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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.199 by root, Mon Jan 29 14:46:01 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 3.5 ();
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;
33 33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 35
36our %COMMAND = (); 36our %COMMAND = ();
37our %COMMAND_TIME = (); 37our %COMMAND_TIME = ();
38
39our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 40our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps
39 43
40our @EVENT; 44our @EVENT;
41our $LIBDIR = datadir . "/ext"; 45our $LIBDIR = datadir . "/ext";
42 46
43our $TICK = MAX_TIME * 1e-6; 47our $TICK = MAX_TIME * 1e-6;
44our $TICK_WATCHER; 48our $TICK_WATCHER;
49our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER;
45our $NEXT_TICK; 51our $NEXT_TICK;
46our $NOW; 52our $NOW;
47 53
48our %CFG; 54our %CFG;
49 55
50our $UPTIME; $UPTIME ||= time; 56our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 57our $RUNTIME;
52 58
53our %PLAYER; # all users 59our %PLAYER; # all users
54our %MAP; # all maps 60our %MAP; # all maps
55our $LINK_MAP; # the special {link} map 61our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random"; 62our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions
58 63
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66
67# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61 69
62binmode STDOUT; 70binmode STDOUT;
63binmode STDERR; 71binmode STDERR;
64 72
65# read virtual server time, if available 73# read virtual server time, if available
73mkdir cf::localdir . "/" . cf::playerdir; 81mkdir cf::localdir . "/" . cf::playerdir;
74mkdir cf::localdir . "/" . cf::tmpdir; 82mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir; 83mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS; 84mkdir $RANDOM_MAPS;
77 85
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 86our $EMERGENCY_POSITION;
87
88sub cf::map::normalise;
81 89
82############################################################################# 90#############################################################################
83 91
84=head2 GLOBAL VARIABLES 92=head2 GLOBAL VARIABLES
85 93
156} 164}
157 165
158$Event::DIED = sub { 166$Event::DIED = sub {
159 warn "error in event callback: @_"; 167 warn "error in event callback: @_";
160}; 168};
161
162my %ext_pkg;
163my @exts;
164my @hook;
165 169
166=head2 UTILITY FUNCTIONS 170=head2 UTILITY FUNCTIONS
167 171
168=over 4 172=over 4
169 173
257} 261}
258 262
259sub freeze_mainloop { 263sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 264 return unless $TICK_WATCHER->is_active;
261 265
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 266 my $guard = Coro::guard {
267 $TICK_WATCHER->start;
268 $WRITE_RUNTIME_WATCHER->start;
269 };
270 $WRITE_RUNTIME_WATCHER->stop;
263 $TICK_WATCHER->stop; 271 $TICK_WATCHER->stop;
264 $guard 272 $guard
265} 273}
266 274
267=item cf::async { BLOCK } 275=item cf::async { BLOCK }
319 } 327 }
320} 328}
321 329
322=item $coro = cf::async_ext { BLOCK } 330=item $coro = cf::async_ext { BLOCK }
323 331
324Like async, but this coro is automcatially being canceled when the 332Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 333extension calling this is being unloaded.
326 334
327=cut 335=cut
328 336
329sub async_ext(&) { 337sub async_ext(&) {
343 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
344 352
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346 or return; 354 or return;
347 355
356 my $value = $cf::RUNTIME + 90 + 10;
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0 360 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return; 361 and return;
351 362
352 aio_fsync $fh 363 aio_fsync $fh
353 and return; 364 and return;
362} 373}
363 374
364=back 375=back
365 376
366=cut 377=cut
367
368#############################################################################
369
370package cf::path;
371
372use overload
373 '""' => \&as_string;
374
375# used to convert map paths into valid unix filenames by repalcing / by ∕
376our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378sub new {
379 my ($class, $path, $base) = @_;
380
381 $path = $path->as_string if ref $path;
382
383 my $self = bless { }, $class;
384
385 # {... are special paths that are not touched
386 # ?xxx/... are special absolute paths
387 # ?random/... random maps
388 # /! non-realised random map exit
389 # /... normal maps
390 # ~/... per-player maps without a specific player (DO NOT USE)
391 # ~user/... per-player map of a specific user
392
393 $path =~ s/$PATH_SEP/\//go;
394
395 if ($path =~ /^{/) {
396 # fine as it is
397 } elsif ($path =~ s{^\?random/}{}) {
398 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399 $self->{random} = cf::from_json $data;
400 } else {
401 if ($path =~ s{^~([^/]+)?}{}) {
402 $self->{user_rel} = 1;
403
404 if (defined $1) {
405 $self->{user} = $1;
406 } elsif ($base =~ m{^~([^/]+)/}) {
407 $self->{user} = $1;
408 } else {
409 warn "cannot resolve user-relative path without user <$path,$base>\n";
410 }
411 } elsif ($path =~ /^\//) {
412 # already absolute
413 } else {
414 $base =~ s{[^/]+/?$}{};
415 return $class->new ("$base/$path");
416 }
417
418 for ($path) {
419 redo if s{/\.?/}{/};
420 redo if s{/[^/]+/\.\./}{/};
421 }
422 }
423
424 $self->{path} = $path;
425
426 $self
427}
428
429# the name / primary key / in-game path
430sub as_string {
431 my ($self) = @_;
432
433 $self->{user_rel} ? "~$self->{user}$self->{path}"
434 : $self->{random} ? "?random/$self->{path}"
435 : $self->{path}
436}
437
438# the displayed name, this is a one way mapping
439sub visible_name {
440 my ($self) = @_;
441
442# if (my $rmp = $self->{random}) {
443# # todo: be more intelligent about this
444# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445# } else {
446 $self->as_string
447# }
448}
449
450# escape the /'s in the path
451sub _escaped_path {
452 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453 $path
454}
455
456# the original (read-only) location
457sub load_path {
458 my ($self) = @_;
459
460 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461}
462
463# the temporary/swap location
464sub save_path {
465 my ($self) = @_;
466
467 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470}
471
472# the unique path, might be eq to save_path
473sub uniq_path {
474 my ($self) = @_;
475
476 $self->{user_rel} || $self->{random}
477 ? undef
478 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479}
480
481# return random map parameters, or undef
482sub random_map_params {
483 my ($self) = @_;
484
485 $self->{random}
486}
487
488# this is somewhat ugly, but style maps do need special treatment
489sub is_style_map {
490 $_[0]{path} =~ m{^/styles/}
491}
492
493package cf;
494 378
495############################################################################# 379#############################################################################
496 380
497=head2 ATTACHABLE OBJECTS 381=head2 ATTACHABLE OBJECTS
498 382
624our @CB_TYPE = (); # registry for type (cf-object class) based events 508our @CB_TYPE = (); # registry for type (cf-object class) based events
625our @CB_MAP = (); 509our @CB_MAP = ();
626 510
627my %attachment; 511my %attachment;
628 512
513sub cf::attachable::thawer_merge {
514 # simply override everything except _meta
515 local $_[0]{_meta};
516 %{$_[0]} = %{$_[1]};
517}
518
629sub _attach_cb($$$$) { 519sub _attach_cb($$$$) {
630 my ($registry, $event, $prio, $cb) = @_; 520 my ($registry, $event, $prio, $cb) = @_;
631 521
632 use sort 'stable'; 522 use sort 'stable';
633 523
804# object support 694# object support
805 695
806sub reattach { 696sub reattach {
807 # basically do the same as instantiate, without calling instantiate 697 # basically do the same as instantiate, without calling instantiate
808 my ($obj) = @_; 698 my ($obj) = @_;
699
700 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809 701
810 my $registry = $obj->registry; 702 my $registry = $obj->registry;
811 703
812 @$registry = (); 704 @$registry = ();
813 705
945=cut 837=cut
946 838
947sub register_extcmd { 839sub register_extcmd {
948 my ($name, $cb) = @_; 840 my ($name, $cb) = @_;
949 841
950 my $caller = caller;
951 #warn "registering extcmd '$name' to '$caller'";
952
953 $EXTCMD{$name} = [$cb, $caller]; 842 $EXTCMD{$name} = $cb;
954} 843}
955 844
956cf::player->attach ( 845cf::player->attach (
957 on_command => sub { 846 on_command => sub {
958 my ($pl, $name, $params) = @_; 847 my ($pl, $name, $params) = @_;
971 860
972 my $msg = eval { from_json $buf }; 861 my $msg = eval { from_json $buf };
973 862
974 if (ref $msg) { 863 if (ref $msg) {
975 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 864 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976 if (my %reply = $cb->[0]->($pl, $msg)) { 865 if (my %reply = $cb->($pl, $msg)) {
977 $pl->ext_reply ($msg->{msgid}, %reply); 866 $pl->ext_reply ($msg->{msgid}, %reply);
978 } 867 }
979 } 868 }
980 } else { 869 } else {
981 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 870 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
983 872
984 cf::override; 873 cf::override;
985 }, 874 },
986); 875);
987 876
988sub register {
989 my ($base, $pkg) = @_;
990
991 #TODO
992}
993
994sub load_extension { 877sub load_extension {
995 my ($path) = @_; 878 my ($path) = @_;
996 879
997 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 880 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
998 my $base = $1; 881 my $base = $1;
999 my $pkg = $1; 882 my $pkg = $1;
1000 $pkg =~ s/[^[:word:]]/_/g; 883 $pkg =~ s/[^[:word:]]/_/g;
1001 $pkg = "ext::$pkg"; 884 $pkg = "ext::$pkg";
1002 885
1003 warn "loading '$path' into '$pkg'\n"; 886 warn "... loading '$path' into '$pkg'\n";
1004 887
1005 open my $fh, "<:utf8", $path 888 open my $fh, "<:utf8", $path
1006 or die "$path: $!"; 889 or die "$path: $!";
1007 890
1008 my $source = 891 my $source =
1009 "package $pkg; use strict; use utf8;\n" 892 "package $pkg; use strict; use utf8;\n"
1010 . "#line 1 \"$path\"\n{\n" 893 . "#line 1 \"$path\"\n{\n"
1011 . (do { local $/; <$fh> }) 894 . (do { local $/; <$fh> })
1012 . "\n};\n1"; 895 . "\n};\n1";
1013 896
1014 eval $source 897 unless (eval $source) {
1015 or die $@ ? "$path: $@\n" 898 my $msg = $@ ? "$path: $@\n"
1016 : "extension disabled.\n"; 899 : "extension disabled.\n";
1017 900 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018 push @exts, $pkg; 901 warn $@;
1019 $ext_pkg{$base} = $pkg; 902 warn "mandatory extension failed to load, exiting.\n";
1020 903 exit 1;
1021# no strict 'refs'; 904 }
1022# @{"$pkg\::ISA"} = ext::; 905 die $@;
1023
1024 register $base, $pkg;
1025}
1026
1027sub unload_extension {
1028 my ($pkg) = @_;
1029
1030 warn "removing extension $pkg\n";
1031
1032 # remove hooks
1033 #TODO
1034# for my $idx (0 .. $#PLUGIN_EVENT) {
1035# delete $hook[$idx]{$pkg};
1036# } 906 }
1037 907
1038 # remove commands 908 push @EXTS, $pkg;
1039 for my $name (keys %COMMAND) {
1040 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042 if (@cb) {
1043 $COMMAND{$name} = \@cb;
1044 } else {
1045 delete $COMMAND{$name};
1046 }
1047 }
1048
1049 # remove extcmds
1050 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051 delete $EXTCMD{$name};
1052 }
1053
1054 if (my $cb = $pkg->can ("unload")) {
1055 eval {
1056 $cb->($pkg);
1057 1
1058 } or warn "$pkg unloaded, but with errors: $@";
1059 }
1060
1061 Symbol::delete_package $pkg;
1062} 909}
1063 910
1064sub load_extensions { 911sub load_extensions {
1065 for my $ext (<$LIBDIR/*.ext>) { 912 for my $ext (<$LIBDIR/*.ext>) {
1066 next unless -r $ext; 913 next unless -r $ext;
1070 } or warn "$ext not loaded: $@"; 917 } or warn "$ext not loaded: $@";
1071 } 918 }
1072} 919}
1073 920
1074############################################################################# 921#############################################################################
1075# load/save/clean perl data associated with a map
1076
1077*cf::mapsupport::on_clean = sub {
1078 my ($map) = @_;
1079
1080 my $path = $map->tmpname;
1081 defined $path or return;
1082
1083 unlink "$path.pst";
1084};
1085
1086cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088#############################################################################
1089 922
1090=head2 CORE EXTENSIONS 923=head2 CORE EXTENSIONS
1091 924
1092Functions and methods that extend core crossfire objects. 925Functions and methods that extend core crossfire objects.
1093 926
1129 962
1130sub exists($) { 963sub exists($) {
1131 my ($login) = @_; 964 my ($login) = @_;
1132 965
1133 $cf::PLAYER{$login} 966 $cf::PLAYER{$login}
1134 or cf::sync_job { !aio_stat $login } 967 or cf::sync_job { !aio_stat path $login }
1135} 968}
1136 969
1137sub find($) { 970sub find($) {
1138 return $cf::PLAYER{$_[0]} || do { 971 return $cf::PLAYER{$_[0]} || do {
1139 my $login = $_[0]; 972 my $login = $_[0];
1229 \@logins 1062 \@logins
1230} 1063}
1231 1064
1232=item $player->maps 1065=item $player->maps
1233 1066
1234Returns an arrayref of cf::path's of all maps that are private for this 1067Returns an arrayref of map paths that are private for this
1235player. May block. 1068player. May block.
1236 1069
1237=cut 1070=cut
1238 1071
1239sub maps($) { 1072sub maps($) {
1247 for (@$files) { 1080 for (@$files) {
1248 utf8::decode $_; 1081 utf8::decode $_;
1249 next if /\.(?:pl|pst)$/; 1082 next if /\.(?:pl|pst)$/;
1250 next unless /^$PATH_SEP/o; 1083 next unless /^$PATH_SEP/o;
1251 1084
1252 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1085 push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
1253 } 1086 }
1254 1087
1255 \@paths 1088 \@paths
1256} 1089}
1257 1090
1283package cf::map; 1116package cf::map;
1284 1117
1285use Fcntl; 1118use Fcntl;
1286use Coro::AIO; 1119use Coro::AIO;
1287 1120
1121use overload
1122 '""' => \&as_string,
1123 fallback => 1;
1124
1288our $MAX_RESET = 3600; 1125our $MAX_RESET = 3600;
1289our $DEFAULT_RESET = 3000; 1126our $DEFAULT_RESET = 3000;
1290 1127
1291sub generate_random_map { 1128sub generate_random_map {
1292 my ($path, $rmp) = @_; 1129 my ($self, $rmp) = @_;
1293
1294 # mit "rum" bekleckern, nicht 1130 # mit "rum" bekleckern, nicht
1295 cf::map::_create_random_map 1131 $self->_create_random_map (
1296 $path,
1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1132 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1133 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1134 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300 $rmp->{exit_on_final_map}, 1135 $rmp->{exit_on_final_map},
1301 $rmp->{xsize}, $rmp->{ysize}, 1136 $rmp->{xsize}, $rmp->{ysize},
1302 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1137 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1138 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1139 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1140 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1141 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307 (cf::region::find $rmp->{region}) 1142 (cf::region::find $rmp->{region}), $rmp->{custom}
1143 )
1144}
1145
1146=item cf::map->register ($regex, $prio)
1147
1148Register a handler for the map path matching the given regex at the
1149givne priority (higher is better, built-in handlers have priority 0, the
1150default).
1151
1152=cut
1153
1154sub register {
1155 my (undef, $regex, $prio) = @_;
1156 my $pkg = caller;
1157
1158 no strict;
1159 push @{"$pkg\::ISA"}, __PACKAGE__;
1160
1161 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1162}
1163
1164# also paths starting with '/'
1165$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1166
1167sub thawer_merge {
1168 my ($self, $merge) = @_;
1169
1170 # we have to keep some variables in memory intact
1171 local $self->{path};
1172 local $self->{load_path};
1173 local $self->{deny_save};
1174 local $self->{deny_reset};
1175
1176 $self->SUPER::thawer_merge ($merge);
1177}
1178
1179sub normalise {
1180 my ($path, $base) = @_;
1181
1182 $path = "$path"; # make sure its a string
1183
1184 $path =~ s/\.map$//;
1185
1186 # map plan:
1187 #
1188 # /! non-realised random map exit (special hack!)
1189 # {... are special paths that are not being touched
1190 # ?xxx/... are special absolute paths
1191 # ?random/... random maps
1192 # /... normal maps
1193 # ~user/... per-player map of a specific user
1194
1195 $path =~ s/$PATH_SEP/\//go;
1196
1197 # treat it as relative path if it starts with
1198 # something that looks reasonable
1199 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1200 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1201
1202 $base =~ s{[^/]+/?$}{};
1203 $path = "$base/$path";
1204 }
1205
1206 for ($path) {
1207 redo if s{//}{/};
1208 redo if s{/\.?/}{/};
1209 redo if s{/[^/]+/\.\./}{/};
1210 }
1211
1212 $path
1213}
1214
1215sub new_from_path {
1216 my (undef, $path, $base) = @_;
1217
1218 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1219
1220 $path = normalise $path, $base;
1221
1222 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1223 if ($path =~ $EXT_MAP{$pkg}[1]) {
1224 my $self = bless cf::map::new, $pkg;
1225 $self->{path} = $path; $self->path ($path);
1226 $self->init; # pass $1 etc.
1227 return $self;
1228 }
1229 }
1230
1231 Carp::carp "unable to resolve path '$path' (base '$base').";
1232 ()
1233}
1234
1235sub init {
1236 my ($self) = @_;
1237
1238 $self
1239}
1240
1241sub as_string {
1242 my ($self) = @_;
1243
1244 "$self->{path}"
1245}
1246
1247# the displayed name, this is a one way mapping
1248sub visible_name {
1249 &as_string
1250}
1251
1252# the original (read-only) location
1253sub load_path {
1254 my ($self) = @_;
1255
1256 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1257}
1258
1259# the temporary/swap location
1260sub save_path {
1261 my ($self) = @_;
1262
1263 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1265}
1266
1267# the unique path, undef == no special unique path
1268sub uniq_path {
1269 my ($self) = @_;
1270
1271 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1308} 1273}
1309 1274
1310# and all this just because we cannot iterate over 1275# and all this just because we cannot iterate over
1311# all maps in C++... 1276# all maps in C++...
1312sub change_all_map_light { 1277sub change_all_map_light {
1314 1279
1315 $_->change_map_light ($change) 1280 $_->change_map_light ($change)
1316 for grep $_->outdoor, values %cf::MAP; 1281 for grep $_->outdoor, values %cf::MAP;
1317} 1282}
1318 1283
1284sub unlink_save {
1285 my ($self) = @_;
1286
1287 utf8::encode (my $save = $self->save_path);
1288 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1289 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1290}
1291
1319sub try_load_header($) { 1292sub load_header_from($) {
1320 my ($path) = @_; 1293 my ($self, $path) = @_;
1321 1294
1322 utf8::encode $path; 1295 utf8::encode $path;
1323 aio_open $path, O_RDONLY, 0 1296 aio_open $path, O_RDONLY, 0
1324 or return; 1297 or return;
1325 1298
1326 my $map = cf::map::new 1299 $self->_load_header ($path)
1327 or return; 1300 or return;
1328 1301
1329 # for better error messages only, will be overwritten 1302 $self->{load_path} = $path;
1330 $map->path ($path);
1331 1303
1332 $map->load_header ($path) 1304 1
1305}
1306
1307sub load_header_orig {
1308 my ($self) = @_;
1309
1310 $self->load_header_from ($self->load_path)
1311}
1312
1313sub load_header_temp {
1314 my ($self) = @_;
1315
1316 $self->load_header_from ($self->save_path)
1317}
1318
1319sub prepare_temp {
1320 my ($self) = @_;
1321
1322 $self->last_access ((delete $self->{last_access})
1323 || $cf::RUNTIME); #d#
1324 # safety
1325 $self->{instantiate_time} = $cf::RUNTIME
1326 if $self->{instantiate_time} > $cf::RUNTIME;
1327}
1328
1329sub prepare_orig {
1330 my ($self) = @_;
1331
1332 $self->{load_original} = 1;
1333 $self->{instantiate_time} = $cf::RUNTIME;
1334 $self->last_access ($cf::RUNTIME);
1335 $self->instantiate;
1336}
1337
1338sub load_header {
1339 my ($self) = @_;
1340
1341 if ($self->load_header_temp) {
1342 $self->prepare_temp;
1343 } else {
1344 $self->load_header_orig
1333 or return; 1345 or return;
1346 $self->prepare_orig;
1347 }
1334 1348
1335 $map->{load_path} = $path; 1349 1
1336
1337 $map
1338} 1350}
1339 1351
1340sub find; 1352sub find;
1341sub find { 1353sub find {
1342 my ($path, $origin) = @_; 1354 my ($path, $origin) = @_;
1343 1355
1344 #warn "find<$path,$origin>\n";#d#
1345
1346 $path = new cf::path $path, $origin && $origin->path; 1356 $path = normalise $path, $origin && $origin->path;
1347 my $key = $path->as_string;
1348 1357
1349 cf::lock_wait "map_find:$key"; 1358 cf::lock_wait "map_find:$path";
1350 1359
1351 $cf::MAP{$key} || do { 1360 $cf::MAP{$path} || do {
1352 my $guard = cf::lock_acquire "map_find:$key"; 1361 my $guard = cf::lock_acquire "map_find:$path";
1353 1362 my $map = new_from_path cf::map $path
1354 # do it the slow way
1355 my $map = try_load_header $path->save_path;
1356
1357 Coro::cede;
1358
1359 if ($map) {
1360 $map->last_access ((delete $map->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $map->{instantiate_time} = $cf::RUNTIME
1364 if $map->{instantiate_time} > $cf::RUNTIME;
1365 } else {
1366 if (my $rmp = $path->random_map_params) {
1367 $map = generate_random_map $key, $rmp;
1368 } else {
1369 $map = try_load_header $path->load_path;
1370 }
1371
1372 $map or return; 1363 or return;
1373 1364
1374 $map->{load_original} = 1;
1375 $map->{instantiate_time} = $cf::RUNTIME;
1376 $map->last_access ($cf::RUNTIME);
1377 $map->instantiate;
1378
1379 # per-player maps become, after loading, normal maps
1380 $map->per_player (0) if $path->{user_rel};
1381 }
1382
1383 $map->path ($key);
1384 $map->{path} = $path;
1385 $map->{last_save} = $cf::RUNTIME; 1365 $map->{last_save} = $cf::RUNTIME;
1386 1366
1387 Coro::cede; 1367 $map->load_header
1368 or return;
1388 1369
1389 if ($map->should_reset) { 1370 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1371 # doing this can freeze the server in a sync job, obviously
1372 #$cf::WAIT_FOR_TICK->wait;
1390 $map->reset; 1373 $map->reset;
1391 undef $guard; 1374 undef $guard;
1392 $map = find $path 1375 return find $path;
1393 or return;
1394 } 1376 }
1395 1377
1396 $cf::MAP{$key} = $map 1378 $cf::MAP{$path} = $map
1397 } 1379 }
1398} 1380}
1381
1382sub pre_load { }
1383sub post_load { }
1399 1384
1400sub load { 1385sub load {
1401 my ($self) = @_; 1386 my ($self) = @_;
1402 1387
1388 local $self->{deny_reset} = 1; # loading can take a long time
1389
1403 my $path = $self->{path}; 1390 my $path = $self->{path};
1404 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1391 my $guard = cf::lock_acquire "map_load:$path";
1405 1392
1406 return if $self->in_memory != cf::MAP_SWAPPED; 1393 return if $self->in_memory != cf::MAP_SWAPPED;
1407 1394
1408 $self->in_memory (cf::MAP_LOADING); 1395 $self->in_memory (cf::MAP_LOADING);
1409 1396
1410 $self->alloc; 1397 $self->alloc;
1398
1399 $self->pre_load;
1400
1411 $self->load_objects ($self->{load_path}, 1) 1401 $self->_load_objects ($self->{load_path}, 1)
1412 or return; 1402 or return;
1413 1403
1414 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1404 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415 if delete $self->{load_original}; 1405 if delete $self->{load_original};
1416 1406
1417 if (my $uniq = $path->uniq_path) { 1407 if (my $uniq = $self->uniq_path) {
1418 utf8::encode $uniq; 1408 utf8::encode $uniq;
1419 if (aio_open $uniq, O_RDONLY, 0) { 1409 if (aio_open $uniq, O_RDONLY, 0) {
1420 $self->clear_unique_items; 1410 $self->clear_unique_items;
1421 $self->load_objects ($uniq, 0); 1411 $self->_load_objects ($uniq, 0);
1422 } 1412 }
1423 } 1413 }
1424 1414
1425 Coro::cede; 1415 Coro::cede;
1426 1416
1427 # now do the right thing for maps 1417 # now do the right thing for maps
1428 $self->link_multipart_objects; 1418 $self->link_multipart_objects;
1429 1419
1430 if ($self->{path}->is_style_map) { 1420 unless ($self->{deny_activate}) {
1431 $self->{deny_save} = 1; 1421 $self->decay_objects;
1432 $self->{deny_reset} = 1;
1433 } else {
1434 $self->fix_auto_apply; 1422 $self->fix_auto_apply;
1435 $self->decay_objects;
1436 $self->update_buttons; 1423 $self->update_buttons;
1424 Coro::cede;
1437 $self->set_darkness_map; 1425 $self->set_darkness_map;
1438 $self->difficulty ($self->estimate_difficulty) 1426 $self->difficulty ($self->estimate_difficulty)
1439 unless $self->difficulty; 1427 unless $self->difficulty;
1428 Coro::cede;
1440 $self->activate; 1429 $self->activate;
1441 } 1430 }
1442 1431
1443 Coro::cede; 1432 $self->post_load;
1444 1433
1445 $self->in_memory (cf::MAP_IN_MEMORY); 1434 $self->in_memory (cf::MAP_IN_MEMORY);
1435}
1436
1437sub customise_for {
1438 my ($self, $ob) = @_;
1439
1440 return find "~" . $ob->name . "/" . $self->{path}
1441 if $self->per_player;
1442
1443 $self
1446} 1444}
1447 1445
1448# find and load all maps in the 3x3 area around a map 1446# find and load all maps in the 3x3 area around a map
1449sub load_diag { 1447sub load_diag {
1450 my ($map) = @_; 1448 my ($map) = @_;
1480 1478
1481 cf::sync_job { $map->load }; 1479 cf::sync_job { $map->load };
1482} 1480}
1483 1481
1484our %MAP_PREFETCH; 1482our %MAP_PREFETCH;
1485our $MAP_PREFETCHER = Coro::async { 1483our $MAP_PREFETCHER = undef;
1486 while () {
1487 while (%MAP_PREFETCH) {
1488 my $key = each %MAP_PREFETCH
1489 or next;
1490 my $path = delete $MAP_PREFETCH{$key};
1491
1492 my $map = find $path
1493 or next;
1494 $map->load;
1495 }
1496 Coro::schedule;
1497 }
1498};
1499 1484
1500sub find_async { 1485sub find_async {
1501 my ($path, $origin) = @_; 1486 my ($path, $origin) = @_;
1502 1487
1503 $path = new cf::path $path, $origin && $origin->path; 1488 $path = normalise $path, $origin && $origin->{path};
1504 my $key = $path->as_string;
1505 1489
1506 if (my $map = $cf::MAP{$key}) { 1490 if (my $map = $cf::MAP{$path}) {
1507 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1491 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508 } 1492 }
1509 1493
1510 $MAP_PREFETCH{$key} = $path; 1494 undef $MAP_PREFETCH{$path};
1495 $MAP_PREFETCHER ||= cf::async {
1496 while (%MAP_PREFETCH) {
1497 for my $path (keys %MAP_PREFETCH) {
1498 my $map = find $path
1499 or next;
1500 $map->load;
1501
1502 delete $MAP_PREFETCH{$path};
1503 }
1504 }
1505 undef $MAP_PREFETCHER;
1506 };
1511 $MAP_PREFETCHER->ready; 1507 $MAP_PREFETCHER->prio (6);
1512 1508
1513 () 1509 ()
1514} 1510}
1515 1511
1516sub save { 1512sub save {
1520 1516
1521 $self->{last_save} = $cf::RUNTIME; 1517 $self->{last_save} = $cf::RUNTIME;
1522 1518
1523 return unless $self->dirty; 1519 return unless $self->dirty;
1524 1520
1525 my $save = $self->{path}->save_path; utf8::encode $save; 1521 my $save = $self->save_path; utf8::encode $save;
1526 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1522 my $uniq = $self->uniq_path; utf8::encode $uniq;
1527 1523
1528 $self->{load_path} = $save; 1524 $self->{load_path} = $save;
1529 1525
1530 return if $self->{deny_save}; 1526 return if $self->{deny_save};
1531 1527
1534 cf::async { 1530 cf::async {
1535 $_->contr->save for $self->players; 1531 $_->contr->save for $self->players;
1536 }; 1532 };
1537 1533
1538 if ($uniq) { 1534 if ($uniq) {
1539 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1535 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540 $self->save_objects ($uniq, cf::IO_UNIQUES); 1536 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1541 } else { 1537 } else {
1542 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1538 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543 } 1539 }
1544} 1540}
1545 1541
1546sub swap_out { 1542sub swap_out {
1547 my ($self) = @_; 1543 my ($self) = @_;
1561 1557
1562sub reset_at { 1558sub reset_at {
1563 my ($self) = @_; 1559 my ($self) = @_;
1564 1560
1565 # TODO: safety, remove and allow resettable per-player maps 1561 # TODO: safety, remove and allow resettable per-player maps
1566 return 1e99 if $self->{path}{user_rel}; 1562 return 1e99 if $self->isa ("ext::map_per_player");#d#
1567 return 1e99 if $self->{deny_reset}; 1563 return 1e99 if $self->{deny_reset};
1568 1564
1569 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571 1567
1576 my ($self) = @_; 1572 my ($self) = @_;
1577 1573
1578 $self->reset_at <= $cf::RUNTIME 1574 $self->reset_at <= $cf::RUNTIME
1579} 1575}
1580 1576
1581sub unlink_save {
1582 my ($self) = @_;
1583
1584 utf8::encode (my $save = $self->{path}->save_path);
1585 aioreq_pri 3; IO::AIO::aio_unlink $save;
1586 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587}
1588
1589sub rename {
1590 my ($self, $new_path) = @_;
1591
1592 $self->unlink_save;
1593
1594 delete $cf::MAP{$self->path};
1595 $self->{path} = new cf::path $new_path;
1596 $self->path ($self->{path}->as_string);
1597 $cf::MAP{$self->path} = $self;
1598
1599 $self->save;
1600}
1601
1602sub reset { 1577sub reset {
1603 my ($self) = @_; 1578 my ($self) = @_;
1604 1579
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 1580 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 1581
1607 return if $self->players; 1582 return if $self->players;
1608 return if $self->{path}{user_rel};#d# 1583 return if $self->isa ("ext::map_per_player");#d#
1609 1584
1610 warn "resetting map ", $self->path;#d# 1585 warn "resetting map ", $self->path;#d#
1611 1586
1612 delete $cf::MAP{$self->path}; 1587 delete $cf::MAP{$self->path};
1588
1589 $self->in_memory (cf::MAP_SWAPPED);
1590 $self->clear;
1613 1591
1614 $_->clear_links_to ($self) for values %cf::MAP; 1592 $_->clear_links_to ($self) for values %cf::MAP;
1615 1593
1616 $self->unlink_save; 1594 $self->unlink_save;
1617 $self->destroy; 1595 $self->destroy;
1620my $nuke_counter = "aaaa"; 1598my $nuke_counter = "aaaa";
1621 1599
1622sub nuke { 1600sub nuke {
1623 my ($self) = @_; 1601 my ($self) = @_;
1624 1602
1603 delete $cf::MAP{$self->path};
1604
1605 $self->unlink_save;
1606
1607 bless $self, "cf::map";
1608 delete $self->{deny_reset};
1625 $self->{deny_save} = 1; 1609 $self->{deny_save} = 1;
1626 $self->reset_timeout (1); 1610 $self->reset_timeout (1);
1627 $self->rename ("{nuke}/" . ($nuke_counter++)); 1611 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612
1613 $cf::MAP{$self->path} = $self;
1614
1628 $self->reset; # polite request, might not happen 1615 $self->reset; # polite request, might not happen
1629} 1616}
1630 1617
1631sub customise_for {
1632 my ($map, $ob) = @_;
1633
1634 if ($map->per_player) {
1635 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636 }
1637
1638 $map
1639}
1640
1641=item cf::map::unique_maps 1618=item cf::map::unique_maps
1642 1619
1643Returns an arrayref of cf::path's of all shared maps that have 1620Returns an arrayref of paths of all shared maps that have
1644instantiated unique items. May block. 1621instantiated unique items. May block.
1645 1622
1646=cut 1623=cut
1647 1624
1648sub unique_maps() { 1625sub unique_maps() {
1654 for (@$files) { 1631 for (@$files) {
1655 utf8::decode $_; 1632 utf8::decode $_;
1656 next if /\.pst$/; 1633 next if /\.pst$/;
1657 next unless /^$PATH_SEP/o; 1634 next unless /^$PATH_SEP/o;
1658 1635
1659 push @paths, new cf::path $_; 1636 push @paths, cf::map::normalise $_;
1660 } 1637 }
1661 1638
1662 \@paths 1639 \@paths
1663} 1640}
1664 1641
1739 1716
1740=item $player_object->enter_link 1717=item $player_object->enter_link
1741 1718
1742Freezes the player and moves him/her to a special map (C<{link}>). 1719Freezes the player and moves him/her to a special map (C<{link}>).
1743 1720
1744The player should be reaosnably safe there for short amounts of time. You 1721The player should be reasonably safe there for short amounts of time. You
1745I<MUST> call C<leave_link> as soon as possible, though. 1722I<MUST> call C<leave_link> as soon as possible, though.
1746 1723
1724Will never block.
1725
1747=item $player_object->leave_link ($map, $x, $y) 1726=item $player_object->leave_link ($map, $x, $y)
1748 1727
1749Moves the player out of the specila link map onto the given map. If the 1728Moves the player out of the special C<{link}> map onto the specified
1750map is not valid (or omitted), the player will be moved back to the 1729map. If the map is not valid (or omitted), the player will be moved back
1751location he/she was before the call to C<enter_link>, or, if that fails, 1730to the location he/she was before the call to C<enter_link>, or, if that
1752to the emergency map position. 1731fails, to the emergency map position.
1753 1732
1754Might block. 1733Might block.
1755 1734
1756=cut 1735=cut
1736
1737sub link_map {
1738 unless ($LINK_MAP) {
1739 $LINK_MAP = cf::map::find "{link}"
1740 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1741 $LINK_MAP->load;
1742 }
1743
1744 $LINK_MAP
1745}
1757 1746
1758sub cf::object::player::enter_link { 1747sub cf::object::player::enter_link {
1759 my ($self) = @_; 1748 my ($self) = @_;
1760 1749
1761 $self->deactivate_recursive; 1750 $self->deactivate_recursive;
1762 1751
1763 return if $self->map == $LINK_MAP; 1752 return if UNIVERSAL::isa $self->map, "ext::map_link";
1764 1753
1765 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1754 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766 if $self->map; 1755 if $self->map;
1767 1756
1768 $self->enter_map ($LINK_MAP, 20, 20); 1757 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1769} 1758}
1770 1759
1771sub cf::object::player::leave_link { 1760sub cf::object::player::leave_link {
1772 my ($self, $map, $x, $y) = @_; 1761 my ($self, $map, $x, $y) = @_;
1773 1762
1837=cut 1826=cut
1838 1827
1839sub cf::object::player::goto { 1828sub cf::object::player::goto {
1840 my ($self, $path, $x, $y) = @_; 1829 my ($self, $path, $x, $y) = @_;
1841 1830
1842 $path = new cf::path $path;
1843
1844 $self->enter_link; 1831 $self->enter_link;
1845 1832
1846 (async { 1833 (async {
1834 my $map = eval {
1847 my $map = cf::map::find $path->as_string; 1835 my $map = cf::map::find $path;
1848 $map = $map->customise_for ($self) if $map; 1836 $map = $map->customise_for ($self) if $map;
1849 1837 $map
1850# warn "entering ", $map->path, " at ($x, $y)\n" 1838 } or
1851# if $map;
1852
1853 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1839 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854 1840
1855 $self->leave_link ($map, $x, $y); 1841 $self->leave_link ($map, $x, $y);
1856 })->prio (1); 1842 })->prio (1);
1857} 1843}
1858 1844
1862 1848
1863sub parse_random_map_params { 1849sub parse_random_map_params {
1864 my ($spec) = @_; 1850 my ($spec) = @_;
1865 1851
1866 my $rmp = { # defaults 1852 my $rmp = { # defaults
1867 xsize => 10, 1853 xsize => (cf::rndm 15, 40),
1868 ysize => 10, 1854 ysize => (cf::rndm 15, 40),
1855 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1856 #layout => string,
1869 }; 1857 };
1870 1858
1871 for (split /\n/, $spec) { 1859 for (split /\n/, $spec) {
1872 my ($k, $v) = split /\s+/, $_, 2; 1860 my ($k, $v) = split /\s+/, $_, 2;
1873 1861
1877 $rmp 1865 $rmp
1878} 1866}
1879 1867
1880sub prepare_random_map { 1868sub prepare_random_map {
1881 my ($exit) = @_; 1869 my ($exit) = @_;
1870
1871 my $guard = cf::lock_acquire "exit_prepare:$exit";
1882 1872
1883 # all this does is basically replace the /! path by 1873 # all this does is basically replace the /! path by
1884 # a new random map path (?random/...) with a seed 1874 # a new random map path (?random/...) with a seed
1885 # that depends on the exit object 1875 # that depends on the exit object
1886 1876
1887 my $rmp = parse_random_map_params $exit->msg; 1877 my $rmp = parse_random_map_params $exit->msg;
1888 1878
1889 if ($exit->map) { 1879 if ($exit->map) {
1890 $rmp->{region} = $exit->map->region_name; 1880 $rmp->{region} = $exit->region->name;
1891 $rmp->{origin_map} = $exit->map->path; 1881 $rmp->{origin_map} = $exit->map->path;
1892 $rmp->{origin_x} = $exit->x; 1882 $rmp->{origin_x} = $exit->x;
1893 $rmp->{origin_y} = $exit->y; 1883 $rmp->{origin_y} = $exit->y;
1894 } 1884 }
1895 1885
1896 $rmp->{random_seed} ||= $exit->random_seed; 1886 $rmp->{random_seed} ||= $exit->random_seed;
1897 1887
1898 my $data = cf::to_json $rmp; 1888 my $data = cf::to_json $rmp;
1899 my $md5 = Digest::MD5::md5_hex $data; 1889 my $md5 = Digest::MD5::md5_hex $data;
1890 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900 1891
1901 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1892 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902 aio_write $fh, 0, (length $data), $data, 0; 1893 aio_write $fh, 0, (length $data), $data, 0;
1894 undef $fh;
1895 aio_rename "$meta~", $meta;
1903 1896
1904 $exit->slaying ("?random/$md5"); 1897 $exit->slaying ("?random/$md5");
1905 $exit->msg (undef); 1898 $exit->msg (undef);
1906 } 1899 }
1907} 1900}
1908 1901
1909sub cf::object::player::enter_exit { 1902sub cf::object::player::enter_exit {
1910 my ($self, $exit) = @_; 1903 my ($self, $exit) = @_;
1911 1904
1912 return unless $self->type == cf::PLAYER; 1905 return unless $self->type == cf::PLAYER;
1906
1907 if ($exit->slaying eq "/!") {
1908 #TODO: this should de-fi-ni-te-ly not be a sync-job
1909 cf::sync_job { prepare_random_map $exit };
1910 }
1911
1912 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913 my $hp = $exit->stats->hp;
1914 my $sp = $exit->stats->sp;
1913 1915
1914 $self->enter_link; 1916 $self->enter_link;
1915 1917
1916 (async { 1918 (async {
1917 $self->deactivate_recursive; # just to be sure 1919 $self->deactivate_recursive; # just to be sure
1918 unless (eval { 1920 unless (eval {
1919 prepare_random_map $exit 1921 $self->goto ($slaying, $hp, $sp);
1920 if $exit->slaying eq "/!";
1921
1922 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924 1922
1925 1; 1923 1;
1926 }) { 1924 }) {
1927 $self->message ("Something went wrong deep within the crossfire server. " 1925 $self->message ("Something went wrong deep within the crossfire server. "
1928 . "I'll try to bring you back to the map you were before. " 1926 . "I'll try to bring you back to the map you were before. "
2217 sub db_sync() { 2215 sub db_sync() {
2218 db_save if $dirty; 2216 db_save if $dirty;
2219 undef $dirty; 2217 undef $dirty;
2220 } 2218 }
2221 2219
2222 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2220 my $idle = Event->idle (
2223 db_sync; 2221 reentrant => 0,
2222 min => 10,
2223 max => 20,
2224 repeat => 0,
2225 data => WF_AUTOCANCEL,
2226 cb => \&db_sync,
2224 }); 2227 );
2225 2228
2226 sub db_dirty() { 2229 sub db_dirty() {
2227 $dirty = 1; 2230 $dirty = 1;
2228 $idle->start; 2231 $idle->start;
2229 } 2232 }
2277 2280
2278sub main { 2281sub main {
2279 # we must not ever block the main coroutine 2282 # we must not ever block the main coroutine
2280 local $Coro::idle = sub { 2283 local $Coro::idle = sub {
2281 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2284 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285 (async {
2282 async { Event::one_event }; 2286 Event::one_event;
2287 })->prio (Coro::PRIO_MAX);
2283 }; 2288 };
2284 2289
2285 cfg_load; 2290 cfg_load;
2286 db_load; 2291 db_load;
2287 load_extensions; 2292 load_extensions;
2293
2294 $TICK_WATCHER->start;
2288 Event::loop; 2295 Event::loop;
2289} 2296}
2290 2297
2291############################################################################# 2298#############################################################################
2292# initialisation and cleanup 2299# initialisation and cleanup
2293 2300
2294# install some emergency cleanup handlers 2301# install some emergency cleanup handlers
2295BEGIN { 2302BEGIN {
2296 for my $signal (qw(INT HUP TERM)) { 2303 for my $signal (qw(INT HUP TERM)) {
2297 Event->signal ( 2304 Event->signal (
2305 reentrant => 0,
2298 data => WF_AUTOCANCEL, 2306 data => WF_AUTOCANCEL,
2299 signal => $signal, 2307 signal => $signal,
2308 prio => 0,
2300 cb => sub { 2309 cb => sub {
2301 cf::cleanup "SIG$signal"; 2310 cf::cleanup "SIG$signal";
2302 }, 2311 },
2303 ); 2312 );
2304 } 2313 }
2305} 2314}
2310 warn "enter emergency perl save\n"; 2319 warn "enter emergency perl save\n";
2311 2320
2312 cf::sync_job { 2321 cf::sync_job {
2313 # use a peculiar iteration method to avoid tripping on perl 2322 # use a peculiar iteration method to avoid tripping on perl
2314 # refcount bugs in for. also avoids problems with players 2323 # refcount bugs in for. also avoids problems with players
2315 # and maps saved/Destroyed asynchronously. 2324 # and maps saved/destroyed asynchronously.
2316 warn "begin emergency player save\n"; 2325 warn "begin emergency player save\n";
2317 for my $login (keys %cf::PLAYER) { 2326 for my $login (keys %cf::PLAYER) {
2318 my $pl = $cf::PLAYER{$login} or next; 2327 my $pl = $cf::PLAYER{$login} or next;
2319 $pl->valid or next; 2328 $pl->valid or next;
2320 $pl->save; 2329 $pl->save;
2334} 2343}
2335 2344
2336sub reload() { 2345sub reload() {
2337 # can/must only be called in main 2346 # can/must only be called in main
2338 if ($Coro::current != $Coro::main) { 2347 if ($Coro::current != $Coro::main) {
2339 warn "can only reload from main coroutine\n"; 2348 warn "can only reload from main coroutine";
2340 return; 2349 return;
2341 } 2350 }
2342 2351
2343 warn "reloading..."; 2352 warn "reloading...";
2344 2353
2345 my $guard = freeze_mainloop; 2354 warn "cancelling server ticker";
2355 $TICK_WATCHER->cancel;
2356
2346 cf::emergency_save; 2357 cf::emergency_save;
2347 2358
2348 eval { 2359 eval {
2349 # if anything goes wrong in here, we should simply crash as we already saved 2360 # if anything goes wrong in here, we should simply crash as we already saved
2350 2361
2351 # cancel all watchers 2362 warn "syncing database to disk";
2363 cf::db_sync;
2364
2365 warn "cancelling all WF_AUTOCANCEL watchers";
2352 for (Event::all_watchers) { 2366 for (Event::all_watchers) {
2353 $_->cancel if $_->data & WF_AUTOCANCEL; 2367 $_->cancel if $_->data & WF_AUTOCANCEL;
2354 } 2368 }
2355 2369
2370 warn "flushing outstanding aio requests";
2371 for (;;) {
2372 IO::AIO::flush;
2373 Coro::cede;
2374 last unless IO::AIO::nreqs;
2375 warn "iterate...";
2376 }
2377
2356 # cancel all extension coros 2378 warn "cancelling all extension coros";
2357 $_->cancel for values %EXT_CORO; 2379 $_->cancel for values %EXT_CORO;
2358 %EXT_CORO = (); 2380 %EXT_CORO = ();
2359 2381
2360 # unload all extensions 2382 warn "removing commands";
2361 for (@exts) { 2383 %COMMAND = ();
2384
2385 warn "removing ext commands";
2386 %EXTCMD = ();
2387
2388 warn "unloading/nuking all extensions";
2389 for my $pkg (@EXTS) {
2362 warn "unloading <$_>"; 2390 warn "... unloading $pkg";
2363 unload_extension $_; 2391
2392 if (my $cb = $pkg->can ("unload")) {
2393 eval {
2394 $cb->($pkg);
2395 1
2396 } or warn "$pkg unloaded, but with errors: $@";
2364 } 2397 }
2365 2398
2399 warn "... nuking $pkg";
2400 Symbol::delete_package $pkg;
2401 }
2402
2366 # unload all modules loaded from $LIBDIR 2403 warn "unloading all perl modules loaded from $LIBDIR";
2367 while (my ($k, $v) = each %INC) { 2404 while (my ($k, $v) = each %INC) {
2368 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2405 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369 2406
2370 warn "removing <$k>"; 2407 warn "... unloading $k";
2371 delete $INC{$k}; 2408 delete $INC{$k};
2372 2409
2373 $k =~ s/\.pm$//; 2410 $k =~ s/\.pm$//;
2374 $k =~ s/\//::/g; 2411 $k =~ s/\//::/g;
2375 2412
2378 } 2415 }
2379 2416
2380 Symbol::delete_package $k; 2417 Symbol::delete_package $k;
2381 } 2418 }
2382 2419
2383 # sync database to disk
2384 cf::db_sync;
2385 IO::AIO::flush;
2386
2387 # get rid of safe::, as good as possible 2420 warn "getting rid of safe::, as good as possible";
2388 Symbol::delete_package "safe::$_" 2421 Symbol::delete_package "safe::$_"
2389 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2422 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390 2423
2391 # remove register_script_function callbacks
2392 # TODO
2393
2394 # unload cf.pm "a bit" 2424 warn "unloading cf.pm \"a bit\"";
2395 delete $INC{"cf.pm"}; 2425 delete $INC{"cf.pm"};
2396 2426
2397 # don't, removes xs symbols, too, 2427 # don't, removes xs symbols, too,
2398 # and global variables created in xs 2428 # and global variables created in xs
2399 #Symbol::delete_package __PACKAGE__; 2429 #Symbol::delete_package __PACKAGE__;
2400 2430
2401 # reload cf.pm 2431 warn "unload completed, starting to reload now";
2432
2402 warn "reloading cf.pm"; 2433 warn "reloading cf.pm";
2403 require cf; 2434 require cf;
2404 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2435 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405 2436
2406 # load config and database again 2437 warn "loading config and database again";
2407 cf::cfg_load; 2438 cf::cfg_load;
2408 cf::db_load; 2439 cf::db_load;
2409 2440
2410 # load extensions
2411 warn "load extensions"; 2441 warn "loading extensions";
2412 cf::load_extensions; 2442 cf::load_extensions;
2413 2443
2414 # reattach attachments to objects 2444 warn "reattaching attachments to objects/players";
2415 warn "reattach";
2416 _global_reattach; 2445 _global_reattach;
2446 warn "reattaching attachments to maps";
2417 reattach $_ for values %MAP; 2447 reattach $_ for values %MAP;
2448
2449 warn "restarting server ticker";
2450
2451 $TICK_WATCHER->start;
2418 }; 2452 };
2419 2453
2420 if ($@) { 2454 if ($@) {
2421 warn $@; 2455 warn $@;
2422 warn "error while reloading, exiting."; 2456 warn "error while reloading, exiting.";
2423 exit 1; 2457 exit 1;
2424 } 2458 }
2425 2459
2426 warn "reloaded successfully"; 2460 warn "reloaded";
2427}; 2461};
2428 2462
2429############################################################################# 2463our $RELOAD_WATCHER; # used only during reload
2430
2431unless ($LINK_MAP) {
2432 $LINK_MAP = cf::map::new;
2433
2434 $LINK_MAP->width (41);
2435 $LINK_MAP->height (41);
2436 $LINK_MAP->alloc;
2437 $LINK_MAP->path ("{link}");
2438 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441 # dirty hack because... archetypes are not yet loaded
2442 Event->timer (
2443 after => 10,
2444 cb => sub {
2445 $_[0]->w->cancel;
2446
2447 # provide some exits "home"
2448 my $exit = cf::object::new "exit";
2449
2450 $exit->slaying ($EMERGENCY_POSITION->[0]);
2451 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454 $LINK_MAP->insert ($exit->clone, 19, 19);
2455 $LINK_MAP->insert ($exit->clone, 19, 20);
2456 $LINK_MAP->insert ($exit->clone, 19, 21);
2457 $LINK_MAP->insert ($exit->clone, 20, 19);
2458 $LINK_MAP->insert ($exit->clone, 20, 21);
2459 $LINK_MAP->insert ($exit->clone, 21, 19);
2460 $LINK_MAP->insert ($exit->clone, 21, 20);
2461 $LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463 $exit->destroy;
2464 });
2465
2466 $LINK_MAP->{deny_save} = 1;
2467 $LINK_MAP->{deny_reset} = 1;
2468
2469 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470}
2471
2472register "<global>", __PACKAGE__;
2473 2464
2474register_command "reload" => sub { 2465register_command "reload" => sub {
2475 my ($who, $arg) = @_; 2466 my ($who, $arg) = @_;
2476 2467
2477 if ($who->flag (FLAG_WIZ)) { 2468 if ($who->flag (FLAG_WIZ)) {
2478 $who->message ("start of reload."); 2469 $who->message ("reloading server.");
2470
2471 # doing reload synchronously and two reloads happen back-to-back,
2472 # coro crashes during coro_state_free->destroy here.
2473
2474 $RELOAD_WATCHER ||= Event->timer (
2475 reentrant => 0,
2476 after => 0,
2477 data => WF_AUTOCANCEL,
2478 cb => sub {
2479 reload; 2479 reload;
2480 $who->message ("end of reload."); 2480 undef $RELOAD_WATCHER;
2481 },
2482 );
2481 } 2483 }
2482}; 2484};
2483 2485
2484unshift @INC, $LIBDIR; 2486unshift @INC, $LIBDIR;
2487
2488my $bug_warning = 0;
2485 2489
2486$TICK_WATCHER = Event->timer ( 2490$TICK_WATCHER = Event->timer (
2487 reentrant => 0, 2491 reentrant => 0,
2492 parked => 1,
2488 prio => 0, 2493 prio => 0,
2489 at => $NEXT_TICK || $TICK, 2494 at => $NEXT_TICK || $TICK,
2490 data => WF_AUTOCANCEL, 2495 data => WF_AUTOCANCEL,
2491 cb => sub { 2496 cb => sub {
2497 if ($Coro::current != $Coro::main) {
2498 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499 unless ++$bug_warning > 10;
2500 return;
2501 }
2502
2503 $NOW = Event::time;
2504
2492 cf::server_tick; # one server iteration 2505 cf::server_tick; # one server iteration
2493 $RUNTIME += $TICK; 2506 $RUNTIME += $TICK;
2494 $NEXT_TICK += $TICK; 2507 $NEXT_TICK += $TICK;
2495 2508
2496 $WAIT_FOR_TICK->broadcast; 2509 $WAIT_FOR_TICK->broadcast;
2497 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2510 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2511
2512 Event::sweep;
2513 Coro::cede_notself;
2514
2515# my $AFTER = Event::time;
2516# warn $AFTER - $NOW;#d#
2498 2517
2499 # if we are delayed by four ticks or more, skip them all 2518 # if we are delayed by four ticks or more, skip them all
2500 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2519 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501 2520
2502 $TICK_WATCHER->at ($NEXT_TICK); 2521 $TICK_WATCHER->at ($NEXT_TICK);
2503 $TICK_WATCHER->start; 2522 $TICK_WATCHER->start;
2504 }, 2523 },
2505); 2524);
2506 2525
2507IO::AIO::max_poll_time $TICK * 0.2; 2526IO::AIO::max_poll_time $TICK * 0.1;
2508 2527
2509Event->io ( 2528undef $Coro::AIO::WATCHER;
2529$AIO_POLL_WATCHER = Event->io (
2530 reentrant => 0,
2510 fd => IO::AIO::poll_fileno, 2531 fd => IO::AIO::poll_fileno,
2511 poll => 'r', 2532 poll => 'r',
2512 prio => 5, 2533 prio => 6,
2513 data => WF_AUTOCANCEL, 2534 data => WF_AUTOCANCEL,
2514 cb => \&IO::AIO::poll_cb, 2535 cb => \&IO::AIO::poll_cb,
2515); 2536);
2516 2537
2517Event->timer ( 2538$WRITE_RUNTIME_WATCHER = Event->timer (
2539 reentrant => 0,
2518 data => WF_AUTOCANCEL, 2540 data => WF_AUTOCANCEL,
2519 after => 0, 2541 after => 1,
2520 interval => 10, 2542 interval => 10,
2521 cb => sub { 2543 prio => 6, # keep it lowest so it acts like a watchdog
2522 (Coro::unblock_sub { 2544 cb => Coro::unblock_sub {
2523 write_runtime 2545 write_runtime
2524 or warn "ERROR: unable to write runtime file: $!"; 2546 or warn "ERROR: unable to write runtime file: $!";
2525 })->();
2526 }, 2547 },
2527); 2548);
2528 2549
2529END { cf::emergency_save } 2550END { cf::emergency_save }
2530 2551

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