ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC vs.
Revision 1.225 by root, Wed Mar 14 00:04:58 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 ();
23use Data::Dumper;
20use Digest::MD5; 24use Digest::MD5;
21use Fcntl; 25use Fcntl;
22use IO::AIO 2.31 (); 26use IO::AIO 2.32 ();
23use YAML::Syck (); 27use YAML::Syck ();
24use Time::HiRes; 28use Time::HiRes;
29use Compress::LZF;
25 30
31Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 33$Event::Eval = 1; # no idea why this is required, but it is
34
35sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27 36
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 37# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 38$YAML::Syck::ImplicitUnicode = 1;
30 39
31$Coro::main->prio (2); # run main coroutine ("the server") with very high priority 40$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 41
35our %COMMAND = (); 42our %COMMAND = ();
36our %COMMAND_TIME = (); 43our %COMMAND_TIME = ();
44
45our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 46our %EXTCMD = ();
47our %EXT_CORO = (); # coroutines bound to extensions
48our %EXT_MAP = (); # pluggable maps
38 49
50our $RELOAD; # number of reloads so far
39our @EVENT; 51our @EVENT;
40our $LIBDIR = datadir . "/ext"; 52our $LIBDIR = datadir . "/ext";
41 53
42our $TICK = MAX_TIME * 1e-6; 54our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 55our $TICK_WATCHER;
56our $AIO_POLL_WATCHER;
57our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 58our $NEXT_TICK;
45our $NOW; 59our $NOW;
60our $USE_FSYNC = 1; # use fsync to write maps - default off
61
62our $BDB_POLL_WATCHER;
63our $DB_ENV;
46 64
47our %CFG; 65our %CFG;
48 66
49our $UPTIME; $UPTIME ||= time; 67our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 68our $RUNTIME;
51 69
70our %PLAYER; # all users
52our %MAP; # all maps 71our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 72our $LINK_MAP; # the special {link} map, which is always available
54our $RANDOM_MAPS = cf::localdir . "/random"; 73our $RANDOM_MAPS = cf::localdir . "/random";
55our %EXT_CORO; 74our $BDB_ENV_DIR = cf::localdir . "/db";
75
76our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78
79# used to convert map paths into valid unix filenames by replacing / by ∕
80our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56 81
57binmode STDOUT; 82binmode STDOUT;
58binmode STDERR; 83binmode STDERR;
59 84
60# read virtual server time, if available 85# read virtual server time, if available
67mkdir cf::localdir; 92mkdir cf::localdir;
68mkdir cf::localdir . "/" . cf::playerdir; 93mkdir cf::localdir . "/" . cf::playerdir;
69mkdir cf::localdir . "/" . cf::tmpdir; 94mkdir cf::localdir . "/" . cf::tmpdir;
70mkdir cf::localdir . "/" . cf::uniquedir; 95mkdir cf::localdir . "/" . cf::uniquedir;
71mkdir $RANDOM_MAPS; 96mkdir $RANDOM_MAPS;
97mkdir $BDB_ENV_DIR;
72 98
73# a special map that is always available
74our $LINK_MAP;
75our $EMERGENCY_POSITION; 99our $EMERGENCY_POSITION;
100
101sub cf::map::normalise;
76 102
77############################################################################# 103#############################################################################
78 104
79=head2 GLOBAL VARIABLES 105=head2 GLOBAL VARIABLES
80 106
104 130
105=item %cf::CFG 131=item %cf::CFG
106 132
107Configuration for the server, loaded from C</etc/crossfire/config>, or 133Configuration for the server, loaded from C</etc/crossfire/config>, or
108from wherever your confdir points to. 134from wherever your confdir points to.
135
136=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
137
138These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
139or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
140processing has been done. Call C<< ->wait >> on them to maximise the
141window of cpu time available, or simply to synchronise to the server tick.
109 142
110=back 143=back
111 144
112=cut 145=cut
113 146
117 utf8::encode $msg; 150 utf8::encode $msg;
118 151
119 $msg .= "\n" 152 $msg .= "\n"
120 unless $msg =~ /\n$/; 153 unless $msg =~ /\n$/;
121 154
122 LOG llevError, "cfperl: $msg"; 155 LOG llevError, $msg;
123 }; 156 };
124} 157}
125 158
126@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 159@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 160@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
145 178
146$Event::DIED = sub { 179$Event::DIED = sub {
147 warn "error in event callback: @_"; 180 warn "error in event callback: @_";
148}; 181};
149 182
150my %ext_pkg;
151my @exts;
152my @hook;
153
154=head2 UTILITY FUNCTIONS 183=head2 UTILITY FUNCTIONS
155 184
156=over 4 185=over 4
157 186
187=item dumpval $ref
188
158=cut 189=cut
190
191sub dumpval {
192 eval {
193 local $SIG{__DIE__};
194 my $d;
195 if (1) {
196 $d = new Data::Dumper([$_[0]], ["*var"]);
197 $d->Terse(1);
198 $d->Indent(2);
199 $d->Quotekeys(0);
200 $d->Useqq(1);
201 #$d->Bless(...);
202 $d->Seen($_[1]) if @_ > 1;
203 $d = $d->Dump();
204 }
205 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206 $d
207 } || "[unable to dump $_[0]: '$@']";
208}
159 209
160use JSON::Syck (); # TODO# replace by JSON::PC once working 210use JSON::Syck (); # TODO# replace by JSON::PC once working
161 211
162=item $ref = cf::from_json $json 212=item $ref = cf::from_json $json
163 213
221 # wake up all waiters, to be on the safe side 271 # wake up all waiters, to be on the safe side
222 $_->ready for @{ delete $LOCK{$key} }; 272 $_->ready for @{ delete $LOCK{$key} };
223 } 273 }
224} 274}
225 275
226=item cf::async { BLOCK }
227
228Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229error instead of exiting the server in case of a problem.
230
231=cut
232
233sub async(&) {
234 my ($cb) = @_;
235
236 Coro::async {
237 eval { $cb->() };
238 warn $@ if $@;
239 }
240}
241
242sub freeze_mainloop { 276sub freeze_mainloop {
243 return unless $TICK_WATCHER->is_active; 277 return unless $TICK_WATCHER->is_active;
244 278
245 my $guard = Coro::guard { $TICK_WATCHER->start }; 279 my $guard = Coro::guard {
280 $TICK_WATCHER->start;
281 };
246 $TICK_WATCHER->stop; 282 $TICK_WATCHER->stop;
247 $guard 283 $guard
248} 284}
285
286=item cf::async { BLOCK }
287
288Currently the same as Coro::async_pool, meaning you cannot use
289C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
290thing you are allowed to do is call C<prio> on it.
291
292=cut
293
294BEGIN { *async = \&Coro::async_pool }
249 295
250=item cf::sync_job { BLOCK } 296=item cf::sync_job { BLOCK }
251 297
252The design of crossfire+ requires that the main coro ($Coro::main) is 298The design of crossfire+ requires that the main coro ($Coro::main) is
253always able to handle events or runnable, as crossfire+ is only partly 299always able to handle events or runnable, as crossfire+ is only partly
272 my $freeze_guard = freeze_mainloop; 318 my $freeze_guard = freeze_mainloop;
273 319
274 my $busy = 1; 320 my $busy = 1;
275 my @res; 321 my @res;
276 322
277 (Coro::async { 323 (async {
278 @res = eval { $job->() }; 324 @res = eval { $job->() };
279 warn $@ if $@; 325 warn $@ if $@;
280 undef $busy; 326 undef $busy;
281 })->prio (Coro::PRIO_MAX); 327 })->prio (Coro::PRIO_MAX);
282 328
283 while ($busy) { 329 while ($busy) {
284 Coro::cede_notself; 330 Coro::cede or Event::one_event;
285 Event::one_event unless Coro::nready;
286 } 331 }
287 332
288 wantarray ? @res : $res[0] 333 wantarray ? @res : $res[0]
289 } else { 334 } else {
290 # we are in another coroutine, how wonderful, everything just works 335 # we are in another coroutine, how wonderful, everything just works
291 336
292 $job->() 337 $job->()
293 } 338 }
294} 339}
295 340
296=item $coro = cf::coro { BLOCK } 341=item $coro = cf::async_ext { BLOCK }
297 342
298Creates and returns a new coro. This coro is automcatially being canceled 343Like async, but this coro is automatically being canceled when the
299when the extension calling this is being unloaded. 344extension calling this is being unloaded.
300 345
301=cut 346=cut
302 347
303sub coro(&) { 348sub async_ext(&) {
304 my $cb = shift; 349 my $cb = shift;
305 350
306 my $coro = &cf::async ($cb); 351 my $coro = &Coro::async ($cb);
307 352
308 $coro->on_destroy (sub { 353 $coro->on_destroy (sub {
309 delete $EXT_CORO{$coro+0}; 354 delete $EXT_CORO{$coro+0};
310 }); 355 });
311 $EXT_CORO{$coro+0} = $coro; 356 $EXT_CORO{$coro+0} = $coro;
312 357
313 $coro 358 $coro
314} 359}
315 360
316sub write_runtime { 361sub write_runtime {
362 my $guard = cf::lock_acquire "write_runtime";
363
317 my $runtime = cf::localdir . "/runtime"; 364 my $runtime = cf::localdir . "/runtime";
318 365
319 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 366 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
320 or return; 367 or return;
321 368
369 my $value = $cf::RUNTIME + 90 + 10;
322 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 370 # 10 is the runtime save interval, for a monotonic clock
371 # 60 allows for the watchdog to kill the server.
372
323 (aio_write $fh, 0, (length $value), $value, 0) <= 0 373 (aio_write $fh, 0, (length $value), $value, 0) <= 0
324 and return; 374 and return;
325 375
376 # always fsync - this file is important
326 aio_fsync $fh 377 aio_fsync $fh
327 and return; 378 and return;
328 379
329 close $fh 380 close $fh
330 or return; 381 or return;
336} 387}
337 388
338=back 389=back
339 390
340=cut 391=cut
341
342#############################################################################
343
344package cf::path;
345
346sub new {
347 my ($class, $path, $base) = @_;
348
349 $path = $path->as_string if ref $path;
350
351 my $self = bless { }, $class;
352
353 # {... are special paths that are not touched
354 # ?xxx/... are special absolute paths
355 # ?random/... random maps
356 # /! non-realised random map exit
357 # /... normal maps
358 # ~/... per-player maps without a specific player (DO NOT USE)
359 # ~user/... per-player map of a specific user
360
361 if ($path =~ /^{/) {
362 # fine as it is
363 } elsif ($path =~ s{^\?random/}{}) {
364 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365 $self->{random} = cf::from_json $data;
366 } else {
367 if ($path =~ s{^~([^/]+)?}{}) {
368 $self->{user_rel} = 1;
369
370 if (defined $1) {
371 $self->{user} = $1;
372 } elsif ($base =~ m{^~([^/]+)/}) {
373 $self->{user} = $1;
374 } else {
375 warn "cannot resolve user-relative path without user <$path,$base>\n";
376 }
377 } elsif ($path =~ /^\//) {
378 # already absolute
379 } else {
380 $base =~ s{[^/]+/?$}{};
381 return $class->new ("$base/$path");
382 }
383
384 for ($path) {
385 redo if s{/\.?/}{/};
386 redo if s{/[^/]+/\.\./}{/};
387 }
388 }
389
390 $self->{path} = $path;
391
392 $self
393}
394
395# the name / primary key / in-game path
396sub as_string {
397 my ($self) = @_;
398
399 $self->{user_rel} ? "~$self->{user}$self->{path}"
400 : $self->{random} ? "?random/$self->{path}"
401 : $self->{path}
402}
403
404# the displayed name, this is a one way mapping
405sub visible_name {
406 my ($self) = @_;
407
408# if (my $rmp = $self->{random}) {
409# # todo: be more intelligent about this
410# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411# } else {
412 $self->as_string
413# }
414}
415
416# escape the /'s in the path
417sub _escaped_path {
418 # ∕ is U+2215
419 (my $path = $_[0]{path}) =~ s/\//∕/g;
420 $path
421}
422
423# the original (read-only) location
424sub load_path {
425 my ($self) = @_;
426
427 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428}
429
430# the temporary/swap location
431sub save_path {
432 my ($self) = @_;
433
434 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437}
438
439# the unique path, might be eq to save_path
440sub uniq_path {
441 my ($self) = @_;
442
443 $self->{user_rel} || $self->{random}
444 ? undef
445 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446}
447
448# return random map parameters, or undef
449sub random_map_params {
450 my ($self) = @_;
451
452 $self->{random}
453}
454
455# this is somewhat ugly, but style maps do need special treatment
456sub is_style_map {
457 $_[0]{path} =~ m{^/styles/}
458}
459
460package cf;
461 392
462############################################################################# 393#############################################################################
463 394
464=head2 ATTACHABLE OBJECTS 395=head2 ATTACHABLE OBJECTS
465 396
591our @CB_TYPE = (); # registry for type (cf-object class) based events 522our @CB_TYPE = (); # registry for type (cf-object class) based events
592our @CB_MAP = (); 523our @CB_MAP = ();
593 524
594my %attachment; 525my %attachment;
595 526
527sub cf::attachable::thawer_merge {
528 # simply override everything except _meta
529 local $_[0]{_meta};
530 %{$_[0]} = %{$_[1]};
531}
532
596sub _attach_cb($$$$) { 533sub _attach_cb($$$$) {
597 my ($registry, $event, $prio, $cb) = @_; 534 my ($registry, $event, $prio, $cb) = @_;
598 535
599 use sort 'stable'; 536 use sort 'stable';
600 537
771# object support 708# object support
772 709
773sub reattach { 710sub reattach {
774 # basically do the same as instantiate, without calling instantiate 711 # basically do the same as instantiate, without calling instantiate
775 my ($obj) = @_; 712 my ($obj) = @_;
713
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776 715
777 my $registry = $obj->registry; 716 my $registry = $obj->registry;
778 717
779 @$registry = (); 718 @$registry = ();
780 719
827 $filename, length $$rdata, scalar @$objs; 766 $filename, length $$rdata, scalar @$objs;
828 767
829 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830 chmod SAVE_MODE, $fh; 769 chmod SAVE_MODE, $fh;
831 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 770 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
832 aio_fsync $fh; 771 aio_fsync $fh if $cf::USE_FSYNC;
833 close $fh; 772 close $fh;
834 773
835 if (@$objs) { 774 if (@$objs) {
836 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) {
837 chmod SAVE_MODE, $fh; 776 chmod SAVE_MODE, $fh;
838 my $data = Storable::nfreeze { version => 1, objs => $objs }; 777 my $data = Storable::nfreeze { version => 1, objs => $objs };
839 aio_write $fh, 0, (length $data), $data, 0; 778 aio_write $fh, 0, (length $data), $data, 0;
840 aio_fsync $fh; 779 aio_fsync $fh if $cf::USE_FSYNC;
841 close $fh; 780 close $fh;
842 aio_rename "$filename.pst~", "$filename.pst"; 781 aio_rename "$filename.pst~", "$filename.pst";
843 } 782 }
844 } else { 783 } else {
845 aio_unlink "$filename.pst"; 784 aio_unlink "$filename.pst";
912=cut 851=cut
913 852
914sub register_extcmd { 853sub register_extcmd {
915 my ($name, $cb) = @_; 854 my ($name, $cb) = @_;
916 855
917 my $caller = caller;
918 #warn "registering extcmd '$name' to '$caller'";
919
920 $EXTCMD{$name} = [$cb, $caller]; 856 $EXTCMD{$name} = $cb;
921} 857}
922 858
923cf::player->attach ( 859cf::player->attach (
924 on_command => sub { 860 on_command => sub {
925 my ($pl, $name, $params) = @_; 861 my ($pl, $name, $params) = @_;
938 874
939 my $msg = eval { from_json $buf }; 875 my $msg = eval { from_json $buf };
940 876
941 if (ref $msg) { 877 if (ref $msg) {
942 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 878 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943 if (my %reply = $cb->[0]->($pl, $msg)) { 879 if (my %reply = $cb->($pl, $msg)) {
944 $pl->ext_reply ($msg->{msgid}, %reply); 880 $pl->ext_reply ($msg->{msgid}, %reply);
945 } 881 }
946 } 882 }
947 } else { 883 } else {
948 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
950 886
951 cf::override; 887 cf::override;
952 }, 888 },
953); 889);
954 890
955sub register {
956 my ($base, $pkg) = @_;
957
958 #TODO
959}
960
961sub load_extension { 891sub load_extension {
962 my ($path) = @_; 892 my ($path) = @_;
963 893
964 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
965 my $base = $1; 895 my $base = $1;
966 my $pkg = $1; 896 my $pkg = $1;
967 $pkg =~ s/[^[:word:]]/_/g; 897 $pkg =~ s/[^[:word:]]/_/g;
968 $pkg = "ext::$pkg"; 898 $pkg = "ext::$pkg";
969 899
970 warn "loading '$path' into '$pkg'\n"; 900 warn "... loading '$path' into '$pkg'\n";
971 901
972 open my $fh, "<:utf8", $path 902 open my $fh, "<:utf8", $path
973 or die "$path: $!"; 903 or die "$path: $!";
974 904
975 my $source = 905 my $source =
976 "package $pkg; use strict; use utf8;\n" 906 "package $pkg; use strict; use utf8;\n"
977 . "#line 1 \"$path\"\n{\n" 907 . "#line 1 \"$path\"\n{\n"
978 . (do { local $/; <$fh> }) 908 . (do { local $/; <$fh> })
979 . "\n};\n1"; 909 . "\n};\n1";
980 910
981 eval $source 911 unless (eval $source) {
982 or die $@ ? "$path: $@\n" 912 my $msg = $@ ? "$path: $@\n"
983 : "extension disabled.\n"; 913 : "extension disabled.\n";
984 914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
985 push @exts, $pkg; 915 warn $@;
986 $ext_pkg{$base} = $pkg; 916 warn "mandatory extension failed to load, exiting.\n";
987 917 exit 1;
988# no strict 'refs'; 918 }
989# @{"$pkg\::ISA"} = ext::; 919 die $@;
990
991 register $base, $pkg;
992}
993
994sub unload_extension {
995 my ($pkg) = @_;
996
997 warn "removing extension $pkg\n";
998
999 # remove hooks
1000 #TODO
1001# for my $idx (0 .. $#PLUGIN_EVENT) {
1002# delete $hook[$idx]{$pkg};
1003# } 920 }
1004 921
1005 # remove commands 922 push @EXTS, $pkg;
1006 for my $name (keys %COMMAND) {
1007 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009 if (@cb) {
1010 $COMMAND{$name} = \@cb;
1011 } else {
1012 delete $COMMAND{$name};
1013 }
1014 }
1015
1016 # remove extcmds
1017 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018 delete $EXTCMD{$name};
1019 }
1020
1021 if (my $cb = $pkg->can ("unload")) {
1022 eval {
1023 $cb->($pkg);
1024 1
1025 } or warn "$pkg unloaded, but with errors: $@";
1026 }
1027
1028 Symbol::delete_package $pkg;
1029} 923}
1030 924
1031sub load_extensions { 925sub load_extensions {
1032 for my $ext (<$LIBDIR/*.ext>) { 926 for my $ext (<$LIBDIR/*.ext>) {
1033 next unless -r $ext; 927 next unless -r $ext;
1037 } or warn "$ext not loaded: $@"; 931 } or warn "$ext not loaded: $@";
1038 } 932 }
1039} 933}
1040 934
1041############################################################################# 935#############################################################################
1042# load/save/clean perl data associated with a map
1043
1044*cf::mapsupport::on_clean = sub {
1045 my ($map) = @_;
1046
1047 my $path = $map->tmpname;
1048 defined $path or return;
1049
1050 unlink "$path.pst";
1051};
1052
1053cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055#############################################################################
1056# load/save perl data associated with player->ob objects
1057
1058sub all_objects(@) {
1059 @_, map all_objects ($_->inv), @_
1060}
1061
1062# TODO: compatibility cruft, remove when no longer needed
1063cf::player->attach (
1064 on_load => sub {
1065 my ($pl, $path) = @_;
1066
1067 for my $o (all_objects $pl->ob) {
1068 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069 $o->set_ob_key_value ("_perl_data");
1070
1071 %$o = %{ Storable::thaw pack "H*", $value };
1072 }
1073 }
1074 },
1075);
1076
1077#############################################################################
1078 936
1079=head2 CORE EXTENSIONS 937=head2 CORE EXTENSIONS
1080 938
1081Functions and methods that extend core crossfire objects. 939Functions and methods that extend core crossfire objects.
1082 940
941=cut
942
943package cf::player;
944
945use Coro::AIO;
946
1083=head3 cf::player 947=head3 cf::player
1084 948
1085=over 4 949=over 4
1086 950
1087=item cf::player::exists $login 951=item cf::player::find $login
1088 952
1089Returns true when the given account exists. 953Returns the given player object, loading it if necessary (might block).
1090 954
1091=cut 955=cut
1092 956
1093sub cf::player::exists($) { 957sub playerdir($) {
1094 cf::player::find $_[0] 958 cf::localdir
1095 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963}
964
965sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967
968 (playerdir $login) . "/$login.pl"
969}
970
971sub find_active($) {
972 $cf::PLAYER{$_[0]}
973 and $cf::PLAYER{$_[0]}->active
974 and $cf::PLAYER{$_[0]}
975}
976
977sub exists($) {
978 my ($login) = @_;
979
980 $cf::PLAYER{$login}
981 or cf::sync_job { !aio_stat path $login }
982}
983
984sub find($) {
985 return $cf::PLAYER{$_[0]} || do {
986 my $login = $_[0];
987
988 my $guard = cf::lock_acquire "user_find:$login";
989
990 $cf::PLAYER{$_[0]} || do {
991 my $pl = load_pl path $login
992 or return;
993 $cf::PLAYER{$login} = $pl
994 }
995 }
996}
997
998sub save($) {
999 my ($pl) = @_;
1000
1001 return if $pl->{deny_save};
1002
1003 my $path = path $pl;
1004 my $guard = cf::lock_acquire "user_save:$path";
1005
1006 return if $pl->{deny_save};
1007
1008 aio_mkdir playerdir $pl, 0770;
1009 $pl->{last_save} = $cf::RUNTIME;
1010
1011 $pl->save_pl ($path);
1012 Coro::cede;
1013}
1014
1015sub new($) {
1016 my ($login) = @_;
1017
1018 my $self = create;
1019
1020 $self->ob->name ($login);
1021 $self->{deny_save} = 1;
1022
1023 $cf::PLAYER{$login} = $self;
1024
1025 $self
1026}
1027
1028=item $pl->quit_character
1029
1030Nukes the player without looking back. If logged in, the connection will
1031be destroyed. May block for a long time.
1032
1033=cut
1034
1035sub quit_character {
1036 my ($pl) = @_;
1037
1038 my $name = $pl->ob->name;
1039
1040 $pl->{deny_save} = 1;
1041 $pl->password ("*"); # this should lock out the player until we nuked the dir
1042
1043 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044 $pl->deactivate;
1045 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1046 $pl->ns->destroy if $pl->ns;
1047
1048 my $path = playerdir $pl;
1049 my $temp = "$path~$cf::RUNTIME~deleting~";
1050 aio_rename $path, $temp;
1051 delete $cf::PLAYER{$pl->ob->name};
1052 $pl->destroy;
1053
1054 my $prefix = qr<^~\Q$name\E/>;
1055
1056 # nuke player maps
1057 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1058
1059 IO::AIO::aio_rmtree $temp;
1060}
1061
1062=item $pl->kick
1063
1064Kicks a player out of the game. This destroys the connection.
1065
1066=cut
1067
1068sub kick {
1069 my ($pl, $kicker) = @_;
1070
1071 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1072 $pl->killer ("kicked");
1073 $pl->ns->destroy;
1074}
1075
1076=item cf::player::list_logins
1077
1078Returns am arrayref of all valid playernames in the system, can take a
1079while and may block, so not sync_job-capable, ever.
1080
1081=cut
1082
1083sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1085 or return [];
1086
1087 my @logins;
1088
1089 for my $login (@$dirs) {
1090 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1091 aio_read $fh, 0, 512, my $buf, 0 or next;
1092 $buf !~ /^password -------------$/m or next; # official not-valid tag
1093
1094 utf8::decode $login;
1095 push @logins, $login;
1096 }
1097
1098 \@logins
1099}
1100
1101=item $player->maps
1102
1103Returns an arrayref of map paths that are private for this
1104player. May block.
1105
1106=cut
1107
1108sub maps($) {
1109 my ($pl) = @_;
1110
1111 $pl = ref $pl ? $pl->ob->name : $pl;
1112
1113 my $files = aio_readdir playerdir $pl
1114 or return;
1115
1116 my @paths;
1117
1118 for (@$files) {
1119 utf8::decode $_;
1120 next if /\.(?:pl|pst)$/;
1121 next unless /^$PATH_SEP/o;
1122
1123 push @paths, cf::map::normalise "~$pl/$_";
1124 }
1125
1126 \@paths
1096} 1127}
1097 1128
1098=item $player->ext_reply ($msgid, $msgtype, %msg) 1129=item $player->ext_reply ($msgid, $msgtype, %msg)
1099 1130
1100Sends an ext reply to the player. 1131Sends an ext reply to the player.
1101 1132
1102=cut 1133=cut
1103 1134
1104sub cf::player::ext_reply($$$%) { 1135sub ext_reply($$$%) {
1105 my ($self, $id, %msg) = @_; 1136 my ($self, $id, %msg) = @_;
1106 1137
1107 $msg{msgid} = $id; 1138 $msg{msgid} = $id;
1108 1139
1109 $self->send ("ext " . to_json \%msg); 1140 $self->send ("ext " . cf::to_json \%msg);
1110} 1141}
1142
1143package cf;
1111 1144
1112=back 1145=back
1113 1146
1114 1147
1115=head3 cf::map 1148=head3 cf::map
1121package cf::map; 1154package cf::map;
1122 1155
1123use Fcntl; 1156use Fcntl;
1124use Coro::AIO; 1157use Coro::AIO;
1125 1158
1159use overload
1160 '""' => \&as_string,
1161 fallback => 1;
1162
1126our $MAX_RESET = 3600; 1163our $MAX_RESET = 3600;
1127our $DEFAULT_RESET = 3000; 1164our $DEFAULT_RESET = 3000;
1128 1165
1129sub generate_random_map { 1166sub generate_random_map {
1130 my ($path, $rmp) = @_; 1167 my ($self, $rmp) = @_;
1131
1132 # mit "rum" bekleckern, nicht 1168 # mit "rum" bekleckern, nicht
1133 cf::map::_create_random_map 1169 $self->_create_random_map (
1134 $path,
1135 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1170 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1171 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1172 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138 $rmp->{exit_on_final_map}, 1173 $rmp->{exit_on_final_map},
1139 $rmp->{xsize}, $rmp->{ysize}, 1174 $rmp->{xsize}, $rmp->{ysize},
1140 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1175 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1176 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1177 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1178 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1179 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145 (cf::region::find $rmp->{region}) 1180 (cf::region::find $rmp->{region}), $rmp->{custom}
1181 )
1182}
1183
1184=item cf::map->register ($regex, $prio)
1185
1186Register a handler for the map path matching the given regex at the
1187givne priority (higher is better, built-in handlers have priority 0, the
1188default).
1189
1190=cut
1191
1192sub register {
1193 my (undef, $regex, $prio) = @_;
1194 my $pkg = caller;
1195
1196 no strict;
1197 push @{"$pkg\::ISA"}, __PACKAGE__;
1198
1199 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200}
1201
1202# also paths starting with '/'
1203$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1204
1205sub thawer_merge {
1206 my ($self, $merge) = @_;
1207
1208 # we have to keep some variables in memory intact
1209 local $self->{path};
1210 local $self->{load_path};
1211 local $self->{deny_save};
1212 local $self->{deny_reset};
1213
1214 $self->SUPER::thawer_merge ($merge);
1215}
1216
1217sub normalise {
1218 my ($path, $base) = @_;
1219
1220 $path = "$path"; # make sure its a string
1221
1222 $path =~ s/\.map$//;
1223
1224 # map plan:
1225 #
1226 # /! non-realised random map exit (special hack!)
1227 # {... are special paths that are not being touched
1228 # ?xxx/... are special absolute paths
1229 # ?random/... random maps
1230 # /... normal maps
1231 # ~user/... per-player map of a specific user
1232
1233 $path =~ s/$PATH_SEP/\//go;
1234
1235 # treat it as relative path if it starts with
1236 # something that looks reasonable
1237 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1238 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1239
1240 $base =~ s{[^/]+/?$}{};
1241 $path = "$base/$path";
1242 }
1243
1244 for ($path) {
1245 redo if s{//}{/};
1246 redo if s{/\.?/}{/};
1247 redo if s{/[^/]+/\.\./}{/};
1248 }
1249
1250 $path
1251}
1252
1253sub new_from_path {
1254 my (undef, $path, $base) = @_;
1255
1256 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1257
1258 $path = normalise $path, $base;
1259
1260 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1261 if ($path =~ $EXT_MAP{$pkg}[1]) {
1262 my $self = bless cf::map::new, $pkg;
1263 $self->{path} = $path; $self->path ($path);
1264 $self->init; # pass $1 etc.
1265 return $self;
1266 }
1267 }
1268
1269 Carp::carp "unable to resolve path '$path' (base '$base').";
1270 ()
1271}
1272
1273sub init {
1274 my ($self) = @_;
1275
1276 $self
1277}
1278
1279sub as_string {
1280 my ($self) = @_;
1281
1282 "$self->{path}"
1283}
1284
1285# the displayed name, this is a one way mapping
1286sub visible_name {
1287 &as_string
1288}
1289
1290# the original (read-only) location
1291sub load_path {
1292 my ($self) = @_;
1293
1294 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1295}
1296
1297# the temporary/swap location
1298sub save_path {
1299 my ($self) = @_;
1300
1301 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1303}
1304
1305# the unique path, undef == no special unique path
1306sub uniq_path {
1307 my ($self) = @_;
1308
1309 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1146} 1311}
1147 1312
1148# and all this just because we cannot iterate over 1313# and all this just because we cannot iterate over
1149# all maps in C++... 1314# all maps in C++...
1150sub change_all_map_light { 1315sub change_all_map_light {
1152 1317
1153 $_->change_map_light ($change) 1318 $_->change_map_light ($change)
1154 for grep $_->outdoor, values %cf::MAP; 1319 for grep $_->outdoor, values %cf::MAP;
1155} 1320}
1156 1321
1322sub unlink_save {
1323 my ($self) = @_;
1324
1325 utf8::encode (my $save = $self->save_path);
1326 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1327 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1328}
1329
1157sub try_load_header($) { 1330sub load_header_from($) {
1158 my ($path) = @_; 1331 my ($self, $path) = @_;
1159 1332
1160 utf8::encode $path; 1333 utf8::encode $path;
1161 aio_open $path, O_RDONLY, 0 1334 #aio_open $path, O_RDONLY, 0
1335 # or return;
1336
1337 $self->_load_header ($path)
1162 or return; 1338 or return;
1163 1339
1164 my $map = cf::map::new 1340 $self->{load_path} = $path;
1341
1342 1
1343}
1344
1345sub load_header_orig {
1346 my ($self) = @_;
1347
1348 $self->load_header_from ($self->load_path)
1349}
1350
1351sub load_header_temp {
1352 my ($self) = @_;
1353
1354 $self->load_header_from ($self->save_path)
1355}
1356
1357sub prepare_temp {
1358 my ($self) = @_;
1359
1360 $self->last_access ((delete $self->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $self->{instantiate_time} = $cf::RUNTIME
1364 if $self->{instantiate_time} > $cf::RUNTIME;
1365}
1366
1367sub prepare_orig {
1368 my ($self) = @_;
1369
1370 $self->{load_original} = 1;
1371 $self->{instantiate_time} = $cf::RUNTIME;
1372 $self->last_access ($cf::RUNTIME);
1373 $self->instantiate;
1374}
1375
1376sub load_header {
1377 my ($self) = @_;
1378
1379 if ($self->load_header_temp) {
1380 $self->prepare_temp;
1381 } else {
1382 $self->load_header_orig
1165 or return; 1383 or return;
1384 $self->prepare_orig;
1385 }
1166 1386
1167 # for better error messages only, will be overwritten 1387 1
1168 $map->path ($path);
1169
1170 $map->load_header ($path)
1171 or return;
1172
1173 $map->{load_path} = $path;
1174
1175 $map
1176} 1388}
1177 1389
1178sub find; 1390sub find;
1179sub find { 1391sub find {
1180 my ($path, $origin) = @_; 1392 my ($path, $origin) = @_;
1181 1393
1182 #warn "find<$path,$origin>\n";#d#
1183
1184 $path = new cf::path $path, $origin && $origin->path; 1394 $path = normalise $path, $origin && $origin->path;
1185 my $key = $path->as_string;
1186 1395
1187 cf::lock_wait "map_find:$key"; 1396 cf::lock_wait "map_find:$path";
1188 1397
1189 $cf::MAP{$key} || do { 1398 $cf::MAP{$path} || do {
1190 my $guard = cf::lock_acquire "map_find:$key"; 1399 my $guard = cf::lock_acquire "map_find:$path";
1191 1400 my $map = new_from_path cf::map $path
1192 # do it the slow way
1193 my $map = try_load_header $path->save_path;
1194
1195 Coro::cede;
1196
1197 if ($map) {
1198 $map->last_access ((delete $map->{last_access})
1199 || $cf::RUNTIME); #d#
1200 # safety
1201 $map->{instantiate_time} = $cf::RUNTIME
1202 if $map->{instantiate_time} > $cf::RUNTIME;
1203 } else {
1204 if (my $rmp = $path->random_map_params) {
1205 $map = generate_random_map $key, $rmp;
1206 } else {
1207 $map = try_load_header $path->load_path;
1208 }
1209
1210 $map or return; 1401 or return;
1211 1402
1212 $map->{load_original} = 1;
1213 $map->{instantiate_time} = $cf::RUNTIME;
1214 $map->last_access ($cf::RUNTIME);
1215 $map->instantiate;
1216
1217 # per-player maps become, after loading, normal maps
1218 $map->per_player (0) if $path->{user_rel};
1219 }
1220
1221 $map->path ($key);
1222 $map->{path} = $path;
1223 $map->{last_save} = $cf::RUNTIME; 1403 $map->{last_save} = $cf::RUNTIME;
1224 1404
1225 Coro::cede; 1405 $map->load_header
1406 or return;
1226 1407
1227 if ($map->should_reset) { 1408 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1409 # doing this can freeze the server in a sync job, obviously
1410 #$cf::WAIT_FOR_TICK->wait;
1228 $map->reset; 1411 $map->reset;
1229 undef $guard; 1412 undef $guard;
1230 $map = find $path 1413 return find $path;
1231 or return;
1232 } 1414 }
1233 1415
1234 $cf::MAP{$key} = $map 1416 $cf::MAP{$path} = $map
1235 } 1417 }
1236} 1418}
1419
1420sub pre_load { }
1421sub post_load { }
1237 1422
1238sub load { 1423sub load {
1239 my ($self) = @_; 1424 my ($self) = @_;
1240 1425
1426 local $self->{deny_reset} = 1; # loading can take a long time
1427
1241 my $path = $self->{path}; 1428 my $path = $self->{path};
1242 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1429 my $guard = cf::lock_acquire "map_load:$path";
1243 1430
1244 return if $self->in_memory != cf::MAP_SWAPPED; 1431 return if $self->in_memory != cf::MAP_SWAPPED;
1245 1432
1246 $self->in_memory (cf::MAP_LOADING); 1433 $self->in_memory (cf::MAP_LOADING);
1247 1434
1248 $self->alloc; 1435 $self->alloc;
1436
1437 $self->pre_load;
1438
1249 $self->load_objects ($self->{load_path}, 1) 1439 $self->_load_objects ($self->{load_path}, 1)
1250 or return; 1440 or return;
1251 1441
1252 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1442 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253 if delete $self->{load_original}; 1443 if delete $self->{load_original};
1254 1444
1255 if (my $uniq = $path->uniq_path) { 1445 if (my $uniq = $self->uniq_path) {
1256 utf8::encode $uniq; 1446 utf8::encode $uniq;
1257 if (aio_open $uniq, O_RDONLY, 0) { 1447 if (aio_open $uniq, O_RDONLY, 0) {
1258 $self->clear_unique_items; 1448 $self->clear_unique_items;
1259 $self->load_objects ($uniq, 0); 1449 $self->_load_objects ($uniq, 0);
1260 } 1450 }
1261 } 1451 }
1262 1452
1263 Coro::cede; 1453 Coro::cede;
1264 1454
1265 # now do the right thing for maps 1455 # now do the right thing for maps
1266 $self->link_multipart_objects; 1456 $self->link_multipart_objects;
1267 1457
1268 if ($self->{path}->is_style_map) { 1458 unless ($self->{deny_activate}) {
1269 $self->{deny_save} = 1; 1459 $self->decay_objects;
1270 $self->{deny_reset} = 1;
1271 } else {
1272 $self->fix_auto_apply; 1460 $self->fix_auto_apply;
1273 $self->decay_objects;
1274 $self->update_buttons; 1461 $self->update_buttons;
1462 Coro::cede;
1275 $self->set_darkness_map; 1463 $self->set_darkness_map;
1276 $self->difficulty ($self->estimate_difficulty) 1464 $self->difficulty ($self->estimate_difficulty)
1277 unless $self->difficulty; 1465 unless $self->difficulty;
1466 Coro::cede;
1278 $self->activate; 1467 $self->activate;
1279 } 1468 }
1280 1469
1281 Coro::cede; 1470 $self->post_load;
1282 1471
1283 $self->in_memory (cf::MAP_IN_MEMORY); 1472 $self->in_memory (cf::MAP_IN_MEMORY);
1473}
1474
1475sub customise_for {
1476 my ($self, $ob) = @_;
1477
1478 return find "~" . $ob->name . "/" . $self->{path}
1479 if $self->per_player;
1480
1481 $self
1482}
1483
1484# find and load all maps in the 3x3 area around a map
1485sub load_diag {
1486 my ($map) = @_;
1487
1488 my @diag; # diagonal neighbours
1489
1490 for (0 .. 3) {
1491 my $neigh = $map->tile_path ($_)
1492 or next;
1493 $neigh = find $neigh, $map
1494 or next;
1495 $neigh->load;
1496
1497 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1498 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1499 }
1500
1501 for (@diag) {
1502 my $neigh = find @$_
1503 or next;
1504 $neigh->load;
1505 }
1284} 1506}
1285 1507
1286sub find_sync { 1508sub find_sync {
1287 my ($path, $origin) = @_; 1509 my ($path, $origin) = @_;
1288 1510
1289 cf::sync_job { cf::map::find $path, $origin } 1511 cf::sync_job { find $path, $origin }
1290} 1512}
1291 1513
1292sub do_load_sync { 1514sub do_load_sync {
1293 my ($map) = @_; 1515 my ($map) = @_;
1294 1516
1295 cf::sync_job { $map->load }; 1517 cf::sync_job { $map->load };
1296} 1518}
1297 1519
1520our %MAP_PREFETCH;
1521our $MAP_PREFETCHER = undef;
1522
1523sub find_async {
1524 my ($path, $origin) = @_;
1525
1526 $path = normalise $path, $origin && $origin->{path};
1527
1528 if (my $map = $cf::MAP{$path}) {
1529 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1530 }
1531
1532 undef $MAP_PREFETCH{$path};
1533 $MAP_PREFETCHER ||= cf::async {
1534 while (%MAP_PREFETCH) {
1535 for my $path (keys %MAP_PREFETCH) {
1536 my $map = find $path
1537 or next;
1538 $map->load;
1539
1540 delete $MAP_PREFETCH{$path};
1541 }
1542 }
1543 undef $MAP_PREFETCHER;
1544 };
1545 $MAP_PREFETCHER->prio (6);
1546
1547 ()
1548}
1549
1298sub save { 1550sub save {
1299 my ($self) = @_; 1551 my ($self) = @_;
1300 1552
1301 my $lock = cf::lock_acquire "map_data:" . $self->path; 1553 my $lock = cf::lock_acquire "map_data:" . $self->path;
1302 1554
1303 $self->{last_save} = $cf::RUNTIME; 1555 $self->{last_save} = $cf::RUNTIME;
1304 1556
1305 return unless $self->dirty; 1557 return unless $self->dirty;
1306 1558
1307 my $save = $self->{path}->save_path; utf8::encode $save; 1559 my $save = $self->save_path; utf8::encode $save;
1308 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1560 my $uniq = $self->uniq_path; utf8::encode $uniq;
1309 1561
1310 $self->{load_path} = $save; 1562 $self->{load_path} = $save;
1311 1563
1312 return if $self->{deny_save}; 1564 return if $self->{deny_save};
1313 1565
1314 local $self->{last_access} = $self->last_access;#d# 1566 local $self->{last_access} = $self->last_access;#d#
1315 1567
1568 cf::async {
1569 $_->contr->save for $self->players;
1570 };
1571
1316 if ($uniq) { 1572 if ($uniq) {
1317 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1573 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318 $self->save_objects ($uniq, cf::IO_UNIQUES); 1574 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1319 } else { 1575 } else {
1320 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1576 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321 } 1577 }
1322} 1578}
1323 1579
1324sub swap_out { 1580sub swap_out {
1325 my ($self) = @_; 1581 my ($self) = @_;
1339 1595
1340sub reset_at { 1596sub reset_at {
1341 my ($self) = @_; 1597 my ($self) = @_;
1342 1598
1343 # TODO: safety, remove and allow resettable per-player maps 1599 # TODO: safety, remove and allow resettable per-player maps
1344 return 1e99 if $self->{path}{user_rel}; 1600 return 1e99 if $self->isa ("ext::map_per_player");#d#
1345 return 1e99 if $self->{deny_reset}; 1601 return 1e99 if $self->{deny_reset};
1346 1602
1347 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1603 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1348 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1604 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1349 1605
1354 my ($self) = @_; 1610 my ($self) = @_;
1355 1611
1356 $self->reset_at <= $cf::RUNTIME 1612 $self->reset_at <= $cf::RUNTIME
1357} 1613}
1358 1614
1359sub unlink_save {
1360 my ($self) = @_;
1361
1362 utf8::encode (my $save = $self->{path}->save_path);
1363 aioreq_pri 3; IO::AIO::aio_unlink $save;
1364 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1365}
1366
1367sub rename {
1368 my ($self, $new_path) = @_;
1369
1370 $self->unlink_save;
1371
1372 delete $cf::MAP{$self->path};
1373 $self->{path} = new cf::path $new_path;
1374 $self->path ($self->{path}->as_string);
1375 $cf::MAP{$self->path} = $self;
1376
1377 $self->save;
1378}
1379
1380sub reset { 1615sub reset {
1381 my ($self) = @_; 1616 my ($self) = @_;
1382 1617
1383 my $lock = cf::lock_acquire "map_data:" . $self->path; 1618 my $lock = cf::lock_acquire "map_data:$self->{path}";
1384 1619
1385 return if $self->players; 1620 return if $self->players;
1386 return if $self->{path}{user_rel};#d# 1621 return if $self->isa ("ext::map_per_player");#d#
1387 1622
1388 warn "resetting map ", $self->path;#d# 1623 warn "resetting map ", $self->path;#d#
1389 1624
1625 $self->in_memory (cf::MAP_SWAPPED);
1626
1627 # need to save uniques path
1628 unless ($self->{deny_save}) {
1629 my $uniq = $self->uniq_path; utf8::encode $uniq;
1630
1631 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1632 if $uniq;
1633 }
1634
1390 delete $cf::MAP{$self->path}; 1635 delete $cf::MAP{$self->path};
1636
1637 $self->clear;
1391 1638
1392 $_->clear_links_to ($self) for values %cf::MAP; 1639 $_->clear_links_to ($self) for values %cf::MAP;
1393 1640
1394 $self->unlink_save; 1641 $self->unlink_save;
1395 $self->destroy; 1642 $self->destroy;
1398my $nuke_counter = "aaaa"; 1645my $nuke_counter = "aaaa";
1399 1646
1400sub nuke { 1647sub nuke {
1401 my ($self) = @_; 1648 my ($self) = @_;
1402 1649
1650 delete $cf::MAP{$self->path};
1651
1652 $self->unlink_save;
1653
1654 bless $self, "cf::map";
1655 delete $self->{deny_reset};
1403 $self->{deny_save} = 1; 1656 $self->{deny_save} = 1;
1404 $self->reset_timeout (1); 1657 $self->reset_timeout (1);
1405 $self->rename ("{nuke}/" . ($nuke_counter++)); 1658 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659
1660 $cf::MAP{$self->path} = $self;
1661
1406 $self->reset; # polite request, might not happen 1662 $self->reset; # polite request, might not happen
1407} 1663}
1408 1664
1409sub customise_for { 1665=item cf::map::unique_maps
1410 my ($map, $ob) = @_;
1411 1666
1412 if ($map->per_player) { 1667Returns an arrayref of paths of all shared maps that have
1413 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1668instantiated unique items. May block.
1414 }
1415 1669
1416 $map 1670=cut
1417}
1418 1671
1419sub emergency_save { 1672sub unique_maps() {
1420 my $freeze_guard = cf::freeze_mainloop; 1673 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1674 or return;
1421 1675
1422 warn "enter emergency map save\n"; 1676 my @paths;
1423 1677
1424 cf::sync_job { 1678 for (@$files) {
1425 warn "begin emergency map save\n"; 1679 utf8::decode $_;
1426 $_->save for values %cf::MAP; 1680 next if /\.pst$/;
1681 next unless /^$PATH_SEP/o;
1682
1683 push @paths, cf::map::normalise $_;
1427 }; 1684 }
1428 1685
1429 warn "end emergency map save\n"; 1686 \@paths
1430} 1687}
1431 1688
1432package cf; 1689package cf;
1433 1690
1434=back 1691=back
1435 1692
1693=head3 cf::object
1694
1695=cut
1696
1697package cf::object;
1698
1699=over 4
1700
1701=item $ob->inv_recursive
1702
1703Returns the inventory of the object _and_ their inventories, recursively.
1704
1705=cut
1706
1707sub inv_recursive_;
1708sub inv_recursive_ {
1709 map { $_, inv_recursive_ $_->inv } @_
1710}
1711
1712sub inv_recursive {
1713 inv_recursive_ inv $_[0]
1714}
1715
1716package cf;
1717
1718=back
1436 1719
1437=head3 cf::object::player 1720=head3 cf::object::player
1438 1721
1439=over 4 1722=over 4
1440 1723
1480 1763
1481=item $player_object->enter_link 1764=item $player_object->enter_link
1482 1765
1483Freezes the player and moves him/her to a special map (C<{link}>). 1766Freezes the player and moves him/her to a special map (C<{link}>).
1484 1767
1485The player should be reaosnably safe there for short amounts of time. You 1768The player should be reasonably safe there for short amounts of time. You
1486I<MUST> call C<leave_link> as soon as possible, though. 1769I<MUST> call C<leave_link> as soon as possible, though.
1487 1770
1771Will never block.
1772
1488=item $player_object->leave_link ($map, $x, $y) 1773=item $player_object->leave_link ($map, $x, $y)
1489 1774
1490Moves the player out of the specila link map onto the given map. If the 1775Moves the player out of the special C<{link}> map onto the specified
1491map is not valid (or omitted), the player will be moved back to the 1776map. If the map is not valid (or omitted), the player will be moved back
1492location he/she was before the call to C<enter_link>, or, if that fails, 1777to the location he/she was before the call to C<enter_link>, or, if that
1493to the emergency map position. 1778fails, to the emergency map position.
1494 1779
1495Might block. 1780Might block.
1496 1781
1497=cut 1782=cut
1783
1784sub link_map {
1785 unless ($LINK_MAP) {
1786 $LINK_MAP = cf::map::find "{link}"
1787 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1788 $LINK_MAP->load;
1789 }
1790
1791 $LINK_MAP
1792}
1498 1793
1499sub cf::object::player::enter_link { 1794sub cf::object::player::enter_link {
1500 my ($self) = @_; 1795 my ($self) = @_;
1501 1796
1502 $self->deactivate_recursive; 1797 $self->deactivate_recursive;
1503 1798
1504 return if $self->map == $LINK_MAP; 1799 return if UNIVERSAL::isa $self->map, "ext::map_link";
1505 1800
1506 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1801 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1507 if $self->map; 1802 if $self->map;
1508 1803
1509 $self->enter_map ($LINK_MAP, 20, 20); 1804 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1510} 1805}
1511 1806
1512sub cf::object::player::leave_link { 1807sub cf::object::player::leave_link {
1513 my ($self, $map, $x, $y) = @_; 1808 my ($self, $map, $x, $y) = @_;
1514 1809
1532 # use -1 or undef as default coordinates, not 0, 0 1827 # use -1 or undef as default coordinates, not 0, 0
1533 ($x, $y) = ($map->enter_x, $map->enter_y) 1828 ($x, $y) = ($map->enter_x, $map->enter_y)
1534 if $x <=0 && $y <= 0; 1829 if $x <=0 && $y <= 0;
1535 1830
1536 $map->load; 1831 $map->load;
1832 $map->load_diag;
1537 1833
1834 return unless $self->contr->active;
1538 $self->activate_recursive; 1835 $self->activate_recursive;
1836
1837 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1539 $self->enter_map ($map, $x, $y); 1838 $self->enter_map ($map, $x, $y);
1540} 1839}
1541 1840
1542cf::player->attach ( 1841cf::player->attach (
1543 on_logout => sub { 1842 on_logout => sub {
1555 1854
1556 # try to abort aborted map switching on player login :) 1855 # try to abort aborted map switching on player login :)
1557 # should happen only on crashes 1856 # should happen only on crashes
1558 if ($pl->ob->{_link_pos}) { 1857 if ($pl->ob->{_link_pos}) {
1559 $pl->ob->enter_link; 1858 $pl->ob->enter_link;
1560 cf::async { 1859 (async {
1860 $pl->ob->reply (undef,
1861 "There was an internal problem at your last logout, "
1862 . "the server will try to bring you to your intended destination in a second.",
1863 cf::NDI_RED);
1561 # we need this sleep as the login has a concurrent enter_exit running 1864 # we need this sleep as the login has a concurrent enter_exit running
1562 # and this sleep increases chances of the player not ending up in scorn 1865 # and this sleep increases chances of the player not ending up in scorn
1563 Coro::Timer::sleep 1; 1866 Coro::Timer::sleep 1;
1564 $pl->ob->leave_link; 1867 $pl->ob->leave_link;
1565 }; 1868 })->prio (2);
1566 } 1869 }
1567 }, 1870 },
1568); 1871);
1569 1872
1570=item $player_object->goto ($path, $x, $y) 1873=item $player_object->goto ($path, $x, $y)
1574sub cf::object::player::goto { 1877sub cf::object::player::goto {
1575 my ($self, $path, $x, $y) = @_; 1878 my ($self, $path, $x, $y) = @_;
1576 1879
1577 $self->enter_link; 1880 $self->enter_link;
1578 1881
1579 (cf::async { 1882 (async {
1580 $path = new cf::path $path; 1883 my $map = eval {
1581
1582 my $map = cf::map::find $path->as_string; 1884 my $map = cf::map::find $path;
1583 $map = $map->customise_for ($self) if $map; 1885 $map = $map->customise_for ($self) if $map;
1584 1886 $map
1585# warn "entering ", $map->path, " at ($x, $y)\n" 1887 } or
1586# if $map;
1587
1588 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1888 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1589 1889
1590 $self->leave_link ($map, $x, $y); 1890 $self->leave_link ($map, $x, $y);
1591 })->prio (1); 1891 })->prio (1);
1592} 1892}
1593 1893
1597 1897
1598sub parse_random_map_params { 1898sub parse_random_map_params {
1599 my ($spec) = @_; 1899 my ($spec) = @_;
1600 1900
1601 my $rmp = { # defaults 1901 my $rmp = { # defaults
1602 xsize => 10, 1902 xsize => (cf::rndm 15, 40),
1603 ysize => 10, 1903 ysize => (cf::rndm 15, 40),
1904 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1905 #layout => string,
1604 }; 1906 };
1605 1907
1606 for (split /\n/, $spec) { 1908 for (split /\n/, $spec) {
1607 my ($k, $v) = split /\s+/, $_, 2; 1909 my ($k, $v) = split /\s+/, $_, 2;
1608 1910
1612 $rmp 1914 $rmp
1613} 1915}
1614 1916
1615sub prepare_random_map { 1917sub prepare_random_map {
1616 my ($exit) = @_; 1918 my ($exit) = @_;
1919
1920 my $guard = cf::lock_acquire "exit_prepare:$exit";
1617 1921
1618 # all this does is basically replace the /! path by 1922 # all this does is basically replace the /! path by
1619 # a new random map path (?random/...) with a seed 1923 # a new random map path (?random/...) with a seed
1620 # that depends on the exit object 1924 # that depends on the exit object
1621 1925
1622 my $rmp = parse_random_map_params $exit->msg; 1926 my $rmp = parse_random_map_params $exit->msg;
1623 1927
1624 if ($exit->map) { 1928 if ($exit->map) {
1625 $rmp->{region} = $exit->map->region_name; 1929 $rmp->{region} = $exit->region->name;
1626 $rmp->{origin_map} = $exit->map->path; 1930 $rmp->{origin_map} = $exit->map->path;
1627 $rmp->{origin_x} = $exit->x; 1931 $rmp->{origin_x} = $exit->x;
1628 $rmp->{origin_y} = $exit->y; 1932 $rmp->{origin_y} = $exit->y;
1629 } 1933 }
1630 1934
1631 $rmp->{random_seed} ||= $exit->random_seed; 1935 $rmp->{random_seed} ||= $exit->random_seed;
1632 1936
1633 my $data = cf::to_json $rmp; 1937 my $data = cf::to_json $rmp;
1634 my $md5 = Digest::MD5::md5_hex $data; 1938 my $md5 = Digest::MD5::md5_hex $data;
1939 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1635 1940
1636 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1941 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1637 aio_write $fh, 0, (length $data), $data, 0; 1942 aio_write $fh, 0, (length $data), $data, 0;
1943 undef $fh;
1944 aio_rename "$meta~", $meta;
1638 1945
1639 $exit->slaying ("?random/$md5"); 1946 $exit->slaying ("?random/$md5");
1640 $exit->msg (undef); 1947 $exit->msg (undef);
1641 } 1948 }
1642} 1949}
1644sub cf::object::player::enter_exit { 1951sub cf::object::player::enter_exit {
1645 my ($self, $exit) = @_; 1952 my ($self, $exit) = @_;
1646 1953
1647 return unless $self->type == cf::PLAYER; 1954 return unless $self->type == cf::PLAYER;
1648 1955
1956 if ($exit->slaying eq "/!") {
1957 #TODO: this should de-fi-ni-te-ly not be a sync-job
1958 cf::sync_job { prepare_random_map $exit };
1959 }
1960
1961 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962 my $hp = $exit->stats->hp;
1963 my $sp = $exit->stats->sp;
1964
1649 $self->enter_link; 1965 $self->enter_link;
1650 1966
1651 (cf::async { 1967 (async {
1652 $self->deactivate_recursive; # just to be sure 1968 $self->deactivate_recursive; # just to be sure
1653 unless (eval { 1969 unless (eval {
1654 prepare_random_map $exit 1970 $self->goto ($slaying, $hp, $sp);
1655 if $exit->slaying eq "/!";
1656
1657 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1658 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1659 1971
1660 1; 1972 1;
1661 }) { 1973 }) {
1662 $self->message ("Something went wrong deep within the crossfire server. " 1974 $self->message ("Something went wrong deep within the crossfire server. "
1663 . "I'll try to bring you back to the map you were before. " 1975 . "I'll try to bring you back to the map you were before. "
1664 . "Please report this to the dungeon master", 1976 . "Please report this to the dungeon master!",
1665 cf::NDI_UNIQUE | cf::NDI_RED); 1977 cf::NDI_UNIQUE | cf::NDI_RED);
1666 1978
1667 warn "ERROR in enter_exit: $@"; 1979 warn "ERROR in enter_exit: $@";
1668 $self->leave_link; 1980 $self->leave_link;
1669 } 1981 }
1683 1995
1684sub cf::client::send_drawinfo { 1996sub cf::client::send_drawinfo {
1685 my ($self, $text, $flags) = @_; 1997 my ($self, $text, $flags) = @_;
1686 1998
1687 utf8::encode $text; 1999 utf8::encode $text;
1688 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2000 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1689} 2001}
1690 2002
1691 2003
1692=item $success = $client->query ($flags, "text", \&cb) 2004=item $success = $client->query ($flags, "text", \&cb)
1693 2005
1724 # get handled first 2036 # get handled first
1725 my $queue = delete $ns->{query_queue} 2037 my $queue = delete $ns->{query_queue}
1726 or return; # be conservative, not sure how that can happen, but we saw a crash here 2038 or return; # be conservative, not sure how that can happen, but we saw a crash here
1727 2039
1728 (shift @$queue)->[1]->($msg); 2040 (shift @$queue)->[1]->($msg);
2041 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1729 2042
1730 push @{ $ns->{query_queue} }, @$queue; 2043 push @{ $ns->{query_queue} }, @$queue;
1731 2044
1732 if (@{ $ns->{query_queue} } == @$queue) { 2045 if (@{ $ns->{query_queue} } == @$queue) {
1733 if (@$queue) { 2046 if (@$queue) {
1737 } 2050 }
1738 } 2051 }
1739 }, 2052 },
1740); 2053);
1741 2054
1742=item $client->coro (\&cb) 2055=item $client->async (\&cb)
1743 2056
1744Create a new coroutine, running the specified callback. The coroutine will 2057Create a new coroutine, running the specified callback. The coroutine will
1745be automatically cancelled when the client gets destroyed (e.g. on logout, 2058be automatically cancelled when the client gets destroyed (e.g. on logout,
1746or loss of connection). 2059or loss of connection).
1747 2060
1748=cut 2061=cut
1749 2062
1750sub cf::client::coro { 2063sub cf::client::async {
1751 my ($self, $cb) = @_; 2064 my ($self, $cb) = @_;
1752 2065
1753 my $coro = &cf::async ($cb); 2066 my $coro = &Coro::async ($cb);
1754 2067
1755 $coro->on_destroy (sub { 2068 $coro->on_destroy (sub {
1756 delete $self->{_coro}{$coro+0}; 2069 delete $self->{_coro}{$coro+0};
1757 }); 2070 });
1758 2071
1894The parameter C<$family> should best start with the name of the extension 2207The parameter C<$family> should best start with the name of the extension
1895using it, it should be unique. 2208using it, it should be unique.
1896 2209
1897=over 4 2210=over 4
1898 2211
1899=item $hashref = cf::db_get $family
1900
1901Return a hashref for use by the extension C<$family>, which can be
1902modified. After modifications, you have to call C<cf::db_dirty> or
1903C<cf::db_sync>.
1904
1905=item $value = cf::db_get $family => $key 2212=item $value = cf::db_get $family => $key
1906 2213
1907Returns a single value from the database 2214Returns a single value from the database.
1908
1909=item cf::db_put $family => $hashref
1910
1911Stores the given family hashref into the database. Updates are delayed, if
1912you want the data to be synced to disk immediately, use C<cf::db_sync>.
1913 2215
1914=item cf::db_put $family => $key => $value 2216=item cf::db_put $family => $key => $value
1915 2217
1916Stores the given C<$value> in the family hash. Updates are delayed, if you 2218Stores the given C<$value> in the family.
1917want the data to be synced to disk immediately, use C<cf::db_sync>.
1918
1919=item cf::db_dirty
1920
1921Marks the database as dirty, to be updated at a later time.
1922
1923=item cf::db_sync
1924
1925Immediately write the database to disk I<if it is dirty>.
1926 2219
1927=cut 2220=cut
1928 2221
1929our $DB; 2222our $DB;
1930 2223
1931{ 2224sub db_init {
2225 unless ($DB) {
2226 $DB = BDB::db_create $DB_ENV;
2227
2228 cf::sync_job {
2229 eval {
2230 $DB->set_flags (BDB::CHKSUM);
2231
2232 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234 cf::cleanup "db_open(db): $!" if $!;
2235 };
2236 cf::cleanup "db_open(db): $@" if $@;
2237 };
2238
1932 my $path = cf::localdir . "/database.pst"; 2239 my $path = cf::localdir . "/database.pst";
2240 if (stat $path) {
2241 cf::sync_job {
2242 my $pst = Storable::retrieve $path;
1933 2243
1934 sub db_load() { 2244 cf::db_put (board => data => $pst->{board});
1935 $DB = stat $path ? Storable::retrieve $path : { }; 2245 cf::db_put (guildrules => data => $pst->{guildrules});
1936 } 2246 cf::db_put (rent => balance => $pst->{rent}{balance});
2247 BDB::db_env_txn_checkpoint $DB_ENV;
1937 2248
1938 my $pid; 2249 unlink $path;
1939
1940 sub db_save() {
1941 waitpid $pid, 0 if $pid;
1942 if (0 == ($pid = fork)) {
1943 $DB->{_meta}{version} = 1;
1944 Storable::nstore $DB, "$path~";
1945 rename "$path~", $path;
1946 cf::_exit 0 if defined $pid;
1947 } 2250 };
1948 } 2251 }
1949
1950 my $dirty;
1951
1952 sub db_sync() {
1953 db_save if $dirty;
1954 undef $dirty;
1955 }
1956
1957 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1958 db_sync;
1959 }); 2252 }
2253}
1960 2254
1961 sub db_dirty() {
1962 $dirty = 1;
1963 $idle->start;
1964 }
1965
1966 sub db_get($;$) { 2255sub db_get($$) {
1967 @_ >= 2 2256 my $key = "$_[0]/$_[1]";
1968 ? $DB->{$_[0]}{$_[1]}
1969 : ($DB->{$_[0]} ||= { })
1970 }
1971 2257
2258 cf::sync_job {
2259 BDB::db_get $DB, undef, $key, my $data;
2260
2261 $! ? ()
2262 : Compress::LZF::sthaw $data
2263 }
2264}
2265
1972 sub db_put($$;$) { 2266sub db_put($$$) {
1973 if (@_ >= 3) { 2267 BDB::dbreq_pri 4;
1974 $DB->{$_[0]}{$_[1]} = $_[2]; 2268 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269}
2270
2271#############################################################################
2272# the server's init and main functions
2273
2274sub load_faces {
2275 my $path = sprintf "%s/faces", cf::datadir;
2276
2277 warn "loading faces from $path\n";
2278
2279 my $faces;
2280 0 < aio_load $path, $faces
2281 or die "$path: $!";
2282
2283 Coro::cede;
2284 $faces = Storable::thaw $faces;
2285 Coro::cede;
2286
2287 while (my ($face, $info) = each %$faces) {
2288 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2290 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2291 Coro::cede;
2292 }
2293
2294 while (my ($face, $info) = each %$faces) {
2295 next unless $info->{smooth};
2296 my $idx = cf::face::find $face
2297 or next;
2298 if (my $smooth = cf::face::find $info->{smooth}) {
2299 cf::face::set_smooth $idx, $smooth;
2300 warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#
1975 } else { 2301 } else {
1976 $DB->{$_[0]} = $_[1]; 2302 warn "smooth face '$info->{smooth}' not found for face '$face'";
1977 }
1978 db_dirty;
1979 }
1980
1981 cf::global->attach (
1982 prio => 10000,
1983 on_cleanup => sub {
1984 db_sync;
1985 }, 2303 }
1986 ); 2304 Coro::cede;
1987} 2305 }
1988 2306
1989############################################################################# 2307 1
1990# the server's main() 2308}
2309
2310sub reload_resources {
2311 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2312 or die "unable to load regions file\n";#d#
2313 load_faces
2314 or die "unable to load faces\n";#d#
2315}
2316
2317sub init {
2318 reload_resources;
2319}
1991 2320
1992sub cfg_load { 2321sub cfg_load {
1993 open my $fh, "<:utf8", cf::confdir . "/config" 2322 open my $fh, "<:utf8", cf::confdir . "/config"
1994 or return; 2323 or return;
1995 2324
1996 local $/; 2325 local $/;
1997 *CFG = YAML::Syck::Load <$fh>; 2326 *CFG = YAML::Syck::Load <$fh>;
1998 2327
1999 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 2328 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000 2329
2330 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2331 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2332
2001 if (exists $CFG{mlockall}) { 2333 if (exists $CFG{mlockall}) {
2002 eval { 2334 eval {
2003 $CFG{mlockall} ? &mlockall : &munlockall 2335 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004 and die "WARNING: m(un)lockall failed: $!\n"; 2336 and die "WARNING: m(un)lockall failed: $!\n";
2005 }; 2337 };
2006 warn $@ if $@; 2338 warn $@ if $@;
2007 } 2339 }
2008} 2340}
2009 2341
2010sub main { 2342sub main {
2011 # we must not ever block the main coroutine 2343 # we must not ever block the main coroutine
2012 local $Coro::idle = sub { 2344 local $Coro::idle = sub {
2013 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2345 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2014 (Coro::unblock_sub { 2346 (async {
2015 Event::one_event; 2347 Event::one_event;
2016 })->(); 2348 })->prio (Coro::PRIO_MAX);
2017 }; 2349 };
2018 2350
2019 cfg_load; 2351 cfg_load;
2020 db_load; 2352 db_init;
2021 load_extensions; 2353 load_extensions;
2354
2355 $TICK_WATCHER->start;
2022 Event::loop; 2356 Event::loop;
2023} 2357}
2024 2358
2025############################################################################# 2359#############################################################################
2026# initialisation 2360# initialisation and cleanup
2361
2362# install some emergency cleanup handlers
2363BEGIN {
2364 for my $signal (qw(INT HUP TERM)) {
2365 Event->signal (
2366 reentrant => 0,
2367 data => WF_AUTOCANCEL,
2368 signal => $signal,
2369 prio => 0,
2370 cb => sub {
2371 cf::cleanup "SIG$signal";
2372 },
2373 );
2374 }
2375}
2376
2377sub emergency_save() {
2378 my $freeze_guard = cf::freeze_mainloop;
2379
2380 warn "enter emergency perl save\n";
2381
2382 cf::sync_job {
2383 # use a peculiar iteration method to avoid tripping on perl
2384 # refcount bugs in for. also avoids problems with players
2385 # and maps saved/destroyed asynchronously.
2386 warn "begin emergency player save\n";
2387 for my $login (keys %cf::PLAYER) {
2388 my $pl = $cf::PLAYER{$login} or next;
2389 $pl->valid or next;
2390 $pl->save;
2391 }
2392 warn "end emergency player save\n";
2393
2394 warn "begin emergency map save\n";
2395 for my $path (keys %cf::MAP) {
2396 my $map = $cf::MAP{$path} or next;
2397 $map->valid or next;
2398 $map->save;
2399 }
2400 warn "end emergency map save\n";
2401
2402 warn "begin emergency database checkpoint\n";
2403 BDB::db_env_txn_checkpoint $DB_ENV;
2404 warn "end emergency database checkpoint\n";
2405 };
2406
2407 warn "leave emergency perl save\n";
2408}
2409
2410sub post_cleanup {
2411 my ($make_core) = @_;
2412
2413 warn Carp::longmess "post_cleanup backtrace"
2414 if $make_core;
2415}
2027 2416
2028sub reload() { 2417sub reload() {
2029 # can/must only be called in main 2418 # can/must only be called in main
2030 if ($Coro::current != $Coro::main) { 2419 if ($Coro::current != $Coro::main) {
2031 warn "can only reload from main coroutine\n"; 2420 warn "can only reload from main coroutine";
2032 return; 2421 return;
2033 } 2422 }
2034 2423
2035 warn "reloading..."; 2424 warn "reloading...";
2036 2425
2037 my $guard = freeze_mainloop; 2426 warn "entering sync_job";
2427
2428 cf::sync_job {
2429 cf::write_runtime; # external watchdog should not bark
2038 cf::emergency_save; 2430 cf::emergency_save;
2431 cf::write_runtime; # external watchdog should not bark
2039 2432
2040 eval { 2433 warn "syncing database to disk";
2434 BDB::db_env_txn_checkpoint $DB_ENV;
2435
2041 # if anything goes wrong in here, we should simply crash as we already saved 2436 # if anything goes wrong in here, we should simply crash as we already saved
2042 2437
2043 # cancel all watchers 2438 warn "cancelling all WF_AUTOCANCEL watchers";
2044 for (Event::all_watchers) { 2439 for (Event::all_watchers) {
2045 $_->cancel if $_->data & WF_AUTOCANCEL; 2440 $_->cancel if $_->data & WF_AUTOCANCEL;
2046 } 2441 }
2047 2442
2443 warn "flushing outstanding aio requests";
2444 for (;;) {
2445 BDB::flush;
2446 IO::AIO::flush;
2447 Coro::cede;
2448 last unless IO::AIO::nreqs || BDB::nreqs;
2449 warn "iterate...";
2450 }
2451
2452 ++$RELOAD;
2453
2048 # cancel all extension coros 2454 warn "cancelling all extension coros";
2049 $_->cancel for values %EXT_CORO; 2455 $_->cancel for values %EXT_CORO;
2050 %EXT_CORO = (); 2456 %EXT_CORO = ();
2051 2457
2052 # unload all extensions 2458 warn "removing commands";
2053 for (@exts) { 2459 %COMMAND = ();
2460
2461 warn "removing ext commands";
2462 %EXTCMD = ();
2463
2464 warn "unloading/nuking all extensions";
2465 for my $pkg (@EXTS) {
2054 warn "unloading <$_>"; 2466 warn "... unloading $pkg";
2055 unload_extension $_; 2467
2468 if (my $cb = $pkg->can ("unload")) {
2469 eval {
2470 $cb->($pkg);
2471 1
2472 } or warn "$pkg unloaded, but with errors: $@";
2056 } 2473 }
2057 2474
2475 warn "... nuking $pkg";
2476 Symbol::delete_package $pkg;
2477 }
2478
2058 # unload all modules loaded from $LIBDIR 2479 warn "unloading all perl modules loaded from $LIBDIR";
2059 while (my ($k, $v) = each %INC) { 2480 while (my ($k, $v) = each %INC) {
2060 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2481 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2061 2482
2062 warn "removing <$k>"; 2483 warn "... unloading $k";
2063 delete $INC{$k}; 2484 delete $INC{$k};
2064 2485
2065 $k =~ s/\.pm$//; 2486 $k =~ s/\.pm$//;
2066 $k =~ s/\//::/g; 2487 $k =~ s/\//::/g;
2067 2488
2070 } 2491 }
2071 2492
2072 Symbol::delete_package $k; 2493 Symbol::delete_package $k;
2073 } 2494 }
2074 2495
2075 # sync database to disk
2076 cf::db_sync;
2077 IO::AIO::flush;
2078
2079 # get rid of safe::, as good as possible 2496 warn "getting rid of safe::, as good as possible";
2080 Symbol::delete_package "safe::$_" 2497 Symbol::delete_package "safe::$_"
2081 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2498 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2082 2499
2083 # remove register_script_function callbacks
2084 # TODO
2085
2086 # unload cf.pm "a bit" 2500 warn "unloading cf.pm \"a bit\"";
2087 delete $INC{"cf.pm"}; 2501 delete $INC{"cf.pm"};
2088 2502
2089 # don't, removes xs symbols, too, 2503 # don't, removes xs symbols, too,
2090 # and global variables created in xs 2504 # and global variables created in xs
2091 #Symbol::delete_package __PACKAGE__; 2505 #Symbol::delete_package __PACKAGE__;
2092 2506
2093 # reload cf.pm 2507 warn "unload completed, starting to reload now";
2508
2094 warn "reloading cf.pm"; 2509 warn "reloading cf.pm";
2095 require cf; 2510 require cf;
2096 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2511 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2097 2512
2098 # load config and database again 2513 warn "loading config and database again";
2099 cf::cfg_load; 2514 cf::cfg_load;
2100 cf::db_load;
2101 2515
2102 # load extensions
2103 warn "load extensions"; 2516 warn "loading extensions";
2104 cf::load_extensions; 2517 cf::load_extensions;
2105 2518
2106 # reattach attachments to objects 2519 warn "reattaching attachments to objects/players";
2107 warn "reattach"; 2520 _global_reattach; # objects, sockets
2108 _global_reattach; 2521 warn "reattaching attachments to maps";
2109 }; 2522 reattach $_ for values %MAP;
2523 warn "reattaching attachments to players";
2524 reattach $_ for values %PLAYER;
2110 2525
2111 if ($@) { 2526 warn "loading reloadable resources";
2527 reload_resources;
2528
2529 warn "leaving sync_job";
2530
2531 1
2532 } or do {
2112 warn $@; 2533 warn $@;
2113 warn "error while reloading, exiting."; 2534 warn "error while reloading, exiting.";
2114 exit 1; 2535 exit 1;
2115 } 2536 };
2116 2537
2117 warn "reloaded successfully"; 2538 warn "reloaded";
2118}; 2539};
2119 2540
2120############################################################################# 2541our $RELOAD_WATCHER; # used only during reload
2121
2122unless ($LINK_MAP) {
2123 $LINK_MAP = cf::map::new;
2124
2125 $LINK_MAP->width (41);
2126 $LINK_MAP->height (41);
2127 $LINK_MAP->alloc;
2128 $LINK_MAP->path ("{link}");
2129 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2130 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2131
2132 # dirty hack because... archetypes are not yet loaded
2133 Event->timer (
2134 after => 2,
2135 cb => sub {
2136 $_[0]->w->cancel;
2137
2138 # provide some exits "home"
2139 my $exit = cf::object::new "exit";
2140
2141 $exit->slaying ($EMERGENCY_POSITION->[0]);
2142 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2143 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2144
2145 $LINK_MAP->insert ($exit->clone, 19, 19);
2146 $LINK_MAP->insert ($exit->clone, 19, 20);
2147 $LINK_MAP->insert ($exit->clone, 19, 21);
2148 $LINK_MAP->insert ($exit->clone, 20, 19);
2149 $LINK_MAP->insert ($exit->clone, 20, 21);
2150 $LINK_MAP->insert ($exit->clone, 21, 19);
2151 $LINK_MAP->insert ($exit->clone, 21, 20);
2152 $LINK_MAP->insert ($exit->clone, 21, 21);
2153
2154 $exit->destroy;
2155 });
2156
2157 $LINK_MAP->{deny_save} = 1;
2158 $LINK_MAP->{deny_reset} = 1;
2159
2160 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2161}
2162
2163register "<global>", __PACKAGE__;
2164 2542
2165register_command "reload" => sub { 2543register_command "reload" => sub {
2166 my ($who, $arg) = @_; 2544 my ($who, $arg) = @_;
2167 2545
2168 if ($who->flag (FLAG_WIZ)) { 2546 if ($who->flag (FLAG_WIZ)) {
2169 $who->message ("start of reload."); 2547 $who->message ("reloading server.");
2548
2549 # doing reload synchronously and two reloads happen back-to-back,
2550 # coro crashes during coro_state_free->destroy here.
2551
2552 $RELOAD_WATCHER ||= Event->timer (
2553 reentrant => 0,
2554 after => 0,
2555 data => WF_AUTOCANCEL,
2556 cb => sub {
2170 reload; 2557 reload;
2171 $who->message ("end of reload."); 2558 undef $RELOAD_WATCHER;
2559 },
2560 );
2172 } 2561 }
2173}; 2562};
2174 2563
2175unshift @INC, $LIBDIR; 2564unshift @INC, $LIBDIR;
2565
2566my $bug_warning = 0;
2176 2567
2177$TICK_WATCHER = Event->timer ( 2568$TICK_WATCHER = Event->timer (
2178 reentrant => 0, 2569 reentrant => 0,
2570 parked => 1,
2179 prio => 0, 2571 prio => 0,
2180 at => $NEXT_TICK || $TICK, 2572 at => $NEXT_TICK || $TICK,
2181 data => WF_AUTOCANCEL, 2573 data => WF_AUTOCANCEL,
2182 cb => sub { 2574 cb => sub {
2575 if ($Coro::current != $Coro::main) {
2576 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577 unless ++$bug_warning > 10;
2578 return;
2579 }
2580
2581 $NOW = Event::time;
2582
2183 cf::server_tick; # one server iteration 2583 cf::server_tick; # one server iteration
2184 $RUNTIME += $TICK; 2584 $RUNTIME += $TICK;
2185 $NEXT_TICK += $TICK; 2585 $NEXT_TICK += $TICK;
2586
2587 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588 $NEXT_RUNTIME_WRITE = $NOW + 10;
2589 Coro::async_pool {
2590 write_runtime
2591 or warn "ERROR: unable to write runtime file: $!";
2592 };
2593 }
2594
2595 $WAIT_FOR_TICK->broadcast;
2596 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598# my $AFTER = Event::time;
2599# warn $AFTER - $NOW;#d#
2186 2600
2187 # if we are delayed by four ticks or more, skip them all 2601 # if we are delayed by four ticks or more, skip them all
2188 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2602 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2189 2603
2190 $TICK_WATCHER->at ($NEXT_TICK); 2604 $TICK_WATCHER->at ($NEXT_TICK);
2191 $TICK_WATCHER->start; 2605 $TICK_WATCHER->start;
2192 }, 2606 },
2193); 2607);
2194 2608
2609{
2195IO::AIO::max_poll_time $TICK * 0.2; 2610 BDB::max_poll_time $TICK * 0.1;
2196 2611 $BDB_POLL_WATCHER = Event->io (
2197Event->io ( 2612 reentrant => 0,
2198 fd => IO::AIO::poll_fileno, 2613 fd => BDB::poll_fileno,
2199 poll => 'r', 2614 poll => 'r',
2200 prio => 5, 2615 prio => 0,
2201 data => WF_AUTOCANCEL,
2202 cb => \&IO::AIO::poll_cb,
2203);
2204
2205Event->timer (
2206 data => WF_AUTOCANCEL, 2616 data => WF_AUTOCANCEL,
2207 after => 0, 2617 cb => \&BDB::poll_cb,
2208 interval => 10, 2618 );
2209 cb => sub { 2619 BDB::min_parallel 8;
2210 (Coro::unblock_sub { 2620
2211 write_runtime 2621 BDB::set_sync_prepare {
2212 or warn "ERROR: unable to write runtime file: $!"; 2622 my $status;
2623 my $current = $Coro::current;
2624 (
2625 sub {
2626 $status = $!;
2627 $current->ready; undef $current;
2628 },
2629 sub {
2630 Coro::schedule while defined $current;
2631 $! = $status;
2632 },
2633 )
2634 };
2635
2636 unless ($DB_ENV) {
2637 $DB_ENV = BDB::db_env_create;
2638
2639 cf::sync_job {
2640 eval {
2641 BDB::db_env_open
2642 $DB_ENV,
2643 $BDB_ENV_DIR,
2644 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646 0666;
2647
2648 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2649
2650 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651 $DB_ENV->set_lk_detect;
2652 };
2653
2654 cf::cleanup "db_env_open(db): $@" if $@;
2213 })->(); 2655 };
2214 }, 2656 }
2215); 2657}
2658
2659{
2660 IO::AIO::min_parallel 8;
2661
2662 undef $Coro::AIO::WATCHER;
2663 IO::AIO::max_poll_time $TICK * 0.1;
2664 $AIO_POLL_WATCHER = Event->io (
2665 reentrant => 0,
2666 data => WF_AUTOCANCEL,
2667 fd => IO::AIO::poll_fileno,
2668 poll => 'r',
2669 prio => 6,
2670 cb => \&IO::AIO::poll_cb,
2671 );
2672}
2216 2673
2217END { cf::emergency_save } 2674END { cf::emergency_save }
2218 2675
22191 26761
2220 2677

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines