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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 1.234 by root, Thu Apr 5 13:44:31 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
19 21
22use BDB ();
20use Data::Dumper; 23use Data::Dumper;
21use Digest::MD5; 24use Digest::MD5;
22use Fcntl; 25use Fcntl;
26use YAML::Syck ();
23use IO::AIO 2.32 (); 27use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 28use Time::HiRes;
29use Compress::LZF;
26 30
31# configure various modules to our taste
32#
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 36$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 37
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 38# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 39$YAML::Syck::ImplicitUnicode = 1;
33 40
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 41$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 42
43sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44
36our %COMMAND = (); 45our %COMMAND = ();
37our %COMMAND_TIME = (); 46our %COMMAND_TIME = ();
47
48our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 49our %EXTCMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps
39 52
53our $RELOAD; # number of reloads so far
40our @EVENT; 54our @EVENT;
41our $LIBDIR = datadir . "/ext"; 55our $LIBDIR = datadir . "/ext";
42 56
43our $TICK = MAX_TIME * 1e-6; 57our $TICK = MAX_TIME * 1e-6;
44our $TICK_WATCHER; 58our $TICK_WATCHER;
59our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45our $NEXT_TICK; 61our $NEXT_TICK;
46our $NOW; 62our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off
64
65our $BDB_POLL_WATCHER;
66our $DB_ENV;
47 67
48our %CFG; 68our %CFG;
49 69
50our $UPTIME; $UPTIME ||= time; 70our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 71our $RUNTIME;
52 72
53our %PLAYER; # all users 73our %PLAYER; # all users
54our %MAP; # all maps 74our %MAP; # all maps
55our $LINK_MAP; # the special {link} map 75our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random"; 76our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions 77our $BDB_ENV_DIR = cf::localdir . "/db";
58 78
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81
82# used to convert map paths into valid unix filenames by replacing / by ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61 84
62binmode STDOUT; 85binmode STDOUT;
63binmode STDERR; 86binmode STDERR;
64 87
65# read virtual server time, if available 88# read virtual server time, if available
72mkdir cf::localdir; 95mkdir cf::localdir;
73mkdir cf::localdir . "/" . cf::playerdir; 96mkdir cf::localdir . "/" . cf::playerdir;
74mkdir cf::localdir . "/" . cf::tmpdir; 97mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir; 98mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS; 99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
77 101
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 102our $EMERGENCY_POSITION;
103
104sub cf::map::normalise;
81 105
82############################################################################# 106#############################################################################
83 107
84=head2 GLOBAL VARIABLES 108=head2 GLOBAL VARIABLES
85 109
156} 180}
157 181
158$Event::DIED = sub { 182$Event::DIED = sub {
159 warn "error in event callback: @_"; 183 warn "error in event callback: @_";
160}; 184};
161
162my %ext_pkg;
163my @exts;
164my @hook;
165 185
166=head2 UTILITY FUNCTIONS 186=head2 UTILITY FUNCTIONS
167 187
168=over 4 188=over 4
169 189
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 208 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 209 $d
190 } || "[unable to dump $_[0]: '$@']"; 210 } || "[unable to dump $_[0]: '$@']";
191} 211}
192 212
193use JSON::Syck (); # TODO# replace by JSON::PC once working 213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194 214
195=item $ref = cf::from_json $json 215=item $ref = cf::from_json $json
196 216
197Converts a JSON string into the corresponding perl data structure. 217Converts a JSON string into the corresponding perl data structure.
198 218
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 219=item $json = cf::to_json $ref
207 220
208Converts a perl data structure into its JSON representation. 221Converts a perl data structure into its JSON representation.
209
210=cut
211
212sub to_json($) {
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214 JSON::Syck::Dump $_[0]
215}
216 222
217=item cf::lock_wait $string 223=item cf::lock_wait $string
218 224
219Wait until the given lock is available. See cf::lock_acquire. 225Wait until the given lock is available. See cf::lock_acquire.
220 226
257} 263}
258 264
259sub freeze_mainloop { 265sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 266 return unless $TICK_WATCHER->is_active;
261 267
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 268 my $guard = Coro::guard {
269 $TICK_WATCHER->start;
270 };
263 $TICK_WATCHER->stop; 271 $TICK_WATCHER->stop;
264 $guard 272 $guard
265} 273}
266 274
267=item cf::async { BLOCK } 275=item cf::async { BLOCK }
319 } 327 }
320} 328}
321 329
322=item $coro = cf::async_ext { BLOCK } 330=item $coro = cf::async_ext { BLOCK }
323 331
324Like async, but this coro is automcatially being canceled when the 332Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 333extension calling this is being unloaded.
326 334
327=cut 335=cut
328 336
329sub async_ext(&) { 337sub async_ext(&) {
338 346
339 $coro 347 $coro
340} 348}
341 349
342sub write_runtime { 350sub write_runtime {
351 my $guard = cf::lock_acquire "write_runtime";
352
343 my $runtime = cf::localdir . "/runtime"; 353 my $runtime = cf::localdir . "/runtime";
344 354
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346 or return; 356 or return;
347 357
358 my $value = $cf::RUNTIME + 90 + 10;
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 359 # 10 is the runtime save interval, for a monotonic clock
360 # 60 allows for the watchdog to kill the server.
361
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0 362 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return; 363 and return;
351 364
365 # always fsync - this file is important
352 aio_fsync $fh 366 aio_fsync $fh
353 and return; 367 and return;
354 368
355 close $fh 369 close $fh
356 or return; 370 or return;
359 and return; 373 and return;
360 374
361 1 375 1
362} 376}
363 377
378=item cf::datalog type => key => value, ...
379
380Log a datalog packet of the given type with the given key-value pairs.
381
382=cut
383
384sub datalog($@) {
385 my ($type, %kv) = @_;
386 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387}
388
364=back 389=back
365 390
366=cut 391=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;
489 392
490############################################################################# 393#############################################################################
491 394
492=head2 ATTACHABLE OBJECTS 395=head2 ATTACHABLE OBJECTS
493 396
619our @CB_TYPE = (); # registry for type (cf-object class) based events 522our @CB_TYPE = (); # registry for type (cf-object class) based events
620our @CB_MAP = (); 523our @CB_MAP = ();
621 524
622my %attachment; 525my %attachment;
623 526
527sub cf::attachable::thawer_merge {
528 # simply override everything except _meta
529 local $_[0]{_meta};
530 %{$_[0]} = %{$_[1]};
531}
532
624sub _attach_cb($$$$) { 533sub _attach_cb($$$$) {
625 my ($registry, $event, $prio, $cb) = @_; 534 my ($registry, $event, $prio, $cb) = @_;
626 535
627 use sort 'stable'; 536 use sort 'stable';
628 537
799# object support 708# object support
800 709
801sub reattach { 710sub reattach {
802 # basically do the same as instantiate, without calling instantiate 711 # basically do the same as instantiate, without calling instantiate
803 my ($obj) = @_; 712 my ($obj) = @_;
713
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804 715
805 my $registry = $obj->registry; 716 my $registry = $obj->registry;
806 717
807 @$registry = (); 718 @$registry = ();
808 719
855 $filename, length $$rdata, scalar @$objs; 766 $filename, length $$rdata, scalar @$objs;
856 767
857 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858 chmod SAVE_MODE, $fh; 769 chmod SAVE_MODE, $fh;
859 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 770 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860 aio_fsync $fh; 771 aio_fsync $fh if $cf::USE_FSYNC;
861 close $fh; 772 close $fh;
862 773
863 if (@$objs) { 774 if (@$objs) {
864 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 775 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865 chmod SAVE_MODE, $fh; 776 chmod SAVE_MODE, $fh;
866 my $data = Storable::nfreeze { version => 1, objs => $objs }; 777 my $data = Storable::nfreeze { version => 1, objs => $objs };
867 aio_write $fh, 0, (length $data), $data, 0; 778 aio_write $fh, 0, (length $data), $data, 0;
868 aio_fsync $fh; 779 aio_fsync $fh if $cf::USE_FSYNC;
869 close $fh; 780 close $fh;
870 aio_rename "$filename.pst~", "$filename.pst"; 781 aio_rename "$filename.pst~", "$filename.pst";
871 } 782 }
872 } else { 783 } else {
873 aio_unlink "$filename.pst"; 784 aio_unlink "$filename.pst";
940=cut 851=cut
941 852
942sub register_extcmd { 853sub register_extcmd {
943 my ($name, $cb) = @_; 854 my ($name, $cb) = @_;
944 855
945 my $caller = caller;
946 #warn "registering extcmd '$name' to '$caller'";
947
948 $EXTCMD{$name} = [$cb, $caller]; 856 $EXTCMD{$name} = $cb;
949} 857}
950 858
951cf::player->attach ( 859cf::player->attach (
952 on_command => sub { 860 on_command => sub {
953 my ($pl, $name, $params) = @_; 861 my ($pl, $name, $params) = @_;
966 874
967 my $msg = eval { from_json $buf }; 875 my $msg = eval { from_json $buf };
968 876
969 if (ref $msg) { 877 if (ref $msg) {
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 878 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971 if (my %reply = $cb->[0]->($pl, $msg)) { 879 if (my %reply = $cb->($pl, $msg)) {
972 $pl->ext_reply ($msg->{msgid}, %reply); 880 $pl->ext_reply ($msg->{msgid}, %reply);
973 } 881 }
974 } 882 }
975 } else { 883 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
978 886
979 cf::override; 887 cf::override;
980 }, 888 },
981); 889);
982 890
983sub register {
984 my ($base, $pkg) = @_;
985
986 #TODO
987}
988
989sub load_extension { 891sub load_extension {
990 my ($path) = @_; 892 my ($path) = @_;
991 893
992 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
993 my $base = $1; 895 my $base = $1;
994 my $pkg = $1; 896 my $pkg = $1;
995 $pkg =~ s/[^[:word:]]/_/g; 897 $pkg =~ s/[^[:word:]]/_/g;
996 $pkg = "ext::$pkg"; 898 $pkg = "ext::$pkg";
997 899
998 warn "loading '$path' into '$pkg'\n"; 900 warn "... loading '$path' into '$pkg'\n";
999 901
1000 open my $fh, "<:utf8", $path 902 open my $fh, "<:utf8", $path
1001 or die "$path: $!"; 903 or die "$path: $!";
1002 904
1003 my $source = 905 my $source =
1004 "package $pkg; use strict; use utf8;\n" 906 "package $pkg; use strict; use utf8;\n"
1005 . "#line 1 \"$path\"\n{\n" 907 . "#line 1 \"$path\"\n{\n"
1006 . (do { local $/; <$fh> }) 908 . (do { local $/; <$fh> })
1007 . "\n};\n1"; 909 . "\n};\n1";
1008 910
1009 eval $source 911 unless (eval $source) {
1010 or die $@ ? "$path: $@\n" 912 my $msg = $@ ? "$path: $@\n"
1011 : "extension disabled.\n"; 913 : "extension disabled.\n";
1012 914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013 push @exts, $pkg; 915 warn $@;
1014 $ext_pkg{$base} = $pkg; 916 warn "mandatory extension failed to load, exiting.\n";
1015 917 exit 1;
1016# no strict 'refs'; 918 }
1017# @{"$pkg\::ISA"} = ext::; 919 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# } 920 }
1032 921
1033 # remove commands 922 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} 923}
1058 924
1059sub load_extensions { 925sub load_extensions {
1060 for my $ext (<$LIBDIR/*.ext>) { 926 for my $ext (<$LIBDIR/*.ext>) {
1061 next unless -r $ext; 927 next unless -r $ext;
1065 } or warn "$ext not loaded: $@"; 931 } or warn "$ext not loaded: $@";
1066 } 932 }
1067} 933}
1068 934
1069############################################################################# 935#############################################################################
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 936
1085=head2 CORE EXTENSIONS 937=head2 CORE EXTENSIONS
1086 938
1087Functions and methods that extend core crossfire objects. 939Functions and methods that extend core crossfire objects.
1088 940
1111} 963}
1112 964
1113sub path($) { 965sub path($) {
1114 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115 967
1116 (playerdir $login) . "/$login.pl" 968 (playerdir $login) . "/playerdata"
1117} 969}
1118 970
1119sub find_active($) { 971sub find_active($) {
1120 $cf::PLAYER{$_[0]} 972 $cf::PLAYER{$_[0]}
1121 and $cf::PLAYER{$_[0]}->active 973 and $cf::PLAYER{$_[0]}->active
1124 976
1125sub exists($) { 977sub exists($) {
1126 my ($login) = @_; 978 my ($login) = @_;
1127 979
1128 $cf::PLAYER{$login} 980 $cf::PLAYER{$login}
1129 or cf::sync_job { !aio_stat $login } 981 or cf::sync_job { !aio_stat path $login }
1130} 982}
1131 983
1132sub find($) { 984sub find($) {
1133 return $cf::PLAYER{$_[0]} || do { 985 return $cf::PLAYER{$_[0]} || do {
1134 my $login = $_[0]; 986 my $login = $_[0];
1135 987
1136 my $guard = cf::lock_acquire "user_find:$login"; 988 my $guard = cf::lock_acquire "user_find:$login";
1137 989
1138 $cf::PLAYER{$_[0]} || do { 990 $cf::PLAYER{$_[0]} || do {
991 # rename old playerfiles to new ones
992 #TODO: remove when no longer required
993 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995 aio_unlink +(playerdir $login) . "/$login.pl.pst";
996 aio_unlink +(playerdir $login) . "/$login.pl";
997
1139 my $pl = load_pl path $login 998 my $pl = load_pl path $login
1140 or return; 999 or return;
1141 $cf::PLAYER{$login} = $pl 1000 $cf::PLAYER{$login} = $pl
1142 } 1001 }
1143 } 1002 }
1180 1039
1181=cut 1040=cut
1182 1041
1183sub quit_character { 1042sub quit_character {
1184 my ($pl) = @_; 1043 my ($pl) = @_;
1044
1045 my $name = $pl->ob->name;
1185 1046
1186 $pl->{deny_save} = 1; 1047 $pl->{deny_save} = 1;
1187 $pl->password ("*"); # this should lock out the player until we nuked the dir 1048 $pl->password ("*"); # this should lock out the player until we nuked the dir
1188 1049
1189 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1050 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1194 my $path = playerdir $pl; 1055 my $path = playerdir $pl;
1195 my $temp = "$path~$cf::RUNTIME~deleting~"; 1056 my $temp = "$path~$cf::RUNTIME~deleting~";
1196 aio_rename $path, $temp; 1057 aio_rename $path, $temp;
1197 delete $cf::PLAYER{$pl->ob->name}; 1058 delete $cf::PLAYER{$pl->ob->name};
1198 $pl->destroy; 1059 $pl->destroy;
1060
1061 my $prefix = qr<^~\Q$name\E/>;
1062
1063 # nuke player maps
1064 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1065
1199 IO::AIO::aio_rmtree $temp; 1066 IO::AIO::aio_rmtree $temp;
1067}
1068
1069=item $pl->kick
1070
1071Kicks a player out of the game. This destroys the connection.
1072
1073=cut
1074
1075sub kick {
1076 my ($pl, $kicker) = @_;
1077
1078 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1079 $pl->killer ("kicked");
1080 $pl->ns->destroy;
1200} 1081}
1201 1082
1202=item cf::player::list_logins 1083=item cf::player::list_logins
1203 1084
1204Returns am arrayref of all valid playernames in the system, can take a 1085Returns am arrayref of all valid playernames in the system, can take a
1224 \@logins 1105 \@logins
1225} 1106}
1226 1107
1227=item $player->maps 1108=item $player->maps
1228 1109
1229Returns an arrayref of cf::path's of all maps that are private for this 1110Returns an arrayref of map paths that are private for this
1230player. May block. 1111player. May block.
1231 1112
1232=cut 1113=cut
1233 1114
1234sub maps($) { 1115sub maps($) {
1235 my ($pl) = @_; 1116 my ($pl) = @_;
1117
1118 $pl = ref $pl ? $pl->ob->name : $pl;
1236 1119
1237 my $files = aio_readdir playerdir $pl 1120 my $files = aio_readdir playerdir $pl
1238 or return; 1121 or return;
1239 1122
1240 my @paths; 1123 my @paths;
1241 1124
1242 for (@$files) { 1125 for (@$files) {
1243 utf8::decode $_; 1126 utf8::decode $_;
1244 next if /\.(?:pl|pst)$/; 1127 next if /\.(?:pl|pst)$/;
1245 next unless /^$PATH_SEP/; 1128 next unless /^$PATH_SEP/o;
1246 1129
1247 s/$PATH_SEP/\//g; 1130 push @paths, cf::map::normalise "~$pl/$_";
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249 } 1131 }
1250 1132
1251 \@paths 1133 \@paths
1252} 1134}
1253 1135
1254=item $player->ext_reply ($msgid, $msgtype, %msg) 1136=item $player->ext_reply ($msgid, %msg)
1255 1137
1256Sends an ext reply to the player. 1138Sends an ext reply to the player.
1257 1139
1258=cut 1140=cut
1259 1141
1260sub ext_reply($$$%) { 1142sub ext_reply($$%) {
1261 my ($self, $id, %msg) = @_; 1143 my ($self, $id, %msg) = @_;
1262 1144
1263 $msg{msgid} = $id; 1145 $msg{msgid} = $id;
1264 1146
1265 $self->send ("ext " . cf::to_json \%msg); 1147 $self->send ("ext " . cf::to_json \%msg);
1148}
1149
1150=item $player->ext_event ($type, %msg)
1151
1152Sends an ext event to the client.
1153
1154=cut
1155
1156sub ext_event($$%) {
1157 my ($self, $type, %msg) = @_;
1158
1159 $self->ns->ext_event ($type, %msg);
1266} 1160}
1267 1161
1268package cf; 1162package cf;
1269 1163
1270=back 1164=back
1279package cf::map; 1173package cf::map;
1280 1174
1281use Fcntl; 1175use Fcntl;
1282use Coro::AIO; 1176use Coro::AIO;
1283 1177
1178use overload
1179 '""' => \&as_string,
1180 fallback => 1;
1181
1284our $MAX_RESET = 3600; 1182our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1183our $DEFAULT_RESET = 3000;
1286 1184
1287sub generate_random_map { 1185sub generate_random_map {
1288 my ($path, $rmp) = @_; 1186 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1187 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1188 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1189 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1190 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1191 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1192 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1193 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1194 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1195 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1196 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1197 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1198 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (cf::region::find $rmp->{region}) 1199 (cf::region::find $rmp->{region}), $rmp->{custom}
1200 )
1201}
1202
1203=item cf::map->register ($regex, $prio)
1204
1205Register a handler for the map path matching the given regex at the
1206givne priority (higher is better, built-in handlers have priority 0, the
1207default).
1208
1209=cut
1210
1211sub register {
1212 my (undef, $regex, $prio) = @_;
1213 my $pkg = caller;
1214
1215 no strict;
1216 push @{"$pkg\::ISA"}, __PACKAGE__;
1217
1218 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1219}
1220
1221# also paths starting with '/'
1222$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1223
1224sub thawer_merge {
1225 my ($self, $merge) = @_;
1226
1227 # we have to keep some variables in memory intact
1228 local $self->{path};
1229 local $self->{load_path};
1230 local $self->{deny_save};
1231 local $self->{deny_reset};
1232
1233 $self->SUPER::thawer_merge ($merge);
1234}
1235
1236sub normalise {
1237 my ($path, $base) = @_;
1238
1239 $path = "$path"; # make sure its a string
1240
1241 $path =~ s/\.map$//;
1242
1243 # map plan:
1244 #
1245 # /! non-realised random map exit (special hack!)
1246 # {... are special paths that are not being touched
1247 # ?xxx/... are special absolute paths
1248 # ?random/... random maps
1249 # /... normal maps
1250 # ~user/... per-player map of a specific user
1251
1252 $path =~ s/$PATH_SEP/\//go;
1253
1254 # treat it as relative path if it starts with
1255 # something that looks reasonable
1256 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1257 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1258
1259 $base =~ s{[^/]+/?$}{};
1260 $path = "$base/$path";
1261 }
1262
1263 for ($path) {
1264 redo if s{//}{/};
1265 redo if s{/\.?/}{/};
1266 redo if s{/[^/]+/\.\./}{/};
1267 }
1268
1269 $path
1270}
1271
1272sub new_from_path {
1273 my (undef, $path, $base) = @_;
1274
1275 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1276
1277 $path = normalise $path, $base;
1278
1279 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1280 if ($path =~ $EXT_MAP{$pkg}[1]) {
1281 my $self = bless cf::map::new, $pkg;
1282 $self->{path} = $path; $self->path ($path);
1283 $self->init; # pass $1 etc.
1284 return $self;
1285 }
1286 }
1287
1288 Carp::carp "unable to resolve path '$path' (base '$base').";
1289 ()
1290}
1291
1292sub init {
1293 my ($self) = @_;
1294
1295 $self
1296}
1297
1298sub as_string {
1299 my ($self) = @_;
1300
1301 "$self->{path}"
1302}
1303
1304# the displayed name, this is a one way mapping
1305sub visible_name {
1306 &as_string
1307}
1308
1309# the original (read-only) location
1310sub load_path {
1311 my ($self) = @_;
1312
1313 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1314}
1315
1316# the temporary/swap location
1317sub save_path {
1318 my ($self) = @_;
1319
1320 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1322}
1323
1324# the unique path, undef == no special unique path
1325sub uniq_path {
1326 my ($self) = @_;
1327
1328 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304} 1330}
1305 1331
1306# and all this just because we cannot iterate over 1332# and all this just because we cannot iterate over
1307# all maps in C++... 1333# all maps in C++...
1308sub change_all_map_light { 1334sub change_all_map_light {
1310 1336
1311 $_->change_map_light ($change) 1337 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1338 for grep $_->outdoor, values %cf::MAP;
1313} 1339}
1314 1340
1341sub unlink_save {
1342 my ($self) = @_;
1343
1344 utf8::encode (my $save = $self->save_path);
1345 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1346 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1347}
1348
1315sub try_load_header($) { 1349sub load_header_from($) {
1316 my ($path) = @_; 1350 my ($self, $path) = @_;
1317 1351
1318 utf8::encode $path; 1352 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1353 #aio_open $path, O_RDONLY, 0
1354 # or return;
1355
1356 $self->_load_header ($path)
1320 or return; 1357 or return;
1321 1358
1322 my $map = cf::map::new 1359 $self->{load_path} = $path;
1360
1361 1
1362}
1363
1364sub load_header_orig {
1365 my ($self) = @_;
1366
1367 $self->load_header_from ($self->load_path)
1368}
1369
1370sub load_header_temp {
1371 my ($self) = @_;
1372
1373 $self->load_header_from ($self->save_path)
1374}
1375
1376sub prepare_temp {
1377 my ($self) = @_;
1378
1379 $self->last_access ((delete $self->{last_access})
1380 || $cf::RUNTIME); #d#
1381 # safety
1382 $self->{instantiate_time} = $cf::RUNTIME
1383 if $self->{instantiate_time} > $cf::RUNTIME;
1384}
1385
1386sub prepare_orig {
1387 my ($self) = @_;
1388
1389 $self->{load_original} = 1;
1390 $self->{instantiate_time} = $cf::RUNTIME;
1391 $self->last_access ($cf::RUNTIME);
1392 $self->instantiate;
1393}
1394
1395sub load_header {
1396 my ($self) = @_;
1397
1398 if ($self->load_header_temp) {
1399 $self->prepare_temp;
1400 } else {
1401 $self->load_header_orig
1323 or return; 1402 or return;
1403 $self->prepare_orig;
1404 }
1324 1405
1325 # for better error messages only, will be overwritten 1406 1
1326 $map->path ($path);
1327
1328 $map->load_header ($path)
1329 or return;
1330
1331 $map->{load_path} = $path;
1332
1333 $map
1334} 1407}
1335 1408
1336sub find; 1409sub find;
1337sub find { 1410sub find {
1338 my ($path, $origin) = @_; 1411 my ($path, $origin) = @_;
1339 1412
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1413 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1414
1345 cf::lock_wait "map_find:$key"; 1415 cf::lock_wait "map_find:$path";
1346 1416
1347 $cf::MAP{$key} || do { 1417 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1418 my $guard = cf::lock_acquire "map_find:$path";
1349 1419 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; 1420 or return;
1369 1421
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; 1422 $map->{last_save} = $cf::RUNTIME;
1382 1423
1383 Coro::cede; 1424 $map->load_header
1425 or return;
1384 1426
1385 if ($map->should_reset) { 1427 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1428 # doing this can freeze the server in a sync job, obviously
1429 #$cf::WAIT_FOR_TICK->wait;
1386 $map->reset; 1430 $map->reset;
1387 undef $guard; 1431 undef $guard;
1388 $map = find $path 1432 return find $path;
1389 or return;
1390 } 1433 }
1391 1434
1392 $cf::MAP{$key} = $map 1435 $cf::MAP{$path} = $map
1393 } 1436 }
1394} 1437}
1438
1439sub pre_load { }
1440sub post_load { }
1395 1441
1396sub load { 1442sub load {
1397 my ($self) = @_; 1443 my ($self) = @_;
1398 1444
1445 local $self->{deny_reset} = 1; # loading can take a long time
1446
1399 my $path = $self->{path}; 1447 my $path = $self->{path};
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1448 my $guard = cf::lock_acquire "map_load:$path";
1401 1449
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1450 return if $self->in_memory != cf::MAP_SWAPPED;
1403 1451
1404 $self->in_memory (cf::MAP_LOADING); 1452 $self->in_memory (cf::MAP_LOADING);
1405 1453
1406 $self->alloc; 1454 $self->alloc;
1455
1456 $self->pre_load;
1457
1407 $self->load_objects ($self->{load_path}, 1) 1458 $self->_load_objects ($self->{load_path}, 1)
1408 or return; 1459 or return;
1409 1460
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1461 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1462 if delete $self->{load_original};
1412 1463
1413 if (my $uniq = $path->uniq_path) { 1464 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1465 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1466 if (aio_open $uniq, O_RDONLY, 0) {
1416 $self->clear_unique_items; 1467 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1468 $self->_load_objects ($uniq, 0);
1418 } 1469 }
1419 } 1470 }
1420 1471
1421 Coro::cede; 1472 Coro::cede;
1422 1473
1423 # now do the right thing for maps 1474 # now do the right thing for maps
1424 $self->link_multipart_objects; 1475 $self->link_multipart_objects;
1425 1476
1426 if ($self->{path}->is_style_map) { 1477 unless ($self->{deny_activate}) {
1427 $self->{deny_save} = 1; 1478 $self->decay_objects;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply; 1479 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons; 1480 $self->update_buttons;
1481 Coro::cede;
1433 $self->set_darkness_map; 1482 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 1483 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1484 unless $self->difficulty;
1485 Coro::cede;
1436 $self->activate; 1486 $self->activate;
1437 } 1487 }
1438 1488
1439 Coro::cede; 1489 $self->post_load;
1440 1490
1441 $self->in_memory (cf::MAP_IN_MEMORY); 1491 $self->in_memory (cf::MAP_IN_MEMORY);
1492}
1493
1494sub customise_for {
1495 my ($self, $ob) = @_;
1496
1497 return find "~" . $ob->name . "/" . $self->{path}
1498 if $self->per_player;
1499
1500 $self
1442} 1501}
1443 1502
1444# find and load all maps in the 3x3 area around a map 1503# find and load all maps in the 3x3 area around a map
1445sub load_diag { 1504sub load_diag {
1446 my ($map) = @_; 1505 my ($map) = @_;
1476 1535
1477 cf::sync_job { $map->load }; 1536 cf::sync_job { $map->load };
1478} 1537}
1479 1538
1480our %MAP_PREFETCH; 1539our %MAP_PREFETCH;
1481our $MAP_PREFETCHER = Coro::async { 1540our $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 $map->load;
1491 }
1492 Coro::schedule;
1493 }
1494};
1495 1541
1496sub find_async { 1542sub find_async {
1497 my ($path, $origin) = @_; 1543 my ($path, $origin) = @_;
1498 1544
1499 $path = new cf::path $path, $origin && $origin->path; 1545 $path = normalise $path, $origin && $origin->{path};
1500 my $key = $path->as_string;
1501 1546
1502 if (my $map = $cf::MAP{$key}) { 1547 if (my $map = $cf::MAP{$path}) {
1503 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1548 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504 } 1549 }
1505 1550
1506 $MAP_PREFETCH{$key} = $path; 1551 undef $MAP_PREFETCH{$path};
1552 $MAP_PREFETCHER ||= cf::async {
1553 while (%MAP_PREFETCH) {
1554 for my $path (keys %MAP_PREFETCH) {
1555 my $map = find $path
1556 or next;
1557 $map->load;
1558
1559 delete $MAP_PREFETCH{$path};
1560 }
1561 }
1562 undef $MAP_PREFETCHER;
1563 };
1507 $MAP_PREFETCHER->ready; 1564 $MAP_PREFETCHER->prio (6);
1508 1565
1509 () 1566 ()
1510} 1567}
1511 1568
1512sub save { 1569sub save {
1516 1573
1517 $self->{last_save} = $cf::RUNTIME; 1574 $self->{last_save} = $cf::RUNTIME;
1518 1575
1519 return unless $self->dirty; 1576 return unless $self->dirty;
1520 1577
1521 my $save = $self->{path}->save_path; utf8::encode $save; 1578 my $save = $self->save_path; utf8::encode $save;
1522 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1579 my $uniq = $self->uniq_path; utf8::encode $uniq;
1523 1580
1524 $self->{load_path} = $save; 1581 $self->{load_path} = $save;
1525 1582
1526 return if $self->{deny_save}; 1583 return if $self->{deny_save};
1527 1584
1530 cf::async { 1587 cf::async {
1531 $_->contr->save for $self->players; 1588 $_->contr->save for $self->players;
1532 }; 1589 };
1533 1590
1534 if ($uniq) { 1591 if ($uniq) {
1535 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1592 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->save_objects ($uniq, cf::IO_UNIQUES); 1593 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 1594 } else {
1538 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1595 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539 } 1596 }
1540} 1597}
1541 1598
1542sub swap_out { 1599sub swap_out {
1543 my ($self) = @_; 1600 my ($self) = @_;
1557 1614
1558sub reset_at { 1615sub reset_at {
1559 my ($self) = @_; 1616 my ($self) = @_;
1560 1617
1561 # TODO: safety, remove and allow resettable per-player maps 1618 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->{path}{user_rel}; 1619 return 1e99 if $self->isa ("ext::map_per_player");#d#
1563 return 1e99 if $self->{deny_reset}; 1620 return 1e99 if $self->{deny_reset};
1564 1621
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1622 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1623 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567 1624
1572 my ($self) = @_; 1629 my ($self) = @_;
1573 1630
1574 $self->reset_at <= $cf::RUNTIME 1631 $self->reset_at <= $cf::RUNTIME
1575} 1632}
1576 1633
1577sub unlink_save {
1578 my ($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 $self->save;
1596}
1597
1598sub reset { 1634sub reset {
1599 my ($self) = @_; 1635 my ($self) = @_;
1600 1636
1601 my $lock = cf::lock_acquire "map_data:" . $self->path; 1637 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 1638
1603 return if $self->players; 1639 return if $self->players;
1604 return if $self->{path}{user_rel};#d# 1640 return if $self->isa ("ext::map_per_player");#d#
1605 1641
1606 warn "resetting map ", $self->path;#d# 1642 warn "resetting map ", $self->path;#d#
1607 1643
1644 $self->in_memory (cf::MAP_SWAPPED);
1645
1646 # need to save uniques path
1647 unless ($self->{deny_save}) {
1648 my $uniq = $self->uniq_path; utf8::encode $uniq;
1649
1650 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1651 if $uniq;
1652 }
1653
1608 delete $cf::MAP{$self->path}; 1654 delete $cf::MAP{$self->path};
1655
1656 $self->clear;
1609 1657
1610 $_->clear_links_to ($self) for values %cf::MAP; 1658 $_->clear_links_to ($self) for values %cf::MAP;
1611 1659
1612 $self->unlink_save; 1660 $self->unlink_save;
1613 $self->destroy; 1661 $self->destroy;
1616my $nuke_counter = "aaaa"; 1664my $nuke_counter = "aaaa";
1617 1665
1618sub nuke { 1666sub nuke {
1619 my ($self) = @_; 1667 my ($self) = @_;
1620 1668
1669 delete $cf::MAP{$self->path};
1670
1671 $self->unlink_save;
1672
1673 bless $self, "cf::map";
1674 delete $self->{deny_reset};
1621 $self->{deny_save} = 1; 1675 $self->{deny_save} = 1;
1622 $self->reset_timeout (1); 1676 $self->reset_timeout (1);
1623 $self->rename ("{nuke}/" . ($nuke_counter++)); 1677 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678
1679 $cf::MAP{$self->path} = $self;
1680
1624 $self->reset; # polite request, might not happen 1681 $self->reset; # polite request, might not happen
1625} 1682}
1626 1683
1627sub customise_for { 1684=item cf::map::unique_maps
1628 my ($map, $ob) = @_;
1629 1685
1630 if ($map->per_player) { 1686Returns an arrayref of paths of all shared maps that have
1631 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1687instantiated unique items. May block.
1632 }
1633 1688
1634 $map 1689=cut
1690
1691sub unique_maps() {
1692 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1693 or return;
1694
1695 my @paths;
1696
1697 for (@$files) {
1698 utf8::decode $_;
1699 next if /\.pst$/;
1700 next unless /^$PATH_SEP/o;
1701
1702 push @paths, cf::map::normalise $_;
1703 }
1704
1705 \@paths
1635} 1706}
1636 1707
1637package cf; 1708package cf;
1638 1709
1639=back 1710=back
1711 1782
1712=item $player_object->enter_link 1783=item $player_object->enter_link
1713 1784
1714Freezes the player and moves him/her to a special map (C<{link}>). 1785Freezes the player and moves him/her to a special map (C<{link}>).
1715 1786
1716The player should be reaosnably safe there for short amounts of time. You 1787The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 1788I<MUST> call C<leave_link> as soon as possible, though.
1718 1789
1790Will never block.
1791
1719=item $player_object->leave_link ($map, $x, $y) 1792=item $player_object->leave_link ($map, $x, $y)
1720 1793
1721Moves the player out of the specila link map onto the given map. If the 1794Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 1795map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 1796to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 1797fails, to the emergency map position.
1725 1798
1726Might block. 1799Might block.
1727 1800
1728=cut 1801=cut
1802
1803sub link_map {
1804 unless ($LINK_MAP) {
1805 $LINK_MAP = cf::map::find "{link}"
1806 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1807 $LINK_MAP->load;
1808 }
1809
1810 $LINK_MAP
1811}
1729 1812
1730sub cf::object::player::enter_link { 1813sub cf::object::player::enter_link {
1731 my ($self) = @_; 1814 my ($self) = @_;
1732 1815
1733 $self->deactivate_recursive; 1816 $self->deactivate_recursive;
1734 1817
1735 return if $self->map == $LINK_MAP; 1818 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1819
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1820 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1821 if $self->map;
1739 1822
1740 $self->enter_map ($LINK_MAP, 20, 20); 1823 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 1824}
1742 1825
1743sub cf::object::player::leave_link { 1826sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1827 my ($self, $map, $x, $y) = @_;
1745 1828
1767 $map->load; 1850 $map->load;
1768 $map->load_diag; 1851 $map->load_diag;
1769 1852
1770 return unless $self->contr->active; 1853 return unless $self->contr->active;
1771 $self->activate_recursive; 1854 $self->activate_recursive;
1855
1856 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772 $self->enter_map ($map, $x, $y); 1857 $self->enter_map ($map, $x, $y);
1773} 1858}
1774 1859
1775cf::player->attach ( 1860cf::player->attach (
1776 on_logout => sub { 1861 on_logout => sub {
1789 # try to abort aborted map switching on player login :) 1874 # try to abort aborted map switching on player login :)
1790 # should happen only on crashes 1875 # should happen only on crashes
1791 if ($pl->ob->{_link_pos}) { 1876 if ($pl->ob->{_link_pos}) {
1792 $pl->ob->enter_link; 1877 $pl->ob->enter_link;
1793 (async { 1878 (async {
1794 # we need this sleep as the login has a concurrent enter_exit running
1795 # and this sleep increases chances of the player not ending up in scorn
1796 $pl->ob->reply (undef, 1879 $pl->ob->reply (undef,
1797 "There was an internal problem at your last logout, " 1880 "There was an internal problem at your last logout, "
1798 . "the server will try to bring you to your intended destination in a second.", 1881 . "the server will try to bring you to your intended destination in a second.",
1799 cf::NDI_RED); 1882 cf::NDI_RED);
1883 # we need this sleep as the login has a concurrent enter_exit running
1884 # and this sleep increases chances of the player not ending up in scorn
1800 Coro::Timer::sleep 1; 1885 Coro::Timer::sleep 1;
1801 $pl->ob->leave_link; 1886 $pl->ob->leave_link;
1802 })->prio (2); 1887 })->prio (2);
1803 } 1888 }
1804 }, 1889 },
1809=cut 1894=cut
1810 1895
1811sub cf::object::player::goto { 1896sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1897 my ($self, $path, $x, $y) = @_;
1813 1898
1814 $path = new cf::path $path;
1815 $path ne "/" or Carp::cluck ("oy");#d#
1816
1817 $self->enter_link; 1899 $self->enter_link;
1818 1900
1819 (async { 1901 (async {
1902 my $map = eval {
1820 my $map = cf::map::find $path->as_string; 1903 my $map = cf::map::find $path;
1821 $map = $map->customise_for ($self) if $map; 1904 $map = $map->customise_for ($self) if $map;
1822 1905 $map
1823# warn "entering ", $map->path, " at ($x, $y)\n" 1906 } or
1824# if $map;
1825
1826 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1907 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1827 1908
1828 $self->leave_link ($map, $x, $y); 1909 $self->leave_link ($map, $x, $y);
1829 })->prio (1); 1910 })->prio (1);
1830} 1911}
1831 1912
1835 1916
1836sub parse_random_map_params { 1917sub parse_random_map_params {
1837 my ($spec) = @_; 1918 my ($spec) = @_;
1838 1919
1839 my $rmp = { # defaults 1920 my $rmp = { # defaults
1840 xsize => 10, 1921 xsize => (cf::rndm 15, 40),
1841 ysize => 10, 1922 ysize => (cf::rndm 15, 40),
1923 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1924 #layout => string,
1842 }; 1925 };
1843 1926
1844 for (split /\n/, $spec) { 1927 for (split /\n/, $spec) {
1845 my ($k, $v) = split /\s+/, $_, 2; 1928 my ($k, $v) = split /\s+/, $_, 2;
1846 1929
1850 $rmp 1933 $rmp
1851} 1934}
1852 1935
1853sub prepare_random_map { 1936sub prepare_random_map {
1854 my ($exit) = @_; 1937 my ($exit) = @_;
1938
1939 my $guard = cf::lock_acquire "exit_prepare:$exit";
1855 1940
1856 # all this does is basically replace the /! path by 1941 # all this does is basically replace the /! path by
1857 # a new random map path (?random/...) with a seed 1942 # a new random map path (?random/...) with a seed
1858 # that depends on the exit object 1943 # that depends on the exit object
1859 1944
1860 my $rmp = parse_random_map_params $exit->msg; 1945 my $rmp = parse_random_map_params $exit->msg;
1861 1946
1862 if ($exit->map) { 1947 if ($exit->map) {
1863 $rmp->{region} = $exit->map->region_name; 1948 $rmp->{region} = $exit->region->name;
1864 $rmp->{origin_map} = $exit->map->path; 1949 $rmp->{origin_map} = $exit->map->path;
1865 $rmp->{origin_x} = $exit->x; 1950 $rmp->{origin_x} = $exit->x;
1866 $rmp->{origin_y} = $exit->y; 1951 $rmp->{origin_y} = $exit->y;
1867 } 1952 }
1868 1953
1869 $rmp->{random_seed} ||= $exit->random_seed; 1954 $rmp->{random_seed} ||= $exit->random_seed;
1870 1955
1871 my $data = cf::to_json $rmp; 1956 my $data = cf::to_json $rmp;
1872 my $md5 = Digest::MD5::md5_hex $data; 1957 my $md5 = Digest::MD5::md5_hex $data;
1958 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873 1959
1874 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1960 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875 aio_write $fh, 0, (length $data), $data, 0; 1961 aio_write $fh, 0, (length $data), $data, 0;
1962 undef $fh;
1963 aio_rename "$meta~", $meta;
1876 1964
1877 $exit->slaying ("?random/$md5"); 1965 $exit->slaying ("?random/$md5");
1878 $exit->msg (undef); 1966 $exit->msg (undef);
1879 } 1967 }
1880} 1968}
1881 1969
1882sub cf::object::player::enter_exit { 1970sub cf::object::player::enter_exit {
1883 my ($self, $exit) = @_; 1971 my ($self, $exit) = @_;
1884 1972
1885 return unless $self->type == cf::PLAYER; 1973 return unless $self->type == cf::PLAYER;
1974
1975 if ($exit->slaying eq "/!") {
1976 #TODO: this should de-fi-ni-te-ly not be a sync-job
1977 # the problem is that $exit might not survive long enough
1978 # so it needs to be done right now, right here
1979 cf::sync_job { prepare_random_map $exit };
1980 }
1981
1982 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983 my $hp = $exit->stats->hp;
1984 my $sp = $exit->stats->sp;
1886 1985
1887 $self->enter_link; 1986 $self->enter_link;
1888 1987
1889 (async { 1988 (async {
1890 $self->deactivate_recursive; # just to be sure 1989 $self->deactivate_recursive; # just to be sure
1891 unless (eval { 1990 unless (eval {
1892 prepare_random_map $exit 1991 $self->goto ($slaying, $hp, $sp);
1893 if $exit->slaying eq "/!";
1894
1895 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897 1992
1898 1; 1993 1;
1899 }) { 1994 }) {
1900 $self->message ("Something went wrong deep within the crossfire server. " 1995 $self->message ("Something went wrong deep within the crossfire server. "
1901 . "I'll try to bring you back to the map you were before. " 1996 . "I'll try to bring you back to the map you were before. "
1902 . "Please report this to the dungeon master", 1997 . "Please report this to the dungeon master!",
1903 cf::NDI_UNIQUE | cf::NDI_RED); 1998 cf::NDI_UNIQUE | cf::NDI_RED);
1904 1999
1905 warn "ERROR in enter_exit: $@"; 2000 warn "ERROR in enter_exit: $@";
1906 $self->leave_link; 2001 $self->leave_link;
1907 } 2002 }
1908 })->prio (1); 2003 })->prio (1);
1921 2016
1922sub cf::client::send_drawinfo { 2017sub cf::client::send_drawinfo {
1923 my ($self, $text, $flags) = @_; 2018 my ($self, $text, $flags) = @_;
1924 2019
1925 utf8::encode $text; 2020 utf8::encode $text;
1926 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2021 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927} 2022}
1928 2023
2024=item $client->ext_event ($type, %msg)
2025
2026Sends an exti event to the client.
2027
2028=cut
2029
2030sub cf::client::ext_event($$%) {
2031 my ($self, $type, %msg) = @_;
2032
2033 $msg{msgtype} = "event_$type";
2034 $self->send_packet ("ext " . cf::to_json \%msg);
2035}
1929 2036
1930=item $success = $client->query ($flags, "text", \&cb) 2037=item $success = $client->query ($flags, "text", \&cb)
1931 2038
1932Queues a query to the client, calling the given callback with 2039Queues a query to the client, calling the given callback with
1933the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2040the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1962 # get handled first 2069 # get handled first
1963 my $queue = delete $ns->{query_queue} 2070 my $queue = delete $ns->{query_queue}
1964 or return; # be conservative, not sure how that can happen, but we saw a crash here 2071 or return; # be conservative, not sure how that can happen, but we saw a crash here
1965 2072
1966 (shift @$queue)->[1]->($msg); 2073 (shift @$queue)->[1]->($msg);
2074 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967 2075
1968 push @{ $ns->{query_queue} }, @$queue; 2076 push @{ $ns->{query_queue} }, @$queue;
1969 2077
1970 if (@{ $ns->{query_queue} } == @$queue) { 2078 if (@{ $ns->{query_queue} } == @$queue) {
1971 if (@$queue) { 2079 if (@$queue) {
2029 2137
2030# here we export the classes and methods available to script code 2138# here we export the classes and methods available to script code
2031 2139
2032=pod 2140=pod
2033 2141
2034The following fucntions and emthods are available within a safe environment: 2142The following functions and methods are available within a safe environment:
2035 2143
2036 cf::object contr pay_amount pay_player map 2144 cf::object contr pay_amount pay_player map
2037 cf::object::player player 2145 cf::object::player player
2038 cf::player peaceful 2146 cf::player peaceful
2039 cf::map trigger 2147 cf::map trigger
2132The parameter C<$family> should best start with the name of the extension 2240The parameter C<$family> should best start with the name of the extension
2133using it, it should be unique. 2241using it, it should be unique.
2134 2242
2135=over 4 2243=over 4
2136 2244
2137=item $hashref = cf::db_get $family
2138
2139Return a hashref for use by the extension C<$family>, which can be
2140modified. After modifications, you have to call C<cf::db_dirty> or
2141C<cf::db_sync>.
2142
2143=item $value = cf::db_get $family => $key 2245=item $value = cf::db_get $family => $key
2144 2246
2145Returns a single value from the database 2247Returns a single value from the database.
2146
2147=item cf::db_put $family => $hashref
2148
2149Stores the given family hashref into the database. Updates are delayed, if
2150you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151 2248
2152=item cf::db_put $family => $key => $value 2249=item cf::db_put $family => $key => $value
2153 2250
2154Stores the given C<$value> in the family hash. Updates are delayed, if you 2251Stores the given C<$value> in the family.
2155want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157=item cf::db_dirty
2158
2159Marks the database as dirty, to be updated at a later time.
2160
2161=item cf::db_sync
2162
2163Immediately write the database to disk I<if it is dirty>.
2164 2252
2165=cut 2253=cut
2166 2254
2167our $DB; 2255our $DB;
2168 2256
2169{ 2257sub db_init {
2258 unless ($DB) {
2259 $DB = BDB::db_create $DB_ENV;
2260
2261 cf::sync_job {
2262 eval {
2263 $DB->set_flags (BDB::CHKSUM);
2264
2265 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267 cf::cleanup "db_open(db): $!" if $!;
2268 };
2269 cf::cleanup "db_open(db): $@" if $@;
2270 };
2271
2170 my $path = cf::localdir . "/database.pst"; 2272 my $path = cf::localdir . "/database.pst";
2273 if (stat $path) {
2274 cf::sync_job {
2275 my $pst = Storable::retrieve $path;
2171 2276
2172 sub db_load() { 2277 cf::db_put (board => data => $pst->{board});
2173 $DB = stat $path ? Storable::retrieve $path : { }; 2278 cf::db_put (guildrules => data => $pst->{guildrules});
2174 } 2279 cf::db_put (rent => balance => $pst->{rent}{balance});
2280 BDB::db_env_txn_checkpoint $DB_ENV;
2175 2281
2176 my $pid; 2282 unlink $path;
2177
2178 sub db_save() {
2179 waitpid $pid, 0 if $pid;
2180 if (0 == ($pid = fork)) {
2181 $DB->{_meta}{version} = 1;
2182 Storable::nstore $DB, "$path~";
2183 rename "$path~", $path;
2184 cf::_exit 0 if defined $pid;
2185 } 2283 };
2186 } 2284 }
2187
2188 my $dirty;
2189
2190 sub db_sync() {
2191 db_save if $dirty;
2192 undef $dirty;
2193 }
2194
2195 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196 db_sync;
2197 }); 2285 }
2286}
2198 2287
2199 sub db_dirty() {
2200 $dirty = 1;
2201 $idle->start;
2202 }
2203
2204 sub db_get($;$) { 2288sub db_get($$) {
2205 @_ >= 2 2289 my $key = "$_[0]/$_[1]";
2206 ? $DB->{$_[0]}{$_[1]}
2207 : ($DB->{$_[0]} ||= { })
2208 }
2209 2290
2291 cf::sync_job {
2292 BDB::db_get $DB, undef, $key, my $data;
2293
2294 $! ? ()
2295 : Compress::LZF::sthaw $data
2296 }
2297}
2298
2210 sub db_put($$;$) { 2299sub db_put($$$) {
2211 if (@_ >= 3) { 2300 BDB::dbreq_pri 4;
2212 $DB->{$_[0]}{$_[1]} = $_[2]; 2301 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302}
2303
2304#############################################################################
2305# the server's init and main functions
2306
2307sub load_facedata {
2308 my $path = sprintf "%s/facedata", cf::datadir;
2309
2310 warn "loading facedata from $path\n";
2311
2312 my $faces;
2313 0 < aio_load $path, $faces
2314 or die "$path: $!";
2315
2316 Coro::cede;
2317 $faces = Storable::thaw $faces;
2318 Coro::cede;
2319
2320 my $meta = delete $faces->{""};
2321 $meta->{version} == 1
2322 or cf::cleanup "$path: version mismatch, cannot proceed.";
2323
2324 while (my ($face, $info) = each %$faces) {
2325 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2327 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2328 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2329 Coro::cede;
2330 }
2331
2332 while (my ($face, $info) = each %$faces) {
2333 next unless $info->{smooth};
2334 my $idx = cf::face::find $face
2335 or next;
2336 if (my $smooth = cf::face::find $info->{smooth}) {
2337 cf::face::set_smooth $idx, $smooth;
2213 } else { 2338 } else {
2214 $DB->{$_[0]} = $_[1]; 2339 warn "smooth face '$info->{smooth}' not found for face '$face'";
2215 }
2216 db_dirty;
2217 }
2218
2219 cf::global->attach (
2220 prio => 10000,
2221 on_cleanup => sub {
2222 db_sync;
2223 }, 2340 }
2224 ); 2341 Coro::cede;
2225} 2342 }
2226 2343
2227############################################################################# 2344 1
2228# the server's main() 2345}
2346
2347sub reload_resources {
2348 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2349 or die "unable to load regions file\n";#d#
2350 load_facedata
2351 or die "unable to load facedata\n";#d#
2352}
2353
2354sub init {
2355 reload_resources;
2356}
2229 2357
2230sub cfg_load { 2358sub cfg_load {
2231 open my $fh, "<:utf8", cf::confdir . "/config" 2359 open my $fh, "<:utf8", cf::confdir . "/config"
2232 or return; 2360 or return;
2233 2361
2250 2378
2251sub main { 2379sub main {
2252 # we must not ever block the main coroutine 2380 # we must not ever block the main coroutine
2253 local $Coro::idle = sub { 2381 local $Coro::idle = sub {
2254 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2382 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2383 (async {
2255 async { Event::one_event }; 2384 Event::one_event;
2385 })->prio (Coro::PRIO_MAX);
2256 }; 2386 };
2257 2387
2258 cfg_load; 2388 cfg_load;
2259 db_load; 2389 db_init;
2260 load_extensions; 2390 load_extensions;
2391
2392 $TICK_WATCHER->start;
2261 Event::loop; 2393 Event::loop;
2262} 2394}
2263 2395
2264############################################################################# 2396#############################################################################
2265# initialisation and cleanup 2397# initialisation and cleanup
2266 2398
2267# install some emergency cleanup handlers 2399# install some emergency cleanup handlers
2268BEGIN { 2400BEGIN {
2269 for my $signal (qw(INT HUP TERM)) { 2401 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 2402 Event->signal (
2403 reentrant => 0,
2271 data => WF_AUTOCANCEL, 2404 data => WF_AUTOCANCEL,
2272 signal => $signal, 2405 signal => $signal,
2406 prio => 0,
2273 cb => sub { 2407 cb => sub {
2274 cf::cleanup "SIG$signal"; 2408 cf::cleanup "SIG$signal";
2275 }, 2409 },
2276 ); 2410 );
2277 } 2411 }
2278} 2412}
2283 warn "enter emergency perl save\n"; 2417 warn "enter emergency perl save\n";
2284 2418
2285 cf::sync_job { 2419 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl 2420 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 2421 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/Destroyed asynchronously. 2422 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 2423 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) { 2424 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 2425 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 2426 $pl->valid or next;
2293 $pl->save; 2427 $pl->save;
2299 my $map = $cf::MAP{$path} or next; 2433 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next; 2434 $map->valid or next;
2301 $map->save; 2435 $map->save;
2302 } 2436 }
2303 warn "end emergency map save\n"; 2437 warn "end emergency map save\n";
2438
2439 warn "begin emergency database checkpoint\n";
2440 BDB::db_env_txn_checkpoint $DB_ENV;
2441 warn "end emergency database checkpoint\n";
2304 }; 2442 };
2305 2443
2306 warn "leave emergency perl save\n"; 2444 warn "leave emergency perl save\n";
2445}
2446
2447sub post_cleanup {
2448 my ($make_core) = @_;
2449
2450 warn Carp::longmess "post_cleanup backtrace"
2451 if $make_core;
2307} 2452}
2308 2453
2309sub reload() { 2454sub reload() {
2310 # can/must only be called in main 2455 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 2456 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine\n"; 2457 warn "can only reload from main coroutine";
2313 return; 2458 return;
2314 } 2459 }
2315 2460
2316 warn "reloading..."; 2461 warn "reloading...";
2317 2462
2318 my $guard = freeze_mainloop; 2463 warn "entering sync_job";
2464
2465 cf::sync_job {
2466 cf::write_runtime; # external watchdog should not bark
2319 cf::emergency_save; 2467 cf::emergency_save;
2468 cf::write_runtime; # external watchdog should not bark
2320 2469
2321 eval { 2470 warn "syncing database to disk";
2471 BDB::db_env_txn_checkpoint $DB_ENV;
2472
2322 # if anything goes wrong in here, we should simply crash as we already saved 2473 # if anything goes wrong in here, we should simply crash as we already saved
2323 2474
2324 # cancel all watchers 2475 warn "cancelling all WF_AUTOCANCEL watchers";
2325 for (Event::all_watchers) { 2476 for (Event::all_watchers) {
2326 $_->cancel if $_->data & WF_AUTOCANCEL; 2477 $_->cancel if $_->data & WF_AUTOCANCEL;
2327 } 2478 }
2328 2479
2480 warn "flushing outstanding aio requests";
2481 for (;;) {
2482 BDB::flush;
2483 IO::AIO::flush;
2484 Coro::cede;
2485 last unless IO::AIO::nreqs || BDB::nreqs;
2486 warn "iterate...";
2487 }
2488
2489 ++$RELOAD;
2490
2329 # cancel all extension coros 2491 warn "cancelling all extension coros";
2330 $_->cancel for values %EXT_CORO; 2492 $_->cancel for values %EXT_CORO;
2331 %EXT_CORO = (); 2493 %EXT_CORO = ();
2332 2494
2333 # unload all extensions 2495 warn "removing commands";
2334 for (@exts) { 2496 %COMMAND = ();
2497
2498 warn "removing ext commands";
2499 %EXTCMD = ();
2500
2501 warn "unloading/nuking all extensions";
2502 for my $pkg (@EXTS) {
2335 warn "unloading <$_>"; 2503 warn "... unloading $pkg";
2336 unload_extension $_; 2504
2505 if (my $cb = $pkg->can ("unload")) {
2506 eval {
2507 $cb->($pkg);
2508 1
2509 } or warn "$pkg unloaded, but with errors: $@";
2337 } 2510 }
2338 2511
2512 warn "... nuking $pkg";
2513 Symbol::delete_package $pkg;
2514 }
2515
2339 # unload all modules loaded from $LIBDIR 2516 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 2517 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2518 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 2519
2343 warn "removing <$k>"; 2520 warn "... unloading $k";
2344 delete $INC{$k}; 2521 delete $INC{$k};
2345 2522
2346 $k =~ s/\.pm$//; 2523 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 2524 $k =~ s/\//::/g;
2348 2525
2351 } 2528 }
2352 2529
2353 Symbol::delete_package $k; 2530 Symbol::delete_package $k;
2354 } 2531 }
2355 2532
2356 # sync database to disk
2357 cf::db_sync;
2358 IO::AIO::flush;
2359
2360 # get rid of safe::, as good as possible 2533 warn "getting rid of safe::, as good as possible";
2361 Symbol::delete_package "safe::$_" 2534 Symbol::delete_package "safe::$_"
2362 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2535 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363 2536
2364 # remove register_script_function callbacks
2365 # TODO
2366
2367 # unload cf.pm "a bit" 2537 warn "unloading cf.pm \"a bit\"";
2368 delete $INC{"cf.pm"}; 2538 delete $INC{"cf.pm"};
2369 2539
2370 # don't, removes xs symbols, too, 2540 # don't, removes xs symbols, too,
2371 # and global variables created in xs 2541 # and global variables created in xs
2372 #Symbol::delete_package __PACKAGE__; 2542 #Symbol::delete_package __PACKAGE__;
2373 2543
2374 # reload cf.pm 2544 warn "unload completed, starting to reload now";
2545
2375 warn "reloading cf.pm"; 2546 warn "reloading cf.pm";
2376 require cf; 2547 require cf;
2377 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2548 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378 2549
2379 # load config and database again 2550 warn "loading config and database again";
2380 cf::cfg_load; 2551 cf::cfg_load;
2381 cf::db_load;
2382 2552
2383 # load extensions
2384 warn "load extensions"; 2553 warn "loading extensions";
2385 cf::load_extensions; 2554 cf::load_extensions;
2386 2555
2387 # reattach attachments to objects 2556 warn "reattaching attachments to objects/players";
2388 warn "reattach"; 2557 _global_reattach; # objects, sockets
2389 _global_reattach; 2558 warn "reattaching attachments to maps";
2390 reattach $_ for values %MAP; 2559 reattach $_ for values %MAP;
2391 }; 2560 warn "reattaching attachments to players";
2561 reattach $_ for values %PLAYER;
2392 2562
2393 if ($@) { 2563 warn "loading reloadable resources";
2564 reload_resources;
2565
2566 warn "leaving sync_job";
2567
2568 1
2569 } or do {
2394 warn $@; 2570 warn $@;
2395 warn "error while reloading, exiting."; 2571 warn "error while reloading, exiting.";
2396 exit 1; 2572 exit 1;
2397 } 2573 };
2398 2574
2399 warn "reloaded successfully"; 2575 warn "reloaded";
2400}; 2576};
2401 2577
2402############################################################################# 2578our $RELOAD_WATCHER; # used only during reload
2403
2404unless ($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} = $LINK_MAP;
2443}
2444
2445register "<global>", __PACKAGE__;
2446 2579
2447register_command "reload" => sub { 2580register_command "reload" => sub {
2448 my ($who, $arg) = @_; 2581 my ($who, $arg) = @_;
2449 2582
2450 if ($who->flag (FLAG_WIZ)) { 2583 if ($who->flag (FLAG_WIZ)) {
2451 $who->message ("start of reload."); 2584 $who->message ("reloading server.");
2585
2586 # doing reload synchronously and two reloads happen back-to-back,
2587 # coro crashes during coro_state_free->destroy here.
2588
2589 $RELOAD_WATCHER ||= Event->timer (
2590 reentrant => 0,
2591 after => 0,
2592 data => WF_AUTOCANCEL,
2593 cb => sub {
2452 reload; 2594 reload;
2453 $who->message ("end of reload."); 2595 undef $RELOAD_WATCHER;
2596 },
2597 );
2454 } 2598 }
2455}; 2599};
2456 2600
2457unshift @INC, $LIBDIR; 2601unshift @INC, $LIBDIR;
2602
2603my $bug_warning = 0;
2458 2604
2459$TICK_WATCHER = Event->timer ( 2605$TICK_WATCHER = Event->timer (
2460 reentrant => 0, 2606 reentrant => 0,
2607 parked => 1,
2461 prio => 0, 2608 prio => 0,
2462 at => $NEXT_TICK || $TICK, 2609 at => $NEXT_TICK || $TICK,
2463 data => WF_AUTOCANCEL, 2610 data => WF_AUTOCANCEL,
2464 cb => sub { 2611 cb => sub {
2612 if ($Coro::current != $Coro::main) {
2613 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614 unless ++$bug_warning > 10;
2615 return;
2616 }
2617
2618 $NOW = Event::time;
2619
2465 cf::server_tick; # one server iteration 2620 cf::server_tick; # one server iteration
2466 $RUNTIME += $TICK; 2621 $RUNTIME += $TICK;
2467 $NEXT_TICK += $TICK; 2622 $NEXT_TICK += $TICK;
2468 2623
2624 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625 $NEXT_RUNTIME_WRITE = $NOW + 10;
2626 Coro::async_pool {
2627 write_runtime
2628 or warn "ERROR: unable to write runtime file: $!";
2629 };
2630 }
2631
2469 $WAIT_FOR_TICK->broadcast; 2632 $WAIT_FOR_TICK->broadcast;
2470 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2633 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635# my $AFTER = Event::time;
2636# warn $AFTER - $NOW;#d#
2471 2637
2472 # if we are delayed by four ticks or more, skip them all 2638 # if we are delayed by four ticks or more, skip them all
2473 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2639 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474 2640
2475 $TICK_WATCHER->at ($NEXT_TICK); 2641 $TICK_WATCHER->at ($NEXT_TICK);
2476 $TICK_WATCHER->start; 2642 $TICK_WATCHER->start;
2477 }, 2643 },
2478); 2644);
2479 2645
2646{
2480IO::AIO::max_poll_time $TICK * 0.2; 2647 BDB::max_poll_time $TICK * 0.1;
2481 2648 $BDB_POLL_WATCHER = Event->io (
2482Event->io ( 2649 reentrant => 0,
2483 fd => IO::AIO::poll_fileno, 2650 fd => BDB::poll_fileno,
2484 poll => 'r', 2651 poll => 'r',
2485 prio => 5, 2652 prio => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => \&IO::AIO::poll_cb,
2488);
2489
2490Event->timer (
2491 data => WF_AUTOCANCEL, 2653 data => WF_AUTOCANCEL,
2492 after => 0, 2654 cb => \&BDB::poll_cb,
2493 interval => 10, 2655 );
2494 cb => sub { 2656 BDB::min_parallel 8;
2495 (Coro::unblock_sub { 2657
2496 write_runtime 2658 BDB::set_sync_prepare {
2497 or warn "ERROR: unable to write runtime file: $!"; 2659 my $status;
2660 my $current = $Coro::current;
2661 (
2662 sub {
2663 $status = $!;
2664 $current->ready; undef $current;
2665 },
2666 sub {
2667 Coro::schedule while defined $current;
2668 $! = $status;
2669 },
2670 )
2671 };
2672
2673 unless ($DB_ENV) {
2674 $DB_ENV = BDB::db_env_create;
2675
2676 cf::sync_job {
2677 eval {
2678 BDB::db_env_open
2679 $DB_ENV,
2680 $BDB_ENV_DIR,
2681 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683 0666;
2684
2685 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2686
2687 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688 $DB_ENV->set_lk_detect;
2689 };
2690
2691 cf::cleanup "db_env_open(db): $@" if $@;
2498 })->(); 2692 };
2499 }, 2693 }
2500); 2694}
2695
2696{
2697 IO::AIO::min_parallel 8;
2698
2699 undef $Coro::AIO::WATCHER;
2700 IO::AIO::max_poll_time $TICK * 0.1;
2701 $AIO_POLL_WATCHER = Event->io (
2702 reentrant => 0,
2703 data => WF_AUTOCANCEL,
2704 fd => IO::AIO::poll_fileno,
2705 poll => 'r',
2706 prio => 6,
2707 cb => \&IO::AIO::poll_cb,
2708 );
2709}
2501 2710
2502END { cf::emergency_save } 2711END { cf::emergency_save }
2503 2712
25041 27131
2505 2714

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