125 struct
126 {
127 char data[SOCKETBUFSIZE];
128 int start;
129 int len;
130 } outputbuffer;
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, state); /* Input state of the player (name, password, etc */ 163 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */
134 164
135 sint8 ACC (RW, last_level); /* Last level we sent to client */ 165 sint8 ACC (RW, last_level); /* Last level we sent to client */
… …
143 living ACC (RO, last_stats); /* Last stats as sent to client */ 173 living ACC (RO, last_stats); /* Last stats as sent to client */
144 float ACC (RW, last_speed); /* Last speed as sent to client */ 174 float ACC (RW, last_speed); /* Last speed as sent to client */
145 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */ 175 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */
146 sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */ 176 sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */
147 177
148 bool ACC (RW, force_face0); // client workaround for buggy checksum calculation in gcfclient
149 bool ACC (RW, force_bad_checksum); // client workaround for buggy checksum calculation in gcfclient
150 bool ACC (RW, force_image_newmap); // client workaround for client not redrawing map on image upload
151 bool ACC (RW, enable_bg_scrub); // client workaround, gcfclient becomes unusable if you send it images
152
153 bool ACC (RW, afk); /* player is afk */ 178 bool ACC (RW, afk); /* player is afk */
154 bool ACC (RW, facecache); /* If true, client is caching images */
155 bool ACC (RW, sent_scroll); 179 bool ACC (RW, sent_scroll);
156 bool ACC (RW, sound); /* does the client want sound */ 180 bool ACC (RW, sound); /* does the client want sound */
157 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 */
158 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */ 182 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */
159 bool ACC (RW, mapinfocmd); // return map info and send map change info 183 bool ACC (RW, mapinfocmd); // return map info and send map change info
160 bool ACC (RW, extcmd); // call into extensions/plugins 184 uint8_t ACC (RW, extcmd); // call into extensions/plugins
161 bool ACC (RW, extmap); // extend map comamnd with extra data
162 bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls
163 bool ACC (RW, darkness); /* True if client wants darkness information */
164 bool ACC (RW, image2); /* Client wants image2/face2 commands */
165 uint8_t ACC (RW, fxix); // client implements fx and ix (face|image extended) commands
166 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 */
167 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 */
168 /* used to arrange text in books, scrolls, or scripted dialogs */ 187 /* used to arrange text in books, scrolls, or scripted dialogs */
169 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 */
170 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */
171 /* Below are flags for extedend infos to pass to client
172 * with S->C mapextended command */
173 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
174 bool ACC (RW, smoothing); // trt-style smoothing 189 bool ACC (RW, smoothing); // deliantra-style smoothing
175 bool ACC (RW, can_msg); // trt-style text messages
176 190
177 bool ACC (RW, force_newmap); // force a newmap before next map update 191 bool ACC (RW, force_newmap); // force a newmap before next map update
178 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 */
179 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 */
180 uint16 ACC (RW, look_position); /* start of drawing of look window */ 194 uint16 ACC (RW, look_position); /* start of drawing of look window */
181 uint16 ACC (RW, mss); // likely tcp maximum segment size 195 uint16 ACC (RW, mss); // likely tcp maximum segment size
182 uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */ 196 uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */
183 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 */
184 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 */
185 199
186 maptile *ACC (RW, current_map); // CF+ last/current player map 200 maptile_ptr ACC (RW, current_map); // CF+ last/current player map
187 region *ACC (RW, current_region); // CF+ last/current player region 201 region_ptr ACC (RW, current_region); // CF+ last/current player region
188 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
189 shstr ACC (RW, version); // CF+ client name/version 203 shstr ACC (RW, version); // CF+ client name/version
190 uint8 ACC (RW, faceset); // CF+ selected faceset 204 uint8 ACC (RW, faceset); // CF+ selected faceset
191 205
192 tstamp ACC (RW, last_send); // last data send on socket. 206 tstamp ACC (RW, last_send); // last data send on socket.
193 207
194 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ 208 float ACC (RW, socket_timeout); /* after how many seconds of no ack do we declare dead */
195
196 int ACC (RW, rate_avail); // current rate balance 209 int ACC (RW, rate_avail); // current rate balance
197 int ACC (RW, max_rate); // max. # of bytes to send per tick 210 int ACC (RW, max_rate); // max. # of bytes to send per tick
198 faceidx ACC (RW, scrub_idx); // which face to send next 211 faceidx ACC (RW, scrub_idx); // which face to send next
199 int ACC (RW, bg_scrub); // how many ticks till the next background face send 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);
200 221
201 struct ixsend { 222 struct ixsend {
202 int16_t pri; // unused 223 int16_t pri; // unused
203 faceidx idx; 224 faceidx idx;
204 uint32_t ofs; // if != 0, need to send remaining bytes of partial_face 225 uint32_t ofs; // if != 0, need to send remaining bytes of partial_face
… …
209 MTH void flush_fx (); // send fx if required 230 MTH void flush_fx (); // send fx if required
210 231
211 void do_destroy (); 232 void do_destroy ();
212 void gather_callbacks (AV *&callbacks, event_type event) const; 233 void gather_callbacks (AV *&callbacks, event_type event) const;
213 234
214 iow socket_ev; void socket_cb (iow &w, int got); 235 iow socket_ev; void socket_cb (iow &w, int revents);
215 iw cmd_ev; void cmd_cb (iw &w);
216 236
217 std::deque< command, slice_allocator<command> > cmd_queue; 237 std::deque< command, slice_allocator<command> > cmd_queue;
218 238
219 // large structures at the end please 239 // large structures at the end please
220 struct Map lastmap; 240 struct Map lastmap;
221 std::bitset<MAXANIMNUM> anims_sent; 241 std::bitset<MAXANIMNUM> anims_sent;
222 std::bitset<MAX_FACES> faces_sent; 242 std::bitset<MAX_FACES> faces_sent;
243 std::bitset<FT_NUM> fx_want;
223 244
224 // 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.
225 // 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
226 uint8 inbuf[MAXSOCKBUF + 2 + 1]; 247 uint8 inbuf[MAXSOCKBUF + 2 + 1];
227 248
… …
234 char msg[MSG_BUF_SIZE]; 255 char msg[MSG_BUF_SIZE];
235 } msgbuf[MSG_BUF_COUNT]; 256 } msgbuf[MSG_BUF_COUNT];
236 257
237 MTH bool msg_suppressed (const char *msg); 258 MTH bool msg_suppressed (const char *msg);
238 259
260 /* The following is the setup for a ring buffer for storing output
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;
270
239 bool may_execute (const packet_type *pkt) const; 271 bool may_execute (const packet_type *pkt) const;
240 void execute (const packet_type *pkt, char *data, int datalen); 272 void execute (const packet_type *pkt, char *data, int datalen);
241 273
242 void queue_command (packet_type *handler, char *data, int datalen); 274 void queue_command (packet_type *handler, char *data, int datalen);
243 MTH bool handle_command (); 275 MTH bool handle_command ();
… …
260 void send_packet_printf (const char *format, ...); 292 void send_packet_printf (const char *format, ...);
261 void send_packet (packet &sl); 293 void send_packet (packet &sl);
262 294
263 void send_drawinfo (const char *msg, int flags = NDI_BLACK); 295 void send_drawinfo (const char *msg, int flags = NDI_BLACK);
264 296
265 MTH bool must_send_face (faceidx facenum)
266 {
267 if (faces_sent[facenum])
268 return false;
269
270 faces_sent[facenum] = true;
271 return true;
272 }
273
274 MTH void send_face (faceidx facenum); 297 MTH void send_face (faceidx facenum, int pri = 0);
275 MTH void send_image (faceidx facenum);
276 MTH void send_faces (object *ob); 298 MTH void send_faces (object *ob);
277 MTH void send_animation (short anim_num); 299 MTH void send_animation (short anim_num);
278 void send_msg (int color, const char *type, const char *msg); 300 void send_msg (int color, const char *type, const char *msg);
279 301
302 MTH void play_sound (faceidx sound, int dx = 0, int dy = 0);
280 // called when something under the player changes 303 // called when something under the player changes
281 MTH void floorbox_update () { update_look = 1; } 304 MTH void floorbox_update () { update_look = 1; }
282 // called when the player has been moved 305 // called when the player has been moved
283 MTH void floorbox_reset () { look_position = 0; floorbox_update (); } 306 MTH void floorbox_reset () { look_position = 0; floorbox_update (); }
284 307
285 MTH void tick (); // called every server tick to do housekeeping etc. 308 MTH void tick (); // called every server tick to do housekeeping etc.
286 309
287 MTH static client *create (int fd, const char *peername); 310 MTH static client *create (int fd, const char *peername);
311 MTH static void clock ();
312 MTH static void flush_sockets ();
288 313
289protected: 314protected:
290 client (int fd, const char *from_ip); 315 client (int fd, const char *from_ip);
291 ~client (); 316 ~client ();
292}; 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
293 350
294#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ 351#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\
295 ( ((__type)>0) &&\ 352 ( ((__type)>0) &&\
296 ((__sockPtr)->has_readable_type) && \ 353 ((__sockPtr)->has_readable_type) && \
297 ((__sockPtr)->supported_readables & (1<<(__type))) ) 354 ((__sockPtr)->supported_readables & (1<<(__type))) )
298 355
299/* Constants in the form EMI_ is for extended map infos.
300 * Even if the client select the additionnal infos it wants
301 * on the map, there may exist cases where this whole info
302 * is not given in one buch but in separate bunches. This
303 * is done performance reasons (imagine some info related to
304 * a visible object and another info related to a 4 square
305 * width and height area). At the begin of an extended info packet
306 * is a bit field. A bit is activated for each extended info
307 * present in the data
308 */
309
310/* Meanings:
311 * EMI_NOREDRAW Take extended infos into account but don't redraw,
312 * some additionnal datas will follow in a new packet
313 * EMI_SMOOTH Datas about smoothing
314 */
315#define EMI_NOREDRAW 0x01
316#define EMI_SMOOTH 0x02
317
318/* this last one says the bitfield continue un next byte
319 * There may be several on contiguous bytes. So there is 7
320 * actual bits used per byte, and the number of bytes
321 * is not fixed in protocol
322 */
323#define EMI_HASMOREBITS 0x80
324
325#define FACE_TYPES 1 356#define FACE_TYPES 1
326#define PNG_FACE_INDEX 0 357#define PNG_FACE_INDEX 0
327 358
328#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */ 359#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
329#define VERSION_SC 1026 360#define VERSION_SC 1026
330//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible 361//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible
331#define VERSION_INFO "Crossfire TRT Server" 362#define VERSION_INFO "Deliantra Server"
332 363
333typedef object_vector<client, &client::active> sockvec; 364typedef object_vector<client, &client::active> sockvec;
334 365
335extern sockvec clients; 366extern sockvec clients;
336 367
337#define for_all_clients(var) \ 368#define for_all_clients(var) \
338 for (int _i = 0; _i < clients.size (); ++_i) \ 369 for (int _i = 0; _i < clients.size (); ++_i) \
339 statementvar (client *, var, clients [_i]) 370 statementvar (client *, var, clients [_i])
340 371
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}
378
341#endif 379#endif
342 380

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines