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Comparing deliantra/server/server/freezethaw.C (file contents):
Revision 1.14 by pippijn, Fri Mar 2 10:15:40 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"
28#include "kw_hash.h" 26#include "kw_hash.h"
29 27
30object_freezer::object_freezer () 28object_freezer::object_freezer ()
31: dynbuf (128 * 1024, 64 * 1024) 29: dynbuf_text (128 * 1024, 64 * 1024)
32{ 30{
33 av = newAV (); 31 av = newAV ();
34} 32}
35 33
36object_freezer::~object_freezer () 34object_freezer::~object_freezer ()
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)
… …
82 CALL_END; 78 CALL_END;
83 79
84 return res; 80 return res;
85} 81}
86 82
83#if 0
87void 84void
88fprintf (object_freezer &freezer, const char *format, ...) 85fprintf (object_freezer &freezer, const char *format, ...)
89{ 86{
90 va_list ap; 87 va_list ap;
91 88
… …
103void 100void
104fputs (const char *s, object_freezer &freezer) 101fputs (const char *s, object_freezer &freezer)
105{ 102{
106 freezer.add (s); 103 freezer.add (s);
107} 104}
105#endif
108 106
109static const char thawer_eof[] = "\n\n\n\0\0\0"; 107static const char thawer_eof[] = "\n\n\n\0\0\0";
110 108
109bool object_thawer::errors_are_fatal = true;
110
111object_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{
112: name (strdup (path)) 135 name = strdup (path);
113{
114 static const char eof[] = "\n\n\n\0\0\0";
115
116 av = 0; 136 av = 0;
117 text = 0; 137 text = 0;
118 line = 0; 138 line = 0;
119 linenum = 0; 139 linenum = 0;
120 140
… …
140 // first value - text part, pad with 3 zeroes 160 // first value - text part, pad with 3 zeroes
141 { 161 {
142 SV *sv = POPs; 162 SV *sv = POPs;
143 STRLEN len; 163 STRLEN len;
144 char *sv_ = SvPVbyte (sv, len); 164 char *sv_ = SvPVbyte (sv, len);
145 text = newSV (len + sizeof (eof)); 165 text = newSV (len + sizeof (thawer_eof));
146 SvCUR_set (text, len); 166 SvCUR_set (text, len + sizeof (thawer_eof));
147 memcpy (SvPVX (text), sv_, len); 167 memcpy (SvPVX (text), sv_, len);
148 memcpy (SvEND (text), eof, sizeof (eof)); // just to be sure 168 memcpy (SvPVX (text) + len, thawer_eof, sizeof (thawer_eof));
149 169
150 line = SvPVX (text); 170 line = SvPVX (text);
171 next ();
151 } 172 }
152 } 173 }
153 174
154 CALL_END; 175 CALL_END;
155 } 176 }
156}
157
158object_thawer::object_thawer (const char *data, AV *perlav)
159: name (strdup ("(memory stream"))
160{
161 av = perlav;
162 text = newSVpv (data, 0);
163 sv_catpv (text, thawer_eof);
164 line = SvPVbyte_nolen (text);
165} 177}
166 178
167void 179void
168object_thawer::get (attachable *obj, int oid) 180object_thawer::get (attachable *obj, int oid)
169{ 181{
… …
172 184
173 SV **svp = av_fetch ((AV *)av, oid, 0); 185 SV **svp = av_fetch ((AV *)av, oid, 0);
174 186
175 if (!svp || !SvROK (*svp)) 187 if (!svp || !SvROK (*svp))
176 { 188 {
177 printf ("trying to thaw duplicate or never-issued oid %d, ignoring.\n", oid); 189 LOG (llevError, "trying to thaw duplicate or never-issued oid %d, ignoring.\n", oid);
178 return; 190 return;
179 } 191 }
180 192
181 if (!SvROK (*svp)) 193 if (!SvROK (*svp))
182 { 194 {
183 LOG (llevError, "deserialised perl object is not an RV"); 195 LOG (llevError, "deserialised perl object is not an RV\n");
184 return; 196 return;
185 } 197 }
186 198
187 HV *hv = (HV *)SvRV (*svp); 199 HV *hv = (HV *)SvRV (*svp);
188 200
189 if (SvTYPE (hv) != SVt_PVHV) 201 if (SvTYPE (hv) != SVt_PVHV)
190 { 202 {
191 LOG (llevError, "deserialised perl object is not a PVHV"); 203 LOG (llevError, "deserialised perl object is not a PVHV\n");
192 return; 204 return;
193 } 205 }
194 206
195 if (obj->self) 207 if (obj->self)
196 { 208 {
… …
220object_thawer::~object_thawer () 232object_thawer::~object_thawer ()
221{ 233{
222 if (text) SvREFCNT_dec (text); 234 if (text) SvREFCNT_dec (text);
223 if (av) SvREFCNT_dec (av); 235 if (av) SvREFCNT_dec (av);
224 236
237 resolve_delayed_derefs (false);
238
225 free ((void *)name); 239 free ((void *)name);
226} 240}
227 241
228//TODO: remove 242static void
229char * 243error_out ()
230fgets (char *s, int n, object_thawer &thawer)
231{ 244{
232 char *p = thawer.line; 245 if (object_thawer::errors_are_fatal)
233 char *q = s;
234
235 if (!p)
236 return 0;
237
238 while (--n)
239 {
240 if (!*p)
241 break;
242
243 *q++ = *p;
244
245 if (*p++ == '\n')
246 {
247 ++thawer.linenum;
248 break;
249 }
250 } 246 {
247 LOG (llevError, "(parse errors at this time are fatal, exiting)");
248 exit (1);
249 }
250}
251 251
252 *q = 0; 252void
253 thawer.line = p; 253object_thawer::parse_warn (const char *msg) const
254 254{
255 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);
256} 260}
257 261
258bool 262bool
259object_thawer::parse_error (const char *type, const char *name, bool skip) 263object_thawer::parse_error (const char *type, const char *name, bool skip) const
260{ 264{
261 if (!type) type = "file section"; 265 if (!type) type = "file section";
262 if (!name) name = "generic"; 266 if (!name) name = "generic";
263 267
264 switch (kw) 268 switch (kw)
265 { 269 {
266 case KW_EOF: 270 case KW_EOF:
267 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",
268 this->name, linenum, type, name); 272 this->name, linenum, type, name);
273 error_out ();
269 return false; 274 return false;
270 275
271 case KW_ERROR: 276 case KW_ERROR:
272 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",
273 this->name, linenum, 278 this->name, linenum,
274 type, name, 279 type, name,
275 kw_str ? kw_str : "<file load>"); 280 kw_str ? kw_str : "<file load>");
281 error_out ();
276 return false; 282 return false;
277 283
278 default: 284 default:
279 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",
280 this->name, linenum, 286 this->name, linenum,
281 kw_str ? kw_str : "<null>", 287 kw_str ? kw_str : "<null>",
282 value ? value : "<null>", 288 value ? value : "<null>",
283 type, name, 289 type, name,
284 skip ? "skipping line" : "aborting load"); 290 skip ? "skipping line" : "aborting load");
291 error_out ();
285 return skip; 292 return skip;
286 } 293 }
287} 294}
288 295
289void 296void
… …
296 } 303 }
297 304
298 for (;;) 305 for (;;)
299 { 306 {
300 char *p = line; 307 char *p = line;
308
309 if (expect_false (*p <= ' '))
310 {
311 // skip whitespace (only some files need this)
312 while (*p == ' ' || *p == '\t')
313 p++;
314
315 line = p;
316 }
301 317
302 if (!*p) 318 if (!*p)
303 { 319 {
304 kw = KW_EOF; 320 kw = KW_EOF;
305 break; 321 break;
… …
309 while (*p > ' ') 325 while (*p > ' ')
310 p++; 326 p++;
311 327
312 int klen = p - line; 328 int klen = p - line;
313 329
330 value_nn = "";
331 value = 0;
332
314 if (*p++ != '\n') 333 if (*p++ != '\n')
315 { 334 {
316 // parse value 335 // parse value
317 while (*(unsigned char *)p <= ' ' && *p != '\n') // skip 0x01 .. 0x20 336 while (*(unsigned char *)p <= ' ' && *p != '\n')
318 ++p; 337 ++p;
319 338
320 value = p; 339 value_nn = value = p;
321 340
322 while (*p != '\n') 341 while (*p != '\n')
323 p++; 342 p++;
324 343
325 *p++ = 0; 344 *p++ = 0;
326 } 345 }
327 else
328 value = 0;
329 346
330 ++linenum; 347 ++linenum;
331 line [klen] = 0; 348 line [klen] = 0;
332 keyword_idx *kw_idx = kw_lex::match (line, klen); 349 keyword_idx *kw_idx = kw_lex::match (line, klen);
333 350
334 //printf ("KV %d<%s,%s>\n", kw ? kw->index : 0, line, value);//D
335
336 kw_str = line; 351 kw_str = line;
337 line = p; 352 line = p;
338 353
339 if (kw_idx) 354 if (kw_idx)
340 { 355 {
… …
347 { 362 {
348 kw = KW_ERROR; 363 kw = KW_ERROR;
349 break; 364 break;
350 } 365 }
351 } 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;
352} 420}
353 421
354void 422void
355object_thawer::skip () 423object_thawer::skip ()
356{ 424{
… …
366 434
367 next (); 435 next ();
368} 436}
369 437
370void 438void
371object_thawer::get (shstr &sh) const 439object_thawer::skip_block ()
372{ 440{
373 if (value) 441 // must not stop at KW_ERROR, as those signify custom keys
374 sh = value; 442 while (kw != KW_EOF)
375 else
376 { 443 {
377 sh = "<value missing>"; 444 keyword w = kw;
378 LOG (llevError, "keyword \"%s\" requires value, substituting with <value missing>\n", kw_str);//TODO: add filename 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;
379 } 451 }
380} 452}
381 453
382void 454void
383object_thawer::get_ml (keyword kend, shstr &sh) 455object_thawer::get_ml (keyword kend, shstr &sh)
… …
431} 503}
432 504
433sint32 505sint32
434object_thawer::get_sint32 () const 506object_thawer::get_sint32 () const
435{ 507{
436 char *p = value; 508 const char *p = value_nn;
437
438 if (!p)
439 return 0;
440 509
441 sint32 val = 0; 510 sint32 val = 0;
442 bool negate; 511 bool negate;
443 512
444 if (*p == '-') 513 if (*p == '-')
… …
457 while (*p); 526 while (*p);
458 527
459 return negate ? -val : val; 528 return negate ? -val : val;
460} 529}
461 530
462sint64 531void
463object_thawer::get_sint64 () const 532object_thawer::delayed_deref (attachable *op, object_ptr &ptr, const char *ref)
464{ 533{
465 return value ? atoll (value) : 0; 534 op->refcnt_inc ();
535 delayed_ref r = { op, &ptr, ref ? strdup (ref) : 0 };
536 delrefs.push_back (r);
537 ptr = 0;
466} 538}
467 539
468double 540void
469object_thawer::get_double () const 541object_thawer::resolve_delayed_derefs (bool deref)
470{ 542{
471 return value ? atof (value) : 0; 543 while (!delrefs.empty ())
472} 544 {
545 delayed_ref r = delrefs.back ();
546 delrefs.pop_back ();
473 547
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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