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Comparing deliantra/server/include/network.h (file contents):
Revision 1.2 by root, Fri Dec 15 20:07:02 2006 UTC vs.
Revision 1.17 by root, Sun Jul 29 19:11:47 2007 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 3 *
4 Copyright (C) 1992 Frank Tore Johansen 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) 2005, 2006 The Crossfire+ Development Team 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. 20 *
21
22 The authors can be reached via e-mail at crossfire.de 21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23*/ 22 */
24 23
25/* This file defines various flags that both the new client and 24/* This file defines various flags that both the new client and
26 * newserver uses. These should never be changed, only expanded. 25 * newserver uses. These should never be changed, only expanded.
27 * Changing them will likely cause all old clients to not work properly. 26 * Changing them will likely cause all old clients to not work properly.
28 * While called newclient, it is really used by both the client and 27 * While called newclient, it is really used by both the client and
… …
39 * more reliable, as both the client and server will definately be 38 * more reliable, as both the client and server will definately be
40 * talking about the same values. 39 * talking about the same values.
41 */ 40 */
42 41
43 42
44#ifndef NEWCLIENT_H 43#ifndef NETWORK_H
45#define NEWCLIENT_H 44#define NETWORK_H
46 45
47/* Maximum size of any packet we expect. Using this makes it so we don't need to 46#include <cstdarg>
48 * allocated and deallocated the same buffer over and over again and the price 47
49 * of using a bit of extra memory. It also makes the code simpler. 48/* Maximum size of any packet we expect.
50 * 49 *
51 * The size must be the same in the server and the client (stupid), and its also NOT 50 * The size must be the same in the server and the client (stupid).
52 * the maximum buffer size as one would expect, but the maximum buffer size + 1. 51 * TODO: make the actual network configurable per clietn and use 2**16.
53 */ 52 */
54#define MAXSOCKBUF 10240 53#define MAXSOCKBUF 10239
55
56 54
57#define CS_QUERY_YESNO 0x1 /* Yes/no question */ 55#define CS_QUERY_YESNO 0x1 /* Yes/no question */
58#define CS_QUERY_SINGLECHAR 0x2 /* Single character response expected */ 56#define CS_QUERY_SINGLECHAR 0x2 /* Single character response expected */
59#define CS_QUERY_HIDEINPUT 0x4 /* Hide input being entered */ 57#define CS_QUERY_HIDEINPUT 0x4 /* Hide input being entered */
60
61#define CS_SAY_NORMAL 0x1 /* Normal say command */
62#define CS_SAY_SHOUT 0x2 /* Text is shouted. */
63#define CS_SAY_GSAY 0x4 /* Text is group say command */
64 58
65/* These are multiplication values that should be used when changing 59/* These are multiplication values that should be used when changing
66 * floats to ints, and vice version. MULTI is integer representatin 60 * floats to ints, and vice version. MULTI is integer representatin
67 * (float to int), MULTF is float, for going from int to float. 61 * (float to int), MULTF is float, for going from int to float.
68 */ 62 */
… …
180#define NDI_BROWN 10 /* Sienna */ 174#define NDI_BROWN 10 /* Sienna */
181#define NDI_GOLD 11 175#define NDI_GOLD 11
182#define NDI_TAN 12 /* Khaki */ 176#define NDI_TAN 12 /* Khaki */
183 177
184#define NDI_MAX_COLOR 12 /* Last value in */ 178#define NDI_MAX_COLOR 12 /* Last value in */
185#define NDI_COLOR_MASK 0xff /* Gives lots of room for expansion - we are */ 179#define NDI_COLOR_MASK 0x1f /* Gives lots of room for expansion - we are */
186 /* using an int anyways, so we have the space */ 180 /* using an int anyways, so we have the space */
187 /* to still do all the flags */ 181 /* to still do all the flags */
188 182
183#define NDI_REPLY 0x20 // is a direct reply to a user command
184#define NDI_NOCREATE 0x40 // do not create a tba if one doesn't exist
185#define NDI_CLIENT_MASK 0x7f // what the client is allowed to see
189 186
190#define NDI_UNIQUE 0x100 /* Print this out immediately, don't buffer */ 187#define NDI_UNIQUE 0x1000 /* Print this out immediately, don't buffer */
191#define NDI_ALL 0x200 /* Inform all players of this message */ 188#define NDI_ALL 0x2000 /* Inform all players of this message */
189#define NDI_DEF 0x4000 // ignore colour for channel protocol
192 190
193/* Flags for the item command */ 191/* Flags for the item command */
194enum {a_none, a_readied, a_wielded, a_worn, a_active, a_applied}; 192enum {a_none, a_readied, a_wielded, a_worn, a_active, a_applied};
195#define F_APPLIED 0x000F 193#define F_APPLIED 0x000F
196#define F_LOCATION 0x00F0 194#define F_LOCATION 0x00F0
… …
263 data16 (const void *ptr, int len) : len (len), ptr (ptr) { } 261 data16 (const void *ptr, int len) : len (len), ptr (ptr) { }
264 data16 (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { } 262 data16 (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { }
265 data16 (const shstr &sh) : len (sh.length ()), ptr ((void *)&sh) { } 263 data16 (const shstr &sh) : len (sh.length ()), ptr ((void *)&sh) { }
266}; 264};
267 265
266struct ber32
267{
268 enum { size = 5 }; // maximum length of an encoded ber32
269 uint32 val;
270
271 ber32 (uint32 val) : val (val) { }
272
273 static int encoded_size (uint32 val)
274 {
275 if (val >= (1 << 7*4)) return 5;
276 if (val >= (1 << 7*3)) return 4;
277 if (val >= (1 << 7*2)) return 3;
278 if (val >= (1 << 7*1)) return 2;
279 return 1;
280 }
281};
282
268/* Contains the base information we use to make up a packet we want to send. */ 283/* Contains the base information we use to make up a packet we want to send. */
269struct packet 284struct packet
270{ 285{
271 enum { bufsize = MAXSOCKBUF }; 286 enum { bufsize = MAXSOCKBUF };
272 enum { hdrlen = 2 }; // keep this many bytes free at the front 287 enum { hdrlen = 2 }; // keep this many bytes free at the front
… …
274 // strategy: only check on variable-length adds 289 // strategy: only check on variable-length adds
275 // and allow 256 bytes for any headers. 290 // and allow 256 bytes for any headers.
276 uint8 *cur; 291 uint8 *cur;
277 uint8 buf_ [hdrlen + bufsize + 256]; 292 uint8 buf_ [hdrlen + bufsize + 256];
278 293
279 packet () { reset (); } 294 packet ()
295 {
296 reset ();
297 }
298
299 packet (const char *name);
280 300
281 uint8 operator [](unsigned int i) const { return buf_ [i + hdrlen]; } 301 uint8 operator [](unsigned int i) const { return buf_ [i + hdrlen]; }
282 uint8 &operator [](unsigned int i) { return buf_ [i + hdrlen]; } 302 uint8 &operator [](unsigned int i) { return buf_ [i + hdrlen]; }
283 303
284 uint8 *buf () { return buf_ + hdrlen; } 304 uint8 *buf () { return buf_ + hdrlen; }
… …
299 packet &operator <<(sint16 v) { return *this << (uint16)v; } 319 packet &operator <<(sint16 v) { return *this << (uint16)v; }
300 packet &operator <<(sint32 v) { return *this << (uint32)v; } 320 packet &operator <<(sint32 v) { return *this << (uint32)v; }
301 packet &operator <<(sint64 v) { return *this << (uint64)v; } 321 packet &operator <<(sint64 v) { return *this << (uint64)v; }
302 322
303 // checked 323 // checked
324 packet &operator <<(const ber32 v);
325
304 packet &operator <<(const data &v); 326 packet &operator <<(const data &v);
305 packet &operator <<(const data8 &v); 327 packet &operator <<(const data8 &v);
306 packet &operator <<(const data16 &v); 328 packet &operator <<(const data16 &v);
307 329
308 packet &operator <<(const char *v); 330 packet &operator <<(const char *v);
309 packet &operator <<(const shstr &sh) { return *this << data (&sh, sh.length ()); } 331 packet &operator <<(const shstr &sh) { return *this << data (&sh, sh.length ()); }
332 packet &operator <<(const std::string &s) { return *this << data (s.data (), s.size ()); }
310 333
334 void vprintf (const char *format, va_list ap);
335
311 void printf (const char *format, ...); 336 void printf (const char *format, ...)
337 {
338 va_list ap;
339 va_start (ap, format);
340 vprintf (format, ap);
341 va_end (ap);
342 }
312}; 343};
313 344
314inline uint16 net_uint16 (uint8 *data) { return (data [0] << 8) | data [1]; } 345inline uint16 net_uint16 (uint8 *data) { return (data [0] << 8) | data [1]; }
315inline uint32 net_uint32 (uint8 *data) { return (net_uint16 (data) << 16) | net_uint16 (data + 2); } 346inline uint32 net_uint32 (uint8 *data) { return (net_uint16 (data) << 16) | net_uint16 (data + 2); }
316inline sint16 net_sint16 (uint8 *data) { return sint16 (net_uint16 (data)); } 347inline sint16 net_sint16 (uint8 *data) { return sint16 (net_uint16 (data)); }
317inline sint16 net_sint32 (uint8 *data) { return sint32 (net_uint32 (data)); } 348inline sint16 net_sint32 (uint8 *data) { return sint32 (net_uint32 (data)); }
318 349
319struct CS_Stats
320{
321 int ibytes; /* ibytes, obytes are bytes in, out */
322 int obytes;
323 short max_conn; /* Maximum connections received */
324 time_t time_start; /* When we started logging this */
325};
326
327extern CS_Stats cst_tot, cst_lst;
328
329#endif 350#endif
330 351

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