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Comparing deliantra/server/socket/lowlevel.C (file contents):
Revision 1.56 by root, Mon Jul 30 02:03:03 2007 UTC vs.
Revision 1.68 by root, Sat Dec 27 01:25:00 2008 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 (©) 1992,2007 Frank Tore Johansen 5 * Copyright (©) 1992,2007 Frank Tore Johansen
6 * 6 *
7 * Crossfire TRT is free software: you can redistribute it and/or modify 7 * Deliantra is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by 8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or 9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version. 10 * (at your option) any later version.
11 * 11 *
12 * This program is distributed in the hope that it will be useful, 12 * This program is distributed in the hope that it will be useful,
15 * GNU General Public License for more details. 15 * GNU General Public License for more details.
16 * 16 *
17 * You should have received a copy of the GNU General Public License 17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. 18 * along with this program. If not, see <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
222 if (len == 7 && !strcmp (data, "suicide")) return true;
225 223
226 return false; 224 return false;
227} 225}
228 226
229void 227void
292 send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED | NDI_REPLY, (char *)inbuf + 2); 290 send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED | NDI_REPLY, (char *)inbuf + 2);
293next_packet: 291next_packet:
294 skip_packet (pkt_len); 292 skip_packet (pkt_len);
295 293
296 // input buffer has space again 294 // input buffer has space again
297 socket_ev.poll (socket_ev.poll () | PE_R); 295 socket_ev.poll (socket_ev.poll () | EV_READ);
298 296
299 return true; 297 return true;
300} 298}
301 299
302// callback called when socket is either readable or writable 300// callback called when socket is either readable or writable
303void 301void
304client::socket_cb (iow &w, int got) 302client::socket_cb (iow &w, int revents)
305{ 303{
306 //TODO remove when we have better socket cleanup logic 304 //TODO remove when we have better socket cleanup logic
307 if (destroyed ()) 305 if (destroyed ())
308 { 306 {
309 socket_ev.poll (0); 307 socket_ev.poll (0);
310 return; 308 return;
311 } 309 }
312 310
313 if (got & PE_W) 311 if (revents & EV_WRITE)
314 { 312 {
315 write_outputbuffer (); 313 write_outputbuffer ();
316 314
317 if (!outputbuffer.len) 315 if (!outputbuffer.len)
318 socket_ev.poll (socket_ev.poll () & ~PE_W); 316 socket_ev.poll (socket_ev.poll () & ~EV_WRITE);
319 } 317 }
320 318
321 if (got & PE_R) 319 if (revents & EV_READ)
322 { 320 {
323 //TODO: rate-limit tcp connection in better ways, important 321 //TODO: rate-limit tcp connection in better ways, important
324 322
325 int amount = sizeof (inbuf) - inbuf_len; 323 int amount = sizeof (inbuf) - inbuf_len;
326 324
327 if (!amount) 325 if (!amount)
328 { 326 {
329 // input buffer full 327 // input buffer full
330 socket_ev.poll (socket_ev.poll () & ~PE_R); 328 socket_ev.poll (socket_ev.poll () & ~EV_READ);
331 return; 329 return;
332 } 330 }
333 331
334 amount = read (fd, inbuf + inbuf_len, amount); 332 amount = read (fd, inbuf + inbuf_len, amount);
335 333
351 } 349 }
352 else 350 else
353 { 351 {
354 inbuf_len += amount; 352 inbuf_len += amount;
355 353
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 ()) 354 if (handle_packet ())
366 w.start (); 355 {
367 else 356 while (handle_packet ())
368 flush (); 357 ;
358
359 flush ();
360 }
361 }
362 }
369} 363}
370 364
371/******************************************************************************* 365/*******************************************************************************
372 * 366 *
373 * Start of write related routines. 367 * Start of write related routines.
477 va_end (ap); 471 va_end (ap);
478 472
479 send_packet (sl); 473 send_packet (sl);
480} 474}
481 475
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 476void
490client::send_msg (int color, const char *type, const char *msg) 477client::send_msg (int color, const char *type, const char *msg)
491{ 478{
479 if (!msg || !type) // it can happen (for example, missing attack messages cause this)
480 {
481 LOG (logBacktrace | llevError, "send_msg(%d,%p,%p) called with NULL msg or type.\n", color, type, msg);
482 return;
483 }
484
485 int len = strlen (msg);
486
487 if (!(color & NDI_VERBATIM)
492 if (msg_is_special (msg)) 488 && (msg_is_special (msg)
489 || (type [0] == 'c' && type [1] == '/') || len > (MAXSOCKBUF - 128)))
493 cfperl_send_msg (this, color, type, msg); 490 cfperl_send_msg (this, color, type, msg);
494 else if (can_msg) 491 else if (can_msg)
495 send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg); 492 send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg);
496 else if (color < 0) 493 else if (color < 0)
497 return; // client cannot handle this 494 return; // client cannot handle this

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