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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 1.186 by root, Sat Jan 20 01:12:39 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 3.4 ();
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
1145sub register {
1146 my (undef, $regex) = @_;
1147 my $pkg = caller;
1148
1149 no strict;
1150 push @{"$pkg\::ISA"}, __PACKAGE__;
1151
1152 $EXT_MAP{$pkg} = qr<$regex>;
1153}
1154
1155# also paths starting with '/'
1156$EXT_MAP{"cf::map"} = qr{^(?=/)};
1157
1158sub thawer_merge {
1159 my ($self, $merge) = @_;
1160
1161 # we have to keep some variables in memory intact
1162 local $self->{path};
1163 local $self->{load_path};
1164 local $self->{deny_save};
1165 local $self->{deny_reset};
1166
1167 $self->SUPER::thawer_merge ($merge);
1168}
1169
1170sub normalise {
1171 my ($path, $base) = @_;
1172
1173 # map plan:
1174 #
1175 # /! non-realised random map exit (special hack!)
1176 # {... are special paths that are not being touched
1177 # ?xxx/... are special absolute paths
1178 # ?random/... random maps
1179 # /... normal maps
1180 # ~user/... per-player map of a specific user
1181
1182 $path =~ s/$PATH_SEP/\//go;
1183
1184 # treat it as relative path if it starts with
1185 # something that looks reasonable
1186 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1187 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1188
1189 $base =~ s{[^/]+/?$}{};
1190 $path = "$base/$path";
1191 }
1192
1193 for ($path) {
1194 redo if s{//}{/};
1195 redo if s{/\.?/}{/};
1196 redo if s{/[^/]+/\.\./}{/};
1197 }
1198
1199 $path
1200}
1201
1202sub new_from_path {
1203 my (undef, $path, $base) = @_;
1204
1205 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206
1207 $path = normalise $path, $base;
1208
1209 for my $pkg (keys %EXT_MAP) {
1210 if ($path =~ $EXT_MAP{$pkg}) {
1211 my $self = bless cf::map::new, $pkg;
1212 $self->{path} = $path; $self->path ($path);
1213 $self->init; # pass $1 etc.
1214 return $self;
1215 }
1216 }
1217
1218 Carp::carp "unable to resolve path '$path'.";
1219 ()
1220}
1221
1222sub init {
1223 my ($self) = @_;
1224
1225 $self
1226}
1227
1228sub as_string {
1229 my ($self) = @_;
1230
1231 "$self->{path}"
1232}
1233
1234# the displayed name, this is a one way mapping
1235sub visible_name {
1236 &as_string
1237}
1238
1239# the original (read-only) location
1240sub load_path {
1241 my ($self) = @_;
1242
1243 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1244}
1245
1246# the temporary/swap location
1247sub save_path {
1248 my ($self) = @_;
1249
1250 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1251 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1252}
1253
1254# the unique path, undef == no special unique path
1255sub uniq_path {
1256 my ($self) = @_;
1257
1258 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304} 1260}
1305 1261
1306# and all this just because we cannot iterate over 1262# and all this just because we cannot iterate over
1307# all maps in C++... 1263# all maps in C++...
1308sub change_all_map_light { 1264sub change_all_map_light {
… …
1310 1266
1311 $_->change_map_light ($change) 1267 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1268 for grep $_->outdoor, values %cf::MAP;
1313} 1269}
1314 1270
1271sub unlink_save {
1272 my ($self) = @_;
1273
1274 utf8::encode (my $save = $self->save_path);
1275 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1276 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1277}
1278
1315sub try_load_header($) { 1279sub load_header_from($) {
1316 my ($path) = @_; 1280 my ($self, $path) = @_;
1317 1281
1318 utf8::encode $path; 1282 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1283 aio_open $path, O_RDONLY, 0
1320 or return; 1284 or return;
1321 1285
1322 my $map = cf::map::new 1286 $self->_load_header ($path)
1323 or return; 1287 or return;
1324 1288
1325 # for better error messages only, will be overwritten 1289 $self->{load_path} = $path;
1326 $map->path ($path);
1327 1290
1328 $map->load_header ($path) 1291 1
1292}
1293
1294sub load_orig {
1295 my ($self) = @_;
1296
1297 $self->load_header_from ($self->load_path)
1298}
1299
1300sub load_temp {
1301 my ($self) = @_;
1302
1303 $self->load_header_from ($self->save_path)
1304}
1305
1306sub load_header {
1307 my ($self) = @_;
1308
1309 if ($self->load_temp) {
1310 $self->last_access ((delete $self->{last_access})
1311 || $cf::RUNTIME); #d#
1312 # safety
1313 $self->{instantiate_time} = $cf::RUNTIME
1314 if $self->{instantiate_time} > $cf::RUNTIME;
1315 } else {
1316 $self->load_orig
1329 or return; 1317 or return;
1330 1318
1331 $map->{load_path} = $path; 1319 $self->{load_original} = 1;
1320 $self->{instantiate_time} = $cf::RUNTIME;
1321 $self->last_access ($cf::RUNTIME);
1322 $self->instantiate;
1323 }
1332 1324
1333 $map 1325 1
1334} 1326}
1335 1327
1336sub find; 1328sub find;
1337sub find { 1329sub find {
1338 my ($path, $origin) = @_; 1330 my ($path, $origin) = @_;
1339 1331
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1332 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1333
1345 cf::lock_wait "map_find:$key"; 1334 cf::lock_wait "map_find:$path";
1346 1335
1347 $cf::MAP{$key} || do { 1336 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1337 my $guard = cf::lock_acquire "map_find:$path";
1349 1338 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; 1339 or return;
1369 1340
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; 1341 $map->{last_save} = $cf::RUNTIME;
1382 1342
1383 Coro::cede; 1343 $map->load_header
1344 or return;
1384 1345
1385 if ($map->should_reset) { 1346 if ($map->should_reset) {
1347 # doing this can freeze the server in a sync job, obviously
1348 #$cf::WAIT_FOR_TICK->wait;
1386 $map->reset; 1349 $map->reset;
1387 undef $guard; 1350 undef $guard;
1388 $map = find $path 1351 $map = find $path
1389 or return; 1352 or return;
1390 } 1353 }
1391 1354
1392 $cf::MAP{$key} = $map 1355 $cf::MAP{$path} = $map
1393 } 1356 }
1394} 1357}
1395 1358
1396sub load { 1359sub load {
1397 my ($self) = @_; 1360 my ($self) = @_;
1398 1361
1399 my $path = $self->{path}; 1362 my $path = $self->{path};
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1363 my $guard = cf::lock_acquire "map_load:$path";
1401 1364
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1365 return if $self->in_memory != cf::MAP_SWAPPED;
1403 1366
1404 $self->in_memory (cf::MAP_LOADING); 1367 $self->in_memory (cf::MAP_LOADING);
1405 1368
1406 $self->alloc; 1369 $self->alloc;
1407 $self->load_objects ($self->{load_path}, 1) 1370 $self->_load_objects ($self->{load_path}, 1)
1408 or return; 1371 or return;
1409 1372
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1373 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1374 if delete $self->{load_original};
1412 1375
1413 if (my $uniq = $path->uniq_path) { 1376 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1377 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1378 if (aio_open $uniq, O_RDONLY, 0) {
1416 $self->clear_unique_items; 1379 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1380 $self->_load_objects ($uniq, 0);
1418 } 1381 }
1419 } 1382 }
1420 1383
1421 Coro::cede; 1384 Coro::cede;
1422 1385
1423 # now do the right thing for maps 1386 # now do the right thing for maps
1424 $self->link_multipart_objects; 1387 $self->link_multipart_objects;
1425 1388
1426 if ($self->{path}->is_style_map) { 1389 unless ($self->{deny_activate}) {
1427 $self->{deny_save} = 1; 1390 $self->decay_objects;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply; 1391 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons; 1392 $self->update_buttons;
1393 Coro::cede;
1433 $self->set_darkness_map; 1394 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 1395 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1396 unless $self->difficulty;
1397 Coro::cede;
1436 $self->activate; 1398 $self->activate;
1437 } 1399 }
1438 1400
1439 Coro::cede;
1440
1441 $self->in_memory (cf::MAP_IN_MEMORY); 1401 $self->in_memory (cf::MAP_IN_MEMORY);
1402}
1403
1404sub customise_for {
1405 my ($self, $ob) = @_;
1406
1407 return find "~" . $ob->name . "/" . $self->{path}
1408 if $self->per_player;
1409
1410 $self
1442} 1411}
1443 1412
1444# find and load all maps in the 3x3 area around a map 1413# find and load all maps in the 3x3 area around a map
1445sub load_diag { 1414sub load_diag {
1446 my ($map) = @_; 1415 my ($map) = @_;
… …
1476 1445
1477 cf::sync_job { $map->load }; 1446 cf::sync_job { $map->load };
1478} 1447}
1479 1448
1480our %MAP_PREFETCH; 1449our %MAP_PREFETCH;
1481our $MAP_PREFETCHER = Coro::async { 1450our $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 $map->load;
1491 }
1492 Coro::schedule;
1493 }
1494};
1495 1451
1496sub find_async { 1452sub find_async {
1497 my ($path, $origin) = @_; 1453 my ($path, $origin) = @_;
1498 1454
1499 $path = new cf::path $path, $origin && $origin->path; 1455 $path = normalise $path, $origin && $origin->{path};
1500 my $key = $path->as_string;
1501 1456
1502 if (my $map = $cf::MAP{$key}) { 1457 if (my $map = $cf::MAP{$path}) {
1503 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1458 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504 } 1459 }
1505 1460
1506 $MAP_PREFETCH{$key} = $path; 1461 undef $MAP_PREFETCH{$path};
1507 $MAP_PREFETCHER->ready; 1462 $MAP_PREFETCHER ||= cf::async {
1463 while (%MAP_PREFETCH) {
1464 for my $path (keys %MAP_PREFETCH) {
1465 my $map = find $path
1466 or next;
1467 $map->load;
1468
1469 delete $MAP_PREFETCH{$path};
1470 }
1471 }
1472 undef $MAP_PREFETCHER;
1473 };
1508 1474
1509 () 1475 ()
1510} 1476}
1511 1477
1512sub save { 1478sub save {
… …
1516 1482
1517 $self->{last_save} = $cf::RUNTIME; 1483 $self->{last_save} = $cf::RUNTIME;
1518 1484
1519 return unless $self->dirty; 1485 return unless $self->dirty;
1520 1486
1521 my $save = $self->{path}->save_path; utf8::encode $save; 1487 my $save = $self->save_path; utf8::encode $save;
1522 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1488 my $uniq = $self->uniq_path; utf8::encode $uniq;
1523 1489
1524 $self->{load_path} = $save; 1490 $self->{load_path} = $save;
1525 1491
1526 return if $self->{deny_save}; 1492 return if $self->{deny_save};
1527 1493
… …
1530 cf::async { 1496 cf::async {
1531 $_->contr->save for $self->players; 1497 $_->contr->save for $self->players;
1532 }; 1498 };
1533 1499
1534 if ($uniq) { 1500 if ($uniq) {
1535 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1501 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->save_objects ($uniq, cf::IO_UNIQUES); 1502 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 1503 } else {
1538 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1504 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539 } 1505 }
1540} 1506}
1541 1507
1542sub swap_out { 1508sub swap_out {
1543 my ($self) = @_; 1509 my ($self) = @_;
… …
1557 1523
1558sub reset_at { 1524sub reset_at {
1559 my ($self) = @_; 1525 my ($self) = @_;
1560 1526
1561 # TODO: safety, remove and allow resettable per-player maps 1527 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->{path}{user_rel}; 1528 return 1e99 if $self->isa ("ext::map_per_player");#d#
1563 return 1e99 if $self->{deny_reset}; 1529 return 1e99 if $self->{deny_reset};
1564 1530
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1531 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1532 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567 1533
… …
1572 my ($self) = @_; 1538 my ($self) = @_;
1573 1539
1574 $self->reset_at <= $cf::RUNTIME 1540 $self->reset_at <= $cf::RUNTIME
1575} 1541}
1576 1542
1577sub unlink_save {
1578 my ($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 $self->save;
1596}
1597
1598sub reset { 1543sub reset {
1599 my ($self) = @_; 1544 my ($self) = @_;
1600 1545
1601 my $lock = cf::lock_acquire "map_data:" . $self->path; 1546 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 1547
1603 return if $self->players; 1548 return if $self->players;
1604 return if $self->{path}{user_rel};#d# 1549 return if $self->isa ("ext::map_per_player");#d#
1605 1550
1606 warn "resetting map ", $self->path;#d# 1551 warn "resetting map ", $self->path;#d#
1607 1552
1608 delete $cf::MAP{$self->path}; 1553 delete $cf::MAP{$self->path};
1554
1555 $self->in_memory (cf::MAP_SWAPPED);
1556 $self->clear;
1609 1557
1610 $_->clear_links_to ($self) for values %cf::MAP; 1558 $_->clear_links_to ($self) for values %cf::MAP;
1611 1559
1612 $self->unlink_save; 1560 $self->unlink_save;
1613 $self->destroy; 1561 $self->destroy;
… …
1616my $nuke_counter = "aaaa"; 1564my $nuke_counter = "aaaa";
1617 1565
1618sub nuke { 1566sub nuke {
1619 my ($self) = @_; 1567 my ($self) = @_;
1620 1568
1569 delete $cf::MAP{$self->path};
1570
1571 $self->unlink_save;
1572
1573 bless $self, "cf::map";
1574 delete $self->{deny_reset};
1621 $self->{deny_save} = 1; 1575 $self->{deny_save} = 1;
1622 $self->reset_timeout (1); 1576 $self->reset_timeout (1);
1623 $self->rename ("{nuke}/" . ($nuke_counter++)); 1577 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578
1579 $cf::MAP{$self->path} = $self;
1580
1624 $self->reset; # polite request, might not happen 1581 $self->reset; # polite request, might not happen
1625} 1582}
1626 1583
1627sub customise_for { 1584=item cf::map::unique_maps
1628 my ($map, $ob) = @_;
1629 1585
1630 if ($map->per_player) { 1586Returns an arrayref of paths of all shared maps that have
1631 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1587instantiated unique items. May block.
1632 }
1633 1588
1634 $map 1589=cut
1590
1591sub unique_maps() {
1592 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1593 or return;
1594
1595 my @paths;
1596
1597 for (@$files) {
1598 utf8::decode $_;
1599 next if /\.pst$/;
1600 next unless /^$PATH_SEP/o;
1601
1602 s/\.map$//;
1603 push @paths, $_;
1604 }
1605
1606 \@paths
1635} 1607}
1636 1608
1637package cf; 1609package cf;
1638 1610
1639=back 1611=back
… …
1711 1683
1712=item $player_object->enter_link 1684=item $player_object->enter_link
1713 1685
1714Freezes the player and moves him/her to a special map (C<{link}>). 1686Freezes the player and moves him/her to a special map (C<{link}>).
1715 1687
1716The player should be reaosnably safe there for short amounts of time. You 1688The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 1689I<MUST> call C<leave_link> as soon as possible, though.
1718 1690
1691Will never block.
1692
1719=item $player_object->leave_link ($map, $x, $y) 1693=item $player_object->leave_link ($map, $x, $y)
1720 1694
1721Moves the player out of the specila link map onto the given map. If the 1695Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 1696map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 1697to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 1698fails, to the emergency map position.
1725 1699
1726Might block. 1700Might block.
1727 1701
1728=cut 1702=cut
1703
1704sub link_map {
1705 unless ($LINK_MAP) {
1706 $LINK_MAP = cf::map::find "{link}"
1707 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1708 $LINK_MAP->load;
1709 }
1710
1711 $LINK_MAP
1712}
1729 1713
1730sub cf::object::player::enter_link { 1714sub cf::object::player::enter_link {
1731 my ($self) = @_; 1715 my ($self) = @_;
1732 1716
1733 $self->deactivate_recursive; 1717 $self->deactivate_recursive;
1734 1718
1735 return if $self->map == $LINK_MAP; 1719 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1720
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1721 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1722 if $self->map;
1739 1723
1740 $self->enter_map ($LINK_MAP, 20, 20); 1724 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1741} 1725}
1742 1726
1743sub cf::object::player::leave_link { 1727sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1728 my ($self, $map, $x, $y) = @_;
1745 1729
… …
1809=cut 1793=cut
1810 1794
1811sub cf::object::player::goto { 1795sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1796 my ($self, $path, $x, $y) = @_;
1813 1797
1814 $path = new cf::path $path;
1815 $path ne "/" or Carp::cluck ("oy");#d#
1816
1817 $self->enter_link; 1798 $self->enter_link;
1818 1799
1819 (async { 1800 (async {
1820 my $map = cf::map::find $path->as_string; 1801 my $map = cf::map::find $path;
1821 $map = $map->customise_for ($self) if $map; 1802 $map = $map->customise_for ($self) if $map;
1822 1803
1823# warn "entering ", $map->path, " at ($x, $y)\n" 1804# warn "entering ", $map->path, " at ($x, $y)\n"
1824# if $map; 1805# if $map;
1825 1806
… …
1835 1816
1836sub parse_random_map_params { 1817sub parse_random_map_params {
1837 my ($spec) = @_; 1818 my ($spec) = @_;
1838 1819
1839 my $rmp = { # defaults 1820 my $rmp = { # defaults
1840 xsize => 10, 1821 xsize => (cf::rndm 15, 40),
1841 ysize => 10, 1822 ysize => (cf::rndm 15, 40),
1823 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1824 #layout => string,
1842 }; 1825 };
1843 1826
1844 for (split /\n/, $spec) { 1827 for (split /\n/, $spec) {
1845 my ($k, $v) = split /\s+/, $_, 2; 1828 my ($k, $v) = split /\s+/, $_, 2;
1846 1829
… …
1850 $rmp 1833 $rmp
1851} 1834}
1852 1835
1853sub prepare_random_map { 1836sub prepare_random_map {
1854 my ($exit) = @_; 1837 my ($exit) = @_;
1838
1839 my $guard = cf::lock_acquire "exit_prepare:$exit";
1855 1840
1856 # all this does is basically replace the /! path by 1841 # all this does is basically replace the /! path by
1857 # a new random map path (?random/...) with a seed 1842 # a new random map path (?random/...) with a seed
1858 # that depends on the exit object 1843 # that depends on the exit object
1859 1844
… …
1868 1853
1869 $rmp->{random_seed} ||= $exit->random_seed; 1854 $rmp->{random_seed} ||= $exit->random_seed;
1870 1855
1871 my $data = cf::to_json $rmp; 1856 my $data = cf::to_json $rmp;
1872 my $md5 = Digest::MD5::md5_hex $data; 1857 my $md5 = Digest::MD5::md5_hex $data;
1858 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873 1859
1874 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1860 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875 aio_write $fh, 0, (length $data), $data, 0; 1861 aio_write $fh, 0, (length $data), $data, 0;
1862 undef $fh;
1863 aio_rename "$meta~", $meta;
1876 1864
1877 $exit->slaying ("?random/$md5"); 1865 $exit->slaying ("?random/$md5");
1878 $exit->msg (undef); 1866 $exit->msg (undef);
1879 } 1867 }
1880} 1868}
… …
1890 $self->deactivate_recursive; # just to be sure 1878 $self->deactivate_recursive; # just to be sure
1891 unless (eval { 1879 unless (eval {
1892 prepare_random_map $exit 1880 prepare_random_map $exit
1893 if $exit->slaying eq "/!"; 1881 if $exit->slaying eq "/!";
1894 1882
1895 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1883 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1896 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1884 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897 1885
1898 1; 1886 1;
1899 }) { 1887 }) {
1900 $self->message ("Something went wrong deep within the crossfire server. " 1888 $self->message ("Something went wrong deep within the crossfire server. "
1901 . "I'll try to bring you back to the map you were before. " 1889 . "I'll try to bring you back to the map you were before. "
1902 . "Please report this to the dungeon master", 1890 . "Please report this to the dungeon master!",
1903 cf::NDI_UNIQUE | cf::NDI_RED); 1891 cf::NDI_UNIQUE | cf::NDI_RED);
1904 1892
1905 warn "ERROR in enter_exit: $@"; 1893 warn "ERROR in enter_exit: $@";
1906 $self->leave_link; 1894 $self->leave_link;
1907 } 1895 }
… …
2190 sub db_sync() { 2178 sub db_sync() {
2191 db_save if $dirty; 2179 db_save if $dirty;
2192 undef $dirty; 2180 undef $dirty;
2193 } 2181 }
2194 2182
2195 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2183 my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196 db_sync; 2184 db_sync;
2197 }); 2185 });
2198 2186
2199 sub db_dirty() { 2187 sub db_dirty() {
2200 $dirty = 1; 2188 $dirty = 1;
… …
2250 2238
2251sub main { 2239sub main {
2252 # we must not ever block the main coroutine 2240 # we must not ever block the main coroutine
2253 local $Coro::idle = sub { 2241 local $Coro::idle = sub {
2254 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2242 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2243 (async {
2255 async { Event::one_event }; 2244 Event::one_event;
2245 })->prio (Coro::PRIO_MAX);
2256 }; 2246 };
2257 2247
2258 cfg_load; 2248 cfg_load;
2259 db_load; 2249 db_load;
2260 load_extensions; 2250 load_extensions;
2251
2252 $TICK_WATCHER->start;
2261 Event::loop; 2253 Event::loop;
2262} 2254}
2263 2255
2264############################################################################# 2256#############################################################################
2265# initialisation and cleanup 2257# initialisation and cleanup
… …
2283 warn "enter emergency perl save\n"; 2275 warn "enter emergency perl save\n";
2284 2276
2285 cf::sync_job { 2277 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl 2278 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 2279 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/Destroyed asynchronously. 2280 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 2281 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) { 2282 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 2283 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 2284 $pl->valid or next;
2293 $pl->save; 2285 $pl->save;
… …
2307} 2299}
2308 2300
2309sub reload() { 2301sub reload() {
2310 # can/must only be called in main 2302 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 2303 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine\n"; 2304 warn "can only reload from main coroutine";
2313 return; 2305 return;
2314 } 2306 }
2315 2307
2316 warn "reloading..."; 2308 warn "reloading...";
2317 2309
2318 my $guard = freeze_mainloop; 2310 warn "cancelling server ticker";
2311 $TICK_WATCHER->cancel;
2312
2319 cf::emergency_save; 2313 cf::emergency_save;
2320 2314
2321 eval { 2315 eval {
2322 # if anything goes wrong in here, we should simply crash as we already saved 2316 # if anything goes wrong in here, we should simply crash as we already saved
2323 2317
2324 # cancel all watchers 2318 warn "syncing database to disk";
2319 cf::db_sync;
2320
2321 warn "cancelling all WF_AUTOCANCEL watchers";
2325 for (Event::all_watchers) { 2322 for (Event::all_watchers) {
2326 $_->cancel if $_->data & WF_AUTOCANCEL; 2323 $_->cancel if $_->data & WF_AUTOCANCEL;
2327 } 2324 }
2328 2325
2326 warn "flushing outstanding aio requests";
2327 for (;;) {
2328 IO::AIO::flush;
2329 Coro::cede;
2330 last unless IO::AIO::nreqs;
2331 warn "iterate...";
2332 }
2333
2329 # cancel all extension coros 2334 warn "cancelling all extension coros";
2330 $_->cancel for values %EXT_CORO; 2335 $_->cancel for values %EXT_CORO;
2331 %EXT_CORO = (); 2336 %EXT_CORO = ();
2332 2337
2333 # unload all extensions 2338 warn "removing commands";
2334 for (@exts) { 2339 %COMMAND = ();
2340
2341 warn "removing ext commands";
2342 %EXTCMD = ();
2343
2344 warn "unloading/nuking all extensions";
2345 for my $pkg (@EXTS) {
2335 warn "unloading <$_>"; 2346 warn "... unloading $pkg";
2336 unload_extension $_; 2347
2348 if (my $cb = $pkg->can ("unload")) {
2349 eval {
2350 $cb->($pkg);
2351 1
2352 } or warn "$pkg unloaded, but with errors: $@";
2337 } 2353 }
2338 2354
2355 warn "... nuking $pkg";
2356 Symbol::delete_package $pkg;
2357 }
2358
2339 # unload all modules loaded from $LIBDIR 2359 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 2360 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2361 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 2362
2343 warn "removing <$k>"; 2363 warn "... unloading $k";
2344 delete $INC{$k}; 2364 delete $INC{$k};
2345 2365
2346 $k =~ s/\.pm$//; 2366 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 2367 $k =~ s/\//::/g;
2348 2368
… …
2351 } 2371 }
2352 2372
2353 Symbol::delete_package $k; 2373 Symbol::delete_package $k;
2354 } 2374 }
2355 2375
2356 # sync database to disk
2357 cf::db_sync;
2358 IO::AIO::flush;
2359
2360 # get rid of safe::, as good as possible 2376 warn "getting rid of safe::, as good as possible";
2361 Symbol::delete_package "safe::$_" 2377 Symbol::delete_package "safe::$_"
2362 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2378 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363 2379
2364 # remove register_script_function callbacks
2365 # TODO
2366
2367 # unload cf.pm "a bit" 2380 warn "unloading cf.pm \"a bit\"";
2368 delete $INC{"cf.pm"}; 2381 delete $INC{"cf.pm"};
2369 2382
2370 # don't, removes xs symbols, too, 2383 # don't, removes xs symbols, too,
2371 # and global variables created in xs 2384 # and global variables created in xs
2372 #Symbol::delete_package __PACKAGE__; 2385 #Symbol::delete_package __PACKAGE__;
2373 2386
2374 # reload cf.pm 2387 warn "unload completed, starting to reload now";
2388
2375 warn "reloading cf.pm"; 2389 warn "reloading cf.pm";
2376 require cf; 2390 require cf;
2377 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2391 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378 2392
2379 # load config and database again 2393 warn "loading config and database again";
2380 cf::cfg_load; 2394 cf::cfg_load;
2381 cf::db_load; 2395 cf::db_load;
2382 2396
2383 # load extensions
2384 warn "load extensions"; 2397 warn "loading extensions";
2385 cf::load_extensions; 2398 cf::load_extensions;
2386 2399
2387 # reattach attachments to objects 2400 warn "reattaching attachments to objects/players";
2388 warn "reattach";
2389 _global_reattach; 2401 _global_reattach;
2402 warn "reattaching attachments to maps";
2390 reattach $_ for values %MAP; 2403 reattach $_ for values %MAP;
2404
2405 warn "restarting server ticker";
2406
2407 $TICK_WATCHER->start;
2391 }; 2408 };
2392 2409
2393 if ($@) { 2410 if ($@) {
2394 warn $@; 2411 warn $@;
2395 warn "error while reloading, exiting."; 2412 warn "error while reloading, exiting.";
2396 exit 1; 2413 exit 1;
2397 } 2414 }
2398 2415
2399 warn "reloaded successfully"; 2416 warn "reloaded";
2400}; 2417};
2401 2418
2402############################################################################# 2419our $RELOAD_WATCHER; # used only during reload
2403
2404unless ($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} = $LINK_MAP;
2443}
2444
2445register "<global>", __PACKAGE__;
2446 2420
2447register_command "reload" => sub { 2421register_command "reload" => sub {
2448 my ($who, $arg) = @_; 2422 my ($who, $arg) = @_;
2449 2423
2450 if ($who->flag (FLAG_WIZ)) { 2424 if ($who->flag (FLAG_WIZ)) {
2451 $who->message ("start of reload."); 2425 $who->message ("reloading server.");
2426
2427 # doing reload synchronously and two reloads happen back-to-back,
2428 # coro crashes during coro_state_free->destroy here.
2429
2430 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2452 reload; 2431 reload;
2453 $who->message ("end of reload."); 2432 undef $RELOAD_WATCHER;
2433 });
2454 } 2434 }
2455}; 2435};
2456 2436
2457unshift @INC, $LIBDIR; 2437unshift @INC, $LIBDIR;
2438
2439my $bug_warning = 0;
2458 2440
2459$TICK_WATCHER = Event->timer ( 2441$TICK_WATCHER = Event->timer (
2460 reentrant => 0, 2442 reentrant => 0,
2443 parked => 1,
2461 prio => 0, 2444 prio => 0,
2462 at => $NEXT_TICK || $TICK, 2445 at => $NEXT_TICK || $TICK,
2463 data => WF_AUTOCANCEL, 2446 data => WF_AUTOCANCEL,
2464 cb => sub { 2447 cb => sub {
2448 if ($Coro::current != $Coro::main) {
2449 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450 unless ++$bug_warning > 10;
2451 return;
2452 }
2453
2454 $NOW = Event::time;
2455
2465 cf::server_tick; # one server iteration 2456 cf::server_tick; # one server iteration
2466 $RUNTIME += $TICK; 2457 $RUNTIME += $TICK;
2467 $NEXT_TICK += $TICK; 2458 $NEXT_TICK += $TICK;
2468 2459
2469 $WAIT_FOR_TICK->broadcast; 2460 $WAIT_FOR_TICK->broadcast;
… …
2477 }, 2468 },
2478); 2469);
2479 2470
2480IO::AIO::max_poll_time $TICK * 0.2; 2471IO::AIO::max_poll_time $TICK * 0.2;
2481 2472
2482Event->io ( 2473$AIO_POLL_WATCHER = Event->io (
2483 fd => IO::AIO::poll_fileno, 2474 fd => IO::AIO::poll_fileno,
2484 poll => 'r', 2475 poll => 'r',
2485 prio => 5, 2476 prio => 5,
2486 data => WF_AUTOCANCEL, 2477 data => WF_AUTOCANCEL,
2487 cb => \&IO::AIO::poll_cb, 2478 cb => \&IO::AIO::poll_cb,
2488); 2479);
2489 2480
2490Event->timer ( 2481$WRITE_RUNTIME_WATCHER = Event->timer (
2491 data => WF_AUTOCANCEL, 2482 data => WF_AUTOCANCEL,
2492 after => 0, 2483 after => 1,
2493 interval => 10, 2484 interval => 10,
2494 cb => sub { 2485 prio => 6, # keep it lowest so it acts like a watchdog
2495 (Coro::unblock_sub { 2486 cb => Coro::unblock_sub {
2496 write_runtime 2487 write_runtime
2497 or warn "ERROR: unable to write runtime file: $!"; 2488 or warn "ERROR: unable to write runtime file: $!";
2498 })->();
2499 }, 2489 },
2500); 2490);
2501 2491
2502END { cf::emergency_save } 2492END { cf::emergency_save }
2503 2493

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