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Comparing deliantra/server/server/freezethaw.C (file contents):
Revision 1.9 by root, Thu Feb 1 19:17:03 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
110bool object_thawer::errors_are_fatal = true;
111
108object_thawer::object_thawer (const char *path) 112object_thawer::object_thawer (const char *data, AV *perlav)
113: name (strdup ("(memory stream)"))
114{
115 init ("(memory stream)");
116
117 av = perlav;
118 text = newSVpv (data, 0); sv_catpv (text, thawer_eof);
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{
109: name (strdup (path)) 137 name = strdup (path);
110{
111 static const char eof[] = "\n\n\n\0\0\0";
112
113 av = 0; 138 av = 0;
114 text = 0; 139 text = 0;
115 line = 0; 140 line = 0;
116 linenum = 0; 141 linenum = 0;
117 142
143 kw = KW_ERROR;
144 kw_str = 0;
145 value = 0;
146}
147
148void
149object_thawer::init_from_file (const_utf8_string path)
150{
118 if (path) 151 init (path);
119 { 152
120 CALL_BEGIN (1); 153 CALL_BEGIN (1);
121 CALL_ARG_SV (newSVpv (path, 0)); 154 CALL_ARG_SV (newSVpv (path, 0));
122 CALL_CALL ("cf::object_thawer_load", G_ARRAY); 155 CALL_CALL ("cf::object_thawer_load", G_ARRAY);
123 156
124 if (count == 2) 157 if (count == 2)
125 { 158 {
126 // second value - perl objects 159 // second value - perl objects
127 { 160 {
128 SV *sv = POPs; 161 SV *sv = POPs;
129 if (SvROK (sv)) 162 if (SvROK (sv))
130 av = (AV *)SvREFCNT_inc (SvRV (sv)); 163 av = (AV *)SvREFCNT_inc (SvRV (sv));
131 } 164 }
132 165
133 // first value - text part, pad with 3 zeroes 166 // first value - text part, pad with 3 zeroes
134 { 167 {
135 SV *sv = POPs; 168 SV *sv = POPs;
136 STRLEN len; 169 STRLEN len;
137 char *sv_ = SvPVbyte (sv, len); 170 char *sv_ = SvPVbyte (sv, len);
138 text = newSV (len + sizeof (eof)); 171 text = newSV (len + sizeof (thawer_eof));
139 SvCUR_set (text, len); 172 SvCUR_set (text, len + sizeof (thawer_eof));
140 memcpy (SvPVX (text), sv_, len); 173 memcpy (SvPVX (text), sv_, len);
141 memcpy (SvEND (text), eof, sizeof (eof)); // just to be sure 174 memcpy (SvPVX (text) + len, thawer_eof, sizeof (thawer_eof));
142 175
143 line = SvPVX (text); 176 line = SvPVX (text);
144 } 177 next ();
145 } 178 }
179 }
146 180
147 CALL_END; 181 CALL_END;
148 }
149}
150
151object_thawer::object_thawer (const char *data, AV *perlav)
152: name (strdup ("(memory stream"))
153{
154 av = perlav;
155 text = newSVpv (data, 0);
156 sv_catpv (text, thawer_eof);
157 line = SvPVbyte_nolen (text);
158} 182}
159 183
160void 184void
161object_thawer::get (attachable *obj, int oid) 185object_thawer::get (attachable *obj, int oid)
162{ 186{
165 189
166 SV **svp = av_fetch ((AV *)av, oid, 0); 190 SV **svp = av_fetch ((AV *)av, oid, 0);
167 191
168 if (!svp || !SvROK (*svp)) 192 if (!svp || !SvROK (*svp))
169 { 193 {
170 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);
171 return; 195 return;
172 } 196 }
173 197
174 if (!SvROK (*svp)) 198 if (!SvROK (*svp))
175 { 199 {
176 LOG (llevError, "deserialised perl object is not an RV"); 200 LOG (llevError, "deserialised perl object is not an RV\n");
177 return; 201 return;
178 } 202 }
179 203
180 HV *hv = (HV *)SvRV (*svp); 204 HV *hv = (HV *)SvRV (*svp);
181 205
182 if (SvTYPE (hv) != SVt_PVHV) 206 if (SvTYPE (hv) != SVt_PVHV)
183 { 207 {
184 LOG (llevError, "deserialised perl object is not a PVHV"); 208 LOG (llevError, "deserialised perl object is not a PVHV\n");
185 return; 209 return;
186 } 210 }
187 211
188 if (obj->self) 212 if (obj->self)
189 { 213 {
213object_thawer::~object_thawer () 237object_thawer::~object_thawer ()
214{ 238{
215 if (text) SvREFCNT_dec (text); 239 if (text) SvREFCNT_dec (text);
216 if (av) SvREFCNT_dec (av); 240 if (av) SvREFCNT_dec (av);
217 241
242 resolve_delayed_derefs (false);
243
218 free ((void *)name); 244 free ((void *)name);
219} 245}
220 246
221//TODO: remove 247static void
222char * 248error_out ()
223fgets (char *s, int n, object_thawer &thawer)
224{ 249{
225 char *p = thawer.line; 250 if (object_thawer::errors_are_fatal)
226 char *q = s;
227
228 if (!p)
229 return 0;
230
231 while (--n)
232 {
233 if (!*p)
234 break;
235
236 *q++ = *p;
237
238 if (*p++ == '\n')
239 {
240 ++thawer.linenum;
241 break;
242 }
243 } 251 {
252 LOG (llevError, "(parse errors at this time are fatal, exiting)");
253 exit (1);
254 }
255}
244 256
245 *q = 0; 257void
246 thawer.line = p; 258object_thawer::parse_warn (const char *msg) const
247 259{
248 return s == q ? 0 : s; 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);
249} 265}
250 266
251bool 267bool
252object_thawer::parse_error (keyword kw, const char *type, const char *name, bool skip) 268object_thawer::parse_error (const char *type, const char *name, bool skip) const
253{ 269{
254 if (!type) type = "file section"; 270 if (!type) type = "file section";
255 if (!name) name = "generic"; 271 if (!name) name = "generic";
256 272
257 switch (kw) 273 switch (kw)
258 { 274 {
259 case KW_EOF: 275 case KW_EOF:
260 LOG (llevError, "%s:%d end of file while reading %s '%s', aborting load.\n", 276 LOG (llevError, "%s:%d end of file while reading %s '%s', aborting load.\n",
261 this->name, linenum, type, name); 277 this->name, linenum, type, name);
278 error_out ();
262 return false; 279 return false;
263 280
264 case KW_ERROR: 281 case KW_ERROR:
265 LOG (llevError, "%s:%d errornous line (%s) while reading %s '%s', aborting load.\n", 282 LOG (llevError, "%s:%d error while reading %s '%s', at '%s', aborting load.\n",
266 this->name, linenum, 283 this->name, linenum,
267 last_keyword ? last_keyword : "<null>",
268 type, name); 284 type, name,
285 kw_str ? kw_str : "<file load>");
286 error_out ();
269 return false; 287 return false;
270 288
271 default: 289 default:
272 LOG (llevError, "%s:%d unexpected line (%s %s) while reading %s '%s', %s.\n", 290 LOG (llevError, "%s:%d unexpected line (%s %s) while reading %s '%s', %s.\n",
273 this->name, linenum, 291 this->name, linenum,
274 last_keyword ? last_keyword : "<null>", 292 kw_str ? kw_str : "<null>",
275 last_value ? last_value : "<null>", 293 value ? value : "<null>",
276 type, name, 294 type, name,
277 skip ? "skipping line" : "aborting load"); 295 skip ? "skipping line" : "aborting load");
296 error_out ();
278 return skip; 297 return skip;
279 } 298 }
280} 299}
281 300
282keyword 301void
283object_thawer::get_kv () 302object_thawer::next ()
284{ 303{
285 if (!line) 304 if (!line)
286 return KW_EOF; 305 {
306 kw = KW_ERROR;
307 return;
308 }
287 309
288 for (;;) 310 for (;;)
289 { 311 {
290 char *p = line; 312 char *p = line;
291 313
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
292 if (!*p) 323 if (!*p)
293 return KW_EOF; 324 {
325 kw = KW_EOF;
326 break;
327 }
294 328
295 // parse keyword 329 // parse keyword
296 while (*p > ' ') 330 while (*p > ' ')
297 p++; 331 p++;
298 332
299 int klen = p - line; 333 int klen = p - line;
300 334
335 value_nn = "";
336 value = 0;
337
301 if (*p++ != '\n') 338 if (*p++ != '\n')
302 { 339 {
303 // parse value 340 // parse value
304 while (*(unsigned char *)p <= ' ' && *p != '\n') // skip 0x01 .. 0x20 341 while (*(unsigned char *)p <= ' ' && *p != '\n')
305 ++p; 342 ++p;
306 343
307 last_value = p; 344 value_nn = value = p;
308 345
309 while (*p != '\n') 346 while (*p != '\n')
310 p++; 347 p++;
311 348
312 *p++ = 0; 349 *p++ = 0;
313 } 350 }
314 else
315 last_value = 0;
316 351
317 ++linenum; 352 ++linenum;
318 line [klen] = 0; 353 line [klen] = 0;
319 keyword_idx *kw = kw_lex::match (line, klen); 354 keyword_idx *kw_idx = kw_lex::match (line, klen);
320 355
321 //printf ("KV %d<%s,%s>\n", kw ? kw->index : 0, line, last_value);//D 356 kw_str = line;
322
323 last_keyword = line;
324 line = p; 357 line = p;
325 358
326 if (kw) 359 if (kw_idx)
327 return kw->index; 360 {
361 kw = kw_idx->index;
362 break;
363 }
328 else if (!*last_keyword || *last_keyword == '#') 364 else if (!*kw_str || *kw_str == '#')
329 ; // empty/comment line 365 ; // empty/comment line
330 else 366 else
367 {
331 return KW_ERROR; 368 kw = KW_ERROR;
369 break;
370 }
371 }
372}
373
374bool
375object_thawer::next_line ()
376{
377 if (!line)
332 } 378 {
333} 379 kw = KW_ERROR;
380 return 0;
381 }
334 382
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
335void 427void
336object_thawer::skip_kv (keyword kw) 428object_thawer::skip ()
337{ 429{
338 shstr ml; 430 shstr ml;
339 431
340 switch (kw) 432 switch (kw)
341 { 433 {
342 case KW_msg: get_ml (KW_endmsg , ml); break; 434 case KW_msg: get_ml (KW_endmsg , ml); break;
343 case KW_lore: get_ml (KW_endlore , ml); break; 435 case KW_lore: get_ml (KW_endlore , ml); break;
344 case KW_maplore: get_ml (KW_endmaplore, ml); break; 436 case KW_maplore: get_ml (KW_endmaplore, ml); break;
437 default: break;
345 } 438 }
439
440 next ();
346} 441}
347 442
348void 443void
349object_thawer::get (shstr &sh) const 444object_thawer::skip_block ()
350{ 445{
351 if (last_value) 446 // must not stop at KW_ERROR, as those signify custom keys
352 sh = last_value; 447 while (kw != KW_EOF)
353 else
354 { 448 {
355 sh = "<value missing>"; 449 keyword w = kw;
356 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;
357 } 456 }
358} 457}
359 458
360void 459void
361object_thawer::get_ml (keyword kend, shstr &sh) 460object_thawer::get_ml (keyword kend, shstr &sh)
409} 508}
410 509
411sint32 510sint32
412object_thawer::get_sint32 () const 511object_thawer::get_sint32 () const
413{ 512{
414 char *p = last_value; 513 const char *p = value_nn;
415
416 if (!p)
417 return 0;
418 514
419 sint32 val = 0; 515 sint32 val = 0;
420 bool negate; 516 bool negate;
421 517
422 if (*p == '-') 518 if (*p == '-')
435 while (*p); 531 while (*p);
436 532
437 return negate ? -val : val; 533 return negate ? -val : val;
438} 534}
439 535
440sint64 536void
441object_thawer::get_sint64 () const 537object_thawer::delayed_deref (attachable *op, object_ptr &ptr, const char *ref)
442{ 538{
443 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;
444} 543}
445 544
446double 545void
447object_thawer::get_double () const 546object_thawer::resolve_delayed_derefs (bool deref)
448{ 547{
449 return last_value ? atof (last_value) : 0; 548 while (!delrefs.empty ())
450} 549 {
550 delayed_ref r = delrefs.back ();
551 delrefs.pop_back ();
451 552
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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