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Comparing deliantra/server/socket/lowlevel.C (file contents):
Revision 1.60 by root, Mon Oct 1 01:09:10 2007 UTC vs.
Revision 1.73 by root, Tue Nov 3 23:44:21 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
… …
254 pl && pl->ob ? &pl->ob->name : "[anonymous]"); 254 pl && pl->ob ? &pl->ob->name : "[anonymous]");
255 destroy (); 255 destroy ();
256 return false; 256 return false;
257 } 257 }
258 258
259 uint8_t save_byte = inbuf [pkt_len]; // rather ugly
259 inbuf [pkt_len] = 0; /* Terminate buffer - useful for string data */ 260 inbuf [pkt_len] = 0; /* temporarily terminate buffer - useful for string data */
260 261
261 /* First, break out beginning word. There are at least 262 /* First, break out beginning word. There are at least
262 * a few commands that do not have any paremeters. If 263 * a few commands that do not have any paremeters. If
263 * we get such a command, don't worry about trying 264 * we get such a command, don't worry about trying
264 * to break it up. 265 * to break it up.
… …
288 goto next_packet; 289 goto next_packet;
289 } 290 }
290 291
291 // If we get here, we didn't find a valid command. 292 // 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); 293 send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED | NDI_REPLY, (char *)inbuf + 2);
294
293next_packet: 295next_packet:
296 inbuf [pkt_len] = save_byte; // rather ugly
294 skip_packet (pkt_len); 297 skip_packet (pkt_len);
295 298
296 // input buffer has space again 299 // input buffer has space again
297 socket_ev.poll (socket_ev.poll () | PE_R); 300 socket_ev.poll (socket_ev.poll () | EV_READ);
298 301
299 return true; 302 return true;
300} 303}
301 304
302// callback called when socket is either readable or writable 305// callback called when socket is either readable or writable
303void 306void
304client::socket_cb (iow &w, int got) 307client::socket_cb (iow &w, int revents)
305{ 308{
306 //TODO remove when we have better socket cleanup logic 309 //TODO remove when we have better socket cleanup logic
307 if (destroyed ()) 310 if (destroyed ())
308 { 311 {
309 socket_ev.poll (0); 312 socket_ev.poll (0);
310 return; 313 return;
311 } 314 }
312 315
313 if (got & PE_W) 316 if (revents & EV_WRITE)
314 { 317 {
315 write_outputbuffer (); 318 write_outputbuffer ();
316 319
317 if (!outputbuffer.len) 320 if (!outputbuffer.len)
318 socket_ev.poll (socket_ev.poll () & ~PE_W); 321 socket_ev.poll (socket_ev.poll () & ~EV_WRITE);
319 } 322 }
320 323
321 if (got & PE_R) 324 if (revents & EV_READ)
322 { 325 {
323 //TODO: rate-limit tcp connection in better ways, important 326 //TODO: rate-limit tcp connection in better ways, important
324 327
325 int amount = sizeof (inbuf) - inbuf_len; 328 int amount = sizeof (inbuf) - inbuf_len;
326 329
327 if (!amount) 330 if (!amount)
328 { 331 {
329 // input buffer full 332 // input buffer full
330 socket_ev.poll (socket_ev.poll () & ~PE_R); 333 socket_ev.poll (socket_ev.poll () & ~EV_READ);
331 return; 334 return;
332 } 335 }
333 336
334 amount = read (fd, inbuf + inbuf_len, amount); 337 amount = read (fd, inbuf + inbuf_len, amount);
335 338
… …
473 va_end (ap); 476 va_end (ap);
474 477
475 send_packet (sl); 478 send_packet (sl);
476} 479}
477 480
478// returns true when the message needs special (read: perl) treatment
479static bool
480msg_is_special (const char *msg)
481{
482 return msg [strcspn (msg, "<[&\n")];
483}
484
485void 481void
486client::send_msg (int color, const char *type, const char *msg) 482client::send_msg (int color, const char *type, const char *msg)
487{ 483{
488 if (!msg || !type) // it can happen (for example, missing attack messages cause this) 484 if (!msg || !type) // it can happen (for example, missing attack messages cause this)
489 { 485 {
… …
491 return; 487 return;
492 } 488 }
493 489
494 int len = strlen (msg); 490 int len = strlen (msg);
495 491
492 if (!(color & NDI_VERBATIM)
493 && (msg_is_special (msg)
496 if (msg_is_special (msg) || (type [0] == 'c' && type [1] == '/') || len > (MAXSOCKBUF - 128)) 494 || (type [0] == 'c' && type [1] == '/') || len > (MAXSOCKBUF - 128)))
497 cfperl_send_msg (this, color, type, msg); 495 cfperl_send_msg (this, color, type, msg);
498 else if (can_msg) 496 else
499 send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg); 497 send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg);
500 else if (color < 0)
501 return; // client cannot handle this
502 else
503 send_packet_printf ("drawinfo %d %s", color & NDI_COLOR_MASK, msg);
504} 498}
505 499
506void 500void
507client::send_drawinfo (const char *msg, int flags) 501client::send_drawinfo (const char *msg, int flags)
508{ 502{

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