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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.120 by root, Tue Jan 2 11:08:36 2007 UTC vs.
Revision 1.153 by root, Mon Jan 8 23:36:16 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;
19 19
20use Digest::MD5; 20use Digest::MD5;
21use Fcntl; 21use Fcntl;
22use IO::AIO 2.31 (); 22use IO::AIO 2.32 ();
23use YAML::Syck (); 23use YAML::Syck ();
24use Time::HiRes; 24use Time::HiRes;
25 25
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 26use Event; $Event::Eval = 1; # no idea why this is required, but it is
27 27
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 29$YAML::Syck::ImplicitUnicode = 1;
30 30
31$Coro::main->prio (2); # run main coroutine ("the server") with very high priority 31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 34
35our %COMMAND = (); 35our %COMMAND = ();
36our %COMMAND_TIME = (); 36our %COMMAND_TIME = ();
… …
47our %CFG; 47our %CFG;
48 48
49our $UPTIME; $UPTIME ||= time; 49our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 50our $RUNTIME;
51 51
52our %PLAYER; # all users
52our %MAP; # all maps 53our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 54our $LINK_MAP; # the special {link} map
54our $FREEZE;
55our $RANDOM_MAPS = cf::localdir . "/random"; 55our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; 56our %EXT_CORO; # coroutines bound to extensions
57 57
58binmode STDOUT; 58binmode STDOUT;
59binmode STDERR; 59binmode STDERR;
60 60
61# read virtual server time, if available 61# read virtual server time, if available
… …
71mkdir cf::localdir . "/" . cf::uniquedir; 71mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 72mkdir $RANDOM_MAPS;
73 73
74# a special map that is always available 74# a special map that is always available
75our $LINK_MAP; 75our $LINK_MAP;
76 76our $EMERGENCY_POSITION;
77our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78 77
79############################################################################# 78#############################################################################
80 79
81=head2 GLOBAL VARIABLES 80=head2 GLOBAL VARIABLES
82 81
… …
119 utf8::encode $msg; 118 utf8::encode $msg;
120 119
121 $msg .= "\n" 120 $msg .= "\n"
122 unless $msg =~ /\n$/; 121 unless $msg =~ /\n$/;
123 122
124 LOG llevError, "cfperl: $msg"; 123 LOG llevError, $msg;
125 }; 124 };
126} 125}
127 126
128@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
… …
181sub to_json($) { 180sub to_json($) {
182 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183 JSON::Syck::Dump $_[0] 182 JSON::Syck::Dump $_[0]
184} 183}
185 184
186=item my $guard = cf::guard { BLOCK }
187
188Run the given callback when the guard object gets destroyed (useful for
189coroutine cancellations).
190
191You can call C<< ->cancel >> on the guard object to stop the block from
192being executed.
193
194=cut
195
196sub guard(&) {
197 bless \(my $cb = $_[0]), cf::guard::;
198}
199
200sub cf::guard::cancel {
201 ${$_[0]} = sub { };
202}
203
204sub cf::guard::DESTROY {
205 ${$_[0]}->();
206}
207
208=item cf::lock_wait $string 185=item cf::lock_wait $string
209 186
210Wait until the given lock is available. See cf::lock_acquire. 187Wait until the given lock is available. See cf::lock_acquire.
211 188
212=item my $lock = cf::lock_acquire $string 189=item my $lock = cf::lock_acquire $string
213 190
214Wait until the given lock is available and then acquires it and returns 191Wait until the given lock is available and then acquires it and returns
215a guard object. If the guard object gets destroyed (goes out of scope, 192a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216for example when the coroutine gets canceled), the lock is automatically 193for example when the coroutine gets canceled), the lock is automatically
217returned. 194returned.
218 195
219Lock names should begin with a unique identifier (for example, find_map 196Lock names should begin with a unique identifier (for example, cf::map::find
220uses map_find and load_map uses map_load). 197uses map_find and cf::map::load uses map_load).
221 198
222=cut 199=cut
223 200
224our %LOCK; 201our %LOCK;
225 202
… …
239 # wait, to be sure we are not locked 216 # wait, to be sure we are not locked
240 lock_wait $key; 217 lock_wait $key;
241 218
242 $LOCK{$key} = []; 219 $LOCK{$key} = [];
243 220
244 cf::guard { 221 Coro::guard {
245 # wake up all waiters, to be on the safe side 222 # wake up all waiters, to be on the safe side
246 $_->ready for @{ delete $LOCK{$key} }; 223 $_->ready for @{ delete $LOCK{$key} };
247 } 224 }
248} 225}
226
227sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active;
229
230 my $guard = Coro::guard { $TICK_WATCHER->start };
231 $TICK_WATCHER->stop;
232 $guard
233}
234
235=item cf::async { BLOCK }
236
237Currently the same as Coro::async_pool, meaning you cannot use
238C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
239thing you are allowed to do is call C<prio> on it.
240
241=cut
242
243BEGIN { *async = \&Coro::async_pool }
249 244
250=item cf::sync_job { BLOCK } 245=item cf::sync_job { BLOCK }
251 246
252The design of crossfire+ requires that the main coro ($Coro::main) is 247The design of crossfire+ requires that the main coro ($Coro::main) is
253always able to handle events or runnable, as crossfire+ is only partly 248always able to handle events or runnable, as crossfire+ is only partly
… …
267 # this is the main coro, too bad, we have to block 262 # this is the main coro, too bad, we have to block
268 # till the operation succeeds, freezing the server :/ 263 # till the operation succeeds, freezing the server :/
269 264
270 # TODO: use suspend/resume instead 265 # TODO: use suspend/resume instead
271 # (but this is cancel-safe) 266 # (but this is cancel-safe)
272 local $FREEZE = 1; 267 my $freeze_guard = freeze_mainloop;
273 268
274 my $busy = 1; 269 my $busy = 1;
275 my @res; 270 my @res;
276 271
277 (Coro::async { 272 (async {
278 @res = eval { $job->() }; 273 @res = eval { $job->() };
279 warn $@ if $@; 274 warn $@ if $@;
280 undef $busy; 275 undef $busy;
281 })->prio (Coro::PRIO_MAX); 276 })->prio (Coro::PRIO_MAX);
282 277
283 while ($busy) { 278 while ($busy) {
284 Coro::cede_notself; 279 Coro::cede or Event::one_event;
285 Event::one_event unless Coro::nready;
286 } 280 }
287 281
288 wantarray ? @res : $res[0] 282 wantarray ? @res : $res[0]
289 } else { 283 } else {
290 # we are in another coroutine, how wonderful, everything just works 284 # we are in another coroutine, how wonderful, everything just works
291 285
292 $job->() 286 $job->()
293 } 287 }
294} 288}
295 289
296=item $coro = cf::coro { BLOCK } 290=item $coro = cf::async_ext { BLOCK }
297 291
298Creates and returns a new coro. This coro is automcatially being canceled 292Like async, but this coro is automcatially being canceled when the
299when the extension calling this is being unloaded. 293extension calling this is being unloaded.
300 294
301=cut 295=cut
302 296
303sub coro(&) { 297sub async_ext(&) {
304 my $cb = shift; 298 my $cb = shift;
305 299
306 my $coro; $coro = async { 300 my $coro = &Coro::async ($cb);
307 eval {
308 $cb->();
309 };
310 warn $@ if $@;
311 };
312 301
313 $coro->on_destroy (sub { 302 $coro->on_destroy (sub {
314 delete $EXT_CORO{$coro+0}; 303 delete $EXT_CORO{$coro+0};
315 }); 304 });
316 $EXT_CORO{$coro+0} = $coro; 305 $EXT_CORO{$coro+0} = $coro;
… …
1083 1072
1084=head2 CORE EXTENSIONS 1073=head2 CORE EXTENSIONS
1085 1074
1086Functions and methods that extend core crossfire objects. 1075Functions and methods that extend core crossfire objects.
1087 1076
1077=cut
1078
1079package cf::player;
1080
1088=head3 cf::player 1081=head3 cf::player
1089 1082
1090=over 4 1083=over 4
1091 1084
1092=item cf::player::exists $login 1085=item cf::player::find $login
1093 1086
1094Returns true when the given account exists. 1087Returns the given player object, loading it if necessary (might block).
1095 1088
1096=cut 1089=cut
1097 1090
1098sub cf::player::exists($) { 1091sub playerdir($) {
1099 cf::player::find $_[0] 1092 cf::localdir
1100 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 1093 . "/"
1094 . cf::playerdir
1095 . "/"
1096 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1097}
1098
1099sub path($) {
1100 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101
1102 (playerdir $login) . "/$login.pl"
1103}
1104
1105sub find_active($) {
1106 $cf::PLAYER{$_[0]}
1107 and $cf::PLAYER{$_[0]}->active
1108 and $cf::PLAYER{$_[0]}
1109}
1110
1111sub exists($) {
1112 my ($login) = @_;
1113
1114 $cf::PLAYER{$login}
1115 or cf::sync_job { !aio_stat $login }
1116}
1117
1118sub find($) {
1119 return $cf::PLAYER{$_[0]} || do {
1120 my $login = $_[0];
1121
1122 my $guard = cf::lock_acquire "user_find:$login";
1123
1124 $cf::PLAYER{$_[0]} || do {
1125 my $pl = load_pl path $login
1126 or return;
1127 $cf::PLAYER{$login} = $pl
1128 }
1129 }
1130}
1131
1132sub save($) {
1133 my ($pl) = @_;
1134
1135 return if $pl->{deny_save};
1136
1137 my $path = path $pl;
1138 my $guard = cf::lock_acquire "user_save:$path";
1139
1140 return if $pl->{deny_save};
1141
1142 Coro::AIO::aio_mkdir playerdir $pl, 0770;
1143 $pl->{last_save} = $cf::RUNTIME;
1144
1145 $pl->save_pl ($path);
1146 Coro::cede;
1147}
1148
1149sub new($) {
1150 my ($login) = @_;
1151
1152 my $self = create;
1153
1154 $self->ob->name ($login);
1155 $self->{deny_save} = 1;
1156
1157 $cf::PLAYER{$login} = $self;
1158
1159 $self
1160}
1161
1162sub quit_character {
1163 my ($pl) = @_;
1164
1165 $pl->{deny_save} = 1;
1166 $pl->password ("*"); # this should lock out the player until we nuked the dir
1167
1168 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1169 $pl->deactivate;
1170 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1171 $pl->ns->destroy if $pl->ns;
1172
1173 my $path = playerdir $pl;
1174 my $temp = "$path~$cf::RUNTIME~deleting~";
1175 Coro::AIO::aio_rename $path, $temp;
1176 delete $cf::PLAYER{$pl->ob->name};
1177 $pl->destroy;
1178 IO::AIO::aio_rmtree $temp;
1101} 1179}
1102 1180
1103=item $player->ext_reply ($msgid, $msgtype, %msg) 1181=item $player->ext_reply ($msgid, $msgtype, %msg)
1104 1182
1105Sends an ext reply to the player. 1183Sends an ext reply to the player.
1106 1184
1107=cut 1185=cut
1108 1186
1109sub cf::player::ext_reply($$$%) { 1187sub ext_reply($$$%) {
1110 my ($self, $id, %msg) = @_; 1188 my ($self, $id, %msg) = @_;
1111 1189
1112 $msg{msgid} = $id; 1190 $msg{msgid} = $id;
1113 1191
1114 $self->send ("ext " . to_json \%msg); 1192 $self->send ("ext " . cf::to_json \%msg);
1115} 1193}
1194
1195package cf;
1116 1196
1117=back 1197=back
1118 1198
1119 1199
1120=head3 cf::map 1200=head3 cf::map
… …
1126package cf::map; 1206package cf::map;
1127 1207
1128use Fcntl; 1208use Fcntl;
1129use Coro::AIO; 1209use Coro::AIO;
1130 1210
1131our $MAX_RESET = 7200; 1211our $MAX_RESET = 3600;
1132our $DEFAULT_RESET = 3600; 1212our $DEFAULT_RESET = 3000;
1133 1213
1134sub generate_random_map { 1214sub generate_random_map {
1135 my ($path, $rmp) = @_; 1215 my ($path, $rmp) = @_;
1136 1216
1137 # mit "rum" bekleckern, nicht 1217 # mit "rum" bekleckern, nicht
… …
1153# and all this just because we cannot iterate over 1233# and all this just because we cannot iterate over
1154# all maps in C++... 1234# all maps in C++...
1155sub change_all_map_light { 1235sub change_all_map_light {
1156 my ($change) = @_; 1236 my ($change) = @_;
1157 1237
1158 $_->change_map_light ($change) for values %cf::MAP; 1238 $_->change_map_light ($change)
1239 for grep $_->outdoor, values %cf::MAP;
1159} 1240}
1160 1241
1161sub try_load_header($) { 1242sub try_load_header($) {
1162 my ($path) = @_; 1243 my ($path) = @_;
1163 1244
… …
1166 or return; 1247 or return;
1167 1248
1168 my $map = cf::map::new 1249 my $map = cf::map::new
1169 or return; 1250 or return;
1170 1251
1252 # for better error messages only, will be overwritten
1253 $map->path ($path);
1254
1171 $map->load_header ($path) 1255 $map->load_header ($path)
1172 or return; 1256 or return;
1173 1257
1174 $map->{load_path} = $path; 1258 $map->{load_path} = $path;
1175 1259
1176 $map 1260 $map
1177} 1261}
1178 1262
1263sub find;
1179sub find_map { 1264sub find {
1180 my ($path, $origin) = @_; 1265 my ($path, $origin) = @_;
1181 1266
1182 #warn "find_map<$path,$origin>\n";#d# 1267 #warn "find<$path,$origin>\n";#d#
1183 1268
1184 $path = new cf::path $path, $origin && $origin->path; 1269 $path = new cf::path $path, $origin && $origin->path;
1185 my $key = $path->as_string; 1270 my $key = $path->as_string;
1186 1271
1187 cf::lock_wait "map_find:$key"; 1272 cf::lock_wait "map_find:$key";
… …
1190 my $guard = cf::lock_acquire "map_find:$key"; 1275 my $guard = cf::lock_acquire "map_find:$key";
1191 1276
1192 # do it the slow way 1277 # do it the slow way
1193 my $map = try_load_header $path->save_path; 1278 my $map = try_load_header $path->save_path;
1194 1279
1280 Coro::cede;
1281
1195 if ($map) { 1282 if ($map) {
1283 $map->last_access ((delete $map->{last_access})
1284 || $cf::RUNTIME); #d#
1196 # safety 1285 # safety
1197 $map->{instantiate_time} = $cf::RUNTIME 1286 $map->{instantiate_time} = $cf::RUNTIME
1198 if $map->{instantiate_time} > $cf::RUNTIME; 1287 if $map->{instantiate_time} > $cf::RUNTIME;
1199 } else { 1288 } else {
1200 if (my $rmp = $path->random_map_params) { 1289 if (my $rmp = $path->random_map_params) {
… …
1205 1294
1206 $map or return; 1295 $map or return;
1207 1296
1208 $map->{load_original} = 1; 1297 $map->{load_original} = 1;
1209 $map->{instantiate_time} = $cf::RUNTIME; 1298 $map->{instantiate_time} = $cf::RUNTIME;
1299 $map->last_access ($cf::RUNTIME);
1210 $map->instantiate; 1300 $map->instantiate;
1211 1301
1212 # per-player maps become, after loading, normal maps 1302 # per-player maps become, after loading, normal maps
1213 $map->per_player (0) if $path->{user_rel}; 1303 $map->per_player (0) if $path->{user_rel};
1214 } 1304 }
1215 #Coro::Timer::sleep 1;#d#
1216 1305
1217 $map->path ($key); 1306 $map->path ($key);
1218 $map->{path} = $path; 1307 $map->{path} = $path;
1219 $map->{last_save} = $cf::RUNTIME; 1308 $map->{last_save} = $cf::RUNTIME;
1220 $map->last_access ($cf::RUNTIME); 1309
1310 Coro::cede;
1221 1311
1222 if ($map->should_reset) { 1312 if ($map->should_reset) {
1223 $map->reset; 1313 $map->reset;
1314 undef $guard;
1224 $map = find_map $path; 1315 $map = find $path
1316 or return;
1225 } 1317 }
1226 1318
1227 $cf::MAP{$key} = $map 1319 $cf::MAP{$key} = $map
1228 } 1320 }
1229} 1321}
… …
1250 if (aio_open $uniq, O_RDONLY, 0) { 1342 if (aio_open $uniq, O_RDONLY, 0) {
1251 $self->clear_unique_items; 1343 $self->clear_unique_items;
1252 $self->load_objects ($uniq, 0); 1344 $self->load_objects ($uniq, 0);
1253 } 1345 }
1254 } 1346 }
1347
1348 Coro::cede;
1255 1349
1256 # now do the right thing for maps 1350 # now do the right thing for maps
1257 $self->link_multipart_objects; 1351 $self->link_multipart_objects;
1258 1352
1259 if ($self->{path}->is_style_map) { 1353 if ($self->{path}->is_style_map) {
… …
1267 $self->difficulty ($self->estimate_difficulty) 1361 $self->difficulty ($self->estimate_difficulty)
1268 unless $self->difficulty; 1362 unless $self->difficulty;
1269 $self->activate; 1363 $self->activate;
1270 } 1364 }
1271 1365
1366 Coro::cede;
1367
1272 $self->in_memory (cf::MAP_IN_MEMORY); 1368 $self->in_memory (cf::MAP_IN_MEMORY);
1273} 1369}
1274 1370
1275sub load_map_sync { 1371sub find_sync {
1276 my ($path, $origin) = @_; 1372 my ($path, $origin) = @_;
1277 1373
1278 #warn "load_map_sync<$path, $origin>\n";#d# 1374 cf::sync_job { cf::map::find $path, $origin }
1375}
1279 1376
1280 cf::sync_job { 1377sub do_load_sync {
1281 my $map = cf::map::find_map $path, $origin 1378 my ($map) = @_;
1282 or return; 1379
1283 $map->load; 1380 cf::sync_job { $map->load };
1284 $map
1285 }
1286} 1381}
1287 1382
1288sub save { 1383sub save {
1289 my ($self) = @_; 1384 my ($self) = @_;
1290 1385
1386 my $lock = cf::lock_acquire "map_data:" . $self->path;
1387
1291 $self->{last_save} = $cf::RUNTIME; 1388 $self->{last_save} = $cf::RUNTIME;
1292 1389
1293 return unless $self->dirty; 1390 return unless $self->dirty;
1294 1391
1295 my $save = $self->{path}->save_path; utf8::encode $save; 1392 my $save = $self->{path}->save_path; utf8::encode $save;
1296 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1393 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1297 1394
1298 $self->{load_path} = $save; 1395 $self->{load_path} = $save;
1299 1396
1300 return if $self->{deny_save}; 1397 return if $self->{deny_save};
1398
1399 local $self->{last_access} = $self->last_access;#d#
1400
1401 cf::async {
1402 $_->contr->save for $self->players;
1403 };
1301 1404
1302 if ($uniq) { 1405 if ($uniq) {
1303 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1406 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304 $self->save_objects ($uniq, cf::IO_UNIQUES); 1407 $self->save_objects ($uniq, cf::IO_UNIQUES);
1305 } else { 1408 } else {
… …
1308} 1411}
1309 1412
1310sub swap_out { 1413sub swap_out {
1311 my ($self) = @_; 1414 my ($self) = @_;
1312 1415
1416 # save first because save cedes
1417 $self->save;
1418
1419 my $lock = cf::lock_acquire "map_data:" . $self->path;
1420
1313 return if $self->players; 1421 return if $self->players;
1314 return if $self->in_memory != cf::MAP_IN_MEMORY; 1422 return if $self->in_memory != cf::MAP_IN_MEMORY;
1315 return if $self->{deny_save}; 1423 return if $self->{deny_save};
1316 1424
1317 $self->save;
1318 $self->clear; 1425 $self->clear;
1319 $self->in_memory (cf::MAP_SWAPPED); 1426 $self->in_memory (cf::MAP_SWAPPED);
1320} 1427}
1321 1428
1322sub reset_at { 1429sub reset_at {
… …
1360} 1467}
1361 1468
1362sub reset { 1469sub reset {
1363 my ($self) = @_; 1470 my ($self) = @_;
1364 1471
1472 my $lock = cf::lock_acquire "map_data:" . $self->path;
1473
1365 return if $self->players; 1474 return if $self->players;
1366 return if $self->{path}{user_rel};#d# 1475 return if $self->{path}{user_rel};#d#
1367 1476
1368 warn "resetting map ", $self->path;#d# 1477 warn "resetting map ", $self->path;#d#
1369 1478
… …
1388 1497
1389sub customise_for { 1498sub customise_for {
1390 my ($map, $ob) = @_; 1499 my ($map, $ob) = @_;
1391 1500
1392 if ($map->per_player) { 1501 if ($map->per_player) {
1393 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1502 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1394 } 1503 }
1395 1504
1396 $map 1505 $map
1397} 1506}
1398 1507
1399sub emergency_save { 1508sub emergency_save {
1400 local $cf::FREEZE = 1; 1509 my $freeze_guard = cf::freeze_mainloop;
1401 1510
1402 warn "enter emergency map save\n"; 1511 warn "enter emergency perl save\n";
1403 1512
1404 cf::sync_job { 1513 cf::sync_job {
1514 warn "begin emergency player save\n";
1515 $_->save for values %cf::PLAYER;
1516 warn "end emergency player save\n";
1517
1405 warn "begin emergency map save\n"; 1518 warn "begin emergency map save\n";
1406 $_->save for values %cf::MAP; 1519 $_->save for values %cf::MAP;
1520 warn "end emergency map save\n";
1407 }; 1521 };
1408 1522
1409 warn "end emergency map save\n"; 1523 warn "leave emergency perl save\n";
1410} 1524}
1411 1525
1412package cf; 1526package cf;
1413 1527
1414=back 1528=back
… …
1495 my $link_pos = delete $self->{_link_pos}; 1609 my $link_pos = delete $self->{_link_pos};
1496 1610
1497 unless ($map) { 1611 unless ($map) {
1498 # restore original map position 1612 # restore original map position
1499 ($map, $x, $y) = @{ $link_pos || [] }; 1613 ($map, $x, $y) = @{ $link_pos || [] };
1500 $map = cf::map::find_map $map; 1614 $map = cf::map::find $map;
1501 1615
1502 unless ($map) { 1616 unless ($map) {
1503 ($map, $x, $y) = @$EMERGENCY_POSITION; 1617 ($map, $x, $y) = @$EMERGENCY_POSITION;
1504 $map = cf::map::find_map $map 1618 $map = cf::map::find $map
1505 or die "FATAL: cannot load emergency map\n"; 1619 or die "FATAL: cannot load emergency map\n";
1506 } 1620 }
1507 } 1621 }
1508 1622
1509 ($x, $y) = (-1, -1) 1623 ($x, $y) = (-1, -1)
… …
1513 ($x, $y) = ($map->enter_x, $map->enter_y) 1627 ($x, $y) = ($map->enter_x, $map->enter_y)
1514 if $x <=0 && $y <= 0; 1628 if $x <=0 && $y <= 0;
1515 1629
1516 $map->load; 1630 $map->load;
1517 1631
1632 return unless $self->contr->active;
1518 $self->activate_recursive; 1633 $self->activate_recursive;
1519 $self->enter_map ($map, $x, $y); 1634 $self->enter_map ($map, $x, $y);
1520} 1635}
1521 1636
1522cf::player->attach ( 1637cf::player->attach (
… …
1535 1650
1536 # try to abort aborted map switching on player login :) 1651 # try to abort aborted map switching on player login :)
1537 # should happen only on crashes 1652 # should happen only on crashes
1538 if ($pl->ob->{_link_pos}) { 1653 if ($pl->ob->{_link_pos}) {
1539 $pl->ob->enter_link; 1654 $pl->ob->enter_link;
1540 Coro::async { 1655 (async {
1541 # we need this sleep as the login has a concurrent enter_exit running 1656 # we need this sleep as the login has a concurrent enter_exit running
1542 # and this sleep increases chances of the player not ending up in scorn 1657 # and this sleep increases chances of the player not ending up in scorn
1658 $pl->ob->reply (undef,
1659 "There was an internal problem at your last logout, "
1660 . "the server will try to bring you to your intended destination in a second.",
1661 cf::NDI_RED);
1543 Coro::Timer::sleep 1; 1662 Coro::Timer::sleep 1;
1544 $pl->ob->leave_link; 1663 $pl->ob->leave_link;
1545 }; 1664 })->prio (2);
1546 } 1665 }
1547 }, 1666 },
1548); 1667);
1549 1668
1550=item $player_object->goto_map ($path, $x, $y) 1669=item $player_object->goto ($path, $x, $y)
1551 1670
1552=cut 1671=cut
1553 1672
1554sub cf::object::player::goto_map { 1673sub cf::object::player::goto {
1555 my ($self, $path, $x, $y) = @_; 1674 my ($self, $path, $x, $y) = @_;
1556 1675
1676 $path = new cf::path $path;
1677 $path ne "/" or Carp::cluck ("oy");#d#
1678
1557 $self->enter_link; 1679 $self->enter_link;
1558 1680
1559 (Coro::async { 1681 (async {
1560 $path = new cf::path $path;
1561
1562 my $map = cf::map::find_map $path->as_string; 1682 my $map = cf::map::find $path->as_string;
1563 $map = $map->customise_for ($self) if $map; 1683 $map = $map->customise_for ($self) if $map;
1564 1684
1565# warn "entering ", $map->path, " at ($x, $y)\n" 1685# warn "entering ", $map->path, " at ($x, $y)\n"
1566# if $map; 1686# if $map;
1567 1687
1568 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1688 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1569 1689
1570 $self->leave_link ($map, $x, $y); 1690 $self->leave_link ($map, $x, $y);
1571 })->prio (1); 1691 })->prio (1);
1572} 1692}
1573 1693
… …
1626 1746
1627 return unless $self->type == cf::PLAYER; 1747 return unless $self->type == cf::PLAYER;
1628 1748
1629 $self->enter_link; 1749 $self->enter_link;
1630 1750
1631 (Coro::async { 1751 (async {
1752 $self->deactivate_recursive; # just to be sure
1632 unless (eval { 1753 unless (eval {
1633
1634 prepare_random_map $exit 1754 prepare_random_map $exit
1635 if $exit->slaying eq "/!"; 1755 if $exit->slaying eq "/!";
1636 1756
1637 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1757 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1638 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 1758 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1639 1759
1640 1; 1760 1;
1641 }) { 1761 }) {
1642 $self->message ("Something went wrong deep within the crossfire server. " 1762 $self->message ("Something went wrong deep within the crossfire server. "
1643 . "I'll try to bring you back to the map you were before. " 1763 . "I'll try to bring you back to the map you were before. "
… …
1700 on_reply => sub { 1820 on_reply => sub {
1701 my ($ns, $msg) = @_; 1821 my ($ns, $msg) = @_;
1702 1822
1703 # this weird shuffling is so that direct followup queries 1823 # this weird shuffling is so that direct followup queries
1704 # get handled first 1824 # get handled first
1705 my $queue = delete $ns->{query_queue}; 1825 my $queue = delete $ns->{query_queue}
1826 or return; # be conservative, not sure how that can happen, but we saw a crash here
1706 1827
1707 (shift @$queue)->[1]->($msg); 1828 (shift @$queue)->[1]->($msg);
1708 1829
1709 push @{ $ns->{query_queue} }, @$queue; 1830 push @{ $ns->{query_queue} }, @$queue;
1710 1831
… …
1716 } 1837 }
1717 } 1838 }
1718 }, 1839 },
1719); 1840);
1720 1841
1721=item $client->coro (\&cb) 1842=item $client->async (\&cb)
1722 1843
1723Create a new coroutine, running the specified callback. The coroutine will 1844Create a new coroutine, running the specified callback. The coroutine will
1724be automatically cancelled when the client gets destroyed (e.g. on logout, 1845be automatically cancelled when the client gets destroyed (e.g. on logout,
1725or loss of connection). 1846or loss of connection).
1726 1847
1727=cut 1848=cut
1728 1849
1729sub cf::client::coro { 1850sub cf::client::async {
1730 my ($self, $cb) = @_; 1851 my ($self, $cb) = @_;
1731 1852
1732 my $coro; $coro = async { 1853 my $coro = &Coro::async ($cb);
1733 eval {
1734 $cb->();
1735 };
1736 warn $@ if $@;
1737 };
1738 1854
1739 $coro->on_destroy (sub { 1855 $coro->on_destroy (sub {
1740 delete $self->{_coro}{$coro+0}; 1856 delete $self->{_coro}{$coro+0};
1741 }); 1857 });
1742 1858
… …
1914 2030
1915{ 2031{
1916 my $path = cf::localdir . "/database.pst"; 2032 my $path = cf::localdir . "/database.pst";
1917 2033
1918 sub db_load() { 2034 sub db_load() {
1919 warn "loading database $path\n";#d# remove later
1920 $DB = stat $path ? Storable::retrieve $path : { }; 2035 $DB = stat $path ? Storable::retrieve $path : { };
1921 } 2036 }
1922 2037
1923 my $pid; 2038 my $pid;
1924 2039
1925 sub db_save() { 2040 sub db_save() {
1926 warn "saving database $path\n";#d# remove later
1927 waitpid $pid, 0 if $pid; 2041 waitpid $pid, 0 if $pid;
1928 if (0 == ($pid = fork)) { 2042 if (0 == ($pid = fork)) {
1929 $DB->{_meta}{version} = 1; 2043 $DB->{_meta}{version} = 1;
1930 Storable::nstore $DB, "$path~"; 2044 Storable::nstore $DB, "$path~";
1931 rename "$path~", $path; 2045 rename "$path~", $path;
… …
1979 open my $fh, "<:utf8", cf::confdir . "/config" 2093 open my $fh, "<:utf8", cf::confdir . "/config"
1980 or return; 2094 or return;
1981 2095
1982 local $/; 2096 local $/;
1983 *CFG = YAML::Syck::Load <$fh>; 2097 *CFG = YAML::Syck::Load <$fh>;
2098
2099 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2100
2101 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2102 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2103
2104 if (exists $CFG{mlockall}) {
2105 eval {
2106 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2107 and die "WARNING: m(un)lockall failed: $!\n";
2108 };
2109 warn $@ if $@;
2110 }
1984} 2111}
1985 2112
1986sub main { 2113sub main {
1987 # we must not ever block the main coroutine 2114 # we must not ever block the main coroutine
1988 local $Coro::idle = sub { 2115 local $Coro::idle = sub {
1989 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2116 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990 (Coro::unblock_sub {
1991 Event::one_event; 2117 async { Event::one_event };
1992 })->();
1993 }; 2118 };
1994 2119
1995 cfg_load; 2120 cfg_load;
1996 db_load; 2121 db_load;
1997 load_extensions; 2122 load_extensions;
… …
2008 return; 2133 return;
2009 } 2134 }
2010 2135
2011 warn "reloading..."; 2136 warn "reloading...";
2012 2137
2013 local $FREEZE = 1; 2138 my $guard = freeze_mainloop;
2014 cf::emergency_save; 2139 cf::emergency_save;
2015 2140
2016 eval { 2141 eval {
2017 # if anything goes wrong in here, we should simply crash as we already saved 2142 # if anything goes wrong in here, we should simply crash as we already saved
2018 2143
… …
2080 cf::load_extensions; 2205 cf::load_extensions;
2081 2206
2082 # reattach attachments to objects 2207 # reattach attachments to objects
2083 warn "reattach"; 2208 warn "reattach";
2084 _global_reattach; 2209 _global_reattach;
2210 reattach $_ for values %MAP;
2085 }; 2211 };
2086 2212
2087 if ($@) { 2213 if ($@) {
2088 warn $@; 2214 warn $@;
2089 warn "error while reloading, exiting."; 2215 warn "error while reloading, exiting.";
… …
2105 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path"; 2231 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106 $LINK_MAP->in_memory (MAP_IN_MEMORY); 2232 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2107 2233
2108 # dirty hack because... archetypes are not yet loaded 2234 # dirty hack because... archetypes are not yet loaded
2109 Event->timer ( 2235 Event->timer (
2110 after => 2, 2236 after => 10,
2111 cb => sub { 2237 cb => sub {
2112 $_[0]->w->cancel; 2238 $_[0]->w->cancel;
2113 2239
2114 # provide some exits "home" 2240 # provide some exits "home"
2115 my $exit = cf::object::new "exit"; 2241 my $exit = cf::object::new "exit";
… …
2154 reentrant => 0, 2280 reentrant => 0,
2155 prio => 0, 2281 prio => 0,
2156 at => $NEXT_TICK || $TICK, 2282 at => $NEXT_TICK || $TICK,
2157 data => WF_AUTOCANCEL, 2283 data => WF_AUTOCANCEL,
2158 cb => sub { 2284 cb => sub {
2159 unless ($FREEZE) {
2160 cf::server_tick; # one server iteration 2285 cf::server_tick; # one server iteration
2161 $RUNTIME += $TICK; 2286 $RUNTIME += $TICK;
2162 }
2163
2164 $NEXT_TICK += $TICK; 2287 $NEXT_TICK += $TICK;
2165 2288
2166 # if we are delayed by four ticks or more, skip them all 2289 # if we are delayed by four ticks or more, skip them all
2167 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2290 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168 2291
… …
2191 or warn "ERROR: unable to write runtime file: $!"; 2314 or warn "ERROR: unable to write runtime file: $!";
2192 })->(); 2315 })->();
2193 }, 2316 },
2194); 2317);
2195 2318
2319END { cf::emergency_save }
2320
21961 23211
2197 2322

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