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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.194 by root, Wed Jan 24 22:42:49 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 $EMERGENCY_POSITION;
81 87
82############################################################################# 88#############################################################################
83 89
84=head2 GLOBAL VARIABLES 90=head2 GLOBAL VARIABLES
… …
156} 162}
157 163
158$Event::DIED = sub { 164$Event::DIED = sub {
159 warn "error in event callback: @_"; 165 warn "error in event callback: @_";
160}; 166};
161
162my %ext_pkg;
163my @exts;
164my @hook;
165 167
166=head2 UTILITY FUNCTIONS 168=head2 UTILITY FUNCTIONS
167 169
168=over 4 170=over 4
169 171
… …
257} 259}
258 260
259sub freeze_mainloop { 261sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 262 return unless $TICK_WATCHER->is_active;
261 263
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 264 my $guard = Coro::guard {
265 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 };
268 $WRITE_RUNTIME_WATCHER->stop;
263 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
264 $guard 270 $guard
265} 271}
266 272
267=item cf::async { BLOCK } 273=item cf::async { BLOCK }
… …
319 } 325 }
320} 326}
321 327
322=item $coro = cf::async_ext { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
323 329
324Like async, but this coro is automcatially being canceled when the 330Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 331extension calling this is being unloaded.
326 332
327=cut 333=cut
328 334
329sub async_ext(&) { 335sub async_ext(&) {
… …
343 my $runtime = cf::localdir . "/runtime"; 349 my $runtime = cf::localdir . "/runtime";
344 350
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346 or return; 352 or return;
347 353
354 my $value = $cf::RUNTIME + 90 + 10;
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 355 # 10 is the runtime save interval, for a monotonic clock
356 # 60 allows for the watchdog to kill the server.
357
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0 358 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return; 359 and return;
351 360
352 aio_fsync $fh 361 aio_fsync $fh
353 and return; 362 and return;
… …
362} 371}
363 372
364=back 373=back
365 374
366=cut 375=cut
367
368#############################################################################
369
370package cf::path;
371
372# used to convert map paths into valid unix filenames by repalcing / by ∕
373our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375sub new {
376 my ($class, $path, $base) = @_;
377
378 $path = $path->as_string if ref $path;
379
380 my $self = bless { }, $class;
381
382 # {... are special paths that are not touched
383 # ?xxx/... are special absolute paths
384 # ?random/... random maps
385 # /! non-realised random map exit
386 # /... normal maps
387 # ~/... per-player maps without a specific player (DO NOT USE)
388 # ~user/... per-player map of a specific user
389
390 if ($path =~ /^{/) {
391 # fine as it is
392 } elsif ($path =~ s{^\?random/}{}) {
393 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394 $self->{random} = cf::from_json $data;
395 } else {
396 if ($path =~ s{^~([^/]+)?}{}) {
397 $self->{user_rel} = 1;
398
399 if (defined $1) {
400 $self->{user} = $1;
401 } elsif ($base =~ m{^~([^/]+)/}) {
402 $self->{user} = $1;
403 } else {
404 warn "cannot resolve user-relative path without user <$path,$base>\n";
405 }
406 } elsif ($path =~ /^\//) {
407 # already absolute
408 } else {
409 $base =~ s{[^/]+/?$}{};
410 return $class->new ("$base/$path");
411 }
412
413 for ($path) {
414 redo if s{/\.?/}{/};
415 redo if s{/[^/]+/\.\./}{/};
416 }
417 }
418
419 $self->{path} = $path;
420
421 $self
422}
423
424# the name / primary key / in-game path
425sub as_string {
426 my ($self) = @_;
427
428 $self->{user_rel} ? "~$self->{user}$self->{path}"
429 : $self->{random} ? "?random/$self->{path}"
430 : $self->{path}
431}
432
433# the displayed name, this is a one way mapping
434sub visible_name {
435 my ($self) = @_;
436
437# if (my $rmp = $self->{random}) {
438# # todo: be more intelligent about this
439# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440# } else {
441 $self->as_string
442# }
443}
444
445# escape the /'s in the path
446sub _escaped_path {
447 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448 $path
449}
450
451# the original (read-only) location
452sub load_path {
453 my ($self) = @_;
454
455 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456}
457
458# the temporary/swap location
459sub save_path {
460 my ($self) = @_;
461
462 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465}
466
467# the unique path, might be eq to save_path
468sub uniq_path {
469 my ($self) = @_;
470
471 $self->{user_rel} || $self->{random}
472 ? undef
473 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474}
475
476# return random map parameters, or undef
477sub random_map_params {
478 my ($self) = @_;
479
480 $self->{random}
481}
482
483# this is somewhat ugly, but style maps do need special treatment
484sub is_style_map {
485 $_[0]{path} =~ m{^/styles/}
486}
487
488package cf;
489 376
490############################################################################# 377#############################################################################
491 378
492=head2 ATTACHABLE OBJECTS 379=head2 ATTACHABLE OBJECTS
493 380
… …
619our @CB_TYPE = (); # registry for type (cf-object class) based events 506our @CB_TYPE = (); # registry for type (cf-object class) based events
620our @CB_MAP = (); 507our @CB_MAP = ();
621 508
622my %attachment; 509my %attachment;
623 510
511sub cf::attachable::thawer_merge {
512 # simply override everything except _meta
513 local $_[0]{_meta};
514 %{$_[0]} = %{$_[1]};
515}
516
624sub _attach_cb($$$$) { 517sub _attach_cb($$$$) {
625 my ($registry, $event, $prio, $cb) = @_; 518 my ($registry, $event, $prio, $cb) = @_;
626 519
627 use sort 'stable'; 520 use sort 'stable';
628 521
… …
799# object support 692# object support
800 693
801sub reattach { 694sub reattach {
802 # basically do the same as instantiate, without calling instantiate 695 # basically do the same as instantiate, without calling instantiate
803 my ($obj) = @_; 696 my ($obj) = @_;
697
698 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804 699
805 my $registry = $obj->registry; 700 my $registry = $obj->registry;
806 701
807 @$registry = (); 702 @$registry = ();
808 703
… …
940=cut 835=cut
941 836
942sub register_extcmd { 837sub register_extcmd {
943 my ($name, $cb) = @_; 838 my ($name, $cb) = @_;
944 839
945 my $caller = caller;
946 #warn "registering extcmd '$name' to '$caller'";
947
948 $EXTCMD{$name} = [$cb, $caller]; 840 $EXTCMD{$name} = $cb;
949} 841}
950 842
951cf::player->attach ( 843cf::player->attach (
952 on_command => sub { 844 on_command => sub {
953 my ($pl, $name, $params) = @_; 845 my ($pl, $name, $params) = @_;
… …
966 858
967 my $msg = eval { from_json $buf }; 859 my $msg = eval { from_json $buf };
968 860
969 if (ref $msg) { 861 if (ref $msg) {
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 862 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971 if (my %reply = $cb->[0]->($pl, $msg)) { 863 if (my %reply = $cb->($pl, $msg)) {
972 $pl->ext_reply ($msg->{msgid}, %reply); 864 $pl->ext_reply ($msg->{msgid}, %reply);
973 } 865 }
974 } 866 }
975 } else { 867 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 868 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
… …
978 870
979 cf::override; 871 cf::override;
980 }, 872 },
981); 873);
982 874
983sub register {
984 my ($base, $pkg) = @_;
985
986 #TODO
987}
988
989sub load_extension { 875sub load_extension {
990 my ($path) = @_; 876 my ($path) = @_;
991 877
992 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 878 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
993 my $base = $1; 879 my $base = $1;
994 my $pkg = $1; 880 my $pkg = $1;
995 $pkg =~ s/[^[:word:]]/_/g; 881 $pkg =~ s/[^[:word:]]/_/g;
996 $pkg = "ext::$pkg"; 882 $pkg = "ext::$pkg";
997 883
998 warn "loading '$path' into '$pkg'\n"; 884 warn "... loading '$path' into '$pkg'\n";
999 885
1000 open my $fh, "<:utf8", $path 886 open my $fh, "<:utf8", $path
1001 or die "$path: $!"; 887 or die "$path: $!";
1002 888
1003 my $source = 889 my $source =
1004 "package $pkg; use strict; use utf8;\n" 890 "package $pkg; use strict; use utf8;\n"
1005 . "#line 1 \"$path\"\n{\n" 891 . "#line 1 \"$path\"\n{\n"
1006 . (do { local $/; <$fh> }) 892 . (do { local $/; <$fh> })
1007 . "\n};\n1"; 893 . "\n};\n1";
1008 894
1009 eval $source 895 unless (eval $source) {
1010 or die $@ ? "$path: $@\n" 896 my $msg = $@ ? "$path: $@\n"
1011 : "extension disabled.\n"; 897 : "extension disabled.\n";
1012 898 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013 push @exts, $pkg; 899 warn $@;
1014 $ext_pkg{$base} = $pkg; 900 warn "mandatory extension failed to load, exiting.\n";
1015 901 exit 1;
1016# no strict 'refs'; 902 }
1017# @{"$pkg\::ISA"} = ext::; 903 die $@;
1018
1019 register $base, $pkg;
1020}
1021
1022sub unload_extension {
1023 my ($pkg) = @_;
1024
1025 warn "removing extension $pkg\n";
1026
1027 # remove hooks
1028 #TODO
1029# for my $idx (0 .. $#PLUGIN_EVENT) {
1030# delete $hook[$idx]{$pkg};
1031# } 904 }
1032 905
1033 # remove commands 906 push @EXTS, $pkg;
1034 for my $name (keys %COMMAND) {
1035 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037 if (@cb) {
1038 $COMMAND{$name} = \@cb;
1039 } else {
1040 delete $COMMAND{$name};
1041 }
1042 }
1043
1044 # remove extcmds
1045 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046 delete $EXTCMD{$name};
1047 }
1048
1049 if (my $cb = $pkg->can ("unload")) {
1050 eval {
1051 $cb->($pkg);
1052 1
1053 } or warn "$pkg unloaded, but with errors: $@";
1054 }
1055
1056 Symbol::delete_package $pkg;
1057} 907}
1058 908
1059sub load_extensions { 909sub load_extensions {
1060 for my $ext (<$LIBDIR/*.ext>) { 910 for my $ext (<$LIBDIR/*.ext>) {
1061 next unless -r $ext; 911 next unless -r $ext;
… …
1065 } or warn "$ext not loaded: $@"; 915 } or warn "$ext not loaded: $@";
1066 } 916 }
1067} 917}
1068 918
1069############################################################################# 919#############################################################################
1070# load/save/clean perl data associated with a map
1071
1072*cf::mapsupport::on_clean = sub {
1073 my ($map) = @_;
1074
1075 my $path = $map->tmpname;
1076 defined $path or return;
1077
1078 unlink "$path.pst";
1079};
1080
1081cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083#############################################################################
1084 920
1085=head2 CORE EXTENSIONS 921=head2 CORE EXTENSIONS
1086 922
1087Functions and methods that extend core crossfire objects. 923Functions and methods that extend core crossfire objects.
1088 924
… …
1124 960
1125sub exists($) { 961sub exists($) {
1126 my ($login) = @_; 962 my ($login) = @_;
1127 963
1128 $cf::PLAYER{$login} 964 $cf::PLAYER{$login}
1129 or cf::sync_job { !aio_stat $login } 965 or cf::sync_job { !aio_stat path $login }
1130} 966}
1131 967
1132sub find($) { 968sub find($) {
1133 return $cf::PLAYER{$_[0]} || do { 969 return $cf::PLAYER{$_[0]} || do {
1134 my $login = $_[0]; 970 my $login = $_[0];
… …
1224 \@logins 1060 \@logins
1225} 1061}
1226 1062
1227=item $player->maps 1063=item $player->maps
1228 1064
1229Returns an arrayref of cf::path's of all maps that are private for this 1065Returns an arrayref of map paths that are private for this
1230player. May block. 1066player. May block.
1231 1067
1232=cut 1068=cut
1233 1069
1234sub maps($) { 1070sub maps($) {
… …
1240 my @paths; 1076 my @paths;
1241 1077
1242 for (@$files) { 1078 for (@$files) {
1243 utf8::decode $_; 1079 utf8::decode $_;
1244 next if /\.(?:pl|pst)$/; 1080 next if /\.(?:pl|pst)$/;
1245 next unless /^$PATH_SEP/; 1081 next unless /^$PATH_SEP/o;
1246 1082
1247 s/$PATH_SEP/\//g; 1083 s/\.map$//;
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1249 } 1085 }
1250 1086
1251 \@paths 1087 \@paths
1252} 1088}
1253 1089
… …
1279package cf::map; 1115package cf::map;
1280 1116
1281use Fcntl; 1117use Fcntl;
1282use Coro::AIO; 1118use Coro::AIO;
1283 1119
1120use overload
1121 '""' => \&as_string,
1122 fallback => 1;
1123
1284our $MAX_RESET = 3600; 1124our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1125our $DEFAULT_RESET = 3000;
1286 1126
1287sub generate_random_map { 1127sub generate_random_map {
1288 my ($path, $rmp) = @_; 1128 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1129 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1130 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1134 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1135 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1136 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1137 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1138 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1139 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (cf::region::find $rmp->{region}) 1141 (cf::region::find $rmp->{region}), $rmp->{custom}
1142 )
1143}
1144
1145=item cf::map->register ($regex, $prio)
1146
1147Register a handler for the map path matching the given regex at the
1148givne priority (higher is better, built-in handlers have priority 0, the
1149default).
1150
1151=cut
1152
1153sub register {
1154 my (undef, $regex, $prio) = @_;
1155 my $pkg = caller;
1156
1157 no strict;
1158 push @{"$pkg\::ISA"}, __PACKAGE__;
1159
1160 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161}
1162
1163# also paths starting with '/'
1164$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1165
1166sub thawer_merge {
1167 my ($self, $merge) = @_;
1168
1169 # we have to keep some variables in memory intact
1170 local $self->{path};
1171 local $self->{load_path};
1172 local $self->{deny_save};
1173 local $self->{deny_reset};
1174
1175 $self->SUPER::thawer_merge ($merge);
1176}
1177
1178sub normalise {
1179 my ($path, $base) = @_;
1180
1181 $path = "$path"; # make sure its a string
1182
1183 # map plan:
1184 #
1185 # /! non-realised random map exit (special hack!)
1186 # {... are special paths that are not being touched
1187 # ?xxx/... are special absolute paths
1188 # ?random/... random maps
1189 # /... normal maps
1190 # ~user/... per-player map of a specific user
1191
1192 $path =~ s/$PATH_SEP/\//go;
1193
1194 # treat it as relative path if it starts with
1195 # something that looks reasonable
1196 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1197 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1198
1199 $base =~ s{[^/]+/?$}{};
1200 $path = "$base/$path";
1201 }
1202
1203 for ($path) {
1204 redo if s{//}{/};
1205 redo if s{/\.?/}{/};
1206 redo if s{/[^/]+/\.\./}{/};
1207 }
1208
1209 $path
1210}
1211
1212sub new_from_path {
1213 my (undef, $path, $base) = @_;
1214
1215 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1216
1217 $path = normalise $path, $base;
1218
1219 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1220 if ($path =~ $EXT_MAP{$pkg}[1]) {
1221 my $self = bless cf::map::new, $pkg;
1222 $self->{path} = $path; $self->path ($path);
1223 $self->init; # pass $1 etc.
1224 return $self;
1225 }
1226 }
1227
1228 Carp::carp "unable to resolve path '$path' (base '$base').";
1229 ()
1230}
1231
1232sub init {
1233 my ($self) = @_;
1234
1235 $self
1236}
1237
1238sub as_string {
1239 my ($self) = @_;
1240
1241 "$self->{path}"
1242}
1243
1244# the displayed name, this is a one way mapping
1245sub visible_name {
1246 &as_string
1247}
1248
1249# the original (read-only) location
1250sub load_path {
1251 my ($self) = @_;
1252
1253 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1254}
1255
1256# the temporary/swap location
1257sub save_path {
1258 my ($self) = @_;
1259
1260 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1262}
1263
1264# the unique path, undef == no special unique path
1265sub uniq_path {
1266 my ($self) = @_;
1267
1268 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304} 1270}
1305 1271
1306# and all this just because we cannot iterate over 1272# and all this just because we cannot iterate over
1307# all maps in C++... 1273# all maps in C++...
1308sub change_all_map_light { 1274sub change_all_map_light {
… …
1310 1276
1311 $_->change_map_light ($change) 1277 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1278 for grep $_->outdoor, values %cf::MAP;
1313} 1279}
1314 1280
1281sub unlink_save {
1282 my ($self) = @_;
1283
1284 utf8::encode (my $save = $self->save_path);
1285 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1286 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1287}
1288
1315sub try_load_header($) { 1289sub load_header_from($) {
1316 my ($path) = @_; 1290 my ($self, $path) = @_;
1317 1291
1318 utf8::encode $path; 1292 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1293 aio_open $path, O_RDONLY, 0
1320 or return; 1294 or return;
1321 1295
1322 my $map = cf::map::new 1296 $self->_load_header ($path)
1323 or return; 1297 or return;
1324 1298
1325 # for better error messages only, will be overwritten 1299 $self->{load_path} = $path;
1326 $map->path ($path);
1327 1300
1328 $map->load_header ($path) 1301 1
1302}
1303
1304sub load_header_orig {
1305 my ($self) = @_;
1306
1307 $self->load_header_from ($self->load_path)
1308}
1309
1310sub load_header_temp {
1311 my ($self) = @_;
1312
1313 $self->load_header_from ($self->save_path)
1314}
1315
1316sub prepare_temp {
1317 my ($self) = @_;
1318
1319 $self->last_access ((delete $self->{last_access})
1320 || $cf::RUNTIME); #d#
1321 # safety
1322 $self->{instantiate_time} = $cf::RUNTIME
1323 if $self->{instantiate_time} > $cf::RUNTIME;
1324}
1325
1326sub prepare_orig {
1327 my ($self) = @_;
1328
1329 $self->{load_original} = 1;
1330 $self->{instantiate_time} = $cf::RUNTIME;
1331 $self->last_access ($cf::RUNTIME);
1332 $self->instantiate;
1333}
1334
1335sub load_header {
1336 my ($self) = @_;
1337
1338 if ($self->load_header_temp) {
1339 $self->prepare_temp;
1340 } else {
1341 $self->load_header_orig
1329 or return; 1342 or return;
1343 $self->prepare_orig;
1344 }
1330 1345
1331 $map->{load_path} = $path; 1346 1
1332
1333 $map
1334} 1347}
1335 1348
1336sub find; 1349sub find;
1337sub find { 1350sub find {
1338 my ($path, $origin) = @_; 1351 my ($path, $origin) = @_;
1339 1352
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1353 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1354
1345 cf::lock_wait "map_find:$key"; 1355 cf::lock_wait "map_find:$path";
1346 1356
1347 $cf::MAP{$key} || do { 1357 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1358 my $guard = cf::lock_acquire "map_find:$path";
1349 1359 my $map = new_from_path cf::map $path
1350 # do it the slow way
1351 my $map = try_load_header $path->save_path;
1352
1353 Coro::cede;
1354
1355 if ($map) {
1356 $map->last_access ((delete $map->{last_access})
1357 || $cf::RUNTIME); #d#
1358 # safety
1359 $map->{instantiate_time} = $cf::RUNTIME
1360 if $map->{instantiate_time} > $cf::RUNTIME;
1361 } else {
1362 if (my $rmp = $path->random_map_params) {
1363 $map = generate_random_map $key, $rmp;
1364 } else {
1365 $map = try_load_header $path->load_path;
1366 }
1367
1368 $map or return; 1360 or return;
1369 1361
1370 $map->{load_original} = 1;
1371 $map->{instantiate_time} = $cf::RUNTIME;
1372 $map->last_access ($cf::RUNTIME);
1373 $map->instantiate;
1374
1375 # per-player maps become, after loading, normal maps
1376 $map->per_player (0) if $path->{user_rel};
1377 }
1378
1379 $map->path ($key);
1380 $map->{path} = $path;
1381 $map->{last_save} = $cf::RUNTIME; 1362 $map->{last_save} = $cf::RUNTIME;
1382 1363
1383 Coro::cede; 1364 $map->load_header
1365 or return;
1384 1366
1385 if ($map->should_reset) { 1367 if ($map->should_reset) {
1368 # doing this can freeze the server in a sync job, obviously
1369 #$cf::WAIT_FOR_TICK->wait;
1386 $map->reset; 1370 $map->reset;
1387 undef $guard; 1371 undef $guard;
1388 $map = find $path 1372 return find $path;
1389 or return;
1390 } 1373 }
1391 1374
1392 $cf::MAP{$key} = $map 1375 $cf::MAP{$path} = $map
1393 } 1376 }
1394} 1377}
1378
1379sub pre_load { }
1380sub post_load { }
1395 1381
1396sub load { 1382sub load {
1397 my ($self) = @_; 1383 my ($self) = @_;
1398 1384
1399 my $path = $self->{path}; 1385 my $path = $self->{path};
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1386 my $guard = cf::lock_acquire "map_load:$path";
1401 1387
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1388 return if $self->in_memory != cf::MAP_SWAPPED;
1403 1389
1404 $self->in_memory (cf::MAP_LOADING); 1390 $self->in_memory (cf::MAP_LOADING);
1405 1391
1406 $self->alloc; 1392 $self->alloc;
1393
1394 $self->pre_load;
1395
1407 $self->load_objects ($self->{load_path}, 1) 1396 $self->_load_objects ($self->{load_path}, 1)
1408 or return; 1397 or return;
1409 1398
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1399 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1400 if delete $self->{load_original};
1412 1401
1413 if (my $uniq = $path->uniq_path) { 1402 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1403 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1404 if (aio_open $uniq, O_RDONLY, 0) {
1416 $self->clear_unique_items; 1405 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1406 $self->_load_objects ($uniq, 0);
1418 } 1407 }
1419 } 1408 }
1420 1409
1421 Coro::cede; 1410 Coro::cede;
1422 1411
1423 # now do the right thing for maps 1412 # now do the right thing for maps
1424 $self->link_multipart_objects; 1413 $self->link_multipart_objects;
1425 1414
1426 if ($self->{path}->is_style_map) { 1415 unless ($self->{deny_activate}) {
1427 $self->{deny_save} = 1; 1416 $self->decay_objects;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply; 1417 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons; 1418 $self->update_buttons;
1419 Coro::cede;
1433 $self->set_darkness_map; 1420 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 1421 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1422 unless $self->difficulty;
1423 Coro::cede;
1436 $self->activate; 1424 $self->activate;
1437 } 1425 }
1438 1426
1439 Coro::cede; 1427 $self->post_load;
1440 1428
1441 $self->in_memory (cf::MAP_IN_MEMORY); 1429 $self->in_memory (cf::MAP_IN_MEMORY);
1430}
1431
1432sub customise_for {
1433 my ($self, $ob) = @_;
1434
1435 return find "~" . $ob->name . "/" . $self->{path}
1436 if $self->per_player;
1437
1438 $self
1442} 1439}
1443 1440
1444# find and load all maps in the 3x3 area around a map 1441# find and load all maps in the 3x3 area around a map
1445sub load_diag { 1442sub load_diag {
1446 my ($map) = @_; 1443 my ($map) = @_;
… …
1476 1473
1477 cf::sync_job { $map->load }; 1474 cf::sync_job { $map->load };
1478} 1475}
1479 1476
1480our %MAP_PREFETCH; 1477our %MAP_PREFETCH;
1481our $MAP_PREFETCHER = Coro::async { 1478our $MAP_PREFETCHER = undef;
1482 while () {
1483 while (%MAP_PREFETCH) {
1484 my $key = each %MAP_PREFETCH
1485 or next;
1486 my $path = delete $MAP_PREFETCH{$key};
1487
1488 my $map = find $path
1489 or next;
1490 $map->load;
1491 }
1492 Coro::schedule;
1493 }
1494};
1495 1479
1496sub find_async { 1480sub find_async {
1497 my ($path, $origin) = @_; 1481 my ($path, $origin) = @_;
1498 1482
1499 $path = new cf::path $path, $origin && $origin->path; 1483 $path = normalise $path, $origin && $origin->{path};
1500 my $key = $path->as_string;
1501 1484
1502 if (my $map = $cf::MAP{$key}) { 1485 if (my $map = $cf::MAP{$path}) {
1503 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1486 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504 } 1487 }
1505 1488
1506 $MAP_PREFETCH{$key} = $path; 1489 undef $MAP_PREFETCH{$path};
1490 $MAP_PREFETCHER ||= cf::async {
1491 while (%MAP_PREFETCH) {
1492 for my $path (keys %MAP_PREFETCH) {
1493 my $map = find $path
1494 or next;
1495 $map->load;
1496
1497 delete $MAP_PREFETCH{$path};
1498 }
1499 }
1500 undef $MAP_PREFETCHER;
1501 };
1507 $MAP_PREFETCHER->ready; 1502 $MAP_PREFETCHER->prio (6);
1508 1503
1509 () 1504 ()
1510} 1505}
1511 1506
1512sub save { 1507sub save {
… …
1516 1511
1517 $self->{last_save} = $cf::RUNTIME; 1512 $self->{last_save} = $cf::RUNTIME;
1518 1513
1519 return unless $self->dirty; 1514 return unless $self->dirty;
1520 1515
1521 my $save = $self->{path}->save_path; utf8::encode $save; 1516 my $save = $self->save_path; utf8::encode $save;
1522 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1517 my $uniq = $self->uniq_path; utf8::encode $uniq;
1523 1518
1524 $self->{load_path} = $save; 1519 $self->{load_path} = $save;
1525 1520
1526 return if $self->{deny_save}; 1521 return if $self->{deny_save};
1527 1522
… …
1530 cf::async { 1525 cf::async {
1531 $_->contr->save for $self->players; 1526 $_->contr->save for $self->players;
1532 }; 1527 };
1533 1528
1534 if ($uniq) { 1529 if ($uniq) {
1535 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1530 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->save_objects ($uniq, cf::IO_UNIQUES); 1531 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 1532 } else {
1538 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1533 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539 } 1534 }
1540} 1535}
1541 1536
1542sub swap_out { 1537sub swap_out {
1543 my ($self) = @_; 1538 my ($self) = @_;
… …
1557 1552
1558sub reset_at { 1553sub reset_at {
1559 my ($self) = @_; 1554 my ($self) = @_;
1560 1555
1561 # TODO: safety, remove and allow resettable per-player maps 1556 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->{path}{user_rel}; 1557 return 1e99 if $self->isa ("ext::map_per_player");#d#
1563 return 1e99 if $self->{deny_reset}; 1558 return 1e99 if $self->{deny_reset};
1564 1559
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1560 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1561 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567 1562
… …
1572 my ($self) = @_; 1567 my ($self) = @_;
1573 1568
1574 $self->reset_at <= $cf::RUNTIME 1569 $self->reset_at <= $cf::RUNTIME
1575} 1570}
1576 1571
1577sub unlink_save {
1578 my ($self) = @_;
1579
1580 utf8::encode (my $save = $self->{path}->save_path);
1581 aioreq_pri 3; IO::AIO::aio_unlink $save;
1582 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583}
1584
1585sub rename {
1586 my ($self, $new_path) = @_;
1587
1588 $self->unlink_save;
1589
1590 delete $cf::MAP{$self->path};
1591 $self->{path} = new cf::path $new_path;
1592 $self->path ($self->{path}->as_string);
1593 $cf::MAP{$self->path} = $self;
1594
1595 $self->save;
1596}
1597
1598sub reset { 1572sub reset {
1599 my ($self) = @_; 1573 my ($self) = @_;
1600 1574
1601 my $lock = cf::lock_acquire "map_data:" . $self->path; 1575 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 1576
1603 return if $self->players; 1577 return if $self->players;
1604 return if $self->{path}{user_rel};#d# 1578 return if $self->isa ("ext::map_per_player");#d#
1605 1579
1606 warn "resetting map ", $self->path;#d# 1580 warn "resetting map ", $self->path;#d#
1607 1581
1608 delete $cf::MAP{$self->path}; 1582 delete $cf::MAP{$self->path};
1583
1584 $self->in_memory (cf::MAP_SWAPPED);
1585 $self->clear;
1609 1586
1610 $_->clear_links_to ($self) for values %cf::MAP; 1587 $_->clear_links_to ($self) for values %cf::MAP;
1611 1588
1612 $self->unlink_save; 1589 $self->unlink_save;
1613 $self->destroy; 1590 $self->destroy;
… …
1616my $nuke_counter = "aaaa"; 1593my $nuke_counter = "aaaa";
1617 1594
1618sub nuke { 1595sub nuke {
1619 my ($self) = @_; 1596 my ($self) = @_;
1620 1597
1598 delete $cf::MAP{$self->path};
1599
1600 $self->unlink_save;
1601
1602 bless $self, "cf::map";
1603 delete $self->{deny_reset};
1621 $self->{deny_save} = 1; 1604 $self->{deny_save} = 1;
1622 $self->reset_timeout (1); 1605 $self->reset_timeout (1);
1623 $self->rename ("{nuke}/" . ($nuke_counter++)); 1606 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607
1608 $cf::MAP{$self->path} = $self;
1609
1624 $self->reset; # polite request, might not happen 1610 $self->reset; # polite request, might not happen
1625} 1611}
1626 1612
1627sub customise_for { 1613=item cf::map::unique_maps
1628 my ($map, $ob) = @_;
1629 1614
1630 if ($map->per_player) { 1615Returns an arrayref of paths of all shared maps that have
1631 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1616instantiated unique items. May block.
1632 }
1633 1617
1634 $map 1618=cut
1619
1620sub unique_maps() {
1621 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1622 or return;
1623
1624 my @paths;
1625
1626 for (@$files) {
1627 utf8::decode $_;
1628 next if /\.pst$/;
1629 next unless /^$PATH_SEP/o;
1630
1631 s/\.map$//;
1632 push @paths, $_;
1633 }
1634
1635 \@paths
1635} 1636}
1636 1637
1637package cf; 1638package cf;
1638 1639
1639=back 1640=back
… …
1711 1712
1712=item $player_object->enter_link 1713=item $player_object->enter_link
1713 1714
1714Freezes the player and moves him/her to a special map (C<{link}>). 1715Freezes the player and moves him/her to a special map (C<{link}>).
1715 1716
1716The player should be reaosnably safe there for short amounts of time. You 1717The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 1718I<MUST> call C<leave_link> as soon as possible, though.
1718 1719
1720Will never block.
1721
1719=item $player_object->leave_link ($map, $x, $y) 1722=item $player_object->leave_link ($map, $x, $y)
1720 1723
1721Moves the player out of the specila link map onto the given map. If the 1724Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 1725map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 1726to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 1727fails, to the emergency map position.
1725 1728
1726Might block. 1729Might block.
1727 1730
1728=cut 1731=cut
1732
1733sub link_map {
1734 unless ($LINK_MAP) {
1735 $LINK_MAP = cf::map::find "{link}"
1736 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1737 $LINK_MAP->load;
1738 }
1739
1740 $LINK_MAP
1741}
1729 1742
1730sub cf::object::player::enter_link { 1743sub cf::object::player::enter_link {
1731 my ($self) = @_; 1744 my ($self) = @_;
1732 1745
1733 $self->deactivate_recursive; 1746 $self->deactivate_recursive;
1734 1747
1735 return if $self->map == $LINK_MAP; 1748 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1749
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1750 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1751 if $self->map;
1739 1752
1740 $self->enter_map ($LINK_MAP, 20, 20); 1753 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 1754}
1742 1755
1743sub cf::object::player::leave_link { 1756sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1757 my ($self, $map, $x, $y) = @_;
1745 1758
… …
1809=cut 1822=cut
1810 1823
1811sub cf::object::player::goto { 1824sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1825 my ($self, $path, $x, $y) = @_;
1813 1826
1814 $path = new cf::path $path;
1815 $path ne "/" or Carp::cluck ("oy");#d#
1816
1817 $self->enter_link; 1827 $self->enter_link;
1818 1828
1819 (async { 1829 (async {
1820 my $map = cf::map::find $path->as_string; 1830 my $map = cf::map::find $path;
1821 $map = $map->customise_for ($self) if $map; 1831 $map = $map->customise_for ($self) if $map;
1822 1832
1823# warn "entering ", $map->path, " at ($x, $y)\n" 1833# warn "entering ", $map->path, " at ($x, $y)\n"
1824# if $map; 1834# if $map;
1825 1835
… …
1835 1845
1836sub parse_random_map_params { 1846sub parse_random_map_params {
1837 my ($spec) = @_; 1847 my ($spec) = @_;
1838 1848
1839 my $rmp = { # defaults 1849 my $rmp = { # defaults
1840 xsize => 10, 1850 xsize => (cf::rndm 15, 40),
1841 ysize => 10, 1851 ysize => (cf::rndm 15, 40),
1852 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1853 #layout => string,
1842 }; 1854 };
1843 1855
1844 for (split /\n/, $spec) { 1856 for (split /\n/, $spec) {
1845 my ($k, $v) = split /\s+/, $_, 2; 1857 my ($k, $v) = split /\s+/, $_, 2;
1846 1858
… …
1850 $rmp 1862 $rmp
1851} 1863}
1852 1864
1853sub prepare_random_map { 1865sub prepare_random_map {
1854 my ($exit) = @_; 1866 my ($exit) = @_;
1867
1868 my $guard = cf::lock_acquire "exit_prepare:$exit";
1855 1869
1856 # all this does is basically replace the /! path by 1870 # all this does is basically replace the /! path by
1857 # a new random map path (?random/...) with a seed 1871 # a new random map path (?random/...) with a seed
1858 # that depends on the exit object 1872 # that depends on the exit object
1859 1873
… …
1868 1882
1869 $rmp->{random_seed} ||= $exit->random_seed; 1883 $rmp->{random_seed} ||= $exit->random_seed;
1870 1884
1871 my $data = cf::to_json $rmp; 1885 my $data = cf::to_json $rmp;
1872 my $md5 = Digest::MD5::md5_hex $data; 1886 my $md5 = Digest::MD5::md5_hex $data;
1887 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873 1888
1874 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1889 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875 aio_write $fh, 0, (length $data), $data, 0; 1890 aio_write $fh, 0, (length $data), $data, 0;
1891 undef $fh;
1892 aio_rename "$meta~", $meta;
1876 1893
1877 $exit->slaying ("?random/$md5"); 1894 $exit->slaying ("?random/$md5");
1878 $exit->msg (undef); 1895 $exit->msg (undef);
1879 } 1896 }
1880} 1897}
… …
1890 $self->deactivate_recursive; # just to be sure 1907 $self->deactivate_recursive; # just to be sure
1891 unless (eval { 1908 unless (eval {
1892 prepare_random_map $exit 1909 prepare_random_map $exit
1893 if $exit->slaying eq "/!"; 1910 if $exit->slaying eq "/!";
1894 1911
1895 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1912 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1896 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1913 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897 1914
1898 1; 1915 1;
1899 }) { 1916 }) {
1900 $self->message ("Something went wrong deep within the crossfire server. " 1917 $self->message ("Something went wrong deep within the crossfire server. "
1901 . "I'll try to bring you back to the map you were before. " 1918 . "I'll try to bring you back to the map you were before. "
1902 . "Please report this to the dungeon master", 1919 . "Please report this to the dungeon master!",
1903 cf::NDI_UNIQUE | cf::NDI_RED); 1920 cf::NDI_UNIQUE | cf::NDI_RED);
1904 1921
1905 warn "ERROR in enter_exit: $@"; 1922 warn "ERROR in enter_exit: $@";
1906 $self->leave_link; 1923 $self->leave_link;
1907 } 1924 }
… …
2190 sub db_sync() { 2207 sub db_sync() {
2191 db_save if $dirty; 2208 db_save if $dirty;
2192 undef $dirty; 2209 undef $dirty;
2193 } 2210 }
2194 2211
2195 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2212 my $idle = Event->idle (
2196 db_sync; 2213 reentrant => 0,
2214 min => 10,
2215 max => 20,
2216 repeat => 0,
2217 data => WF_AUTOCANCEL,
2218 cb => \&db_sync,
2197 }); 2219 );
2198 2220
2199 sub db_dirty() { 2221 sub db_dirty() {
2200 $dirty = 1; 2222 $dirty = 1;
2201 $idle->start; 2223 $idle->start;
2202 } 2224 }
… …
2250 2272
2251sub main { 2273sub main {
2252 # we must not ever block the main coroutine 2274 # we must not ever block the main coroutine
2253 local $Coro::idle = sub { 2275 local $Coro::idle = sub {
2254 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2276 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2277 (async {
2255 async { Event::one_event }; 2278 Event::one_event;
2279 })->prio (Coro::PRIO_MAX);
2256 }; 2280 };
2257 2281
2258 cfg_load; 2282 cfg_load;
2259 db_load; 2283 db_load;
2260 load_extensions; 2284 load_extensions;
2285
2286 $TICK_WATCHER->start;
2261 Event::loop; 2287 Event::loop;
2262} 2288}
2263 2289
2264############################################################################# 2290#############################################################################
2265# initialisation and cleanup 2291# initialisation and cleanup
2266 2292
2267# install some emergency cleanup handlers 2293# install some emergency cleanup handlers
2268BEGIN { 2294BEGIN {
2269 for my $signal (qw(INT HUP TERM)) { 2295 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 2296 Event->signal (
2297 reentrant => 0,
2271 data => WF_AUTOCANCEL, 2298 data => WF_AUTOCANCEL,
2272 signal => $signal, 2299 signal => $signal,
2300 prio => 0,
2273 cb => sub { 2301 cb => sub {
2274 cf::cleanup "SIG$signal"; 2302 cf::cleanup "SIG$signal";
2275 }, 2303 },
2276 ); 2304 );
2277 } 2305 }
2278} 2306}
… …
2283 warn "enter emergency perl save\n"; 2311 warn "enter emergency perl save\n";
2284 2312
2285 cf::sync_job { 2313 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl 2314 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 2315 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/Destroyed asynchronously. 2316 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 2317 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) { 2318 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 2319 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 2320 $pl->valid or next;
2293 $pl->save; 2321 $pl->save;
… …
2307} 2335}
2308 2336
2309sub reload() { 2337sub reload() {
2310 # can/must only be called in main 2338 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 2339 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine\n"; 2340 warn "can only reload from main coroutine";
2313 return; 2341 return;
2314 } 2342 }
2315 2343
2316 warn "reloading..."; 2344 warn "reloading...";
2317 2345
2318 my $guard = freeze_mainloop; 2346 warn "cancelling server ticker";
2347 $TICK_WATCHER->cancel;
2348
2319 cf::emergency_save; 2349 cf::emergency_save;
2320 2350
2321 eval { 2351 eval {
2322 # if anything goes wrong in here, we should simply crash as we already saved 2352 # if anything goes wrong in here, we should simply crash as we already saved
2323 2353
2324 # cancel all watchers 2354 warn "syncing database to disk";
2355 cf::db_sync;
2356
2357 warn "cancelling all WF_AUTOCANCEL watchers";
2325 for (Event::all_watchers) { 2358 for (Event::all_watchers) {
2326 $_->cancel if $_->data & WF_AUTOCANCEL; 2359 $_->cancel if $_->data & WF_AUTOCANCEL;
2327 } 2360 }
2328 2361
2362 warn "flushing outstanding aio requests";
2363 for (;;) {
2364 IO::AIO::flush;
2365 Coro::cede;
2366 last unless IO::AIO::nreqs;
2367 warn "iterate...";
2368 }
2369
2329 # cancel all extension coros 2370 warn "cancelling all extension coros";
2330 $_->cancel for values %EXT_CORO; 2371 $_->cancel for values %EXT_CORO;
2331 %EXT_CORO = (); 2372 %EXT_CORO = ();
2332 2373
2333 # unload all extensions 2374 warn "removing commands";
2334 for (@exts) { 2375 %COMMAND = ();
2376
2377 warn "removing ext commands";
2378 %EXTCMD = ();
2379
2380 warn "unloading/nuking all extensions";
2381 for my $pkg (@EXTS) {
2335 warn "unloading <$_>"; 2382 warn "... unloading $pkg";
2336 unload_extension $_; 2383
2384 if (my $cb = $pkg->can ("unload")) {
2385 eval {
2386 $cb->($pkg);
2387 1
2388 } or warn "$pkg unloaded, but with errors: $@";
2337 } 2389 }
2338 2390
2391 warn "... nuking $pkg";
2392 Symbol::delete_package $pkg;
2393 }
2394
2339 # unload all modules loaded from $LIBDIR 2395 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 2396 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2397 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 2398
2343 warn "removing <$k>"; 2399 warn "... unloading $k";
2344 delete $INC{$k}; 2400 delete $INC{$k};
2345 2401
2346 $k =~ s/\.pm$//; 2402 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 2403 $k =~ s/\//::/g;
2348 2404
… …
2351 } 2407 }
2352 2408
2353 Symbol::delete_package $k; 2409 Symbol::delete_package $k;
2354 } 2410 }
2355 2411
2356 # sync database to disk
2357 cf::db_sync;
2358 IO::AIO::flush;
2359
2360 # get rid of safe::, as good as possible 2412 warn "getting rid of safe::, as good as possible";
2361 Symbol::delete_package "safe::$_" 2413 Symbol::delete_package "safe::$_"
2362 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2414 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363 2415
2364 # remove register_script_function callbacks
2365 # TODO
2366
2367 # unload cf.pm "a bit" 2416 warn "unloading cf.pm \"a bit\"";
2368 delete $INC{"cf.pm"}; 2417 delete $INC{"cf.pm"};
2369 2418
2370 # don't, removes xs symbols, too, 2419 # don't, removes xs symbols, too,
2371 # and global variables created in xs 2420 # and global variables created in xs
2372 #Symbol::delete_package __PACKAGE__; 2421 #Symbol::delete_package __PACKAGE__;
2373 2422
2374 # reload cf.pm 2423 warn "unload completed, starting to reload now";
2424
2375 warn "reloading cf.pm"; 2425 warn "reloading cf.pm";
2376 require cf; 2426 require cf;
2377 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2427 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378 2428
2379 # load config and database again 2429 warn "loading config and database again";
2380 cf::cfg_load; 2430 cf::cfg_load;
2381 cf::db_load; 2431 cf::db_load;
2382 2432
2383 # load extensions
2384 warn "load extensions"; 2433 warn "loading extensions";
2385 cf::load_extensions; 2434 cf::load_extensions;
2386 2435
2387 # reattach attachments to objects 2436 warn "reattaching attachments to objects/players";
2388 warn "reattach";
2389 _global_reattach; 2437 _global_reattach;
2438 warn "reattaching attachments to maps";
2390 reattach $_ for values %MAP; 2439 reattach $_ for values %MAP;
2440
2441 warn "restarting server ticker";
2442
2443 $TICK_WATCHER->start;
2391 }; 2444 };
2392 2445
2393 if ($@) { 2446 if ($@) {
2394 warn $@; 2447 warn $@;
2395 warn "error while reloading, exiting."; 2448 warn "error while reloading, exiting.";
2396 exit 1; 2449 exit 1;
2397 } 2450 }
2398 2451
2399 warn "reloaded successfully"; 2452 warn "reloaded";
2400}; 2453};
2401 2454
2402############################################################################# 2455our $RELOAD_WATCHER; # used only during reload
2403
2404unless ($LINK_MAP) {
2405 $LINK_MAP = cf::map::new;
2406
2407 $LINK_MAP->width (41);
2408 $LINK_MAP->height (41);
2409 $LINK_MAP->alloc;
2410 $LINK_MAP->path ("{link}");
2411 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414 # dirty hack because... archetypes are not yet loaded
2415 Event->timer (
2416 after => 10,
2417 cb => sub {
2418 $_[0]->w->cancel;
2419
2420 # provide some exits "home"
2421 my $exit = cf::object::new "exit";
2422
2423 $exit->slaying ($EMERGENCY_POSITION->[0]);
2424 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427 $LINK_MAP->insert ($exit->clone, 19, 19);
2428 $LINK_MAP->insert ($exit->clone, 19, 20);
2429 $LINK_MAP->insert ($exit->clone, 19, 21);
2430 $LINK_MAP->insert ($exit->clone, 20, 19);
2431 $LINK_MAP->insert ($exit->clone, 20, 21);
2432 $LINK_MAP->insert ($exit->clone, 21, 19);
2433 $LINK_MAP->insert ($exit->clone, 21, 20);
2434 $LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436 $exit->destroy;
2437 });
2438
2439 $LINK_MAP->{deny_save} = 1;
2440 $LINK_MAP->{deny_reset} = 1;
2441
2442 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443}
2444
2445register "<global>", __PACKAGE__;
2446 2456
2447register_command "reload" => sub { 2457register_command "reload" => sub {
2448 my ($who, $arg) = @_; 2458 my ($who, $arg) = @_;
2449 2459
2450 if ($who->flag (FLAG_WIZ)) { 2460 if ($who->flag (FLAG_WIZ)) {
2451 $who->message ("start of reload."); 2461 $who->message ("reloading server.");
2462
2463 # doing reload synchronously and two reloads happen back-to-back,
2464 # coro crashes during coro_state_free->destroy here.
2465
2466 $RELOAD_WATCHER ||= Event->timer (
2467 reentrant => 0,
2468 after => 0,
2469 data => WF_AUTOCANCEL,
2470 cb => sub {
2452 reload; 2471 reload;
2453 $who->message ("end of reload."); 2472 undef $RELOAD_WATCHER;
2473 },
2474 );
2454 } 2475 }
2455}; 2476};
2456 2477
2457unshift @INC, $LIBDIR; 2478unshift @INC, $LIBDIR;
2479
2480my $bug_warning = 0;
2458 2481
2459$TICK_WATCHER = Event->timer ( 2482$TICK_WATCHER = Event->timer (
2460 reentrant => 0, 2483 reentrant => 0,
2484 parked => 1,
2461 prio => 0, 2485 prio => 0,
2462 at => $NEXT_TICK || $TICK, 2486 at => $NEXT_TICK || $TICK,
2463 data => WF_AUTOCANCEL, 2487 data => WF_AUTOCANCEL,
2464 cb => sub { 2488 cb => sub {
2489 if ($Coro::current != $Coro::main) {
2490 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491 unless ++$bug_warning > 10;
2492 return;
2493 }
2494
2495 $NOW = Event::time;
2496
2465 cf::server_tick; # one server iteration 2497 cf::server_tick; # one server iteration
2466 $RUNTIME += $TICK; 2498 $RUNTIME += $TICK;
2467 $NEXT_TICK += $TICK; 2499 $NEXT_TICK += $TICK;
2468 2500
2469 $WAIT_FOR_TICK->broadcast; 2501 $WAIT_FOR_TICK->broadcast;
2470 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2502 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2503
2504 Event::sweep;
2505 Coro::cede_notself;
2506
2507# my $AFTER = Event::time;
2508# warn $AFTER - $NOW;#d#
2471 2509
2472 # if we are delayed by four ticks or more, skip them all 2510 # if we are delayed by four ticks or more, skip them all
2473 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2511 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474 2512
2475 $TICK_WATCHER->at ($NEXT_TICK); 2513 $TICK_WATCHER->at ($NEXT_TICK);
2476 $TICK_WATCHER->start; 2514 $TICK_WATCHER->start;
2477 }, 2515 },
2478); 2516);
2479 2517
2480IO::AIO::max_poll_time $TICK * 0.2; 2518IO::AIO::max_poll_time $TICK * 0.1;
2481 2519
2482Event->io ( 2520undef $Coro::AIO::WATCHER;
2521$AIO_POLL_WATCHER = Event->io (
2522 reentrant => 0,
2483 fd => IO::AIO::poll_fileno, 2523 fd => IO::AIO::poll_fileno,
2484 poll => 'r', 2524 poll => 'r',
2485 prio => 5, 2525 prio => 6,
2486 data => WF_AUTOCANCEL, 2526 data => WF_AUTOCANCEL,
2487 cb => \&IO::AIO::poll_cb, 2527 cb => \&IO::AIO::poll_cb,
2488); 2528);
2489 2529
2490Event->timer ( 2530$WRITE_RUNTIME_WATCHER = Event->timer (
2531 reentrant => 0,
2491 data => WF_AUTOCANCEL, 2532 data => WF_AUTOCANCEL,
2492 after => 0, 2533 after => 1,
2493 interval => 10, 2534 interval => 10,
2494 cb => sub { 2535 prio => 6, # keep it lowest so it acts like a watchdog
2495 (Coro::unblock_sub { 2536 cb => Coro::unblock_sub {
2496 write_runtime 2537 write_runtime
2497 or warn "ERROR: unable to write runtime file: $!"; 2538 or warn "ERROR: unable to write runtime file: $!";
2498 })->();
2499 }, 2539 },
2500); 2540);
2501 2541
2502END { cf::emergency_save } 2542END { cf::emergency_save }
2503 2543

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