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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.135 by root, Thu Jan 4 20:29:46 2007 UTC

… …
8use Storable; 8use Storable;
9use Opcode; 9use Opcode;
10use Safe; 10use Safe;
11use Safe::Hole; 11use Safe::Hole;
12 12
13use Coro 3.3; 13use Coro 3.3 ();
14use Coro::Event; 14use Coro::Event;
15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
… …
49our $UPTIME; $UPTIME ||= time; 49our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 50our $RUNTIME;
51 51
52our %MAP; # all maps 52our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 53our $LINK_MAP; # the special {link} map
54our $FREEZE;
55our $RANDOM_MAPS = cf::localdir . "/random"; 54our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; 55our %EXT_CORO;
57 56
58binmode STDOUT; 57binmode STDOUT;
59binmode STDERR; 58binmode STDERR;
… …
71mkdir cf::localdir . "/" . cf::uniquedir; 70mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 71mkdir $RANDOM_MAPS;
73 72
74# a special map that is always available 73# a special map that is always available
75our $LINK_MAP; 74our $LINK_MAP;
76 75our $EMERGENCY_POSITION;
77our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78 76
79############################################################################# 77#############################################################################
80 78
81=head2 GLOBAL VARIABLES 79=head2 GLOBAL VARIABLES
82 80
… …
181sub to_json($) { 179sub to_json($) {
182 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 180 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183 JSON::Syck::Dump $_[0] 181 JSON::Syck::Dump $_[0]
184} 182}
185 183
184=item cf::lock_wait $string
185
186Wait until the given lock is available. See cf::lock_acquire.
187
188=item my $lock = cf::lock_acquire $string
189
190Wait until the given lock is available and then acquires it and returns
191a Coro::guard object. If the guard object gets destroyed (goes out of scope,
192for example when the coroutine gets canceled), the lock is automatically
193returned.
194
195Lock names should begin with a unique identifier (for example, cf::map::find
196uses map_find and cf::map::load uses map_load).
197
198=cut
199
200our %LOCK;
201
202sub lock_wait($) {
203 my ($key) = @_;
204
205 # wait for lock, if any
206 while ($LOCK{$key}) {
207 push @{ $LOCK{$key} }, $Coro::current;
208 Coro::schedule;
209 }
210}
211
212sub lock_acquire($) {
213 my ($key) = @_;
214
215 # wait, to be sure we are not locked
216 lock_wait $key;
217
218 $LOCK{$key} = [];
219
220 Coro::guard {
221 # wake up all waiters, to be on the safe side
222 $_->ready for @{ delete $LOCK{$key} };
223 }
224}
225
226=item cf::async { BLOCK }
227
228Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229error instead of exiting the server in case of a problem.
230
231=cut
232
233sub async(&) {
234 my ($cb) = @_;
235
236 Coro::async {
237 eval { $cb->() };
238 warn $@ if $@;
239 }
240}
241
242sub freeze_mainloop {
243 return unless $TICK_WATCHER->is_active;
244
245 my $guard = Coro::guard { $TICK_WATCHER->start };
246 $TICK_WATCHER->stop;
247 $guard
248}
249
186=item cf::sync_job { BLOCK } 250=item cf::sync_job { BLOCK }
187 251
188The design of crossfire+ requires that the main coro ($Coro::main) is 252The design of crossfire+ requires that the main coro ($Coro::main) is
189always able to handle events or runnable, as crossfire+ is only partly 253always able to handle events or runnable, as crossfire+ is only partly
190reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 254reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
… …
197=cut 261=cut
198 262
199sub sync_job(&) { 263sub sync_job(&) {
200 my ($job) = @_; 264 my ($job) = @_;
201 265
202 my $busy = 1;
203 my @res;
204
205 my $coro = Coro::async {
206 @res = eval { $job->() };
207 warn $@ if $@;
208 undef $busy;
209 };
210
211 if ($Coro::current == $Coro::main) { 266 if ($Coro::current == $Coro::main) {
267 # this is the main coro, too bad, we have to block
268 # till the operation succeeds, freezing the server :/
269
212 # TODO: use suspend/resume instead 270 # TODO: use suspend/resume instead
213 local $FREEZE = 1; 271 # (but this is cancel-safe)
272 my $freeze_guard = freeze_mainloop;
273
274 my $busy = 1;
275 my @res;
276
277 (Coro::async {
278 @res = eval { $job->() };
279 warn $@ if $@;
280 undef $busy;
214 $coro->prio (Coro::PRIO_MAX); 281 })->prio (Coro::PRIO_MAX);
282
215 while ($busy) { 283 while ($busy) {
216 Coro::cede_notself; 284 Coro::cede_notself;
217 Event::one_event unless Coro::nready; 285 Event::one_event unless Coro::nready;
218 } 286 }
287
288 wantarray ? @res : $res[0]
219 } else { 289 } else {
220 $coro->join; 290 # we are in another coroutine, how wonderful, everything just works
291
292 $job->()
221 } 293 }
222
223 wantarray ? @res : $res[0]
224} 294}
225 295
226=item $coro = cf::coro { BLOCK } 296=item $coro = cf::coro { BLOCK }
227 297
228Creates and returns a new coro. This coro is automcatially being canceled 298Creates and returns a new coro. This coro is automcatially being canceled
… …
231=cut 301=cut
232 302
233sub coro(&) { 303sub coro(&) {
234 my $cb = shift; 304 my $cb = shift;
235 305
236 my $coro; $coro = async { 306 my $coro = &cf::async ($cb);
237 eval {
238 $cb->();
239 };
240 warn $@ if $@;
241 };
242 307
243 $coro->on_destroy (sub { 308 $coro->on_destroy (sub {
244 delete $EXT_CORO{$coro+0}; 309 delete $EXT_CORO{$coro+0};
245 }); 310 });
246 $EXT_CORO{$coro+0} = $coro; 311 $EXT_CORO{$coro+0} = $coro;
… …
252 my $runtime = cf::localdir . "/runtime"; 317 my $runtime = cf::localdir . "/runtime";
253 318
254 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 319 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255 or return; 320 or return;
256 321
257 my $value = $cf::RUNTIME; 322 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
258 (aio_write $fh, 0, (length $value), $value, 0) <= 0 323 (aio_write $fh, 0, (length $value), $value, 0) <= 0
259 and return; 324 and return;
260 325
261 aio_fsync $fh 326 aio_fsync $fh
262 and return; 327 and return;
… …
283 348
284 $path = $path->as_string if ref $path; 349 $path = $path->as_string if ref $path;
285 350
286 my $self = bless { }, $class; 351 my $self = bless { }, $class;
287 352
353 # {... are special paths that are not touched
354 # ?xxx/... are special absolute paths
355 # ?random/... random maps
356 # /! non-realised random map exit
357 # /... normal maps
358 # ~/... per-player maps without a specific player (DO NOT USE)
359 # ~user/... per-player map of a specific user
360
361 if ($path =~ /^{/) {
362 # fine as it is
288 if ($path =~ s{^\?random/}{}) { 363 } elsif ($path =~ s{^\?random/}{}) {
289 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data; 364 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290 $self->{random} = cf::from_json $data; 365 $self->{random} = cf::from_json $data;
291 } else { 366 } else {
292 if ($path =~ s{^~([^/]+)?}{}) { 367 if ($path =~ s{^~([^/]+)?}{}) {
293 $self->{user_rel} = 1; 368 $self->{user_rel} = 1;
… …
798 or return; 873 or return;
799 874
800 unless (aio_stat "$filename.pst") { 875 unless (aio_stat "$filename.pst") {
801 (aio_load "$filename.pst", $av) >= 0 876 (aio_load "$filename.pst", $av) >= 0
802 or return; 877 or return;
803 $av = eval { (Storable::thaw <$av>)->{objs} }; 878 $av = eval { (Storable::thaw $av)->{objs} };
804 } 879 }
805 880
881 warn sprintf "loading %s (%d)\n",
882 $filename, length $data, scalar @{$av || []};#d#
806 return ($data, $av); 883 return ($data, $av);
807} 884}
808 885
809############################################################################# 886#############################################################################
810# command handling &c 887# command handling &c
… …
1044package cf::map; 1121package cf::map;
1045 1122
1046use Fcntl; 1123use Fcntl;
1047use Coro::AIO; 1124use Coro::AIO;
1048 1125
1049our $MAX_RESET = 7200; 1126our $MAX_RESET = 3600;
1050our $DEFAULT_RESET = 3600; 1127our $DEFAULT_RESET = 3000;
1051$MAX_RESET = 10;#d#
1052$DEFAULT_RESET = 10;#d#
1053 1128
1054sub generate_random_map { 1129sub generate_random_map {
1055 my ($path, $rmp) = @_; 1130 my ($path, $rmp) = @_;
1056 1131
1057 # mit "rum" bekleckern, nicht 1132 # mit "rum" bekleckern, nicht
… …
1073# and all this just because we cannot iterate over 1148# and all this just because we cannot iterate over
1074# all maps in C++... 1149# all maps in C++...
1075sub change_all_map_light { 1150sub change_all_map_light {
1076 my ($change) = @_; 1151 my ($change) = @_;
1077 1152
1078 $_->change_map_light ($change) for values %cf::MAP; 1153 $_->change_map_light ($change)
1154 for grep $_->outdoor, values %cf::MAP;
1079} 1155}
1080 1156
1081sub try_load_header($) { 1157sub try_load_header($) {
1082 my ($path) = @_; 1158 my ($path) = @_;
1083 1159
… …
1086 or return; 1162 or return;
1087 1163
1088 my $map = cf::map::new 1164 my $map = cf::map::new
1089 or return; 1165 or return;
1090 1166
1167 # for better error messages only, will be overwritten
1168 $map->path ($path);
1169
1091 $map->load_header ($path) 1170 $map->load_header ($path)
1092 or return; 1171 or return;
1093 1172
1094 $map->{load_path} = $path; 1173 $map->{load_path} = $path;
1095 use Data::Dumper; warn Dumper $map;#d#
1096 1174
1097 $map 1175 $map
1098} 1176}
1099 1177
1178sub find;
1100sub find_map { 1179sub find {
1101 my ($path, $origin) = @_; 1180 my ($path, $origin) = @_;
1102 1181
1103 #warn "find_map<$path,$origin>\n";#d# 1182 #warn "find<$path,$origin>\n";#d#
1104 1183
1105 $path = ref $path ? $path : new cf::path $path, $origin && $origin->path; 1184 $path = new cf::path $path, $origin && $origin->path;
1106 my $key = $path->as_string; 1185 my $key = $path->as_string;
1107 1186
1187 cf::lock_wait "map_find:$key";
1188
1108 $cf::MAP{$key} || do { 1189 $cf::MAP{$key} || do {
1190 my $guard = cf::lock_acquire "map_find:$key";
1191
1109 # do it the slow way 1192 # do it the slow way
1110 my $map = try_load_header $path->save_path; 1193 my $map = try_load_header $path->save_path;
1111 1194
1195 Coro::cede;
1196
1112 if ($map) { 1197 if ($map) {
1198 $map->last_access ((delete $map->{last_access})
1199 || $cf::RUNTIME); #d#
1113 # safety 1200 # safety
1114 $map->{instantiate_time} = $cf::RUNTIME 1201 $map->{instantiate_time} = $cf::RUNTIME
1115 if $map->{instantiate_time} > $cf::RUNTIME; 1202 if $map->{instantiate_time} > $cf::RUNTIME;
1116 } else { 1203 } else {
1117 if (my $rmp = $path->random_map_params) { 1204 if (my $rmp = $path->random_map_params) {
… …
1120 $map = try_load_header $path->load_path; 1207 $map = try_load_header $path->load_path;
1121 } 1208 }
1122 1209
1123 $map or return; 1210 $map or return;
1124 1211
1212 $map->{load_original} = 1;
1125 $map->{instantiate_time} = $cf::RUNTIME; 1213 $map->{instantiate_time} = $cf::RUNTIME;
1214 $map->last_access ($cf::RUNTIME);
1126 $map->instantiate; 1215 $map->instantiate;
1127 1216
1128 # per-player maps become, after loading, normal maps 1217 # per-player maps become, after loading, normal maps
1129 $map->per_player (0) if $path->{user_rel}; 1218 $map->per_player (0) if $path->{user_rel};
1130 } 1219 }
1131 1220
1132 $map->path ($key); 1221 $map->path ($key);
1133 $map->{path} = $path; 1222 $map->{path} = $path;
1134 $map->last_access ($cf::RUNTIME); 1223 $map->{last_save} = $cf::RUNTIME;
1135 1224
1225 Coro::cede;
1226
1136 $map->reset if $map->should_reset; 1227 if ($map->should_reset) {
1228 $map->reset;
1229 undef $guard;
1230 $map = find $path
1231 or return;
1232 }
1137 1233
1138 $cf::MAP{$key} = $map 1234 $cf::MAP{$key} = $map
1139 } 1235 }
1140} 1236}
1141 1237
1142sub load { 1238sub load {
1143 my ($self) = @_; 1239 my ($self) = @_;
1144 1240
1241 my $path = $self->{path};
1242 my $guard = cf::lock_acquire "map_load:" . $path->as_string;
1243
1145 return if $self->in_memory != cf::MAP_SWAPPED; 1244 return if $self->in_memory != cf::MAP_SWAPPED;
1146 1245
1147 $self->in_memory (cf::MAP_LOADING); 1246 $self->in_memory (cf::MAP_LOADING);
1148
1149 my $path = $self->{path};
1150 1247
1151 $self->alloc; 1248 $self->alloc;
1152 $self->load_objects ($self->{load_path}, 1) 1249 $self->load_objects ($self->{load_path}, 1)
1153 or return; 1250 or return;
1251
1252 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253 if delete $self->{load_original};
1154 1254
1155 if (my $uniq = $path->uniq_path) { 1255 if (my $uniq = $path->uniq_path) {
1156 utf8::encode $uniq; 1256 utf8::encode $uniq;
1157 if (aio_open $uniq, O_RDONLY, 0) { 1257 if (aio_open $uniq, O_RDONLY, 0) {
1158 $self->clear_unique_items; 1258 $self->clear_unique_items;
1159 $self->load_objects ($uniq, 0); 1259 $self->load_objects ($uniq, 0);
1160 } 1260 }
1161 } 1261 }
1262
1263 Coro::cede;
1162 1264
1163 # now do the right thing for maps 1265 # now do the right thing for maps
1164 $self->link_multipart_objects; 1266 $self->link_multipart_objects;
1165 1267
1166 if ($self->{path}->is_style_map) { 1268 if ($self->{path}->is_style_map) {
… …
1174 $self->difficulty ($self->estimate_difficulty) 1276 $self->difficulty ($self->estimate_difficulty)
1175 unless $self->difficulty; 1277 unless $self->difficulty;
1176 $self->activate; 1278 $self->activate;
1177 } 1279 }
1178 1280
1281 Coro::cede;
1282
1179 $self->in_memory (cf::MAP_IN_MEMORY); 1283 $self->in_memory (cf::MAP_IN_MEMORY);
1180} 1284}
1181 1285
1182sub load_map_sync { 1286sub find_sync {
1183 my ($path, $origin) = @_; 1287 my ($path, $origin) = @_;
1184 1288
1185 #warn "load_map_sync<$path, $origin>\n";#d# 1289 cf::sync_job { cf::map::find $path, $origin }
1290}
1186 1291
1187 cf::sync_job { 1292sub do_load_sync {
1188 my $map = cf::map::find_map $path, $origin 1293 my ($map) = @_;
1189 or return; 1294
1190 $map->load; 1295 cf::sync_job { $map->load };
1191 $map
1192 }
1193} 1296}
1194 1297
1195sub save { 1298sub save {
1196 my ($self) = @_; 1299 my ($self) = @_;
1197 1300
1301 $self->{last_save} = $cf::RUNTIME;
1302
1303 return unless $self->dirty;
1304
1198 my $save = $self->{path}->save_path; utf8::encode $save; 1305 my $save = $self->{path}->save_path; utf8::encode $save;
1199 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1306 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200 1307
1201 $self->{last_save} = $cf::RUNTIME;
1202
1203 return unless $self->dirty;
1204
1205 $self->{load_path} = $save; 1308 $self->{load_path} = $save;
1206 1309
1207 return if $self->{deny_save}; 1310 return if $self->{deny_save};
1208 1311
1209 warn "saving map ", $self->path; 1312 local $self->{last_access} = $self->last_access;#d#
1210 1313
1211 if ($uniq) { 1314 if ($uniq) {
1212 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1315 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213 $self->save_objects ($uniq, cf::IO_UNIQUES); 1316 $self->save_objects ($uniq, cf::IO_UNIQUES);
1214 } else { 1317 } else {
… …
1217} 1320}
1218 1321
1219sub swap_out { 1322sub swap_out {
1220 my ($self) = @_; 1323 my ($self) = @_;
1221 1324
1325 # save first because save cedes
1326 $self->save;
1327
1222 return if $self->players; 1328 return if $self->players;
1223 return if $self->in_memory != cf::MAP_IN_MEMORY; 1329 return if $self->in_memory != cf::MAP_IN_MEMORY;
1224 return if $self->{deny_save}; 1330 return if $self->{deny_save};
1225 1331
1226 $self->save;
1227 $self->clear; 1332 $self->clear;
1228 $self->in_memory (cf::MAP_SWAPPED); 1333 $self->in_memory (cf::MAP_SWAPPED);
1229} 1334}
1230 1335
1336sub reset_at {
1337 my ($self) = @_;
1338
1339 # TODO: safety, remove and allow resettable per-player maps
1340 return 1e99 if $self->{path}{user_rel};
1341 return 1e99 if $self->{deny_reset};
1342
1343 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345
1346 $time + $to
1347}
1348
1231sub should_reset { 1349sub should_reset {
1232 my ($map) = @_;
1233
1234 # TODO: safety, remove and allow resettable per-player maps
1235 return if $map->{path}{user_rel};#d#
1236 return if $map->{deny_reset};
1237 #return unless $map->reset_timeout;
1238
1239 my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1240
1241 $time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME
1242}
1243
1244sub reset {
1245 my ($self) = @_; 1350 my ($self) = @_;
1246 1351
1247 return if $self->players; 1352 $self->reset_at <= $cf::RUNTIME
1248 return if $self->{path}{user_rel};#d# 1353}
1249 1354
1250 warn "resetting map ", $self->path;#d# 1355sub unlink_save {
1356 my ($self) = @_;
1251 1357
1252 utf8::encode (my $save = $self->{path}->save_path); 1358 utf8::encode (my $save = $self->{path}->save_path);
1253 aioreq_pri 3; IO::AIO::aio_unlink $save; 1359 aioreq_pri 3; IO::AIO::aio_unlink $save;
1254 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst"; 1360 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361}
1362
1363sub rename {
1364 my ($self, $new_path) = @_;
1365
1366 $self->unlink_save;
1367
1368 delete $cf::MAP{$self->path};
1369 $self->{path} = new cf::path $new_path;
1370 $self->path ($self->{path}->as_string);
1371 $cf::MAP{$self->path} = $self;
1372
1373 $self->save;
1374}
1375
1376sub reset {
1377 my ($self) = @_;
1378
1379 return if $self->players;
1380 return if $self->{path}{user_rel};#d#
1381
1382 warn "resetting map ", $self->path;#d#
1383
1384 delete $cf::MAP{$self->path};
1255 1385
1256 $_->clear_links_to ($self) for values %cf::MAP; 1386 $_->clear_links_to ($self) for values %cf::MAP;
1257 1387
1388 $self->unlink_save;
1258 $self->clear; 1389 $self->destroy;
1259 $self->in_memory (cf::MAP_SWAPPED); 1390}
1260 utf8::encode ($self->{load_path} = $self->{path}->load_path); 1391
1392my $nuke_counter = "aaaa";
1393
1394sub nuke {
1395 my ($self) = @_;
1396
1397 $self->{deny_save} = 1;
1398 $self->reset_timeout (1);
1399 $self->rename ("{nuke}/" . ($nuke_counter++));
1400 $self->reset; # polite request, might not happen
1261} 1401}
1262 1402
1263sub customise_for { 1403sub customise_for {
1264 my ($map, $ob) = @_; 1404 my ($map, $ob) = @_;
1265 1405
1266 if ($map->per_player) { 1406 if ($map->per_player) {
1267 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1407 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1268 } 1408 }
1269 1409
1270 $map 1410 $map
1271} 1411}
1272 1412
1273sub emergency_save { 1413sub emergency_save {
1274 local $cf::FREEZE = 1; 1414 my $freeze_guard = cf::freeze_mainloop;
1275 1415
1276 warn "enter emergency map save\n"; 1416 warn "enter emergency map save\n";
1277 1417
1278 cf::sync_job { 1418 cf::sync_job {
1279 warn "begin emergency map save\n"; 1419 warn "begin emergency map save\n";
… …
1330 (ref $cf::CFG{"may_$access"} 1470 (ref $cf::CFG{"may_$access"}
1331 ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} 1471 ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332 : $cf::CFG{"may_$access"}) 1472 : $cf::CFG{"may_$access"})
1333} 1473}
1334 1474
1475=item $player_object->enter_link
1476
1477Freezes the player and moves him/her to a special map (C<{link}>).
1478
1479The player should be reaosnably safe there for short amounts of time. You
1480I<MUST> call C<leave_link> as soon as possible, though.
1481
1482=item $player_object->leave_link ($map, $x, $y)
1483
1484Moves the player out of the specila link map onto the given map. If the
1485map is not valid (or omitted), the player will be moved back to the
1486location he/she was before the call to C<enter_link>, or, if that fails,
1487to the emergency map position.
1488
1489Might block.
1490
1491=cut
1492
1335sub cf::object::player::enter_link { 1493sub cf::object::player::enter_link {
1336 my ($self) = @_; 1494 my ($self) = @_;
1337 1495
1496 $self->deactivate_recursive;
1497
1338 return if $self->map == $LINK_MAP; 1498 return if $self->map == $LINK_MAP;
1339 1499
1340 $self->{_link_pos} = [$self->map->{path}, $self->x, $self->y] 1500 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341 if $self->map; 1501 if $self->map;
1342 1502
1343 $self->enter_map ($LINK_MAP, 20, 20); 1503 $self->enter_map ($LINK_MAP, 20, 20);
1344 $self->deactivate_recursive;
1345} 1504}
1346 1505
1347sub cf::object::player::leave_link { 1506sub cf::object::player::leave_link {
1348 my ($self, $map, $x, $y) = @_; 1507 my ($self, $map, $x, $y) = @_;
1349 1508
1350 my $link_pos = delete $self->{_link_pos}; 1509 my $link_pos = delete $self->{_link_pos};
1351 1510
1352 unless ($map) { 1511 unless ($map) {
1353 $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355 # restore original map position 1512 # restore original map position
1356 ($map, $x, $y) = @{ $link_pos || [] }; 1513 ($map, $x, $y) = @{ $link_pos || [] };
1357 $map = cf::map::find_map $map; 1514 $map = cf::map::find $map;
1358 1515
1359 unless ($map) { 1516 unless ($map) {
1360 ($map, $x, $y) = @$EMERGENCY_POSITION; 1517 ($map, $x, $y) = @$EMERGENCY_POSITION;
1361 $map = cf::map::find_map $map 1518 $map = cf::map::find $map
1362 or die "FATAL: cannot load emergency map\n"; 1519 or die "FATAL: cannot load emergency map\n";
1363 } 1520 }
1364 } 1521 }
1365 1522
1366 ($x, $y) = (-1, -1) 1523 ($x, $y) = (-1, -1)
… …
1374 1531
1375 $self->activate_recursive; 1532 $self->activate_recursive;
1376 $self->enter_map ($map, $x, $y); 1533 $self->enter_map ($map, $x, $y);
1377} 1534}
1378 1535
1536cf::player->attach (
1537 on_logout => sub {
1538 my ($pl) = @_;
1539
1540 # abort map switching before logout
1541 if ($pl->ob->{_link_pos}) {
1542 cf::sync_job {
1543 $pl->ob->leave_link
1544 };
1545 }
1546 },
1547 on_login => sub {
1548 my ($pl) = @_;
1549
1550 # try to abort aborted map switching on player login :)
1551 # should happen only on crashes
1552 if ($pl->ob->{_link_pos}) {
1553 $pl->ob->enter_link;
1554 cf::async {
1555 # we need this sleep as the login has a concurrent enter_exit running
1556 # and this sleep increases chances of the player not ending up in scorn
1557 Coro::Timer::sleep 1;
1558 $pl->ob->leave_link;
1559 };
1560 }
1561 },
1562);
1563
1379=item $player_object->goto_map ($map, $x, $y) 1564=item $player_object->goto_map ($path, $x, $y)
1380 1565
1381=cut 1566=cut
1382 1567
1383sub cf::object::player::goto_map { 1568sub cf::object::player::goto_map {
1384 my ($self, $path, $x, $y) = @_; 1569 my ($self, $path, $x, $y) = @_;
1385 1570
1386 $self->enter_link; 1571 $self->enter_link;
1387 1572
1388 (Coro::async { 1573 (cf::async {
1389 $path = new cf::path $path; 1574 $path = new cf::path $path;
1390 1575
1391 my $map = cf::map::find_map $path->as_string; 1576 my $map = cf::map::find $path->as_string;
1392 $map = $map->customise_for ($self) if $map; 1577 $map = $map->customise_for ($self) if $map;
1393 1578
1394 warn "entering ", $map->path, " at ($x, $y)\n" 1579# warn "entering ", $map->path, " at ($x, $y)\n"
1395 if $map; 1580# if $map;
1581
1582 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1396 1583
1397 $self->leave_link ($map, $x, $y); 1584 $self->leave_link ($map, $x, $y);
1398 })->prio (1); 1585 })->prio (1);
1399} 1586}
1400 1587
… …
1453 1640
1454 return unless $self->type == cf::PLAYER; 1641 return unless $self->type == cf::PLAYER;
1455 1642
1456 $self->enter_link; 1643 $self->enter_link;
1457 1644
1458 (Coro::async { 1645 (cf::async {
1646 $self->deactivate_recursive; # just to be sure
1459 unless (eval { 1647 unless (eval {
1460
1461 prepare_random_map $exit 1648 prepare_random_map $exit
1462 if $exit->slaying eq "/!"; 1649 if $exit->slaying eq "/!";
1463 1650
1464 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1651 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1465 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 1652 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
… …
1527 on_reply => sub { 1714 on_reply => sub {
1528 my ($ns, $msg) = @_; 1715 my ($ns, $msg) = @_;
1529 1716
1530 # this weird shuffling is so that direct followup queries 1717 # this weird shuffling is so that direct followup queries
1531 # get handled first 1718 # get handled first
1532 my $queue = delete $ns->{query_queue}; 1719 my $queue = delete $ns->{query_queue}
1720 or return; # be conservative, not sure how that can happen, but we saw a crash here
1533 1721
1534 (shift @$queue)->[1]->($msg); 1722 (shift @$queue)->[1]->($msg);
1535 1723
1536 push @{ $ns->{query_queue} }, @$queue; 1724 push @{ $ns->{query_queue} }, @$queue;
1537 1725
… …
1554=cut 1742=cut
1555 1743
1556sub cf::client::coro { 1744sub cf::client::coro {
1557 my ($self, $cb) = @_; 1745 my ($self, $cb) = @_;
1558 1746
1559 my $coro; $coro = async { 1747 my $coro = &cf::async ($cb);
1560 eval {
1561 $cb->();
1562 };
1563 warn $@ if $@;
1564 };
1565 1748
1566 $coro->on_destroy (sub { 1749 $coro->on_destroy (sub {
1567 delete $self->{_coro}{$coro+0}; 1750 delete $self->{_coro}{$coro+0};
1568 }); 1751 });
1569 1752
… …
1741 1924
1742{ 1925{
1743 my $path = cf::localdir . "/database.pst"; 1926 my $path = cf::localdir . "/database.pst";
1744 1927
1745 sub db_load() { 1928 sub db_load() {
1746 warn "loading database $path\n";#d# remove later
1747 $DB = stat $path ? Storable::retrieve $path : { }; 1929 $DB = stat $path ? Storable::retrieve $path : { };
1748 } 1930 }
1749 1931
1750 my $pid; 1932 my $pid;
1751 1933
1752 sub db_save() { 1934 sub db_save() {
1753 warn "saving database $path\n";#d# remove later
1754 waitpid $pid, 0 if $pid; 1935 waitpid $pid, 0 if $pid;
1755 if (0 == ($pid = fork)) { 1936 if (0 == ($pid = fork)) {
1756 $DB->{_meta}{version} = 1; 1937 $DB->{_meta}{version} = 1;
1757 Storable::nstore $DB, "$path~"; 1938 Storable::nstore $DB, "$path~";
1758 rename "$path~", $path; 1939 rename "$path~", $path;
… …
1806 open my $fh, "<:utf8", cf::confdir . "/config" 1987 open my $fh, "<:utf8", cf::confdir . "/config"
1807 or return; 1988 or return;
1808 1989
1809 local $/; 1990 local $/;
1810 *CFG = YAML::Syck::Load <$fh>; 1991 *CFG = YAML::Syck::Load <$fh>;
1992
1993 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994
1995 if (exists $CFG{mlockall}) {
1996 eval {
1997 $CFG{mlockall} ? &mlockall : &munlockall
1998 and die "WARNING: m(un)lockall failed: $!\n";
1999 };
2000 warn $@ if $@;
2001 }
1811} 2002}
1812 2003
1813sub main { 2004sub main {
1814 # we must not ever block the main coroutine 2005 # we must not ever block the main coroutine
1815 local $Coro::idle = sub { 2006 local $Coro::idle = sub {
1816 Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d# 2007 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817 (Coro::unblock_sub { 2008 (Coro::unblock_sub {
1818 Event::one_event; 2009 Event::one_event;
1819 })->(); 2010 })->();
1820 }; 2011 };
1821 2012
… …
1826} 2017}
1827 2018
1828############################################################################# 2019#############################################################################
1829# initialisation 2020# initialisation
1830 2021
1831sub perl_reload() { 2022sub reload() {
1832 # can/must only be called in main 2023 # can/must only be called in main
1833 if ($Coro::current != $Coro::main) { 2024 if ($Coro::current != $Coro::main) {
1834 warn "can only reload from main coroutine\n"; 2025 warn "can only reload from main coroutine\n";
1835 return; 2026 return;
1836 } 2027 }
1837 2028
1838 warn "reloading..."; 2029 warn "reloading...";
1839 2030
1840 local $FREEZE = 1; 2031 my $guard = freeze_mainloop;
1841 cf::emergency_save; 2032 cf::emergency_save;
1842 2033
1843 eval { 2034 eval {
1844 # if anything goes wrong in here, we should simply crash as we already saved 2035 # if anything goes wrong in here, we should simply crash as we already saved
1845 2036
… …
1963 $cf::MAP{$LINK_MAP->path} = $LINK_MAP; 2154 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964} 2155}
1965 2156
1966register "<global>", __PACKAGE__; 2157register "<global>", __PACKAGE__;
1967 2158
1968register_command "perl-reload" => sub { 2159register_command "reload" => sub {
1969 my ($who, $arg) = @_; 2160 my ($who, $arg) = @_;
1970 2161
1971 if ($who->flag (FLAG_WIZ)) { 2162 if ($who->flag (FLAG_WIZ)) {
1972 $who->message ("start of reload."); 2163 $who->message ("start of reload.");
1973 perl_reload; 2164 reload;
1974 $who->message ("end of reload."); 2165 $who->message ("end of reload.");
1975 } 2166 }
1976}; 2167};
1977 2168
1978unshift @INC, $LIBDIR; 2169unshift @INC, $LIBDIR;
… …
1981 reentrant => 0, 2172 reentrant => 0,
1982 prio => 0, 2173 prio => 0,
1983 at => $NEXT_TICK || $TICK, 2174 at => $NEXT_TICK || $TICK,
1984 data => WF_AUTOCANCEL, 2175 data => WF_AUTOCANCEL,
1985 cb => sub { 2176 cb => sub {
1986 unless ($FREEZE) {
1987 cf::server_tick; # one server iteration 2177 cf::server_tick; # one server iteration
1988 $RUNTIME += $TICK; 2178 $RUNTIME += $TICK;
1989 }
1990
1991 $NEXT_TICK += $TICK; 2179 $NEXT_TICK += $TICK;
1992 2180
1993 # if we are delayed by four ticks or more, skip them all 2181 # if we are delayed by four ticks or more, skip them all
1994 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2182 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995 2183
… …
2018 or warn "ERROR: unable to write runtime file: $!"; 2206 or warn "ERROR: unable to write runtime file: $!";
2019 })->(); 2207 })->();
2020 }, 2208 },
2021); 2209);
2022 2210
2211END { cf::emergency_save }
2212
20231 22131
2024 2214

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