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Comparing deliantra/server/include/client.h (file contents):
Revision 1.50 by root, Fri Apr 27 02:43:04 2007 UTC vs.
Revision 1.66 by root, Mon Jul 30 02:03:02 2007 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game for the X Window System 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * Crossfire TRT 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 2 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,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 * 20 *
22 * The author can be reached via e-mail to crossfire@schmorp.de 21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23 */ 22 */
24 23
25#ifndef CLIENT_H 24#ifndef CLIENT_H
26#define CLIENT_H 25#define CLIENT_H
27 26
28#include <deque> 27#include <deque>
29#include <bitset> 28#include <bitset>
30#include <tr1/unordered_set> 29#include <tr1/unordered_set>
30
31#if HAVE_TCP_INFO
32# include <netinet/tcp.h>
33#else
34 struct tcpi_info {
35 // dummy
36 char tcpi_state;
37 char tcpi_ca_state;
38 char tcpi_retransmits;
39 char tcpi_probes;
40 char tcpi_backoff;
41 char tcpi_options;
42 char tcpi_snd_wscale;
43 char tcpi_rcv_wscale;
44 char tcpi_rto;
45 char tcpi_ato;
46 char tcpi_snd_mss;
47 char tcpi_rcv_mss;
48 char tcpi_unacked;
49 char tcpi_sacked;
50 char tcpi_lost;
51 char tcpi_retrans;
52 char tcpi_fackets;
53 char tcpi_last_data_sent;
54 char tcpi_last_ack_sent;
55 char tcpi_last_data_recv;
56 char tcpi_last_ack_recv;
57 char tcpi_pmtu;
58 char tcpi_rcv_ssthresh;
59 char tcpi_rtt;
60 char tcpi_rttvar;
61 char tcpi_snd_ssthresh;
62 char tcpi_snd_cwnd;
63 char tcpi_advmss;
64 char tcpi_reordering;
65 };
66#endif
31 67
32// (possibly) max. number of objects "per page" in the ground container 68// (possibly) max. number of objects "per page" in the ground container
33#define FLOORBOX_PAGESIZE 50 69#define FLOORBOX_PAGESIZE 50
34 70
35struct MapCell 71struct MapCell
86 PF_PLAYING = 0x02, // must be in playing state 122 PF_PLAYING = 0x02, // must be in playing state
87 PF_COMMAND0 = 0x04, // command starts at offset 0 123 PF_COMMAND0 = 0x04, // command starts at offset 0
88 PF_COMMAND6 = 0x08, // command starts at offset 6 124 PF_COMMAND6 = 0x08, // command starts at offset 6
89}; 125};
90 126
127// face type.s bit 0 means "has meta info prepended"
128enum {
129 FT_FACE = 0 * 2 + 0, // faces (images)
130 FT_MUSIC = 1 * 2 + 1, // background music
131 FT_SOUND = 2 * 2 + 1, // effects
132 FT_RSRC = 3 * 2 + 0, // generic data files
133 FT_NUM,
134};
135
91struct packet_type 136struct packet_type
92{ 137{
93 const char *name; 138 const char *name;
94 void *cb; 139 void *cb;
95 int flags; 140 int flags;
115struct client : zero_initialised, attachable 160struct client : zero_initialised, attachable
116{ 161{
117 int ACC (RW, fd); 162 int ACC (RW, fd);
118 unsigned int inbuf_len; // number of bytes valid in inbuf 163 unsigned int inbuf_len; // number of bytes valid in inbuf
119 statsinfo stats; 164 statsinfo stats;
120 int ACC (RO, active); 165 object_vector_index ACC (RO, active);
166 player_ptr ACC (RO, pl);
121 167
122 /* The following is the setup for a ring buffer for storing output 168 /* The following is the setup for a ring buffer for storing output
123 * data that the OS can't handle right away. 169 * data that the OS can't handle right away.
124 */ 170 */
125 struct 171 struct
155 bool ACC (RW, sent_scroll); 201 bool ACC (RW, sent_scroll);
156 bool ACC (RW, sound); /* does the client want sound */ 202 bool ACC (RW, sound); /* does the client want sound */
157 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ 203 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */
158 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */ 204 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */
159 bool ACC (RW, mapinfocmd); // return map info and send map change info 205 bool ACC (RW, mapinfocmd); // return map info and send map change info
160 bool ACC (RW, extcmd); // call into extensions/plugins 206 uint8_t ACC (RW, extcmd); // call into extensions/plugins
161 bool ACC (RW, extmap); // extend map comamnd with extra data 207 bool ACC (RW, extmap); // extend map comamnd with extra data
162 bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls 208 bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls
163 bool ACC (RW, darkness); /* True if client wants darkness information */ 209 bool ACC (RW, darkness); /* True if client wants darkness information */
164 bool ACC (RW, image2); /* Client wants image2/face2 commands */ 210 bool ACC (RW, image2); /* Client wants image2/face2 commands */
165 bool ACC (RW, fxix); // client implements fx and ix (face|image extended) commands 211 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 */ 212 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 */ 213 bool ACC (RW, has_readable_type); /* If true client accept additional text information */
168 /* used to arrange text in books, scrolls, or scripted dialogs */ 214 /* 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 */ 215 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 */ 216 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */
187 region *ACC (RW, current_region); // CF+ last/current player region 233 region *ACC (RW, current_region); // CF+ last/current player region
188 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position 234 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position
189 shstr ACC (RW, version); // CF+ client name/version 235 shstr ACC (RW, version); // CF+ client name/version
190 uint8 ACC (RW, faceset); // CF+ selected faceset 236 uint8 ACC (RW, faceset); // CF+ selected faceset
191 237
192 player_ptr ACC (RO, pl); 238 tstamp ACC (RW, last_send); // last data send on socket.
193
194 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */
195 239
196 int ACC (RW, rate_avail); // current rate balance 240 int ACC (RW, rate_avail); // current rate balance
197 int ACC (RW, max_rate); // max. # of bytes to send per tick 241 int ACC (RW, max_rate); // max. # of bytes to send per tick
198 faceidx ACC (RW, scrub_idx); // which face to send next 242 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 243 int ACC (RW, bg_scrub); // how many ticks till the next background face send
200 244
201 faceidx partial_face; 245 struct tcp_info tcpi;
202 uint32 partial_face_ofs; // if != 0, need to send remaining bytes of partial_face 246 tstamp next_rate_adjust;
203 std::vector<faceidx, slice_allocator<faceidx> > askface; // which faces have been requested by the client 247#if FOR_PERL
248 // unfortunately, this emans that we *require* tcp_info now...
249 ACC (RW, tcpi.tcpi_state);
250 ACC (RW, tcpi.tcpi_ca_state);
251 ACC (RW, tcpi.tcpi_retransmits);
252 ACC (RW, tcpi.tcpi_probes);
253 ACC (RW, tcpi.tcpi_backoff);
254 ACC (RW, tcpi.tcpi_options);
255 ACC (RO, tcpi.tcpi_snd_wscale);
256 ACC (RO, tcpi.tcpi_rcv_wscale);
257 ACC (RW, tcpi.tcpi_rto);
258 ACC (RW, tcpi.tcpi_ato);
259 ACC (RW, tcpi.tcpi_snd_mss);
260 ACC (RW, tcpi.tcpi_rcv_mss);
261 ACC (RW, tcpi.tcpi_unacked);
262 ACC (RW, tcpi.tcpi_sacked);
263 ACC (RW, tcpi.tcpi_lost);
264 ACC (RW, tcpi.tcpi_retrans);
265 ACC (RW, tcpi.tcpi_fackets);
266 ACC (RW, tcpi.tcpi_last_data_sent);
267 ACC (RW, tcpi.tcpi_last_ack_sent);
268 ACC (RW, tcpi.tcpi_last_data_recv);
269 ACC (RW, tcpi.tcpi_last_ack_recv);
270 ACC (RW, tcpi.tcpi_pmtu);
271 ACC (RW, tcpi.tcpi_rcv_ssthresh);
272 ACC (RW, tcpi.tcpi_rtt);
273 ACC (RW, tcpi.tcpi_rttvar);
274 ACC (RW, tcpi.tcpi_snd_ssthresh);
275 ACC (RW, tcpi.tcpi_snd_cwnd);
276 ACC (RW, tcpi.tcpi_advmss);
277 ACC (RW, tcpi.tcpi_reordering);
278#endif
204 279
280 struct ixsend {
281 int16_t pri; // unused
282 faceidx idx;
283 uint32_t ofs; // if != 0, need to send remaining bytes of partial_face
284 };
285 std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix
286
205 std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx 287 std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx
206 MTH void flush_fx (); // send fx if required 288 MTH void flush_fx (); // send fx if required
207 289
208 void do_destroy (); 290 void do_destroy ();
209 void gather_callbacks (AV *&callbacks, event_type event) const; 291 void gather_callbacks (AV *&callbacks, event_type event) const;
210 292
215 297
216 // large structures at the end please 298 // large structures at the end please
217 struct Map lastmap; 299 struct Map lastmap;
218 std::bitset<MAXANIMNUM> anims_sent; 300 std::bitset<MAXANIMNUM> anims_sent;
219 std::bitset<MAX_FACES> faces_sent; 301 std::bitset<MAX_FACES> faces_sent;
302 std::bitset<FT_NUM> fx_want;
220 303
221 // if we get an incomplete packet, this is used to hold the data. 304 // if we get an incomplete packet, this is used to hold the data.
222 // we add 2 byte for the header, one for the trailing 0 byte 305 // we add 2 byte for the header, one for the trailing 0 byte
223 uint8 inbuf[MAXSOCKBUF + 2 + 1]; 306 uint8 inbuf[MAXSOCKBUF + 2 + 1];
224 307
256 void send_packet (const char *buf, int len); 339 void send_packet (const char *buf, int len);
257 void send_packet_printf (const char *format, ...); 340 void send_packet_printf (const char *format, ...);
258 void send_packet (packet &sl); 341 void send_packet (packet &sl);
259 342
260 void send_drawinfo (const char *msg, int flags = NDI_BLACK); 343 void send_drawinfo (const char *msg, int flags = NDI_BLACK);
344
261 MTH void send_face (faceidx facenum); 345 MTH void send_face (faceidx facenum, int pri = 0);
262 MTH void send_image (faceidx facenum); 346 MTH void send_image (faceidx facenum);
263 MTH void send_faces (object *ob); 347 MTH void send_faces (object *ob);
264 MTH void send_animation (short anim_num); 348 MTH void send_animation (short anim_num);
265 MTH void send_msg (int color, const char *type, const char *msg); 349 void send_msg (int color, const char *type, const char *msg);
266 350
351 MTH void play_sound (faceidx sound, int dx = 0, int dy = 0);
267 // called when something under the player changes 352 // called when something under the player changes
268 MTH void floorbox_update () { update_look = 1; } 353 MTH void floorbox_update () { update_look = 1; }
269 // called when the player has been moved 354 // called when the player has been moved
270 MTH void floorbox_reset () { look_position = 0; floorbox_update (); } 355 MTH void floorbox_reset () { look_position = 0; floorbox_update (); }
271 356
272 MTH void tick (); // called every server tick to do housekeeping etc. 357 MTH void tick (); // called every server tick to do housekeeping etc.
273 358
274 MTH static client *create (int fd, const char *peername); 359 MTH static client *create (int fd, const char *peername);
360 MTH static void clock ();
361 MTH static void flush_sockets ();
275 362
276protected: 363protected:
277 client (int fd, const char *from_ip); 364 client (int fd, const char *from_ip);
278 ~client (); 365 ~client ();
279}; 366};
313#define PNG_FACE_INDEX 0 400#define PNG_FACE_INDEX 0
314 401
315#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */ 402#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
316#define VERSION_SC 1026 403#define VERSION_SC 1026
317//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible 404//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible
318#define VERSION_INFO "Crossfire+ Server" 405#define VERSION_INFO "Crossfire TRT Server"
319 406
320typedef object_vector<client, &client::active> sockvec; 407typedef object_vector<client, &client::active> sockvec;
321 408
322extern sockvec clients; 409extern sockvec clients;
323 410
324#define for_all_clients(var) \ 411#define for_all_clients(var) \
325 for (int _i = 0; _i < clients.size (); ++_i) \ 412 for (int _i = 0; _i < clients.size (); ++_i) \
326 declvar (client *, var, clients [_i]) 413 statementvar (client *, var, clients [_i])
327 414
328#endif 415#endif
329 416

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