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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.267 by root, Sat May 19 00:08:11 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';
…		…
156	}	205	}
157		206
158	$Event::DIED = sub {	207	$Event::DIED = sub {
159	warn "error in event callback: @_";	208	warn "error in event callback: @_";
160	};	209	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		210
166	=head2 UTILITY FUNCTIONS	211	=head2 UTILITY FUNCTIONS
167		212
168	=over 4	213	=over 4
169		214
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	234	$d
190	} || "[unable to dump $_[0]: '$@']";	235	} || "[unable to dump $_[0]: '$@']";
191	}	236	}
192		237
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		239
195	=item $ref = cf::from_json $json	240	=item $ref = cf::from_json $json
196		241
197	Converts a JSON string into the corresponding perl data structure.	242	Converts a JSON string into the corresponding perl data structure.
198		243
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	244	=item $json = cf::to_json $ref
207		245
208	Converts a perl data structure into its JSON representation.	246	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		247
217	=item cf::lock_wait $string	248	=item cf::lock_wait $string
218		249
219	Wait until the given lock is available. See cf::lock_acquire.	250	Wait until the given lock is available. See cf::lock_acquire.
220		251
…		…
226	returned.	257	returned.
227		258
228	Lock names should begin with a unique identifier (for example, cf::map::find	259	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	260	uses map_find and cf::map::load uses map_load).
230		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
231	=cut	266	=cut
232		267
233	our %LOCK;	268	our %LOCK;
234		269
235	sub lock_wait($) {	270	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	289	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	290	$_->ready for @{ delete $LOCK{$key} };
256	}	291	}
257	}	292	}
258		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
		298	}
		299
259	sub freeze_mainloop {	300	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	301	return unless $TICK_WATCHER->is_active;
261		302
262	my $guard = Coro::guard { $TICK_WATCHER->start };	303	my $guard = Coro::guard {
		304	$TICK_WATCHER->start;
		305	};
263	$TICK_WATCHER->stop;	306	$TICK_WATCHER->stop;
264	$guard	307	$guard
265	}	308	}
266		309
267	=item cf::async { BLOCK }	310	=item cf::async { BLOCK }
…		…
289		332
290	sub sync_job(&) {	333	sub sync_job(&) {
291	my ($job) = @_;	334	my ($job) = @_;
292		335
293	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
294	# this is the main coro, too bad, we have to block	339	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	340	# till the operation succeeds, freezing the server :/
296		341
297	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	343	# (but this is cancel-safe)
…		…
309		354
310	while ($busy) {	355	while ($busy) {
311	Coro::cede or Event::one_event;	356	Coro::cede or Event::one_event;
312	}	357	}
313		358
		359	$time = Event::time - $time;
		360
		361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		363
		364	$tick_start += $time; # do not account sync jobs to server load
		365
314	wantarray ? @res : $res[0]	366	wantarray ? @res : $res[0]
315	} else {	367	} else {
316	# we are in another coroutine, how wonderful, everything just works	368	# we are in another coroutine, how wonderful, everything just works
317		369
318	$job->()	370	$job->()
319	}	371	}
320	}	372	}
321		373
322	=item $coro = cf::async_ext { BLOCK }	374	=item $coro = cf::async_ext { BLOCK }
323		375
324	Like async, but this coro is automcatially being canceled when the	376	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	377	extension calling this is being unloaded.
326		378
327	=cut	379	=cut
328		380
329	sub async_ext(&) {	381	sub async_ext(&) {
…		…
338		390
339	$coro	391	$coro
340	}	392	}
341		393
342	sub write_runtime {	394	sub write_runtime {
343	my $runtime = cf::localdir . "/runtime";	395	my $runtime = "$LOCALDIR/runtime";
		396
		397	# first touch the runtime file to show we are still running:
		398	# the fsync below can take a very very long time.
		399
		400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		401	utime undef, undef, $fh;
		402	}
		403
		404	my $guard = cf::lock_acquire "write_runtime";
344		405
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	407	or return;
347		408
		409	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	410	# 10 is the runtime save interval, for a monotonic clock
		411	# 60 allows for the watchdog to kill the server.
		412
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	413	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	414	and return;
351		415
		416	# always fsync - this file is important
352	aio_fsync $fh	417	aio_fsync $fh
353	and return;	418	and return;
354		419
		420	# touch it again to show we are up-to-date
		421	utime undef, undef, $fh;
		422
355	close $fh	423	close $fh
356	or return;	424	or return;
357		425
358	aio_rename "$runtime~", $runtime	426	aio_rename "$runtime~", $runtime
359	and return;	427	and return;
360		428
		429	warn "runtime file written.\n";#d#
		430
361	1	431	1
362	}	432	}
363		433
		434	=item cf::datalog type => key => value, ...
		435
		436	Log a datalog packet of the given type with the given key-value pairs.
		437
		438	=cut
		439
		440	sub datalog($@) {
		441	my ($type, %kv) = @_;
		442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		443	}
		444
364	=back	445	=back
365		446
366	=cut	447	=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		448
490	#############################################################################	449	#############################################################################
491		450
492	=head2 ATTACHABLE OBJECTS	451	=head2 ATTACHABLE OBJECTS
493		452
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	578	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	579	our @CB_MAP = ();
621		580
622	my %attachment;	581	my %attachment;
623		582
		583	sub cf::attachable::thawer_merge {
		584	# simply override everything except _meta
		585	local $_[0]{_meta};
		586	%{$_[0]} = %{$_[1]};
		587	}
		588
624	sub _attach_cb($$$$) {	589	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	590	my ($registry, $event, $prio, $cb) = @_;
626		591
627	use sort 'stable';	592	use sort 'stable';
628		593
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	627	$registry = $CB_TYPE[$object_type] ||= [];
663		628
664	} elsif ($type eq "subtype") {	629	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	630	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	631	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		633
669	} elsif ($type eq "package") {	634	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	635	my $pkg = shift @arg;
671		636
672	while (my ($name, $id) = each %cb_id) {	637	while (my ($name, $id) = each %cb_id) {
…		…
713	if (ref $_[0]) {	678	if (ref $_[0]) {
714	_object_attach @_;	679	_object_attach @_;
715	} else {	680	} else {
716	_attach shift->_attach_registry, @_;	681	_attach shift->_attach_registry, @_;
717	}	682	}
		683	_recalc_want;
718	};	684	};
719		685
720	# all those should be optimised	686	# all those should be optimised
721	sub cf::attachable::detach {	687	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	688	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	691	delete $obj->{_attachment}{$name};
726	reattach ($obj);	692	reattach ($obj);
727	} else {	693	} else {
728	Carp::croak "cannot, currently, detach class attachments";	694	Carp::croak "cannot, currently, detach class attachments";
729	}	695	}
		696	_recalc_want;
730	};	697	};
731		698
732	sub cf::attachable::attached {	699	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	700	my ($obj, $name) = @_;
734		701
…		…
799	# object support	766	# object support
800		767
801	sub reattach {	768	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	769	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	770	my ($obj) = @_;
		771
		772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		773
805	my $registry = $obj->registry;	774	my $registry = $obj->registry;
806		775
807	@$registry = ();	776	@$registry = ();
808		777
…		…
855	$filename, length $$rdata, scalar @$objs;	824	$filename, length $$rdata, scalar @$objs;
856		825
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	827	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	829	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	830	close $fh;
862		831
863	if (@$objs) {	832	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	834	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	835	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	836	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	837	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	838	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	839	aio_rename "$filename.pst~", "$filename.pst";
871	}	840	}
872	} else {	841	} else {
873	aio_unlink "$filename.pst";	842	aio_unlink "$filename.pst";
…		…
940	=cut	909	=cut
941		910
942	sub register_extcmd {	911	sub register_extcmd {
943	my ($name, $cb) = @_;	912	my ($name, $cb) = @_;
944		913
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	914	$EXTCMD{$name} = $cb;
949	}	915	}
950		916
951	cf::player->attach (	917	cf::player->attach (
952	on_command => sub {	918	on_command => sub {
953	my ($pl, $name, $params) = @_;	919	my ($pl, $name, $params) = @_;
…		…
966		932
967	my $msg = eval { from_json $buf };	933	my $msg = eval { from_json $buf };
968		934
969	if (ref $msg) {	935	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	937	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	938	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	939	}
974	}	940	}
975	} else {	941	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		944
979	cf::override;	945	cf::override;
980	},	946	},
981	);	947	);
982		948
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	949	sub load_extension {
990	my ($path) = @_;	950	my ($path) = @_;
991		951
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	953	my $base = $1;
994	my $pkg = $1;	954	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	955	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	956	$pkg = "ext::$pkg";
997		957
998	warn "loading '$path' into '$pkg'\n";	958	warn "... loading '$path' into '$pkg'\n";
999		959
1000	open my $fh, "<:utf8", $path	960	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	961	or die "$path: $!";
1002		962
1003	my $source =	963	my $source =
1004	"package $pkg; use strict; use utf8;\n"	964	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	965	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	966	. (do { local $/; <$fh> })
1007	. "\n};\n1";	967	. "\n};\n1";
1008		968
1009	eval $source	969	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	970	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	971	: "extension disabled.\n";
1012		972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	973	warn $@;
1014	$ext_pkg{$base} = $pkg;	974	warn "mandatory extension failed to load, exiting.\n";
1015		975	exit 1;
1016	# no strict 'refs';	976	}
1017	# @{"$pkg\::ISA"} = ext::;	977	die $@;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }	978	}
1032		979
1033	# remove commands	980	push @EXTS, $pkg;
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	981	}
1058		982
1059	sub load_extensions {	983	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	984	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	985	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	989	} or warn "$ext not loaded: $@";
1066	}	990	}
1067	}	991	}
1068		992
1069	#############################################################################	993	#############################################################################
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		994
1085	=head2 CORE EXTENSIONS	995	=head2 CORE EXTENSIONS
1086		996
1087	Functions and methods that extend core crossfire objects.	997	Functions and methods that extend core crossfire objects.
1088		998
…		…
1101	Returns the given player object, loading it if necessary (might block).	1011	Returns the given player object, loading it if necessary (might block).
1102		1012
1103	=cut	1013	=cut
1104		1014
1105	sub playerdir($) {	1015	sub playerdir($) {
1106	cf::localdir	1016	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1017	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1018	}
1112		1019
1113	sub path($) {	1020	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1021	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1022
1116	(playerdir $login) . "/$login.pl"	1023	(playerdir $login) . "/playerdata"
1117	}	1024	}
1118		1025
1119	sub find_active($) {	1026	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1027	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1028	and $cf::PLAYER{$_[0]}->active
…		…
1124		1031
1125	sub exists($) {	1032	sub exists($) {
1126	my ($login) = @_;	1033	my ($login) = @_;
1127		1034
1128	$cf::PLAYER{$login}	1035	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1036	or cf::sync_job { !aio_stat path $login }
1130	}	1037	}
1131		1038
1132	sub find($) {	1039	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1040	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1041	my $login = $_[0];
1135		1042
1136	my $guard = cf::lock_acquire "user_find:$login";	1043	my $guard = cf::lock_acquire "user_find:$login";
1137		1044
1138	$cf::PLAYER{$_[0]} || do {	1045	$cf::PLAYER{$_[0]} || do {
		1046	# rename old playerfiles to new ones
		1047	#TODO: remove when no longer required
		1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1051	aio_unlink +(playerdir $login) . "/$login.pl";
		1052
1139	my $pl = load_pl path $login	1053	my $pl = load_pl path $login
1140	or return;	1054	or return;
1141	$cf::PLAYER{$login} = $pl	1055	$cf::PLAYER{$login} = $pl
1142	}	1056	}
1143	}	1057	}
…		…
1180		1094
1181	=cut	1095	=cut
1182		1096
1183	sub quit_character {	1097	sub quit_character {
1184	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	my $name = $pl->ob->name;
1185		1101
1186	$pl->{deny_save} = 1;	1102	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1103	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1104
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1110	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1111	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1112	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1113	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1114	$pl->destroy;
		1115
		1116	my $prefix = qr<^~\Q$name\E/>;
		1117
		1118	# nuke player maps
		1119	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1120
1199	IO::AIO::aio_rmtree $temp;	1121	IO::AIO::aio_rmtree $temp;
		1122	}
		1123
		1124	=item $pl->kick
		1125
		1126	Kicks a player out of the game. This destroys the connection.
		1127
		1128	=cut
		1129
		1130	sub kick {
		1131	my ($pl, $kicker) = @_;
		1132
		1133	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1134	$pl->killer ("kicked");
		1135	$pl->ns->destroy;
1200	}	1136	}
1201		1137
1202	=item cf::player::list_logins	1138	=item cf::player::list_logins
1203		1139
1204	Returns am arrayref of all valid playernames in the system, can take a	1140	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1141	while and may block, so not sync_job-capable, ever.
1206		1142
1207	=cut	1143	=cut
1208		1144
1209	sub list_logins {	1145	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1146	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1147	or return [];
1212		1148
1213	my @logins;	1149	my @logins;
1214		1150
1215	for my $login (@$dirs) {	1151	for my $login (@$dirs) {
…		…
1224	\@logins	1160	\@logins
1225	}	1161	}
1226		1162
1227	=item $player->maps	1163	=item $player->maps
1228		1164
1229	Returns an arrayref of cf::path's of all maps that are private for this	1165	Returns an arrayref of map paths that are private for this
1230	player. May block.	1166	player. May block.
1231		1167
1232	=cut	1168	=cut
1233		1169
1234	sub maps($) {	1170	sub maps($) {
1235	my ($pl) = @_;	1171	my ($pl) = @_;
		1172
		1173	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1174
1237	my $files = aio_readdir playerdir $pl	1175	my $files = aio_readdir playerdir $pl
1238	or return;	1176	or return;
1239		1177
1240	my @paths;	1178	my @paths;
1241		1179
1242	for (@$files) {	1180	for (@$files) {
1243	utf8::decode $_;	1181	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1182	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1183	next unless /^$PATH_SEP/o;
1246		1184
1247	s/$PATH_SEP/\//g;	1185	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1186	}
1250		1187
1251	\@paths	1188	\@paths
1252	}	1189	}
1253		1190
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1191	=item $player->ext_reply ($msgid, %msg)
1255		1192
1256	Sends an ext reply to the player.	1193	Sends an ext reply to the player.
1257		1194
1258	=cut	1195	=cut
1259		1196
1260	sub ext_reply($$$%) {	1197	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1198	my ($self, $id, %msg) = @_;
1262		1199
1263	$msg{msgid} = $id;	1200	$msg{msgid} = $id;
1264		1201
1265	$self->send ("ext " . cf::to_json \%msg);	1202	$self->send ("ext " . cf::to_json \%msg);
1266	}	1203	}
1267		1204
1268	package cf;	1205	=item $player->ext_event ($type, %msg)
		1206
		1207	Sends an ext event to the client.
		1208
		1209	=cut
		1210
		1211	sub ext_event($$%) {
		1212	my ($self, $type, %msg) = @_;
		1213
		1214	$self->ns->ext_event ($type, %msg);
		1215	}
		1216
		1217	=head3 cf::region
		1218
		1219	=over 4
		1220
		1221	=cut
		1222
		1223	package cf::region;
		1224
		1225	=item cf::region::find_by_path $path
		1226
		1227	Tries to decuce the probable region for a map knowing only its path.
		1228
		1229	=cut
		1230
		1231	sub find_by_path($) {
		1232	my ($path) = @_;
		1233
		1234	my ($match, $specificity);
		1235
		1236	for my $region (list) {
		1237	if ($region->match && $path =~ $region->match) {
		1238	($match, $specificity) = ($region, $region->specificity)
		1239	if $region->specificity > $specificity;
		1240	}
		1241	}
		1242
		1243	$match
		1244	}
1269		1245
1270	=back	1246	=back
1271
1272		1247
1273	=head3 cf::map	1248	=head3 cf::map
1274		1249
1275	=over 4	1250	=over 4
1276		1251
…		…
1279	package cf::map;	1254	package cf::map;
1280		1255
1281	use Fcntl;	1256	use Fcntl;
1282	use Coro::AIO;	1257	use Coro::AIO;
1283		1258
		1259	use overload
		1260	'""' => \&as_string,
		1261	fallback => 1;
		1262
1284	our $MAX_RESET = 3600;	1263	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1264	our $DEFAULT_RESET = 3000;
1286		1265
1287	sub generate_random_map {	1266	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1267	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1268	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1269	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1273	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1274	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1280	(cf::region::find $rmp->{region}), $rmp->{custom}
		1281	)
		1282	}
		1283
		1284	=item cf::map->register ($regex, $prio)
		1285
		1286	Register a handler for the map path matching the given regex at the
		1287	givne priority (higher is better, built-in handlers have priority 0, the
		1288	default).
		1289
		1290	=cut
		1291
		1292	sub register {
		1293	my (undef, $regex, $prio) = @_;
		1294	my $pkg = caller;
		1295
		1296	no strict;
		1297	push @{"$pkg\::ISA"}, __PACKAGE__;
		1298
		1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1300	}
		1301
		1302	# also paths starting with '/'
		1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1304
		1305	sub thawer_merge {
		1306	my ($self, $merge) = @_;
		1307
		1308	# we have to keep some variables in memory intact
		1309	local $self->{path};
		1310	local $self->{load_path};
		1311	local $self->{deny_save};
		1312	local $self->{deny_reset};
		1313
		1314	$self->SUPER::thawer_merge ($merge);
		1315	}
		1316
		1317	sub normalise {
		1318	my ($path, $base) = @_;
		1319
		1320	$path = "$path"; # make sure its a string
		1321
		1322	$path =~ s/\.map$//;
		1323
		1324	# map plan:
		1325	#
		1326	# /! non-realised random map exit (special hack!)
		1327	# {... are special paths that are not being touched
		1328	# ?xxx/... are special absolute paths
		1329	# ?random/... random maps
		1330	# /... normal maps
		1331	# ~user/... per-player map of a specific user
		1332
		1333	$path =~ s/$PATH_SEP/\//go;
		1334
		1335	# treat it as relative path if it starts with
		1336	# something that looks reasonable
		1337	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1338	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1339
		1340	$base =~ s{[^/]+/?$}{};
		1341	$path = "$base/$path";
		1342	}
		1343
		1344	for ($path) {
		1345	redo if s{//}{/};
		1346	redo if s{/\.?/}{/};
		1347	redo if s{/[^/]+/\.\./}{/};
		1348	}
		1349
		1350	$path
		1351	}
		1352
		1353	sub new_from_path {
		1354	my (undef, $path, $base) = @_;
		1355
		1356	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1357
		1358	$path = normalise $path, $base;
		1359
		1360	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1361	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1362	my $self = bless cf::map::new, $pkg;
		1363	$self->{path} = $path; $self->path ($path);
		1364	$self->init; # pass $1 etc.
		1365	return $self;
		1366	}
		1367	}
		1368
		1369	Carp::carp "unable to resolve path '$path' (base '$base').";
		1370	()
		1371	}
		1372
		1373	sub init {
		1374	my ($self) = @_;
		1375
		1376	$self
		1377	}
		1378
		1379	sub as_string {
		1380	my ($self) = @_;
		1381
		1382	"$self->{path}"
		1383	}
		1384
		1385	# the displayed name, this is a one way mapping
		1386	sub visible_name {
		1387	&as_string
		1388	}
		1389
		1390	# the original (read-only) location
		1391	sub load_path {
		1392	my ($self) = @_;
		1393
		1394	"$MAPDIR/$self->{path}.map"
		1395	}
		1396
		1397	# the temporary/swap location
		1398	sub save_path {
		1399	my ($self) = @_;
		1400
		1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1402	"$TMPDIR/$path.map"
		1403	}
		1404
		1405	# the unique path, undef == no special unique path
		1406	sub uniq_path {
		1407	my ($self) = @_;
		1408
		1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1410	"$UNIQUEDIR/$path"
1304	}	1411	}
1305		1412
1306	# and all this just because we cannot iterate over	1413	# and all this just because we cannot iterate over
1307	# all maps in C++...	1414	# all maps in C++...
1308	sub change_all_map_light {	1415	sub change_all_map_light {
…		…
1310		1417
1311	$_->change_map_light ($change)	1418	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1419	for grep $_->outdoor, values %cf::MAP;
1313	}	1420	}
1314		1421
		1422	sub unlink_save {
		1423	my ($self) = @_;
		1424
		1425	utf8::encode (my $save = $self->save_path);
		1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1427	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1428	}
		1429
1315	sub try_load_header($) {	1430	sub load_header_from($) {
1316	my ($path) = @_;	1431	my ($self, $path) = @_;
1317		1432
1318	utf8::encode $path;	1433	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1434	#aio_open $path, O_RDONLY, 0
		1435	# or return;
		1436
		1437	$self->_load_header ($path)
1320	or return;	1438	or return;
1321		1439
1322	my $map = cf::map::new	1440	$self->{load_path} = $path;
		1441
		1442	1
		1443	}
		1444
		1445	sub load_header_orig {
		1446	my ($self) = @_;
		1447
		1448	$self->load_header_from ($self->load_path)
		1449	}
		1450
		1451	sub load_header_temp {
		1452	my ($self) = @_;
		1453
		1454	$self->load_header_from ($self->save_path)
		1455	}
		1456
		1457	sub prepare_temp {
		1458	my ($self) = @_;
		1459
		1460	$self->last_access ((delete $self->{last_access})
		1461	|| $cf::RUNTIME); #d#
		1462	# safety
		1463	$self->{instantiate_time} = $cf::RUNTIME
		1464	if $self->{instantiate_time} > $cf::RUNTIME;
		1465	}
		1466
		1467	sub prepare_orig {
		1468	my ($self) = @_;
		1469
		1470	$self->{load_original} = 1;
		1471	$self->{instantiate_time} = $cf::RUNTIME;
		1472	$self->last_access ($cf::RUNTIME);
		1473	$self->instantiate;
		1474	}
		1475
		1476	sub load_header {
		1477	my ($self) = @_;
		1478
		1479	if ($self->load_header_temp) {
		1480	$self->prepare_temp;
		1481	} else {
		1482	$self->load_header_orig
1323	or return;	1483	or return;
		1484	$self->prepare_orig;
		1485	}
1324		1486
1325	# for better error messages only, will be overwritten	1487	$self->default_region (cf::region::find_by_path $self->{path})
1326	$map->path ($path);	1488	unless $self->default_region;
1327		1489
1328	$map->load_header ($path)	1490	1
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1491	}
1335		1492
1336	sub find;	1493	sub find;
1337	sub find {	1494	sub find {
1338	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1339		1496
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1497	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1498
1345	cf::lock_wait "map_find:$key";	1499	cf::lock_wait "map_find:$path";
1346		1500
1347	$cf::MAP{$key} || do {	1501	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1502	my $guard = cf::lock_acquire "map_find:$path";
1349		1503	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;	1504	or return;
1369		1505
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;	1506	$map->{last_save} = $cf::RUNTIME;
1382		1507
1383	Coro::cede;	1508	$map->load_header
		1509	or return;
1384		1510
1385	if ($map->should_reset) {	1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1512	# doing this can freeze the server in a sync job, obviously
		1513	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1514	$map->reset;
1387	undef $guard;	1515	undef $guard;
1388	$map = find $path	1516	return find $path;
1389	or return;
1390	}	1517	}
1391		1518
1392	$cf::MAP{$key} = $map	1519	$cf::MAP{$path} = $map
1393	}	1520	}
1394	}	1521	}
		1522
		1523	sub pre_load { }
		1524	sub post_load { }
1395		1525
1396	sub load {	1526	sub load {
1397	my ($self) = @_;	1527	my ($self) = @_;
1398		1528
		1529	local $self->{deny_reset} = 1; # loading can take a long time
		1530
1399	my $path = $self->{path};	1531	my $path = $self->{path};
		1532
		1533	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1534	my $guard = cf::lock_acquire "map_load:$path";
1401		1535
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1536	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1537
1404	$self->in_memory (cf::MAP_LOADING);	1538	$self->in_memory (cf::MAP_LOADING);
1405		1539
1406	$self->alloc;	1540	$self->alloc;
		1541
		1542	$self->pre_load;
		1543	Coro::cede;
		1544
1407	$self->load_objects ($self->{load_path}, 1)	1545	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1546	or return;
1409		1547
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1549	if delete $self->{load_original};
1412		1550
1413	if (my $uniq = $path->uniq_path) {	1551	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1552	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1553	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1554	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1555	$self->_load_objects ($uniq, 0);
1418	}	1556	}
1419	}	1557	}
1420		1558
1421	Coro::cede;	1559	Coro::cede;
1422
1423	# now do the right thing for maps	1560	# now do the right thing for maps
1424	$self->link_multipart_objects;	1561	$self->link_multipart_objects;
1425
1426	if ($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)	1562	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1563	unless $self->difficulty;
		1564	Coro::cede;
		1565
		1566	unless ($self->{deny_activate}) {
		1567	$self->decay_objects;
		1568	$self->fix_auto_apply;
		1569	$self->update_buttons;
		1570	Coro::cede;
		1571	$self->set_darkness_map;
		1572	Coro::cede;
1436	$self->activate;	1573	$self->activate;
1437	}	1574	}
1438		1575
1439	Coro::cede;
1440
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1576	$self->in_memory (cf::MAP_IN_MEMORY);
		1577	}
		1578
		1579	$self->post_load;
		1580	}
		1581
		1582	sub customise_for {
		1583	my ($self, $ob) = @_;
		1584
		1585	return find "~" . $ob->name . "/" . $self->{path}
		1586	if $self->per_player;
		1587
		1588	$self
1442	}	1589	}
1443		1590
1444	# find and load all maps in the 3x3 area around a map	1591	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1592	sub load_diag {
1446	my ($map) = @_;	1593	my ($map) = @_;
…		…
1476		1623
1477	cf::sync_job { $map->load };	1624	cf::sync_job { $map->load };
1478	}	1625	}
1479		1626
1480	our %MAP_PREFETCH;	1627	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1628	our $MAP_PREFETCHER = undef;
1482	while () {
1483	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH
1485	or next;
1486	my $path = delete $MAP_PREFETCH{$key};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1629
1496	sub find_async {	1630	sub find_async {
1497	my ($path, $origin) = @_;	1631	my ($path, $origin) = @_;
1498		1632
1499	$path = new cf::path $path, $origin && $origin->path;	1633	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1634
1502	if (my $map = $cf::MAP{$key}) {	1635	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1637	}
1505		1638
1506	$MAP_PREFETCH{$key} = $path;	1639	undef $MAP_PREFETCH{$path};
		1640	$MAP_PREFETCHER ||= cf::async {
		1641	while (%MAP_PREFETCH) {
		1642	for my $path (keys %MAP_PREFETCH) {
		1643	my $map = find $path
		1644	or next;
		1645	$map->load;
		1646
		1647	delete $MAP_PREFETCH{$path};
		1648	}
		1649	}
		1650	undef $MAP_PREFETCHER;
		1651	};
1507	$MAP_PREFETCHER->ready;	1652	$MAP_PREFETCHER->prio (6);
1508		1653
1509	()	1654	()
1510	}	1655	}
1511		1656
1512	sub save {	1657	sub save {
…		…
1516		1661
1517	$self->{last_save} = $cf::RUNTIME;	1662	$self->{last_save} = $cf::RUNTIME;
1518		1663
1519	return unless $self->dirty;	1664	return unless $self->dirty;
1520		1665
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1666	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1667	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1668
1524	$self->{load_path} = $save;	1669	$self->{load_path} = $save;
1525		1670
1526	return if $self->{deny_save};	1671	return if $self->{deny_save};
1527		1672
…		…
1530	cf::async {	1675	cf::async {
1531	$_->contr->save for $self->players;	1676	$_->contr->save for $self->players;
1532	};	1677	};
1533		1678
1534	if ($uniq) {	1679	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1682	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1684	}
1540	}	1685	}
1541		1686
1542	sub swap_out {	1687	sub swap_out {
1543	my ($self) = @_;	1688	my ($self) = @_;
…		…
1557		1702
1558	sub reset_at {	1703	sub reset_at {
1559	my ($self) = @_;	1704	my ($self) = @_;
1560		1705
1561	# TODO: safety, remove and allow resettable per-player maps	1706	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};	1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1708	return 1e99 if $self->{deny_reset};
1564		1709
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1712
…		…
1572	my ($self) = @_;	1717	my ($self) = @_;
1573		1718
1574	$self->reset_at <= $cf::RUNTIME	1719	$self->reset_at <= $cf::RUNTIME
1575	}	1720	}
1576		1721
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	1722	sub reset {
1599	my ($self) = @_;	1723	my ($self) = @_;
1600		1724
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1725	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1726
1603	return if $self->players;	1727	return if $self->players;
1604	return if $self->{path}{user_rel};#d#	1728	return if $self->isa ("ext::map_per_player");#d#
1605		1729
1606	warn "resetting map ", $self->path;#d#	1730	warn "resetting map ", $self->path;#d#
1607		1731
		1732	$self->in_memory (cf::MAP_SWAPPED);
		1733
		1734	# need to save uniques path
		1735	unless ($self->{deny_save}) {
		1736	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1737
		1738	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1739	if $uniq;
		1740	}
		1741
1608	delete $cf::MAP{$self->path};	1742	delete $cf::MAP{$self->path};
		1743
		1744	$self->clear;
1609		1745
1610	$_->clear_links_to ($self) for values %cf::MAP;	1746	$_->clear_links_to ($self) for values %cf::MAP;
1611		1747
1612	$self->unlink_save;	1748	$self->unlink_save;
1613	$self->destroy;	1749	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	1752	my $nuke_counter = "aaaa";
1617		1753
1618	sub nuke {	1754	sub nuke {
1619	my ($self) = @_;	1755	my ($self) = @_;
1620		1756
		1757	delete $cf::MAP{$self->path};
		1758
		1759	$self->unlink_save;
		1760
		1761	bless $self, "cf::map";
		1762	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	1763	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	1764	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1766
		1767	$cf::MAP{$self->path} = $self;
		1768
1624	$self->reset; # polite request, might not happen	1769	$self->reset; # polite request, might not happen
1625	}	1770	}
1626		1771
1627	sub customise_for {	1772	=item cf::map::unique_maps
1628	my ($map, $ob) = @_;
1629		1773
1630	if ($map->per_player) {	1774	Returns an arrayref of paths of all shared maps that have
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1775	instantiated unique items. May block.
1632	}
1633		1776
1634	$map	1777	=cut
		1778
		1779	sub unique_maps() {
		1780	my $files = aio_readdir $UNIQUEDIR
		1781	or return;
		1782
		1783	my @paths;
		1784
		1785	for (@$files) {
		1786	utf8::decode $_;
		1787	next if /\.pst$/;
		1788	next unless /^$PATH_SEP/o;
		1789
		1790	push @paths, cf::map::normalise $_;
		1791	}
		1792
		1793	\@paths
1635	}	1794	}
1636		1795
1637	package cf;	1796	package cf;
1638		1797
1639	=back	1798	=back
…		…
1711		1870
1712	=item $player_object->enter_link	1871	=item $player_object->enter_link
1713		1872
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1873	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1874
1716	The player should be reaosnably safe there for short amounts of time. You	1875	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	1876	I<MUST> call C<leave_link> as soon as possible, though.
1718		1877
		1878	Will never block.
		1879
1719	=item $player_object->leave_link ($map, $x, $y)	1880	=item $player_object->leave_link ($map, $x, $y)
1720		1881
1721	Moves the player out of the specila link map onto the given map. If the	1882	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1883	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1884	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1885	fails, to the emergency map position.
1725		1886
1726	Might block.	1887	Might block.
1727		1888
1728	=cut	1889	=cut
		1890
		1891	sub link_map {
		1892	unless ($LINK_MAP) {
		1893	$LINK_MAP = cf::map::find "{link}"
		1894	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1895	$LINK_MAP->load;
		1896	}
		1897
		1898	$LINK_MAP
		1899	}
1729		1900
1730	sub cf::object::player::enter_link {	1901	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1902	my ($self) = @_;
1732		1903
1733	$self->deactivate_recursive;	1904	$self->deactivate_recursive;
1734		1905
1735	return if $self->map == $LINK_MAP;	1906	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1907
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1909	if $self->map;
1739		1910
1740	$self->enter_map ($LINK_MAP, 20, 20);	1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1912	}
1742		1913
1743	sub cf::object::player::leave_link {	1914	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1915	my ($self, $map, $x, $y) = @_;
1745		1916
…		…
1767	$map->load;	1938	$map->load;
1768	$map->load_diag;	1939	$map->load_diag;
1769		1940
1770	return unless $self->contr->active;	1941	return unless $self->contr->active;
1771	$self->activate_recursive;	1942	$self->activate_recursive;
		1943
		1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1945	$self->enter_map ($map, $x, $y);
1773	}	1946	}
1774		1947
1775	cf::player->attach (	1948	cf::player->attach (
1776	on_logout => sub {	1949	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1962	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1963	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1964	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1965	$pl->ob->enter_link;
1793	(async {	1966	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,	1967	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1968	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1969	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1970	cf::NDI_RED);
		1971	# we need this sleep as the login has a concurrent enter_exit running
		1972	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1973	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1974	$pl->ob->leave_link;
1802	})->prio (2);	1975	})->prio (2);
1803	}	1976	}
1804	},	1977	},
…		…
1809	=cut	1982	=cut
1810		1983
1811	sub cf::object::player::goto {	1984	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1985	my ($self, $path, $x, $y) = @_;
1813		1986
1814	$path = new cf::path $path;
1815	$path ne "/" or Carp::cluck ("oy");#d#
1816
1817	$self->enter_link;	1987	$self->enter_link;
1818		1988
1819	(async {	1989	(async {
		1990	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	1991	my $map = cf::map::find $path;
1821	$map = $map->customise_for ($self) if $map;	1992	$map = $map->customise_for ($self) if $map;
1822		1993	$map
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	1994	} or
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1827		1996
1828	$self->leave_link ($map, $x, $y);	1997	$self->leave_link ($map, $x, $y);
1829	})->prio (1);	1998	})->prio (1);
1830	}	1999	}
1831		2000
…		…
1835		2004
1836	sub parse_random_map_params {	2005	sub parse_random_map_params {
1837	my ($spec) = @_;	2006	my ($spec) = @_;
1838		2007
1839	my $rmp = { # defaults	2008	my $rmp = { # defaults
1840	xsize => 10,	2009	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2010	ysize => (cf::rndm 15, 40),
		2011	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2012	#layout => string,
1842	};	2013	};
1843		2014
1844	for (split /\n/, $spec) {	2015	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2016	my ($k, $v) = split /\s+/, $_, 2;
1846		2017
…		…
1850	$rmp	2021	$rmp
1851	}	2022	}
1852		2023
1853	sub prepare_random_map {	2024	sub prepare_random_map {
1854	my ($exit) = @_;	2025	my ($exit) = @_;
		2026
		2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		2028
1856	# all this does is basically replace the /! path by	2029	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	2030	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	2031	# that depends on the exit object
1859		2032
1860	my $rmp = parse_random_map_params $exit->msg;	2033	my $rmp = parse_random_map_params $exit->msg;
1861		2034
1862	if ($exit->map) {	2035	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2036	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2037	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2038	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2039	$rmp->{origin_y} = $exit->y;
1867	}	2040	}
1868		2041
1869	$rmp->{random_seed} ||= $exit->random_seed;	2042	$rmp->{random_seed} ||= $exit->random_seed;
1870		2043
1871	my $data = cf::to_json $rmp;	2044	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	2045	my $md5 = Digest::MD5::md5_hex $data;
		2046	my $meta = "$RANDOMDIR/$md5.meta";
1873		2047
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2049	aio_write $fh, 0, (length $data), $data, 0;
		2050	undef $fh;
		2051	aio_rename "$meta~", $meta;
1876		2052
1877	$exit->slaying ("?random/$md5");	2053	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2054	$exit->msg (undef);
1879	}	2055	}
1880	}	2056	}
1881		2057
1882	sub cf::object::player::enter_exit {	2058	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2059	my ($self, $exit) = @_;
1884		2060
1885	return unless $self->type == cf::PLAYER;	2061	return unless $self->type == cf::PLAYER;
		2062
		2063	if ($exit->slaying eq "/!") {
		2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2065	# the problem is that $exit might not survive long enough
		2066	# so it needs to be done right now, right here
		2067	cf::sync_job { prepare_random_map $exit };
		2068	}
		2069
		2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2071	my $hp = $exit->stats->hp;
		2072	my $sp = $exit->stats->sp;
1886		2073
1887	$self->enter_link;	2074	$self->enter_link;
1888		2075
1889	(async {	2076	(async {
1890	$self->deactivate_recursive; # just to be sure	2077	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2078	unless (eval {
1892	prepare_random_map $exit	2079	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2080
1898	1;	2081	1;
1899	}) {	2082	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2083	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2084	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2085	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2086	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2087
1905	warn "ERROR in enter_exit: $@";	2088	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2089	$self->leave_link;
1907	}	2090	}
1908	})->prio (1);	2091	})->prio (1);
…		…
1921		2104
1922	sub cf::client::send_drawinfo {	2105	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2106	my ($self, $text, $flags) = @_;
1924		2107
1925	utf8::encode $text;	2108	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2110	}
1928		2111
		2112	=item $client->ext_event ($type, %msg)
		2113
		2114	Sends an exti event to the client.
		2115
		2116	=cut
		2117
		2118	sub cf::client::ext_event($$%) {
		2119	my ($self, $type, %msg) = @_;
		2120
		2121	$msg{msgtype} = "event_$type";
		2122	$self->send_packet ("ext " . cf::to_json \%msg);
		2123	}
1929		2124
1930	=item $success = $client->query ($flags, "text", \&cb)	2125	=item $success = $client->query ($flags, "text", \&cb)
1931		2126
1932	Queues a query to the client, calling the given callback with	2127	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1962	# get handled first	2157	# get handled first
1963	my $queue = delete $ns->{query_queue}	2158	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2159	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2160
1966	(shift @$queue)->[1]->($msg);	2161	(shift @$queue)->[1]->($msg);
		2162	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2163
1968	push @{ $ns->{query_queue} }, @$queue;	2164	push @{ $ns->{query_queue} }, @$queue;
1969		2165
1970	if (@{ $ns->{query_queue} } == @$queue) {	2166	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2167	if (@$queue) {
…		…
2029		2225
2030	# here we export the classes and methods available to script code	2226	# here we export the classes and methods available to script code
2031		2227
2032	=pod	2228	=pod
2033		2229
2034	The following fucntions and emthods are available within a safe environment:	2230	The following functions and methods are available within a safe environment:
2035		2231
2036	cf::object contr pay_amount pay_player map	2232	cf::object contr pay_amount pay_player map
2037	cf::object::player player	2233	cf::object::player player
2038	cf::player peaceful	2234	cf::player peaceful
2039	cf::map trigger	2235	cf::map trigger
…		…
2124	#############################################################################	2320	#############################################################################
2125		2321
2126	=head2 EXTENSION DATABASE SUPPORT	2322	=head2 EXTENSION DATABASE SUPPORT
2127		2323
2128	Crossfire maintains a very simple database for extension use. It can	2324	Crossfire maintains a very simple database for extension use. It can
2129	currently store anything that can be serialised using Storable, which	2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2130	excludes objects.	2326	convert to/from binary).
2131		2327
2132	The parameter C<$family> should best start with the name of the extension	2328	The parameter C<$family> should best start with the name of the extension
2133	using it, it should be unique.	2329	using it, it should be unique.
2134		2330
2135	=over 4	2331	=over 4
2136		2332
2137	=item $hashref = cf::db_get $family
2138
2139	Return a hashref for use by the extension C<$family>, which can be
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142
2143	=item $value = cf::db_get $family => $key	2333	=item $value = cf::db_get $family => $key
2144		2334
2145	Returns a single value from the database	2335	Returns a single value from the database.
2146
2147	=item cf::db_put $family => $hashref
2148
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151		2336
2152	=item cf::db_put $family => $key => $value	2337	=item cf::db_put $family => $key => $value
2153		2338
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you	2339	Stores the given C<$value> in the family.
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164		2340
2165	=cut	2341	=cut
2166		2342
2167	our $DB;	2343	our $DB;
2168		2344
2169	{	2345	sub db_init {
2170	my $path = cf::localdir . "/database.pst";	2346	unless ($DB) {
		2347	$DB = BDB::db_create $DB_ENV;
2171		2348
2172	sub db_load() {	2349	cf::sync_job {
2173	$DB = stat $path ? Storable::retrieve $path : { };	2350	eval {
2174	}	2351	$DB->set_flags (BDB::CHKSUM);
2175		2352
2176	my $pid;	2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2177		2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2178	sub db_save() {	2355	cf::cleanup "db_open(db): $!" if $!;
2179	waitpid $pid, 0 if $pid;	2356	};
2180	if (0 == ($pid = fork)) {	2357	cf::cleanup "db_open(db): $@" if $@;
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}	2358	};
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	2359	}
		2360	}
2198		2361
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {	2362	sub db_get($$) {
2205	@_ >= 2	2363	my $key = "$_[0]/$_[1]";
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		2364
		2365	cf::sync_job {
		2366	BDB::db_get $DB, undef, $key, my $data;
		2367
		2368	$! ? ()
		2369	: $data
		2370	}
		2371	}
		2372
2210	sub db_put($$;$) {	2373	sub db_put($$$) {
2211	if (@_ >= 3) {	2374	BDB::dbreq_pri 4;
2212	$DB->{$_[0]}{$_[1]} = $_[2];	2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2213	} else {	2376	}
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		2377
2219	cf::global->attach (	2378	=item cf::cache $id => [$paths...], $processversion => $process
2220	prio => 10000,	2379
2221	on_cleanup => sub {	2380	Generic caching function that returns the value of the resource $id,
2222	db_sync;	2381	caching and regenerating as required.
		2382
		2383	This function can block.
		2384
		2385	=cut
		2386
		2387	sub cache {
		2388	my ($id, $src, $processversion, $process) = @_;
		2389
		2390	my $meta =
		2391	join "\x00",
		2392	$processversion,
		2393	map {
		2394	aio_stat $_
		2395	and Carp::croak "$_: $!";
		2396
		2397	($_, (stat _)[7,9])
		2398	} @$src;
		2399
		2400	my $dbmeta = db_get cache => "$id/meta";
		2401	if ($dbmeta ne $meta) {
		2402	# changed, we may need to process
		2403
		2404	my @data;
		2405	my $md5;
		2406
		2407	for (0 .. $#$src) {
		2408	0 <= aio_load $src->[$_], $data[$_]
		2409	or Carp::croak "$src->[$_]: $!";
2223	},	2410	}
2224	);	2411
		2412	# if processing is expensive, check
		2413	# checksum first
		2414	if (1) {
		2415	$md5 =
		2416	join "\x00",
		2417	$processversion,
		2418	map {
		2419	Coro::cede;
		2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2421	} 0.. $#$src;
		2422
		2423
		2424	my $dbmd5 = db_get cache => "$id/md5";
		2425	if ($dbmd5 eq $md5) {
		2426	db_put cache => "$id/meta", $meta;
		2427
		2428	return db_get cache => "$id/data";
		2429	}
		2430	}
		2431
		2432	my $t1 = Time::HiRes::time;
		2433	my $data = $process->(\@data);
		2434	my $t2 = Time::HiRes::time;
		2435
		2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2437
		2438	db_put cache => "$id/data", $data;
		2439	db_put cache => "$id/md5" , $md5;
		2440	db_put cache => "$id/meta", $meta;
		2441
		2442	return $data;
		2443	}
		2444
		2445	db_get cache => "$id/data"
2225	}	2446	}
		2447
		2448	=item fork_call { }, $args
		2449
		2450	Executes the given code block with the given arguments in a seperate
		2451	process, returning the results. Everything must be serialisable with
		2452	Coro::Storable. May, of course, block. Note that the executed sub may
		2453	never block itself or use any form of Event handling.
		2454
		2455	=cut
		2456
		2457	sub fork_call(&@) {
		2458	my ($cb, @args) = @_;
		2459
		2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2461	# or die "socketpair: $!";
		2462	pipe my $fh1, my $fh2
		2463	or die "pipe: $!";
		2464
		2465	if (my $pid = fork) {
		2466	close $fh2;
		2467
		2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2469	$res = Coro::Storable::thaw $res;
		2470
		2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2472
		2473	die $$res unless "ARRAY" eq ref $res;
		2474
		2475	return wantarray ? @$res : $res->[-1];
		2476	} else {
		2477	reset_signals;
		2478	local $SIG{__WARN__};
		2479	local $SIG{__DIE__};
		2480	eval {
		2481	close $fh1;
		2482
		2483	my @res = eval { $cb->(@args) };
		2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2485	};
		2486
		2487	warn $@ if $@;
		2488	_exit 0;
		2489	}
		2490	}
		2491
		2492
2226		2493
2227	#############################################################################	2494	#############################################################################
2228	# the server's main()	2495	# the server's init and main functions
		2496
		2497	sub load_facedata($) {
		2498	my ($path) = @_;
		2499
		2500	warn "loading facedata from $path\n";
		2501
		2502	my $facedata;
		2503	0 < aio_load $path, $facedata
		2504	or die "$path: $!";
		2505
		2506	$facedata = Coro::Storable::thaw $facedata;
		2507
		2508	$facedata->{version} == 2
		2509	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2510
		2511	{
		2512	my $faces = $facedata->{faceinfo};
		2513
		2514	while (my ($face, $info) = each %$faces) {
		2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2519	Coro::cede;
		2520	}
		2521
		2522	while (my ($face, $info) = each %$faces) {
		2523	next unless $info->{smooth};
		2524	my $idx = cf::face::find $face
		2525	or next;
		2526	if (my $smooth = cf::face::find $info->{smooth}) {
		2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2528	} else {
		2529	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2530	}
		2531	Coro::cede;
		2532	}
		2533	}
		2534
		2535	{
		2536	my $anims = $facedata->{animinfo};
		2537
		2538	while (my ($anim, $info) = each %$anims) {
		2539	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2540	Coro::cede;
		2541	}
		2542
		2543	cf::anim::invalidate_all; # d'oh
		2544	}
		2545
		2546	1
		2547	}
		2548
		2549	sub reload_regions {
		2550	load_resource_file "$MAPDIR/regions"
		2551	or die "unable to load regions file\n";
		2552	}
		2553
		2554	sub reload_facedata {
		2555	load_facedata "$DATADIR/facedata"
		2556	or die "unable to load facedata\n";
		2557	}
		2558
		2559	sub reload_archetypes {
		2560	load_resource_file "$DATADIR/archetypes"
		2561	or die "unable to load archetypes\n";
		2562	}
		2563
		2564	sub reload_treasures {
		2565	load_resource_file "$DATADIR/treasures"
		2566	or die "unable to load treasurelists\n";
		2567	}
		2568
		2569	sub reload_resources {
		2570	warn "reloading resource files...\n";
		2571
		2572	reload_regions;
		2573	reload_facedata;
		2574	reload_archetypes;
		2575	reload_treasures;
		2576
		2577	warn "finished reloading resource files\n";
		2578	}
		2579
		2580	sub init {
		2581	reload_resources;
		2582	}
2229		2583
2230	sub cfg_load {	2584	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2585	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	2586	or return;
2233		2587
2234	local $/;	2588	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	2589	*CFG = YAML::Syck::Load <$fh>;
2236		2590
…		…
2250		2604
2251	sub main {	2605	sub main {
2252	# we must not ever block the main coroutine	2606	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2607	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2609	(async {
2255	async { Event::one_event };	2610	Event::one_event;
		2611	})->prio (Coro::PRIO_MAX);
2256	};	2612	};
2257		2613
2258	cfg_load;	2614	cfg_load;
2259	db_load;	2615	db_init;
2260	load_extensions;	2616	load_extensions;
		2617
		2618	$TICK_WATCHER->start;
2261	Event::loop;	2619	Event::loop;
2262	}	2620	}
2263		2621
2264	#############################################################################	2622	#############################################################################
2265	# initialisation and cleanup	2623	# initialisation and cleanup
2266		2624
2267	# install some emergency cleanup handlers	2625	# install some emergency cleanup handlers
2268	BEGIN {	2626	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2627	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2628	Event->signal (
		2629	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2630	data => WF_AUTOCANCEL,
2272	signal => $signal,	2631	signal => $signal,
		2632	prio => 0,
2273	cb => sub {	2633	cb => sub {
2274	cf::cleanup "SIG$signal";	2634	cf::cleanup "SIG$signal";
2275	},	2635	},
2276	);	2636	);
2277	}	2637	}
2278	}	2638	}
…		…
2283	warn "enter emergency perl save\n";	2643	warn "enter emergency perl save\n";
2284		2644
2285	cf::sync_job {	2645	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2646	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2647	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2648	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2649	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2650	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2651	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2652	$pl->valid or next;
2293	$pl->save;	2653	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2659	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2660	$map->valid or next;
2301	$map->save;	2661	$map->save;
2302	}	2662	}
2303	warn "end emergency map save\n";	2663	warn "end emergency map save\n";
		2664
		2665	warn "begin emergency database checkpoint\n";
		2666	BDB::db_env_txn_checkpoint $DB_ENV;
		2667	warn "end emergency database checkpoint\n";
2304	};	2668	};
2305		2669
2306	warn "leave emergency perl save\n";	2670	warn "leave emergency perl save\n";
2307	}	2671	}
2308		2672
		2673	sub post_cleanup {
		2674	my ($make_core) = @_;
		2675
		2676	warn Carp::longmess "post_cleanup backtrace"
		2677	if $make_core;
		2678	}
		2679
2309	sub reload() {	2680	sub do_reload_perl() {
2310	# can/must only be called in main	2681	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2682	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2683	warn "can only reload from main coroutine";
2313	return;	2684	return;
2314	}	2685	}
2315		2686
2316	warn "reloading...";	2687	warn "reloading...";
2317		2688
2318	my $guard = freeze_mainloop;	2689	warn "entering sync_job";
		2690
		2691	cf::sync_job {
		2692	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2693	cf::emergency_save;
		2694	cf::write_runtime; # external watchdog should not bark
2320		2695
2321	eval {	2696	warn "syncing database to disk";
		2697	BDB::db_env_txn_checkpoint $DB_ENV;
		2698
2322	# if anything goes wrong in here, we should simply crash as we already saved	2699	# if anything goes wrong in here, we should simply crash as we already saved
2323		2700
2324	# cancel all watchers	2701	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2702	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2704	}
2328		2705
		2706	warn "flushing outstanding aio requests";
		2707	for (;;) {
		2708	BDB::flush;
		2709	IO::AIO::flush;
		2710	Coro::cede;
		2711	last unless IO::AIO::nreqs || BDB::nreqs;
		2712	warn "iterate...";
		2713	}
		2714
		2715	++$RELOAD;
		2716
2329	# cancel all extension coros	2717	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2718	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2719	%EXT_CORO = ();
2332		2720
2333	# unload all extensions	2721	warn "removing commands";
2334	for (@exts) {	2722	%COMMAND = ();
		2723
		2724	warn "removing ext commands";
		2725	%EXTCMD = ();
		2726
		2727	warn "unloading/nuking all extensions";
		2728	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2729	warn "... unloading $pkg";
2336	unload_extension $_;	2730
		2731	if (my $cb = $pkg->can ("unload")) {
		2732	eval {
		2733	$cb->($pkg);
		2734	1
		2735	} or warn "$pkg unloaded, but with errors: $@";
2337	}	2736	}
2338		2737
		2738	warn "... nuking $pkg";
		2739	Symbol::delete_package $pkg;
		2740	}
		2741
2339	# unload all modules loaded from $LIBDIR	2742	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2743	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2745
2343	warn "removing <$k>";	2746	warn "... unloading $k";
2344	delete $INC{$k};	2747	delete $INC{$k};
2345		2748
2346	$k =~ s/\.pm$//;	2749	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2750	$k =~ s/\//::/g;
2348		2751
…		…
2351	}	2754	}
2352		2755
2353	Symbol::delete_package $k;	2756	Symbol::delete_package $k;
2354	}	2757	}
2355		2758
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	2759	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2760	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		2762
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	2763	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	2764	delete $INC{"cf.pm"};
		2765	delete $INC{"cf/pod.pm"};
2369		2766
2370	# don't, removes xs symbols, too,	2767	# don't, removes xs symbols, too,
2371	# and global variables created in xs	2768	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	2769	#Symbol::delete_package __PACKAGE__;
2373		2770
2374	# reload cf.pm	2771	warn "unload completed, starting to reload now";
		2772
2375	warn "reloading cf.pm";	2773	warn "reloading cf.pm";
2376	require cf;	2774	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		2776
2379	# load config and database again	2777	warn "loading config and database again";
2380	cf::cfg_load;	2778	cf::cfg_load;
2381	cf::db_load;
2382		2779
2383	# load extensions
2384	warn "load extensions";	2780	warn "loading extensions";
2385	cf::load_extensions;	2781	cf::load_extensions;
2386		2782
2387	# reattach attachments to objects	2783	warn "reattaching attachments to objects/players";
2388	warn "reattach";	2784	_global_reattach; # objects, sockets
2389	_global_reattach;	2785	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	2786	reattach $_ for values %MAP;
2391	};	2787	warn "reattaching attachments to players";
		2788	reattach $_ for values %PLAYER;
2392		2789
2393	if ($@) {	2790	warn "leaving sync_job";
		2791
		2792	1
		2793	} or do {
2394	warn $@;	2794	warn $@;
2395	warn "error while reloading, exiting.";	2795	warn "error while reloading, exiting.";
2396	exit 1;	2796	exit 1;
2397	}	2797	};
2398		2798
2399	warn "reloaded successfully";	2799	warn "reloaded";
2400	};	2800	};
2401		2801
2402	#############################################################################	2802	our $RELOAD_WATCHER; # used only during reload
2403		2803
2404	unless ($LINK_MAP) {	2804	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	2805	# doing reload synchronously and two reloads happen back-to-back,
		2806	# coro crashes during coro_state_free->destroy here.
2406		2807
2407	$LINK_MAP->width (41);	2808	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	2809	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	2810	after => 0,
		2811	data => WF_AUTOCANCEL,
2417	cb => sub {	2812	cb => sub {
2418	$_[0]->w->cancel;	2813	do_reload_perl;
2419		2814	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	2815	},
2438		2816	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	2817	}
2444
2445	register "<global>", __PACKAGE__;
2446		2818
2447	register_command "reload" => sub {	2819	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	2820	my ($who, $arg) = @_;
2449		2821
2450	if ($who->flag (FLAG_WIZ)) {	2822	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	2823	$who->message ("reloading server.");
		2824	async { reload_perl };
2454	}	2825	}
2455	};	2826	};
2456		2827
2457	unshift @INC, $LIBDIR;	2828	unshift @INC, $LIBDIR;
		2829
		2830	my $bug_warning = 0;
		2831
		2832	our @WAIT_FOR_TICK;
		2833	our @WAIT_FOR_TICK_BEGIN;
		2834
		2835	sub wait_for_tick {
		2836	return unless $TICK_WATCHER->is_active;
		2837	return if $Coro::current == $Coro::main;
		2838
		2839	my $signal = new Coro::Signal;
		2840	push @WAIT_FOR_TICK, $signal;
		2841	$signal->wait;
		2842	}
		2843
		2844	sub wait_for_tick_begin {
		2845	return unless $TICK_WATCHER->is_active;
		2846	return if $Coro::current == $Coro::main;
		2847
		2848	my $signal = new Coro::Signal;
		2849	push @WAIT_FOR_TICK_BEGIN, $signal;
		2850	$signal->wait;
		2851	}
2458		2852
2459	$TICK_WATCHER = Event->timer (	2853	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	2854	reentrant => 0,
		2855	parked => 1,
2461	prio => 0,	2856	prio => 0,
2462	at => $NEXT_TICK || $TICK,	2857	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	2858	data => WF_AUTOCANCEL,
2464	cb => sub {	2859	cb => sub {
		2860	if ($Coro::current != $Coro::main) {
		2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2862	unless ++$bug_warning > 10;
		2863	return;
		2864	}
		2865
		2866	$NOW = $tick_start = Event::time;
		2867
2465	cf::server_tick; # one server iteration	2868	cf::server_tick; # one server iteration
		2869
2466	$RUNTIME += $TICK;	2870	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	2871	$NEXT_TICK += $TICK;
2468		2872
2469	$WAIT_FOR_TICK->broadcast;	2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2874	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2875	Coro::async_pool {
		2876	write_runtime
		2877	or warn "ERROR: unable to write runtime file: $!";
		2878	};
		2879	}
		2880
		2881	# my $AFTER = Event::time;
		2882	# warn $AFTER - $NOW;#d#
		2883
		2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2885	$sig->send;
		2886	}
		2887	while (my $sig = shift @WAIT_FOR_TICK) {
		2888	$sig->send;
		2889	}
		2890
		2891	$NOW = Event::time;
2471		2892
2472	# if we are delayed by four ticks or more, skip them all	2893	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474		2895
2475	$TICK_WATCHER->at ($NEXT_TICK);	2896	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	2897	$TICK_WATCHER->start;
		2898
		2899	$LOAD = ($NOW - $tick_start) / $TICK;
		2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2901
		2902	_post_tick;
		2903
		2904
2477	},	2905	},
2478	);	2906	);
2479		2907
		2908	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	2909	BDB::max_poll_time $TICK * 0.1;
2481		2910	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	2911	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	2912	fd => BDB::poll_fileno,
2484	poll => 'r',	2913	poll => 'r',
2485	prio => 5,	2914	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	2915	data => WF_AUTOCANCEL,
2492	after => 0,	2916	cb => \&BDB::poll_cb,
2493	interval => 10,	2917	);
2494	cb => sub {	2918	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	2919
2496	write_runtime	2920	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	2921	my $status;
		2922	my $current = $Coro::current;
		2923	(
		2924	sub {
		2925	$status = $!;
		2926	$current->ready; undef $current;
		2927	},
		2928	sub {
		2929	Coro::schedule while defined $current;
		2930	$! = $status;
		2931	},
		2932	)
		2933	};
		2934
		2935	unless ($DB_ENV) {
		2936	$DB_ENV = BDB::db_env_create;
		2937
		2938	cf::sync_job {
		2939	eval {
		2940	BDB::db_env_open
		2941	$DB_ENV,
		2942	$BDBDIR,
		2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2945	0666;
		2946
		2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2948
		2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2950	$DB_ENV->set_lk_detect;
		2951	};
		2952
		2953	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	2954	};
2499	},	2955	}
2500	);	2956	}
		2957
		2958	{
		2959	IO::AIO::min_parallel 8;
		2960
		2961	undef $Coro::AIO::WATCHER;
		2962	IO::AIO::max_poll_time $TICK * 0.1;
		2963	$AIO_POLL_WATCHER = Event->io (
		2964	reentrant => 0,
		2965	data => WF_AUTOCANCEL,
		2966	fd => IO::AIO::poll_fileno,
		2967	poll => 'r',
		2968	prio => 6,
		2969	cb => \&IO::AIO::poll_cb,
		2970	);
		2971	}
		2972
		2973	my $_log_backtrace;
		2974
		2975	sub _log_backtrace {
		2976	my ($msg, @addr) = @_;
		2977
		2978	$msg =~ s/\n//;
		2979
		2980	# limit the # of concurrent backtraces
		2981	if ($_log_backtrace < 2) {
		2982	++$_log_backtrace;
		2983	async {
		2984	my @bt = fork_call {
		2985	@addr = map { sprintf "%x", $_ } @addr;
		2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2988	or die "addr2line: $!";
		2989
		2990	my @funcs;
		2991	my @res = <$fh>;
		2992	chomp for @res;
		2993	while (@res) {
		2994	my ($func, $line) = splice @res, 0, 2, ();
		2995	push @funcs, "[$func] $line";
		2996	}
		2997
		2998	@funcs
		2999	};
		3000
		3001	LOG llevInfo, "[ABT] $msg\n";
		3002	LOG llevInfo, "[ABT] $_\n" for @bt;
		3003	--$_log_backtrace;
		3004	};
		3005	} else {
		3006	LOG llevInfo, "[ABT] $msg\n";
		3007	LOG llevInfo, "[ABT] [suppressed]\n";
		3008	}
		3009	}
		3010
		3011	# load additional modules
		3012	use cf::pod;
2501		3013
2502	END { cf::emergency_save }	3014	END { cf::emergency_save }
2503		3015
2504	1	3016	1
2505		3017

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