| … | |
… | |
| 49 | our $UPTIME; $UPTIME ||= time; |
49 | our $UPTIME; $UPTIME ||= time; |
| 50 | our $RUNTIME; |
50 | our $RUNTIME; |
| 51 | |
51 | |
| 52 | our %MAP; # all maps |
52 | our %MAP; # all maps |
| 53 | our $LINK_MAP; # the special {link} map |
53 | our $LINK_MAP; # the special {link} map |
| 54 | our $FREEZE; |
|
|
| 55 | our $RANDOM_MAPS = cf::localdir . "/random"; |
54 | our $RANDOM_MAPS = cf::localdir . "/random"; |
| 56 | our %EXT_CORO; |
55 | our %EXT_CORO; |
| 57 | |
56 | |
| 58 | binmode STDOUT; |
57 | binmode STDOUT; |
| 59 | binmode STDERR; |
58 | binmode STDERR; |
| … | |
… | |
| 180 | sub to_json($) { |
179 | sub to_json($) { |
| 181 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
180 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
| 182 | JSON::Syck::Dump $_[0] |
181 | JSON::Syck::Dump $_[0] |
| 183 | } |
182 | } |
| 184 | |
183 | |
| 185 | =item my $guard = cf::guard { BLOCK } |
|
|
| 186 | |
|
|
| 187 | Run the given callback when the guard object gets destroyed (useful for |
|
|
| 188 | coroutine cancellations). |
|
|
| 189 | |
|
|
| 190 | You can call C<< ->cancel >> on the guard object to stop the block from |
|
|
| 191 | being executed. |
|
|
| 192 | |
|
|
| 193 | =cut |
|
|
| 194 | |
|
|
| 195 | sub guard(&) { |
|
|
| 196 | bless \(my $cb = $_[0]), cf::guard::; |
|
|
| 197 | } |
|
|
| 198 | |
|
|
| 199 | sub cf::guard::cancel { |
|
|
| 200 | ${$_[0]} = sub { }; |
|
|
| 201 | } |
|
|
| 202 | |
|
|
| 203 | sub cf::guard::DESTROY { |
|
|
| 204 | ${$_[0]}->(); |
|
|
| 205 | } |
|
|
| 206 | |
|
|
| 207 | =item cf::lock_wait $string |
184 | =item cf::lock_wait $string |
| 208 | |
185 | |
| 209 | Wait until the given lock is available. See cf::lock_acquire. |
186 | Wait until the given lock is available. See cf::lock_acquire. |
| 210 | |
187 | |
| 211 | =item my $lock = cf::lock_acquire $string |
188 | =item my $lock = cf::lock_acquire $string |
| 212 | |
189 | |
| 213 | Wait until the given lock is available and then acquires it and returns |
190 | Wait until the given lock is available and then acquires it and returns |
| 214 | a guard object. If the guard object gets destroyed (goes out of scope, |
191 | a Coro::guard object. If the guard object gets destroyed (goes out of scope, |
| 215 | for example when the coroutine gets canceled), the lock is automatically |
192 | for example when the coroutine gets canceled), the lock is automatically |
| 216 | returned. |
193 | returned. |
| 217 | |
194 | |
| 218 | Lock names should begin with a unique identifier (for example, find_map |
195 | Lock names should begin with a unique identifier (for example, cf::map::find |
| 219 | uses map_find and load_map uses map_load). |
196 | uses map_find and cf::map::load uses map_load). |
| 220 | |
197 | |
| 221 | =cut |
198 | =cut |
| 222 | |
199 | |
| 223 | our %LOCK; |
200 | our %LOCK; |
| 224 | |
201 | |
| … | |
… | |
| 238 | # wait, to be sure we are not locked |
215 | # wait, to be sure we are not locked |
| 239 | lock_wait $key; |
216 | lock_wait $key; |
| 240 | |
217 | |
| 241 | $LOCK{$key} = []; |
218 | $LOCK{$key} = []; |
| 242 | |
219 | |
| 243 | cf::guard { |
220 | Coro::guard { |
| 244 | # wake up all waiters, to be on the safe side |
221 | # wake up all waiters, to be on the safe side |
| 245 | $_->ready for @{ delete $LOCK{$key} }; |
222 | $_->ready for @{ delete $LOCK{$key} }; |
| 246 | } |
223 | } |
| 247 | } |
224 | } |
| 248 | |
225 | |
| … | |
… | |
| 258 | |
235 | |
| 259 | Coro::async { |
236 | Coro::async { |
| 260 | eval { $cb->() }; |
237 | eval { $cb->() }; |
| 261 | warn $@ if $@; |
238 | warn $@ if $@; |
| 262 | } |
239 | } |
|
|
240 | } |
|
|
241 | |
|
|
242 | sub freeze_mainloop { |
|
|
243 | return unless $TICK_WATCHER->is_active; |
|
|
244 | |
|
|
245 | my $guard = Coro::guard { $TICK_WATCHER->start }; |
|
|
246 | $TICK_WATCHER->stop; |
|
|
247 | $guard |
| 263 | } |
248 | } |
| 264 | |
249 | |
| 265 | =item cf::sync_job { BLOCK } |
250 | =item cf::sync_job { BLOCK } |
| 266 | |
251 | |
| 267 | The design of crossfire+ requires that the main coro ($Coro::main) is |
252 | The design of crossfire+ requires that the main coro ($Coro::main) is |
| … | |
… | |
| 282 | # this is the main coro, too bad, we have to block |
267 | # this is the main coro, too bad, we have to block |
| 283 | # till the operation succeeds, freezing the server :/ |
268 | # till the operation succeeds, freezing the server :/ |
| 284 | |
269 | |
| 285 | # TODO: use suspend/resume instead |
270 | # TODO: use suspend/resume instead |
| 286 | # (but this is cancel-safe) |
271 | # (but this is cancel-safe) |
| 287 | local $FREEZE = 1; |
272 | my $freeze_guard = freeze_mainloop; |
| 288 | |
273 | |
| 289 | my $busy = 1; |
274 | my $busy = 1; |
| 290 | my @res; |
275 | my @res; |
| 291 | |
276 | |
| 292 | (Coro::async { |
277 | (Coro::async { |
| … | |
… | |
| 1136 | package cf::map; |
1121 | package cf::map; |
| 1137 | |
1122 | |
| 1138 | use Fcntl; |
1123 | use Fcntl; |
| 1139 | use Coro::AIO; |
1124 | use Coro::AIO; |
| 1140 | |
1125 | |
| 1141 | our $MAX_RESET = 7200; |
1126 | our $MAX_RESET = 3600; |
| 1142 | our $DEFAULT_RESET = 3600; |
1127 | our $DEFAULT_RESET = 3000; |
| 1143 | |
1128 | |
| 1144 | sub generate_random_map { |
1129 | sub generate_random_map { |
| 1145 | my ($path, $rmp) = @_; |
1130 | my ($path, $rmp) = @_; |
| 1146 | |
1131 | |
| 1147 | # mit "rum" bekleckern, nicht |
1132 | # mit "rum" bekleckern, nicht |
| … | |
… | |
| 1177 | or return; |
1162 | or return; |
| 1178 | |
1163 | |
| 1179 | my $map = cf::map::new |
1164 | my $map = cf::map::new |
| 1180 | or return; |
1165 | or return; |
| 1181 | |
1166 | |
|
|
1167 | # for better error messages only, will be overwritten |
|
|
1168 | $map->path ($path); |
|
|
1169 | |
| 1182 | $map->load_header ($path) |
1170 | $map->load_header ($path) |
| 1183 | or return; |
1171 | or return; |
| 1184 | |
1172 | |
| 1185 | $map->{load_path} = $path; |
1173 | $map->{load_path} = $path; |
| 1186 | |
1174 | |
| 1187 | $map |
1175 | $map |
| 1188 | } |
1176 | } |
| 1189 | |
1177 | |
| 1190 | sub find_map; |
1178 | sub find; |
| 1191 | sub find_map { |
1179 | sub find { |
| 1192 | my ($path, $origin) = @_; |
1180 | my ($path, $origin) = @_; |
| 1193 | |
1181 | |
| 1194 | #warn "find_map<$path,$origin>\n";#d# |
1182 | #warn "find<$path,$origin>\n";#d# |
| 1195 | |
1183 | |
| 1196 | $path = new cf::path $path, $origin && $origin->path; |
1184 | $path = new cf::path $path, $origin && $origin->path; |
| 1197 | my $key = $path->as_string; |
1185 | my $key = $path->as_string; |
| 1198 | |
1186 | |
| 1199 | cf::lock_wait "map_find:$key"; |
1187 | cf::lock_wait "map_find:$key"; |
| … | |
… | |
| 1201 | $cf::MAP{$key} || do { |
1189 | $cf::MAP{$key} || do { |
| 1202 | my $guard = cf::lock_acquire "map_find:$key"; |
1190 | my $guard = cf::lock_acquire "map_find:$key"; |
| 1203 | |
1191 | |
| 1204 | # do it the slow way |
1192 | # do it the slow way |
| 1205 | my $map = try_load_header $path->save_path; |
1193 | my $map = try_load_header $path->save_path; |
|
|
1194 | |
|
|
1195 | Coro::cede; |
| 1206 | |
1196 | |
| 1207 | if ($map) { |
1197 | if ($map) { |
| 1208 | $map->last_access ((delete $map->{last_access}) |
1198 | $map->last_access ((delete $map->{last_access}) |
| 1209 | || $cf::RUNTIME); #d# |
1199 | || $cf::RUNTIME); #d# |
| 1210 | # safety |
1200 | # safety |
| … | |
… | |
| 1230 | |
1220 | |
| 1231 | $map->path ($key); |
1221 | $map->path ($key); |
| 1232 | $map->{path} = $path; |
1222 | $map->{path} = $path; |
| 1233 | $map->{last_save} = $cf::RUNTIME; |
1223 | $map->{last_save} = $cf::RUNTIME; |
| 1234 | |
1224 | |
|
|
1225 | Coro::cede; |
|
|
1226 | |
| 1235 | if ($map->should_reset) { |
1227 | if ($map->should_reset) { |
| 1236 | $map->reset; |
1228 | $map->reset; |
| 1237 | undef $guard; |
1229 | undef $guard; |
| 1238 | $map = find_map $path |
1230 | $map = find $path |
| 1239 | or return; |
1231 | or return; |
| 1240 | } |
1232 | } |
| 1241 | |
1233 | |
| 1242 | $cf::MAP{$key} = $map |
1234 | $cf::MAP{$key} = $map |
| 1243 | } |
1235 | } |
| … | |
… | |
| 1265 | if (aio_open $uniq, O_RDONLY, 0) { |
1257 | if (aio_open $uniq, O_RDONLY, 0) { |
| 1266 | $self->clear_unique_items; |
1258 | $self->clear_unique_items; |
| 1267 | $self->load_objects ($uniq, 0); |
1259 | $self->load_objects ($uniq, 0); |
| 1268 | } |
1260 | } |
| 1269 | } |
1261 | } |
|
|
1262 | |
|
|
1263 | Coro::cede; |
| 1270 | |
1264 | |
| 1271 | # now do the right thing for maps |
1265 | # now do the right thing for maps |
| 1272 | $self->link_multipart_objects; |
1266 | $self->link_multipart_objects; |
| 1273 | |
1267 | |
| 1274 | if ($self->{path}->is_style_map) { |
1268 | if ($self->{path}->is_style_map) { |
| … | |
… | |
| 1282 | $self->difficulty ($self->estimate_difficulty) |
1276 | $self->difficulty ($self->estimate_difficulty) |
| 1283 | unless $self->difficulty; |
1277 | unless $self->difficulty; |
| 1284 | $self->activate; |
1278 | $self->activate; |
| 1285 | } |
1279 | } |
| 1286 | |
1280 | |
|
|
1281 | Coro::cede; |
|
|
1282 | |
| 1287 | $self->in_memory (cf::MAP_IN_MEMORY); |
1283 | $self->in_memory (cf::MAP_IN_MEMORY); |
| 1288 | } |
1284 | } |
| 1289 | |
1285 | |
| 1290 | sub load_map_sync { |
1286 | sub find_sync { |
| 1291 | my ($path, $origin) = @_; |
1287 | my ($path, $origin) = @_; |
| 1292 | |
1288 | |
| 1293 | #warn "load_map_sync<$path, $origin>\n";#d# |
1289 | cf::sync_job { cf::map::find $path, $origin } |
|
|
1290 | } |
| 1294 | |
1291 | |
| 1295 | cf::sync_job { |
1292 | sub do_load_sync { |
| 1296 | my $map = cf::map::find_map $path, $origin |
1293 | my ($map) = @_; |
| 1297 | or return; |
1294 | |
| 1298 | $map->load; |
1295 | cf::sync_job { $map->load }; |
| 1299 | $map |
|
|
| 1300 | } |
|
|
| 1301 | } |
1296 | } |
| 1302 | |
1297 | |
| 1303 | sub save { |
1298 | sub save { |
| 1304 | my ($self) = @_; |
1299 | my ($self) = @_; |
|
|
1300 | |
|
|
1301 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
| 1305 | |
1302 | |
| 1306 | $self->{last_save} = $cf::RUNTIME; |
1303 | $self->{last_save} = $cf::RUNTIME; |
| 1307 | |
1304 | |
| 1308 | return unless $self->dirty; |
1305 | return unless $self->dirty; |
| 1309 | |
1306 | |
| … | |
… | |
| 1328 | my ($self) = @_; |
1325 | my ($self) = @_; |
| 1329 | |
1326 | |
| 1330 | # save first because save cedes |
1327 | # save first because save cedes |
| 1331 | $self->save; |
1328 | $self->save; |
| 1332 | |
1329 | |
|
|
1330 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
|
|
1331 | |
| 1333 | return if $self->players; |
1332 | return if $self->players; |
| 1334 | return if $self->in_memory != cf::MAP_IN_MEMORY; |
1333 | return if $self->in_memory != cf::MAP_IN_MEMORY; |
| 1335 | return if $self->{deny_save}; |
1334 | return if $self->{deny_save}; |
| 1336 | |
1335 | |
| 1337 | $self->clear; |
1336 | $self->clear; |
| … | |
… | |
| 1379 | } |
1378 | } |
| 1380 | |
1379 | |
| 1381 | sub reset { |
1380 | sub reset { |
| 1382 | my ($self) = @_; |
1381 | my ($self) = @_; |
| 1383 | |
1382 | |
|
|
1383 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
|
|
1384 | |
| 1384 | return if $self->players; |
1385 | return if $self->players; |
| 1385 | return if $self->{path}{user_rel};#d# |
1386 | return if $self->{path}{user_rel};#d# |
| 1386 | |
1387 | |
| 1387 | warn "resetting map ", $self->path;#d# |
1388 | warn "resetting map ", $self->path;#d# |
| 1388 | |
1389 | |
| … | |
… | |
| 1407 | |
1408 | |
| 1408 | sub customise_for { |
1409 | sub customise_for { |
| 1409 | my ($map, $ob) = @_; |
1410 | my ($map, $ob) = @_; |
| 1410 | |
1411 | |
| 1411 | if ($map->per_player) { |
1412 | if ($map->per_player) { |
| 1412 | return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; |
1413 | return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; |
| 1413 | } |
1414 | } |
| 1414 | |
1415 | |
| 1415 | $map |
1416 | $map |
| 1416 | } |
1417 | } |
| 1417 | |
1418 | |
| 1418 | sub emergency_save { |
1419 | sub emergency_save { |
| 1419 | local $cf::FREEZE = 1; |
1420 | my $freeze_guard = cf::freeze_mainloop; |
| 1420 | |
1421 | |
| 1421 | warn "enter emergency map save\n"; |
1422 | warn "enter emergency map save\n"; |
| 1422 | |
1423 | |
| 1423 | cf::sync_job { |
1424 | cf::sync_job { |
| 1424 | warn "begin emergency map save\n"; |
1425 | warn "begin emergency map save\n"; |
| … | |
… | |
| 1514 | my $link_pos = delete $self->{_link_pos}; |
1515 | my $link_pos = delete $self->{_link_pos}; |
| 1515 | |
1516 | |
| 1516 | unless ($map) { |
1517 | unless ($map) { |
| 1517 | # restore original map position |
1518 | # restore original map position |
| 1518 | ($map, $x, $y) = @{ $link_pos || [] }; |
1519 | ($map, $x, $y) = @{ $link_pos || [] }; |
| 1519 | $map = cf::map::find_map $map; |
1520 | $map = cf::map::find $map; |
| 1520 | |
1521 | |
| 1521 | unless ($map) { |
1522 | unless ($map) { |
| 1522 | ($map, $x, $y) = @$EMERGENCY_POSITION; |
1523 | ($map, $x, $y) = @$EMERGENCY_POSITION; |
| 1523 | $map = cf::map::find_map $map |
1524 | $map = cf::map::find $map |
| 1524 | or die "FATAL: cannot load emergency map\n"; |
1525 | or die "FATAL: cannot load emergency map\n"; |
| 1525 | } |
1526 | } |
| 1526 | } |
1527 | } |
| 1527 | |
1528 | |
| 1528 | ($x, $y) = (-1, -1) |
1529 | ($x, $y) = (-1, -1) |
| … | |
… | |
| 1564 | }; |
1565 | }; |
| 1565 | } |
1566 | } |
| 1566 | }, |
1567 | }, |
| 1567 | ); |
1568 | ); |
| 1568 | |
1569 | |
| 1569 | =item $player_object->goto_map ($path, $x, $y) |
1570 | =item $player_object->goto ($path, $x, $y) |
| 1570 | |
1571 | |
| 1571 | =cut |
1572 | =cut |
| 1572 | |
1573 | |
| 1573 | sub cf::object::player::goto_map { |
1574 | sub cf::object::player::goto { |
| 1574 | my ($self, $path, $x, $y) = @_; |
1575 | my ($self, $path, $x, $y) = @_; |
| 1575 | |
1576 | |
| 1576 | $self->enter_link; |
1577 | $self->enter_link; |
| 1577 | |
1578 | |
| 1578 | (cf::async { |
1579 | (cf::async { |
| 1579 | $path = new cf::path $path; |
1580 | $path = new cf::path $path; |
| 1580 | |
1581 | |
| 1581 | my $map = cf::map::find_map $path->as_string; |
1582 | my $map = cf::map::find $path->as_string; |
| 1582 | $map = $map->customise_for ($self) if $map; |
1583 | $map = $map->customise_for ($self) if $map; |
| 1583 | |
1584 | |
| 1584 | # warn "entering ", $map->path, " at ($x, $y)\n" |
1585 | # warn "entering ", $map->path, " at ($x, $y)\n" |
| 1585 | # if $map; |
1586 | # if $map; |
| 1586 | |
1587 | |
| … | |
… | |
| 1646 | return unless $self->type == cf::PLAYER; |
1647 | return unless $self->type == cf::PLAYER; |
| 1647 | |
1648 | |
| 1648 | $self->enter_link; |
1649 | $self->enter_link; |
| 1649 | |
1650 | |
| 1650 | (cf::async { |
1651 | (cf::async { |
|
|
1652 | $self->deactivate_recursive; # just to be sure |
| 1651 | unless (eval { |
1653 | unless (eval { |
| 1652 | prepare_random_map $exit |
1654 | prepare_random_map $exit |
| 1653 | if $exit->slaying eq "/!"; |
1655 | if $exit->slaying eq "/!"; |
| 1654 | |
1656 | |
| 1655 | 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; |
| 1656 | $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); |
1658 | $self->goto ($path, $exit->stats->hp, $exit->stats->sp); |
| 1657 | |
1659 | |
| 1658 | 1; |
1660 | 1; |
| 1659 | }) { |
1661 | }) { |
| 1660 | $self->message ("Something went wrong deep within the crossfire server. " |
1662 | $self->message ("Something went wrong deep within the crossfire server. " |
| 1661 | . "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. " |
| … | |
… | |
| 2030 | return; |
2032 | return; |
| 2031 | } |
2033 | } |
| 2032 | |
2034 | |
| 2033 | warn "reloading..."; |
2035 | warn "reloading..."; |
| 2034 | |
2036 | |
| 2035 | local $FREEZE = 1; |
2037 | my $guard = freeze_mainloop; |
| 2036 | cf::emergency_save; |
2038 | cf::emergency_save; |
| 2037 | |
2039 | |
| 2038 | eval { |
2040 | eval { |
| 2039 | # 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 |
| 2040 | |
2042 | |
| … | |
… | |
| 2176 | reentrant => 0, |
2178 | reentrant => 0, |
| 2177 | prio => 0, |
2179 | prio => 0, |
| 2178 | at => $NEXT_TICK || $TICK, |
2180 | at => $NEXT_TICK || $TICK, |
| 2179 | data => WF_AUTOCANCEL, |
2181 | data => WF_AUTOCANCEL, |
| 2180 | cb => sub { |
2182 | cb => sub { |
| 2181 | unless ($FREEZE) { |
|
|
| 2182 | cf::server_tick; # one server iteration |
2183 | cf::server_tick; # one server iteration |
| 2183 | $RUNTIME += $TICK; |
2184 | $RUNTIME += $TICK; |
| 2184 | } |
|
|
| 2185 | |
|
|
| 2186 | $NEXT_TICK += $TICK; |
2185 | $NEXT_TICK += $TICK; |
| 2187 | |
2186 | |
| 2188 | # 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 |
| 2189 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2188 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
| 2190 | |
2189 | |
