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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.130 by root, Thu Jan 4 00:08:08 2007 UTC vs.
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC

… …
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
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 184=item cf::lock_wait $string
209 185
210Wait until the given lock is available. See cf::lock_acquire. 186Wait until the given lock is available. See cf::lock_acquire.
211 187
212=item my $lock = cf::lock_acquire $string 188=item my $lock = cf::lock_acquire $string
213 189
214Wait until the given lock is available and then acquires it and returns 190Wait 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, 191a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216for example when the coroutine gets canceled), the lock is automatically 192for example when the coroutine gets canceled), the lock is automatically
217returned. 193returned.
218 194
219Lock names should begin with a unique identifier (for example, find_map 195Lock names should begin with a unique identifier (for example, cf::map::find
220uses map_find and load_map uses map_load). 196uses map_find and cf::map::load uses map_load).
221 197
222=cut 198=cut
223 199
224our %LOCK; 200our %LOCK;
225 201
… …
239 # wait, to be sure we are not locked 215 # wait, to be sure we are not locked
240 lock_wait $key; 216 lock_wait $key;
241 217
242 $LOCK{$key} = []; 218 $LOCK{$key} = [];
243 219
244 cf::guard { 220 Coro::guard {
245 # wake up all waiters, to be on the safe side 221 # wake up all waiters, to be on the safe side
246 $_->ready for @{ delete $LOCK{$key} }; 222 $_->ready for @{ delete $LOCK{$key} };
247 } 223 }
248} 224}
249 225
… …
259 235
260 Coro::async { 236 Coro::async {
261 eval { $cb->() }; 237 eval { $cb->() };
262 warn $@ if $@; 238 warn $@ if $@;
263 } 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 $guard
264} 248}
265 249
266=item cf::sync_job { BLOCK } 250=item cf::sync_job { BLOCK }
267 251
268The design of crossfire+ requires that the main coro ($Coro::main) is 252The design of crossfire+ requires that the main coro ($Coro::main) is
… …
283 # this is the main coro, too bad, we have to block 267 # this is the main coro, too bad, we have to block
284 # till the operation succeeds, freezing the server :/ 268 # till the operation succeeds, freezing the server :/
285 269
286 # TODO: use suspend/resume instead 270 # TODO: use suspend/resume instead
287 # (but this is cancel-safe) 271 # (but this is cancel-safe)
288 local $FREEZE = 1; 272 my $freeze_guard = freeze_mainloop;
289 273
290 my $busy = 1; 274 my $busy = 1;
291 my @res; 275 my @res;
292 276
293 (Coro::async { 277 (Coro::async {
… …
1137package cf::map; 1121package cf::map;
1138 1122
1139use Fcntl; 1123use Fcntl;
1140use Coro::AIO; 1124use Coro::AIO;
1141 1125
1142our $MAX_RESET = 7200; 1126our $MAX_RESET = 3600;
1143our $DEFAULT_RESET = 3600; 1127our $DEFAULT_RESET = 3000;
1144 1128
1145sub generate_random_map { 1129sub generate_random_map {
1146 my ($path, $rmp) = @_; 1130 my ($path, $rmp) = @_;
1147 1131
1148 # mit "rum" bekleckern, nicht 1132 # mit "rum" bekleckern, nicht
… …
1178 or return; 1162 or return;
1179 1163
1180 my $map = cf::map::new 1164 my $map = cf::map::new
1181 or return; 1165 or return;
1182 1166
1167 # for better error messages only, will be overwritten
1168 $map->path ($path);
1169
1183 $map->load_header ($path) 1170 $map->load_header ($path)
1184 or return; 1171 or return;
1185 1172
1186 $map->{load_path} = $path; 1173 $map->{load_path} = $path;
1187 1174
1188 $map 1175 $map
1189} 1176}
1190 1177
1191sub find_map; 1178sub find;
1192sub find_map { 1179sub find {
1193 my ($path, $origin) = @_; 1180 my ($path, $origin) = @_;
1194 1181
1195 #warn "find_map<$path,$origin>\n";#d# 1182 #warn "find<$path,$origin>\n";#d#
1196 1183
1197 $path = new cf::path $path, $origin && $origin->path; 1184 $path = new cf::path $path, $origin && $origin->path;
1198 my $key = $path->as_string; 1185 my $key = $path->as_string;
1199 1186
1200 cf::lock_wait "map_find:$key"; 1187 cf::lock_wait "map_find:$key";
… …
1203 my $guard = cf::lock_acquire "map_find:$key"; 1190 my $guard = cf::lock_acquire "map_find:$key";
1204 1191
1205 # do it the slow way 1192 # do it the slow way
1206 my $map = try_load_header $path->save_path; 1193 my $map = try_load_header $path->save_path;
1207 1194
1195 Coro::cede;
1196
1208 if ($map) { 1197 if ($map) {
1198 $map->last_access ((delete $map->{last_access})
1199 || $cf::RUNTIME); #d#
1209 # safety 1200 # safety
1210 $map->{instantiate_time} = $cf::RUNTIME 1201 $map->{instantiate_time} = $cf::RUNTIME
1211 if $map->{instantiate_time} > $cf::RUNTIME; 1202 if $map->{instantiate_time} > $cf::RUNTIME;
1212 } else { 1203 } else {
1213 if (my $rmp = $path->random_map_params) { 1204 if (my $rmp = $path->random_map_params) {
… …
1218 1209
1219 $map or return; 1210 $map or return;
1220 1211
1221 $map->{load_original} = 1; 1212 $map->{load_original} = 1;
1222 $map->{instantiate_time} = $cf::RUNTIME; 1213 $map->{instantiate_time} = $cf::RUNTIME;
1214 $map->last_access ($cf::RUNTIME);
1223 $map->instantiate; 1215 $map->instantiate;
1224 1216
1225 # per-player maps become, after loading, normal maps 1217 # per-player maps become, after loading, normal maps
1226 $map->per_player (0) if $path->{user_rel}; 1218 $map->per_player (0) if $path->{user_rel};
1227 } 1219 }
1228 1220
1229 $map->path ($key); 1221 $map->path ($key);
1230 $map->{path} = $path; 1222 $map->{path} = $path;
1231 $map->{last_save} = $cf::RUNTIME; 1223 $map->{last_save} = $cf::RUNTIME;
1232 $map->last_access ($cf::RUNTIME); 1224
1225 Coro::cede;
1233 1226
1234 if ($map->should_reset) { 1227 if ($map->should_reset) {
1235 $map->reset; 1228 $map->reset;
1236 undef $guard; 1229 undef $guard;
1237 $map = find_map $path 1230 $map = find $path
1238 or return; 1231 or return;
1239 } 1232 }
1240 1233
1241 $cf::MAP{$key} = $map 1234 $cf::MAP{$key} = $map
1242 } 1235 }
… …
1264 if (aio_open $uniq, O_RDONLY, 0) { 1257 if (aio_open $uniq, O_RDONLY, 0) {
1265 $self->clear_unique_items; 1258 $self->clear_unique_items;
1266 $self->load_objects ($uniq, 0); 1259 $self->load_objects ($uniq, 0);
1267 } 1260 }
1268 } 1261 }
1262
1263 Coro::cede;
1269 1264
1270 # now do the right thing for maps 1265 # now do the right thing for maps
1271 $self->link_multipart_objects; 1266 $self->link_multipart_objects;
1272 1267
1273 if ($self->{path}->is_style_map) { 1268 if ($self->{path}->is_style_map) {
… …
1281 $self->difficulty ($self->estimate_difficulty) 1276 $self->difficulty ($self->estimate_difficulty)
1282 unless $self->difficulty; 1277 unless $self->difficulty;
1283 $self->activate; 1278 $self->activate;
1284 } 1279 }
1285 1280
1281 Coro::cede;
1282
1286 $self->in_memory (cf::MAP_IN_MEMORY); 1283 $self->in_memory (cf::MAP_IN_MEMORY);
1287} 1284}
1288 1285
1289sub load_map_sync { 1286sub find_sync {
1290 my ($path, $origin) = @_; 1287 my ($path, $origin) = @_;
1291 1288
1292 #warn "load_map_sync<$path, $origin>\n";#d# 1289 cf::sync_job { cf::map::find $path, $origin }
1290}
1293 1291
1294 cf::sync_job { 1292sub do_load_sync {
1295 my $map = cf::map::find_map $path, $origin 1293 my ($map) = @_;
1296 or return; 1294
1297 $map->load; 1295 cf::sync_job { $map->load };
1298 $map
1299 }
1300} 1296}
1301 1297
1302sub save { 1298sub save {
1303 my ($self) = @_; 1299 my ($self) = @_;
1304 1300
1301 my $lock = cf::lock_acquire "map_data:" . $self->path;
1302
1305 $self->{last_save} = $cf::RUNTIME; 1303 $self->{last_save} = $cf::RUNTIME;
1306 1304
1307 return unless $self->dirty; 1305 return unless $self->dirty;
1308 1306
1309 my $save = $self->{path}->save_path; utf8::encode $save; 1307 my $save = $self->{path}->save_path; utf8::encode $save;
1310 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1308 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1311 1309
1312 $self->{load_path} = $save; 1310 $self->{load_path} = $save;
1313 1311
1314 return if $self->{deny_save}; 1312 return if $self->{deny_save};
1313
1314 local $self->{last_access} = $self->last_access;#d#
1315 1315
1316 if ($uniq) { 1316 if ($uniq) {
1317 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1317 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318 $self->save_objects ($uniq, cf::IO_UNIQUES); 1318 $self->save_objects ($uniq, cf::IO_UNIQUES);
1319 } else { 1319 } else {
… …
1325 my ($self) = @_; 1325 my ($self) = @_;
1326 1326
1327 # save first because save cedes 1327 # save first because save cedes
1328 $self->save; 1328 $self->save;
1329 1329
1330 my $lock = cf::lock_acquire "map_data:" . $self->path;
1331
1330 return if $self->players; 1332 return if $self->players;
1331 return if $self->in_memory != cf::MAP_IN_MEMORY; 1333 return if $self->in_memory != cf::MAP_IN_MEMORY;
1332 return if $self->{deny_save}; 1334 return if $self->{deny_save};
1333 1335
1334 $self->clear; 1336 $self->clear;
… …
1376} 1378}
1377 1379
1378sub reset { 1380sub reset {
1379 my ($self) = @_; 1381 my ($self) = @_;
1380 1382
1383 my $lock = cf::lock_acquire "map_data:" . $self->path;
1384
1381 return if $self->players; 1385 return if $self->players;
1382 return if $self->{path}{user_rel};#d# 1386 return if $self->{path}{user_rel};#d#
1383 1387
1384 warn "resetting map ", $self->path;#d# 1388 warn "resetting map ", $self->path;#d#
1385 1389
… …
1404 1408
1405sub customise_for { 1409sub customise_for {
1406 my ($map, $ob) = @_; 1410 my ($map, $ob) = @_;
1407 1411
1408 if ($map->per_player) { 1412 if ($map->per_player) {
1409 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1413 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1410 } 1414 }
1411 1415
1412 $map 1416 $map
1413} 1417}
1414 1418
1415sub emergency_save { 1419sub emergency_save {
1416 local $cf::FREEZE = 1; 1420 my $freeze_guard = cf::freeze_mainloop;
1417 1421
1418 warn "enter emergency map save\n"; 1422 warn "enter emergency map save\n";
1419 1423
1420 cf::sync_job { 1424 cf::sync_job {
1421 warn "begin emergency map save\n"; 1425 warn "begin emergency map save\n";
… …
1511 my $link_pos = delete $self->{_link_pos}; 1515 my $link_pos = delete $self->{_link_pos};
1512 1516
1513 unless ($map) { 1517 unless ($map) {
1514 # restore original map position 1518 # restore original map position
1515 ($map, $x, $y) = @{ $link_pos || [] }; 1519 ($map, $x, $y) = @{ $link_pos || [] };
1516 $map = cf::map::find_map $map; 1520 $map = cf::map::find $map;
1517 1521
1518 unless ($map) { 1522 unless ($map) {
1519 ($map, $x, $y) = @$EMERGENCY_POSITION; 1523 ($map, $x, $y) = @$EMERGENCY_POSITION;
1520 $map = cf::map::find_map $map 1524 $map = cf::map::find $map
1521 or die "FATAL: cannot load emergency map\n"; 1525 or die "FATAL: cannot load emergency map\n";
1522 } 1526 }
1523 } 1527 }
1524 1528
1525 ($x, $y) = (-1, -1) 1529 ($x, $y) = (-1, -1)
… …
1561 }; 1565 };
1562 } 1566 }
1563 }, 1567 },
1564); 1568);
1565 1569
1566=item $player_object->goto_map ($path, $x, $y) 1570=item $player_object->goto ($path, $x, $y)
1567 1571
1568=cut 1572=cut
1569 1573
1570sub cf::object::player::goto_map { 1574sub cf::object::player::goto {
1571 my ($self, $path, $x, $y) = @_; 1575 my ($self, $path, $x, $y) = @_;
1572 1576
1573 $self->enter_link; 1577 $self->enter_link;
1574 1578
1575 (cf::async { 1579 (cf::async {
1576 $path = new cf::path $path; 1580 $path = new cf::path $path;
1577 1581
1578 my $map = cf::map::find_map $path->as_string; 1582 my $map = cf::map::find $path->as_string;
1579 $map = $map->customise_for ($self) if $map; 1583 $map = $map->customise_for ($self) if $map;
1580 1584
1581# warn "entering ", $map->path, " at ($x, $y)\n" 1585# warn "entering ", $map->path, " at ($x, $y)\n"
1582# if $map; 1586# if $map;
1583 1587
… …
1643 return unless $self->type == cf::PLAYER; 1647 return unless $self->type == cf::PLAYER;
1644 1648
1645 $self->enter_link; 1649 $self->enter_link;
1646 1650
1647 (cf::async { 1651 (cf::async {
1652 $self->deactivate_recursive; # just to be sure
1648 unless (eval { 1653 unless (eval {
1649 prepare_random_map $exit 1654 prepare_random_map $exit
1650 if $exit->slaying eq "/!"; 1655 if $exit->slaying eq "/!";
1651 1656
1652 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1657 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1653 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 1658 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1654 1659
1655 1; 1660 1;
1656 }) { 1661 }) {
1657 $self->message ("Something went wrong deep within the crossfire server. " 1662 $self->message ("Something went wrong deep within the crossfire server. "
1658 . "I'll try to bring you back to the map you were before. " 1663 . "I'll try to bring you back to the map you were before. "
… …
1988 open my $fh, "<:utf8", cf::confdir . "/config" 1993 open my $fh, "<:utf8", cf::confdir . "/config"
1989 or return; 1994 or return;
1990 1995
1991 local $/; 1996 local $/;
1992 *CFG = YAML::Syck::Load <$fh>; 1997 *CFG = YAML::Syck::Load <$fh>;
1998
1999 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000
2001 if (exists $CFG{mlockall}) {
2002 eval {
2003 $CFG{mlockall} ? &mlockall : &munlockall
2004 and die "WARNING: m(un)lockall failed: $!\n";
2005 };
2006 warn $@ if $@;
2007 }
1993} 2008}
1994 2009
1995sub main { 2010sub main {
1996 # we must not ever block the main coroutine 2011 # we must not ever block the main coroutine
1997 local $Coro::idle = sub { 2012 local $Coro::idle = sub {
… …
2017 return; 2032 return;
2018 } 2033 }
2019 2034
2020 warn "reloading..."; 2035 warn "reloading...";
2021 2036
2022 local $FREEZE = 1; 2037 my $guard = freeze_mainloop;
2023 cf::emergency_save; 2038 cf::emergency_save;
2024 2039
2025 eval { 2040 eval {
2026 # if anything goes wrong in here, we should simply crash as we already saved 2041 # if anything goes wrong in here, we should simply crash as we already saved
2027 2042
… …
2163 reentrant => 0, 2178 reentrant => 0,
2164 prio => 0, 2179 prio => 0,
2165 at => $NEXT_TICK || $TICK, 2180 at => $NEXT_TICK || $TICK,
2166 data => WF_AUTOCANCEL, 2181 data => WF_AUTOCANCEL,
2167 cb => sub { 2182 cb => sub {
2168 unless ($FREEZE) {
2169 cf::server_tick; # one server iteration 2183 cf::server_tick; # one server iteration
2170 $RUNTIME += $TICK; 2184 $RUNTIME += $TICK;
2171 }
2172
2173 $NEXT_TICK += $TICK; 2185 $NEXT_TICK += $TICK;
2174 2186
2175 # if we are delayed by four ticks or more, skip them all 2187 # if we are delayed by four ticks or more, skip them all
2176 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2188 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2177 2189

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