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Comparing deliantra/server/server/freezethaw.C (file contents):
Revision 1.7 by root, Tue Jan 23 03:56:45 2007 UTC vs.
Revision 1.49 by root, Wed Dec 5 19:03:27 2018 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 (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team
9 * 5 * Copyright (©) 2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
6 *
10 * This program is free software; you can redistribute it and/or modify 7 * 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 8 * 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 9 * Free Software Foundation, either version 3 of the License, or (at your
13 * (at your option) any later version. 10 * option) any later version.
14 * 11 *
15 * 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,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details. 15 * GNU General Public License for more details.
19 * 16 *
20 * You should have received a copy of the GNU General Public License 17 * 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 18 * 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 19 * <http://www.gnu.org/licenses/>.
20 *
21 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 22 */
24 23
25#include "global.h" // bug in cfperl.h, doesn't include interface_class stuff 24#include "global.h" // bug in cfperl.h, doesn't include interface_class stuff
26#include "logger.h" 25#include "logger.h"
27#include "cfperl.h" 26#include "cfperl.h"
28#include "kw_hash.h" 27#include "kw_hash.h"
29 28
30object_freezer::object_freezer () 29object_freezer::object_freezer ()
31: dynbuf (128 * 1024, 64 * 1024) 30: dynbuf_text (128 * 1024, 64 * 1024)
32{ 31{
33 av = newAV (); 32 av = newAV ();
34} 33}
35 34
36object_freezer::~object_freezer () 35object_freezer::~object_freezer ()
37{ 36{
38 SvREFCNT_dec (av); 37 SvREFCNT_dec (av);
39} 38}
40 39
41void 40void
42object_freezer::put (attachable *ext) 41object_freezer::put_ (attachable *ext)
43{ 42{
44 ext->optimise (); 43 ext->optimise ();
45 44
46 if (ext->self) 45 if (ext->self)
47 { 46 {
48 int idx = AvFILLp ((AV *)av) + 1; 47 int idx = AvFILLp ((AV *)av) + 1;
49 av_store (av, idx, newRV_inc ((SV *)ext->self)); 48 av_store (av, idx, newRV_inc ((SV *)ext->self));
50 49
51 add ((void *)"oid ", 4); 50 put (KW(oid), sint32(idx));
52 add ((sint32)idx);
53 add ('\n');
54 } 51 }
55} 52}
56 53
57bool 54bool
58object_freezer::save (const char *path) 55object_freezer::save (const char *path)
… …
61 CALL_ARG_SV (newSVpv (path, 0)); 58 CALL_ARG_SV (newSVpv (path, 0));
62 CALL_ARG_SV (newRV_noinc (newSVpvn ((char *)linearise (), size ()))); 59 CALL_ARG_SV (newRV_noinc (newSVpvn ((char *)linearise (), size ())));
63 CALL_ARG_SV (newRV_inc ((SV *)av)); 60 CALL_ARG_SV (newRV_inc ((SV *)av));
64 CALL_CALL ("cf::object_freezer_save", G_VOID | G_DISCARD); 61 CALL_CALL ("cf::object_freezer_save", G_VOID | G_DISCARD);
65 CALL_END; 62 CALL_END;
63
64 return 1;
66} 65}
67 66
68char * 67char *
69object_freezer::as_string () 68object_freezer::as_string ()
70{ 69{
… …
80 CALL_END; 79 CALL_END;
81 80
82 return res; 81 return res;
83} 82}
84 83
85int 84#if 0
85void
86fprintf (object_freezer &freezer, const char *format, ...) 86fprintf (object_freezer &freezer, const char *format, ...)
87{ 87{
88 va_list ap; 88 va_list ap;
89 89
90 va_start (ap, format); 90 va_start (ap, format);
… …
95 freezer.alloc (len); 95 freezer.alloc (len);
96 96
97 va_end (ap); 97 va_end (ap);
98} 98}
99 99
100int 100// XXX: function not returning an int
101void
101fputs (const char *s, object_freezer &freezer) 102fputs (const char *s, object_freezer &freezer)
102{ 103{
103 freezer.add (s); 104 freezer.add (s);
104} 105}
106#endif
105 107
106static const char thawer_eof[] = "\n\n\n\0\0\0"; 108static const char thawer_eof[] = "\n\n\n\0\0\0";
107 109
108object_thawer::object_thawer (const char *path) 110bool object_thawer::errors_are_fatal = true;
109: name (strdup (path))
110{
111 static const char eof[] = "\n\n\n\0\0\0";
112
113 av = 0;
114 text = 0;
115 line = 0;
116
117 if (path)
118 {
119 CALL_BEGIN (1);
120 CALL_ARG_SV (newSVpv (path, 0));
121 CALL_CALL ("cf::object_thawer_load", G_ARRAY);
122
123 if (count == 2)
124 {
125 // second value - perl objects
126 {
127 SV *sv = POPs;
128 if (SvROK (sv))
129 av = (AV *)SvREFCNT_inc (SvRV (sv));
130 }
131
132 // first value - text part, pad with 3 zeroes
133 {
134 SV *sv = POPs;
135 STRLEN len;
136 char *sv_ = SvPVbyte (sv, len);
137 text = newSV (len + sizeof (eof));
138 SvCUR_set (text, len);
139 memcpy (SvPVX (text), sv_, len);
140 memcpy (SvEND (text), eof, sizeof (eof)); // just to be sure
141
142 line = SvPVX (text);
143 }
144 }
145
146 CALL_END;
147 }
148}
149 111
150object_thawer::object_thawer (const char *data, AV *perlav) 112object_thawer::object_thawer (const char *data, AV *perlav)
151: name (strdup ("(memory stream")) 113: name (strdup ("(memory stream)"))
152{ 114{
115 init ("(memory stream)");
116
153 av = perlav; 117 av = perlav;
154 text = newSVpv (data, 0); 118 text = newSVpv (data, 0); sv_catpv (text, thawer_eof);
155 sv_catpv (text, thawer_eof);
156 line = SvPVbyte_nolen (text); 119 line = SvPVbyte_nolen (text);
120 next ();
121}
122
123object_thawer::object_thawer (const_utf8_string path)
124{
125 init_from_file (path);
126}
127
128// convenience constructor
129object_thawer::object_thawer (const_utf8_string dir, const_utf8_string file)
130{
131 init_from_file (format ("%s/%s", dir, file));
132}
133
134void
135object_thawer::init (const_utf8_string path)
136{
137 name = strdup (path);
138 av = 0;
139 text = 0;
140 line = 0;
141 linenum = 0;
142
143 kw = KW_ERROR;
144 kw_str = 0;
145 value = 0;
146}
147
148void
149object_thawer::init_from_file (const_utf8_string path)
150{
151 init (path);
152
153 CALL_BEGIN (1);
154 CALL_ARG_SV (newSVpv (path, 0));
155 CALL_CALL ("cf::object_thawer_load", G_ARRAY);
156
157 if (count == 2)
158 {
159 // second value - perl objects
160 {
161 SV *sv = POPs;
162 if (SvROK (sv))
163 av = (AV *)SvREFCNT_inc (SvRV (sv));
164 }
165
166 // first value - text part, pad with 3 zeroes
167 {
168 SV *sv = POPs;
169 STRLEN len;
170 char *sv_ = SvPVbyte (sv, len);
171 text = newSV (len + sizeof (thawer_eof));
172 SvCUR_set (text, len + sizeof (thawer_eof));
173 memcpy (SvPVX (text), sv_, len);
174 memcpy (SvPVX (text) + len, thawer_eof, sizeof (thawer_eof));
175
176 line = SvPVX (text);
177 next ();
178 }
179 }
180
181 CALL_END;
157} 182}
158 183
159void 184void
160object_thawer::get (attachable *obj, int oid) 185object_thawer::get (attachable *obj, int oid)
161{ 186{
… …
164 189
165 SV **svp = av_fetch ((AV *)av, oid, 0); 190 SV **svp = av_fetch ((AV *)av, oid, 0);
166 191
167 if (!svp || !SvROK (*svp)) 192 if (!svp || !SvROK (*svp))
168 { 193 {
169 printf ("trying to thaw duplicate or never-issued oid %d, ignoring.\n", oid); 194 LOG (llevError, "trying to thaw duplicate or never-issued oid %d, ignoring.\n", oid);
170 return; 195 return;
171 } 196 }
172 197
173 if (!SvROK (*svp)) 198 if (!SvROK (*svp))
174 { 199 {
175 LOG (llevError, "deserialised perl object is not an RV"); 200 LOG (llevError, "deserialised perl object is not an RV\n");
176 return; 201 return;
177 } 202 }
178 203
179 HV *hv = (HV *)SvRV (*svp); 204 HV *hv = (HV *)SvRV (*svp);
180 205
181 if (SvTYPE (hv) != SVt_PVHV) 206 if (SvTYPE (hv) != SVt_PVHV)
182 { 207 {
183 LOG (llevError, "deserialised perl object is not a PVHV"); 208 LOG (llevError, "deserialised perl object is not a PVHV\n");
184 return; 209 return;
185 } 210 }
186 211
187 if (obj->self) 212 if (obj->self)
188 { 213 {
… …
212object_thawer::~object_thawer () 237object_thawer::~object_thawer ()
213{ 238{
214 if (text) SvREFCNT_dec (text); 239 if (text) SvREFCNT_dec (text);
215 if (av) SvREFCNT_dec (av); 240 if (av) SvREFCNT_dec (av);
216 241
242 resolve_delayed_derefs (false);
243
217 free ((void *)name); 244 free ((void *)name);
218} 245}
219 246
220char * 247static void
221fgets (char *s, int n, object_thawer &thawer) 248error_out ()
222{ 249{
223 char *p = thawer.line; 250 if (object_thawer::errors_are_fatal)
224 char *q = s; 251 {
252 LOG (llevError, "(parse errors at this time are fatal, exiting)");
253 exit (1);
254 }
255}
225 256
257void
258object_thawer::parse_warn (const char *msg) const
259{
260 LOG (llevWarn, "%s:%d, \"%s %s\": %s\n",
261 this->name, linenum,
262 kw_str ? kw_str : "<null>",
263 value ? value : "<null>",
264 msg);
265}
266
267bool
268object_thawer::parse_error (const char *type, const char *name, bool skip) const
269{
270 if (!type) type = "file section";
271 if (!name) name = "generic";
272
273 switch (kw)
274 {
275 case KW_EOF:
276 LOG (llevError, "%s:%d end of file while reading %s '%s', aborting load.\n",
277 this->name, linenum, type, name);
278 error_out ();
279 return false;
280
281 case KW_ERROR:
282 LOG (llevError, "%s:%d error while reading %s '%s', at '%s', aborting load.\n",
283 this->name, linenum,
284 type, name,
285 kw_str ? kw_str : "<file load>");
286 error_out ();
287 return false;
288
289 default:
290 LOG (llevError, "%s:%d unexpected line (%s %s) while reading %s '%s', %s.\n",
291 this->name, linenum,
292 kw_str ? kw_str : "<null>",
293 value ? value : "<null>",
294 type, name,
295 skip ? "skipping line" : "aborting load");
296 error_out ();
297 return skip;
298 }
299}
300
301void
302object_thawer::next ()
303{
226 if (!p) 304 if (!line)
305 {
306 kw = KW_ERROR;
227 return 0; 307 return;
228
229 while (--n)
230 { 308 }
309
310 for (;;)
311 {
312 char *p = line;
313
314 if (ecb_expect_false (*p <= ' '))
315 {
316 // skip whitespace (only some files need this)
317 while (*p == ' ' || *p == '\t')
318 p++;
319
320 line = p;
321 }
322
231 if (!*p) 323 if (!*p)
324 {
325 kw = KW_EOF;
232 break; 326 break;
233 327 }
234 *q++ = *p;
235
236 if (*p++ == '\n')
237 break;
238 }
239
240 *q = 0;
241 thawer.line = p;
242
243 return s == q ? 0 : s;
244}
245
246keyword
247object_thawer::get_kv ()
248{
249 if (!line)
250 return KW_EOF;
251
252 for (;;)
253 {
254 char *p = line;
255
256 if (!*p)
257 return KW_EOF;
258 328
259 // parse keyword 329 // parse keyword
260 while (*p > ' ') 330 while (*p > ' ')
261 p++; 331 p++;
262 332
263 int klen = p - line; 333 int klen = p - line;
264 334
335 value_nn = "";
336 value = 0;
337
265 if (*p++ != '\n') 338 if (*p++ != '\n')
266 { 339 {
267 // parse value 340 // parse value
268 while (*(unsigned char *)p <= ' ' && *p != '\n') // skip 0x01 .. 0x20 341 while (*(unsigned char *)p <= ' ' && *p != '\n')
269 ++p; 342 ++p;
270 343
271 last_value = p; 344 value_nn = value = p;
272 345
273 while (*p != '\n') 346 while (*p != '\n')
274 p++; 347 p++;
275 348
276 *p++ = 0; 349 *p++ = 0;
277 } 350 }
278 else
279 last_value = 0;
280 351
352 ++linenum;
281 line [klen] = 0; 353 line [klen] = 0;
282 keyword_idx *kw = kw_lex::match (line, klen); 354 keyword_idx *kw_idx = kw_lex::match (line, klen);
283 355
284 //printf ("KV %d<%s,%s>\n", kw ? kw->index : 0, line, last_value);//D 356 kw_str = line;
285
286 last_keyword = line;
287 line = p; 357 line = p;
288 358
289 if (kw) 359 if (kw_idx)
290 return kw->index; 360 {
361 kw = kw_idx->index;
362 break;
363 }
291 else if (!*last_keyword || *last_keyword == '#') 364 else if (!*kw_str || *kw_str == '#')
292 ; // empty/comment line 365 ; // empty/comment line
293 else 366 else
367 {
294 return KW_ERROR; 368 kw = KW_ERROR;
369 break;
370 }
371 }
372}
373
374bool
375object_thawer::next_line ()
376{
377 if (!line)
295 } 378 {
296} 379 kw = KW_ERROR;
380 return 0;
381 }
297 382
383 for (;;)
384 {
385 char *p = line;
386
387 if (ecb_expect_false (*p <= ' '))
388 {
389 // skip whitespace (only some files need this)
390 while (*p == ' ' || *p == '\t')
391 p++;
392
393 line = p;
394 }
395
396 if (!*p)
397 {
398 kw = KW_EOF;
399 return 0;
400 }
401
402 kw = KW_value;
403 kw_str = p;
404 value_nn = p;
405 value = p;
406
407 // parse till newline
408 while (*p > '\n')
409 p++;
410
411 if (*p == '\n')
412 *p++ = 0;
413
414 ++linenum;
415
416 line = p;
417
418 if (*kw_str && *kw_str != '#')
419 break;
420
421 // empty/comment line -> skip it
422 }
423
424 return 1;
425}
426
298void 427void
299object_thawer::skip_kv (keyword kw) 428object_thawer::skip ()
300{ 429{
301 shstr ml; 430 shstr ml;
302 431
303 switch (kw) 432 switch (kw)
304 { 433 {
305 case KW_msg: get_ml (KW_endmsg , ml); break; 434 case KW_msg: get_ml (KW_endmsg , ml); break;
306 case KW_lore: get_ml (KW_endlore , ml); break; 435 case KW_lore: get_ml (KW_endlore , ml); break;
307 case KW_maplore: get_ml (KW_endmaplore, ml); break; 436 case KW_maplore: get_ml (KW_endmaplore, ml); break;
437 default: break;
308 } 438 }
439
440 next ();
309} 441}
310 442
311void 443void
312object_thawer::get (shstr &sh) const 444object_thawer::skip_block ()
313{ 445{
314 if (last_value) 446 // must not stop at KW_ERROR, as those signify custom keys
315 sh = last_value; 447 while (kw != KW_EOF)
316 else
317 { 448 {
318 sh = "<value missing>"; 449 keyword w = kw;
319 LOG (llevError, "keyword \"%s\" requires value, substituting with <value missing>\n", last_keyword);//TODO: add filename 450 skip ();
451
452 if (0 && (w == KW_map || w == KW_arch || w == KW_object || w == KW_region))
453 skip_block ();
454 else if (w == KW_end)
455 break;
320 } 456 }
321} 457}
322 458
323void 459void
324object_thawer::get_ml (keyword kend, shstr &sh) 460object_thawer::get_ml (keyword kend, shstr &sh)
… …
330 kw [0] = '\n'; 466 kw [0] = '\n';
331 memcpy (kw + 1, keyword_str [kend], klen); 467 memcpy (kw + 1, keyword_str [kend], klen);
332 kw [klen + 1] = '\n'; 468 kw [klen + 1] = '\n';
333 kw [klen + 2] = 0; 469 kw [klen + 2] = 0;
334 470
471 ++linenum;
472
335 // first test for completely empty msg... "endXXX\n" 473 // first test for completely empty msg... "endXXX\n"
336 if (!strncmp (line, kw + 1, klen + 1)) 474 if (!strncmp (line, kw + 1, klen + 1))
337 { 475 {
338 sh = 0; 476 sh = 0;
339 477
… …
354 } 492 }
355 493
356 *end = 0; 494 *end = 0;
357 sh = line; 495 sh = line;
358 496
497 // count line numbers
498 while (line < end)
499 linenum += *line++ == '\n';
500
359 line = end + keyword_len [kend] + 1; 501 line += keyword_len [kend];
360 502
361 while (*line++ != '\n') 503 while (*line++ != '\n')
362 ; 504 ;
505
506 ++linenum;
363 } 507 }
364} 508}
365 509
366sint32 510sint32
367object_thawer::get_sint32 () const 511object_thawer::get_sint32 () const
368{ 512{
369 char *p = last_value; 513 const char *p = value_nn;
370
371 if (!p)
372 return 0;
373 514
374 sint32 val = 0; 515 sint32 val = 0;
375 bool negate; 516 bool negate;
376 517
377 if (*p == '-') 518 if (*p == '-')
… …
390 while (*p); 531 while (*p);
391 532
392 return negate ? -val : val; 533 return negate ? -val : val;
393} 534}
394 535
395sint64 536void
396object_thawer::get_sint64 () const 537object_thawer::delayed_deref (attachable *op, object_ptr &ptr, const char *ref)
397{ 538{
398 return last_value ? atoll (last_value) : 0; 539 op->refcnt_inc ();
540 delayed_ref r = { op, &ptr, ref ? strdup (ref) : 0 };
541 delrefs.push_back (r);
542 ptr = 0;
399} 543}
400 544
401double 545void
402object_thawer::get_double () const 546object_thawer::resolve_delayed_derefs (bool deref)
403{ 547{
404 return last_value ? atof (last_value) : 0; 548 while (!delrefs.empty ())
405} 549 {
550 delayed_ref r = delrefs.back ();
551 delrefs.pop_back ();
406 552
553 if (deref)
554 *r.ptr = object::deref (r.ref);
555
556 free ((void *)r.ref);
557 r.op->refcnt_dec ();
558 }
559}

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