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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.155 by root, Tue Jan 9 21:32:42 2007 UTC vs.
Revision 1.279 by root, Mon Jun 11 22:16:53 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 {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
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	# }
1032
1033	# remove commands
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	}
1058
1059	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
1060	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	953	next unless -r $path;
1062	eval {	954
1063	load_extension $ext;	955	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		956	my $base = $1;
		957	my $pkg = $1;
		958	$pkg =~ s/[^[:word:]]/_/g;
		959	$pkg = "ext::$pkg";
		960
		961	open my $fh, "<:utf8", $path
		962	or die "$path: $!";
		963
		964	my $source = do { local $/; <$fh> };
		965
		966	my %ext = (
		967	path => $path,
		968	base => $base,
		969	pkg => $pkg,
		970	);
		971
		972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		974
		975	$ext{source} =
		976	"package $pkg; use strict; use utf8;\n"
		977	. "#line 1 \"$path\"\n{\n"
		978	. $source
		979	. "\n};\n1";
		980
		981	$todo{$base} = \%ext;
		982	}
		983
		984	my %done;
		985	while (%todo) {
		986	my $progress;
		987
		988	while (my ($k, $v) = each %todo) {
		989	for (split /,\s*/, $v->{meta}{depends}) {
		990	goto skip
		991	unless exists $done{$_};
		992	}
		993
		994	warn "... loading '$k' into '$v->{pkg}'\n";
		995
		996	unless (eval $v->{source}) {
		997	my $msg = $@ ? "$v->{path}: $@\n"
		998	: "$v->{base}: extension inactive.\n";
		999
		1000	if (exists $v->{meta}{mandatory}) {
		1001	warn $msg;
		1002	warn "mandatory extension failed to load, exiting.\n";
		1003	exit 1;
		1004	}
		1005
		1006	warn $msg;
		1007	}
		1008
		1009	$done{$k} = delete $todo{$k};
		1010	push @EXTS, $v->{pkg};
		1011	$progress = 1;
1064	1	1012	}
1065	} or warn "$ext not loaded: $@";	1013
		1014	skip:
		1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1016	unless $progress;
		1017	}
1066	}	1018	};
1067	}	1019	}
1068		1020
1069	#############################################################################	1021	#############################################################################
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		1022
1085	=head2 CORE EXTENSIONS	1023	=head2 CORE EXTENSIONS
1086		1024
1087	Functions and methods that extend core crossfire objects.	1025	Functions and methods that extend core crossfire objects.
1088		1026
…		…
1101	Returns the given player object, loading it if necessary (might block).	1039	Returns the given player object, loading it if necessary (might block).
1102		1040
1103	=cut	1041	=cut
1104		1042
1105	sub playerdir($) {	1043	sub playerdir($) {
1106	cf::localdir	1044	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1045	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1046	}
1112		1047
1113	sub path($) {	1048	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1049	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1050
1116	(playerdir $login) . "/$login.pl"	1051	(playerdir $login) . "/playerdata"
1117	}	1052	}
1118		1053
1119	sub find_active($) {	1054	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1055	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1056	and $cf::PLAYER{$_[0]}->active
…		…
1124		1059
1125	sub exists($) {	1060	sub exists($) {
1126	my ($login) = @_;	1061	my ($login) = @_;
1127		1062
1128	$cf::PLAYER{$login}	1063	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1064	or cf::sync_job { !aio_stat path $login }
1130	}	1065	}
1131		1066
1132	sub find($) {	1067	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1068	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1069	my $login = $_[0];
1135		1070
1136	my $guard = cf::lock_acquire "user_find:$login";	1071	my $guard = cf::lock_acquire "user_find:$login";
1137		1072
1138	$cf::PLAYER{$_[0]} || do {	1073	$cf::PLAYER{$_[0]} || do {
		1074	# rename old playerfiles to new ones
		1075	#TODO: remove when no longer required
		1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1079	aio_unlink +(playerdir $login) . "/$login.pl";
		1080
1139	my $pl = load_pl path $login	1081	my $pl = load_pl path $login
1140	or return;	1082	or return;
1141	$cf::PLAYER{$login} = $pl	1083	$cf::PLAYER{$login} = $pl
1142	}	1084	}
1143	}	1085	}
…		…
1180		1122
1181	=cut	1123	=cut
1182		1124
1183	sub quit_character {	1125	sub quit_character {
1184	my ($pl) = @_;	1126	my ($pl) = @_;
		1127
		1128	my $name = $pl->ob->name;
1185		1129
1186	$pl->{deny_save} = 1;	1130	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1131	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1132
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1138	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1139	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1140	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1141	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1142	$pl->destroy;
		1143
		1144	my $prefix = qr<^~\Q$name\E/>;
		1145
		1146	# nuke player maps
		1147	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1148
1199	IO::AIO::aio_rmtree $temp;	1149	IO::AIO::aio_rmtree $temp;
		1150	}
		1151
		1152	=item $pl->kick
		1153
		1154	Kicks a player out of the game. This destroys the connection.
		1155
		1156	=cut
		1157
		1158	sub kick {
		1159	my ($pl, $kicker) = @_;
		1160
		1161	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1162	$pl->killer ("kicked");
		1163	$pl->ns->destroy;
1200	}	1164	}
1201		1165
1202	=item cf::player::list_logins	1166	=item cf::player::list_logins
1203		1167
1204	Returns am arrayref of all valid playernames in the system, can take a	1168	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1169	while and may block, so not sync_job-capable, ever.
1206		1170
1207	=cut	1171	=cut
1208		1172
1209	sub list_logins {	1173	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1174	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1175	or return [];
1212		1176
1213	my @logins;	1177	my @logins;
1214		1178
1215	for my $login (@$dirs) {	1179	for my $login (@$dirs) {
…		…
1224	\@logins	1188	\@logins
1225	}	1189	}
1226		1190
1227	=item $player->maps	1191	=item $player->maps
1228		1192
1229	Returns an arrayref of cf::path's of all maps that are private for this	1193	Returns an arrayref of map paths that are private for this
1230	player. May block.	1194	player. May block.
1231		1195
1232	=cut	1196	=cut
1233		1197
1234	sub maps($) {	1198	sub maps($) {
1235	my ($pl) = @_;	1199	my ($pl) = @_;
		1200
		1201	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1202
1237	my $files = aio_readdir playerdir $pl	1203	my $files = aio_readdir playerdir $pl
1238	or return;	1204	or return;
1239		1205
1240	my @paths;	1206	my @paths;
1241		1207
1242	for (@$files) {	1208	for (@$files) {
1243	utf8::decode $_;	1209	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1210	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1211	next unless /^$PATH_SEP/o;
1246		1212
1247	s/$PATH_SEP/\//g;	1213	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1214	}
1250		1215
1251	\@paths	1216	\@paths
1252	}	1217	}
1253		1218
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1219	=item $player->ext_reply ($msgid, %msg)
1255		1220
1256	Sends an ext reply to the player.	1221	Sends an ext reply to the player.
1257		1222
1258	=cut	1223	=cut
1259		1224
1260	sub ext_reply($$$%) {	1225	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1226	my ($self, $id, %msg) = @_;
1262		1227
1263	$msg{msgid} = $id;	1228	$msg{msgid} = $id;
1264		1229
1265	$self->send ("ext " . cf::to_json \%msg);	1230	$self->send ("ext " . cf::to_json \%msg);
1266	}	1231	}
1267		1232
1268	package cf;	1233	=item $player->ext_event ($type, %msg)
		1234
		1235	Sends an ext event to the client.
		1236
		1237	=cut
		1238
		1239	sub ext_event($$%) {
		1240	my ($self, $type, %msg) = @_;
		1241
		1242	$self->ns->ext_event ($type, %msg);
		1243	}
		1244
		1245	=head3 cf::region
		1246
		1247	=over 4
		1248
		1249	=cut
		1250
		1251	package cf::region;
		1252
		1253	=item cf::region::find_by_path $path
		1254
		1255	Tries to decuce the probable region for a map knowing only its path.
		1256
		1257	=cut
		1258
		1259	sub find_by_path($) {
		1260	my ($path) = @_;
		1261
		1262	my ($match, $specificity);
		1263
		1264	for my $region (list) {
		1265	if ($region->match && $path =~ $region->match) {
		1266	($match, $specificity) = ($region, $region->specificity)
		1267	if $region->specificity > $specificity;
		1268	}
		1269	}
		1270
		1271	$match
		1272	}
1269		1273
1270	=back	1274	=back
1271
1272		1275
1273	=head3 cf::map	1276	=head3 cf::map
1274		1277
1275	=over 4	1278	=over 4
1276		1279
…		…
1279	package cf::map;	1282	package cf::map;
1280		1283
1281	use Fcntl;	1284	use Fcntl;
1282	use Coro::AIO;	1285	use Coro::AIO;
1283		1286
		1287	use overload
		1288	'""' => \&as_string,
		1289	fallback => 1;
		1290
1284	our $MAX_RESET = 3600;	1291	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1292	our $DEFAULT_RESET = 3000;
1286		1293
1287	sub generate_random_map {	1294	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1295	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1296	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1297	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1301	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1302	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1303	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1304	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1305	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1306	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1307	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1308	(cf::region::find $rmp->{region}), $rmp->{custom}
		1309	)
		1310	}
		1311
		1312	=item cf::map->register ($regex, $prio)
		1313
		1314	Register a handler for the map path matching the given regex at the
		1315	givne priority (higher is better, built-in handlers have priority 0, the
		1316	default).
		1317
		1318	=cut
		1319
		1320	sub register {
		1321	my (undef, $regex, $prio) = @_;
		1322	my $pkg = caller;
		1323
		1324	no strict;
		1325	push @{"$pkg\::ISA"}, __PACKAGE__;
		1326
		1327	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1328	}
		1329
		1330	# also paths starting with '/'
		1331	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1332
		1333	sub thawer_merge {
		1334	my ($self, $merge) = @_;
		1335
		1336	# we have to keep some variables in memory intact
		1337	local $self->{path};
		1338	local $self->{load_path};
		1339
		1340	$self->SUPER::thawer_merge ($merge);
		1341	}
		1342
		1343	sub normalise {
		1344	my ($path, $base) = @_;
		1345
		1346	$path = "$path"; # make sure its a string
		1347
		1348	$path =~ s/\.map$//;
		1349
		1350	# map plan:
		1351	#
		1352	# /! non-realised random map exit (special hack!)
		1353	# {... are special paths that are not being touched
		1354	# ?xxx/... are special absolute paths
		1355	# ?random/... random maps
		1356	# /... normal maps
		1357	# ~user/... per-player map of a specific user
		1358
		1359	$path =~ s/$PATH_SEP/\//go;
		1360
		1361	# treat it as relative path if it starts with
		1362	# something that looks reasonable
		1363	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1364	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1365
		1366	$base =~ s{[^/]+/?$}{};
		1367	$path = "$base/$path";
		1368	}
		1369
		1370	for ($path) {
		1371	redo if s{//}{/};
		1372	redo if s{/\.?/}{/};
		1373	redo if s{/[^/]+/\.\./}{/};
		1374	}
		1375
		1376	$path
		1377	}
		1378
		1379	sub new_from_path {
		1380	my (undef, $path, $base) = @_;
		1381
		1382	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1383
		1384	$path = normalise $path, $base;
		1385
		1386	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1387	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1388	my $self = bless cf::map::new, $pkg;
		1389	$self->{path} = $path; $self->path ($path);
		1390	$self->init; # pass $1 etc.
		1391	return $self;
		1392	}
		1393	}
		1394
		1395	Carp::carp "unable to resolve path '$path' (base '$base').";
		1396	()
		1397	}
		1398
		1399	sub init {
		1400	my ($self) = @_;
		1401
		1402	$self
		1403	}
		1404
		1405	sub as_string {
		1406	my ($self) = @_;
		1407
		1408	"$self->{path}"
		1409	}
		1410
		1411	# the displayed name, this is a one way mapping
		1412	sub visible_name {
		1413	&as_string
		1414	}
		1415
		1416	# the original (read-only) location
		1417	sub load_path {
		1418	my ($self) = @_;
		1419
		1420	"$MAPDIR/$self->{path}.map"
		1421	}
		1422
		1423	# the temporary/swap location
		1424	sub save_path {
		1425	my ($self) = @_;
		1426
		1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1428	"$TMPDIR/$path.map"
		1429	}
		1430
		1431	# the unique path, undef == no special unique path
		1432	sub uniq_path {
		1433	my ($self) = @_;
		1434
		1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1436	"$UNIQUEDIR/$path"
1304	}	1437	}
1305		1438
1306	# and all this just because we cannot iterate over	1439	# and all this just because we cannot iterate over
1307	# all maps in C++...	1440	# all maps in C++...
1308	sub change_all_map_light {	1441	sub change_all_map_light {
…		…
1310		1443
1311	$_->change_map_light ($change)	1444	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1445	for grep $_->outdoor, values %cf::MAP;
1313	}	1446	}
1314		1447
		1448	sub decay_objects {
		1449	my ($self) = @_;
		1450
		1451	return if $self->{deny_reset};
		1452
		1453	$self->do_decay_objects;
		1454	}
		1455
		1456	sub unlink_save {
		1457	my ($self) = @_;
		1458
		1459	utf8::encode (my $save = $self->save_path);
		1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1461	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1462	}
		1463
1315	sub try_load_header($) {	1464	sub load_header_from($) {
1316	my ($path) = @_;	1465	my ($self, $path) = @_;
1317		1466
1318	utf8::encode $path;	1467	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1468	#aio_open $path, O_RDONLY, 0
		1469	# or return;
		1470
		1471	$self->_load_header ($path)
1320	or return;	1472	or return;
1321		1473
1322	my $map = cf::map::new	1474	$self->{load_path} = $path;
		1475
		1476	1
		1477	}
		1478
		1479	sub load_header_orig {
		1480	my ($self) = @_;
		1481
		1482	$self->load_header_from ($self->load_path)
		1483	}
		1484
		1485	sub load_header_temp {
		1486	my ($self) = @_;
		1487
		1488	$self->load_header_from ($self->save_path)
		1489	}
		1490
		1491	sub prepare_temp {
		1492	my ($self) = @_;
		1493
		1494	$self->last_access ((delete $self->{last_access})
		1495	|| $cf::RUNTIME); #d#
		1496	# safety
		1497	$self->{instantiate_time} = $cf::RUNTIME
		1498	if $self->{instantiate_time} > $cf::RUNTIME;
		1499	}
		1500
		1501	sub prepare_orig {
		1502	my ($self) = @_;
		1503
		1504	$self->{load_original} = 1;
		1505	$self->{instantiate_time} = $cf::RUNTIME;
		1506	$self->last_access ($cf::RUNTIME);
		1507	$self->instantiate;
		1508	}
		1509
		1510	sub load_header {
		1511	my ($self) = @_;
		1512
		1513	if ($self->load_header_temp) {
		1514	$self->prepare_temp;
		1515	} else {
		1516	$self->load_header_orig
1323	or return;	1517	or return;
		1518	$self->prepare_orig;
		1519	}
1324		1520
1325	# for better error messages only, will be overwritten	1521	$self->{deny_reset} = 1
1326	$map->path ($path);	1522	if $self->no_reset;
1327		1523
1328	$map->load_header ($path)	1524	$self->default_region (cf::region::find_by_path $self->{path})
1329	or return;	1525	unless $self->default_region;
1330		1526
1331	$map->{load_path} = $path;	1527	1
1332
1333	$map
1334	}	1528	}
1335		1529
1336	sub find;	1530	sub find;
1337	sub find {	1531	sub find {
1338	my ($path, $origin) = @_;	1532	my ($path, $origin) = @_;
1339		1533
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1534	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1535
1345	cf::lock_wait "map_find:$key";	1536	cf::lock_wait "map_find:$path";
1346		1537
1347	$cf::MAP{$key} || do {	1538	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1539	my $guard = cf::lock_acquire "map_find:$path";
1349		1540	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;	1541	or return;
1369		1542
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;	1543	$map->{last_save} = $cf::RUNTIME;
1382		1544
1383	Coro::cede;	1545	$map->load_header
		1546	or return;
1384		1547
1385	if ($map->should_reset) {	1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1549	# doing this can freeze the server in a sync job, obviously
		1550	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1551	$map->reset;
1387	undef $guard;	1552	undef $guard;
1388	$map = find $path	1553	return find $path;
1389	or return;
1390	}	1554	}
1391		1555
1392	$cf::MAP{$key} = $map	1556	$cf::MAP{$path} = $map
1393	}	1557	}
1394	}	1558	}
		1559
		1560	sub pre_load { }
		1561	sub post_load { }
1395		1562
1396	sub load {	1563	sub load {
1397	my ($self) = @_;	1564	my ($self) = @_;
1398		1565
		1566	local $self->{deny_reset} = 1; # loading can take a long time
		1567
1399	my $path = $self->{path};	1568	my $path = $self->{path};
		1569
		1570	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1571	my $guard = cf::lock_acquire "map_load:$path";
1401		1572
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1573	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1574
1404	$self->in_memory (cf::MAP_LOADING);	1575	$self->in_memory (cf::MAP_LOADING);
1405		1576
1406	$self->alloc;	1577	$self->alloc;
		1578
		1579	$self->pre_load;
		1580	Coro::cede;
		1581
1407	$self->load_objects ($self->{load_path}, 1)	1582	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1583	or return;
1409		1584
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1586	if delete $self->{load_original};
1412		1587
1413	if (my $uniq = $path->uniq_path) {	1588	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1589	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1590	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1591	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1592	$self->_load_objects ($uniq, 0);
1418	}	1593	}
1419	}	1594	}
1420		1595
1421	Coro::cede;	1596	Coro::cede;
1422
1423	# now do the right thing for maps	1597	# now do the right thing for maps
1424	$self->link_multipart_objects;	1598	$self->link_multipart_objects;
1425
1426	if ($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)	1599	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1600	unless $self->difficulty;
		1601	Coro::cede;
		1602
		1603	unless ($self->{deny_activate}) {
		1604	$self->decay_objects;
		1605	$self->fix_auto_apply;
		1606	$self->update_buttons;
		1607	Coro::cede;
		1608	$self->set_darkness_map;
		1609	Coro::cede;
1436	$self->activate;	1610	$self->activate;
1437	}	1611	}
1438		1612
1439	Coro::cede;
1440
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1613	$self->in_memory (cf::MAP_IN_MEMORY);
		1614	}
		1615
		1616	$self->post_load;
		1617	}
		1618
		1619	sub customise_for {
		1620	my ($self, $ob) = @_;
		1621
		1622	return find "~" . $ob->name . "/" . $self->{path}
		1623	if $self->per_player;
		1624
		1625	# return find "?party/" . $ob->name . "/" . $self->{path}
		1626	# if $self->per_party;
		1627
		1628	$self
		1629	}
		1630
		1631	# find and load all maps in the 3x3 area around a map
		1632	sub load_diag {
		1633	my ($map) = @_;
		1634
		1635	my @diag; # diagonal neighbours
		1636
		1637	for (0 .. 3) {
		1638	my $neigh = $map->tile_path ($_)
		1639	or next;
		1640	$neigh = find $neigh, $map
		1641	or next;
		1642	$neigh->load;
		1643
		1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1646	}
		1647
		1648	for (@diag) {
		1649	my $neigh = find @$_
		1650	or next;
		1651	$neigh->load;
		1652	}
1442	}	1653	}
1443		1654
1444	sub find_sync {	1655	sub find_sync {
1445	my ($path, $origin) = @_;	1656	my ($path, $origin) = @_;
1446		1657
1447	cf::sync_job { cf::map::find $path, $origin }	1658	cf::sync_job { find $path, $origin }
1448	}	1659	}
1449		1660
1450	sub do_load_sync {	1661	sub do_load_sync {
1451	my ($map) = @_;	1662	my ($map) = @_;
1452		1663
1453	cf::sync_job { $map->load };	1664	cf::sync_job { $map->load };
1454	}	1665	}
1455		1666
		1667	our %MAP_PREFETCH;
		1668	our $MAP_PREFETCHER = undef;
		1669
		1670	sub find_async {
		1671	my ($path, $origin) = @_;
		1672
		1673	$path = normalise $path, $origin && $origin->{path};
		1674
		1675	if (my $map = $cf::MAP{$path}) {
		1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1677	}
		1678
		1679	undef $MAP_PREFETCH{$path};
		1680	$MAP_PREFETCHER ||= cf::async {
		1681	while (%MAP_PREFETCH) {
		1682	for my $path (keys %MAP_PREFETCH) {
		1683	my $map = find $path
		1684	or next;
		1685	$map->load;
		1686
		1687	delete $MAP_PREFETCH{$path};
		1688	}
		1689	}
		1690	undef $MAP_PREFETCHER;
		1691	};
		1692	$MAP_PREFETCHER->prio (6);
		1693
		1694	()
		1695	}
		1696
1456	sub save {	1697	sub save {
1457	my ($self) = @_;	1698	my ($self) = @_;
1458		1699
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1700	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1701
1461	$self->{last_save} = $cf::RUNTIME;	1702	$self->{last_save} = $cf::RUNTIME;
1462		1703
1463	return unless $self->dirty;	1704	return unless $self->dirty;
1464		1705
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1706	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1707	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1708
1468	$self->{load_path} = $save;	1709	$self->{load_path} = $save;
1469		1710
1470	return if $self->{deny_save};	1711	return if $self->{deny_save};
1471		1712
…		…
1474	cf::async {	1715	cf::async {
1475	$_->contr->save for $self->players;	1716	$_->contr->save for $self->players;
1476	};	1717	};
1477		1718
1478	if ($uniq) {	1719	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1722	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1723	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1724	}
1484	}	1725	}
1485		1726
1486	sub swap_out {	1727	sub swap_out {
1487	my ($self) = @_;	1728	my ($self) = @_;
…		…
1501		1742
1502	sub reset_at {	1743	sub reset_at {
1503	my ($self) = @_;	1744	my ($self) = @_;
1504		1745
1505	# TODO: safety, remove and allow resettable per-player maps	1746	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	1747	return 1e99 if $self->{deny_reset};
1508		1748
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1749	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1750	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1751
…		…
1516	my ($self) = @_;	1756	my ($self) = @_;
1517		1757
1518	$self->reset_at <= $cf::RUNTIME	1758	$self->reset_at <= $cf::RUNTIME
1519	}	1759	}
1520		1760
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	1761	sub reset {
1543	my ($self) = @_;	1762	my ($self) = @_;
1544		1763
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1764	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1765
1547	return if $self->players;	1766	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		1767
1550	warn "resetting map ", $self->path;#d#	1768	warn "resetting map ", $self->path;
		1769
		1770	$self->in_memory (cf::MAP_SWAPPED);
		1771
		1772	# need to save uniques path
		1773	unless ($self->{deny_save}) {
		1774	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1775
		1776	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1777	if $uniq;
		1778	}
1551		1779
1552	delete $cf::MAP{$self->path};	1780	delete $cf::MAP{$self->path};
		1781
		1782	$self->clear;
1553		1783
1554	$_->clear_links_to ($self) for values %cf::MAP;	1784	$_->clear_links_to ($self) for values %cf::MAP;
1555		1785
1556	$self->unlink_save;	1786	$self->unlink_save;
1557	$self->destroy;	1787	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1790	my $nuke_counter = "aaaa";
1561		1791
1562	sub nuke {	1792	sub nuke {
1563	my ($self) = @_;	1793	my ($self) = @_;
1564		1794
		1795	delete $cf::MAP{$self->path};
		1796
		1797	$self->unlink_save;
		1798
		1799	bless $self, "cf::map";
		1800	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1801	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1802	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1804
		1805	$cf::MAP{$self->path} = $self;
		1806
1568	$self->reset; # polite request, might not happen	1807	$self->reset; # polite request, might not happen
1569	}	1808	}
1570		1809
1571	sub customise_for {	1810	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		1811
1574	if ($map->per_player) {	1812	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1813	maps. May block.
		1814
		1815	=cut
		1816
		1817	sub tmp_maps() {
1576	}	1818	[
		1819	map {
		1820	utf8::decode $_;
		1821	/\.map$/
		1822	? normalise $_
		1823	: ()
		1824	} @{ aio_readdir $TMPDIR or [] }
		1825	]
		1826	}
1577		1827
1578	$map	1828	=item $maps = cf::map::random_maps
		1829
		1830	Returns an arrayref with all map paths of currently instantiated and saved
		1831	random maps. May block.
		1832
		1833	=cut
		1834
		1835	sub random_maps() {
		1836	[
		1837	map {
		1838	utf8::decode $_;
		1839	/\.map$/
		1840	? normalise "?random/$_"
		1841	: ()
		1842	} @{ aio_readdir $RANDOMDIR or [] }
		1843	]
		1844	}
		1845
		1846	=item cf::map::unique_maps
		1847
		1848	Returns an arrayref of paths of all shared maps that have
		1849	instantiated unique items. May block.
		1850
		1851	=cut
		1852
		1853	sub unique_maps() {
		1854	[
		1855	map {
		1856	utf8::decode $_;
		1857	/\.map$/
		1858	? normalise $_
		1859	: ()
		1860	} @{ aio_readdir $UNIQUEDIR or [] }
		1861	]
1579	}	1862	}
1580		1863
1581	package cf;	1864	package cf;
1582		1865
1583	=back	1866	=back
…		…
1655		1938
1656	=item $player_object->enter_link	1939	=item $player_object->enter_link
1657		1940
1658	Freezes the player and moves him/her to a special map (C<{link}>).	1941	Freezes the player and moves him/her to a special map (C<{link}>).
1659		1942
1660	The player should be reaosnably safe there for short amounts of time. You	1943	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	1944	I<MUST> call C<leave_link> as soon as possible, though.
1662		1945
		1946	Will never block.
		1947
1663	=item $player_object->leave_link ($map, $x, $y)	1948	=item $player_object->leave_link ($map, $x, $y)
1664		1949
1665	Moves the player out of the specila link map onto the given map. If the	1950	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	1951	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	1952	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1953	fails, to the emergency map position.
1669		1954
1670	Might block.	1955	Might block.
1671		1956
1672	=cut	1957	=cut
		1958
		1959	sub link_map {
		1960	unless ($LINK_MAP) {
		1961	$LINK_MAP = cf::map::find "{link}"
		1962	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1963	$LINK_MAP->load;
		1964	}
		1965
		1966	$LINK_MAP
		1967	}
1673		1968
1674	sub cf::object::player::enter_link {	1969	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1970	my ($self) = @_;
1676		1971
1677	$self->deactivate_recursive;	1972	$self->deactivate_recursive;
1678		1973
1679	return if $self->map == $LINK_MAP;	1974	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1975
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1977	if $self->map && $self->map->{path} ne "{link}";
1683		1978
1684	$self->enter_map ($LINK_MAP, 20, 20);	1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1980	}
1686		1981
1687	sub cf::object::player::leave_link {	1982	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1983	my ($self, $map, $x, $y) = @_;
		1984
		1985	return unless $self->contr->active;
1689		1986
1690	my $link_pos = delete $self->{_link_pos};	1987	my $link_pos = delete $self->{_link_pos};
1691		1988
1692	unless ($map) {	1989	unless ($map) {
1693	# restore original map position	1990	# restore original map position
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	2004	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2005	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2006	if $x <=0 && $y <= 0;
1710		2007
1711	$map->load;	2008	$map->load;
		2009	$map->load_diag;
1712		2010
1713	return unless $self->contr->active;	2011	return unless $self->contr->active;
1714	$self->activate_recursive;	2012	$self->activate_recursive;
		2013
		2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	2015	$self->enter_map ($map, $x, $y);
1716	}	2016	}
1717		2017
1718	cf::player->attach (
1719	on_logout => sub {
1720	my ($pl) = @_;
1721
1722	# abort map switching before logout
1723	if ($pl->ob->{_link_pos}) {
1724	cf::sync_job {
1725	$pl->ob->leave_link
1726	};
1727	}
1728	},
1729	on_login => sub {
1730	my ($pl) = @_;
1731
1732	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749
1750	=item $player_object->goto ($path, $x, $y)	2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1751		2019
		2020	Moves the player to the given map-path and coordinates by first freezing
		2021	her, loading and preparing them map, calling the provided $check callback
		2022	that has to return the map if sucecssful, and then unfreezes the player on
		2023	the new (success) or old (failed) map position.
		2024
1752	=cut	2025	=cut
		2026
		2027	our $GOTOGEN;
1753		2028
1754	sub cf::object::player::goto {	2029	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2030	my ($self, $path, $x, $y, $check) = @_;
1756		2031
1757	$path = new cf::path $path;	2032	# do generation counting so two concurrent goto's will be executed in-order
1758	$path ne "/" or Carp::cluck ("oy");#d#	2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2034
1760	$self->enter_link;	2035	$self->enter_link;
1761		2036
1762	(async {	2037	(async {
		2038	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	2039	my $map = cf::map::find $path;
		2040
		2041	if ($map) {
1764	$map = $map->customise_for ($self) if $map;	2042	$map = $map->customise_for ($self);
1765		2043	$map = $check->($map) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2044	} else {
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2046	}
1770		2047
		2048	$map
		2049	};
		2050
		2051	if ($@) {
		2052	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2053	LOG llevError | logBacktrace, Carp::longmess $@;
		2054	}
		2055
		2056	if ($gen == $self->{_goto_generation}) {
		2057	delete $self->{_goto_generation};
1771	$self->leave_link ($map, $x, $y);	2058	$self->leave_link ($map, $x, $y);
		2059	}
1772	})->prio (1);	2060	})->prio (1);
1773	}	2061	}
1774		2062
1775	=item $player_object->enter_exit ($exit_object)	2063	=item $player_object->enter_exit ($exit_object)
1776		2064
…		…
1778		2066
1779	sub parse_random_map_params {	2067	sub parse_random_map_params {
1780	my ($spec) = @_;	2068	my ($spec) = @_;
1781		2069
1782	my $rmp = { # defaults	2070	my $rmp = { # defaults
1783	xsize => 10,	2071	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2072	ysize => (cf::rndm 15, 40),
		2073	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2074	#layout => string,
1785	};	2075	};
1786		2076
1787	for (split /\n/, $spec) {	2077	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2078	my ($k, $v) = split /\s+/, $_, 2;
1789		2079
…		…
1793	$rmp	2083	$rmp
1794	}	2084	}
1795		2085
1796	sub prepare_random_map {	2086	sub prepare_random_map {
1797	my ($exit) = @_;	2087	my ($exit) = @_;
		2088
		2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		2090
1799	# all this does is basically replace the /! path by	2091	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	2092	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	2093	# that depends on the exit object
1802		2094
1803	my $rmp = parse_random_map_params $exit->msg;	2095	my $rmp = parse_random_map_params $exit->msg;
1804		2096
1805	if ($exit->map) {	2097	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2098	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2099	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2100	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2101	$rmp->{origin_y} = $exit->y;
1810	}	2102	}
1811		2103
1812	$rmp->{random_seed} ||= $exit->random_seed;	2104	$rmp->{random_seed} ||= $exit->random_seed;
1813		2105
1814	my $data = cf::to_json $rmp;	2106	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	2107	my $md5 = Digest::MD5::md5_hex $data;
		2108	my $meta = "$RANDOMDIR/$md5.meta";
1816		2109
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2111	aio_write $fh, 0, (length $data), $data, 0;
		2112	undef $fh;
		2113	aio_rename "$meta~", $meta;
1819		2114
1820	$exit->slaying ("?random/$md5");	2115	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2116	$exit->msg (undef);
1822	}	2117	}
1823	}	2118	}
1824		2119
1825	sub cf::object::player::enter_exit {	2120	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2121	my ($self, $exit) = @_;
1827		2122
1828	return unless $self->type == cf::PLAYER;	2123	return unless $self->type == cf::PLAYER;
		2124
		2125	if ($exit->slaying eq "/!") {
		2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2127	# the problem is that $exit might not survive long enough
		2128	# so it needs to be done right now, right here
		2129	cf::sync_job { prepare_random_map $exit };
		2130	}
		2131
		2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2133	my $hp = $exit->stats->hp;
		2134	my $sp = $exit->stats->sp;
1829		2135
1830	$self->enter_link;	2136	$self->enter_link;
1831		2137
1832	(async {	2138	(async {
1833	$self->deactivate_recursive; # just to be sure	2139	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	2140	unless (eval {
1835	prepare_random_map $exit	2141	$self->goto ($slaying, $hp, $sp);
1836	if $exit->slaying eq "/!";
1837
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840		2142
1841	1;	2143	1;
1842	}) {	2144	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2145	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	2146	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2147	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2148	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2149
1848	warn "ERROR in enter_exit: $@";	2150	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2151	$self->leave_link;
1850	}	2152	}
1851	})->prio (1);	2153	})->prio (1);
…		…
1864		2166
1865	sub cf::client::send_drawinfo {	2167	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2168	my ($self, $text, $flags) = @_;
1867		2169
1868	utf8::encode $text;	2170	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2172	}
1871		2173
		2174	=item $client->ext_event ($type, %msg)
		2175
		2176	Sends an exti event to the client.
		2177
		2178	=cut
		2179
		2180	sub cf::client::ext_event($$%) {
		2181	my ($self, $type, %msg) = @_;
		2182
		2183	$msg{msgtype} = "event_$type";
		2184	$self->send_packet ("ext " . cf::to_json \%msg);
		2185	}
1872		2186
1873	=item $success = $client->query ($flags, "text", \&cb)	2187	=item $success = $client->query ($flags, "text", \&cb)
1874		2188
1875	Queues a query to the client, calling the given callback with	2189	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1905	# get handled first	2219	# get handled first
1906	my $queue = delete $ns->{query_queue}	2220	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2221	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2222
1909	(shift @$queue)->[1]->($msg);	2223	(shift @$queue)->[1]->($msg);
		2224	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2225
1911	push @{ $ns->{query_queue} }, @$queue;	2226	push @{ $ns->{query_queue} }, @$queue;
1912		2227
1913	if (@{ $ns->{query_queue} } == @$queue) {	2228	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2229	if (@$queue) {
…		…
1972		2287
1973	# here we export the classes and methods available to script code	2288	# here we export the classes and methods available to script code
1974		2289
1975	=pod	2290	=pod
1976		2291
1977	The following fucntions and emthods are available within a safe environment:	2292	The following functions and methods are available within a safe environment:
1978		2293
1979	cf::object contr pay_amount pay_player map	2294	cf::object contr pay_amount pay_player map
1980	cf::object::player player	2295	cf::object::player player
1981	cf::player peaceful	2296	cf::player peaceful
1982	cf::map trigger	2297	cf::map trigger
…		…
2067	#############################################################################	2382	#############################################################################
2068		2383
2069	=head2 EXTENSION DATABASE SUPPORT	2384	=head2 EXTENSION DATABASE SUPPORT
2070		2385
2071	Crossfire maintains a very simple database for extension use. It can	2386	Crossfire maintains a very simple database for extension use. It can
2072	currently store anything that can be serialised using Storable, which	2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2073	excludes objects.	2388	convert to/from binary).
2074		2389
2075	The parameter C<$family> should best start with the name of the extension	2390	The parameter C<$family> should best start with the name of the extension
2076	using it, it should be unique.	2391	using it, it should be unique.
2077		2392
2078	=over 4	2393	=over 4
2079		2394
2080	=item $hashref = cf::db_get $family
2081
2082	Return a hashref for use by the extension C<$family>, which can be
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085
2086	=item $value = cf::db_get $family => $key	2395	=item $value = cf::db_get $family => $key
2087		2396
2088	Returns a single value from the database	2397	Returns a single value from the database.
2089
2090	=item cf::db_put $family => $hashref
2091
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094		2398
2095	=item cf::db_put $family => $key => $value	2399	=item cf::db_put $family => $key => $value
2096		2400
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2401	Stores the given C<$value> in the family.
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107		2402
2108	=cut	2403	=cut
2109		2404
2110	our $DB;	2405	our $DB;
2111		2406
2112	{	2407	sub db_init {
2113	my $path = cf::localdir . "/database.pst";	2408	unless ($DB) {
		2409	$DB = BDB::db_create $DB_ENV;
2114		2410
2115	sub db_load() {	2411	cf::sync_job {
2116	$DB = stat $path ? Storable::retrieve $path : { };	2412	eval {
2117	}	2413	$DB->set_flags (BDB::CHKSUM);
2118		2414
2119	my $pid;	2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2120		2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2121	sub db_save() {	2417	cf::cleanup "db_open(db): $!" if $!;
2122	waitpid $pid, 0 if $pid;	2418	};
2123	if (0 == ($pid = fork)) {	2419	cf::cleanup "db_open(db): $@" if $@;
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}	2420	};
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	2421	}
		2422	}
2141		2423
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {	2424	sub db_get($$) {
2148	@_ >= 2	2425	my $key = "$_[0]/$_[1]";
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		2426
		2427	cf::sync_job {
		2428	BDB::db_get $DB, undef, $key, my $data;
		2429
		2430	$! ? ()
		2431	: $data
		2432	}
		2433	}
		2434
2153	sub db_put($$;$) {	2435	sub db_put($$$) {
2154	if (@_ >= 3) {	2436	BDB::dbreq_pri 4;
2155	$DB->{$_[0]}{$_[1]} = $_[2];	2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2156	} else {	2438	}
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		2439
2162	cf::global->attach (	2440	=item cf::cache $id => [$paths...], $processversion => $process
2163	prio => 10000,	2441
2164	on_cleanup => sub {	2442	Generic caching function that returns the value of the resource $id,
2165	db_sync;	2443	caching and regenerating as required.
		2444
		2445	This function can block.
		2446
		2447	=cut
		2448
		2449	sub cache {
		2450	my ($id, $src, $processversion, $process) = @_;
		2451
		2452	my $meta =
		2453	join "\x00",
		2454	$processversion,
		2455	map {
		2456	aio_stat $_
		2457	and Carp::croak "$_: $!";
		2458
		2459	($_, (stat _)[7,9])
		2460	} @$src;
		2461
		2462	my $dbmeta = db_get cache => "$id/meta";
		2463	if ($dbmeta ne $meta) {
		2464	# changed, we may need to process
		2465
		2466	my @data;
		2467	my $md5;
		2468
		2469	for (0 .. $#$src) {
		2470	0 <= aio_load $src->[$_], $data[$_]
		2471	or Carp::croak "$src->[$_]: $!";
2166	},	2472	}
2167	);	2473
		2474	# if processing is expensive, check
		2475	# checksum first
		2476	if (1) {
		2477	$md5 =
		2478	join "\x00",
		2479	$processversion,
		2480	map {
		2481	Coro::cede;
		2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2483	} 0.. $#$src;
		2484
		2485
		2486	my $dbmd5 = db_get cache => "$id/md5";
		2487	if ($dbmd5 eq $md5) {
		2488	db_put cache => "$id/meta", $meta;
		2489
		2490	return db_get cache => "$id/data";
		2491	}
		2492	}
		2493
		2494	my $t1 = Time::HiRes::time;
		2495	my $data = $process->(\@data);
		2496	my $t2 = Time::HiRes::time;
		2497
		2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2499
		2500	db_put cache => "$id/data", $data;
		2501	db_put cache => "$id/md5" , $md5;
		2502	db_put cache => "$id/meta", $meta;
		2503
		2504	return $data;
		2505	}
		2506
		2507	db_get cache => "$id/data"
		2508	}
		2509
		2510	=item fork_call { }, $args
		2511
		2512	Executes the given code block with the given arguments in a seperate
		2513	process, returning the results. Everything must be serialisable with
		2514	Coro::Storable. May, of course, block. Note that the executed sub may
		2515	never block itself or use any form of Event handling.
		2516
		2517	=cut
		2518
		2519	sub fork_call(&@) {
		2520	my ($cb, @args) = @_;
		2521
		2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2523	# or die "socketpair: $!";
		2524	pipe my $fh1, my $fh2
		2525	or die "pipe: $!";
		2526
		2527	if (my $pid = fork) {
		2528	close $fh2;
		2529
		2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2531	$res = Coro::Storable::thaw $res;
		2532
		2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2534
		2535	die $$res unless "ARRAY" eq ref $res;
		2536
		2537	return wantarray ? @$res : $res->[-1];
		2538	} else {
		2539	reset_signals;
		2540	local $SIG{__WARN__};
		2541	local $SIG{__DIE__};
		2542	eval {
		2543	close $fh1;
		2544
		2545	my @res = eval { $cb->(@args) };
		2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2547	};
		2548
		2549	warn $@ if $@;
		2550	_exit 0;
		2551	}
2168	}	2552	}
2169		2553
2170	#############################################################################	2554	#############################################################################
2171	# the server's main()	2555	# the server's init and main functions
		2556
		2557	sub load_facedata($) {
		2558	my ($path) = @_;
		2559
		2560	warn "loading facedata from $path\n";
		2561
		2562	my $facedata;
		2563	0 < aio_load $path, $facedata
		2564	or die "$path: $!";
		2565
		2566	$facedata = Coro::Storable::thaw $facedata;
		2567
		2568	$facedata->{version} == 2
		2569	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2570
		2571	{
		2572	my $faces = $facedata->{faceinfo};
		2573
		2574	while (my ($face, $info) = each %$faces) {
		2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2579	Coro::cede;
		2580	}
		2581
		2582	while (my ($face, $info) = each %$faces) {
		2583	next unless $info->{smooth};
		2584	my $idx = cf::face::find $face
		2585	or next;
		2586	if (my $smooth = cf::face::find $info->{smooth}) {
		2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2588	} else {
		2589	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2590	}
		2591	Coro::cede;
		2592	}
		2593	}
		2594
		2595	{
		2596	my $anims = $facedata->{animinfo};
		2597
		2598	while (my ($anim, $info) = each %$anims) {
		2599	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2600	Coro::cede;
		2601	}
		2602
		2603	cf::anim::invalidate_all; # d'oh
		2604	}
		2605
		2606	1
		2607	}
		2608
		2609	sub reload_regions {
		2610	load_resource_file "$MAPDIR/regions"
		2611	or die "unable to load regions file\n";
		2612	}
		2613
		2614	sub reload_facedata {
		2615	load_facedata "$DATADIR/facedata"
		2616	or die "unable to load facedata\n";
		2617	}
		2618
		2619	sub reload_archetypes {
		2620	load_resource_file "$DATADIR/archetypes"
		2621	or die "unable to load archetypes\n";
		2622	}
		2623
		2624	sub reload_treasures {
		2625	load_resource_file "$DATADIR/treasures"
		2626	or die "unable to load treasurelists\n";
		2627	}
		2628
		2629	sub reload_resources {
		2630	warn "reloading resource files...\n";
		2631
		2632	reload_regions;
		2633	reload_facedata;
		2634	#reload_archetypes;#d#
		2635	reload_archetypes;
		2636	reload_treasures;
		2637
		2638	warn "finished reloading resource files\n";
		2639	}
		2640
		2641	sub init {
		2642	reload_resources;
		2643	}
2172		2644
2173	sub cfg_load {	2645	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2646	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	2647	or return;
2176		2648
2177	local $/;	2649	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	2650	*CFG = YAML::Syck::Load <$fh>;
2179		2651
…		…
2193		2665
2194	sub main {	2666	sub main {
2195	# we must not ever block the main coroutine	2667	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2668	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2670	(async {
2198	async { Event::one_event };	2671	Event::one_event;
		2672	})->prio (Coro::PRIO_MAX);
2199	};	2673	};
2200		2674
2201	cfg_load;	2675	cfg_load;
2202	db_load;	2676	db_init;
2203	load_extensions;	2677	load_extensions;
		2678
		2679	$TICK_WATCHER->start;
2204	Event::loop;	2680	Event::loop;
2205	}	2681	}
2206		2682
2207	#############################################################################	2683	#############################################################################
2208	# initialisation and cleanup	2684	# initialisation and cleanup
2209		2685
2210	# install some emergency cleanup handlers	2686	# install some emergency cleanup handlers
2211	BEGIN {	2687	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2688	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2689	Event->signal (
		2690	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2691	data => WF_AUTOCANCEL,
2215	signal => $signal,	2692	signal => $signal,
		2693	prio => 0,
2216	cb => sub {	2694	cb => sub {
2217	cf::cleanup "SIG$signal";	2695	cf::cleanup "SIG$signal";
2218	},	2696	},
2219	);	2697	);
2220	}	2698	}
2221	}	2699	}
2222		2700
2223	sub emergency_save {	2701	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	2702	my $freeze_guard = cf::freeze_mainloop;
2225		2703
2226	warn "enter emergency perl save\n";	2704	warn "enter emergency perl save\n";
2227		2705
2228	cf::sync_job {	2706	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2707	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2708	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2709	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2710	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2711	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2712	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2713	$pl->valid or next;
2236	$pl->save;	2714	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2720	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2721	$map->valid or next;
2244	$map->save;	2722	$map->save;
2245	}	2723	}
2246	warn "end emergency map save\n";	2724	warn "end emergency map save\n";
		2725
		2726	warn "begin emergency database checkpoint\n";
		2727	BDB::db_env_txn_checkpoint $DB_ENV;
		2728	warn "end emergency database checkpoint\n";
2247	};	2729	};
2248		2730
2249	warn "leave emergency perl save\n";	2731	warn "leave emergency perl save\n";
2250	}	2732	}
2251		2733
		2734	sub post_cleanup {
		2735	my ($make_core) = @_;
		2736
		2737	warn Carp::longmess "post_cleanup backtrace"
		2738	if $make_core;
		2739	}
		2740
2252	sub reload() {	2741	sub do_reload_perl() {
2253	# can/must only be called in main	2742	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2743	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2744	warn "can only reload from main coroutine";
2256	return;	2745	return;
2257	}	2746	}
2258		2747
2259	warn "reloading...";	2748	warn "reloading...";
2260		2749
2261	my $guard = freeze_mainloop;	2750	warn "entering sync_job";
		2751
		2752	cf::sync_job {
		2753	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2754	cf::emergency_save;
		2755	cf::write_runtime; # external watchdog should not bark
2263		2756
2264	eval {	2757	warn "syncing database to disk";
		2758	BDB::db_env_txn_checkpoint $DB_ENV;
		2759
2265	# if anything goes wrong in here, we should simply crash as we already saved	2760	# if anything goes wrong in here, we should simply crash as we already saved
2266		2761
2267	# cancel all watchers	2762	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2763	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2765	}
2271		2766
		2767	warn "flushing outstanding aio requests";
		2768	for (;;) {
		2769	BDB::flush;
		2770	IO::AIO::flush;
		2771	Coro::cede;
		2772	last unless IO::AIO::nreqs || BDB::nreqs;
		2773	warn "iterate...";
		2774	}
		2775
		2776	++$RELOAD;
		2777
2272	# cancel all extension coros	2778	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2779	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2780	%EXT_CORO = ();
2275		2781
2276	# unload all extensions	2782	warn "removing commands";
2277	for (@exts) {	2783	%COMMAND = ();
		2784
		2785	warn "removing ext commands";
		2786	%EXTCMD = ();
		2787
		2788	warn "unloading/nuking all extensions";
		2789	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2790	warn "... unloading $pkg";
2279	unload_extension $_;	2791
		2792	if (my $cb = $pkg->can ("unload")) {
		2793	eval {
		2794	$cb->($pkg);
		2795	1
		2796	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2797	}
2281		2798
		2799	warn "... nuking $pkg";
		2800	Symbol::delete_package $pkg;
		2801	}
		2802
2282	# unload all modules loaded from $LIBDIR	2803	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2804	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2806
2286	warn "removing <$k>";	2807	warn "... unloading $k";
2287	delete $INC{$k};	2808	delete $INC{$k};
2288		2809
2289	$k =~ s/\.pm$//;	2810	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2811	$k =~ s/\//::/g;
2291		2812
…		…
2294	}	2815	}
2295		2816
2296	Symbol::delete_package $k;	2817	Symbol::delete_package $k;
2297	}	2818	}
2298		2819
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2820	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2821	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2822	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2823
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2824	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2825	delete $INC{"cf.pm"};
		2826	delete $INC{"cf/pod.pm"};
2312		2827
2313	# don't, removes xs symbols, too,	2828	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2829	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2830	#Symbol::delete_package __PACKAGE__;
2316		2831
2317	# reload cf.pm	2832	warn "unload completed, starting to reload now";
		2833
2318	warn "reloading cf.pm";	2834	warn "reloading cf.pm";
2319	require cf;	2835	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2837
2322	# load config and database again	2838	warn "loading config and database again";
2323	cf::cfg_load;	2839	cf::cfg_load;
2324	cf::db_load;
2325		2840
2326	# load extensions
2327	warn "load extensions";	2841	warn "loading extensions";
2328	cf::load_extensions;	2842	cf::load_extensions;
2329		2843
2330	# reattach attachments to objects	2844	warn "reattaching attachments to objects/players";
2331	warn "reattach";	2845	_global_reattach; # objects, sockets
2332	_global_reattach;	2846	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2847	reattach $_ for values %MAP;
2334	};	2848	warn "reattaching attachments to players";
		2849	reattach $_ for values %PLAYER;
2335		2850
2336	if ($@) {	2851	warn "leaving sync_job";
		2852
		2853	1
		2854	} or do {
2337	warn $@;	2855	warn $@;
2338	warn "error while reloading, exiting.";	2856	warn "error while reloading, exiting.";
2339	exit 1;	2857	exit 1;
2340	}	2858	};
2341		2859
2342	warn "reloaded successfully";	2860	warn "reloaded";
2343	};	2861	};
2344		2862
2345	#############################################################################	2863	our $RELOAD_WATCHER; # used only during reload
2346		2864
2347	unless ($LINK_MAP) {	2865	sub reload_perl() {
2348	$LINK_MAP = cf::map::new;	2866	# doing reload synchronously and two reloads happen back-to-back,
		2867	# coro crashes during coro_state_free->destroy here.
2349		2868
2350	$LINK_MAP->width (41);	2869	$RELOAD_WATCHER ||= Event->timer (
2351	$LINK_MAP->height (41);	2870	reentrant => 0,
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,	2871	after => 0,
		2872	data => WF_AUTOCANCEL,
2360	cb => sub {	2873	cb => sub {
2361	$_[0]->w->cancel;	2874	do_reload_perl;
2362		2875	undef $RELOAD_WATCHER;
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});	2876	},
2381		2877	);
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	2878	}
2387
2388	register "<global>", __PACKAGE__;
2389		2879
2390	register_command "reload" => sub {	2880	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2881	my ($who, $arg) = @_;
2392		2882
2393	if ($who->flag (FLAG_WIZ)) {	2883	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	2884	$who->message ("reloading server.");
		2885	async { reload_perl };
2397	}	2886	}
2398	};	2887	};
2399		2888
2400	unshift @INC, $LIBDIR;	2889	unshift @INC, $LIBDIR;
2401		2890
		2891	my $bug_warning = 0;
		2892
		2893	our @WAIT_FOR_TICK;
		2894	our @WAIT_FOR_TICK_BEGIN;
		2895
		2896	sub wait_for_tick {
		2897	return unless $TICK_WATCHER->is_active;
		2898	return if $Coro::current == $Coro::main;
		2899
		2900	my $signal = new Coro::Signal;
		2901	push @WAIT_FOR_TICK, $signal;
		2902	$signal->wait;
		2903	}
		2904
		2905	sub wait_for_tick_begin {
		2906	return unless $TICK_WATCHER->is_active;
		2907	return if $Coro::current == $Coro::main;
		2908
		2909	my $signal = new Coro::Signal;
		2910	push @WAIT_FOR_TICK_BEGIN, $signal;
		2911	$signal->wait;
		2912	}
		2913
		2914	my $min = 1e6;#d#
		2915	my $avg = 10;
2402	$TICK_WATCHER = Event->timer (	2916	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2917	reentrant => 0,
		2918	parked => 1,
2404	prio => 0,	2919	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2920	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2921	data => WF_AUTOCANCEL,
2407	cb => sub {	2922	cb => sub {
		2923	if ($Coro::current != $Coro::main) {
		2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2925	unless ++$bug_warning > 10;
		2926	return;
		2927	}
		2928
		2929	$NOW = $tick_start = Event::time;
		2930
2408	cf::server_tick; # one server iteration	2931	cf::server_tick; # one server iteration
		2932
		2933	0 && sync_job {#d#
		2934	for(1..10) {
		2935	my $t = Event::time;
		2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2937	or die;
		2938
		2939	$map->width (50);
		2940	$map->height (50);
		2941	$map->alloc;
		2942	$map->_load_objects ("/tmp/x.map", 1);
		2943	my $t = Event::time - $t;
		2944
		2945	#next unless $t < 0.0013;#d#
		2946	if ($t < $min) {
		2947	$min = $t;
		2948	}
		2949	$avg = $avg * 0.99 + $t * 0.01;
		2950	}
		2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2952	exit 0;
		2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2954	};
		2955
2409	$RUNTIME += $TICK;	2956	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2957	$NEXT_TICK += $TICK;
2411		2958
2412	$WAIT_FOR_TICK->broadcast;	2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2961	Coro::async_pool {
		2962	write_runtime
		2963	or warn "ERROR: unable to write runtime file: $!";
		2964	};
		2965	}
		2966
		2967	# my $AFTER = Event::time;
		2968	# warn $AFTER - $NOW;#d#
		2969
		2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2971	$sig->send;
		2972	}
		2973	while (my $sig = shift @WAIT_FOR_TICK) {
		2974	$sig->send;
		2975	}
		2976
		2977	$NOW = Event::time;
2414		2978
2415	# if we are delayed by four ticks or more, skip them all	2979	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2417		2981
2418	$TICK_WATCHER->at ($NEXT_TICK);	2982	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2983	$TICK_WATCHER->start;
		2984
		2985	$LOAD = ($NOW - $tick_start) / $TICK;
		2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2987
		2988	_post_tick;
		2989
		2990
2420	},	2991	},
2421	);	2992	);
2422		2993
		2994	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2995	BDB::max_poll_time $TICK * 0.1;
2424		2996	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2997	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2998	fd => BDB::poll_fileno,
2427	poll => 'r',	2999	poll => 'r',
2428	prio => 5,	3000	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	3001	data => WF_AUTOCANCEL,
2435	after => 0,	3002	cb => \&BDB::poll_cb,
2436	interval => 10,	3003	);
2437	cb => sub {	3004	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	3005
2439	write_runtime	3006	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	3007	my $status;
		3008	my $current = $Coro::current;
		3009	(
		3010	sub {
		3011	$status = $!;
		3012	$current->ready; undef $current;
		3013	},
		3014	sub {
		3015	Coro::schedule while defined $current;
		3016	$! = $status;
		3017	},
		3018	)
		3019	};
		3020
		3021	unless ($DB_ENV) {
		3022	$DB_ENV = BDB::db_env_create;
		3023
		3024	cf::sync_job {
		3025	eval {
		3026	BDB::db_env_open
		3027	$DB_ENV,
		3028	$BDBDIR,
		3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3031	0666;
		3032
		3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3034
		3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3036	$DB_ENV->set_lk_detect;
		3037	};
		3038
		3039	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	3040	};
2442	},	3041	}
2443	);	3042	}
		3043
		3044	{
		3045	IO::AIO::min_parallel 8;
		3046
		3047	undef $Coro::AIO::WATCHER;
		3048	IO::AIO::max_poll_time $TICK * 0.1;
		3049	$AIO_POLL_WATCHER = Event->io (
		3050	reentrant => 0,
		3051	data => WF_AUTOCANCEL,
		3052	fd => IO::AIO::poll_fileno,
		3053	poll => 'r',
		3054	prio => 6,
		3055	cb => \&IO::AIO::poll_cb,
		3056	);
		3057	}
		3058
		3059	my $_log_backtrace;
		3060
		3061	sub _log_backtrace {
		3062	my ($msg, @addr) = @_;
		3063
		3064	$msg =~ s/\n//;
		3065
		3066	# limit the # of concurrent backtraces
		3067	if ($_log_backtrace < 2) {
		3068	++$_log_backtrace;
		3069	async {
		3070	my @bt = fork_call {
		3071	@addr = map { sprintf "%x", $_ } @addr;
		3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3074	or die "addr2line: $!";
		3075
		3076	my @funcs;
		3077	my @res = <$fh>;
		3078	chomp for @res;
		3079	while (@res) {
		3080	my ($func, $line) = splice @res, 0, 2, ();
		3081	push @funcs, "[$func] $line";
		3082	}
		3083
		3084	@funcs
		3085	};
		3086
		3087	LOG llevInfo, "[ABT] $msg\n";
		3088	LOG llevInfo, "[ABT] $_\n" for @bt;
		3089	--$_log_backtrace;
		3090	};
		3091	} else {
		3092	LOG llevInfo, "[ABT] $msg\n";
		3093	LOG llevInfo, "[ABT] [suppressed]\n";
		3094	}
		3095	}
		3096
		3097	# load additional modules
		3098	use cf::pod;
2444		3099
2445	END { cf::emergency_save }	3100	END { cf::emergency_save }
2446		3101
2447	1	3102	1
2448		3103

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