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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.186 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
372use overload
373 '""' => \&as_string;
374
375# used to convert map paths into valid unix filenames by repalcing / by ∕
376our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378sub new {
379 my ($class, $path, $base) = @_;
380
381 $path = $path->as_string if ref $path;
382
383 my $self = bless { }, $class;
384
385 # {... are special paths that are not touched
386 # ?xxx/... are special absolute paths
387 # ?random/... random maps
388 # /! non-realised random map exit
389 # /... normal maps
390 # ~/... per-player maps without a specific player (DO NOT USE)
391 # ~user/... per-player map of a specific user
392
393 $path =~ s/$PATH_SEP/\//go;
394
395 if ($path =~ /^{/) {
396 # fine as it is
397 } elsif ($path =~ s{^\?random/}{}) {
398 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399 $self->{random} = cf::from_json $data;
400 } else {
401 if ($path =~ s{^~([^/]+)?}{}) {
402 $self->{user_rel} = 1;
403
404 if (defined $1) {
405 $self->{user} = $1;
406 } elsif ($base =~ m{^~([^/]+)/}) {
407 $self->{user} = $1;
408 } else {
409 warn "cannot resolve user-relative path without user <$path,$base>\n";
410 }
411 } elsif ($path =~ /^\//) {
412 # already absolute
413 } else {
414 $base =~ s{[^/]+/?$}{};
415 return $class->new ("$base/$path");
416 }
417
418 for ($path) {
419 redo if s{/\.?/}{/};
420 redo if s{/[^/]+/\.\./}{/};
421 }
422 }
423
424 $self->{path} = $path;
425
426 $self
427}
428
429# the name / primary key / in-game path
430sub as_string {
431 my ($self) = @_;
432
433 $self->{user_rel} ? "~$self->{user}$self->{path}"
434 : $self->{random} ? "?random/$self->{path}"
435 : $self->{path}
436}
437
438# the displayed name, this is a one way mapping
439sub visible_name {
440 my ($self) = @_;
441
442# if (my $rmp = $self->{random}) {
443# # todo: be more intelligent about this
444# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445# } else {
446 $self->as_string
447# }
448}
449
450# escape the /'s in the path
451sub _escaped_path {
452 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453 $path
454}
455
456# the original (read-only) location
457sub load_path {
458 my ($self) = @_;
459
460 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461}
462
463# the temporary/swap location
464sub save_path {
465 my ($self) = @_;
466
467 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470}
471
472# the unique path, might be eq to save_path
473sub uniq_path {
474 my ($self) = @_;
475
476 $self->{user_rel} || $self->{random}
477 ? undef
478 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479}
480
481# return random map parameters, or undef
482sub random_map_params {
483 my ($self) = @_;
484
485 $self->{random}
486}
487
488# this is somewhat ugly, but style maps do need special treatment
489sub is_style_map {
490 $_[0]{path} =~ m{^/styles/}
491}
492
493package cf;
494 376
495############################################################################# 377#############################################################################
496 378
497=head2 ATTACHABLE OBJECTS 379=head2 ATTACHABLE OBJECTS
498 380
624our @CB_TYPE = (); # registry for type (cf-object class) based events 506our @CB_TYPE = (); # registry for type (cf-object class) based events
625our @CB_MAP = (); 507our @CB_MAP = ();
626 508
627my %attachment; 509my %attachment;
628 510
511sub cf::attachable::thawer_merge {
512 # simply override everything except _meta
513 local $_[0]{_meta};
514 %{$_[0]} = %{$_[1]};
515}
516
629sub _attach_cb($$$$) { 517sub _attach_cb($$$$) {
630 my ($registry, $event, $prio, $cb) = @_; 518 my ($registry, $event, $prio, $cb) = @_;
631 519
632 use sort 'stable'; 520 use sort 'stable';
633 521
804# object support 692# object support
805 693
806sub reattach { 694sub reattach {
807 # basically do the same as instantiate, without calling instantiate 695 # basically do the same as instantiate, without calling instantiate
808 my ($obj) = @_; 696 my ($obj) = @_;
697
698 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809 699
810 my $registry = $obj->registry; 700 my $registry = $obj->registry;
811 701
812 @$registry = (); 702 @$registry = ();
813 703
945=cut 835=cut
946 836
947sub register_extcmd { 837sub register_extcmd {
948 my ($name, $cb) = @_; 838 my ($name, $cb) = @_;
949 839
950 my $caller = caller;
951 #warn "registering extcmd '$name' to '$caller'";
952
953 $EXTCMD{$name} = [$cb, $caller]; 840 $EXTCMD{$name} = $cb;
954} 841}
955 842
956cf::player->attach ( 843cf::player->attach (
957 on_command => sub { 844 on_command => sub {
958 my ($pl, $name, $params) = @_; 845 my ($pl, $name, $params) = @_;
971 858
972 my $msg = eval { from_json $buf }; 859 my $msg = eval { from_json $buf };
973 860
974 if (ref $msg) { 861 if (ref $msg) {
975 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 862 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976 if (my %reply = $cb->[0]->($pl, $msg)) { 863 if (my %reply = $cb->($pl, $msg)) {
977 $pl->ext_reply ($msg->{msgid}, %reply); 864 $pl->ext_reply ($msg->{msgid}, %reply);
978 } 865 }
979 } 866 }
980 } else { 867 } else {
981 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 868 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
983 870
984 cf::override; 871 cf::override;
985 }, 872 },
986); 873);
987 874
988sub register {
989 my ($base, $pkg) = @_;
990
991 #TODO
992}
993
994sub load_extension { 875sub load_extension {
995 my ($path) = @_; 876 my ($path) = @_;
996 877
997 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 878 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
998 my $base = $1; 879 my $base = $1;
999 my $pkg = $1; 880 my $pkg = $1;
1000 $pkg =~ s/[^[:word:]]/_/g; 881 $pkg =~ s/[^[:word:]]/_/g;
1001 $pkg = "ext::$pkg"; 882 $pkg = "ext::$pkg";
1002 883
1003 warn "loading '$path' into '$pkg'\n"; 884 warn "... loading '$path' into '$pkg'\n";
1004 885
1005 open my $fh, "<:utf8", $path 886 open my $fh, "<:utf8", $path
1006 or die "$path: $!"; 887 or die "$path: $!";
1007 888
1008 my $source = 889 my $source =
1009 "package $pkg; use strict; use utf8;\n" 890 "package $pkg; use strict; use utf8;\n"
1010 . "#line 1 \"$path\"\n{\n" 891 . "#line 1 \"$path\"\n{\n"
1011 . (do { local $/; <$fh> }) 892 . (do { local $/; <$fh> })
1012 . "\n};\n1"; 893 . "\n};\n1";
1013 894
1014 eval $source 895 unless (eval $source) {
1015 or die $@ ? "$path: $@\n" 896 my $msg = $@ ? "$path: $@\n"
1016 : "extension disabled.\n"; 897 : "extension disabled.\n";
1017 898 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018 push @exts, $pkg; 899 warn $@;
1019 $ext_pkg{$base} = $pkg; 900 warn "mandatory extension failed to load, exiting.\n";
1020 901 exit 1;
1021# no strict 'refs'; 902 }
1022# @{"$pkg\::ISA"} = ext::; 903 die $@;
1023
1024 register $base, $pkg;
1025}
1026
1027sub unload_extension {
1028 my ($pkg) = @_;
1029
1030 warn "removing extension $pkg\n";
1031
1032 # remove hooks
1033 #TODO
1034# for my $idx (0 .. $#PLUGIN_EVENT) {
1035# delete $hook[$idx]{$pkg};
1036# } 904 }
1037 905
1038 # remove commands 906 push @EXTS, $pkg;
1039 for my $name (keys %COMMAND) {
1040 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042 if (@cb) {
1043 $COMMAND{$name} = \@cb;
1044 } else {
1045 delete $COMMAND{$name};
1046 }
1047 }
1048
1049 # remove extcmds
1050 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051 delete $EXTCMD{$name};
1052 }
1053
1054 if (my $cb = $pkg->can ("unload")) {
1055 eval {
1056 $cb->($pkg);
1057 1
1058 } or warn "$pkg unloaded, but with errors: $@";
1059 }
1060
1061 Symbol::delete_package $pkg;
1062} 907}
1063 908
1064sub load_extensions { 909sub load_extensions {
1065 for my $ext (<$LIBDIR/*.ext>) { 910 for my $ext (<$LIBDIR/*.ext>) {
1066 next unless -r $ext; 911 next unless -r $ext;
1070 } or warn "$ext not loaded: $@"; 915 } or warn "$ext not loaded: $@";
1071 } 916 }
1072} 917}
1073 918
1074############################################################################# 919#############################################################################
1075# load/save/clean perl data associated with a map
1076
1077*cf::mapsupport::on_clean = sub {
1078 my ($map) = @_;
1079
1080 my $path = $map->tmpname;
1081 defined $path or return;
1082
1083 unlink "$path.pst";
1084};
1085
1086cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088#############################################################################
1089 920
1090=head2 CORE EXTENSIONS 921=head2 CORE EXTENSIONS
1091 922
1092Functions and methods that extend core crossfire objects. 923Functions and methods that extend core crossfire objects.
1093 924
1129 960
1130sub exists($) { 961sub exists($) {
1131 my ($login) = @_; 962 my ($login) = @_;
1132 963
1133 $cf::PLAYER{$login} 964 $cf::PLAYER{$login}
1134 or cf::sync_job { !aio_stat $login } 965 or cf::sync_job { !aio_stat path $login }
1135} 966}
1136 967
1137sub find($) { 968sub find($) {
1138 return $cf::PLAYER{$_[0]} || do { 969 return $cf::PLAYER{$_[0]} || do {
1139 my $login = $_[0]; 970 my $login = $_[0];
1229 \@logins 1060 \@logins
1230} 1061}
1231 1062
1232=item $player->maps 1063=item $player->maps
1233 1064
1234Returns an arrayref of cf::path's of all maps that are private for this 1065Returns an arrayref of map paths that are private for this
1235player. May block. 1066player. May block.
1236 1067
1237=cut 1068=cut
1238 1069
1239sub maps($) { 1070sub maps($) {
1247 for (@$files) { 1078 for (@$files) {
1248 utf8::decode $_; 1079 utf8::decode $_;
1249 next if /\.(?:pl|pst)$/; 1080 next if /\.(?:pl|pst)$/;
1250 next unless /^$PATH_SEP/o; 1081 next unless /^$PATH_SEP/o;
1251 1082
1083 s/\.map$//;
1252 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1253 } 1085 }
1254 1086
1255 \@paths 1087 \@paths
1256} 1088}
1257 1089
1283package cf::map; 1115package cf::map;
1284 1116
1285use Fcntl; 1117use Fcntl;
1286use Coro::AIO; 1118use Coro::AIO;
1287 1119
1120use overload
1121 '""' => \&as_string,
1122 fallback => 1;
1123
1288our $MAX_RESET = 3600; 1124our $MAX_RESET = 3600;
1289our $DEFAULT_RESET = 3000; 1125our $DEFAULT_RESET = 3000;
1290 1126
1291sub generate_random_map { 1127sub generate_random_map {
1292 my ($path, $rmp) = @_; 1128 my ($self, $rmp) = @_;
1293
1294 # mit "rum" bekleckern, nicht 1129 # mit "rum" bekleckern, nicht
1295 cf::map::_create_random_map 1130 $self->_create_random_map (
1296 $path,
1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300 $rmp->{exit_on_final_map}, 1134 $rmp->{exit_on_final_map},
1301 $rmp->{xsize}, $rmp->{ysize}, 1135 $rmp->{xsize}, $rmp->{ysize},
1302 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1136 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1137 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1138 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305 $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},
1306 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307 (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
1308} 1260}
1309 1261
1310# and all this just because we cannot iterate over 1262# and all this just because we cannot iterate over
1311# all maps in C++... 1263# all maps in C++...
1312sub change_all_map_light { 1264sub change_all_map_light {
1314 1266
1315 $_->change_map_light ($change) 1267 $_->change_map_light ($change)
1316 for grep $_->outdoor, values %cf::MAP; 1268 for grep $_->outdoor, values %cf::MAP;
1317} 1269}
1318 1270
1271sub unlink_save {
1272 my ($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
1319sub try_load_header($) { 1279sub load_header_from($) {
1320 my ($path) = @_; 1280 my ($self, $path) = @_;
1321 1281
1322 utf8::encode $path; 1282 utf8::encode $path;
1323 aio_open $path, O_RDONLY, 0 1283 aio_open $path, O_RDONLY, 0
1324 or return; 1284 or return;
1325 1285
1326 my $map = cf::map::new 1286 $self->_load_header ($path)
1327 or return; 1287 or return;
1328 1288
1329 # for better error messages only, will be overwritten 1289 $self->{load_path} = $path;
1330 $map->path ($path);
1331 1290
1332 $map->load_header ($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
1333 or return; 1317 or return;
1334 1318
1335 $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 }
1336 1324
1337 $map 1325 1
1338} 1326}
1339 1327
1340sub find; 1328sub find;
1341sub find { 1329sub find {
1342 my ($path, $origin) = @_; 1330 my ($path, $origin) = @_;
1343 1331
1344 #warn "find<$path,$origin>\n";#d#
1345
1346 $path = new cf::path $path, $origin && $origin->path; 1332 $path = normalise $path, $origin && $origin->path;
1347 my $key = $path->as_string;
1348 1333
1349 cf::lock_wait "map_find:$key"; 1334 cf::lock_wait "map_find:$path";
1350 1335
1351 $cf::MAP{$key} || do { 1336 $cf::MAP{$path} || do {
1352 my $guard = cf::lock_acquire "map_find:$key"; 1337 my $guard = cf::lock_acquire "map_find:$path";
1353 1338 my $map = new_from_path cf::map $path
1354 # do it the slow way
1355 my $map = try_load_header $path->save_path;
1356
1357 Coro::cede;
1358
1359 if ($map) {
1360 $map->last_access ((delete $map->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $map->{instantiate_time} = $cf::RUNTIME
1364 if $map->{instantiate_time} > $cf::RUNTIME;
1365 } else {
1366 if (my $rmp = $path->random_map_params) {
1367 $map = generate_random_map $key, $rmp;
1368 } else {
1369 $map = try_load_header $path->load_path;
1370 }
1371
1372 $map or return; 1339 or return;
1373 1340
1374 $map->{load_original} = 1;
1375 $map->{instantiate_time} = $cf::RUNTIME;
1376 $map->last_access ($cf::RUNTIME);
1377 $map->instantiate;
1378
1379 # per-player maps become, after loading, normal maps
1380 $map->per_player (0) if $path->{user_rel};
1381 }
1382
1383 $map->path ($key);
1384 $map->{path} = $path;
1385 $map->{last_save} = $cf::RUNTIME; 1341 $map->{last_save} = $cf::RUNTIME;
1386 1342
1387 Coro::cede; 1343 $map->load_header
1344 or return;
1388 1345
1389 if ($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;
1390 $map->reset; 1349 $map->reset;
1391 undef $guard; 1350 undef $guard;
1392 $map = find $path 1351 $map = find $path
1393 or return; 1352 or return;
1394 } 1353 }
1395 1354
1396 $cf::MAP{$key} = $map 1355 $cf::MAP{$path} = $map
1397 } 1356 }
1398} 1357}
1399 1358
1400sub load { 1359sub load {
1401 my ($self) = @_; 1360 my ($self) = @_;
1402 1361
1403 my $path = $self->{path}; 1362 my $path = $self->{path};
1404 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1363 my $guard = cf::lock_acquire "map_load:$path";
1405 1364
1406 return if $self->in_memory != cf::MAP_SWAPPED; 1365 return if $self->in_memory != cf::MAP_SWAPPED;
1407 1366
1408 $self->in_memory (cf::MAP_LOADING); 1367 $self->in_memory (cf::MAP_LOADING);
1409 1368
1410 $self->alloc; 1369 $self->alloc;
1411 $self->load_objects ($self->{load_path}, 1) 1370 $self->_load_objects ($self->{load_path}, 1)
1412 or return; 1371 or return;
1413 1372
1414 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1373 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415 if delete $self->{load_original}; 1374 if delete $self->{load_original};
1416 1375
1417 if (my $uniq = $path->uniq_path) { 1376 if (my $uniq = $self->uniq_path) {
1418 utf8::encode $uniq; 1377 utf8::encode $uniq;
1419 if (aio_open $uniq, O_RDONLY, 0) { 1378 if (aio_open $uniq, O_RDONLY, 0) {
1420 $self->clear_unique_items; 1379 $self->clear_unique_items;
1421 $self->load_objects ($uniq, 0); 1380 $self->_load_objects ($uniq, 0);
1422 } 1381 }
1423 } 1382 }
1424 1383
1425 Coro::cede; 1384 Coro::cede;
1426 1385
1427 # now do the right thing for maps 1386 # now do the right thing for maps
1428 $self->link_multipart_objects; 1387 $self->link_multipart_objects;
1429 1388
1430 if ($self->{path}->is_style_map) { 1389 unless ($self->{deny_activate}) {
1431 $self->{deny_save} = 1; 1390 $self->decay_objects;
1432 $self->{deny_reset} = 1;
1433 } else {
1434 $self->fix_auto_apply; 1391 $self->fix_auto_apply;
1435 $self->decay_objects;
1436 $self->update_buttons; 1392 $self->update_buttons;
1393 Coro::cede;
1437 $self->set_darkness_map; 1394 $self->set_darkness_map;
1438 $self->difficulty ($self->estimate_difficulty) 1395 $self->difficulty ($self->estimate_difficulty)
1439 unless $self->difficulty; 1396 unless $self->difficulty;
1397 Coro::cede;
1440 $self->activate; 1398 $self->activate;
1441 } 1399 }
1442 1400
1443 Coro::cede;
1444
1445 $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 $self
1446} 1411}
1447 1412
1448# find and load all maps in the 3x3 area around a map 1413# find and load all maps in the 3x3 area around a map
1449sub load_diag { 1414sub load_diag {
1450 my ($map) = @_; 1415 my ($map) = @_;
1480 1445
1481 cf::sync_job { $map->load }; 1446 cf::sync_job { $map->load };
1482} 1447}
1483 1448
1484our %MAP_PREFETCH; 1449our %MAP_PREFETCH;
1485our $MAP_PREFETCHER = Coro::async { 1450our $MAP_PREFETCHER = undef;
1486 while () {
1487 while (%MAP_PREFETCH) {
1488 my $key = each %MAP_PREFETCH
1489 or next;
1490 my $path = delete $MAP_PREFETCH{$key};
1491
1492 my $map = find $path
1493 or next;
1494 $map->load;
1495 }
1496 Coro::schedule;
1497 }
1498};
1499 1451
1500sub find_async { 1452sub find_async {
1501 my ($path, $origin) = @_; 1453 my ($path, $origin) = @_;
1502 1454
1503 $path = new cf::path $path, $origin && $origin->path; 1455 $path = normalise $path, $origin && $origin->{path};
1504 my $key = $path->as_string;
1505 1456
1506 if (my $map = $cf::MAP{$key}) { 1457 if (my $map = $cf::MAP{$path}) {
1507 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1458 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508 } 1459 }
1509 1460
1510 $MAP_PREFETCH{$key} = $path; 1461 undef $MAP_PREFETCH{$path};
1511 $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 };
1512 1474
1513 () 1475 ()
1514} 1476}
1515 1477
1516sub save { 1478sub save {
1520 1482
1521 $self->{last_save} = $cf::RUNTIME; 1483 $self->{last_save} = $cf::RUNTIME;
1522 1484
1523 return unless $self->dirty; 1485 return unless $self->dirty;
1524 1486
1525 my $save = $self->{path}->save_path; utf8::encode $save; 1487 my $save = $self->save_path; utf8::encode $save;
1526 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1488 my $uniq = $self->uniq_path; utf8::encode $uniq;
1527 1489
1528 $self->{load_path} = $save; 1490 $self->{load_path} = $save;
1529 1491
1530 return if $self->{deny_save}; 1492 return if $self->{deny_save};
1531 1493
1534 cf::async { 1496 cf::async {
1535 $_->contr->save for $self->players; 1497 $_->contr->save for $self->players;
1536 }; 1498 };
1537 1499
1538 if ($uniq) { 1500 if ($uniq) {
1539 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1501 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540 $self->save_objects ($uniq, cf::IO_UNIQUES); 1502 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1541 } else { 1503 } else {
1542 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1504 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543 } 1505 }
1544} 1506}
1545 1507
1546sub swap_out { 1508sub swap_out {
1547 my ($self) = @_; 1509 my ($self) = @_;
1561 1523
1562sub reset_at { 1524sub reset_at {
1563 my ($self) = @_; 1525 my ($self) = @_;
1564 1526
1565 # TODO: safety, remove and allow resettable per-player maps 1527 # TODO: safety, remove and allow resettable per-player maps
1566 return 1e99 if $self->{path}{user_rel}; 1528 return 1e99 if $self->isa ("ext::map_per_player");#d#
1567 return 1e99 if $self->{deny_reset}; 1529 return 1e99 if $self->{deny_reset};
1568 1530
1569 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1531 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1532 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571 1533
1576 my ($self) = @_; 1538 my ($self) = @_;
1577 1539
1578 $self->reset_at <= $cf::RUNTIME 1540 $self->reset_at <= $cf::RUNTIME
1579} 1541}
1580 1542
1581sub unlink_save {
1582 my ($self) = @_;
1583
1584 utf8::encode (my $save = $self->{path}->save_path);
1585 aioreq_pri 3; IO::AIO::aio_unlink $save;
1586 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587}
1588
1589sub rename {
1590 my ($self, $new_path) = @_;
1591
1592 $self->unlink_save;
1593
1594 delete $cf::MAP{$self->path};
1595 $self->{path} = new cf::path $new_path;
1596 $self->path ($self->{path}->as_string);
1597 $cf::MAP{$self->path} = $self;
1598
1599 $self->save;
1600}
1601
1602sub reset { 1543sub reset {
1603 my ($self) = @_; 1544 my ($self) = @_;
1604 1545
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 1546 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 1547
1607 return if $self->players; 1548 return if $self->players;
1608 return if $self->{path}{user_rel};#d# 1549 return if $self->isa ("ext::map_per_player");#d#
1609 1550
1610 warn "resetting map ", $self->path;#d# 1551 warn "resetting map ", $self->path;#d#
1611 1552
1612 delete $cf::MAP{$self->path}; 1553 delete $cf::MAP{$self->path};
1554
1555 $self->in_memory (cf::MAP_SWAPPED);
1556 $self->clear;
1613 1557
1614 $_->clear_links_to ($self) for values %cf::MAP; 1558 $_->clear_links_to ($self) for values %cf::MAP;
1615 1559
1616 $self->unlink_save; 1560 $self->unlink_save;
1617 $self->destroy; 1561 $self->destroy;
1620my $nuke_counter = "aaaa"; 1564my $nuke_counter = "aaaa";
1621 1565
1622sub nuke { 1566sub nuke {
1623 my ($self) = @_; 1567 my ($self) = @_;
1624 1568
1569 delete $cf::MAP{$self->path};
1570
1571 $self->unlink_save;
1572
1573 bless $self, "cf::map";
1574 delete $self->{deny_reset};
1625 $self->{deny_save} = 1; 1575 $self->{deny_save} = 1;
1626 $self->reset_timeout (1); 1576 $self->reset_timeout (1);
1627 $self->rename ("{nuke}/" . ($nuke_counter++)); 1577 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578
1579 $cf::MAP{$self->path} = $self;
1580
1628 $self->reset; # polite request, might not happen 1581 $self->reset; # polite request, might not happen
1629} 1582}
1630 1583
1631sub customise_for {
1632 my ($map, $ob) = @_;
1633
1634 if ($map->per_player) {
1635 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636 }
1637
1638 $map
1639}
1640
1641=item cf::map::unique_maps 1584=item cf::map::unique_maps
1642 1585
1643Returns an arrayref of cf::path's of all shared maps that have 1586Returns an arrayref of paths of all shared maps that have
1644instantiated unique items. May block. 1587instantiated unique items. May block.
1645 1588
1646=cut 1589=cut
1647 1590
1648sub unique_maps() { 1591sub unique_maps() {
1654 for (@$files) { 1597 for (@$files) {
1655 utf8::decode $_; 1598 utf8::decode $_;
1656 next if /\.pst$/; 1599 next if /\.pst$/;
1657 next unless /^$PATH_SEP/o; 1600 next unless /^$PATH_SEP/o;
1658 1601
1602 s/\.map$//;
1659 push @paths, new cf::path $_; 1603 push @paths, $_;
1660 } 1604 }
1661 1605
1662 \@paths 1606 \@paths
1663} 1607}
1664 1608
1739 1683
1740=item $player_object->enter_link 1684=item $player_object->enter_link
1741 1685
1742Freezes 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}>).
1743 1687
1744The 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
1745I<MUST> call C<leave_link> as soon as possible, though. 1689I<MUST> call C<leave_link> as soon as possible, though.
1746 1690
1691Will never block.
1692
1747=item $player_object->leave_link ($map, $x, $y) 1693=item $player_object->leave_link ($map, $x, $y)
1748 1694
1749Moves the player out of the specila link map onto the given map. If the 1695Moves the player out of the special C<{link}> map onto the specified
1750map is not valid (or omitted), the player will be moved back to the 1696map. If the map is not valid (or omitted), the player will be moved back
1751location he/she was before the call to C<enter_link>, or, if that fails, 1697to the location he/she was before the call to C<enter_link>, or, if that
1752to the emergency map position. 1698fails, to the emergency map position.
1753 1699
1754Might block. 1700Might block.
1755 1701
1756=cut 1702=cut
1703
1704sub link_map {
1705 unless ($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 $LINK_MAP
1712}
1757 1713
1758sub cf::object::player::enter_link { 1714sub cf::object::player::enter_link {
1759 my ($self) = @_; 1715 my ($self) = @_;
1760 1716
1761 $self->deactivate_recursive; 1717 $self->deactivate_recursive;
1762 1718
1763 return if $self->map == $LINK_MAP; 1719 return if UNIVERSAL::isa $self->map, "ext::map_link";
1764 1720
1765 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1721 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766 if $self->map; 1722 if $self->map;
1767 1723
1768 $self->enter_map ($LINK_MAP, 20, 20); 1724 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1769} 1725}
1770 1726
1771sub cf::object::player::leave_link { 1727sub cf::object::player::leave_link {
1772 my ($self, $map, $x, $y) = @_; 1728 my ($self, $map, $x, $y) = @_;
1773 1729
1837=cut 1793=cut
1838 1794
1839sub cf::object::player::goto { 1795sub cf::object::player::goto {
1840 my ($self, $path, $x, $y) = @_; 1796 my ($self, $path, $x, $y) = @_;
1841 1797
1842 $path = new cf::path $path;
1843
1844 $self->enter_link; 1798 $self->enter_link;
1845 1799
1846 (async { 1800 (async {
1847 my $map = cf::map::find $path->as_string; 1801 my $map = cf::map::find $path;
1848 $map = $map->customise_for ($self) if $map; 1802 $map = $map->customise_for ($self) if $map;
1849 1803
1850# warn "entering ", $map->path, " at ($x, $y)\n" 1804# warn "entering ", $map->path, " at ($x, $y)\n"
1851# if $map; 1805# if $map;
1852 1806
1862 1816
1863sub parse_random_map_params { 1817sub parse_random_map_params {
1864 my ($spec) = @_; 1818 my ($spec) = @_;
1865 1819
1866 my $rmp = { # defaults 1820 my $rmp = { # defaults
1867 xsize => 10, 1821 xsize => (cf::rndm 15, 40),
1868 ysize => 10, 1822 ysize => (cf::rndm 15, 40),
1823 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1824 #layout => string,
1869 }; 1825 };
1870 1826
1871 for (split /\n/, $spec) { 1827 for (split /\n/, $spec) {
1872 my ($k, $v) = split /\s+/, $_, 2; 1828 my ($k, $v) = split /\s+/, $_, 2;
1873 1829
1877 $rmp 1833 $rmp
1878} 1834}
1879 1835
1880sub prepare_random_map { 1836sub prepare_random_map {
1881 my ($exit) = @_; 1837 my ($exit) = @_;
1838
1839 my $guard = cf::lock_acquire "exit_prepare:$exit";
1882 1840
1883 # all this does is basically replace the /! path by 1841 # all this does is basically replace the /! path by
1884 # a new random map path (?random/...) with a seed 1842 # a new random map path (?random/...) with a seed
1885 # that depends on the exit object 1843 # that depends on the exit object
1886 1844
1895 1853
1896 $rmp->{random_seed} ||= $exit->random_seed; 1854 $rmp->{random_seed} ||= $exit->random_seed;
1897 1855
1898 my $data = cf::to_json $rmp; 1856 my $data = cf::to_json $rmp;
1899 my $md5 = Digest::MD5::md5_hex $data; 1857 my $md5 = Digest::MD5::md5_hex $data;
1858 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900 1859
1901 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) {
1902 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;
1903 1864
1904 $exit->slaying ("?random/$md5"); 1865 $exit->slaying ("?random/$md5");
1905 $exit->msg (undef); 1866 $exit->msg (undef);
1906 } 1867 }
1907} 1868}
1917 $self->deactivate_recursive; # just to be sure 1878 $self->deactivate_recursive; # just to be sure
1918 unless (eval { 1879 unless (eval {
1919 prepare_random_map $exit 1880 prepare_random_map $exit
1920 if $exit->slaying eq "/!"; 1881 if $exit->slaying eq "/!";
1921 1882
1922 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;
1923 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1884 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924 1885
1925 1; 1886 1;
1926 }) { 1887 }) {
1927 $self->message ("Something went wrong deep within the crossfire server. " 1888 $self->message ("Something went wrong deep within the crossfire server. "
2217 sub db_sync() { 2178 sub db_sync() {
2218 db_save if $dirty; 2179 db_save if $dirty;
2219 undef $dirty; 2180 undef $dirty;
2220 } 2181 }
2221 2182
2222 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 {
2223 db_sync; 2184 db_sync;
2224 }); 2185 });
2225 2186
2226 sub db_dirty() { 2187 sub db_dirty() {
2227 $dirty = 1; 2188 $dirty = 1;
2277 2238
2278sub main { 2239sub main {
2279 # we must not ever block the main coroutine 2240 # we must not ever block the main coroutine
2280 local $Coro::idle = sub { 2241 local $Coro::idle = sub {
2281 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 {
2282 async { Event::one_event }; 2244 Event::one_event;
2245 })->prio (Coro::PRIO_MAX);
2283 }; 2246 };
2284 2247
2285 cfg_load; 2248 cfg_load;
2286 db_load; 2249 db_load;
2287 load_extensions; 2250 load_extensions;
2251
2252 $TICK_WATCHER->start;
2288 Event::loop; 2253 Event::loop;
2289} 2254}
2290 2255
2291############################################################################# 2256#############################################################################
2292# initialisation and cleanup 2257# initialisation and cleanup
2310 warn "enter emergency perl save\n"; 2275 warn "enter emergency perl save\n";
2311 2276
2312 cf::sync_job { 2277 cf::sync_job {
2313 # use a peculiar iteration method to avoid tripping on perl 2278 # use a peculiar iteration method to avoid tripping on perl
2314 # refcount bugs in for. also avoids problems with players 2279 # refcount bugs in for. also avoids problems with players
2315 # and maps saved/Destroyed asynchronously. 2280 # and maps saved/destroyed asynchronously.
2316 warn "begin emergency player save\n"; 2281 warn "begin emergency player save\n";
2317 for my $login (keys %cf::PLAYER) { 2282 for my $login (keys %cf::PLAYER) {
2318 my $pl = $cf::PLAYER{$login} or next; 2283 my $pl = $cf::PLAYER{$login} or next;
2319 $pl->valid or next; 2284 $pl->valid or next;
2320 $pl->save; 2285 $pl->save;
2334} 2299}
2335 2300
2336sub reload() { 2301sub reload() {
2337 # can/must only be called in main 2302 # can/must only be called in main
2338 if ($Coro::current != $Coro::main) { 2303 if ($Coro::current != $Coro::main) {
2339 warn "can only reload from main coroutine\n"; 2304 warn "can only reload from main coroutine";
2340 return; 2305 return;
2341 } 2306 }
2342 2307
2343 warn "reloading..."; 2308 warn "reloading...";
2344 2309
2345 my $guard = freeze_mainloop; 2310 warn "cancelling server ticker";
2311 $TICK_WATCHER->cancel;
2312
2346 cf::emergency_save; 2313 cf::emergency_save;
2347 2314
2348 eval { 2315 eval {
2349 # 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
2350 2317
2351 # cancel all watchers 2318 warn "syncing database to disk";
2319 cf::db_sync;
2320
2321 warn "cancelling all WF_AUTOCANCEL watchers";
2352 for (Event::all_watchers) { 2322 for (Event::all_watchers) {
2353 $_->cancel if $_->data & WF_AUTOCANCEL; 2323 $_->cancel if $_->data & WF_AUTOCANCEL;
2354 } 2324 }
2355 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
2356 # cancel all extension coros 2334 warn "cancelling all extension coros";
2357 $_->cancel for values %EXT_CORO; 2335 $_->cancel for values %EXT_CORO;
2358 %EXT_CORO = (); 2336 %EXT_CORO = ();
2359 2337
2360 # unload all extensions 2338 warn "removing commands";
2361 for (@exts) { 2339 %COMMAND = ();
2340
2341 warn "removing ext commands";
2342 %EXTCMD = ();
2343
2344 warn "unloading/nuking all extensions";
2345 for my $pkg (@EXTS) {
2362 warn "unloading <$_>"; 2346 warn "... unloading $pkg";
2363 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: $@";
2364 } 2353 }
2365 2354
2355 warn "... nuking $pkg";
2356 Symbol::delete_package $pkg;
2357 }
2358
2366 # unload all modules loaded from $LIBDIR 2359 warn "unloading all perl modules loaded from $LIBDIR";
2367 while (my ($k, $v) = each %INC) { 2360 while (my ($k, $v) = each %INC) {
2368 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2361 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369 2362
2370 warn "removing <$k>"; 2363 warn "... unloading $k";
2371 delete $INC{$k}; 2364 delete $INC{$k};
2372 2365
2373 $k =~ s/\.pm$//; 2366 $k =~ s/\.pm$//;
2374 $k =~ s/\//::/g; 2367 $k =~ s/\//::/g;
2375 2368
2378 } 2371 }
2379 2372
2380 Symbol::delete_package $k; 2373 Symbol::delete_package $k;
2381 } 2374 }
2382 2375
2383 # sync database to disk
2384 cf::db_sync;
2385 IO::AIO::flush;
2386
2387 # get rid of safe::, as good as possible 2376 warn "getting rid of safe::, as good as possible";
2388 Symbol::delete_package "safe::$_" 2377 Symbol::delete_package "safe::$_"
2389 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);
2390 2379
2391 # remove register_script_function callbacks
2392 # TODO
2393
2394 # unload cf.pm "a bit" 2380 warn "unloading cf.pm \"a bit\"";
2395 delete $INC{"cf.pm"}; 2381 delete $INC{"cf.pm"};
2396 2382
2397 # don't, removes xs symbols, too, 2383 # don't, removes xs symbols, too,
2398 # and global variables created in xs 2384 # and global variables created in xs
2399 #Symbol::delete_package __PACKAGE__; 2385 #Symbol::delete_package __PACKAGE__;
2400 2386
2401 # reload cf.pm 2387 warn "unload completed, starting to reload now";
2388
2402 warn "reloading cf.pm"; 2389 warn "reloading cf.pm";
2403 require cf; 2390 require cf;
2404 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2391 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405 2392
2406 # load config and database again 2393 warn "loading config and database again";
2407 cf::cfg_load; 2394 cf::cfg_load;
2408 cf::db_load; 2395 cf::db_load;
2409 2396
2410 # load extensions
2411 warn "load extensions"; 2397 warn "loading extensions";
2412 cf::load_extensions; 2398 cf::load_extensions;
2413 2399
2414 # reattach attachments to objects 2400 warn "reattaching attachments to objects/players";
2415 warn "reattach";
2416 _global_reattach; 2401 _global_reattach;
2402 warn "reattaching attachments to maps";
2417 reattach $_ for values %MAP; 2403 reattach $_ for values %MAP;
2404
2405 warn "restarting server ticker";
2406
2407 $TICK_WATCHER->start;
2418 }; 2408 };
2419 2409
2420 if ($@) { 2410 if ($@) {
2421 warn $@; 2411 warn $@;
2422 warn "error while reloading, exiting."; 2412 warn "error while reloading, exiting.";
2423 exit 1; 2413 exit 1;
2424 } 2414 }
2425 2415
2426 warn "reloaded successfully"; 2416 warn "reloaded";
2427}; 2417};
2428 2418
2429############################################################################# 2419our $RELOAD_WATCHER; # used only during reload
2430
2431unless ($LINK_MAP) {
2432 $LINK_MAP = cf::map::new;
2433
2434 $LINK_MAP->width (41);
2435 $LINK_MAP->height (41);
2436 $LINK_MAP->alloc;
2437 $LINK_MAP->path ("{link}");
2438 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441 # dirty hack because... archetypes are not yet loaded
2442 Event->timer (
2443 after => 10,
2444 cb => sub {
2445 $_[0]->w->cancel;
2446
2447 # provide some exits "home"
2448 my $exit = cf::object::new "exit";
2449
2450 $exit->slaying ($EMERGENCY_POSITION->[0]);
2451 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454 $LINK_MAP->insert ($exit->clone, 19, 19);
2455 $LINK_MAP->insert ($exit->clone, 19, 20);
2456 $LINK_MAP->insert ($exit->clone, 19, 21);
2457 $LINK_MAP->insert ($exit->clone, 20, 19);
2458 $LINK_MAP->insert ($exit->clone, 20, 21);
2459 $LINK_MAP->insert ($exit->clone, 21, 19);
2460 $LINK_MAP->insert ($exit->clone, 21, 20);
2461 $LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463 $exit->destroy;
2464 });
2465
2466 $LINK_MAP->{deny_save} = 1;
2467 $LINK_MAP->{deny_reset} = 1;
2468
2469 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470}
2471
2472register "<global>", __PACKAGE__;
2473 2420
2474register_command "reload" => sub { 2421register_command "reload" => sub {
2475 my ($who, $arg) = @_; 2422 my ($who, $arg) = @_;
2476 2423
2477 if ($who->flag (FLAG_WIZ)) { 2424 if ($who->flag (FLAG_WIZ)) {
2478 $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 {
2479 reload; 2431 reload;
2480 $who->message ("end of reload."); 2432 undef $RELOAD_WATCHER;
2433 });
2481 } 2434 }
2482}; 2435};
2483 2436
2484unshift @INC, $LIBDIR; 2437unshift @INC, $LIBDIR;
2438
2439my $bug_warning = 0;
2485 2440
2486$TICK_WATCHER = Event->timer ( 2441$TICK_WATCHER = Event->timer (
2487 reentrant => 0, 2442 reentrant => 0,
2443 parked => 1,
2488 prio => 0, 2444 prio => 0,
2489 at => $NEXT_TICK || $TICK, 2445 at => $NEXT_TICK || $TICK,
2490 data => WF_AUTOCANCEL, 2446 data => WF_AUTOCANCEL,
2491 cb => sub { 2447 cb => sub {
2448 if ($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
2492 cf::server_tick; # one server iteration 2456 cf::server_tick; # one server iteration
2493 $RUNTIME += $TICK; 2457 $RUNTIME += $TICK;
2494 $NEXT_TICK += $TICK; 2458 $NEXT_TICK += $TICK;
2495 2459
2496 $WAIT_FOR_TICK->broadcast; 2460 $WAIT_FOR_TICK->broadcast;
2504 }, 2468 },
2505); 2469);
2506 2470
2507IO::AIO::max_poll_time $TICK * 0.2; 2471IO::AIO::max_poll_time $TICK * 0.2;
2508 2472
2509Event->io ( 2473$AIO_POLL_WATCHER = Event->io (
2510 fd => IO::AIO::poll_fileno, 2474 fd => IO::AIO::poll_fileno,
2511 poll => 'r', 2475 poll => 'r',
2512 prio => 5, 2476 prio => 5,
2513 data => WF_AUTOCANCEL, 2477 data => WF_AUTOCANCEL,
2514 cb => \&IO::AIO::poll_cb, 2478 cb => \&IO::AIO::poll_cb,
2515); 2479);
2516 2480
2517Event->timer ( 2481$WRITE_RUNTIME_WATCHER = Event->timer (
2518 data => WF_AUTOCANCEL, 2482 data => WF_AUTOCANCEL,
2519 after => 0, 2483 after => 1,
2520 interval => 10, 2484 interval => 10,
2521 cb => sub { 2485 prio => 6, # keep it lowest so it acts like a watchdog
2522 (Coro::unblock_sub { 2486 cb => Coro::unblock_sub {
2523 write_runtime 2487 write_runtime
2524 or warn "ERROR: unable to write runtime file: $!"; 2488 or warn "ERROR: unable to write runtime file: $!";
2525 })->();
2526 }, 2489 },
2527); 2490);
2528 2491
2529END { cf::emergency_save } 2492END { cf::emergency_save }
2530 2493

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