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Comparing deliantra/server/include/client.h (file contents):
Revision 1.15 by root, Thu Dec 21 23:37:05 2006 UTC vs.
Revision 1.110 by root, Fri Nov 9 00:11:49 2012 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for the X Window System 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 3 *
4 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 Copyright (C) 1992 Frank Tore Johansen 5 *
6 6 * Deliantra is free software: you can redistribute it and/or modify it under
7 This program is free software; you can redistribute it and/or modify
8 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
9 the Free Software Foundation; either version 2 of the License, or 8 * Free Software Foundation, either version 3 of the License, or (at your
10 (at your option) any later version. 9 * option) any later version.
11 10 *
12 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,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details. 14 * GNU General Public License for more details.
16 15 *
17 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
18 along with this program; if not, write to the Free Software 17 * and the GNU General Public License along with this program. If not, see
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18 * <http://www.gnu.org/licenses/>.
20 19 *
21 The author 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#if HAVE_TCP_INFO
28#include <bitset> 27# include <netinet/tcp.h>
29#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
30 64
31// (possibly) max. number of objects "per page" in the ground container 65// (possibly) max. number of objects "per page" in the ground container
32#define FLOORBOX_PAGESIZE 50 66#define FLOORBOX_PAGESIZE 50
33 67
34struct MapCell 68struct MapCell
35{ 69{
36 UUID 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
37 int count; /* This is really darkness in the map1 command */ 71 int count; /* This is really darkness in the map1 command */
38 uint16 faces[MAP_LAYERS]; 72 faceidx faces[MAP_LAYERS];
39 uint16 smooth[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;
75 uint8_t smooth[MAP_LAYERS];
42}; 76};
43 77
44/* This basically defines the largest size an
45 * archetype may be - it is used for allocation of
46 * some structures, as well as determining how far
47 * we should look for the heads of big images.
48 */
49#define MAX_HEAD_OFFSET 8
50
51#define MAX_CLIENT_X (MAP_CLIENT_X + MAX_HEAD_OFFSET) 78#define MAX_CLIENT_X MAP_CLIENT_X
52#define MAX_CLIENT_Y (MAP_CLIENT_Y + MAX_HEAD_OFFSET) 79#define MAX_CLIENT_Y MAP_CLIENT_Y
53 80
54struct Map 81struct Map
55{ 82{
56 struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y]; 83 struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y];
57}; 84};
58 85
59/* True max is 16383 given current map compaction method */ 86/* True max is 16383 given current map compaction method */
60# define MAXANIMNUM 2000 87#define MAXANIMNUM 10000
61 88
62struct statsinfo 89struct statsinfo
63{ 90{
64 char *range, *title; 91 char *range, *title;
65};
66
67/* This contains basic information on the socket structure. status is its
68 * current state. we set up our on buffers for sending/receiving, so we can
69 * handle some higher level functions. fd is the actual file descriptor we
70 * are using.
71 */
72
73/* Only one map mode can actually be used, so lets make it a switch
74 * instead of having a bunch of different fields that needed to
75 * get toggled.
76 */
77enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 };
78
79/* The following is the setup for a ring buffer for storing output
80 * data that the OS can't handle right away.
81 */
82
83struct Buffer
84{
85 char data[SOCKETBUFSIZE];
86 int start;
87 int len;
88}; 92};
89 93
90// states the socket can be in 94// states the socket can be in
91enum { 95enum {
92 ST_DEAD, // socket is dead 96 ST_DEAD, // socket is dead
93 ST_SETUP, // initial handshake / setup / login 97 ST_SETUP, // initial handshake / setup / login
94 ST_PLAYING, // logged in an playing 98 ST_PLAYING, // logged in an playing
95 ST_CUSTOM, // waiting for custom reply 99 ST_CUSTOM, // waiting for custom reply
96 100
97 ST_PLAY_AGAIN,
98 ST_ROLL_STAT,
99 ST_CHANGE_CLASS,
100 ST_CONFIRM_QUIT,
101 ST_CONFIGURE,
102 ST_GET_NAME,
103 ST_GET_PASSWORD,
104 ST_CONFIRM_PASSWORD,
105 ST_GET_PARTY_PASSWORD, 101 ST_GET_PARTY_PASSWORD,
106}; 102};
107 103
108// a handler for a specific type of packet 104// a handler for a specific type of packet
109enum { 105enum {
110 PF_PLAYER = 0x01, // must have valid player / will by synchronised 106 PF_PLAYER = 0x01, // must have valid player / will by synchronised
111 PF_PLAYING = 0x02, // must be in playing state 107 PF_PLAYING = 0x02, // must be in playing state
108 PF_COMMAND0 = 0x04, // command starts at offset 0
109 PF_COMMAND6 = 0x08, // command starts at offset 6
110};
111
112// face types. bit 0 means "has meta info prepended"
113enum {
114 FT_FACE = 0 * 2 + 0, // faces (images)
115 FT_MUSIC = 1 * 2 + 1, // background music
116 FT_SOUND = 2 * 2 + 1, // effects
117 FT_RSRC = 3 * 2 + 0, // generic data files
118 FT_NUM,
112}; 119};
113 120
114struct packet_type 121struct packet_type
115{ 122{
116 const char *name; 123 const char *name;
… …
122{ 129{
123 tstamp stamp; 130 tstamp stamp;
124 const packet_type *handler; 131 const packet_type *handler;
125 char *data; 132 char *data;
126 int datalen; 133 int datalen;
127
128 ~command ()
129 {
130 sfree<char> (data, datalen + 1);
131 }
132}; 134};
133 135
134struct refitem 136//-GPL
135{
136 object_ptr op;
137};
138
139// this represents a container on the client side.
140// right now, there are only ever two of them:
141// the inventory and the floor/open container
142//TODO: unused as of yet
143struct client_container : vector< refitem, slice_allocator<refitem> >
144{
145 client *ns;
146 enum { CC_NONE, CC_INVENTORY, CC_MAPSPACE, CC_CONTAINER } type;
147
148 bool item_changed; // one of the items in here possibly changed
149
150 // for mapspace and container
151 int x, y;
152 maptile *map;
153
154 // for container
155 object *env;
156
157 client_container (client *ns)
158 : ns (ns), type (CC_NONE) { }
159
160 tag_t tag () const;
161
162 inline iterator merge_item (iterator i, object *op);
163
164 void clear ();
165 void update ();
166
167 void set_mapspace (maptile *map, int x, int y);
168 void set_container (object *env);
169};
170 137
171/* how many times we are allowed to give the wrong password before being kicked. */ 138/* how many times we are allowed to give the wrong password before being kicked. */
172#define MAX_PASSWORD_FAILURES 5 139#define MAX_PASSWORD_FAILURES 5
173 140
141/* This contains basic information on the socket connection. status is its
142 * current state. we set up our on buffers for sending/receiving, so we can
143 * handle some higher level functions. fd is the actual file descriptor we
144 * are using.
145 */
174ACC_CLASS (client) // should become player when newsocket is a baseclass of player 146INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player
175struct client : zero_initialised, attachable<client> 147struct client : zero_initialised, attachable
176{ 148{
177 int ACC (RW, fd); 149 int ACC (RW, fd);
178 unsigned int inbuf_len; // number of bytes valid in inbuf 150 unsigned int inbuf_len; // number of bytes valid in inbuf
179 uint8 *faces_sent; // This is a bitmap on sent face status 151 statsinfo stats;
180 statsinfo stats; 152 object_vector_index ACC (RO, active);
181 153 player_ptr ACC (RO, pl);
182 client_container cc_inv, cc_other;
183 Buffer outputbuffer;
184 154
185 char *ACC (RW, host); /* Which host it is connected from (ip address) */ 155 char *ACC (RW, host); /* Which host it is connected from (ip address) */
186 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ 156 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */
187 uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */
188 157
189 bool ACC (RW, facecache); /* If true, client is caching images */ 158 sint8 ACC (RW, last_level); /* Last level we sent to client */
159 uint16 ACC (RW, last_flags); /* fire/run on flags for last tick */
160 float ACC (RW, last_weapon_sp); /* if diff than weapon_sp, update client */
161 sint32 ACC (RW, last_weight); /* Last weight as sent to client; -1 means do not send weight */
162 sint32 ACC (RW, last_weight_limit); /* Last weight limit transmitted to client */
163 uint32 ACC (RW, last_path_attuned); /* Last spell attunment sent to client */
164 uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */
165 uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */
166 living ACC (RO, last_stats); /* Last stats as sent to client */
167 float ACC (RW, last_speed); /* Last speed as sent to client */
168 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */
169 sint64 ACC (RW, last_skill_exp[CS_NUM_SKILLS]);/* shadow register. if != exp. obj update client */
170
171 bool ACC (RW, afk); /* player is afk */
190 bool ACC (RW, sent_scroll); 172 bool ACC (RW, sent_scroll);
191 bool ACC (RW, sound); /* does the client want sound */ 173 bool ACC (RW, sound); /* does the client want sound */
192 bool ACC (RW, exp64); /* Client wants 64 bit exp data, as well as skill data */ 174 bool ACC (RW, bumpmsg); /* give message when bumping into walls */
193 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ 175
194 bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */ 176 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */
195 bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */ 177 bool ACC (RW, mapinfocmd); // return map info and send map change info
196 bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */ 178 uint8_t ACC (RW, extcmd); // call into extensions/plugins
197 bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */ 179 bool ACC (RW, need_delinv0); /* If true, we need to delinv 0 before sending new floorbox */
198 bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */ 180
199 bool ACC (RW, darkness); /* True if client wants darkness information */
200 bool ACC (RW, image2); /* Client wants image2/face2 commands */
201 bool ACC (RW, update_look); /* If true, we need to send the look window */ 181 bool ACC (RW, update_look); /* If true, we need to send the look window */
182 bool ACC (RW, update_spells); // If true, we need to esrv_update_spells
202 bool ACC (RW, has_readable_type); /* If true client accept additional text information */ 183 bool ACC (RW, has_readable_type); /* If true client accept additional text information */
203 /* used to arrange text in books, scrolls, or scripted dialogs */
204 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ 184 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */
205 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */
206 /* Below are flags for extedend infos to pass to client
207 * with S->C mapextended command */
208 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
209 185
210 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ 186 bool ACC (RW, smoothing); // deliantra-style smoothing
211 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ 187 bool ACC (RW, force_newmap); // force a newmap before next map update
212 enum MapMode mapmode; /* Type of map commands the client wants. */
213 uint16 ACC (RW, look_position); /* start of drawing of look window */ 188 uint16 ACC (RW, look_position); /* start of drawing of look window */
189 uint16 ACC (RW, mss); // likely tcp maximum segment size
214 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ 190 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */
215 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ 191 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */
216 uint8 ACC (RW, faceset); /* Set the client is using, default 0 */ 192 uint8 ACC (RW, faceset); // CF+ selected faceset
193 uint8 ACC (RW, ws_version); // websocket protocol versio for framing
217 194
218 maptile *ACC (RW, current_map); // CF+ last/current player map 195 maptile_ptr ACC (RW, current_map); // CF+ last/current player map
196 region_ptr ACC (RW, current_region); // CF+ last/current player region
219 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position 197 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position
220 char ACC (RW, version)[64]; // CF+ client name/version
221 198
222 player *ACC (RO, pl);//TODO should not be here, preferably 199 tstamp ACC (RW, last_send); // last data send on socket.
223 200
224 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ 201 float ACC (RW, socket_timeout); /* after how many seconds of no ack do we declare dead */
202 int ACC (RW, rate_avail); // current rate balance
203 int ACC (RW, max_rate); // max. # of bytes to send per tick
204 faceidx ACC (RW, scrub_idx); // which face to send next
205 int ACC (RW, bg_scrub); // how many ticks till the next background face send
225 206
226 client (int fd, const char *from_ip); 207 struct tcp_info tcpi;
227 ~client (); 208 tstamp next_rate_adjust;
209
210 // websocket frame buffer
211 uint8 ws_inbuf_type; // current frame type
212 uint8 *ws_inbuf;
213 uint32 ws_inbuf_len;
214 uint32 ws_inbuf_alloc;
215
216 unordered_vector<char *> mapinfo_queue;
217 void mapinfo_queue_clear ();
218 void mapinfo_queue_run ();
219 bool mapinfo_try (char *buf);
220
221 struct ixsend {
222 int16_t pri; // higher means faces are sent earlier, default 0
223 faceidx idx;
224 uint32_t ofs; // if != 0, need to send remaining bytes of partial_face
225 refcnt_buf data;
226 };
227 std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix
228
229 std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx
230 MTH void flush_fx (); // send fx if required
231
232 MTH void invalidate_face (faceidx idx);
233 MTH void invalidate_all_faces ();
234
228 void destroy (); 235 void do_destroy ();
229 bool destroyed () const { return state == ST_DEAD; } 236 void gather_callbacks (AV *&callbacks, event_type event) const;
230 237
231 iw cmd_ev; void cmd_cb (iw &w);
232 iow socket_ev; void socket_cb (iow &w, int got); 238 iow socket_ev; void socket_cb (iow &w, int revents);
233 239
234 std::deque< command, slice_allocator<command> > cmd_queue; 240 std::deque< command, slice_allocator<command> > cmd_queue;
235 241
236 // large structures at the end please 242 // large structures at the end please
237 struct Map lastmap; 243 struct Map lastmap;
238 std::bitset<MAXANIMNUM> anims_sent; 244 std::bitset<MAXANIMNUM> anims_sent;
245 std::bitset<MAX_FACES> faces_sent;
246 std::bitset<FT_NUM> fx_want;
247
239 // if we get an incomplete packet, this is used to hold the data. 248 // if we get an incomplete packet, this is used to hold the data.
240 // we add 2 byte for the header, one for the trailing 0 byte 249 // we add 2 byte for the header, one for the trailing 0 byte
241 uint8 inbuf[MAXSOCKBUF + 2 + 1]; 250 uint8 inbuf[MAXSOCKBUF + 2 + 1];
251 void inbuf_handle ();
252
253 enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 };
254 struct msg_buf
255 {
256 tick_t expire;
257 int len;
258 int count;
259 char msg[MSG_BUF_SIZE];
260 } msgbuf[MSG_BUF_COUNT];
261
262 MTH bool msg_suppressed (const_utf8_string msg);
263
264 /* The following is the setup for a ring buffer for storing output
265 * data that the OS can't handle right away.
266 * TODO: this member is enourmously large - optimise?
267 */
268 struct
269 {
270 char data[SOCKETBUFSIZE];
271 int start;
272 int len;
273 } outputbuffer;
242 274
243 bool may_execute (const packet_type *pkt) const; 275 bool may_execute (const packet_type *pkt) const;
244 void execute (const packet_type *pkt, char *data, int datalen); 276 void execute (const packet_type *pkt, char *data, int datalen);
245 277
246 void queue_command (packet_type *handler, char *data, int datalen); 278 void queue_command (packet_type *handler, char *data, int datalen);
247 bool handle_command (); 279 MTH bool handle_command ();
248 // resets movement state 280 // resets movement state
249 void reset_state (); 281 MTH void reset_state ();
282 // resets variable data used to send stat diffs
283 MTH void reset_stats ();
250 284
251 bool handle_packet (); 285 MTH bool handle_packet ();
252 int next_packet (); // returns length of packet or 0 286 int next_packet (); // returns length of packet or 0
253 void skip_packet (int len); // we have processed the packet, skip it 287 void skip_packet (int len); // we have processed the packet, skip it
254 288
255 void flush (); 289 MTH void flush ();
256 void write_outputbuffer (); 290 MTH void write_outputbuffer ();
291 MTH int outputbuffer_len () const { return outputbuffer.len; }
292 void send_raw (void *buf_, int len);
293
257 void send (void *buf_, int len); 294 void send (void *buf_, int len);
258
259 void send_packet (const char *buf); 295 void send_packet (const_octet_string buf);
260 void send_packet (const char *buf, int len); 296 void send_packet (const_octet_string buf, int len);
261 void send_packet_printf (const char *format, ...); 297 void send_packet_printf (const_utf8_string format, ...) attribute ((format (printf, 2, 3)));
262 void send_packet (packet &sl); 298 void send_packet (packet &sl);
263 299
300 void send_drawinfo (const_utf8_string msg, int flags = NDI_BLACK);
301
302 MTH void send_face (faceidx facenum, int pri = 0);
303 MTH void send_faces (object *ob);
304 MTH void send_animation (short anim_num);
305 void send_msg (int color, const_utf8_string type, const_utf8_string msg);
306
307 MTH void play_sound (faceidx sound, int dx = 0, int dy = 0);
264 // called when something under the player changes 308 // called when something under the player changes
265 void floorbox_update () { update_look = 1; } 309 MTH void floorbox_update () { update_look = 1; }
266 // called when the player has been moved 310 // called when the player has been moved
267 void floorbox_reset () { look_position = 0; floorbox_update (); } 311 MTH void floorbox_reset () { look_position = 0; floorbox_update (); }
268 312
313 MTH void tick (); // called every server tick to do housekeeping etc.
314
269 static client *create (int fd, const char *peername); 315 MTH static client *create (int fd, const char *peername);
270}; 316 MTH static void clock ();
317 MTH static void flush_sockets ();
271 318
272#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ 319 MTH void run (); // start handshake after init
273 ( ((__type)>0) &&\
274 ((__sockPtr)->has_readable_type) && \
275 ((__sockPtr)->supported_readables & (1<<(__type))) )
276 320
277/* Bitmask for the faces_sent[] array - what 321protected:
278 * portion of the face have we sent? 322 client (int fd, const char *from_ip);
279 */ 323 ~client ();
280#define NS_FACESENT_FACE 0x1 324};
281#define NS_FACESENT_SMOOTH 0x2
282 325
283/* Constants in the form EMI_ is for extended map infos. 326#if FOR_PERL
284 * Even if the client select the additionnal infos it wants 327 ACC (RW, tcpi.tcpi_state);
285 * on the map, there may exist cases where this whole info 328 ACC (RW, tcpi.tcpi_ca_state);
286 * is not given in one buch but in separate bunches. This 329 ACC (RW, tcpi.tcpi_retransmits);
287 * is done performance reasons (imagine some info related to 330 ACC (RW, tcpi.tcpi_probes);
288 * a visible object and another info related to a 4 square 331 ACC (RW, tcpi.tcpi_backoff);
289 * width and height area). At the begin of an extended info packet 332 ACC (RW, tcpi.tcpi_options);
290 * is a bit field. A bit is activated for each extended info 333 ACC (RO, tcpi.tcpi_snd_wscale);
291 * present in the data 334 ACC (RO, tcpi.tcpi_rcv_wscale);
292 */ 335 ACC (RW, tcpi.tcpi_rto);
336 ACC (RW, tcpi.tcpi_ato);
337 ACC (RW, tcpi.tcpi_snd_mss);
338 ACC (RW, tcpi.tcpi_rcv_mss);
339 ACC (RW, tcpi.tcpi_unacked);
340 ACC (RW, tcpi.tcpi_sacked);
341 ACC (RW, tcpi.tcpi_lost);
342 ACC (RW, tcpi.tcpi_retrans);
343 ACC (RW, tcpi.tcpi_fackets);
344 ACC (RW, tcpi.tcpi_last_data_sent);
345 ACC (RW, tcpi.tcpi_last_ack_sent);
346 ACC (RW, tcpi.tcpi_last_data_recv);
347 ACC (RW, tcpi.tcpi_last_ack_recv);
348 ACC (RW, tcpi.tcpi_pmtu);
349 ACC (RW, tcpi.tcpi_rcv_ssthresh);
350 ACC (RW, tcpi.tcpi_rtt);
351 ACC (RW, tcpi.tcpi_rttvar);
352 ACC (RW, tcpi.tcpi_snd_ssthresh);
353 ACC (RW, tcpi.tcpi_snd_cwnd);
354 ACC (RW, tcpi.tcpi_advmss);
355 ACC (RW, tcpi.tcpi_reordering);
356#endif
293 357
294/* Meanings: 358typedef object_vector<client, &client::active> sockvec;
295 * EMI_NOREDRAW Take extended infos into account but don't redraw,
296 * some additionnal datas will follow in a new packet
297 * EMI_SMOOTH Datas about smoothing
298 */
299#define EMI_NOREDRAW 0x01
300#define EMI_SMOOTH 0x02
301
302/* this last one says the bitfield continue un next byte
303 * There may be several on contiguous bytes. So there is 7
304 * actual bits used per byte, and the number of bytes
305 * is not fixed in protocol
306 */
307#define EMI_HASMOREBITS 0x80
308
309#define FACE_TYPES 1
310#define PNG_FACE_INDEX 0
311
312#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
313#define VERSION_SC 1027
314#define VERSION_INFO "Crossfire+ Server"
315
316typedef unordered_vector<client *> sockvec;
317 359
318extern sockvec clients; 360extern sockvec clients;
319extern int nrofpixmaps; //TODO: hrmpf, should go 361
362#define for_all_clients(var) \
363 for (int _i = 0; _i < clients.size (); ++_i) \
364 statementvar (client *, var, clients [_i])
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}
320 372
321#endif 373#endif
322 374

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