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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.133 by root, Thu Jan 4 16:19:32 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;
213Wait until the given lock is available and then acquires it and returns 212Wait until the given lock is available and then acquires it and returns
214a guard object. If the guard object gets destroyed (goes out of scope, 213a guard object. If the guard object gets destroyed (goes out of scope,
215for example when the coroutine gets canceled), the lock is automatically 214for example when the coroutine gets canceled), the lock is automatically
216returned. 215returned.
217 216
218Lock names should begin with a unique identifier (for example, find_map 217Lock names should begin with a unique identifier (for example, cf::map::find
219uses map_find and load_map uses map_load). 218uses map_find and cf::map::load uses map_load).
220 219
221=cut 220=cut
222 221
223our %LOCK; 222our %LOCK;
224 223
258 257
259 Coro::async { 258 Coro::async {
260 eval { $cb->() }; 259 eval { $cb->() };
261 warn $@ if $@; 260 warn $@ if $@;
262 } 261 }
262}
263
264sub freeze_mainloop {
265 return unless $TICK_WATCHER->is_active;
266
267 my $guard = guard { $TICK_WATCHER->start };
268 $TICK_WATCHER->stop;
269 $guard
263} 270}
264 271
265=item cf::sync_job { BLOCK } 272=item cf::sync_job { BLOCK }
266 273
267The design of crossfire+ requires that the main coro ($Coro::main) is 274The design of crossfire+ requires that the main coro ($Coro::main) is
282 # this is the main coro, too bad, we have to block 289 # this is the main coro, too bad, we have to block
283 # till the operation succeeds, freezing the server :/ 290 # till the operation succeeds, freezing the server :/
284 291
285 # TODO: use suspend/resume instead 292 # TODO: use suspend/resume instead
286 # (but this is cancel-safe) 293 # (but this is cancel-safe)
287 local $FREEZE = 1; 294 my $freeze_guard = freeze_mainloop;
288 295
289 my $busy = 1; 296 my $busy = 1;
290 my @res; 297 my @res;
291 298
292 (Coro::async { 299 (Coro::async {
1136package cf::map; 1143package cf::map;
1137 1144
1138use Fcntl; 1145use Fcntl;
1139use Coro::AIO; 1146use Coro::AIO;
1140 1147
1141our $MAX_RESET = 7200; 1148our $MAX_RESET = 3600;
1142our $DEFAULT_RESET = 3600; 1149our $DEFAULT_RESET = 3000;
1143 1150
1144sub generate_random_map { 1151sub generate_random_map {
1145 my ($path, $rmp) = @_; 1152 my ($path, $rmp) = @_;
1146 1153
1147 # mit "rum" bekleckern, nicht 1154 # mit "rum" bekleckern, nicht
1185 $map->{load_path} = $path; 1192 $map->{load_path} = $path;
1186 1193
1187 $map 1194 $map
1188} 1195}
1189 1196
1190sub find_map; 1197sub find;
1191sub find_map { 1198sub find {
1192 my ($path, $origin) = @_; 1199 my ($path, $origin) = @_;
1193 1200
1194 #warn "find_map<$path,$origin>\n";#d# 1201 #warn "find<$path,$origin>\n";#d#
1195 1202
1196 $path = new cf::path $path, $origin && $origin->path; 1203 $path = new cf::path $path, $origin && $origin->path;
1197 my $key = $path->as_string; 1204 my $key = $path->as_string;
1198 1205
1199 cf::lock_wait "map_find:$key"; 1206 cf::lock_wait "map_find:$key";
1203 1210
1204 # do it the slow way 1211 # do it the slow way
1205 my $map = try_load_header $path->save_path; 1212 my $map = try_load_header $path->save_path;
1206 1213
1207 if ($map) { 1214 if ($map) {
1215 $map->last_access ((delete $map->{last_access})
1216 || $cf::RUNTIME); #d#
1208 # safety 1217 # safety
1209 $map->{instantiate_time} = $cf::RUNTIME 1218 $map->{instantiate_time} = $cf::RUNTIME
1210 if $map->{instantiate_time} > $cf::RUNTIME; 1219 if $map->{instantiate_time} > $cf::RUNTIME;
1211 } else { 1220 } else {
1212 if (my $rmp = $path->random_map_params) { 1221 if (my $rmp = $path->random_map_params) {
1217 1226
1218 $map or return; 1227 $map or return;
1219 1228
1220 $map->{load_original} = 1; 1229 $map->{load_original} = 1;
1221 $map->{instantiate_time} = $cf::RUNTIME; 1230 $map->{instantiate_time} = $cf::RUNTIME;
1231 $map->last_access ($cf::RUNTIME);
1222 $map->instantiate; 1232 $map->instantiate;
1223 1233
1224 # per-player maps become, after loading, normal maps 1234 # per-player maps become, after loading, normal maps
1225 $map->per_player (0) if $path->{user_rel}; 1235 $map->per_player (0) if $path->{user_rel};
1226 } 1236 }
1227 1237
1228 $map->path ($key); 1238 $map->path ($key);
1229 $map->{path} = $path; 1239 $map->{path} = $path;
1230 $map->{last_save} = $cf::RUNTIME; 1240 $map->{last_save} = $cf::RUNTIME;
1231 $map->last_access ($cf::RUNTIME);
1232 1241
1233 if ($map->should_reset) { 1242 if ($map->should_reset) {
1234 $map->reset; 1243 $map->reset;
1235 undef $guard; 1244 undef $guard;
1236 $map = find_map $path 1245 $map = find $path
1237 or return; 1246 or return;
1238 } 1247 }
1239 1248
1240 $cf::MAP{$key} = $map 1249 $cf::MAP{$key} = $map
1241 } 1250 }
1283 } 1292 }
1284 1293
1285 $self->in_memory (cf::MAP_IN_MEMORY); 1294 $self->in_memory (cf::MAP_IN_MEMORY);
1286} 1295}
1287 1296
1288sub load_map_sync { 1297sub find_sync {
1289 my ($path, $origin) = @_; 1298 my ($path, $origin) = @_;
1290 1299
1291 #warn "load_map_sync<$path, $origin>\n";#d# 1300 cf::sync_job { cf::map::find $path, $origin }
1301}
1292 1302
1293 cf::sync_job { 1303sub do_load_sync {
1294 my $map = cf::map::find_map $path, $origin 1304 my ($map) = @_;
1295 or return; 1305
1296 $map->load; 1306 cf::sync_job { $map->load };
1297 $map
1298 }
1299} 1307}
1300 1308
1301sub save { 1309sub save {
1302 my ($self) = @_; 1310 my ($self) = @_;
1303 1311
1309 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1317 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1310 1318
1311 $self->{load_path} = $save; 1319 $self->{load_path} = $save;
1312 1320
1313 return if $self->{deny_save}; 1321 return if $self->{deny_save};
1322
1323 local $self->{last_access} = $self->last_access;#d#
1314 1324
1315 if ($uniq) { 1325 if ($uniq) {
1316 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1326 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317 $self->save_objects ($uniq, cf::IO_UNIQUES); 1327 $self->save_objects ($uniq, cf::IO_UNIQUES);
1318 } else { 1328 } else {
1403 1413
1404sub customise_for { 1414sub customise_for {
1405 my ($map, $ob) = @_; 1415 my ($map, $ob) = @_;
1406 1416
1407 if ($map->per_player) { 1417 if ($map->per_player) {
1408 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1418 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1409 } 1419 }
1410 1420
1411 $map 1421 $map
1412} 1422}
1413 1423
1414sub emergency_save { 1424sub emergency_save {
1415 local $cf::FREEZE = 1; 1425 my $freeze_guard = cf::freeze_mainloop;
1416 1426
1417 warn "enter emergency map save\n"; 1427 warn "enter emergency map save\n";
1418 1428
1419 cf::sync_job { 1429 cf::sync_job {
1420 warn "begin emergency map save\n"; 1430 warn "begin emergency map save\n";
1510 my $link_pos = delete $self->{_link_pos}; 1520 my $link_pos = delete $self->{_link_pos};
1511 1521
1512 unless ($map) { 1522 unless ($map) {
1513 # restore original map position 1523 # restore original map position
1514 ($map, $x, $y) = @{ $link_pos || [] }; 1524 ($map, $x, $y) = @{ $link_pos || [] };
1515 $map = cf::map::find_map $map; 1525 $map = cf::map::find $map;
1516 1526
1517 unless ($map) { 1527 unless ($map) {
1518 ($map, $x, $y) = @$EMERGENCY_POSITION; 1528 ($map, $x, $y) = @$EMERGENCY_POSITION;
1519 $map = cf::map::find_map $map 1529 $map = cf::map::find $map
1520 or die "FATAL: cannot load emergency map\n"; 1530 or die "FATAL: cannot load emergency map\n";
1521 } 1531 }
1522 } 1532 }
1523 1533
1524 ($x, $y) = (-1, -1) 1534 ($x, $y) = (-1, -1)
1572 $self->enter_link; 1582 $self->enter_link;
1573 1583
1574 (cf::async { 1584 (cf::async {
1575 $path = new cf::path $path; 1585 $path = new cf::path $path;
1576 1586
1577 my $map = cf::map::find_map $path->as_string; 1587 my $map = cf::map::find $path->as_string;
1578 $map = $map->customise_for ($self) if $map; 1588 $map = $map->customise_for ($self) if $map;
1579 1589
1580# warn "entering ", $map->path, " at ($x, $y)\n" 1590# warn "entering ", $map->path, " at ($x, $y)\n"
1581# if $map; 1591# if $map;
1582 1592
1642 return unless $self->type == cf::PLAYER; 1652 return unless $self->type == cf::PLAYER;
1643 1653
1644 $self->enter_link; 1654 $self->enter_link;
1645 1655
1646 (cf::async { 1656 (cf::async {
1657 $self->deactivate_recursive; # just to be sure
1647 unless (eval { 1658 unless (eval {
1648 prepare_random_map $exit 1659 prepare_random_map $exit
1649 if $exit->slaying eq "/!"; 1660 if $exit->slaying eq "/!";
1650 1661
1651 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1662 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
2026 return; 2037 return;
2027 } 2038 }
2028 2039
2029 warn "reloading..."; 2040 warn "reloading...";
2030 2041
2031 local $FREEZE = 1; 2042 my $guard = freeze_mainloop;
2032 cf::emergency_save; 2043 cf::emergency_save;
2033 2044
2034 eval { 2045 eval {
2035 # if anything goes wrong in here, we should simply crash as we already saved 2046 # if anything goes wrong in here, we should simply crash as we already saved
2036 2047
2172 reentrant => 0, 2183 reentrant => 0,
2173 prio => 0, 2184 prio => 0,
2174 at => $NEXT_TICK || $TICK, 2185 at => $NEXT_TICK || $TICK,
2175 data => WF_AUTOCANCEL, 2186 data => WF_AUTOCANCEL,
2176 cb => sub { 2187 cb => sub {
2177 unless ($FREEZE) {
2178 cf::server_tick; # one server iteration 2188 cf::server_tick; # one server iteration
2179 $RUNTIME += $TICK; 2189 $RUNTIME += $TICK;
2180 }
2181
2182 $NEXT_TICK += $TICK; 2190 $NEXT_TICK += $TICK;
2183 2191
2184 # if we are delayed by four ticks or more, skip them all 2192 # if we are delayed by four ticks or more, skip them all
2185 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2193 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186 2194

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