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Comparing deliantra/server/socket/lowlevel.C (file contents):
Revision 1.58 by root, Sat Sep 8 06:57:08 2007 UTC vs.
Revision 1.74 by root, Wed Nov 11 04:45:23 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 (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 1992,2007 Frank Tore Johansen
6 * 5 *
7 * 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
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 3 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, 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/>.
19 * 19 *
20 * 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>
21 */ 21 */
22 22
23using namespace std; 23using namespace std;
24 24
25#include <global.h> 25#include <global.h>
… …
62 } 62 }
63 else 63 else
64 return; 64 return;
65 } 65 }
66 66
67 if (socket_ev.poll () & PE_W) 67 if (socket_ev.poll () & EV_WRITE)
68 return; 68 return;
69 69
70 last_send = NOW; 70 last_send = NOW;
71 write_outputbuffer (); 71 write_outputbuffer ();
72} 72}
… …
99 // just retry 99 // just retry
100 } 100 }
101 else if (errno == EAGAIN) 101 else if (errno == EAGAIN)
102 { 102 {
103 // delay till ready 103 // delay till ready
104 socket_ev.poll (socket_ev.poll () | PE_W); 104 socket_ev.poll (socket_ev.poll () | EV_WRITE);
105 socket_ev.start (); 105 socket_ev.start ();
106 return; 106 return;
107 } 107 }
108 else 108 else
109 { 109 {
… …
111 destroy (); 111 destroy ();
112 return; 112 return;
113 } 113 }
114 } 114 }
115 115
116 socket_ev.poll (socket_ev.poll () & ~PE_W); 116 socket_ev.poll (socket_ev.poll () & ~EV_WRITE);
117} 117}
118 118
119/****************************************************************************** 119/******************************************************************************
120 * 120 *
121 * Start of read routines. 121 * Start of read routines.
… …
180 {"reply", SC(ReplyCmd) 0 }, 180 {"reply", SC(ReplyCmd) 0 },
181 {"exti", SC(ExtiCmd) 0 }, // CF+ 181 {"exti", SC(ExtiCmd) 0 }, // CF+
182 {"addme", SC(AddMeCmd) 0 }, 182 {"addme", SC(AddMeCmd) 0 },
183 {"askface", SC(AskFaceCmd) 0 }, 183 {"askface", SC(AskFaceCmd) 0 },
184 {"requestinfo", SC(RequestInfo) 0 }, 184 {"requestinfo", SC(RequestInfo) 0 },
185 {"setfacemode", SC(SetFaceMode) 0 },
186 {"setsound", SC(SetSound) 0 }, 185 {"setsound", SC(SetSound) 0 },
187 {"setup", SC(SetUp) 0 }, 186 {"setup", SC(SetUp) 0 },
188 {"version", SC(VersionCmd) 0 }, 187 {"version", SC(VersionCmd) 0 },
189 {"toggleextendedinfos", SC(ToggleExtendedInfos) 0 }, /*Added: tchize */
190 {"toggleextendedtext", SC(ToggleExtendedText) 0 }, /*Added: tchize */ 188 {"toggleextendedtext", SC(ToggleExtendedText) 0 }, /*Added: tchize */
191 {"asksmooth", SC(AskSmooth) 0 }, /*Added: tchize (smoothing technologies) */
192}; 189};
193 190
194bool 191bool
195client::may_execute (const packet_type *pkt) const 192client::may_execute (const packet_type *pkt) const
196{ 193{
… …
216 { 213 {
217 data += 6; 214 data += 6;
218 len -= 6; 215 len -= 6;
219 } 216 }
220 217
221 if (len > 4 && !strncmp (data, "say " , 4)) 218 if (len > 4 && data [ 3] == ' ' && !strncmp (data, "say " , 4)) return true;
222 return true; 219 if (len > 5 && data [ 4] == ' ' && !strncmp (data, "chat " , 5)) return true;
223 if (len > 5 && !strncmp (data, "chat ", 5)) 220 if (len > 6 && data [ 5] == ' ' && !strncmp (data, "shout " , 6)) return true;
224 return true; 221 if (len > 8 && data [ 7] == ' ' && !strncmp (data, "suicide " , 8)) return true;
222 if (len > 18 && data [17] == ' ' && !strncmp (data, "accept-invitation ", 18)) return true;
223
224 if (len == 7 && !strcmp (data, "suicide")) return true;
225 225
226 return false; 226 return false;
227} 227}
228 228
229void 229void
… …
231{ 231{
232 if (may_execute (pkt) || always_immediate (this, pkt, data, datalen)) 232 if (may_execute (pkt) || always_immediate (this, pkt, data, datalen))
233 { 233 {
234 //TODO: only one format 234 //TODO: only one format
235 if (pkt->flags & PF_PLAYER) 235 if (pkt->flags & PF_PLAYER)
236 {
236 ((void (*)(char *, int, player *))pkt->cb)((char *)data, datalen, pl); 237 ((void (*)(char *, int, player *))pkt->cb)((char *)data, datalen, pl);
238 pl->need_updated_stats ();
239 }
237 else 240 else
238 ((void (*)(char *, int, client *))pkt->cb)((char *)data, datalen, this); 241 ((void (*)(char *, int, client *))pkt->cb)((char *)data, datalen, this);
239 } 242 }
240 else 243 else
241 send_packet_printf ("drawinfo %d ERROR: you cannot execute '%s' now.", NDI_RED | NDI_REPLY, pkt->name); 244 send_packet_printf ("drawinfo %d ERROR: you cannot execute '%s' now.", NDI_RED | NDI_REPLY, pkt->name);
… …
254 pl && pl->ob ? &pl->ob->name : "[anonymous]"); 257 pl && pl->ob ? &pl->ob->name : "[anonymous]");
255 destroy (); 258 destroy ();
256 return false; 259 return false;
257 } 260 }
258 261
262 uint8_t save_byte = inbuf [pkt_len]; // rather ugly
259 inbuf [pkt_len] = 0; /* Terminate buffer - useful for string data */ 263 inbuf [pkt_len] = 0; /* temporarily terminate buffer - useful for string data */
260 264
261 /* First, break out beginning word. There are at least 265 /* First, break out beginning word. There are at least
262 * a few commands that do not have any paremeters. If 266 * a few commands that do not have any paremeters. If
263 * we get such a command, don't worry about trying 267 * we get such a command, don't worry about trying
264 * to break it up. 268 * to break it up.
… …
288 goto next_packet; 292 goto next_packet;
289 } 293 }
290 294
291 // If we get here, we didn't find a valid command. 295 // If we get here, we didn't find a valid command.
292 send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED | NDI_REPLY, (char *)inbuf + 2); 296 send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED | NDI_REPLY, (char *)inbuf + 2);
297
293next_packet: 298next_packet:
299 inbuf [pkt_len] = save_byte; // rather ugly
294 skip_packet (pkt_len); 300 skip_packet (pkt_len);
295 301
296 // input buffer has space again 302 // input buffer has space again
297 socket_ev.poll (socket_ev.poll () | PE_R); 303 socket_ev.poll (socket_ev.poll () | EV_READ);
298 304
299 return true; 305 return true;
300} 306}
301 307
302// callback called when socket is either readable or writable 308// callback called when socket is either readable or writable
303void 309void
304client::socket_cb (iow &w, int got) 310client::socket_cb (iow &w, int revents)
305{ 311{
306 //TODO remove when we have better socket cleanup logic 312 //TODO remove when we have better socket cleanup logic
307 if (destroyed ()) 313 if (destroyed ())
308 { 314 {
309 socket_ev.poll (0); 315 socket_ev.poll (0);
310 return; 316 return;
311 } 317 }
312 318
313 if (got & PE_W) 319 if (revents & EV_WRITE)
314 { 320 {
315 write_outputbuffer (); 321 write_outputbuffer ();
316 322
317 if (!outputbuffer.len) 323 if (!outputbuffer.len)
318 socket_ev.poll (socket_ev.poll () & ~PE_W); 324 socket_ev.poll (socket_ev.poll () & ~EV_WRITE);
319 } 325 }
320 326
321 if (got & PE_R) 327 if (revents & EV_READ)
322 { 328 {
323 //TODO: rate-limit tcp connection in better ways, important 329 //TODO: rate-limit tcp connection in better ways, important
324 330
325 int amount = sizeof (inbuf) - inbuf_len; 331 int amount = sizeof (inbuf) - inbuf_len;
326 332
327 if (!amount) 333 if (!amount)
328 { 334 {
329 // input buffer full 335 // input buffer full
330 socket_ev.poll (socket_ev.poll () & ~PE_R); 336 socket_ev.poll (socket_ev.poll () & ~EV_READ);
331 return; 337 return;
332 } 338 }
333 339
334 amount = read (fd, inbuf + inbuf_len, amount); 340 amount = read (fd, inbuf + inbuf_len, amount);
335 341
… …
351 } 357 }
352 else 358 else
353 { 359 {
354 inbuf_len += amount; 360 inbuf_len += amount;
355 361
356 cmd_ev.start ();
357 }
358 }
359}
360
361// called whenever we have additional commands to process
362void
363client::cmd_cb (iw &w)
364{
365 if (handle_packet ()) 362 if (handle_packet ())
366 w.start (); 363 {
367 else 364 while (handle_packet ())
368 flush (); 365 ;
366
367 flush ();
368 }
369 }
370 }
369} 371}
370 372
371/******************************************************************************* 373/*******************************************************************************
372 * 374 *
373 * Start of write related routines. 375 * Start of write related routines.
… …
477 va_end (ap); 479 va_end (ap);
478 480
479 send_packet (sl); 481 send_packet (sl);
480} 482}
481 483
482// returns true when the message needs special (read: perl) treatment
483static bool
484msg_is_special (const char *msg)
485{
486 return msg [strcspn (msg, "<[&\n")];
487}
488
489void 484void
490client::send_msg (int color, const char *type, const char *msg) 485client::send_msg (int color, const char *type, const char *msg)
491{ 486{
492 if (!msg || !type) // it can happen (for example, missing attack messages cause this) 487 if (!msg || !type) // it can happen (for example, missing attack messages cause this)
493 { 488 {
494 LOG (logBacktrace | llevError, "send_msg(%d,%p,%p) called with NULL msg or type.\n", color, type, msg); 489 LOG (logBacktrace | llevError, "send_msg(%d,%p,%p) called with NULL msg or type.\n", color, type, msg);
495 return; 490 return;
496 } 491 }
497 492
498 if (msg_is_special (msg) || (type [0] == 'c' && type [1] == '/')) 493 int len = strlen (msg);
494
495 if (!(color & NDI_VERBATIM)
496 && (msg_is_special (msg)
497 || (type [0] == 'c' && type [1] == '/') || len > (MAXSOCKBUF - 128)))
499 cfperl_send_msg (this, color, type, msg); 498 cfperl_send_msg (this, color, type, msg);
500 else if (can_msg) 499 else
501 send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg); 500 send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg);
502 else if (color < 0)
503 return; // client cannot handle this
504 else
505 send_packet_printf ("drawinfo %d %s", color & NDI_COLOR_MASK, msg);
506} 501}
507 502
508void 503void
509client::send_drawinfo (const char *msg, int flags) 504client::send_drawinfo (const char *msg, int flags)
510{ 505{

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