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 1.138 by root, Fri Jan 5 17:07:17 2007 UTC vs.
Revision 1.235 by root, Tue Apr 10 09:35:23 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 ();
23use YAML::Syck (); 26use YAML::Syck ();
27use IO::AIO 2.32 ();
24use Time::HiRes; 28use Time::HiRes;
29use Compress::LZF;
25 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
26use 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
27 37
28# 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?
29$YAML::Syck::ImplicitUnicode = 1; 39$YAML::Syck::ImplicitUnicode = 1;
30 40
31$Coro::main->prio (2); # run main coroutine ("the server") with very high priority 41$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 42
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 43sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 44
35our %COMMAND = (); 45our %COMMAND = ();
36our %COMMAND_TIME = (); 46our %COMMAND_TIME = ();
47
48our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 49our %EXTCMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps
38 52
53our $RELOAD; # number of reloads so far
39our @EVENT; 54our @EVENT;
40our $LIBDIR = datadir . "/ext"; 55our $LIBDIR = datadir . "/ext";
41 56
42our $TICK = MAX_TIME * 1e-6; 57our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 58our $TICK_WATCHER;
59our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 61our $NEXT_TICK;
45our $NOW; 62our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off
64
65our $BDB_POLL_WATCHER;
66our $DB_ENV;
46 67
47our %CFG; 68our %CFG;
48 69
49our $UPTIME; $UPTIME ||= time; 70our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 71our $RUNTIME;
51 72
73our %PLAYER; # all users
52our %MAP; # all maps 74our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 75our $LINK_MAP; # the special {link} map, which is always available
54our $RANDOM_MAPS = cf::localdir . "/random"; 76our $RANDOM_MAPS = cf::localdir . "/random";
55our %EXT_CORO; 77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= 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
56 84
57binmode STDOUT; 85binmode STDOUT;
58binmode STDERR; 86binmode STDERR;
59 87
60# read virtual server time, if available 88# read virtual server time, if available
67mkdir cf::localdir; 95mkdir cf::localdir;
68mkdir cf::localdir . "/" . cf::playerdir; 96mkdir cf::localdir . "/" . cf::playerdir;
69mkdir cf::localdir . "/" . cf::tmpdir; 97mkdir cf::localdir . "/" . cf::tmpdir;
70mkdir cf::localdir . "/" . cf::uniquedir; 98mkdir cf::localdir . "/" . cf::uniquedir;
71mkdir $RANDOM_MAPS; 99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
72 101
73# a special map that is always available
74our $LINK_MAP;
75our $EMERGENCY_POSITION; 102our $EMERGENCY_POSITION;
103
104sub cf::map::normalise;
76 105
77############################################################################# 106#############################################################################
78 107
79=head2 GLOBAL VARIABLES 108=head2 GLOBAL VARIABLES
80 109
104 133
105=item %cf::CFG 134=item %cf::CFG
106 135
107Configuration for the server, loaded from C</etc/crossfire/config>, or 136Configuration for the server, loaded from C</etc/crossfire/config>, or
108from wherever your confdir points to. 137from wherever your confdir points to.
138
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
140
141These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
142or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
143processing has been done. Call C<< ->wait >> on them to maximise the
144window of cpu time available, or simply to synchronise to the server tick.
109 145
110=back 146=back
111 147
112=cut 148=cut
113 149
117 utf8::encode $msg; 153 utf8::encode $msg;
118 154
119 $msg .= "\n" 155 $msg .= "\n"
120 unless $msg =~ /\n$/; 156 unless $msg =~ /\n$/;
121 157
122 LOG llevError, "cfperl: $msg"; 158 LOG llevError, $msg;
123 }; 159 };
124} 160}
125 161
126@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
145 181
146$Event::DIED = sub { 182$Event::DIED = sub {
147 warn "error in event callback: @_"; 183 warn "error in event callback: @_";
148}; 184};
149 185
150my %ext_pkg;
151my @exts;
152my @hook;
153
154=head2 UTILITY FUNCTIONS 186=head2 UTILITY FUNCTIONS
155 187
156=over 4 188=over 4
157 189
158=cut 190=item dumpval $ref
159 191
192=cut
193
194sub dumpval {
195 eval {
196 local $SIG{__DIE__};
197 my $d;
198 if (1) {
199 $d = new Data::Dumper([$_[0]], ["*var"]);
200 $d->Terse(1);
201 $d->Indent(2);
202 $d->Quotekeys(0);
203 $d->Useqq(1);
204 #$d->Bless(...);
205 $d->Seen($_[1]) if @_ > 1;
206 $d = $d->Dump();
207 }
208 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209 $d
210 } || "[unable to dump $_[0]: '$@']";
211}
212
160use JSON::Syck (); # TODO# replace by JSON::PC once working 213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161 214
162=item $ref = cf::from_json $json 215=item $ref = cf::from_json $json
163 216
164Converts a JSON string into the corresponding perl data structure. 217Converts a JSON string into the corresponding perl data structure.
165 218
166=cut
167
168sub from_json($) {
169 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170 JSON::Syck::Load $_[0]
171}
172
173=item $json = cf::to_json $ref 219=item $json = cf::to_json $ref
174 220
175Converts a perl data structure into its JSON representation. 221Converts a perl data structure into its JSON representation.
176
177=cut
178
179sub to_json($) {
180 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181 JSON::Syck::Dump $_[0]
182}
183 222
184=item cf::lock_wait $string 223=item cf::lock_wait $string
185 224
186Wait until the given lock is available. See cf::lock_acquire. 225Wait until the given lock is available. See cf::lock_acquire.
187 226
224} 263}
225 264
226sub freeze_mainloop { 265sub freeze_mainloop {
227 return unless $TICK_WATCHER->is_active; 266 return unless $TICK_WATCHER->is_active;
228 267
229 my $guard = Coro::guard { $TICK_WATCHER->start }; 268 my $guard = Coro::guard {
269 $TICK_WATCHER->start;
270 };
230 $TICK_WATCHER->stop; 271 $TICK_WATCHER->stop;
231 $guard 272 $guard
232} 273}
274
275=item cf::async { BLOCK }
276
277Currently the same as Coro::async_pool, meaning you cannot use
278C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279thing you are allowed to do is call C<prio> on it.
280
281=cut
282
283BEGIN { *async = \&Coro::async_pool }
233 284
234=item cf::sync_job { BLOCK } 285=item cf::sync_job { BLOCK }
235 286
236The design of crossfire+ requires that the main coro ($Coro::main) is 287The design of crossfire+ requires that the main coro ($Coro::main) is
237always able to handle events or runnable, as crossfire+ is only partly 288always able to handle events or runnable, as crossfire+ is only partly
256 my $freeze_guard = freeze_mainloop; 307 my $freeze_guard = freeze_mainloop;
257 308
258 my $busy = 1; 309 my $busy = 1;
259 my @res; 310 my @res;
260 311
261 (Coro::async_pool { 312 (async {
262 @res = eval { $job->() }; 313 @res = eval { $job->() };
263 warn $@ if $@; 314 warn $@ if $@;
264 undef $busy; 315 undef $busy;
265 })->prio (Coro::PRIO_MAX); 316 })->prio (Coro::PRIO_MAX);
266 317
267 while ($busy) { 318 while ($busy) {
268 Coro::cede_notself; 319 Coro::cede or Event::one_event;
269 Event::one_event unless Coro::nready;
270 } 320 }
271 321
272 wantarray ? @res : $res[0] 322 wantarray ? @res : $res[0]
273 } else { 323 } else {
274 # we are in another coroutine, how wonderful, everything just works 324 # we are in another coroutine, how wonderful, everything just works
275 325
276 $job->() 326 $job->()
277 } 327 }
278} 328}
279 329
280=item $coro = cf::coro { BLOCK } 330=item $coro = cf::async_ext { BLOCK }
281 331
282Creates (and readies) and returns a new coro. This coro is automcatially 332Like async, but this coro is automatically being canceled when the
283being canceled when the extension calling this is being unloaded. 333extension calling this is being unloaded.
284 334
285=cut 335=cut
286 336
287sub coro(&) { 337sub async_ext(&) {
288 my $cb = shift; 338 my $cb = shift;
289 339
290 my $coro = &Coro::async_pool ($cb); 340 my $coro = &Coro::async ($cb);
291 341
292 $coro->on_destroy (sub { 342 $coro->on_destroy (sub {
293 delete $EXT_CORO{$coro+0}; 343 delete $EXT_CORO{$coro+0};
294 }); 344 });
295 $EXT_CORO{$coro+0} = $coro; 345 $EXT_CORO{$coro+0} = $coro;
296 346
297 $coro 347 $coro
298} 348}
299 349
300sub write_runtime { 350sub write_runtime {
351 my $guard = cf::lock_acquire "write_runtime";
352
301 my $runtime = cf::localdir . "/runtime"; 353 my $runtime = cf::localdir . "/runtime";
302 354
303 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304 or return; 356 or return;
305 357
358 my $value = $cf::RUNTIME + 90 + 10;
306 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
307 (aio_write $fh, 0, (length $value), $value, 0) <= 0 362 (aio_write $fh, 0, (length $value), $value, 0) <= 0
308 and return; 363 and return;
309 364
365 # always fsync - this file is important
310 aio_fsync $fh 366 aio_fsync $fh
311 and return; 367 and return;
312 368
313 close $fh 369 close $fh
314 or return; 370 or return;
317 and return; 373 and return;
318 374
319 1 375 1
320} 376}
321 377
378=item cf::datalog type => key => value, ...
379
380Log a datalog packet of the given type with the given key-value pairs.
381
382=cut
383
384sub datalog($@) {
385 my ($type, %kv) = @_;
386 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387}
388
322=back 389=back
323 390
324=cut 391=cut
325
326#############################################################################
327
328package cf::path;
329
330sub new {
331 my ($class, $path, $base) = @_;
332
333 $path = $path->as_string if ref $path;
334
335 my $self = bless { }, $class;
336
337 # {... are special paths that are not touched
338 # ?xxx/... are special absolute paths
339 # ?random/... random maps
340 # /! non-realised random map exit
341 # /... normal maps
342 # ~/... per-player maps without a specific player (DO NOT USE)
343 # ~user/... per-player map of a specific user
344
345 if ($path =~ /^{/) {
346 # fine as it is
347 } elsif ($path =~ s{^\?random/}{}) {
348 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349 $self->{random} = cf::from_json $data;
350 } else {
351 if ($path =~ s{^~([^/]+)?}{}) {
352 $self->{user_rel} = 1;
353
354 if (defined $1) {
355 $self->{user} = $1;
356 } elsif ($base =~ m{^~([^/]+)/}) {
357 $self->{user} = $1;
358 } else {
359 warn "cannot resolve user-relative path without user <$path,$base>\n";
360 }
361 } elsif ($path =~ /^\//) {
362 # already absolute
363 } else {
364 $base =~ s{[^/]+/?$}{};
365 return $class->new ("$base/$path");
366 }
367
368 for ($path) {
369 redo if s{/\.?/}{/};
370 redo if s{/[^/]+/\.\./}{/};
371 }
372 }
373
374 $self->{path} = $path;
375
376 $self
377}
378
379# the name / primary key / in-game path
380sub as_string {
381 my ($self) = @_;
382
383 $self->{user_rel} ? "~$self->{user}$self->{path}"
384 : $self->{random} ? "?random/$self->{path}"
385 : $self->{path}
386}
387
388# the displayed name, this is a one way mapping
389sub visible_name {
390 my ($self) = @_;
391
392# if (my $rmp = $self->{random}) {
393# # todo: be more intelligent about this
394# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395# } else {
396 $self->as_string
397# }
398}
399
400# escape the /'s in the path
401sub _escaped_path {
402 # ∕ is U+2215
403 (my $path = $_[0]{path}) =~ s/\//∕/g;
404 $path
405}
406
407# the original (read-only) location
408sub load_path {
409 my ($self) = @_;
410
411 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412}
413
414# the temporary/swap location
415sub save_path {
416 my ($self) = @_;
417
418 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421}
422
423# the unique path, might be eq to save_path
424sub uniq_path {
425 my ($self) = @_;
426
427 $self->{user_rel} || $self->{random}
428 ? undef
429 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430}
431
432# return random map parameters, or undef
433sub random_map_params {
434 my ($self) = @_;
435
436 $self->{random}
437}
438
439# this is somewhat ugly, but style maps do need special treatment
440sub is_style_map {
441 $_[0]{path} =~ m{^/styles/}
442}
443
444package cf;
445 392
446############################################################################# 393#############################################################################
447 394
448=head2 ATTACHABLE OBJECTS 395=head2 ATTACHABLE OBJECTS
449 396
575our @CB_TYPE = (); # registry for type (cf-object class) based events 522our @CB_TYPE = (); # registry for type (cf-object class) based events
576our @CB_MAP = (); 523our @CB_MAP = ();
577 524
578my %attachment; 525my %attachment;
579 526
527sub cf::attachable::thawer_merge {
528 # simply override everything except _meta
529 local $_[0]{_meta};
530 %{$_[0]} = %{$_[1]};
531}
532
580sub _attach_cb($$$$) { 533sub _attach_cb($$$$) {
581 my ($registry, $event, $prio, $cb) = @_; 534 my ($registry, $event, $prio, $cb) = @_;
582 535
583 use sort 'stable'; 536 use sort 'stable';
584 537
755# object support 708# object support
756 709
757sub reattach { 710sub reattach {
758 # basically do the same as instantiate, without calling instantiate 711 # basically do the same as instantiate, without calling instantiate
759 my ($obj) = @_; 712 my ($obj) = @_;
713
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760 715
761 my $registry = $obj->registry; 716 my $registry = $obj->registry;
762 717
763 @$registry = (); 718 @$registry = ();
764 719
811 $filename, length $$rdata, scalar @$objs; 766 $filename, length $$rdata, scalar @$objs;
812 767
813 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814 chmod SAVE_MODE, $fh; 769 chmod SAVE_MODE, $fh;
815 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 770 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816 aio_fsync $fh; 771 aio_fsync $fh if $cf::USE_FSYNC;
817 close $fh; 772 close $fh;
818 773
819 if (@$objs) { 774 if (@$objs) {
820 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) {
821 chmod SAVE_MODE, $fh; 776 chmod SAVE_MODE, $fh;
822 my $data = Storable::nfreeze { version => 1, objs => $objs }; 777 my $data = Storable::nfreeze { version => 1, objs => $objs };
823 aio_write $fh, 0, (length $data), $data, 0; 778 aio_write $fh, 0, (length $data), $data, 0;
824 aio_fsync $fh; 779 aio_fsync $fh if $cf::USE_FSYNC;
825 close $fh; 780 close $fh;
826 aio_rename "$filename.pst~", "$filename.pst"; 781 aio_rename "$filename.pst~", "$filename.pst";
827 } 782 }
828 } else { 783 } else {
829 aio_unlink "$filename.pst"; 784 aio_unlink "$filename.pst";
896=cut 851=cut
897 852
898sub register_extcmd { 853sub register_extcmd {
899 my ($name, $cb) = @_; 854 my ($name, $cb) = @_;
900 855
901 my $caller = caller;
902 #warn "registering extcmd '$name' to '$caller'";
903
904 $EXTCMD{$name} = [$cb, $caller]; 856 $EXTCMD{$name} = $cb;
905} 857}
906 858
907cf::player->attach ( 859cf::player->attach (
908 on_command => sub { 860 on_command => sub {
909 my ($pl, $name, $params) = @_; 861 my ($pl, $name, $params) = @_;
922 874
923 my $msg = eval { from_json $buf }; 875 my $msg = eval { from_json $buf };
924 876
925 if (ref $msg) { 877 if (ref $msg) {
926 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 878 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927 if (my %reply = $cb->[0]->($pl, $msg)) { 879 if (my %reply = $cb->($pl, $msg)) {
928 $pl->ext_reply ($msg->{msgid}, %reply); 880 $pl->ext_reply ($msg->{msgid}, %reply);
929 } 881 }
930 } 882 }
931 } else { 883 } else {
932 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
934 886
935 cf::override; 887 cf::override;
936 }, 888 },
937); 889);
938 890
939sub register {
940 my ($base, $pkg) = @_;
941
942 #TODO
943}
944
945sub load_extension { 891sub load_extension {
946 my ($path) = @_; 892 my ($path) = @_;
947 893
948 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
949 my $base = $1; 895 my $base = $1;
950 my $pkg = $1; 896 my $pkg = $1;
951 $pkg =~ s/[^[:word:]]/_/g; 897 $pkg =~ s/[^[:word:]]/_/g;
952 $pkg = "ext::$pkg"; 898 $pkg = "ext::$pkg";
953 899
954 warn "loading '$path' into '$pkg'\n"; 900 warn "... loading '$path' into '$pkg'\n";
955 901
956 open my $fh, "<:utf8", $path 902 open my $fh, "<:utf8", $path
957 or die "$path: $!"; 903 or die "$path: $!";
958 904
959 my $source = 905 my $source =
960 "package $pkg; use strict; use utf8;\n" 906 "package $pkg; use strict; use utf8;\n"
961 . "#line 1 \"$path\"\n{\n" 907 . "#line 1 \"$path\"\n{\n"
962 . (do { local $/; <$fh> }) 908 . (do { local $/; <$fh> })
963 . "\n};\n1"; 909 . "\n};\n1";
964 910
965 eval $source 911 unless (eval $source) {
966 or die $@ ? "$path: $@\n" 912 my $msg = $@ ? "$path: $@\n"
967 : "extension disabled.\n"; 913 : "extension disabled.\n";
968 914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969 push @exts, $pkg; 915 warn $@;
970 $ext_pkg{$base} = $pkg; 916 warn "mandatory extension failed to load, exiting.\n";
971 917 exit 1;
972# no strict 'refs'; 918 }
973# @{"$pkg\::ISA"} = ext::; 919 die $@;
974
975 register $base, $pkg;
976}
977
978sub unload_extension {
979 my ($pkg) = @_;
980
981 warn "removing extension $pkg\n";
982
983 # remove hooks
984 #TODO
985# for my $idx (0 .. $#PLUGIN_EVENT) {
986# delete $hook[$idx]{$pkg};
987# } 920 }
988 921
989 # remove commands 922 push @EXTS, $pkg;
990 for my $name (keys %COMMAND) {
991 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993 if (@cb) {
994 $COMMAND{$name} = \@cb;
995 } else {
996 delete $COMMAND{$name};
997 }
998 }
999
1000 # remove extcmds
1001 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002 delete $EXTCMD{$name};
1003 }
1004
1005 if (my $cb = $pkg->can ("unload")) {
1006 eval {
1007 $cb->($pkg);
1008 1
1009 } or warn "$pkg unloaded, but with errors: $@";
1010 }
1011
1012 Symbol::delete_package $pkg;
1013} 923}
1014 924
1015sub load_extensions { 925sub load_extensions {
1016 for my $ext (<$LIBDIR/*.ext>) { 926 for my $ext (<$LIBDIR/*.ext>) {
1017 next unless -r $ext; 927 next unless -r $ext;
1021 } or warn "$ext not loaded: $@"; 931 } or warn "$ext not loaded: $@";
1022 } 932 }
1023} 933}
1024 934
1025############################################################################# 935#############################################################################
1026# load/save/clean perl data associated with a map
1027
1028*cf::mapsupport::on_clean = sub {
1029 my ($map) = @_;
1030
1031 my $path = $map->tmpname;
1032 defined $path or return;
1033
1034 unlink "$path.pst";
1035};
1036
1037cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039#############################################################################
1040# load/save perl data associated with player->ob objects
1041
1042sub all_objects(@) {
1043 @_, map all_objects ($_->inv), @_
1044}
1045
1046# TODO: compatibility cruft, remove when no longer needed
1047cf::player->attach (
1048 on_load => sub {
1049 my ($pl, $path) = @_;
1050
1051 for my $o (all_objects $pl->ob) {
1052 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053 $o->set_ob_key_value ("_perl_data");
1054
1055 %$o = %{ Storable::thaw pack "H*", $value };
1056 }
1057 }
1058 },
1059);
1060
1061#############################################################################
1062 936
1063=head2 CORE EXTENSIONS 937=head2 CORE EXTENSIONS
1064 938
1065Functions and methods that extend core crossfire objects. 939Functions and methods that extend core crossfire objects.
1066 940
941=cut
942
943package cf::player;
944
945use Coro::AIO;
946
1067=head3 cf::player 947=head3 cf::player
1068 948
1069=over 4 949=over 4
1070 950
1071=item cf::player::exists $login 951=item cf::player::find $login
1072 952
1073Returns true when the given account exists. 953Returns the given player object, loading it if necessary (might block).
1074 954
1075=cut 955=cut
1076 956
1077sub cf::player::exists($) { 957sub playerdir($) {
1078 cf::player::find $_[0] 958 cf::localdir
1079 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])
1080} 963}
1081 964
965sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967
968 (playerdir $login) . "/playerdata"
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 # 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
998 my $pl = load_pl path $login
999 or return;
1000 $cf::PLAYER{$login} = $pl
1001 }
1002 }
1003}
1004
1005sub save($) {
1006 my ($pl) = @_;
1007
1008 return if $pl->{deny_save};
1009
1010 my $path = path $pl;
1011 my $guard = cf::lock_acquire "user_save:$path";
1012
1013 return if $pl->{deny_save};
1014
1015 aio_mkdir playerdir $pl, 0770;
1016 $pl->{last_save} = $cf::RUNTIME;
1017
1018 $pl->save_pl ($path);
1019 Coro::cede;
1020}
1021
1022sub new($) {
1023 my ($login) = @_;
1024
1025 my $self = create;
1026
1027 $self->ob->name ($login);
1028 $self->{deny_save} = 1;
1029
1030 $cf::PLAYER{$login} = $self;
1031
1032 $self
1033}
1034
1035=item $pl->quit_character
1036
1037Nukes the player without looking back. If logged in, the connection will
1038be destroyed. May block for a long time.
1039
1040=cut
1041
1042sub quit_character {
1043 my ($pl) = @_;
1044
1045 my $name = $pl->ob->name;
1046
1047 $pl->{deny_save} = 1;
1048 $pl->password ("*"); # this should lock out the player until we nuked the dir
1049
1050 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051 $pl->deactivate;
1052 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1053 $pl->ns->destroy if $pl->ns;
1054
1055 my $path = playerdir $pl;
1056 my $temp = "$path~$cf::RUNTIME~deleting~";
1057 aio_rename $path, $temp;
1058 delete $cf::PLAYER{$pl->ob->name};
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
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;
1081}
1082
1083=item cf::player::list_logins
1084
1085Returns am arrayref of all valid playernames in the system, can take a
1086while and may block, so not sync_job-capable, ever.
1087
1088=cut
1089
1090sub list_logins {
1091 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1092 or return [];
1093
1094 my @logins;
1095
1096 for my $login (@$dirs) {
1097 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1098 aio_read $fh, 0, 512, my $buf, 0 or next;
1099 $buf !~ /^password -------------$/m or next; # official not-valid tag
1100
1101 utf8::decode $login;
1102 push @logins, $login;
1103 }
1104
1105 \@logins
1106}
1107
1108=item $player->maps
1109
1110Returns an arrayref of map paths that are private for this
1111player. May block.
1112
1113=cut
1114
1115sub maps($) {
1116 my ($pl) = @_;
1117
1118 $pl = ref $pl ? $pl->ob->name : $pl;
1119
1120 my $files = aio_readdir playerdir $pl
1121 or return;
1122
1123 my @paths;
1124
1125 for (@$files) {
1126 utf8::decode $_;
1127 next if /\.(?:pl|pst)$/;
1128 next unless /^$PATH_SEP/o;
1129
1130 push @paths, cf::map::normalise "~$pl/$_";
1131 }
1132
1133 \@paths
1134}
1135
1082=item $player->ext_reply ($msgid, $msgtype, %msg) 1136=item $player->ext_reply ($msgid, %msg)
1083 1137
1084Sends an ext reply to the player. 1138Sends an ext reply to the player.
1085 1139
1086=cut 1140=cut
1087 1141
1088sub cf::player::ext_reply($$$%) { 1142sub ext_reply($$%) {
1089 my ($self, $id, %msg) = @_; 1143 my ($self, $id, %msg) = @_;
1090 1144
1091 $msg{msgid} = $id; 1145 $msg{msgid} = $id;
1092 1146
1093 $self->send ("ext " . to_json \%msg); 1147 $self->send ("ext " . cf::to_json \%msg);
1094} 1148}
1149
1150=item $player->ext_event ($type, %msg)
1151
1152Sends an ext event to the client.
1153
1154=cut
1155
1156sub ext_event($$%) {
1157 my ($self, $type, %msg) = @_;
1158
1159 $self->ns->ext_event ($type, %msg);
1160}
1161
1162package cf;
1095 1163
1096=back 1164=back
1097 1165
1098 1166
1099=head3 cf::map 1167=head3 cf::map
1105package cf::map; 1173package cf::map;
1106 1174
1107use Fcntl; 1175use Fcntl;
1108use Coro::AIO; 1176use Coro::AIO;
1109 1177
1178use overload
1179 '""' => \&as_string,
1180 fallback => 1;
1181
1110our $MAX_RESET = 3600; 1182our $MAX_RESET = 3600;
1111our $DEFAULT_RESET = 3000; 1183our $DEFAULT_RESET = 3000;
1112 1184
1113sub generate_random_map { 1185sub generate_random_map {
1114 my ($path, $rmp) = @_; 1186 my ($self, $rmp) = @_;
1115
1116 # mit "rum" bekleckern, nicht 1187 # mit "rum" bekleckern, nicht
1117 cf::map::_create_random_map 1188 $self->_create_random_map (
1118 $path,
1119 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1189 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1190 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1191 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122 $rmp->{exit_on_final_map}, 1192 $rmp->{exit_on_final_map},
1123 $rmp->{xsize}, $rmp->{ysize}, 1193 $rmp->{xsize}, $rmp->{ysize},
1124 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1194 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1195 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1196 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127 $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},
1128 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1198 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129 (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
1130} 1330}
1131 1331
1132# and all this just because we cannot iterate over 1332# and all this just because we cannot iterate over
1133# all maps in C++... 1333# all maps in C++...
1134sub change_all_map_light { 1334sub change_all_map_light {
1136 1336
1137 $_->change_map_light ($change) 1337 $_->change_map_light ($change)
1138 for grep $_->outdoor, values %cf::MAP; 1338 for grep $_->outdoor, values %cf::MAP;
1139} 1339}
1140 1340
1341sub unlink_save {
1342 my ($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
1141sub try_load_header($) { 1349sub load_header_from($) {
1142 my ($path) = @_; 1350 my ($self, $path) = @_;
1143 1351
1144 utf8::encode $path; 1352 utf8::encode $path;
1145 aio_open $path, O_RDONLY, 0 1353 #aio_open $path, O_RDONLY, 0
1354 # or return;
1355
1356 $self->_load_header ($path)
1146 or return; 1357 or return;
1147 1358
1148 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
1149 or return; 1402 or return;
1403 $self->prepare_orig;
1404 }
1150 1405
1151 # for better error messages only, will be overwritten 1406 1
1152 $map->path ($path);
1153
1154 $map->load_header ($path)
1155 or return;
1156
1157 $map->{load_path} = $path;
1158
1159 $map
1160} 1407}
1161 1408
1162sub find; 1409sub find;
1163sub find { 1410sub find {
1164 my ($path, $origin) = @_; 1411 my ($path, $origin) = @_;
1165 1412
1166 #warn "find<$path,$origin>\n";#d#
1167
1168 $path = new cf::path $path, $origin && $origin->path; 1413 $path = normalise $path, $origin && $origin->path;
1169 my $key = $path->as_string;
1170 1414
1171 cf::lock_wait "map_find:$key"; 1415 cf::lock_wait "map_find:$path";
1172 1416
1173 $cf::MAP{$key} || do { 1417 $cf::MAP{$path} || do {
1174 my $guard = cf::lock_acquire "map_find:$key"; 1418 my $guard = cf::lock_acquire "map_find:$path";
1175 1419 my $map = new_from_path cf::map $path
1176 # do it the slow way
1177 my $map = try_load_header $path->save_path;
1178
1179 Coro::cede;
1180
1181 if ($map) {
1182 $map->last_access ((delete $map->{last_access})
1183 || $cf::RUNTIME); #d#
1184 # safety
1185 $map->{instantiate_time} = $cf::RUNTIME
1186 if $map->{instantiate_time} > $cf::RUNTIME;
1187 } else {
1188 if (my $rmp = $path->random_map_params) {
1189 $map = generate_random_map $key, $rmp;
1190 } else {
1191 $map = try_load_header $path->load_path;
1192 }
1193
1194 $map or return; 1420 or return;
1195 1421
1196 $map->{load_original} = 1;
1197 $map->{instantiate_time} = $cf::RUNTIME;
1198 $map->last_access ($cf::RUNTIME);
1199 $map->instantiate;
1200
1201 # per-player maps become, after loading, normal maps
1202 $map->per_player (0) if $path->{user_rel};
1203 }
1204
1205 $map->path ($key);
1206 $map->{path} = $path;
1207 $map->{last_save} = $cf::RUNTIME; 1422 $map->{last_save} = $cf::RUNTIME;
1208 1423
1209 Coro::cede; 1424 $map->load_header
1425 or return;
1210 1426
1211 if ($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;
1212 $map->reset; 1430 $map->reset;
1213 undef $guard; 1431 undef $guard;
1214 $map = find $path 1432 return find $path;
1215 or return;
1216 } 1433 }
1217 1434
1218 $cf::MAP{$key} = $map 1435 $cf::MAP{$path} = $map
1219 } 1436 }
1220} 1437}
1438
1439sub pre_load { }
1440sub post_load { }
1221 1441
1222sub load { 1442sub load {
1223 my ($self) = @_; 1443 my ($self) = @_;
1224 1444
1445 local $self->{deny_reset} = 1; # loading can take a long time
1446
1225 my $path = $self->{path}; 1447 my $path = $self->{path};
1226 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1448 my $guard = cf::lock_acquire "map_load:$path";
1227 1449
1228 return if $self->in_memory != cf::MAP_SWAPPED; 1450 return if $self->in_memory != cf::MAP_SWAPPED;
1229 1451
1230 $self->in_memory (cf::MAP_LOADING); 1452 $self->in_memory (cf::MAP_LOADING);
1231 1453
1232 $self->alloc; 1454 $self->alloc;
1455
1456 $self->pre_load;
1457
1233 $self->load_objects ($self->{load_path}, 1) 1458 $self->_load_objects ($self->{load_path}, 1)
1234 or return; 1459 or return;
1235 1460
1236 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1461 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237 if delete $self->{load_original}; 1462 if delete $self->{load_original};
1238 1463
1239 if (my $uniq = $path->uniq_path) { 1464 if (my $uniq = $self->uniq_path) {
1240 utf8::encode $uniq; 1465 utf8::encode $uniq;
1241 if (aio_open $uniq, O_RDONLY, 0) { 1466 if (aio_open $uniq, O_RDONLY, 0) {
1242 $self->clear_unique_items; 1467 $self->clear_unique_items;
1243 $self->load_objects ($uniq, 0); 1468 $self->_load_objects ($uniq, 0);
1244 } 1469 }
1245 } 1470 }
1246 1471
1247 Coro::cede; 1472 Coro::cede;
1248 1473
1249 # now do the right thing for maps 1474 # now do the right thing for maps
1250 $self->link_multipart_objects; 1475 $self->link_multipart_objects;
1251 1476
1252 if ($self->{path}->is_style_map) { 1477 unless ($self->{deny_activate}) {
1253 $self->{deny_save} = 1; 1478 $self->decay_objects;
1254 $self->{deny_reset} = 1;
1255 } else {
1256 $self->fix_auto_apply; 1479 $self->fix_auto_apply;
1257 $self->decay_objects;
1258 $self->update_buttons; 1480 $self->update_buttons;
1481 Coro::cede;
1259 $self->set_darkness_map; 1482 $self->set_darkness_map;
1260 $self->difficulty ($self->estimate_difficulty) 1483 $self->difficulty ($self->estimate_difficulty)
1261 unless $self->difficulty; 1484 unless $self->difficulty;
1485 Coro::cede;
1262 $self->activate; 1486 $self->activate;
1263 } 1487 }
1264 1488
1265 Coro::cede; 1489 $self->post_load;
1266 1490
1267 $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 $self
1501}
1502
1503# find and load all maps in the 3x3 area around a map
1504sub load_diag {
1505 my ($map) = @_;
1506
1507 my @diag; # diagonal neighbours
1508
1509 for (0 .. 3) {
1510 my $neigh = $map->tile_path ($_)
1511 or next;
1512 $neigh = find $neigh, $map
1513 or next;
1514 $neigh->load;
1515
1516 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1517 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1518 }
1519
1520 for (@diag) {
1521 my $neigh = find @$_
1522 or next;
1523 $neigh->load;
1524 }
1268} 1525}
1269 1526
1270sub find_sync { 1527sub find_sync {
1271 my ($path, $origin) = @_; 1528 my ($path, $origin) = @_;
1272 1529
1273 cf::sync_job { cf::map::find $path, $origin } 1530 cf::sync_job { find $path, $origin }
1274} 1531}
1275 1532
1276sub do_load_sync { 1533sub do_load_sync {
1277 my ($map) = @_; 1534 my ($map) = @_;
1278 1535
1279 cf::sync_job { $map->load }; 1536 cf::sync_job { $map->load };
1280} 1537}
1281 1538
1539our %MAP_PREFETCH;
1540our $MAP_PREFETCHER = undef;
1541
1542sub find_async {
1543 my ($path, $origin) = @_;
1544
1545 $path = normalise $path, $origin && $origin->{path};
1546
1547 if (my $map = $cf::MAP{$path}) {
1548 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1549 }
1550
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 };
1564 $MAP_PREFETCHER->prio (6);
1565
1566 ()
1567}
1568
1282sub save { 1569sub save {
1283 my ($self) = @_; 1570 my ($self) = @_;
1284 1571
1285 my $lock = cf::lock_acquire "map_data:" . $self->path; 1572 my $lock = cf::lock_acquire "map_data:" . $self->path;
1286 1573
1287 $self->{last_save} = $cf::RUNTIME; 1574 $self->{last_save} = $cf::RUNTIME;
1288 1575
1289 return unless $self->dirty; 1576 return unless $self->dirty;
1290 1577
1291 my $save = $self->{path}->save_path; utf8::encode $save; 1578 my $save = $self->save_path; utf8::encode $save;
1292 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1579 my $uniq = $self->uniq_path; utf8::encode $uniq;
1293 1580
1294 $self->{load_path} = $save; 1581 $self->{load_path} = $save;
1295 1582
1296 return if $self->{deny_save}; 1583 return if $self->{deny_save};
1297 1584
1298 local $self->{last_access} = $self->last_access;#d# 1585 local $self->{last_access} = $self->last_access;#d#
1299 1586
1587 cf::async {
1588 $_->contr->save for $self->players;
1589 };
1590
1300 if ($uniq) { 1591 if ($uniq) {
1301 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1592 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302 $self->save_objects ($uniq, cf::IO_UNIQUES); 1593 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1303 } else { 1594 } else {
1304 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1595 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305 } 1596 }
1306} 1597}
1307 1598
1308sub swap_out { 1599sub swap_out {
1309 my ($self) = @_; 1600 my ($self) = @_;
1323 1614
1324sub reset_at { 1615sub reset_at {
1325 my ($self) = @_; 1616 my ($self) = @_;
1326 1617
1327 # TODO: safety, remove and allow resettable per-player maps 1618 # TODO: safety, remove and allow resettable per-player maps
1328 return 1e99 if $self->{path}{user_rel}; 1619 return 1e99 if $self->isa ("ext::map_per_player");#d#
1329 return 1e99 if $self->{deny_reset}; 1620 return 1e99 if $self->{deny_reset};
1330 1621
1331 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1622 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1623 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333 1624
1338 my ($self) = @_; 1629 my ($self) = @_;
1339 1630
1340 $self->reset_at <= $cf::RUNTIME 1631 $self->reset_at <= $cf::RUNTIME
1341} 1632}
1342 1633
1343sub unlink_save {
1344 my ($self) = @_;
1345
1346 utf8::encode (my $save = $self->{path}->save_path);
1347 aioreq_pri 3; IO::AIO::aio_unlink $save;
1348 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349}
1350
1351sub rename {
1352 my ($self, $new_path) = @_;
1353
1354 $self->unlink_save;
1355
1356 delete $cf::MAP{$self->path};
1357 $self->{path} = new cf::path $new_path;
1358 $self->path ($self->{path}->as_string);
1359 $cf::MAP{$self->path} = $self;
1360
1361 $self->save;
1362}
1363
1364sub reset { 1634sub reset {
1365 my ($self) = @_; 1635 my ($self) = @_;
1366 1636
1367 my $lock = cf::lock_acquire "map_data:" . $self->path; 1637 my $lock = cf::lock_acquire "map_data:$self->{path}";
1368 1638
1369 return if $self->players; 1639 return if $self->players;
1370 return if $self->{path}{user_rel};#d# 1640 return if $self->isa ("ext::map_per_player");#d#
1371 1641
1372 warn "resetting map ", $self->path;#d# 1642 warn "resetting map ", $self->path;#d#
1373 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
1374 delete $cf::MAP{$self->path}; 1654 delete $cf::MAP{$self->path};
1655
1656 $self->clear;
1375 1657
1376 $_->clear_links_to ($self) for values %cf::MAP; 1658 $_->clear_links_to ($self) for values %cf::MAP;
1377 1659
1378 $self->unlink_save; 1660 $self->unlink_save;
1379 $self->destroy; 1661 $self->destroy;
1382my $nuke_counter = "aaaa"; 1664my $nuke_counter = "aaaa";
1383 1665
1384sub nuke { 1666sub nuke {
1385 my ($self) = @_; 1667 my ($self) = @_;
1386 1668
1669 delete $cf::MAP{$self->path};
1670
1671 $self->unlink_save;
1672
1673 bless $self, "cf::map";
1674 delete $self->{deny_reset};
1387 $self->{deny_save} = 1; 1675 $self->{deny_save} = 1;
1388 $self->reset_timeout (1); 1676 $self->reset_timeout (1);
1389 $self->rename ("{nuke}/" . ($nuke_counter++)); 1677 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678
1679 $cf::MAP{$self->path} = $self;
1680
1390 $self->reset; # polite request, might not happen 1681 $self->reset; # polite request, might not happen
1391} 1682}
1392 1683
1393sub customise_for { 1684=item cf::map::unique_maps
1394 my ($map, $ob) = @_;
1395 1685
1396 if ($map->per_player) { 1686Returns an arrayref of paths of all shared maps that have
1397 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1687instantiated unique items. May block.
1398 }
1399 1688
1400 $map 1689=cut
1401}
1402 1690
1403sub emergency_save { 1691sub unique_maps() {
1404 my $freeze_guard = cf::freeze_mainloop; 1692 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1693 or return;
1405 1694
1406 warn "enter emergency map save\n"; 1695 my @paths;
1407 1696
1408 cf::sync_job { 1697 for (@$files) {
1409 warn "begin emergency map save\n"; 1698 utf8::decode $_;
1410 $_->save for values %cf::MAP; 1699 next if /\.pst$/;
1700 next unless /^$PATH_SEP/o;
1701
1702 push @paths, cf::map::normalise $_;
1411 }; 1703 }
1412 1704
1413 warn "end emergency map save\n"; 1705 \@paths
1414} 1706}
1415 1707
1416package cf; 1708package cf;
1417 1709
1418=back 1710=back
1419 1711
1712=head3 cf::object
1713
1714=cut
1715
1716package cf::object;
1717
1718=over 4
1719
1720=item $ob->inv_recursive
1721
1722Returns the inventory of the object _and_ their inventories, recursively.
1723
1724=cut
1725
1726sub inv_recursive_;
1727sub inv_recursive_ {
1728 map { $_, inv_recursive_ $_->inv } @_
1729}
1730
1731sub inv_recursive {
1732 inv_recursive_ inv $_[0]
1733}
1734
1735package cf;
1736
1737=back
1420 1738
1421=head3 cf::object::player 1739=head3 cf::object::player
1422 1740
1423=over 4 1741=over 4
1424 1742
1464 1782
1465=item $player_object->enter_link 1783=item $player_object->enter_link
1466 1784
1467Freezes 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}>).
1468 1786
1469The 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
1470I<MUST> call C<leave_link> as soon as possible, though. 1788I<MUST> call C<leave_link> as soon as possible, though.
1471 1789
1790Will never block.
1791
1472=item $player_object->leave_link ($map, $x, $y) 1792=item $player_object->leave_link ($map, $x, $y)
1473 1793
1474Moves the player out of the specila link map onto the given map. If the 1794Moves the player out of the special C<{link}> map onto the specified
1475map is not valid (or omitted), the player will be moved back to the 1795map. If the map is not valid (or omitted), the player will be moved back
1476location he/she was before the call to C<enter_link>, or, if that fails, 1796to the location he/she was before the call to C<enter_link>, or, if that
1477to the emergency map position. 1797fails, to the emergency map position.
1478 1798
1479Might block. 1799Might block.
1480 1800
1481=cut 1801=cut
1802
1803sub link_map {
1804 unless ($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 $LINK_MAP
1811}
1482 1812
1483sub cf::object::player::enter_link { 1813sub cf::object::player::enter_link {
1484 my ($self) = @_; 1814 my ($self) = @_;
1485 1815
1486 $self->deactivate_recursive; 1816 $self->deactivate_recursive;
1487 1817
1488 return if $self->map == $LINK_MAP; 1818 return if UNIVERSAL::isa $self->map, "ext::map_link";
1489 1819
1490 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1820 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491 if $self->map; 1821 if $self->map;
1492 1822
1493 $self->enter_map ($LINK_MAP, 20, 20); 1823 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1494} 1824}
1495 1825
1496sub cf::object::player::leave_link { 1826sub cf::object::player::leave_link {
1497 my ($self, $map, $x, $y) = @_; 1827 my ($self, $map, $x, $y) = @_;
1498 1828
1516 # use -1 or undef as default coordinates, not 0, 0 1846 # use -1 or undef as default coordinates, not 0, 0
1517 ($x, $y) = ($map->enter_x, $map->enter_y) 1847 ($x, $y) = ($map->enter_x, $map->enter_y)
1518 if $x <=0 && $y <= 0; 1848 if $x <=0 && $y <= 0;
1519 1849
1520 $map->load; 1850 $map->load;
1851 $map->load_diag;
1521 1852
1853 return unless $self->contr->active;
1522 $self->activate_recursive; 1854 $self->activate_recursive;
1855
1856 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523 $self->enter_map ($map, $x, $y); 1857 $self->enter_map ($map, $x, $y);
1524} 1858}
1525 1859
1526cf::player->attach ( 1860cf::player->attach (
1527 on_logout => sub { 1861 on_logout => sub {
1539 1873
1540 # try to abort aborted map switching on player login :) 1874 # try to abort aborted map switching on player login :)
1541 # should happen only on crashes 1875 # should happen only on crashes
1542 if ($pl->ob->{_link_pos}) { 1876 if ($pl->ob->{_link_pos}) {
1543 $pl->ob->enter_link; 1877 $pl->ob->enter_link;
1544 Coro::async_pool { 1878 (async {
1879 $pl->ob->reply (undef,
1880 "There was an internal problem at your last logout, "
1881 . "the server will try to bring you to your intended destination in a second.",
1882 cf::NDI_RED);
1545 # we need this sleep as the login has a concurrent enter_exit running 1883 # we need this sleep as the login has a concurrent enter_exit running
1546 # and this sleep increases chances of the player not ending up in scorn 1884 # and this sleep increases chances of the player not ending up in scorn
1547 Coro::Timer::sleep 1; 1885 Coro::Timer::sleep 1;
1548 $pl->ob->leave_link; 1886 $pl->ob->leave_link;
1549 }; 1887 })->prio (2);
1550 } 1888 }
1551 }, 1889 },
1552); 1890);
1553 1891
1554=item $player_object->goto ($path, $x, $y) 1892=item $player_object->goto ($path, $x, $y)
1558sub cf::object::player::goto { 1896sub cf::object::player::goto {
1559 my ($self, $path, $x, $y) = @_; 1897 my ($self, $path, $x, $y) = @_;
1560 1898
1561 $self->enter_link; 1899 $self->enter_link;
1562 1900
1563 (Coro::async_pool { 1901 (async {
1564 $path = new cf::path $path; 1902 my $map = eval {
1565
1566 my $map = cf::map::find $path->as_string; 1903 my $map = cf::map::find $path;
1567 $map = $map->customise_for ($self) if $map; 1904 $map = $map->customise_for ($self) if $map;
1568 1905 $map
1569# warn "entering ", $map->path, " at ($x, $y)\n" 1906 } or
1570# if $map;
1571
1572 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1907 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573 1908
1574 $self->leave_link ($map, $x, $y); 1909 $self->leave_link ($map, $x, $y);
1575 })->prio (1); 1910 })->prio (1);
1576} 1911}
1577 1912
1581 1916
1582sub parse_random_map_params { 1917sub parse_random_map_params {
1583 my ($spec) = @_; 1918 my ($spec) = @_;
1584 1919
1585 my $rmp = { # defaults 1920 my $rmp = { # defaults
1586 xsize => 10, 1921 xsize => (cf::rndm 15, 40),
1587 ysize => 10, 1922 ysize => (cf::rndm 15, 40),
1923 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1924 #layout => string,
1588 }; 1925 };
1589 1926
1590 for (split /\n/, $spec) { 1927 for (split /\n/, $spec) {
1591 my ($k, $v) = split /\s+/, $_, 2; 1928 my ($k, $v) = split /\s+/, $_, 2;
1592 1929
1596 $rmp 1933 $rmp
1597} 1934}
1598 1935
1599sub prepare_random_map { 1936sub prepare_random_map {
1600 my ($exit) = @_; 1937 my ($exit) = @_;
1938
1939 my $guard = cf::lock_acquire "exit_prepare:$exit";
1601 1940
1602 # all this does is basically replace the /! path by 1941 # all this does is basically replace the /! path by
1603 # a new random map path (?random/...) with a seed 1942 # a new random map path (?random/...) with a seed
1604 # that depends on the exit object 1943 # that depends on the exit object
1605 1944
1606 my $rmp = parse_random_map_params $exit->msg; 1945 my $rmp = parse_random_map_params $exit->msg;
1607 1946
1608 if ($exit->map) { 1947 if ($exit->map) {
1609 $rmp->{region} = $exit->map->region_name; 1948 $rmp->{region} = $exit->region->name;
1610 $rmp->{origin_map} = $exit->map->path; 1949 $rmp->{origin_map} = $exit->map->path;
1611 $rmp->{origin_x} = $exit->x; 1950 $rmp->{origin_x} = $exit->x;
1612 $rmp->{origin_y} = $exit->y; 1951 $rmp->{origin_y} = $exit->y;
1613 } 1952 }
1614 1953
1615 $rmp->{random_seed} ||= $exit->random_seed; 1954 $rmp->{random_seed} ||= $exit->random_seed;
1616 1955
1617 my $data = cf::to_json $rmp; 1956 my $data = cf::to_json $rmp;
1618 my $md5 = Digest::MD5::md5_hex $data; 1957 my $md5 = Digest::MD5::md5_hex $data;
1958 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619 1959
1620 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) {
1621 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;
1622 1964
1623 $exit->slaying ("?random/$md5"); 1965 $exit->slaying ("?random/$md5");
1624 $exit->msg (undef); 1966 $exit->msg (undef);
1625 } 1967 }
1626} 1968}
1628sub cf::object::player::enter_exit { 1970sub cf::object::player::enter_exit {
1629 my ($self, $exit) = @_; 1971 my ($self, $exit) = @_;
1630 1972
1631 return unless $self->type == cf::PLAYER; 1973 return unless $self->type == cf::PLAYER;
1632 1974
1975 if ($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;
1985
1633 $self->enter_link; 1986 $self->enter_link;
1634 1987
1635 (Coro::async_pool { 1988 (async {
1636 $self->deactivate_recursive; # just to be sure 1989 $self->deactivate_recursive; # just to be sure
1637 unless (eval { 1990 unless (eval {
1638 prepare_random_map $exit 1991 $self->goto ($slaying, $hp, $sp);
1639 if $exit->slaying eq "/!";
1640
1641 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1642 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643 1992
1644 1; 1993 1;
1645 }) { 1994 }) {
1646 $self->message ("Something went wrong deep within the crossfire server. " 1995 $self->message ("Something went wrong deep within the crossfire server. "
1647 . "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. "
1648 . "Please report this to the dungeon master", 1997 . "Please report this to the dungeon master!",
1649 cf::NDI_UNIQUE | cf::NDI_RED); 1998 cf::NDI_UNIQUE | cf::NDI_RED);
1650 1999
1651 warn "ERROR in enter_exit: $@"; 2000 warn "ERROR in enter_exit: $@";
1652 $self->leave_link; 2001 $self->leave_link;
1653 } 2002 }
1654 })->prio (1); 2003 })->prio (1);
1667 2016
1668sub cf::client::send_drawinfo { 2017sub cf::client::send_drawinfo {
1669 my ($self, $text, $flags) = @_; 2018 my ($self, $text, $flags) = @_;
1670 2019
1671 utf8::encode $text; 2020 utf8::encode $text;
1672 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2021 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1673} 2022}
1674 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}
1675 2036
1676=item $success = $client->query ($flags, "text", \&cb) 2037=item $success = $client->query ($flags, "text", \&cb)
1677 2038
1678Queues a query to the client, calling the given callback with 2039Queues a query to the client, calling the given callback with
1679the 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>,
1708 # get handled first 2069 # get handled first
1709 my $queue = delete $ns->{query_queue} 2070 my $queue = delete $ns->{query_queue}
1710 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
1711 2072
1712 (shift @$queue)->[1]->($msg); 2073 (shift @$queue)->[1]->($msg);
2074 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713 2075
1714 push @{ $ns->{query_queue} }, @$queue; 2076 push @{ $ns->{query_queue} }, @$queue;
1715 2077
1716 if (@{ $ns->{query_queue} } == @$queue) { 2078 if (@{ $ns->{query_queue} } == @$queue) {
1717 if (@$queue) { 2079 if (@$queue) {
1721 } 2083 }
1722 } 2084 }
1723 }, 2085 },
1724); 2086);
1725 2087
1726=item $client->coro (\&cb) 2088=item $client->async (\&cb)
1727 2089
1728Create a new coroutine, running the specified callback. The coroutine will 2090Create a new coroutine, running the specified callback. The coroutine will
1729be automatically cancelled when the client gets destroyed (e.g. on logout, 2091be automatically cancelled when the client gets destroyed (e.g. on logout,
1730or loss of connection). 2092or loss of connection).
1731 2093
1732=cut 2094=cut
1733 2095
1734sub cf::client::coro { 2096sub cf::client::async {
1735 my ($self, $cb) = @_; 2097 my ($self, $cb) = @_;
1736 2098
1737 my $coro = &Coro::async_pool ($cb); 2099 my $coro = &Coro::async ($cb);
1738 2100
1739 $coro->on_destroy (sub { 2101 $coro->on_destroy (sub {
1740 delete $self->{_coro}{$coro+0}; 2102 delete $self->{_coro}{$coro+0};
1741 }); 2103 });
1742 2104
1775 2137
1776# here we export the classes and methods available to script code 2138# here we export the classes and methods available to script code
1777 2139
1778=pod 2140=pod
1779 2141
1780The following fucntions and emthods are available within a safe environment: 2142The following functions and methods are available within a safe environment:
1781 2143
1782 cf::object contr pay_amount pay_player map 2144 cf::object contr pay_amount pay_player map
1783 cf::object::player player 2145 cf::object::player player
1784 cf::player peaceful 2146 cf::player peaceful
1785 cf::map trigger 2147 cf::map trigger
1878The 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
1879using it, it should be unique. 2241using it, it should be unique.
1880 2242
1881=over 4 2243=over 4
1882 2244
1883=item $hashref = cf::db_get $family
1884
1885Return a hashref for use by the extension C<$family>, which can be
1886modified. After modifications, you have to call C<cf::db_dirty> or
1887C<cf::db_sync>.
1888
1889=item $value = cf::db_get $family => $key 2245=item $value = cf::db_get $family => $key
1890 2246
1891Returns a single value from the database 2247Returns a single value from the database.
1892
1893=item cf::db_put $family => $hashref
1894
1895Stores the given family hashref into the database. Updates are delayed, if
1896you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897 2248
1898=item cf::db_put $family => $key => $value 2249=item cf::db_put $family => $key => $value
1899 2250
1900Stores the given C<$value> in the family hash. Updates are delayed, if you 2251Stores the given C<$value> in the family.
1901want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903=item cf::db_dirty
1904
1905Marks the database as dirty, to be updated at a later time.
1906
1907=item cf::db_sync
1908
1909Immediately write the database to disk I<if it is dirty>.
1910 2252
1911=cut 2253=cut
1912 2254
1913our $DB; 2255our $DB;
1914 2256
1915{ 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
1916 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;
1917 2276
1918 sub db_load() { 2277 cf::db_put (board => data => $pst->{board});
1919 $DB = stat $path ? Storable::retrieve $path : { }; 2278 cf::db_put (guildrules => data => $pst->{guildrules});
1920 } 2279 cf::db_put (rent => balance => $pst->{rent}{balance});
2280 BDB::db_env_txn_checkpoint $DB_ENV;
1921 2281
1922 my $pid; 2282 unlink $path;
1923
1924 sub db_save() {
1925 waitpid $pid, 0 if $pid;
1926 if (0 == ($pid = fork)) {
1927 $DB->{_meta}{version} = 1;
1928 Storable::nstore $DB, "$path~";
1929 rename "$path~", $path;
1930 cf::_exit 0 if defined $pid;
1931 } 2283 };
1932 } 2284 }
1933
1934 my $dirty;
1935
1936 sub db_sync() {
1937 db_save if $dirty;
1938 undef $dirty;
1939 }
1940
1941 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942 db_sync;
1943 }); 2285 }
2286}
1944 2287
1945 sub db_dirty() {
1946 $dirty = 1;
1947 $idle->start;
1948 }
1949
1950 sub db_get($;$) { 2288sub db_get($$) {
1951 @_ >= 2 2289 my $key = "$_[0]/$_[1]";
1952 ? $DB->{$_[0]}{$_[1]}
1953 : ($DB->{$_[0]} ||= { })
1954 }
1955 2290
2291 cf::sync_job {
2292 BDB::db_get $DB, undef, $key, my $data;
2293
2294 $! ? ()
2295 : Compress::LZF::sthaw $data
2296 }
2297}
2298
1956 sub db_put($$;$) { 2299sub db_put($$$) {
1957 if (@_ >= 3) { 2300 BDB::dbreq_pri 4;
1958 $DB->{$_[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, $info->{smoothlevel};
1959 } else { 2338 } else {
1960 $DB->{$_[0]} = $_[1]; 2339 warn "smooth face '$info->{smooth}' not found for face '$face'";
1961 }
1962 db_dirty;
1963 }
1964
1965 cf::global->attach (
1966 prio => 10000,
1967 on_cleanup => sub {
1968 db_sync;
1969 }, 2340 }
1970 ); 2341 Coro::cede;
1971} 2342 }
1972 2343
1973############################################################################# 2344 1
1974# 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}
1975 2357
1976sub cfg_load { 2358sub cfg_load {
1977 open my $fh, "<:utf8", cf::confdir . "/config" 2359 open my $fh, "<:utf8", cf::confdir . "/config"
1978 or return; 2360 or return;
1979 2361
1980 local $/; 2362 local $/;
1981 *CFG = YAML::Syck::Load <$fh>; 2363 *CFG = YAML::Syck::Load <$fh>;
1982 2364
1983 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 2365 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984 2366
2367 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2368 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2369
1985 if (exists $CFG{mlockall}) { 2370 if (exists $CFG{mlockall}) {
1986 eval { 2371 eval {
1987 $CFG{mlockall} ? &mlockall : &munlockall 2372 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988 and die "WARNING: m(un)lockall failed: $!\n"; 2373 and die "WARNING: m(un)lockall failed: $!\n";
1989 }; 2374 };
1990 warn $@ if $@; 2375 warn $@ if $@;
1991 } 2376 }
1992} 2377}
1993 2378
1994sub main { 2379sub main {
1995 # we must not ever block the main coroutine 2380 # we must not ever block the main coroutine
1996 local $Coro::idle = sub { 2381 local $Coro::idle = sub {
1997 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#
1998 (Coro::unblock_sub { 2383 (async {
1999 Event::one_event; 2384 Event::one_event;
2000 })->(); 2385 })->prio (Coro::PRIO_MAX);
2001 }; 2386 };
2002 2387
2003 cfg_load; 2388 cfg_load;
2004 db_load; 2389 db_init;
2005 load_extensions; 2390 load_extensions;
2391
2392 $TICK_WATCHER->start;
2006 Event::loop; 2393 Event::loop;
2007} 2394}
2008 2395
2009############################################################################# 2396#############################################################################
2010# initialisation 2397# initialisation and cleanup
2398
2399# install some emergency cleanup handlers
2400BEGIN {
2401 for my $signal (qw(INT HUP TERM)) {
2402 Event->signal (
2403 reentrant => 0,
2404 data => WF_AUTOCANCEL,
2405 signal => $signal,
2406 prio => 0,
2407 cb => sub {
2408 cf::cleanup "SIG$signal";
2409 },
2410 );
2411 }
2412}
2413
2414sub emergency_save() {
2415 my $freeze_guard = cf::freeze_mainloop;
2416
2417 warn "enter emergency perl save\n";
2418
2419 cf::sync_job {
2420 # use a peculiar iteration method to avoid tripping on perl
2421 # refcount bugs in for. also avoids problems with players
2422 # and maps saved/destroyed asynchronously.
2423 warn "begin emergency player save\n";
2424 for my $login (keys %cf::PLAYER) {
2425 my $pl = $cf::PLAYER{$login} or next;
2426 $pl->valid or next;
2427 $pl->save;
2428 }
2429 warn "end emergency player save\n";
2430
2431 warn "begin emergency map save\n";
2432 for my $path (keys %cf::MAP) {
2433 my $map = $cf::MAP{$path} or next;
2434 $map->valid or next;
2435 $map->save;
2436 }
2437 warn "end emergency map save\n";
2438
2439 warn "begin emergency database checkpoint\n";
2440 BDB::db_env_txn_checkpoint $DB_ENV;
2441 warn "end emergency database checkpoint\n";
2442 };
2443
2444 warn "leave emergency perl save\n";
2445}
2446
2447sub post_cleanup {
2448 my ($make_core) = @_;
2449
2450 warn Carp::longmess "post_cleanup backtrace"
2451 if $make_core;
2452}
2011 2453
2012sub reload() { 2454sub reload() {
2013 # can/must only be called in main 2455 # can/must only be called in main
2014 if ($Coro::current != $Coro::main) { 2456 if ($Coro::current != $Coro::main) {
2015 warn "can only reload from main coroutine\n"; 2457 warn "can only reload from main coroutine";
2016 return; 2458 return;
2017 } 2459 }
2018 2460
2019 warn "reloading..."; 2461 warn "reloading...";
2020 2462
2021 my $guard = freeze_mainloop; 2463 warn "entering sync_job";
2464
2465 cf::sync_job {
2466 cf::write_runtime; # external watchdog should not bark
2022 cf::emergency_save; 2467 cf::emergency_save;
2468 cf::write_runtime; # external watchdog should not bark
2023 2469
2024 eval { 2470 warn "syncing database to disk";
2471 BDB::db_env_txn_checkpoint $DB_ENV;
2472
2025 # 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
2026 2474
2027 # cancel all watchers 2475 warn "cancelling all WF_AUTOCANCEL watchers";
2028 for (Event::all_watchers) { 2476 for (Event::all_watchers) {
2029 $_->cancel if $_->data & WF_AUTOCANCEL; 2477 $_->cancel if $_->data & WF_AUTOCANCEL;
2030 } 2478 }
2031 2479
2480 warn "flushing outstanding aio requests";
2481 for (;;) {
2482 BDB::flush;
2483 IO::AIO::flush;
2484 Coro::cede;
2485 last unless IO::AIO::nreqs || BDB::nreqs;
2486 warn "iterate...";
2487 }
2488
2489 ++$RELOAD;
2490
2032 # cancel all extension coros 2491 warn "cancelling all extension coros";
2033 $_->cancel for values %EXT_CORO; 2492 $_->cancel for values %EXT_CORO;
2034 %EXT_CORO = (); 2493 %EXT_CORO = ();
2035 2494
2036 # unload all extensions 2495 warn "removing commands";
2037 for (@exts) { 2496 %COMMAND = ();
2497
2498 warn "removing ext commands";
2499 %EXTCMD = ();
2500
2501 warn "unloading/nuking all extensions";
2502 for my $pkg (@EXTS) {
2038 warn "unloading <$_>"; 2503 warn "... unloading $pkg";
2039 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: $@";
2040 } 2510 }
2041 2511
2512 warn "... nuking $pkg";
2513 Symbol::delete_package $pkg;
2514 }
2515
2042 # unload all modules loaded from $LIBDIR 2516 warn "unloading all perl modules loaded from $LIBDIR";
2043 while (my ($k, $v) = each %INC) { 2517 while (my ($k, $v) = each %INC) {
2044 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2518 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045 2519
2046 warn "removing <$k>"; 2520 warn "... unloading $k";
2047 delete $INC{$k}; 2521 delete $INC{$k};
2048 2522
2049 $k =~ s/\.pm$//; 2523 $k =~ s/\.pm$//;
2050 $k =~ s/\//::/g; 2524 $k =~ s/\//::/g;
2051 2525
2054 } 2528 }
2055 2529
2056 Symbol::delete_package $k; 2530 Symbol::delete_package $k;
2057 } 2531 }
2058 2532
2059 # sync database to disk
2060 cf::db_sync;
2061 IO::AIO::flush;
2062
2063 # get rid of safe::, as good as possible 2533 warn "getting rid of safe::, as good as possible";
2064 Symbol::delete_package "safe::$_" 2534 Symbol::delete_package "safe::$_"
2065 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);
2066 2536
2067 # remove register_script_function callbacks
2068 # TODO
2069
2070 # unload cf.pm "a bit" 2537 warn "unloading cf.pm \"a bit\"";
2071 delete $INC{"cf.pm"}; 2538 delete $INC{"cf.pm"};
2072 2539
2073 # don't, removes xs symbols, too, 2540 # don't, removes xs symbols, too,
2074 # and global variables created in xs 2541 # and global variables created in xs
2075 #Symbol::delete_package __PACKAGE__; 2542 #Symbol::delete_package __PACKAGE__;
2076 2543
2077 # reload cf.pm 2544 warn "unload completed, starting to reload now";
2545
2078 warn "reloading cf.pm"; 2546 warn "reloading cf.pm";
2079 require cf; 2547 require cf;
2080 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2548 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081 2549
2082 # load config and database again 2550 warn "loading config and database again";
2083 cf::cfg_load; 2551 cf::cfg_load;
2084 cf::db_load;
2085 2552
2086 # load extensions
2087 warn "load extensions"; 2553 warn "loading extensions";
2088 cf::load_extensions; 2554 cf::load_extensions;
2089 2555
2090 # reattach attachments to objects 2556 warn "reattaching attachments to objects/players";
2091 warn "reattach"; 2557 _global_reattach; # objects, sockets
2092 _global_reattach; 2558 warn "reattaching attachments to maps";
2093 }; 2559 reattach $_ for values %MAP;
2560 warn "reattaching attachments to players";
2561 reattach $_ for values %PLAYER;
2094 2562
2095 if ($@) { 2563 warn "loading reloadable resources";
2564 reload_resources;
2565
2566 warn "leaving sync_job";
2567
2568 1
2569 } or do {
2096 warn $@; 2570 warn $@;
2097 warn "error while reloading, exiting."; 2571 warn "error while reloading, exiting.";
2098 exit 1; 2572 exit 1;
2099 } 2573 };
2100 2574
2101 warn "reloaded successfully"; 2575 warn "reloaded";
2102}; 2576};
2103 2577
2104############################################################################# 2578our $RELOAD_WATCHER; # used only during reload
2105
2106unless ($LINK_MAP) {
2107 $LINK_MAP = cf::map::new;
2108
2109 $LINK_MAP->width (41);
2110 $LINK_MAP->height (41);
2111 $LINK_MAP->alloc;
2112 $LINK_MAP->path ("{link}");
2113 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2115
2116 # dirty hack because... archetypes are not yet loaded
2117 Event->timer (
2118 after => 2,
2119 cb => sub {
2120 $_[0]->w->cancel;
2121
2122 # provide some exits "home"
2123 my $exit = cf::object::new "exit";
2124
2125 $exit->slaying ($EMERGENCY_POSITION->[0]);
2126 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2127 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2128
2129 $LINK_MAP->insert ($exit->clone, 19, 19);
2130 $LINK_MAP->insert ($exit->clone, 19, 20);
2131 $LINK_MAP->insert ($exit->clone, 19, 21);
2132 $LINK_MAP->insert ($exit->clone, 20, 19);
2133 $LINK_MAP->insert ($exit->clone, 20, 21);
2134 $LINK_MAP->insert ($exit->clone, 21, 19);
2135 $LINK_MAP->insert ($exit->clone, 21, 20);
2136 $LINK_MAP->insert ($exit->clone, 21, 21);
2137
2138 $exit->destroy;
2139 });
2140
2141 $LINK_MAP->{deny_save} = 1;
2142 $LINK_MAP->{deny_reset} = 1;
2143
2144 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145}
2146
2147register "<global>", __PACKAGE__;
2148 2579
2149register_command "reload" => sub { 2580register_command "reload" => sub {
2150 my ($who, $arg) = @_; 2581 my ($who, $arg) = @_;
2151 2582
2152 if ($who->flag (FLAG_WIZ)) { 2583 if ($who->flag (FLAG_WIZ)) {
2153 $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 {
2154 reload; 2594 reload;
2155 $who->message ("end of reload."); 2595 undef $RELOAD_WATCHER;
2596 },
2597 );
2156 } 2598 }
2157}; 2599};
2158 2600
2159unshift @INC, $LIBDIR; 2601unshift @INC, $LIBDIR;
2602
2603my $bug_warning = 0;
2160 2604
2161$TICK_WATCHER = Event->timer ( 2605$TICK_WATCHER = Event->timer (
2162 reentrant => 0, 2606 reentrant => 0,
2607 parked => 1,
2163 prio => 0, 2608 prio => 0,
2164 at => $NEXT_TICK || $TICK, 2609 at => $NEXT_TICK || $TICK,
2165 data => WF_AUTOCANCEL, 2610 data => WF_AUTOCANCEL,
2166 cb => sub { 2611 cb => sub {
2612 if ($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
2167 cf::server_tick; # one server iteration 2620 cf::server_tick; # one server iteration
2168 $RUNTIME += $TICK; 2621 $RUNTIME += $TICK;
2169 $NEXT_TICK += $TICK; 2622 $NEXT_TICK += $TICK;
2623
2624 if ($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
2632 $WAIT_FOR_TICK->broadcast;
2633 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635# my $AFTER = Event::time;
2636# warn $AFTER - $NOW;#d#
2170 2637
2171 # 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
2172 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2639 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173 2640
2174 $TICK_WATCHER->at ($NEXT_TICK); 2641 $TICK_WATCHER->at ($NEXT_TICK);
2175 $TICK_WATCHER->start; 2642 $TICK_WATCHER->start;
2176 }, 2643 },
2177); 2644);
2178 2645
2646{
2179IO::AIO::max_poll_time $TICK * 0.2; 2647 BDB::max_poll_time $TICK * 0.1;
2180 2648 $BDB_POLL_WATCHER = Event->io (
2181Event->io ( 2649 reentrant => 0,
2182 fd => IO::AIO::poll_fileno, 2650 fd => BDB::poll_fileno,
2183 poll => 'r', 2651 poll => 'r',
2184 prio => 5, 2652 prio => 0,
2185 data => WF_AUTOCANCEL,
2186 cb => \&IO::AIO::poll_cb,
2187);
2188
2189Event->timer (
2190 data => WF_AUTOCANCEL, 2653 data => WF_AUTOCANCEL,
2191 after => 0, 2654 cb => \&BDB::poll_cb,
2192 interval => 10, 2655 );
2193 cb => sub { 2656 BDB::min_parallel 8;
2194 (Coro::unblock_sub { 2657
2195 write_runtime 2658 BDB::set_sync_prepare {
2196 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 $@;
2197 })->(); 2692 };
2198 }, 2693 }
2199); 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}
2200 2710
2201END { cf::emergency_save } 2711END { cf::emergency_save }
2202 2712
22031 27131
2204 2714

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines