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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.257 by root, Sat Apr 21 17:34:24 2007 UTC vs.
Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC

…		…
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
24		24
		25	use JSON::XS 1.4 ();
25	use BDB ();	26	use BDB ();
26	use Data::Dumper;	27	use Data::Dumper;
27	use Digest::MD5;	28	use Digest::MD5;
28	use Fcntl;	29	use Fcntl;
29	use YAML::Syck ();	30	use YAML::Syck ();
30	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
31	use Time::HiRes;	32	use Time::HiRes;
32	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
33		35
34	# configure various modules to our taste	36	# configure various modules to our taste
35	#	37	#
36	$Storable::canonical = 1; # reduce rsync transfers	38	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
90	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
91		94
92	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
95	binmode STDOUT;	102	binmode STDOUT;
96	binmode STDERR;	103	binmode STDERR;
97		104
98	# read virtual server time, if available	105	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
…		…
139		146
140	=item $cf::TICK	147	=item $cf::TICK
141		148
142	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
143		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
		160
144	=item %cf::CFG	161	=item %cf::CFG
145		162
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	164	from wherever your confdir points to.
148		165
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		167
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	169	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
154		177
155	=back	178	=back
156		179
157	=cut	180	=cut
158		181
…		…
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		203
180	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	205	# within the Safe compartment.
182	for my $pkg (qw(	206	for my $pkg (qw(
183	cf::global cf::attachable	207	cf::global cf::attachable
…		…
191	}	215	}
192		216
193	$Event::DIED = sub {	217	$Event::DIED = sub {
194	warn "error in event callback: @_";	218	warn "error in event callback: @_";
195	};	219	};
		220
		221	#############################################################################
196		222
197	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
198		224
199	=over 4	225	=over 4
200		226
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	246	$d
221	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
222	}	248	}
223		249
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
227		251
228	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
229		253
230	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
231		255
232	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
		257
		258	=cut
		259
		260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		261
		262	sub to_json ($) { $json_coder->encode ($_[0]) }
		263	sub from_json ($) { $json_coder->decode ($_[0]) }
233		264
234	=item cf::lock_wait $string	265	=item cf::lock_wait $string
235		266
236	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
237		268
…		…
291	};	322	};
292	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
293	$guard	324	$guard
294	}	325	}
295		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
		381	}
		382
296	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
297		384
298	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	386	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	387	thing you are allowed to do is call C<prio> on it.
…		…
303		390
304	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
305		392
306	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
307		394
308	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
311		399
312	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
315	fast or be very important.	403	fast or be very important.
…		…
318		406
319	sub sync_job(&) {	407	sub sync_job(&) {
320	my ($job) = @_;	408	my ($job) = @_;
321		409
322	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
323	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
325		415
326	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
338		428
339	while ($busy) {	429	while ($busy) {
340	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
341	}	431	}
342		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
343	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
344	} else {	441	} else {
345	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
346		443
347	$job->()	444	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
367		464
368	$coro	465	$coro
369	}	466	}
370		467
371	sub write_runtime {	468	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		469
374	my $runtime = "$LOCALDIR/runtime";	470	Executes the given code block with the given arguments in a seperate
		471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
375		474
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
377	or return;
378		476
379	my $value = $cf::RUNTIME + 90 + 10;	477	sub _store_scalar {
380	# 10 is the runtime save interval, for a monotonic clock	478	open my $fh, ">", \my $buf
381	# 60 allows for the watchdog to kill the server.	479	or die "fork_call: cannot open fh-to-buf in child : $!";
382		480	Storable::store_fd $_[0], $fh;
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
384	and return;
385
386	# always fsync - this file is important
387	aio_fsync $fh
388	and return;
389
390	close $fh	481	close $fh;
391	or return;
392		482
393	aio_rename "$runtime~", $runtime	483	$buf
394	and return;	484	}
395		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
396	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
397	}	644	}
398		645
399	=item cf::datalog type => key => value, ...	646	=item cf::datalog type => key => value, ...
400		647
401	Log a datalog packet of the given type with the given key-value pairs.	648	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
421		668
422	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	671	Crossfire TRT).
425		672
426	=over 4	673	=over 4
427		674
428	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
429		676
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
593		840
594	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		845
599	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	847	my $pkg = shift @arg;
601		848
602	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
632	}	879	}
633		880
634	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
635	} else {	882	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	884	}
638		885
639	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
640	}	887	}
641		888
…		…
643	if (ref $_[0]) {	890	if (ref $_[0]) {
644	_object_attach @_;	891	_object_attach @_;
645	} else {	892	} else {
646	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
647	}	894	}
		895	_recalc_want;
648	};	896	};
649		897
650	# all those should be optimised	898	# all those should be optimised
651	sub cf::attachable::detach {	899	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
656	reattach ($obj);	904	reattach ($obj);
657	} else {	905	} else {
658	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
659	}	907	}
		908	_recalc_want;
660	};	909	};
661		910
662	sub cf::attachable::attached {	911	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
664		913
…		…
679	";	928	";
680	die if $@;	929	die if $@;
681	}	930	}
682		931
683	our $override;	932	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		934
686	sub override {	935	sub override {
687	$override = 1;	936	$override = 1;
688	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
689	}	938	}
690		939
691	sub do_invoke {	940	sub do_invoke {
692	my $event = shift;	941	my $event = shift;
693	my $callbacks = shift;	942	my $callbacks = shift;
694		943
695	@invoke_results = ();	944	@INVOKE_RESULTS = ();
696		945
697	local $override;	946	local $override;
698		947
699	for (@$callbacks) {	948	for (@$callbacks) {
700	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
717		966
718	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
719		968
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		972
724	=back	973	=back
725		974
726	=cut	975	=cut
727		976
728	#############################################################################	977	#############################################################################
729	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
730		990
731	sub reattach {	991	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	993	my ($obj) = @_;
734		994
…		…
837	or return;	1097	or return;
838	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1099	}
840		1100
841	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
843	return ($data, $av);	1103	return ($data, $av);
844	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
845		1111
846	#############################################################################	1112	#############################################################################
847	# command handling &c	1113	# command handling &c
848		1114
849	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1129	}
864		1130
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1132
867	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
868		1138
869	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
870	called.	1140	called.
871		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
872	=cut	1153	=cut
873		1154
874	sub register_extcmd {	1155	sub register_extcmd {
875	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
876		1157
877	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
878	}	1165	}
879		1166
880	cf::player->attach (	1167	cf::player->attach (
881	on_command => sub {	1168	on_command => sub {
882	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1178	cf::override;
892	},	1179	},
893	on_extcmd => sub {	1180	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
895		1182
896	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1184
898	if (ref $msg) {	1185	if (ref $msg) {
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
900	if (my %reply = $cb->($pl, $msg)) {	1187	if (my %reply = $cb->($pl, $msg)) {
901	$pl->ext_reply ($msg->{msgid}, %reply);	1188	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
907		1194
908	cf::override;	1195	cf::override;
909	},	1196	},
910	);	1197	);
911		1198
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
947	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1204	next unless -r $path;
949	eval {	1205
950	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
951	1	1263	}
952	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
953	}	1269	};
954	}	1270	}
955		1271
956	#############################################################################	1272	#############################################################################
		1273
		1274	=back
957		1275
958	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
959		1277
960	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
961		1279
…		…
1149	}	1467	}
1150		1468
1151	\@paths	1469	\@paths
1152	}	1470	}
1153		1471
		1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1473
		1474	Expand crossfire pod fragments into protocol xml.
		1475
		1476	=cut
		1477
		1478	sub expand_cfpod {
		1479	((my $self), (local $_)) = @_;
		1480
		1481	# escape & and <
		1482	s/&/&amp;/g;
		1483	s/(?<![BIUGH])</&lt;/g;
		1484
		1485	# this is buggy, it needs to properly take care of nested <'s
		1486
		1487	1 while
		1488	# replace B<>, I<>, U<> etc.
		1489	s/B<([^\>]*)>/<b>$1<\/b>/
		1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1492	# replace G<male|female> tags
		1493	|| s{G<([^>|]*)\|([^>]*)>}{
		1494	$self->gender ? $2 : $1
		1495	}ge
		1496	# replace H<hint text>
		1497	|| s{H<([^\>]*)>}
		1498	{
		1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1501	"")
		1502	[$self->{hintmode}]
		1503	}ge;
		1504
		1505	# create single paragraphs (very hackish)
		1506	s/(?<=\S)\n(?=\w)/ /g;
		1507
		1508	# compress some whitespace
		1509	s/\s+\n/\n/g; # ws line-ends
		1510	s/\n\n+/\n/g; # double lines
		1511	s/^\n+//; # beginning lines
		1512	s/\n+$//; # ending lines
		1513
		1514	$_
		1515	}
		1516
		1517	sub hintmode {
		1518	$_[0]{hintmode} = $_[1] if @_ > 1;
		1519	$_[0]{hintmode}
		1520	}
		1521
1154	=item $player->ext_reply ($msgid, %msg)	1522	=item $player->ext_reply ($msgid, %msg)
1155		1523
1156	Sends an ext reply to the player.	1524	Sends an ext reply to the player.
1157		1525
1158	=cut	1526	=cut
1159		1527
1160	sub ext_reply($$%) {	1528	sub ext_reply($$%) {
1161	my ($self, $id, %msg) = @_;	1529	my ($self, $id, %msg) = @_;
1162		1530
1163	$msg{msgid} = $id;	1531	$msg{msgid} = $id;
1164		1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1533	}
1167		1534
1168	=item $player->ext_event ($type, %msg)	1535	=item $player->ext_event ($type, %msg)
1169		1536
1170	Sends an ext event to the client.	1537	Sends an ext event to the client.
…		…
1185		1552
1186	package cf::region;	1553	package cf::region;
1187		1554
1188	=item cf::region::find_by_path $path	1555	=item cf::region::find_by_path $path
1189		1556
1190	Tries to decuce the probable region for a map knowing only its path.	1557	Tries to decuce the likely region for a map knowing only its path.
1191		1558
1192	=cut	1559	=cut
1193		1560
1194	sub find_by_path($) {	1561	sub find_by_path($) {
1195	my ($path) = @_;	1562	my ($path) = @_;
1196		1563
1197	my ($match, $specificity);	1564	my ($match, $specificity);
1198		1565
1199	for my $region (list) {	1566	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1567	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1568	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1569	if $region->specificity > $specificity;
1203	}	1570	}
1204	}	1571	}
1205		1572
…		…
1269	my ($self, $merge) = @_;	1636	my ($self, $merge) = @_;
1270		1637
1271	# we have to keep some variables in memory intact	1638	# we have to keep some variables in memory intact
1272	local $self->{path};	1639	local $self->{path};
1273	local $self->{load_path};	1640	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1641
1277	$self->SUPER::thawer_merge ($merge);	1642	$self->SUPER::thawer_merge ($merge);
1278	}	1643	}
1279		1644
1280	sub normalise {	1645	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1692	$self->init; # pass $1 etc.
1328	return $self;	1693	return $self;
1329	}	1694	}
1330	}	1695	}
1331		1696
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1697	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1698	()
1334	}	1699	}
1335		1700
1336	sub init {	1701	sub init {
1337	my ($self) = @_;	1702	my ($self) = @_;
…		…
1378	sub change_all_map_light {	1743	sub change_all_map_light {
1379	my ($change) = @_;	1744	my ($change) = @_;
1380		1745
1381	$_->change_map_light ($change)	1746	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1747	for grep $_->outdoor, values %cf::MAP;
		1748	}
		1749
		1750	sub decay_objects {
		1751	my ($self) = @_;
		1752
		1753	return if $self->{deny_reset};
		1754
		1755	$self->do_decay_objects;
1383	}	1756	}
1384		1757
1385	sub unlink_save {	1758	sub unlink_save {
1386	my ($self) = @_;	1759	my ($self) = @_;
1387		1760
…		…
1445	$self->load_header_orig	1818	$self->load_header_orig
1446	or return;	1819	or return;
1447	$self->prepare_orig;	1820	$self->prepare_orig;
1448	}	1821	}
1449		1822
		1823	$self->{deny_reset} = 1
		1824	if $self->no_reset;
		1825
1450	$self->default_region (cf::region::find_by_path $self->{path})	1826	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1827	unless $self->default_region;
1452		1828
1453	1	1829	1
1454	}	1830	}
…		…
1469	$map->{last_save} = $cf::RUNTIME;	1845	$map->{last_save} = $cf::RUNTIME;
1470		1846
1471	$map->load_header	1847	$map->load_header
1472	or return;	1848	or return;
1473		1849
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1851	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1852	#$cf::WAIT_FOR_TICK->wait;
1477	$map->reset;	1853	$map->reset;
1478	undef $guard;	1854	undef $guard;
1479	return find $path;	1855	return find $path;
…		…
1546	my ($self, $ob) = @_;	1922	my ($self, $ob) = @_;
1547		1923
1548	return find "~" . $ob->name . "/" . $self->{path}	1924	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	1925	if $self->per_player;
1550		1926
		1927	# return find "?party/" . $ob->name . "/" . $self->{path}
		1928	# if $self->per_party;
		1929
1551	$self	1930	$self
1552	}	1931	}
1553		1932
1554	# find and load all maps in the 3x3 area around a map	1933	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	1934	sub load_diag {
…		…
1601		1980
1602	undef $MAP_PREFETCH{$path};	1981	undef $MAP_PREFETCH{$path};
1603	$MAP_PREFETCHER ||= cf::async {	1982	$MAP_PREFETCHER ||= cf::async {
1604	while (%MAP_PREFETCH) {	1983	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	1984	for my $path (keys %MAP_PREFETCH) {
1606	my $map = find $path	1985	if (my $map = find $path) {
1607	or next;
1608	$map->load;	1986	$map->load;
		1987	}
1609		1988
1610	delete $MAP_PREFETCH{$path};	1989	delete $MAP_PREFETCH{$path};
1611	}	1990	}
1612	}	1991	}
1613	undef $MAP_PREFETCHER;	1992	undef $MAP_PREFETCHER;
…		…
1665		2044
1666	sub reset_at {	2045	sub reset_at {
1667	my ($self) = @_;	2046	my ($self) = @_;
1668		2047
1669	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1672		2050
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2053
…		…
1686	my ($self) = @_;	2064	my ($self) = @_;
1687		2065
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2067
1690	return if $self->players;	2068	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2069
1693	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
1694		2071
1695	$self->in_memory (cf::MAP_SWAPPED);	2072	$self->in_memory (cf::MAP_SWAPPED);
1696		2073
1697	# need to save uniques path	2074	# need to save uniques path
1698	unless ($self->{deny_save}) {	2075	unless ($self->{deny_save}) {
…		…
1730	$cf::MAP{$self->path} = $self;	2107	$cf::MAP{$self->path} = $self;
1731		2108
1732	$self->reset; # polite request, might not happen	2109	$self->reset; # polite request, might not happen
1733	}	2110	}
1734		2111
		2112	=item $maps = cf::map::tmp_maps
		2113
		2114	Returns an arrayref with all map paths of currently instantiated and saved
		2115	maps. May block.
		2116
		2117	=cut
		2118
		2119	sub tmp_maps() {
		2120	[
		2121	map {
		2122	utf8::decode $_;
		2123	/\.map$/
		2124	? normalise $_
		2125	: ()
		2126	} @{ aio_readdir $TMPDIR or [] }
		2127	]
		2128	}
		2129
		2130	=item $maps = cf::map::random_maps
		2131
		2132	Returns an arrayref with all map paths of currently instantiated and saved
		2133	random maps. May block.
		2134
		2135	=cut
		2136
		2137	sub random_maps() {
		2138	[
		2139	map {
		2140	utf8::decode $_;
		2141	/\.map$/
		2142	? normalise "?random/$_"
		2143	: ()
		2144	} @{ aio_readdir $RANDOMDIR or [] }
		2145	]
		2146	}
		2147
1735	=item cf::map::unique_maps	2148	=item cf::map::unique_maps
1736		2149
1737	Returns an arrayref of paths of all shared maps that have	2150	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2151	instantiated unique items. May block.
1739		2152
1740	=cut	2153	=cut
1741		2154
1742	sub unique_maps() {	2155	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2156	[
1744	or return;	2157	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2158	utf8::decode $_;
1750	next if /\.pst$/;	2159	/\.map$/
1751	next unless /^$PATH_SEP/o;	2160	? normalise $_
1752		2161	: ()
1753	push @paths, cf::map::normalise $_;	2162	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2163	]
1755
1756	\@paths
1757	}	2164	}
1758		2165
1759	package cf;	2166	package cf;
1760		2167
1761	=back	2168	=back
…		…
1807		2214
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2215	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2216
1810	if ($self->{record_replies}) {	2217	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2218	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2219
1812	} else {	2220	} else {
		2221	my $pl = $self->contr;
		2222
		2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2224	my $diag = $pl->{npc_dialog};
		2225	$diag->{pl}->ext_reply (
		2226	$diag->{id},
		2227	msgtype => "reply",
		2228	msg => $diag->{pl}->expand_cfpod ($msg),
		2229	add_topics => []
		2230	);
		2231
		2232	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2233	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2234	$self->message ($msg, $flags);
		2235	}
1815	}	2236	}
1816	}	2237	}
1817		2238
1818	=item $player_object->may ("access")	2239	=item $player_object->may ("access")
1819		2240
…		…
1862	}	2283	}
1863		2284
1864	sub cf::object::player::enter_link {	2285	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2286	my ($self) = @_;
1866		2287
		2288	$self->deactivate_recursive;
		2289
1867	return if UNIVERSAL::isa $self->map, "ext::map_link";	2290	return if UNIVERSAL::isa $self->map, "ext::map_link";
1868		2291
1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2292	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870	if $self->map;	2293	if $self->map && $self->map->{path} ne "{link}";
1871		2294
1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2295	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1873	}	2296	}
1874		2297
1875	sub cf::object::player::leave_link {	2298	sub cf::object::player::leave_link {
1876	my ($self, $map, $x, $y) = @_;	2299	my ($self, $map, $x, $y) = @_;
		2300
		2301	return unless $self->contr->active;
1877		2302
1878	my $link_pos = delete $self->{_link_pos};	2303	my $link_pos = delete $self->{_link_pos};
1879		2304
1880	unless ($map) {	2305	unless ($map) {
1881	# restore original map position	2306	# restore original map position
…		…
1904		2329
1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906	$self->enter_map ($map, $x, $y);	2331	$self->enter_map ($map, $x, $y);
1907	}	2332	}
1908		2333
1909	cf::player->attach (	2334	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1910	on_logout => sub {
1911	my ($pl) = @_;
1912		2335
1913	# abort map switching before logout	2336	Moves the player to the given map-path and coordinates by first freezing
1914	if ($pl->ob->{_link_pos}) {	2337	her, loading and preparing them map, calling the provided $check callback
1915	cf::sync_job {	2338	that has to return the map if sucecssful, and then unfreezes the player on
1916	$pl->ob->leave_link	2339	the new (success) or old (failed) map position. In either case, $done will
1917	};	2340	be called at the end of this process.
1918	}
1919	},
1920	on_login => sub {
1921	my ($pl) = @_;
1922		2341
1923	# try to abort aborted map switching on player login :)
1924	# should happen only on crashes
1925	if ($pl->ob->{_link_pos}) {
1926	$pl->ob->enter_link;
1927	(async {
1928	$pl->ob->reply (undef,
1929	"There was an internal problem at your last logout, "
1930	. "the server will try to bring you to your intended destination in a second.",
1931	cf::NDI_RED);
1932	# we need this sleep as the login has a concurrent enter_exit running
1933	# and this sleep increases chances of the player not ending up in scorn
1934	Coro::Timer::sleep 1;
1935	$pl->ob->leave_link;
1936	})->prio (2);
1937	}
1938	},
1939	);
1940
1941	=item $player_object->goto ($path, $x, $y)
1942
1943	=cut	2342	=cut
		2343
		2344	our $GOTOGEN;
1944		2345
1945	sub cf::object::player::goto {	2346	sub cf::object::player::goto {
1946	my ($self, $path, $x, $y) = @_;	2347	my ($self, $path, $x, $y, $check, $done) = @_;
		2348
		2349	# do generation counting so two concurrent goto's will be executed in-order
		2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1947		2351
1948	$self->enter_link;	2352	$self->enter_link;
1949		2353
1950	(async {	2354	(async {
1951	my $map = eval {	2355	my $map = eval {
1952	my $map = cf::map::find $path;	2356	my $map = cf::map::find $path;
		2357
		2358	if ($map) {
1953	$map = $map->customise_for ($self) if $map;	2359	$map = $map->customise_for ($self);
		2360	$map = $check->($map) if $check && $map;
		2361	} else {
		2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2363	}
		2364
1954	$map	2365	$map
		2366	};
		2367
		2368	if ($@) {
		2369	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2370	LOG llevError | logBacktrace, Carp::longmess $@;
1955	} or	2371	}
1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957		2372
		2373	if ($gen == $self->{_goto_generation}) {
		2374	delete $self->{_goto_generation};
1958	$self->leave_link ($map, $x, $y);	2375	$self->leave_link ($map, $x, $y);
		2376	}
		2377
		2378	$done->() if $done;
1959	})->prio (1);	2379	})->prio (1);
1960	}	2380	}
1961		2381
1962	=item $player_object->enter_exit ($exit_object)	2382	=item $player_object->enter_exit ($exit_object)
1963		2383
…		…
2032	my $hp = $exit->stats->hp;	2452	my $hp = $exit->stats->hp;
2033	my $sp = $exit->stats->sp;	2453	my $sp = $exit->stats->sp;
2034		2454
2035	$self->enter_link;	2455	$self->enter_link;
2036		2456
		2457	# if exit is damned, update players death & WoR home-position
		2458	$self->contr->savebed ($slaying, $hp, $sp)
		2459	if $exit->flag (FLAG_DAMNED);
		2460
2037	(async {	2461	(async {
2038	$self->deactivate_recursive; # just to be sure	2462	$self->deactivate_recursive; # just to be sure
2039	unless (eval {	2463	unless (eval {
2040	$self->goto ($slaying, $hp, $sp);	2464	$self->goto ($slaying, $hp, $sp);
2041		2465
…		…
2068		2492
2069	utf8::encode $text;	2493	utf8::encode $text;
2070	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2494	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2071	}	2495	}
2072		2496
		2497	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2498
		2499	Send a drawinfo or msg packet to the client, formatting the msg for the
		2500	client if neccessary. C<$type> should be a string identifying the type of
		2501	the message, with C<log> being the default. If C<$color> is negative, suppress
		2502	the message unless the client supports the msg packet.
		2503
		2504	=cut
		2505
		2506	sub cf::client::send_msg {
		2507	my ($self, $channel, $msg, $color, @extra) = @_;
		2508
		2509	$msg = $self->pl->expand_cfpod ($msg);
		2510
		2511	$color &= ~cf::NDI_UNIQUE; # just in case...
		2512
		2513	if (ref $channel) {
		2514	# send meta info to client, if not yet sent
		2515	unless (exists $self->{channel}{$channel->{id}}) {
		2516	$self->{channel}{$channel->{id}} = $channel;
		2517	$self->ext_event (channel_info => %$channel);
		2518	}
		2519
		2520	$channel = $channel->{id};
		2521	}
		2522
		2523	return unless @extra || length $msg;
		2524
		2525	if ($self->can_msg) {
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2527	} else {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	if ($color >= 0) {
		2539	if (0 && $msg =~ /\[/) {
		2540	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2541	} else {
		2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2543	$self->send_packet ("drawinfo $color $msg")
		2544	}
		2545	}
		2546	}
		2547	}
		2548
2073	=item $client->ext_event ($type, %msg)	2549	=item $client->ext_event ($type, %msg)
2074		2550
2075	Sends an exti event to the client.	2551	Sends an ext event to the client.
2076		2552
2077	=cut	2553	=cut
2078		2554
2079	sub cf::client::ext_event($$%) {	2555	sub cf::client::ext_event($$%) {
2080	my ($self, $type, %msg) = @_;	2556	my ($self, $type, %msg) = @_;
2081		2557
		2558	return unless $self->extcmd;
		2559
2082	$msg{msgtype} = "event_$type";	2560	$msg{msgtype} = "event_$type";
2083	$self->send_packet ("ext " . cf::to_json \%msg);	2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2084	}	2562	}
2085		2563
2086	=item $success = $client->query ($flags, "text", \&cb)	2564	=item $success = $client->query ($flags, "text", \&cb)
2087		2565
2088	Queues a query to the client, calling the given callback with	2566	Queues a query to the client, calling the given callback with
2089	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2567	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2090	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2568	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2091		2569
2092	Queries can fail, so check the return code. Or don't, as queries will become	2570	Queries can fail, so check the return code. Or don't, as queries will
2093	reliable at some point in the future.	2571	become reliable at some point in the future.
2094		2572
2095	=cut	2573	=cut
2096		2574
2097	sub cf::client::query {	2575	sub cf::client::query {
2098	my ($self, $flags, $text, $cb) = @_;	2576	my ($self, $flags, $text, $cb) = @_;
…		…
2106	utf8::encode $text;	2584	utf8::encode $text;
2107	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2585	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108		2586
2109	$self->send_packet ($self->{query_queue}[0][0])	2587	$self->send_packet ($self->{query_queue}[0][0])
2110	if @{ $self->{query_queue} } == 1;	2588	if @{ $self->{query_queue} } == 1;
		2589
		2590	1
2111	}	2591	}
2112		2592
2113	cf::client->attach (	2593	cf::client->attach (
		2594	on_connect => sub {
		2595	my ($ns) = @_;
		2596
		2597	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2598	},
2114	on_reply => sub {	2599	on_reply => sub {
2115	my ($ns, $msg) = @_;	2600	my ($ns, $msg) = @_;
2116		2601
2117	# this weird shuffling is so that direct followup queries	2602	# this weird shuffling is so that direct followup queries
2118	# get handled first	2603	# get handled first
…		…
2130	} else {	2615	} else {
2131	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2616	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132	}	2617	}
2133	}	2618	}
2134	},	2619	},
		2620	on_exticmd => sub {
		2621	my ($ns, $buf) = @_;
		2622
		2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2624
		2625	if (ref $msg) {
		2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2627	if (my %reply = $cb->($ns, $msg)) {
		2628	$reply{msgid} = $msg->{msgid};
		2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2630	}
		2631	}
		2632	} else {
		2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2634	}
		2635
		2636	cf::override;
		2637	},
2135	);	2638	);
2136		2639
2137	=item $client->async (\&cb)	2640	=item $client->async (\&cb)
2138		2641
2139	Create a new coroutine, running the specified callback. The coroutine will	2642	Create a new coroutine, running the specified callback. The coroutine will
…		…
2188		2691
2189	=pod	2692	=pod
2190		2693
2191	The following functions and methods are available within a safe environment:	2694	The following functions and methods are available within a safe environment:
2192		2695
2193	cf::object contr pay_amount pay_player map	2696	cf::object
		2697	contr pay_amount pay_player map x y force_find force_add
		2698	insert remove
		2699
2194	cf::object::player player	2700	cf::object::player
2195	cf::player peaceful	2701	player
2196	cf::map trigger	2702
		2703	cf::player
		2704	peaceful
		2705
		2706	cf::map
		2707	trigger
2197		2708
2198	=cut	2709	=cut
2199		2710
2200	for (	2711	for (
2201	["cf::object" => qw(contr pay_amount pay_player map)],	2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2713	insert remove)],
2202	["cf::object::player" => qw(player)],	2714	["cf::object::player" => qw(player)],
2203	["cf::player" => qw(peaceful)],	2715	["cf::player" => qw(peaceful)],
2204	["cf::map" => qw(trigger)],	2716	["cf::map" => qw(trigger)],
2205	) {	2717	) {
2206	no strict 'refs';	2718	no strict 'refs';
…		…
2277	=back	2789	=back
2278		2790
2279	=cut	2791	=cut
2280		2792
2281	#############################################################################	2793	#############################################################################
2282
2283	=head2 EXTENSION DATABASE SUPPORT
2284
2285	Crossfire maintains a very simple database for extension use. It can
2286	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2287	convert to/from binary).
2288
2289	The parameter C<$family> should best start with the name of the extension
2290	using it, it should be unique.
2291
2292	=over 4
2293
2294	=item $value = cf::db_get $family => $key
2295
2296	Returns a single value from the database.
2297
2298	=item cf::db_put $family => $key => $value
2299
2300	Stores the given C<$value> in the family.
2301
2302	=cut
2303
2304	our $DB;
2305
2306	sub db_init {
2307	unless ($DB) {
2308	$DB = BDB::db_create $DB_ENV;
2309
2310	cf::sync_job {
2311	eval {
2312	$DB->set_flags (BDB::CHKSUM);
2313
2314	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2315	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2316	cf::cleanup "db_open(db): $!" if $!;
2317	};
2318	cf::cleanup "db_open(db): $@" if $@;
2319	};
2320	}
2321	}
2322
2323	sub db_get($$) {
2324	my $key = "$_[0]/$_[1]";
2325
2326	cf::sync_job {
2327	BDB::db_get $DB, undef, $key, my $data;
2328
2329	$! ? ()
2330	: $data
2331	}
2332	}
2333
2334	sub db_put($$$) {
2335	BDB::dbreq_pri 4;
2336	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2337	}
2338
2339	=item cf::cache $id => [$paths...], $processversion => $process
2340
2341	Generic caching function that returns the value of the resource $id,
2342	caching and regenerating as required.
2343
2344	This function can block.
2345
2346	=cut
2347
2348	sub cache {
2349	my ($id, $src, $processversion, $process) = @_;
2350
2351	my $meta =
2352	join "\x00",
2353	$processversion,
2354	map {
2355	aio_stat $_
2356	and Carp::croak "$_: $!";
2357
2358	($_, (stat _)[7,9])
2359	} @$src;
2360
2361	my $dbmeta = db_get cache => "$id/meta";
2362	if ($dbmeta ne $meta) {
2363	# changed, we may need to process
2364
2365	my @data;
2366	my $md5;
2367
2368	for (0 .. $#$src) {
2369	0 <= aio_load $src->[$_], $data[$_]
2370	or Carp::croak "$src->[$_]: $!";
2371	}
2372
2373	# if processing is expensive, check
2374	# checksum first
2375	if (1) {
2376	$md5 =
2377	join "\x00",
2378	$processversion,
2379	map {
2380	Coro::cede;
2381	($src->[$_], Digest::MD5::md5_hex $data[$_])
2382	} 0.. $#$src;
2383
2384
2385	my $dbmd5 = db_get cache => "$id/md5";
2386	if ($dbmd5 eq $md5) {
2387	db_put cache => "$id/meta", $meta;
2388
2389	return db_get cache => "$id/data";
2390	}
2391	}
2392
2393	my $t1 = Time::HiRes::time;
2394	my $data = $process->(\@data);
2395	my $t2 = Time::HiRes::time;
2396
2397	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2398
2399	db_put cache => "$id/data", $data;
2400	db_put cache => "$id/md5" , $md5;
2401	db_put cache => "$id/meta", $meta;
2402
2403	return $data;
2404	}
2405
2406	db_get cache => "$id/data"
2407	}
2408
2409	=item fork_call { }, $args
2410
2411	Executes the given code block with the given arguments in a seperate
2412	process, returning the results. Everything must be serialisable with
2413	Coro::Storable. May, of course, block. Note that the executed sub may
2414	never block itself or use any form of Event handling.
2415
2416	=cut
2417
2418	sub fork_call(&@) {
2419	my ($cb, @args) = @_;
2420
2421	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2422	# or die "socketpair: $!";
2423	pipe my $fh1, my $fh2
2424	or die "pipe: $!";
2425
2426	if (my $pid = fork) {
2427	close $fh2;
2428
2429	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2430	$res = Coro::Storable::thaw $res;
2431
2432	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2433
2434	die $$res unless "ARRAY" eq ref $res;
2435
2436	return wantarray ? @$res : $res->[-1];
2437	} else {
2438	local $SIG{__WARN__};
2439	eval {
2440	local $SIG{__DIE__};
2441	close $fh1;
2442
2443	my @res = eval { $cb->(@args) };
2444	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2445	};
2446
2447	warn $@ if $@;
2448	_exit 0;
2449	}
2450	}
2451
2452
2453
2454	#############################################################################
2455	# the server's init and main functions	2794	# the server's init and main functions
2456		2795
2457	sub load_facedata($) {	2796	sub load_facedata($) {
2458	my ($path) = @_;	2797	my ($path) = @_;
2459		2798
…		…
2471	{	2810	{
2472	my $faces = $facedata->{faceinfo};	2811	my $faces = $facedata->{faceinfo};
2473		2812
2474	while (my ($face, $info) = each %$faces) {	2813	while (my ($face, $info) = each %$faces) {
2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2815	cf::face::set_visibility $idx, $info->{visibility};
		2816	cf::face::set_magicmap $idx, $info->{magicmap};
2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2479	Coro::cede;	2819
		2820	cf::cede_to_tick;
2480	}	2821	}
2481		2822
2482	while (my ($face, $info) = each %$faces) {	2823	while (my ($face, $info) = each %$faces) {
2483	next unless $info->{smooth};	2824	next unless $info->{smooth};
2484	my $idx = cf::face::find $face	2825	my $idx = cf::face::find $face
2485	or next;	2826	or next;
2486	if (my $smooth = cf::face::find $info->{smooth}) {	2827	if (my $smooth = cf::face::find $info->{smooth}) {
		2828	cf::face::set_smooth $idx, $smooth;
2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488	} else {	2830	} else {
2489	warn "smooth face '$info->{smooth}' not found for face '$face'";	2831	warn "smooth face '$info->{smooth}' not found for face '$face'";
2490	}	2832	}
2491	Coro::cede;	2833
		2834	cf::cede_to_tick;
2492	}	2835	}
2493	}	2836	}
2494		2837
2495	{	2838	{
2496	my $anims = $facedata->{animinfo};	2839	my $anims = $facedata->{animinfo};
2497		2840
2498	while (my ($anim, $info) = each %$anims) {	2841	while (my ($anim, $info) = each %$anims) {
2499	cf::anim::set $anim, $info->{frames}, $info->{facings};	2842	cf::anim::set $anim, $info->{frames}, $info->{facings};
2500	Coro::cede;	2843	cf::cede_to_tick;
2501	}	2844	}
2502		2845
2503	cf::anim::invalidate_all; # d'oh	2846	cf::anim::invalidate_all; # d'oh
		2847	}
		2848
		2849	{
		2850	# TODO: for gcfclient pleasure, we should give resources
		2851	# that gcfclient doesn't grok a >10000 face index.
		2852	my $res = $facedata->{resource};
		2853	my $enc = JSON::XS->new->utf8->canonical;
		2854
		2855	while (my ($name, $info) = each %$res) {
		2856	my $meta = $enc->encode ({
		2857	name => $name,
		2858	type => $info->{type},
		2859	copyright => $info->{copyright}, #TODO#
		2860	});
		2861
		2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2863
		2864	if ($name =~ /\.jpg$/) {
		2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2867	} else {
		2868	my $data = pack "(w/a*)*", $meta, $info->{data};
		2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2870
		2871	cf::face::set_type $idx, 1;
		2872	cf::face::set_data $idx, 0, $data, $chk;
		2873	}
		2874
		2875	cf::cede_to_tick;
		2876	}
2504	}	2877	}
2505		2878
2506	1	2879	1
2507	}	2880	}
2508		2881
2509	sub reload_regions {	2882	sub reload_regions {
2510	load_resource_file "$MAPDIR/regions"	2883	load_resource_file "$MAPDIR/regions"
2511	or die "unable to load regions file\n";	2884	or die "unable to load regions file\n";
		2885
		2886	for (cf::region::list) {
		2887	$_->{match} = qr/$_->{match}/
		2888	if exists $_->{match};
		2889	}
2512	}	2890	}
2513		2891
2514	sub reload_facedata {	2892	sub reload_facedata {
2515	load_facedata "$DATADIR/facedata"	2893	load_facedata "$DATADIR/facedata"
2516	or die "unable to load facedata\n";	2894	or die "unable to load facedata\n";
2517	}	2895	}
2518		2896
2519	sub reload_archetypes {	2897	sub reload_archetypes {
2520	load_resource_file "$DATADIR/archetypes"	2898	load_resource_file "$DATADIR/archetypes"
2521	or die "unable to load archetypes\n";	2899	or die "unable to load archetypes\n";
		2900	#d# NEED to laod twice to resolve forward references
		2901	# this really needs to be done in an extra post-pass
		2902	# (which needs to be synchronous, so solve it differently)
		2903	load_resource_file "$DATADIR/archetypes"
		2904	or die "unable to load archetypes\n";
2522	}	2905	}
2523		2906
2524	sub reload_treasures {	2907	sub reload_treasures {
2525	load_resource_file "$DATADIR/treasures"	2908	load_resource_file "$DATADIR/treasures"
2526	or die "unable to load treasurelists\n";	2909	or die "unable to load treasurelists\n";
…		…
2529	sub reload_resources {	2912	sub reload_resources {
2530	warn "reloading resource files...\n";	2913	warn "reloading resource files...\n";
2531		2914
2532	reload_regions;	2915	reload_regions;
2533	reload_facedata;	2916	reload_facedata;
		2917	#reload_archetypes;#d#
2534	reload_archetypes;	2918	reload_archetypes;
2535	reload_treasures;	2919	reload_treasures;
2536		2920
2537	warn "finished reloading resource files\n";	2921	warn "finished reloading resource files\n";
2538	}	2922	}
…		…
2595	},	2979	},
2596	);	2980	);
2597	}	2981	}
2598	}	2982	}
2599		2983
		2984	sub write_runtime {
		2985	my $runtime = "$LOCALDIR/runtime";
		2986
		2987	# first touch the runtime file to show we are still running:
		2988	# the fsync below can take a very very long time.
		2989
		2990	IO::AIO::aio_utime $runtime, undef, undef;
		2991
		2992	my $guard = cf::lock_acquire "write_runtime";
		2993
		2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2995	or return;
		2996
		2997	my $value = $cf::RUNTIME + 90 + 10;
		2998	# 10 is the runtime save interval, for a monotonic clock
		2999	# 60 allows for the watchdog to kill the server.
		3000
		3001	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3002	and return;
		3003
		3004	# always fsync - this file is important
		3005	aio_fsync $fh
		3006	and return;
		3007
		3008	# touch it again to show we are up-to-date
		3009	aio_utime $fh, undef, undef;
		3010
		3011	close $fh
		3012	or return;
		3013
		3014	aio_rename "$runtime~", $runtime
		3015	and return;
		3016
		3017	warn "runtime file written.\n";
		3018
		3019	1
		3020	}
		3021
2600	sub emergency_save() {	3022	sub emergency_save() {
2601	my $freeze_guard = cf::freeze_mainloop;	3023	my $freeze_guard = cf::freeze_mainloop;
2602		3024
2603	warn "enter emergency perl save\n";	3025	warn "enter emergency perl save\n";
2604		3026
…		…
2679	%EXT_CORO = ();	3101	%EXT_CORO = ();
2680		3102
2681	warn "removing commands";	3103	warn "removing commands";
2682	%COMMAND = ();	3104	%COMMAND = ();
2683		3105
2684	warn "removing ext commands";	3106	warn "removing ext/exti commands";
2685	%EXTCMD = ();	3107	%EXTCMD = ();
		3108	%EXTICMD = ();
2686		3109
2687	warn "unloading/nuking all extensions";	3110	warn "unloading/nuking all extensions";
2688	for my $pkg (@EXTS) {	3111	for my $pkg (@EXTS) {
2689	warn "... unloading $pkg";	3112	warn "... unloading $pkg";
2690		3113
…		…
2808	my $signal = new Coro::Signal;	3231	my $signal = new Coro::Signal;
2809	push @WAIT_FOR_TICK_BEGIN, $signal;	3232	push @WAIT_FOR_TICK_BEGIN, $signal;
2810	$signal->wait;	3233	$signal->wait;
2811	}	3234	}
2812		3235
		3236	my $min = 1e6;#d#
		3237	my $avg = 10;
2813	$TICK_WATCHER = Event->timer (	3238	$TICK_WATCHER = Event->timer (
2814	reentrant => 0,	3239	reentrant => 0,
2815	parked => 1,	3240	parked => 1,
2816	prio => 0,	3241	prio => 0,
2817	at => $NEXT_TICK || $TICK,	3242	at => $NEXT_TICK || $TICK,
…		…
2821	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2822	unless ++$bug_warning > 10;	3247	unless ++$bug_warning > 10;
2823	return;	3248	return;
2824	}	3249	}
2825		3250
2826	$NOW = Event::time;	3251	$NOW = $tick_start = Event::time;
2827		3252
2828	cf::server_tick; # one server iteration	3253	cf::server_tick; # one server iteration
		3254
		3255	0 && sync_job {#d#
		3256	for(1..10) {
		3257	my $t = Event::time;
		3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3259	or die;
		3260
		3261	$map->width (50);
		3262	$map->height (50);
		3263	$map->alloc;
		3264	$map->_load_objects ("/tmp/x.map", 1);
		3265	my $t = Event::time - $t;
		3266
		3267	#next unless $t < 0.0013;#d#
		3268	if ($t < $min) {
		3269	$min = $t;
		3270	}
		3271	$avg = $avg * 0.99 + $t * 0.01;
		3272	}
		3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3274	exit 0;
		3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3276	};
2829		3277
2830	$RUNTIME += $TICK;	3278	$RUNTIME += $TICK;
2831	$NEXT_TICK += $TICK;	3279	$NEXT_TICK += $TICK;
2832		3280
2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2839	}	3287	}
2840		3288
2841	# my $AFTER = Event::time;	3289	# my $AFTER = Event::time;
2842	# warn $AFTER - $NOW;#d#	3290	# warn $AFTER - $NOW;#d#
2843		3291
		3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3293	$sig->send;
		3294	}
		3295	while (my $sig = shift @WAIT_FOR_TICK) {
		3296	$sig->send;
		3297	}
		3298
		3299	$NOW = Event::time;
		3300
2844	# if we are delayed by four ticks or more, skip them all	3301	# if we are delayed by four ticks or more, skip them all
2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2846		3303
2847	$TICK_WATCHER->at ($NEXT_TICK);	3304	$TICK_WATCHER->at ($NEXT_TICK);
2848	$TICK_WATCHER->start;	3305	$TICK_WATCHER->start;
2849		3306
2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3307	$LOAD = ($NOW - $tick_start) / $TICK;
2851	$sig->send;	3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2852	}
2853	while (my $sig = shift @WAIT_FOR_TICK) {
2854	$sig->send;
2855	}
2856		3309
2857	_post_tick;	3310	_post_tick;
		3311
		3312
2858	},	3313	},
2859	);	3314	);
2860		3315
2861	{	3316	{
2862	BDB::max_poll_time $TICK * 0.1;	3317	BDB::max_poll_time $TICK * 0.1;
…		…
2921	prio => 6,	3376	prio => 6,
2922	cb => \&IO::AIO::poll_cb,	3377	cb => \&IO::AIO::poll_cb,
2923	);	3378	);
2924	}	3379	}
2925		3380
		3381	my $_log_backtrace;
		3382
		3383	sub _log_backtrace {
		3384	my ($msg, @addr) = @_;
		3385
		3386	$msg =~ s/\n//;
		3387
		3388	# limit the # of concurrent backtraces
		3389	if ($_log_backtrace < 2) {
		3390	++$_log_backtrace;
		3391	async {
		3392	my @bt = fork_call {
		3393	@addr = map { sprintf "%x", $_ } @addr;
		3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3396	or die "addr2line: $!";
		3397
		3398	my @funcs;
		3399	my @res = <$fh>;
		3400	chomp for @res;
		3401	while (@res) {
		3402	my ($func, $line) = splice @res, 0, 2, ();
		3403	push @funcs, "[$func] $line";
		3404	}
		3405
		3406	@funcs
		3407	};
		3408
		3409	LOG llevInfo, "[ABT] $msg\n";
		3410	LOG llevInfo, "[ABT] $_\n" for @bt;
		3411	--$_log_backtrace;
		3412	};
		3413	} else {
		3414	LOG llevInfo, "[ABT] $msg\n";
		3415	LOG llevInfo, "[ABT] [suppressed]\n";
		3416	}
		3417	}
		3418
2926	# load additional modules	3419	# load additional modules
2927	use cf::pod;	3420	use cf::pod;
2928		3421
2929	END { cf::emergency_save }	3422	END { cf::emergency_save }
2930		3423

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