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Comparing deliantra/server/server/freezethaw.C (file contents):
Revision 1.20 by root, Sun May 27 23:14:37 2007 UTC vs.
Revision 1.42 by root, Thu Apr 29 12:24:04 2010 UTC

1/*****************************************************************************/
2/* CrossFire, A roguelike realtime multiplayer game */
3/*****************************************************************************/
4
5/* 1/*
6 * This code is placed under the GNU General Public Licence (GPL) 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
7 * 3 *
8 * Copyright (C) 2006 by Marc Lehmann <crossfire@schmorp.de> 4 * Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
9 * 5 *
10 * This program is free software; you can redistribute it and/or modify 6 * Deliantra is free software: you can redistribute it and/or modify it under
11 * 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
12 * the Free Software Foundation; either version 2 of the License, or 8 * Free Software Foundation, either version 3 of the License, or (at your
13 * (at your option) any later version. 9 * option) any later version.
14 * 10 *
15 * 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,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details. 14 * GNU General Public License for more details.
19 * 15 *
20 * 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
21 * 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
22 * Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 * <http://www.gnu.org/licenses/>.
19 *
20 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 21 */
24 22
25#include "global.h" // bug in cfperl.h, doesn't include interface_class stuff 23#include "global.h" // bug in cfperl.h, doesn't include interface_class stuff
26#include "logger.h" 24#include "logger.h"
27#include "cfperl.h" 25#include "cfperl.h"
… …
37{ 35{
38 SvREFCNT_dec (av); 36 SvREFCNT_dec (av);
39} 37}
40 38
41void 39void
42object_freezer::put (attachable *ext) 40object_freezer::put_ (attachable *ext)
43{ 41{
44 ext->optimise (); 42 ext->optimise ();
45 43
46 if (ext->self) 44 if (ext->self)
47 { 45 {
48 int idx = AvFILLp ((AV *)av) + 1; 46 int idx = AvFILLp ((AV *)av) + 1;
49 av_store (av, idx, newRV_inc ((SV *)ext->self)); 47 av_store (av, idx, newRV_inc ((SV *)ext->self));
50 48
51 add ((void *)"oid ", 4); 49 put (KW(oid), sint32(idx));
52 add ((sint32)idx);
53 add ('\n');
54 } 50 }
55} 51}
56 52
57bool 53bool
58object_freezer::save (const char *path) 54object_freezer::save (const char *path)
… …
108} 104}
109#endif 105#endif
110 106
111static const char thawer_eof[] = "\n\n\n\0\0\0"; 107static const char thawer_eof[] = "\n\n\n\0\0\0";
112 108
109bool object_thawer::errors_are_fatal = true;
110
113object_thawer::object_thawer (const char *path) 111object_thawer::object_thawer (const char *data, AV *perlav)
112: name (strdup ("(memory stream)"))
113{
114 av = perlav;
115 text = newSVpv (data, 0);
116 sv_catpv (text, thawer_eof);
117 line = SvPVbyte_nolen (text);
118 next ();
119}
120
121object_thawer::object_thawer (const_utf8_string path)
122{
123 new_from_path (path);
124}
125
126// convenience constructor
127object_thawer::object_thawer (const_utf8_string dir, const_utf8_string file)
128{
129 new_from_path (format ("%s/%s", dir, file));
130}
131
132void
133object_thawer::new_from_path (const_utf8_string path)
134{
114: name (strdup (path)) 135 name = strdup (path);
115{
116 static const char eof[] = "\n\n\n\0\0\0";
117
118 av = 0; 136 av = 0;
119 text = 0; 137 text = 0;
120 line = 0; 138 line = 0;
121 linenum = 0; 139 linenum = 0;
122 140
… …
142 // first value - text part, pad with 3 zeroes 160 // first value - text part, pad with 3 zeroes
143 { 161 {
144 SV *sv = POPs; 162 SV *sv = POPs;
145 STRLEN len; 163 STRLEN len;
146 char *sv_ = SvPVbyte (sv, len); 164 char *sv_ = SvPVbyte (sv, len);
147 text = newSV (len + sizeof (eof)); 165 text = newSV (len + sizeof (thawer_eof));
148 SvCUR_set (text, len); 166 SvCUR_set (text, len + sizeof (thawer_eof));
149 memcpy (SvPVX (text), sv_, len); 167 memcpy (SvPVX (text), sv_, len);
150 memcpy (SvEND (text), eof, sizeof (eof)); // just to be sure 168 memcpy (SvPVX (text) + len, thawer_eof, sizeof (thawer_eof));
151 169
152 line = SvPVX (text); 170 line = SvPVX (text);
171 next ();
153 } 172 }
154 } 173 }
155 174
156 CALL_END; 175 CALL_END;
157 } 176 }
158}
159
160object_thawer::object_thawer (const char *data, AV *perlav)
161: name (strdup ("(memory stream"))
162{
163 av = perlav;
164 text = newSVpv (data, 0);
165 sv_catpv (text, thawer_eof);
166 line = SvPVbyte_nolen (text);
167} 177}
168 178
169void 179void
170object_thawer::get (attachable *obj, int oid) 180object_thawer::get (attachable *obj, int oid)
171{ 181{
… …
222object_thawer::~object_thawer () 232object_thawer::~object_thawer ()
223{ 233{
224 if (text) SvREFCNT_dec (text); 234 if (text) SvREFCNT_dec (text);
225 if (av) SvREFCNT_dec (av); 235 if (av) SvREFCNT_dec (av);
226 236
237 resolve_delayed_derefs (false);
238
227 free ((void *)name); 239 free ((void *)name);
228} 240}
229 241
230//TODO: remove 242static void
231char * 243error_out ()
232fgets (char *s, int n, object_thawer &thawer)
233{ 244{
234 char *p = thawer.line; 245 if (object_thawer::errors_are_fatal)
235 char *q = s;
236
237 if (!p)
238 return 0;
239
240 while (--n)
241 {
242 if (!*p)
243 break;
244
245 *q++ = *p;
246
247 if (*p++ == '\n')
248 {
249 ++thawer.linenum;
250 break;
251 }
252 } 246 {
247 LOG (llevError, "(parse errors at this time are fatal, exiting)");
248 exit (1);
249 }
250}
253 251
254 *q = 0; 252void
255 thawer.line = p; 253object_thawer::parse_warn (const char *msg) const
256 254{
257 return s == q ? 0 : s; 255 LOG (llevWarn, "%s:%d, \"%s %s\": %s\n",
256 this->name, linenum,
257 kw_str ? kw_str : "<null>",
258 value ? value : "<null>",
259 msg);
258} 260}
259 261
260bool 262bool
261object_thawer::parse_error (const char *type, const char *name, bool skip) 263object_thawer::parse_error (const char *type, const char *name, bool skip) const
262{ 264{
263 if (!type) type = "file section"; 265 if (!type) type = "file section";
264 if (!name) name = "generic"; 266 if (!name) name = "generic";
265 267
266 switch (kw) 268 switch (kw)
267 { 269 {
268 case KW_EOF: 270 case KW_EOF:
269 LOG (llevError, "%s:%d end of file while reading %s '%s', aborting load.\n", 271 LOG (llevError, "%s:%d end of file while reading %s '%s', aborting load.\n",
270 this->name, linenum, type, name); 272 this->name, linenum, type, name);
273 error_out ();
271 return false; 274 return false;
272 275
273 case KW_ERROR: 276 case KW_ERROR:
274 LOG (llevError, "%s:%d error while reading %s '%s', at '%s', aborting load.\n", 277 LOG (llevError, "%s:%d error while reading %s '%s', at '%s', aborting load.\n",
275 this->name, linenum, 278 this->name, linenum,
276 type, name, 279 type, name,
277 kw_str ? kw_str : "<file load>"); 280 kw_str ? kw_str : "<file load>");
281 error_out ();
278 return false; 282 return false;
279 283
280 default: 284 default:
281 LOG (llevError, "%s:%d unexpected line (%s %s) while reading %s '%s', %s.\n", 285 LOG (llevError, "%s:%d unexpected line (%s %s) while reading %s '%s', %s.\n",
282 this->name, linenum, 286 this->name, linenum,
283 kw_str ? kw_str : "<null>", 287 kw_str ? kw_str : "<null>",
284 value ? value : "<null>", 288 value ? value : "<null>",
285 type, name, 289 type, name,
286 skip ? "skipping line" : "aborting load"); 290 skip ? "skipping line" : "aborting load");
291 error_out ();
287 return skip; 292 return skip;
288 } 293 }
289} 294}
290 295
291void 296void
… …
299 304
300 for (;;) 305 for (;;)
301 { 306 {
302 char *p = line; 307 char *p = line;
303 308
304 if (*p <= ' ') 309 if (expect_false (*p <= ' '))
305 { 310 {
306 // skip whitespace (only some files need this) 311 // skip whitespace (only some files need this)
307 while (*p == ' ' || *p == '\t') 312 while (*p == ' ' || *p == '\t')
308 p++; 313 p++;
309 314
… …
357 { 362 {
358 kw = KW_ERROR; 363 kw = KW_ERROR;
359 break; 364 break;
360 } 365 }
361 } 366 }
367}
368
369bool
370object_thawer::next_line ()
371{
372 if (!line)
373 {
374 kw = KW_ERROR;
375 return 0;
376 }
377
378 for (;;)
379 {
380 char *p = line;
381
382 if (expect_false (*p <= ' '))
383 {
384 // skip whitespace (only some files need this)
385 while (*p == ' ' || *p == '\t')
386 p++;
387
388 line = p;
389 }
390
391 if (!*p)
392 {
393 kw = KW_EOF;
394 return 0;
395 }
396
397 kw = KW_value;
398 kw_str = p;
399 value_nn = p;
400 value = p;
401
402 // parse till newline
403 while (*p > '\n')
404 p++;
405
406 if (*p == '\n')
407 *p++ = 0;
408
409 ++linenum;
410
411 line = p;
412
413 if (*kw_str && *kw_str != '#')
414 break;
415
416 // empty/comment line -> skip it
417 }
418
419 return 1;
362} 420}
363 421
364void 422void
365object_thawer::skip () 423object_thawer::skip ()
366{ 424{
… …
376 434
377 next (); 435 next ();
378} 436}
379 437
380void 438void
439object_thawer::skip_block ()
440{
441 // must not stop at KW_ERROR, as those signify custom keys
442 while (kw != KW_EOF)
443 {
444 keyword w = kw;
445 skip ();
446
447 if (0 && (w == KW_map || w == KW_arch || w == KW_object || w == KW_region))
448 skip_block ();
449 else if (w == KW_end)
450 break;
451 }
452}
453
454void
381object_thawer::get_ml (keyword kend, shstr &sh) 455object_thawer::get_ml (keyword kend, shstr &sh)
382{ 456{
383 char kw[128]; 457 char kw[128];
384 458
385 int klen = keyword_len [kend]; 459 int klen = keyword_len [kend];
… …
429} 503}
430 504
431sint32 505sint32
432object_thawer::get_sint32 () const 506object_thawer::get_sint32 () const
433{ 507{
434 char *p = value_nn; 508 const char *p = value_nn;
435 509
436 sint32 val = 0; 510 sint32 val = 0;
437 bool negate; 511 bool negate;
438 512
439 if (*p == '-') 513 if (*p == '-')
… …
452 while (*p); 526 while (*p);
453 527
454 return negate ? -val : val; 528 return negate ? -val : val;
455} 529}
456 530
531void
532object_thawer::delayed_deref (attachable *op, object_ptr &ptr, const char *ref)
533{
534 op->refcnt_inc ();
535 delayed_ref r = { op, &ptr, ref ? strdup (ref) : 0 };
536 delrefs.push_back (r);
537 ptr = 0;
538}
539
540void
541object_thawer::resolve_delayed_derefs (bool deref)
542{
543 while (!delrefs.empty ())
544 {
545 delayed_ref r = delrefs.back ();
546 delrefs.pop_back ();
547
548 if (deref)
549 *r.ptr = object::deref (r.ref);
550
551 free ((void *)r.ref);
552 r.op->refcnt_dec ();
553 }
554}

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