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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
39		56
		57	our $RELOAD; # number of reloads so far
40	our @EVENT;	58	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		59
43	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	76	our $NEXT_TICK;
46	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
47		82
48	our %CFG;	83	our %CFG;
49		84
50	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	86	our $RUNTIME;
52		87
53	our %PLAYER; # all users	88	our %PLAYER; # all users
54	our %MAP; # all maps	89	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		91
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
61		98
62	binmode STDOUT;	99	binmode STDOUT;
63	binmode STDERR;	100	binmode STDERR;
64		101
65	# read virtual server time, if available	102	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
70	}	107	}
71		108
72	mkdir cf::localdir;	109	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		111
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
81		115
82	#############################################################################	116	#############################################################################
83		117
84	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
85		119
…		…
92	=item $cf::RUNTIME	126	=item $cf::RUNTIME
93		127
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	129	every server tick.
96		130
97	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		134
99	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
101		139
102	=item $cf::NOW	140	=item $cf::NOW
103		141
104	The time of the last (current) server tick.	142	The time of the last (current) server tick.
105		143
106	=item $cf::TICK	144	=item $cf::TICK
107		145
108	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
109		157
110	=item %cf::CFG	158	=item %cf::CFG
111		159
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	161	from wherever your confdir points to.
114		162
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		164
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.
121		168
122	=back	169	=back
123		170
124	=cut	171	=cut
125		172
126	BEGIN {	173	BEGIN {
127	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	175	my $msg = join "", @_;
129	utf8::encode $msg;
130		176
131	$msg .= "\n"	177	$msg .= "\n"
132	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
133		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
134	LOG llevError, $msg;	183	LOG llevError, $msg;
135	};	184	};
136	}	185	}
137		186
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		194
145	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	196	# within the Safe compartment.
147	for my $pkg (qw(	197	for my $pkg (qw(
148	cf::global cf::attachable	198	cf::global cf::attachable
…		…
156	}	206	}
157		207
158	$Event::DIED = sub {	208	$Event::DIED = sub {
159	warn "error in event callback: @_";	209	warn "error in event callback: @_";
160	};	210	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		211
166	=head2 UTILITY FUNCTIONS	212	=head2 UTILITY FUNCTIONS
167		213
168	=over 4	214	=over 4
169		215
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	235	$d
190	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
191	}	237	}
192		238
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		240
195	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
196		242
197	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
198		244
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
207		246
208	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		248
217	=item cf::lock_wait $string	249	=item cf::lock_wait $string
218		250
219	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
220		252
…		…
226	returned.	258	returned.
227		259
228	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
230		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
231	=cut	267	=cut
232		268
233	our %LOCK;	269	our %LOCK;
234		270
235	sub lock_wait($) {	271	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
256	}	292	}
257	}	293	}
258		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
259	sub freeze_mainloop {	301	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
261		303
262	my $guard = Coro::guard { $TICK_WATCHER->start };	304	my $guard = Coro::guard {
		305	$TICK_WATCHER->start;
		306	};
263	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
264	$guard	308	$guard
265	}	309	}
266		310
267	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
289		333
290	sub sync_job(&) {	334	sub sync_job(&) {
291	my ($job) = @_;	335	my ($job) = @_;
292		336
293	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
294	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
296		342
297	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
309		355
310	while ($busy) {	356	while ($busy) {
311	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
312	}	358	}
313		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
314	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
315	} else {	368	} else {
316	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
317		370
318	$job->()	371	$job->()
319	}	372	}
320	}	373	}
321		374
322	=item $coro = cf::async_ext { BLOCK }	375	=item $coro = cf::async_ext { BLOCK }
323		376
324	Like async, but this coro is automcatially being canceled when the	377	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	378	extension calling this is being unloaded.
326		379
327	=cut	380	=cut
328		381
329	sub async_ext(&) {	382	sub async_ext(&) {
…		…
338		391
339	$coro	392	$coro
340	}	393	}
341		394
342	sub write_runtime {	395	sub write_runtime {
343	my $runtime = cf::localdir . "/runtime";	396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
		403	my $guard = cf::lock_acquire "write_runtime";
344		404
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	406	or return;
347		407
		408	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	409	# 10 is the runtime save interval, for a monotonic clock
		410	# 60 allows for the watchdog to kill the server.
		411
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	413	and return;
351		414
		415	# always fsync - this file is important
352	aio_fsync $fh	416	aio_fsync $fh
353	and return;	417	and return;
354		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
355	close $fh	422	close $fh
356	or return;	423	or return;
357		424
358	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
359	and return;	426	and return;
360		427
		428	warn "runtime file written.\n";
		429
361	1	430	1
362	}	431	}
363		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		442	}
		443
364	=back	444	=back
365		445
366	=cut	446	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		447
490	#############################################################################	448	#############################################################################
491		449
492	=head2 ATTACHABLE OBJECTS	450	=head2 ATTACHABLE OBJECTS
493		451
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	578	our @CB_MAP = ();
621		579
622	my %attachment;	580	my %attachment;
623		581
		582	sub cf::attachable::thawer_merge {
		583	# simply override everything except _meta
		584	local $_[0]{_meta};
		585	%{$_[0]} = %{$_[1]};
		586	}
		587
624	sub _attach_cb($$$$) {	588	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	589	my ($registry, $event, $prio, $cb) = @_;
626		590
627	use sort 'stable';	591	use sort 'stable';
628		592
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
663		627
664	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		632
669	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	634	my $pkg = shift @arg;
671		635
672	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
713	if (ref $_[0]) {	677	if (ref $_[0]) {
714	_object_attach @_;	678	_object_attach @_;
715	} else {	679	} else {
716	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
717	}	681	}
		682	_recalc_want;
718	};	683	};
719		684
720	# all those should be optimised	685	# all those should be optimised
721	sub cf::attachable::detach {	686	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
726	reattach ($obj);	691	reattach ($obj);
727	} else {	692	} else {
728	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
729	}	694	}
		695	_recalc_want;
730	};	696	};
731		697
732	sub cf::attachable::attached {	698	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
734		700
…		…
799	# object support	765	# object support
800		766
801	sub reattach {	767	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	768	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	769	my ($obj) = @_;
		770
		771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		772
805	my $registry = $obj->registry;	773	my $registry = $obj->registry;
806		774
807	@$registry = ();	775	@$registry = ();
808		776
…		…
855	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
856		824
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	829	close $fh;
862		830
863	if (@$objs) {	831	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	837	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
871	}	839	}
872	} else {	840	} else {
873	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
905	or return;	873	or return;
906	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
907	}	875	}
908		876
909	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
911	return ($data, $av);	879	return ($data, $av);
912	}	880	}
913		881
914	#############################################################################	882	#############################################################################
915	# command handling &c	883	# command handling &c
…		…
940	=cut	908	=cut
941		909
942	sub register_extcmd {	910	sub register_extcmd {
943	my ($name, $cb) = @_;	911	my ($name, $cb) = @_;
944		912
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	913	$EXTCMD{$name} = $cb;
949	}	914	}
950		915
951	cf::player->attach (	916	cf::player->attach (
952	on_command => sub {	917	on_command => sub {
953	my ($pl, $name, $params) = @_;	918	my ($pl, $name, $params) = @_;
…		…
966		931
967	my $msg = eval { from_json $buf };	932	my $msg = eval { from_json $buf };
968		933
969	if (ref $msg) {	934	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	936	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	937	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	938	}
974	}	939	}
975	} else {	940	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		943
979	cf::override;	944	cf::override;
980	},	945	},
981	);	946	);
982		947
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	948	sub load_extension {
990	my ($path) = @_;	949	my ($path) = @_;
991		950
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	952	my $base = $1;
994	my $pkg = $1;	953	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	954	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	955	$pkg = "ext::$pkg";
997		956
998	warn "loading '$path' into '$pkg'\n";	957	warn "... loading '$path' into '$pkg'\n";
999		958
1000	open my $fh, "<:utf8", $path	959	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	960	or die "$path: $!";
1002		961
1003	my $source =	962	my $source =
1004	"package $pkg; use strict; use utf8;\n"	963	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	964	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	965	. (do { local $/; <$fh> })
1007	. "\n};\n1";	966	. "\n};\n1";
1008		967
1009	eval $source	968	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	969	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	970	: "extension disabled.\n";
1012		971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	972	warn $@;
1014	$ext_pkg{$base} = $pkg;	973	warn "mandatory extension failed to load, exiting.\n";
1015		974	exit 1;
1016	# no strict 'refs';	975	}
1017	# @{"$pkg\::ISA"} = ext::;	976	die $@;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }	977	}
1032		978
1033	# remove commands	979	push @EXTS, $pkg;
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	980	}
1058		981
1059	sub load_extensions {	982	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	983	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	984	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	988	} or warn "$ext not loaded: $@";
1066	}	989	}
1067	}	990	}
1068		991
1069	#############################################################################	992	#############################################################################
1070	# load/save/clean perl data associated with a map
1071
1072	*cf::mapsupport::on_clean = sub {
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		993
1085	=head2 CORE EXTENSIONS	994	=head2 CORE EXTENSIONS
1086		995
1087	Functions and methods that extend core crossfire objects.	996	Functions and methods that extend core crossfire objects.
1088		997
…		…
1101	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
1102		1011
1103	=cut	1012	=cut
1104		1013
1105	sub playerdir($) {	1014	sub playerdir($) {
1106	cf::localdir	1015	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1017	}
1112		1018
1113	sub path($) {	1019	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1021
1116	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
1117	}	1023	}
1118		1024
1119	sub find_active($) {	1025	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
1124		1030
1125	sub exists($) {	1031	sub exists($) {
1126	my ($login) = @_;	1032	my ($login) = @_;
1127		1033
1128	$cf::PLAYER{$login}	1034	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1035	or cf::sync_job { !aio_stat path $login }
1130	}	1036	}
1131		1037
1132	sub find($) {	1038	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1039	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1040	my $login = $_[0];
1135		1041
1136	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
1137		1043
1138	$cf::PLAYER{$_[0]} || do {	1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
1139	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
1140	or return;	1053	or return;
1141	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
1142	}	1055	}
1143	}	1056	}
…		…
1180		1093
1181	=cut	1094	=cut
1182		1095
1183	sub quit_character {	1096	sub quit_character {
1184	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1185		1100
1186	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1102	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1103
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1113	$pl->destroy;
		1114
		1115	my $prefix = qr<^~\Q$name\E/>;
		1116
		1117	# nuke player maps
		1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1119
1199	IO::AIO::aio_rmtree $temp;	1120	IO::AIO::aio_rmtree $temp;
		1121	}
		1122
		1123	=item $pl->kick
		1124
		1125	Kicks a player out of the game. This destroys the connection.
		1126
		1127	=cut
		1128
		1129	sub kick {
		1130	my ($pl, $kicker) = @_;
		1131
		1132	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1133	$pl->killer ("kicked");
		1134	$pl->ns->destroy;
1200	}	1135	}
1201		1136
1202	=item cf::player::list_logins	1137	=item cf::player::list_logins
1203		1138
1204	Returns am arrayref of all valid playernames in the system, can take a	1139	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1206		1141
1207	=cut	1142	=cut
1208		1143
1209	sub list_logins {	1144	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1146	or return [];
1212		1147
1213	my @logins;	1148	my @logins;
1214		1149
1215	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1224	\@logins	1159	\@logins
1225	}	1160	}
1226		1161
1227	=item $player->maps	1162	=item $player->maps
1228		1163
1229	Returns an arrayref of cf::path's of all maps that are private for this	1164	Returns an arrayref of map paths that are private for this
1230	player. May block.	1165	player. May block.
1231		1166
1232	=cut	1167	=cut
1233		1168
1234	sub maps($) {	1169	sub maps($) {
1235	my ($pl) = @_;	1170	my ($pl) = @_;
		1171
		1172	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1173
1237	my $files = aio_readdir playerdir $pl	1174	my $files = aio_readdir playerdir $pl
1238	or return;	1175	or return;
1239		1176
1240	my @paths;	1177	my @paths;
1241		1178
1242	for (@$files) {	1179	for (@$files) {
1243	utf8::decode $_;	1180	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1181	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1182	next unless /^$PATH_SEP/o;
1246		1183
1247	s/$PATH_SEP/\//g;	1184	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1185	}
1250		1186
1251	\@paths	1187	\@paths
1252	}	1188	}
1253		1189
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1255		1191
1256	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1257		1193
1258	=cut	1194	=cut
1259		1195
1260	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1262		1198
1263	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1264		1200
1265	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1266	}	1202	}
1267		1203
1268	package cf;	1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
1269		1244
1270	=back	1245	=back
1271
1272		1246
1273	=head3 cf::map	1247	=head3 cf::map
1274		1248
1275	=over 4	1249	=over 4
1276		1250
…		…
1279	package cf::map;	1253	package cf::map;
1280		1254
1281	use Fcntl;	1255	use Fcntl;
1282	use Coro::AIO;	1256	use Coro::AIO;
1283		1257
		1258	use overload
		1259	'""' => \&as_string,
		1260	fallback => 1;
		1261
1284	our $MAX_RESET = 3600;	1262	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1263	our $DEFAULT_RESET = 3000;
1286		1264
1287	sub generate_random_map {	1265	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1266	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1267	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1268	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1272	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1273	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1279	(cf::region::find $rmp->{region}), $rmp->{custom}
		1280	)
		1281	}
		1282
		1283	=item cf::map->register ($regex, $prio)
		1284
		1285	Register a handler for the map path matching the given regex at the
		1286	givne priority (higher is better, built-in handlers have priority 0, the
		1287	default).
		1288
		1289	=cut
		1290
		1291	sub register {
		1292	my (undef, $regex, $prio) = @_;
		1293	my $pkg = caller;
		1294
		1295	no strict;
		1296	push @{"$pkg\::ISA"}, __PACKAGE__;
		1297
		1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1299	}
		1300
		1301	# also paths starting with '/'
		1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1303
		1304	sub thawer_merge {
		1305	my ($self, $merge) = @_;
		1306
		1307	# we have to keep some variables in memory intact
		1308	local $self->{path};
		1309	local $self->{load_path};
		1310
		1311	$self->SUPER::thawer_merge ($merge);
		1312	}
		1313
		1314	sub normalise {
		1315	my ($path, $base) = @_;
		1316
		1317	$path = "$path"; # make sure its a string
		1318
		1319	$path =~ s/\.map$//;
		1320
		1321	# map plan:
		1322	#
		1323	# /! non-realised random map exit (special hack!)
		1324	# {... are special paths that are not being touched
		1325	# ?xxx/... are special absolute paths
		1326	# ?random/... random maps
		1327	# /... normal maps
		1328	# ~user/... per-player map of a specific user
		1329
		1330	$path =~ s/$PATH_SEP/\//go;
		1331
		1332	# treat it as relative path if it starts with
		1333	# something that looks reasonable
		1334	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1335	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1336
		1337	$base =~ s{[^/]+/?$}{};
		1338	$path = "$base/$path";
		1339	}
		1340
		1341	for ($path) {
		1342	redo if s{//}{/};
		1343	redo if s{/\.?/}{/};
		1344	redo if s{/[^/]+/\.\./}{/};
		1345	}
		1346
		1347	$path
		1348	}
		1349
		1350	sub new_from_path {
		1351	my (undef, $path, $base) = @_;
		1352
		1353	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1354
		1355	$path = normalise $path, $base;
		1356
		1357	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1358	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1359	my $self = bless cf::map::new, $pkg;
		1360	$self->{path} = $path; $self->path ($path);
		1361	$self->init; # pass $1 etc.
		1362	return $self;
		1363	}
		1364	}
		1365
		1366	Carp::carp "unable to resolve path '$path' (base '$base').";
		1367	()
		1368	}
		1369
		1370	sub init {
		1371	my ($self) = @_;
		1372
		1373	$self
		1374	}
		1375
		1376	sub as_string {
		1377	my ($self) = @_;
		1378
		1379	"$self->{path}"
		1380	}
		1381
		1382	# the displayed name, this is a one way mapping
		1383	sub visible_name {
		1384	&as_string
		1385	}
		1386
		1387	# the original (read-only) location
		1388	sub load_path {
		1389	my ($self) = @_;
		1390
		1391	"$MAPDIR/$self->{path}.map"
		1392	}
		1393
		1394	# the temporary/swap location
		1395	sub save_path {
		1396	my ($self) = @_;
		1397
		1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1399	"$TMPDIR/$path.map"
		1400	}
		1401
		1402	# the unique path, undef == no special unique path
		1403	sub uniq_path {
		1404	my ($self) = @_;
		1405
		1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1407	"$UNIQUEDIR/$path"
1304	}	1408	}
1305		1409
1306	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1307	# all maps in C++...	1411	# all maps in C++...
1308	sub change_all_map_light {	1412	sub change_all_map_light {
…		…
1310		1414
1311	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1313	}	1417	}
1314		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
		1427	sub unlink_save {
		1428	my ($self) = @_;
		1429
		1430	utf8::encode (my $save = $self->save_path);
		1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1432	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1433	}
		1434
1315	sub try_load_header($) {	1435	sub load_header_from($) {
1316	my ($path) = @_;	1436	my ($self, $path) = @_;
1317		1437
1318	utf8::encode $path;	1438	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1439	#aio_open $path, O_RDONLY, 0
		1440	# or return;
		1441
		1442	$self->_load_header ($path)
1320	or return;	1443	or return;
1321		1444
1322	my $map = cf::map::new	1445	$self->{load_path} = $path;
		1446
		1447	1
		1448	}
		1449
		1450	sub load_header_orig {
		1451	my ($self) = @_;
		1452
		1453	$self->load_header_from ($self->load_path)
		1454	}
		1455
		1456	sub load_header_temp {
		1457	my ($self) = @_;
		1458
		1459	$self->load_header_from ($self->save_path)
		1460	}
		1461
		1462	sub prepare_temp {
		1463	my ($self) = @_;
		1464
		1465	$self->last_access ((delete $self->{last_access})
		1466	|| $cf::RUNTIME); #d#
		1467	# safety
		1468	$self->{instantiate_time} = $cf::RUNTIME
		1469	if $self->{instantiate_time} > $cf::RUNTIME;
		1470	}
		1471
		1472	sub prepare_orig {
		1473	my ($self) = @_;
		1474
		1475	$self->{load_original} = 1;
		1476	$self->{instantiate_time} = $cf::RUNTIME;
		1477	$self->last_access ($cf::RUNTIME);
		1478	$self->instantiate;
		1479	}
		1480
		1481	sub load_header {
		1482	my ($self) = @_;
		1483
		1484	if ($self->load_header_temp) {
		1485	$self->prepare_temp;
		1486	} else {
		1487	$self->load_header_orig
1323	or return;	1488	or return;
		1489	$self->prepare_orig;
		1490	}
1324		1491
1325	# for better error messages only, will be overwritten	1492	$self->{deny_reset} = 1
1326	$map->path ($path);	1493	if $self->no_reset;
1327		1494
1328	$map->load_header ($path)	1495	$self->default_region (cf::region::find_by_path $self->{path})
1329	or return;	1496	unless $self->default_region;
1330		1497
1331	$map->{load_path} = $path;	1498	1
1332
1333	$map
1334	}	1499	}
1335		1500
1336	sub find;	1501	sub find;
1337	sub find {	1502	sub find {
1338	my ($path, $origin) = @_;	1503	my ($path, $origin) = @_;
1339		1504
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1505	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1506
1345	cf::lock_wait "map_find:$key";	1507	cf::lock_wait "map_find:$path";
1346		1508
1347	$cf::MAP{$key} || do {	1509	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1510	my $guard = cf::lock_acquire "map_find:$path";
1349		1511	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1512	or return;
1369		1513
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1382		1515
1383	Coro::cede;	1516	$map->load_header
		1517	or return;
1384		1518
1385	if ($map->should_reset) {	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1520	# doing this can freeze the server in a sync job, obviously
		1521	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1522	$map->reset;
1387	undef $guard;	1523	undef $guard;
1388	$map = find $path	1524	return find $path;
1389	or return;
1390	}	1525	}
1391		1526
1392	$cf::MAP{$key} = $map	1527	$cf::MAP{$path} = $map
1393	}	1528	}
1394	}	1529	}
		1530
		1531	sub pre_load { }
		1532	sub post_load { }
1395		1533
1396	sub load {	1534	sub load {
1397	my ($self) = @_;	1535	my ($self) = @_;
1398		1536
		1537	local $self->{deny_reset} = 1; # loading can take a long time
		1538
1399	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1542	my $guard = cf::lock_acquire "map_load:$path";
1401		1543
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1545
1404	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1405		1547
1406	$self->alloc;	1548	$self->alloc;
		1549
		1550	$self->pre_load;
		1551	Coro::cede;
		1552
1407	$self->load_objects ($self->{load_path}, 1)	1553	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1554	or return;
1409		1555
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1557	if delete $self->{load_original};
1412		1558
1413	if (my $uniq = $path->uniq_path) {	1559	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1560	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1561	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1562	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1563	$self->_load_objects ($uniq, 0);
1418	}	1564	}
1419	}	1565	}
1420		1566
1421	Coro::cede;	1567	Coro::cede;
1422
1423	# now do the right thing for maps	1568	# now do the right thing for maps
1424	$self->link_multipart_objects;	1569	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1571	unless $self->difficulty;
		1572	Coro::cede;
		1573
		1574	unless ($self->{deny_activate}) {
		1575	$self->decay_objects;
		1576	$self->fix_auto_apply;
		1577	$self->update_buttons;
		1578	Coro::cede;
		1579	$self->set_darkness_map;
		1580	Coro::cede;
1436	$self->activate;	1581	$self->activate;
1437	}	1582	}
1438		1583
1439	Coro::cede;
1440
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1584	$self->in_memory (cf::MAP_IN_MEMORY);
		1585	}
		1586
		1587	$self->post_load;
		1588	}
		1589
		1590	sub customise_for {
		1591	my ($self, $ob) = @_;
		1592
		1593	return find "~" . $ob->name . "/" . $self->{path}
		1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
		1598
		1599	$self
1442	}	1600	}
1443		1601
1444	# find and load all maps in the 3x3 area around a map	1602	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1603	sub load_diag {
1446	my ($map) = @_;	1604	my ($map) = @_;
…		…
1476		1634
1477	cf::sync_job { $map->load };	1635	cf::sync_job { $map->load };
1478	}	1636	}
1479		1637
1480	our %MAP_PREFETCH;	1638	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1639	our $MAP_PREFETCHER = undef;
1482	while () {
1483	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH
1485	or next;
1486	my $path = delete $MAP_PREFETCH{$key};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1640
1496	sub find_async {	1641	sub find_async {
1497	my ($path, $origin) = @_;	1642	my ($path, $origin) = @_;
1498		1643
1499	$path = new cf::path $path, $origin && $origin->path;	1644	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1645
1502	if (my $map = $cf::MAP{$key}) {	1646	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1648	}
1505		1649
1506	$MAP_PREFETCH{$key} = $path;	1650	undef $MAP_PREFETCH{$path};
		1651	$MAP_PREFETCHER ||= cf::async {
		1652	while (%MAP_PREFETCH) {
		1653	for my $path (keys %MAP_PREFETCH) {
		1654	my $map = find $path
		1655	or next;
		1656	$map->load;
		1657
		1658	delete $MAP_PREFETCH{$path};
		1659	}
		1660	}
		1661	undef $MAP_PREFETCHER;
		1662	};
1507	$MAP_PREFETCHER->ready;	1663	$MAP_PREFETCHER->prio (6);
1508		1664
1509	()	1665	()
1510	}	1666	}
1511		1667
1512	sub save {	1668	sub save {
…		…
1516		1672
1517	$self->{last_save} = $cf::RUNTIME;	1673	$self->{last_save} = $cf::RUNTIME;
1518		1674
1519	return unless $self->dirty;	1675	return unless $self->dirty;
1520		1676
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1677	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1679
1524	$self->{load_path} = $save;	1680	$self->{load_path} = $save;
1525		1681
1526	return if $self->{deny_save};	1682	return if $self->{deny_save};
1527		1683
…		…
1530	cf::async {	1686	cf::async {
1531	$_->contr->save for $self->players;	1687	$_->contr->save for $self->players;
1532	};	1688	};
1533		1689
1534	if ($uniq) {	1690	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1693	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1695	}
1540	}	1696	}
1541		1697
1542	sub swap_out {	1698	sub swap_out {
1543	my ($self) = @_;	1699	my ($self) = @_;
…		…
1557		1713
1558	sub reset_at {	1714	sub reset_at {
1559	my ($self) = @_;	1715	my ($self) = @_;
1560		1716
1561	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1564		1719
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1721	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1722
…		…
1572	my ($self) = @_;	1727	my ($self) = @_;
1573		1728
1574	$self->reset_at <= $cf::RUNTIME	1729	$self->reset_at <= $cf::RUNTIME
1575	}	1730	}
1576		1731
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	1732	sub reset {
1599	my ($self) = @_;	1733	my ($self) = @_;
1600		1734
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1736
1603	return if $self->players;	1737	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		1738
1606	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
		1740
		1741	$self->in_memory (cf::MAP_SWAPPED);
		1742
		1743	# need to save uniques path
		1744	unless ($self->{deny_save}) {
		1745	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1746
		1747	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1748	if $uniq;
		1749	}
1607		1750
1608	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
		1752
		1753	$self->clear;
1609		1754
1610	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1611		1756
1612	$self->unlink_save;	1757	$self->unlink_save;
1613	$self->destroy;	1758	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	1761	my $nuke_counter = "aaaa";
1617		1762
1618	sub nuke {	1763	sub nuke {
1619	my ($self) = @_;	1764	my ($self) = @_;
1620		1765
		1766	delete $cf::MAP{$self->path};
		1767
		1768	$self->unlink_save;
		1769
		1770	bless $self, "cf::map";
		1771	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	1772	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	1773	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1775
		1776	$cf::MAP{$self->path} = $self;
		1777
1624	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1625	}	1779	}
1626		1780
1627	sub customise_for {	1781	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		1782
1630	if ($map->per_player) {	1783	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1784	maps. May block.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
1632	}	1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	/\.map$/
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
		1797	}
1633		1798
1634	$map	1799	=item $maps = cf::map::random_maps
		1800
		1801	Returns an arrayref with all map paths of currently instantiated and saved
		1802	random maps. May block.
		1803
		1804	=cut
		1805
		1806	sub random_maps() {
		1807	[
		1808	map {
		1809	utf8::decode $_;
		1810	/\.map$/
		1811	? normalise "?random/$_"
		1812	: ()
		1813	} @{ aio_readdir $RANDOMDIR or [] }
		1814	]
		1815	}
		1816
		1817	=item cf::map::unique_maps
		1818
		1819	Returns an arrayref of paths of all shared maps that have
		1820	instantiated unique items. May block.
		1821
		1822	=cut
		1823
		1824	sub unique_maps() {
		1825	[
		1826	map {
		1827	utf8::decode $_;
		1828	/\.map$/
		1829	? normalise $_
		1830	: ()
		1831	} @{ aio_readdir $UNIQUEDIR or [] }
		1832	]
1635	}	1833	}
1636		1834
1637	package cf;	1835	package cf;
1638		1836
1639	=back	1837	=back
…		…
1711		1909
1712	=item $player_object->enter_link	1910	=item $player_object->enter_link
1713		1911
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1912	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1913
1716	The player should be reaosnably safe there for short amounts of time. You	1914	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	1915	I<MUST> call C<leave_link> as soon as possible, though.
1718		1916
		1917	Will never block.
		1918
1719	=item $player_object->leave_link ($map, $x, $y)	1919	=item $player_object->leave_link ($map, $x, $y)
1720		1920
1721	Moves the player out of the specila link map onto the given map. If the	1921	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1922	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1923	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1924	fails, to the emergency map position.
1725		1925
1726	Might block.	1926	Might block.
1727		1927
1728	=cut	1928	=cut
		1929
		1930	sub link_map {
		1931	unless ($LINK_MAP) {
		1932	$LINK_MAP = cf::map::find "{link}"
		1933	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1934	$LINK_MAP->load;
		1935	}
		1936
		1937	$LINK_MAP
		1938	}
1729		1939
1730	sub cf::object::player::enter_link {	1940	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1941	my ($self) = @_;
1732		1942
1733	$self->deactivate_recursive;	1943	$self->deactivate_recursive;
1734		1944
1735	return if $self->map == $LINK_MAP;	1945	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1946
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1948	if $self->map && $self->map->{path} ne "{link}";
1739		1949
1740	$self->enter_map ($LINK_MAP, 20, 20);	1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1951	}
1742		1952
1743	sub cf::object::player::leave_link {	1953	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1954	my ($self, $map, $x, $y) = @_;
		1955
		1956	return unless $self->contr->active;
1745		1957
1746	my $link_pos = delete $self->{_link_pos};	1958	my $link_pos = delete $self->{_link_pos};
1747		1959
1748	unless ($map) {	1960	unless ($map) {
1749	# restore original map position	1961	# restore original map position
…		…
1767	$map->load;	1979	$map->load;
1768	$map->load_diag;	1980	$map->load_diag;
1769		1981
1770	return unless $self->contr->active;	1982	return unless $self->contr->active;
1771	$self->activate_recursive;	1983	$self->activate_recursive;
		1984
		1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1986	$self->enter_map ($map, $x, $y);
1773	}	1987	}
1774		1988
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)	1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1808		1990
		1991	Moves the player to the given map-path and coordinates by first freezing
		1992	her, loading and preparing them map, calling the provided $check callback
		1993	that has to return the map if sucecssful, and then unfreezes the player on
		1994	the new (success) or old (failed) map position.
		1995
1809	=cut	1996	=cut
		1997
		1998	our $GOTOGEN;
1810		1999
1811	sub cf::object::player::goto {	2000	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2001	my ($self, $path, $x, $y, $check) = @_;
1813		2002
1814	$path = new cf::path $path;	2003	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2005
1817	$self->enter_link;	2006	$self->enter_link;
1818		2007
1819	(async {	2008	(async {
		2009	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	2010	my $map = cf::map::find $path;
		2011
		2012	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2013	$map = $map->customise_for ($self);
1822		2014	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2015	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2017	}
1827		2018
		2019	$map
		2020	};
		2021
		2022	if ($@) {
		2023	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2024	LOG llevError | logBacktrace, Carp::longmess $@;
		2025	}
		2026
		2027	if ($gen == $self->{_goto_generation}) {
		2028	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2029	$self->leave_link ($map, $x, $y);
		2030	}
1829	})->prio (1);	2031	})->prio (1);
1830	}	2032	}
1831		2033
1832	=item $player_object->enter_exit ($exit_object)	2034	=item $player_object->enter_exit ($exit_object)
1833		2035
…		…
1835		2037
1836	sub parse_random_map_params {	2038	sub parse_random_map_params {
1837	my ($spec) = @_;	2039	my ($spec) = @_;
1838		2040
1839	my $rmp = { # defaults	2041	my $rmp = { # defaults
1840	xsize => 10,	2042	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2043	ysize => (cf::rndm 15, 40),
		2044	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2045	#layout => string,
1842	};	2046	};
1843		2047
1844	for (split /\n/, $spec) {	2048	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2049	my ($k, $v) = split /\s+/, $_, 2;
1846		2050
…		…
1850	$rmp	2054	$rmp
1851	}	2055	}
1852		2056
1853	sub prepare_random_map {	2057	sub prepare_random_map {
1854	my ($exit) = @_;	2058	my ($exit) = @_;
		2059
		2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		2061
1856	# all this does is basically replace the /! path by	2062	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	2063	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	2064	# that depends on the exit object
1859		2065
1860	my $rmp = parse_random_map_params $exit->msg;	2066	my $rmp = parse_random_map_params $exit->msg;
1861		2067
1862	if ($exit->map) {	2068	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2069	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2070	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2071	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2072	$rmp->{origin_y} = $exit->y;
1867	}	2073	}
1868		2074
1869	$rmp->{random_seed} ||= $exit->random_seed;	2075	$rmp->{random_seed} ||= $exit->random_seed;
1870		2076
1871	my $data = cf::to_json $rmp;	2077	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	2078	my $md5 = Digest::MD5::md5_hex $data;
		2079	my $meta = "$RANDOMDIR/$md5.meta";
1873		2080
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2082	aio_write $fh, 0, (length $data), $data, 0;
		2083	undef $fh;
		2084	aio_rename "$meta~", $meta;
1876		2085
1877	$exit->slaying ("?random/$md5");	2086	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2087	$exit->msg (undef);
1879	}	2088	}
1880	}	2089	}
1881		2090
1882	sub cf::object::player::enter_exit {	2091	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2092	my ($self, $exit) = @_;
1884		2093
1885	return unless $self->type == cf::PLAYER;	2094	return unless $self->type == cf::PLAYER;
		2095
		2096	if ($exit->slaying eq "/!") {
		2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2098	# the problem is that $exit might not survive long enough
		2099	# so it needs to be done right now, right here
		2100	cf::sync_job { prepare_random_map $exit };
		2101	}
		2102
		2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2104	my $hp = $exit->stats->hp;
		2105	my $sp = $exit->stats->sp;
1886		2106
1887	$self->enter_link;	2107	$self->enter_link;
1888		2108
1889	(async {	2109	(async {
1890	$self->deactivate_recursive; # just to be sure	2110	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2111	unless (eval {
1892	prepare_random_map $exit	2112	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2113
1898	1;	2114	1;
1899	}) {	2115	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2116	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2117	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2118	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2119	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2120
1905	warn "ERROR in enter_exit: $@";	2121	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2122	$self->leave_link;
1907	}	2123	}
1908	})->prio (1);	2124	})->prio (1);
…		…
1921		2137
1922	sub cf::client::send_drawinfo {	2138	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2139	my ($self, $text, $flags) = @_;
1924		2140
1925	utf8::encode $text;	2141	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2143	}
1928		2144
		2145	=item $client->ext_event ($type, %msg)
		2146
		2147	Sends an exti event to the client.
		2148
		2149	=cut
		2150
		2151	sub cf::client::ext_event($$%) {
		2152	my ($self, $type, %msg) = @_;
		2153
		2154	$msg{msgtype} = "event_$type";
		2155	$self->send_packet ("ext " . cf::to_json \%msg);
		2156	}
1929		2157
1930	=item $success = $client->query ($flags, "text", \&cb)	2158	=item $success = $client->query ($flags, "text", \&cb)
1931		2159
1932	Queues a query to the client, calling the given callback with	2160	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1962	# get handled first	2190	# get handled first
1963	my $queue = delete $ns->{query_queue}	2191	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2192	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2193
1966	(shift @$queue)->[1]->($msg);	2194	(shift @$queue)->[1]->($msg);
		2195	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2196
1968	push @{ $ns->{query_queue} }, @$queue;	2197	push @{ $ns->{query_queue} }, @$queue;
1969		2198
1970	if (@{ $ns->{query_queue} } == @$queue) {	2199	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2200	if (@$queue) {
…		…
2029		2258
2030	# here we export the classes and methods available to script code	2259	# here we export the classes and methods available to script code
2031		2260
2032	=pod	2261	=pod
2033		2262
2034	The following fucntions and emthods are available within a safe environment:	2263	The following functions and methods are available within a safe environment:
2035		2264
2036	cf::object contr pay_amount pay_player map	2265	cf::object contr pay_amount pay_player map
2037	cf::object::player player	2266	cf::object::player player
2038	cf::player peaceful	2267	cf::player peaceful
2039	cf::map trigger	2268	cf::map trigger
…		…
2124	#############################################################################	2353	#############################################################################
2125		2354
2126	=head2 EXTENSION DATABASE SUPPORT	2355	=head2 EXTENSION DATABASE SUPPORT
2127		2356
2128	Crossfire maintains a very simple database for extension use. It can	2357	Crossfire maintains a very simple database for extension use. It can
2129	currently store anything that can be serialised using Storable, which	2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2130	excludes objects.	2359	convert to/from binary).
2131		2360
2132	The parameter C<$family> should best start with the name of the extension	2361	The parameter C<$family> should best start with the name of the extension
2133	using it, it should be unique.	2362	using it, it should be unique.
2134		2363
2135	=over 4	2364	=over 4
2136		2365
2137	=item $hashref = cf::db_get $family
2138
2139	Return a hashref for use by the extension C<$family>, which can be
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142
2143	=item $value = cf::db_get $family => $key	2366	=item $value = cf::db_get $family => $key
2144		2367
2145	Returns a single value from the database	2368	Returns a single value from the database.
2146
2147	=item cf::db_put $family => $hashref
2148
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151		2369
2152	=item cf::db_put $family => $key => $value	2370	=item cf::db_put $family => $key => $value
2153		2371
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you	2372	Stores the given C<$value> in the family.
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164		2373
2165	=cut	2374	=cut
2166		2375
2167	our $DB;	2376	our $DB;
2168		2377
2169	{	2378	sub db_init {
2170	my $path = cf::localdir . "/database.pst";	2379	unless ($DB) {
		2380	$DB = BDB::db_create $DB_ENV;
2171		2381
2172	sub db_load() {	2382	cf::sync_job {
2173	$DB = stat $path ? Storable::retrieve $path : { };	2383	eval {
2174	}	2384	$DB->set_flags (BDB::CHKSUM);
2175		2385
2176	my $pid;	2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2177		2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2178	sub db_save() {	2388	cf::cleanup "db_open(db): $!" if $!;
2179	waitpid $pid, 0 if $pid;	2389	};
2180	if (0 == ($pid = fork)) {	2390	cf::cleanup "db_open(db): $@" if $@;
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}	2391	};
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	2392	}
		2393	}
2198		2394
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {	2395	sub db_get($$) {
2205	@_ >= 2	2396	my $key = "$_[0]/$_[1]";
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		2397
		2398	cf::sync_job {
		2399	BDB::db_get $DB, undef, $key, my $data;
		2400
		2401	$! ? ()
		2402	: $data
		2403	}
		2404	}
		2405
2210	sub db_put($$;$) {	2406	sub db_put($$$) {
2211	if (@_ >= 3) {	2407	BDB::dbreq_pri 4;
2212	$DB->{$_[0]}{$_[1]} = $_[2];	2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2213	} else {	2409	}
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		2410
2219	cf::global->attach (	2411	=item cf::cache $id => [$paths...], $processversion => $process
2220	prio => 10000,	2412
2221	on_cleanup => sub {	2413	Generic caching function that returns the value of the resource $id,
2222	db_sync;	2414	caching and regenerating as required.
		2415
		2416	This function can block.
		2417
		2418	=cut
		2419
		2420	sub cache {
		2421	my ($id, $src, $processversion, $process) = @_;
		2422
		2423	my $meta =
		2424	join "\x00",
		2425	$processversion,
		2426	map {
		2427	aio_stat $_
		2428	and Carp::croak "$_: $!";
		2429
		2430	($_, (stat _)[7,9])
		2431	} @$src;
		2432
		2433	my $dbmeta = db_get cache => "$id/meta";
		2434	if ($dbmeta ne $meta) {
		2435	# changed, we may need to process
		2436
		2437	my @data;
		2438	my $md5;
		2439
		2440	for (0 .. $#$src) {
		2441	0 <= aio_load $src->[$_], $data[$_]
		2442	or Carp::croak "$src->[$_]: $!";
2223	},	2443	}
2224	);	2444
		2445	# if processing is expensive, check
		2446	# checksum first
		2447	if (1) {
		2448	$md5 =
		2449	join "\x00",
		2450	$processversion,
		2451	map {
		2452	Coro::cede;
		2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2454	} 0.. $#$src;
		2455
		2456
		2457	my $dbmd5 = db_get cache => "$id/md5";
		2458	if ($dbmd5 eq $md5) {
		2459	db_put cache => "$id/meta", $meta;
		2460
		2461	return db_get cache => "$id/data";
		2462	}
		2463	}
		2464
		2465	my $t1 = Time::HiRes::time;
		2466	my $data = $process->(\@data);
		2467	my $t2 = Time::HiRes::time;
		2468
		2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2470
		2471	db_put cache => "$id/data", $data;
		2472	db_put cache => "$id/md5" , $md5;
		2473	db_put cache => "$id/meta", $meta;
		2474
		2475	return $data;
		2476	}
		2477
		2478	db_get cache => "$id/data"
		2479	}
		2480
		2481	=item fork_call { }, $args
		2482
		2483	Executes the given code block with the given arguments in a seperate
		2484	process, returning the results. Everything must be serialisable with
		2485	Coro::Storable. May, of course, block. Note that the executed sub may
		2486	never block itself or use any form of Event handling.
		2487
		2488	=cut
		2489
		2490	sub fork_call(&@) {
		2491	my ($cb, @args) = @_;
		2492
		2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2494	# or die "socketpair: $!";
		2495	pipe my $fh1, my $fh2
		2496	or die "pipe: $!";
		2497
		2498	if (my $pid = fork) {
		2499	close $fh2;
		2500
		2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2502	$res = Coro::Storable::thaw $res;
		2503
		2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2505
		2506	die $$res unless "ARRAY" eq ref $res;
		2507
		2508	return wantarray ? @$res : $res->[-1];
		2509	} else {
		2510	reset_signals;
		2511	local $SIG{__WARN__};
		2512	local $SIG{__DIE__};
		2513	eval {
		2514	close $fh1;
		2515
		2516	my @res = eval { $cb->(@args) };
		2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2518	};
		2519
		2520	warn $@ if $@;
		2521	_exit 0;
		2522	}
2225	}	2523	}
2226		2524
2227	#############################################################################	2525	#############################################################################
2228	# the server's main()	2526	# the server's init and main functions
		2527
		2528	sub load_facedata($) {
		2529	my ($path) = @_;
		2530
		2531	warn "loading facedata from $path\n";
		2532
		2533	my $facedata;
		2534	0 < aio_load $path, $facedata
		2535	or die "$path: $!";
		2536
		2537	$facedata = Coro::Storable::thaw $facedata;
		2538
		2539	$facedata->{version} == 2
		2540	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2541
		2542	{
		2543	my $faces = $facedata->{faceinfo};
		2544
		2545	while (my ($face, $info) = each %$faces) {
		2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2550	Coro::cede;
		2551	}
		2552
		2553	while (my ($face, $info) = each %$faces) {
		2554	next unless $info->{smooth};
		2555	my $idx = cf::face::find $face
		2556	or next;
		2557	if (my $smooth = cf::face::find $info->{smooth}) {
		2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2559	} else {
		2560	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2561	}
		2562	Coro::cede;
		2563	}
		2564	}
		2565
		2566	{
		2567	my $anims = $facedata->{animinfo};
		2568
		2569	while (my ($anim, $info) = each %$anims) {
		2570	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2571	Coro::cede;
		2572	}
		2573
		2574	cf::anim::invalidate_all; # d'oh
		2575	}
		2576
		2577	1
		2578	}
		2579
		2580	sub reload_regions {
		2581	load_resource_file "$MAPDIR/regions"
		2582	or die "unable to load regions file\n";
		2583	}
		2584
		2585	sub reload_facedata {
		2586	load_facedata "$DATADIR/facedata"
		2587	or die "unable to load facedata\n";
		2588	}
		2589
		2590	sub reload_archetypes {
		2591	load_resource_file "$DATADIR/archetypes"
		2592	or die "unable to load archetypes\n";
		2593	}
		2594
		2595	sub reload_treasures {
		2596	load_resource_file "$DATADIR/treasures"
		2597	or die "unable to load treasurelists\n";
		2598	}
		2599
		2600	sub reload_resources {
		2601	warn "reloading resource files...\n";
		2602
		2603	reload_regions;
		2604	reload_facedata;
		2605	#reload_archetypes;#d#
		2606	reload_archetypes;
		2607	reload_treasures;
		2608
		2609	warn "finished reloading resource files\n";
		2610	}
		2611
		2612	sub init {
		2613	reload_resources;
		2614	}
2229		2615
2230	sub cfg_load {	2616	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2617	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	2618	or return;
2233		2619
2234	local $/;	2620	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	2621	*CFG = YAML::Syck::Load <$fh>;
2236		2622
…		…
2250		2636
2251	sub main {	2637	sub main {
2252	# we must not ever block the main coroutine	2638	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2639	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2641	(async {
2255	async { Event::one_event };	2642	Event::one_event;
		2643	})->prio (Coro::PRIO_MAX);
2256	};	2644	};
2257		2645
2258	cfg_load;	2646	cfg_load;
2259	db_load;	2647	db_init;
2260	load_extensions;	2648	load_extensions;
		2649
		2650	$TICK_WATCHER->start;
2261	Event::loop;	2651	Event::loop;
2262	}	2652	}
2263		2653
2264	#############################################################################	2654	#############################################################################
2265	# initialisation and cleanup	2655	# initialisation and cleanup
2266		2656
2267	# install some emergency cleanup handlers	2657	# install some emergency cleanup handlers
2268	BEGIN {	2658	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2659	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2660	Event->signal (
		2661	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2662	data => WF_AUTOCANCEL,
2272	signal => $signal,	2663	signal => $signal,
		2664	prio => 0,
2273	cb => sub {	2665	cb => sub {
2274	cf::cleanup "SIG$signal";	2666	cf::cleanup "SIG$signal";
2275	},	2667	},
2276	);	2668	);
2277	}	2669	}
2278	}	2670	}
…		…
2283	warn "enter emergency perl save\n";	2675	warn "enter emergency perl save\n";
2284		2676
2285	cf::sync_job {	2677	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2678	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2679	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2680	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2681	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2682	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2683	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2684	$pl->valid or next;
2293	$pl->save;	2685	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2691	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2692	$map->valid or next;
2301	$map->save;	2693	$map->save;
2302	}	2694	}
2303	warn "end emergency map save\n";	2695	warn "end emergency map save\n";
		2696
		2697	warn "begin emergency database checkpoint\n";
		2698	BDB::db_env_txn_checkpoint $DB_ENV;
		2699	warn "end emergency database checkpoint\n";
2304	};	2700	};
2305		2701
2306	warn "leave emergency perl save\n";	2702	warn "leave emergency perl save\n";
2307	}	2703	}
2308		2704
		2705	sub post_cleanup {
		2706	my ($make_core) = @_;
		2707
		2708	warn Carp::longmess "post_cleanup backtrace"
		2709	if $make_core;
		2710	}
		2711
2309	sub reload() {	2712	sub do_reload_perl() {
2310	# can/must only be called in main	2713	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2714	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2715	warn "can only reload from main coroutine";
2313	return;	2716	return;
2314	}	2717	}
2315		2718
2316	warn "reloading...";	2719	warn "reloading...";
2317		2720
2318	my $guard = freeze_mainloop;	2721	warn "entering sync_job";
		2722
		2723	cf::sync_job {
		2724	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2725	cf::emergency_save;
		2726	cf::write_runtime; # external watchdog should not bark
2320		2727
2321	eval {	2728	warn "syncing database to disk";
		2729	BDB::db_env_txn_checkpoint $DB_ENV;
		2730
2322	# if anything goes wrong in here, we should simply crash as we already saved	2731	# if anything goes wrong in here, we should simply crash as we already saved
2323		2732
2324	# cancel all watchers	2733	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2734	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2736	}
2328		2737
		2738	warn "flushing outstanding aio requests";
		2739	for (;;) {
		2740	BDB::flush;
		2741	IO::AIO::flush;
		2742	Coro::cede;
		2743	last unless IO::AIO::nreqs || BDB::nreqs;
		2744	warn "iterate...";
		2745	}
		2746
		2747	++$RELOAD;
		2748
2329	# cancel all extension coros	2749	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2750	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2751	%EXT_CORO = ();
2332		2752
2333	# unload all extensions	2753	warn "removing commands";
2334	for (@exts) {	2754	%COMMAND = ();
		2755
		2756	warn "removing ext commands";
		2757	%EXTCMD = ();
		2758
		2759	warn "unloading/nuking all extensions";
		2760	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2761	warn "... unloading $pkg";
2336	unload_extension $_;	2762
		2763	if (my $cb = $pkg->can ("unload")) {
		2764	eval {
		2765	$cb->($pkg);
		2766	1
		2767	} or warn "$pkg unloaded, but with errors: $@";
2337	}	2768	}
2338		2769
		2770	warn "... nuking $pkg";
		2771	Symbol::delete_package $pkg;
		2772	}
		2773
2339	# unload all modules loaded from $LIBDIR	2774	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2775	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2777
2343	warn "removing <$k>";	2778	warn "... unloading $k";
2344	delete $INC{$k};	2779	delete $INC{$k};
2345		2780
2346	$k =~ s/\.pm$//;	2781	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2782	$k =~ s/\//::/g;
2348		2783
…		…
2351	}	2786	}
2352		2787
2353	Symbol::delete_package $k;	2788	Symbol::delete_package $k;
2354	}	2789	}
2355		2790
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	2791	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2792	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		2794
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	2795	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	2796	delete $INC{"cf.pm"};
		2797	delete $INC{"cf/pod.pm"};
2369		2798
2370	# don't, removes xs symbols, too,	2799	# don't, removes xs symbols, too,
2371	# and global variables created in xs	2800	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	2801	#Symbol::delete_package __PACKAGE__;
2373		2802
2374	# reload cf.pm	2803	warn "unload completed, starting to reload now";
		2804
2375	warn "reloading cf.pm";	2805	warn "reloading cf.pm";
2376	require cf;	2806	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		2808
2379	# load config and database again	2809	warn "loading config and database again";
2380	cf::cfg_load;	2810	cf::cfg_load;
2381	cf::db_load;
2382		2811
2383	# load extensions
2384	warn "load extensions";	2812	warn "loading extensions";
2385	cf::load_extensions;	2813	cf::load_extensions;
2386		2814
2387	# reattach attachments to objects	2815	warn "reattaching attachments to objects/players";
2388	warn "reattach";	2816	_global_reattach; # objects, sockets
2389	_global_reattach;	2817	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	2818	reattach $_ for values %MAP;
2391	};	2819	warn "reattaching attachments to players";
		2820	reattach $_ for values %PLAYER;
2392		2821
2393	if ($@) {	2822	warn "leaving sync_job";
		2823
		2824	1
		2825	} or do {
2394	warn $@;	2826	warn $@;
2395	warn "error while reloading, exiting.";	2827	warn "error while reloading, exiting.";
2396	exit 1;	2828	exit 1;
2397	}	2829	};
2398		2830
2399	warn "reloaded successfully";	2831	warn "reloaded";
2400	};	2832	};
2401		2833
2402	#############################################################################	2834	our $RELOAD_WATCHER; # used only during reload
2403		2835
2404	unless ($LINK_MAP) {	2836	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	2837	# doing reload synchronously and two reloads happen back-to-back,
		2838	# coro crashes during coro_state_free->destroy here.
2406		2839
2407	$LINK_MAP->width (41);	2840	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	2841	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	2842	after => 0,
		2843	data => WF_AUTOCANCEL,
2417	cb => sub {	2844	cb => sub {
2418	$_[0]->w->cancel;	2845	do_reload_perl;
2419		2846	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	2847	},
2438		2848	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	2849	}
2444
2445	register "<global>", __PACKAGE__;
2446		2850
2447	register_command "reload" => sub {	2851	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	2852	my ($who, $arg) = @_;
2449		2853
2450	if ($who->flag (FLAG_WIZ)) {	2854	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	2855	$who->message ("reloading server.");
		2856	async { reload_perl };
2454	}	2857	}
2455	};	2858	};
2456		2859
2457	unshift @INC, $LIBDIR;	2860	unshift @INC, $LIBDIR;
2458		2861
		2862	my $bug_warning = 0;
		2863
		2864	our @WAIT_FOR_TICK;
		2865	our @WAIT_FOR_TICK_BEGIN;
		2866
		2867	sub wait_for_tick {
		2868	return unless $TICK_WATCHER->is_active;
		2869	return if $Coro::current == $Coro::main;
		2870
		2871	my $signal = new Coro::Signal;
		2872	push @WAIT_FOR_TICK, $signal;
		2873	$signal->wait;
		2874	}
		2875
		2876	sub wait_for_tick_begin {
		2877	return unless $TICK_WATCHER->is_active;
		2878	return if $Coro::current == $Coro::main;
		2879
		2880	my $signal = new Coro::Signal;
		2881	push @WAIT_FOR_TICK_BEGIN, $signal;
		2882	$signal->wait;
		2883	}
		2884
		2885	my $min = 1e6;#d#
		2886	my $avg = 10;
2459	$TICK_WATCHER = Event->timer (	2887	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	2888	reentrant => 0,
		2889	parked => 1,
2461	prio => 0,	2890	prio => 0,
2462	at => $NEXT_TICK || $TICK,	2891	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	2892	data => WF_AUTOCANCEL,
2464	cb => sub {	2893	cb => sub {
		2894	if ($Coro::current != $Coro::main) {
		2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2896	unless ++$bug_warning > 10;
		2897	return;
		2898	}
		2899
		2900	$NOW = $tick_start = Event::time;
		2901
2465	cf::server_tick; # one server iteration	2902	cf::server_tick; # one server iteration
		2903
		2904	0 && sync_job {#d#
		2905	for(1..10) {
		2906	my $t = Event::time;
		2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2908	or die;
		2909
		2910	$map->width (50);
		2911	$map->height (50);
		2912	$map->alloc;
		2913	$map->_load_objects ("/tmp/x.map", 1);
		2914	my $t = Event::time - $t;
		2915
		2916	#next unless $t < 0.0013;#d#
		2917	if ($t < $min) {
		2918	$min = $t;
		2919	}
		2920	$avg = $avg * 0.99 + $t * 0.01;
		2921	}
		2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2923	exit 0;
		2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2925	};
		2926
2466	$RUNTIME += $TICK;	2927	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	2928	$NEXT_TICK += $TICK;
2468		2929
2469	$WAIT_FOR_TICK->broadcast;	2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2932	Coro::async_pool {
		2933	write_runtime
		2934	or warn "ERROR: unable to write runtime file: $!";
		2935	};
		2936	}
		2937
		2938	# my $AFTER = Event::time;
		2939	# warn $AFTER - $NOW;#d#
		2940
		2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2942	$sig->send;
		2943	}
		2944	while (my $sig = shift @WAIT_FOR_TICK) {
		2945	$sig->send;
		2946	}
		2947
		2948	$NOW = Event::time;
2471		2949
2472	# if we are delayed by four ticks or more, skip them all	2950	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474		2952
2475	$TICK_WATCHER->at ($NEXT_TICK);	2953	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	2954	$TICK_WATCHER->start;
		2955
		2956	$LOAD = ($NOW - $tick_start) / $TICK;
		2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2958
		2959	_post_tick;
		2960
		2961
2477	},	2962	},
2478	);	2963	);
2479		2964
		2965	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	2966	BDB::max_poll_time $TICK * 0.1;
2481		2967	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	2968	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	2969	fd => BDB::poll_fileno,
2484	poll => 'r',	2970	poll => 'r',
2485	prio => 5,	2971	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	2972	data => WF_AUTOCANCEL,
2492	after => 0,	2973	cb => \&BDB::poll_cb,
2493	interval => 10,	2974	);
2494	cb => sub {	2975	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	2976
2496	write_runtime	2977	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	2978	my $status;
		2979	my $current = $Coro::current;
		2980	(
		2981	sub {
		2982	$status = $!;
		2983	$current->ready; undef $current;
		2984	},
		2985	sub {
		2986	Coro::schedule while defined $current;
		2987	$! = $status;
		2988	},
		2989	)
		2990	};
		2991
		2992	unless ($DB_ENV) {
		2993	$DB_ENV = BDB::db_env_create;
		2994
		2995	cf::sync_job {
		2996	eval {
		2997	BDB::db_env_open
		2998	$DB_ENV,
		2999	$BDBDIR,
		3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3002	0666;
		3003
		3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3005
		3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3007	$DB_ENV->set_lk_detect;
		3008	};
		3009
		3010	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	3011	};
2499	},	3012	}
2500	);	3013	}
		3014
		3015	{
		3016	IO::AIO::min_parallel 8;
		3017
		3018	undef $Coro::AIO::WATCHER;
		3019	IO::AIO::max_poll_time $TICK * 0.1;
		3020	$AIO_POLL_WATCHER = Event->io (
		3021	reentrant => 0,
		3022	data => WF_AUTOCANCEL,
		3023	fd => IO::AIO::poll_fileno,
		3024	poll => 'r',
		3025	prio => 6,
		3026	cb => \&IO::AIO::poll_cb,
		3027	);
		3028	}
		3029
		3030	my $_log_backtrace;
		3031
		3032	sub _log_backtrace {
		3033	my ($msg, @addr) = @_;
		3034
		3035	$msg =~ s/\n//;
		3036
		3037	# limit the # of concurrent backtraces
		3038	if ($_log_backtrace < 2) {
		3039	++$_log_backtrace;
		3040	async {
		3041	my @bt = fork_call {
		3042	@addr = map { sprintf "%x", $_ } @addr;
		3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3045	or die "addr2line: $!";
		3046
		3047	my @funcs;
		3048	my @res = <$fh>;
		3049	chomp for @res;
		3050	while (@res) {
		3051	my ($func, $line) = splice @res, 0, 2, ();
		3052	push @funcs, "[$func] $line";
		3053	}
		3054
		3055	@funcs
		3056	};
		3057
		3058	LOG llevInfo, "[ABT] $msg\n";
		3059	LOG llevInfo, "[ABT] $_\n" for @bt;
		3060	--$_log_backtrace;
		3061	};
		3062	} else {
		3063	LOG llevInfo, "[ABT] $msg\n";
		3064	LOG llevInfo, "[ABT] [suppressed]\n";
		3065	}
		3066	}
		3067
		3068	# load additional modules
		3069	use cf::pod;
2501		3070
2502	END { cf::emergency_save }	3071	END { cf::emergency_save }
2503		3072
2504	1	3073	1
2505		3074

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