[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.314 by root, Mon Jul 23 16:53:15 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]
		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	Useful for short background jobs.
		334
		335	=cut
		336
		337	our @SLOT_QUEUE;
		338	our $SLOT_QUEUE;
		339
		340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		341	$SLOT_QUEUE = Coro::async {
		342	my $signal = new Coro::Signal;
		343
		344	while () {
		345	next_job:
		346	my $avail = cf::till_tick;
		347	if ($avail > 0.01) {
		348	for (0 .. $#SLOT_QUEUE) {
		349	if ($SLOT_QUEUE[$_][0] < $avail) {
		350	my $job = splice @SLOT_QUEUE, $_, 1, ();
		351	$job->[2]->send;
		352	Coro::cede;
		353	goto next_job;
		354	}
		355	}
		356	}
		357
		358	if (@SLOT_QUEUE) {
		359	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		360	push @cf::WAIT_FOR_TICK, $signal;
		361	$signal->wait;
		362	} else {
		363	Coro::schedule;
		364	}
		365	}
		366	};
		367
		368	sub get_slot($;$) {
		369	my ($time, $pri) = @_;
		370
		371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];
		372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		373	$SLOT_QUEUE->ready;
		374	$sig->wait;
		375	}
		376
296	=item cf::async { BLOCK }	377	=item cf::async { BLOCK }
297		378
298	Currently the same as Coro::async_pool, meaning you cannot use	379	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	380	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	381	thing you are allowed to do is call C<prio> on it.
…		…
303		384
304	BEGIN { *async = \&Coro::async_pool }	385	BEGIN { *async = \&Coro::async_pool }
305		386
306	=item cf::sync_job { BLOCK }	387	=item cf::sync_job { BLOCK }
307		388
308	The design of crossfire+ requires that the main coro ($Coro::main) is	389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	390	is always able to handle events or runnable, as Crossfire TRT is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		392	acceptable.
311		393
312	If it must be done, put the blocking parts into C<sync_job>. This will run	394	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	395	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	396	server will be frozen during this time, so the block should either finish
315	fast or be very important.	397	fast or be very important.
…		…
318		400
319	sub sync_job(&) {	401	sub sync_job(&) {
320	my ($job) = @_;	402	my ($job) = @_;
321		403
322	if ($Coro::current == $Coro::main) {	404	if ($Coro::current == $Coro::main) {
		405	my $time = Event::time;
		406
323	# this is the main coro, too bad, we have to block	407	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	408	# till the operation succeeds, freezing the server :/
325		409
326	# TODO: use suspend/resume instead	410	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	411	# (but this is cancel-safe)
…		…
338		422
339	while ($busy) {	423	while ($busy) {
340	Coro::cede or Event::one_event;	424	Coro::cede or Event::one_event;
341	}	425	}
342		426
		427	$time = Event::time - $time;
		428
		429	LOG llevError \| logBacktrace, Carp::longmess "long sync job"
		430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		431
		432	$tick_start += $time; # do not account sync jobs to server load
		433
343	wantarray ? @res : $res[0]	434	wantarray ? @res : $res[0]
344	} else {	435	} else {
345	# we are in another coroutine, how wonderful, everything just works	436	# we are in another coroutine, how wonderful, everything just works
346		437
347	$job->()	438	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	457	$EXT_CORO{$coro+0} = $coro;
367		458
368	$coro	459	$coro
369	}	460	}
370		461
371	sub write_runtime {	462	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		463
374	# first touch the runtime file to show we are still running:	464	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	465	process, returning the results. Everything must be serialisable with
		466	Coro::Storable. May, of course, block. Note that the executed sub may
		467	never block itself or use any form of Event handling.
376		468
377	warn "touching runtime...\n";#d#	469	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
379	utime undef, undef, $fh;
380	}
381		470
382	my $guard = cf::lock_acquire "write_runtime";	471	sub _store_scalar {
383		472	open my $fh, ">", \my $buf
384	warn "starting to write runtime...\n";#d#	473	or die "fork_call: cannot open fh-to-buf in child : $!";
385	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	474	Storable::store_fd $_[0], $fh;
386	or return;
387
388	my $value = $cf::RUNTIME + 90 + 10;
389	# 10 is the runtime save interval, for a monotonic clock
390	# 60 allows for the watchdog to kill the server.
391
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0
393	and return;
394
395	# always fsync - this file is important
396	aio_fsync $fh
397	and return;
398
399	# touch it again to show we are up-to-date
400	utime undef, undef, $fh;
401
402	close $fh	475	close $fh;
403	or return;
404		476
405	aio_rename "$runtime~", $runtime	477	$buf
406	and return;	478	}
407		479
408	warn "... done writing runtime.\n";#d#	480	sub fork_call(&@) {
		481	my ($cb, @args) = @_;
409		482
		483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		484	# or die "socketpair: $!";
		485	pipe my $fh1, my $fh2
		486	or die "pipe: $!";
		487
		488	if (my $pid = fork) {
		489	close $fh2;
		490
		491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		492	warn "pst<$res>" unless $res =~ /^pst/;
		493	$res = Coro::Storable::thaw $res;
		494
		495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		496
		497	Carp::confess $$res unless "ARRAY" eq ref $res;
		498
		499	return wantarray ? @$res : $res->[-1];
		500	} else {
		501	reset_signals;
		502	local $SIG{__WARN__};
		503	local $SIG{__DIE__};
		504	# just in case, this hack effectively disables event
		505	# in the child. cleaner and slower would be canceling all watchers,
		506	# but this works for the time being.
		507	local $Coro::idle;
		508	$Coro::current->prio (Coro::PRIO_MAX);
		509
		510	eval {
		511	close $fh1;
		512
		513	my @res = eval { $cb->(@args) };
		514
		515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		516	close $fh2;
		517	};
		518
		519	warn $@ if $@;
		520	_exit 0;
410	1	521	}
		522	}
		523
		524	=item $value = cf::db_get $family => $key
		525
		526	Returns a single value from the environment database.
		527
		528	=item cf::db_put $family => $key => $value
		529
		530	Stores the given C<$value> in the family. It can currently store binary
		531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		532
		533	=cut
		534
		535	our $DB;
		536
		537	sub db_init {
		538	unless ($DB) {
		539	$DB = BDB::db_create $DB_ENV;
		540
		541	cf::sync_job {
		542	eval {
		543	$DB->set_flags (BDB::CHKSUM);
		544
		545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		546	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		547	cf::cleanup "db_open(db): $!" if $!;
		548	};
		549	cf::cleanup "db_open(db): $@" if $@;
		550	};
		551	}
		552	}
		553
		554	sub db_get($$) {
		555	my $key = "$_[0]/$_[1]";
		556
		557	cf::sync_job {
		558	BDB::db_get $DB, undef, $key, my $data;
		559
		560	$! ? ()
		561	: $data
		562	}
		563	}
		564
		565	sub db_put($$$) {
		566	BDB::dbreq_pri 4;
		567	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		568	}
		569
		570	=item cf::cache $id => [$paths...], $processversion => $process
		571
		572	Generic caching function that returns the value of the resource $id,
		573	caching and regenerating as required.
		574
		575	This function can block.
		576
		577	=cut
		578
		579	sub cache {
		580	my ($id, $src, $processversion, $process) = @_;
		581
		582	my $meta =
		583	join "\x00",
		584	$processversion,
		585	map {
		586	aio_stat $_
		587	and Carp::croak "$_: $!";
		588
		589	($_, (stat _)[7,9])
		590	} @$src;
		591
		592	my $dbmeta = db_get cache => "$id/meta";
		593	if ($dbmeta ne $meta) {
		594	# changed, we may need to process
		595
		596	my @data;
		597	my $md5;
		598
		599	for (0 .. $#$src) {
		600	0 <= aio_load $src->[$_], $data[$_]
		601	or Carp::croak "$src->[$_]: $!";
		602	}
		603
		604	# if processing is expensive, check
		605	# checksum first
		606	if (1) {
		607	$md5 =
		608	join "\x00",
		609	$processversion,
		610	map {
		611	Coro::cede;
		612	($src->[$_], Digest::MD5::md5_hex $data[$_])
		613	} 0.. $#$src;
		614
		615
		616	my $dbmd5 = db_get cache => "$id/md5";
		617	if ($dbmd5 eq $md5) {
		618	db_put cache => "$id/meta", $meta;
		619
		620	return db_get cache => "$id/data";
		621	}
		622	}
		623
		624	my $t1 = Time::HiRes::time;
		625	my $data = $process->(\@data);
		626	my $t2 = Time::HiRes::time;
		627
		628	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		629
		630	db_put cache => "$id/data", $data;
		631	db_put cache => "$id/md5" , $md5;
		632	db_put cache => "$id/meta", $meta;
		633
		634	return $data;
		635	}
		636
		637	db_get cache => "$id/data"
411	}	638	}
412		639
413	=item cf::datalog type => key => value, ...	640	=item cf::datalog type => key => value, ...
414		641
415	Log a datalog packet of the given type with the given key-value pairs.	642	Log a datalog packet of the given type with the given key-value pairs.
…		…
433	attach callbacks/event handlers (a collection of which is called an "attachment")	660	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
435		662
436	In the following description, CLASS can be any of C<global>, C<object>	663	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	664	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	665	Crossfire TRT).
439		666
440	=over 4	667	=over 4
441		668
442	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
443		670
…		…
606	$registry = $CB_TYPE[$object_type] \|\|= [];	833	$registry = $CB_TYPE[$object_type] \|\|= [];
607		834
608	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] \|\|= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] \|\|= [];
612		839
613	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	841	my $pkg = shift @arg;
615		842
616	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
646	}	873	}
647		874
648	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
649	} else {	876	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	878	}
652		879
653	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
654	}	881	}
655		882
…		…
657	if (ref $_[0]) {	884	if (ref $_[0]) {
658	_object_attach @_;	885	_object_attach @_;
659	} else {	886	} else {
660	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
661	}	888	}
		889	_recalc_want;
662	};	890	};
663		891
664	# all those should be optimised	892	# all those should be optimised
665	sub cf::attachable::detach {	893	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
670	reattach ($obj);	898	reattach ($obj);
671	} else {	899	} else {
672	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
673	}	901	}
		902	_recalc_want;
674	};	903	};
675		904
676	sub cf::attachable::attached {	905	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
678		907
…		…
693	";	922	";
694	die if $@;	923	die if $@;
695	}	924	}
696		925
697	our $override;	926	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	927	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		928
700	sub override {	929	sub override {
701	$override = 1;	930	$override = 1;
702	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
703	}	932	}
704		933
705	sub do_invoke {	934	sub do_invoke {
706	my $event = shift;	935	my $event = shift;
707	my $callbacks = shift;	936	my $callbacks = shift;
708		937
709	@invoke_results = ();	938	@INVOKE_RESULTS = ();
710		939
711	local $override;	940	local $override;
712		941
713	for (@$callbacks) {	942	for (@$callbacks) {
714	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
731		960
732	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
733		962
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	963	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	964	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		966
738	=back	967	=back
739		968
740	=cut	969	=cut
741		970
742	#############################################################################	971	#############################################################################
743	# object support	972	# object support
		973	#
		974
		975	sub _can_merge {
		976	my ($ob1, $ob2) = @_;
		977
		978	local $Storable::canonical = 1;
		979	my $fob1 = Storable::freeze $ob1;
		980	my $fob2 = Storable::freeze $ob2;
		981
		982	$fob1 eq $fob2
		983	}
744		984
745	sub reattach {	985	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	987	my ($obj) = @_;
748		988
…		…
851	or return;	1091	or return;
852	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
853	}	1093	}
854		1094
855	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
856	$filename, length $data, scalar @{$av \|\| []};#d#	1096	$filename, length $data, scalar @{$av \|\| []};
857	return ($data, $av);	1097	return ($data, $av);
858	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
859		1105
860	#############################################################################	1106	#############################################################################
861	# command handling &c	1107	# command handling &c
862		1108
863	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1123	}
878		1124
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1126
881	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
882		1132
883	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
884	called.	1134	called.
885		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
886	=cut	1147	=cut
887		1148
888	sub register_extcmd {	1149	sub register_extcmd {
889	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
890		1151
891	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
892	}	1159	}
893		1160
894	cf::player->attach (	1161	cf::player->attach (
895	on_command => sub {	1162	on_command => sub {
896	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1172	cf::override;
906	},	1173	},
907	on_extcmd => sub {	1174	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
909		1176
910	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1178
912	if (ref $msg) {	1179	if (ref $msg) {
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
914	if (my %reply = $cb->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
915	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
921		1188
922	cf::override;	1189	cf::override;
923	},	1190	},
924	);	1191	);
925		1192
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.perl.#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
961	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1198	next unless -r $path;
963	eval {	1199
964	load_extension $ext;	1200	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1201	my $base = $1;
		1202	my $pkg = $1;
		1203	$pkg =~ s/[^[:word:]]/_/g;
		1204	$pkg = "ext::$pkg";
		1205
		1206	open my $fh, "<:utf8", $path
		1207	or die "$path: $!";
		1208
		1209	my $source = do { local $/; <$fh> };
		1210
		1211	my %ext = (
		1212	path => $path,
		1213	base => $base,
		1214	pkg => $pkg,
		1215	);
		1216
		1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1218	if $source =~ /\A#!.?perl.?#\s(.)$/m;
		1219
		1220	$ext{source} =
		1221	"package $pkg; use strict; use utf8;\n"
		1222	. "#line 1 \"$path\"\n{\n"
		1223	. $source
		1224	. "\n};\n1";
		1225
		1226	$todo{$base} = \%ext;
		1227	}
		1228
		1229	my %done;
		1230	while (%todo) {
		1231	my $progress;
		1232
		1233	while (my ($k, $v) = each %todo) {
		1234	for (split /,\s*/, $v->{meta}{depends}) {
		1235	goto skip
		1236	unless exists $done{$_};
		1237	}
		1238
		1239	warn "... loading '$k' into '$v->{pkg}'\n";
		1240
		1241	unless (eval $v->{source}) {
		1242	my $msg = $@ ? "$v->{path}: $@\n"
		1243	: "$v->{base}: extension inactive.\n";
		1244
		1245	if (exists $v->{meta}{mandatory}) {
		1246	warn $msg;
		1247	warn "mandatory extension failed to load, exiting.\n";
		1248	exit 1;
		1249	}
		1250
		1251	warn $msg;
		1252	}
		1253
		1254	$done{$k} = delete $todo{$k};
		1255	push @EXTS, $v->{pkg};
		1256	$progress = 1;
965	1	1257	}
966	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
967	}	1263	};
968	}	1264	}
969		1265
970	#############################################################################	1266	#############################################################################
		1267
		1268	=back
971		1269
972	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
973		1271
974	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
975		1273
…		…
1163	}	1461	}
1164		1462
1165	\@paths	1463	\@paths
1166	}	1464	}
1167		1465
		1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1467
		1468	Expand crossfire pod fragments into protocol xml.
		1469
		1470	=cut
		1471
		1472	sub expand_cfpod {
		1473	((my $self), (local $_)) = @_;
		1474
		1475	# escape & and <
		1476	s/&/&/g;
		1477	s/(?<![BIUGH])</</g;
		1478
		1479	# this is buggy, it needs to properly take care of nested <'s
		1480
		1481	1 while
		1482	# replace B<>, I<>, U<> etc.
		1483	s/B<([^\>]*)>/<b>$1<\/b>/
		1484	\|\| s/I<([^\>]*)>/<i>$1<\/i>/
		1485	\|\| s/U<([^\>]*)>/<u>$1<\/u>/
		1486	# replace G<male\|female> tags
		1487	\|\| s{G<([^>\|])\\|([^>])>}{
		1488	$self->gender ? $2 : $1
		1489	}ge
		1490	# replace H<hint text>
		1491	\|\| s{H<([^\>]*)>}
		1492	{
		1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1495	"")
		1496	[$self->{hintmode}]
		1497	}ge;
		1498
		1499	# create single paragraphs (very hackish)
		1500	s/(?<=\S)\n(?=\w)/ /g;
		1501
		1502	# compress some whitespace
		1503	s/\s+\n/\n/g; # ws line-ends
		1504	s/\n\n+/\n/g; # double lines
		1505	s/^\n+//; # beginning lines
		1506	s/\n+$//; # ending lines
		1507
		1508	$_
		1509	}
		1510
		1511	sub hintmode {
		1512	$_[0]{hintmode} = $_[1] if @_ > 1;
		1513	$_[0]{hintmode}
		1514	}
		1515
1168	=item $player->ext_reply ($msgid, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1169		1517
1170	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1171		1519
1172	=cut	1520	=cut
1173		1521
1174	sub ext_reply($$%) {	1522	sub ext_reply($$%) {
1175	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1176		1524
1177	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1178		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1527	}
1181		1528
1182	=item $player->ext_event ($type, %msg)	1529	=item $player->ext_event ($type, %msg)
1183		1530
1184	Sends an ext event to the client.	1531	Sends an ext event to the client.
…		…
1199		1546
1200	package cf::region;	1547	package cf::region;
1201		1548
1202	=item cf::region::find_by_path $path	1549	=item cf::region::find_by_path $path
1203		1550
1204	Tries to decuce the probable region for a map knowing only its path.	1551	Tries to decuce the likely region for a map knowing only its path.
1205		1552
1206	=cut	1553	=cut
1207		1554
1208	sub find_by_path($) {	1555	sub find_by_path($) {
1209	my ($path) = @_;	1556	my ($path) = @_;
1210		1557
1211	my ($match, $specificity);	1558	my ($match, $specificity);
1212		1559
1213	for my $region (list) {	1560	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1561	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1562	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1563	if $region->specificity > $specificity;
1217	}	1564	}
1218	}	1565	}
1219		1566
…		…
1283	my ($self, $merge) = @_;	1630	my ($self, $merge) = @_;
1284		1631
1285	# we have to keep some variables in memory intact	1632	# we have to keep some variables in memory intact
1286	local $self->{path};	1633	local $self->{path};
1287	local $self->{load_path};	1634	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1635
1291	$self->SUPER::thawer_merge ($merge);	1636	$self->SUPER::thawer_merge ($merge);
1292	}	1637	}
1293		1638
1294	sub normalise {	1639	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1686	$self->init; # pass $1 etc.
1342	return $self;	1687	return $self;
1343	}	1688	}
1344	}	1689	}
1345		1690
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1692	()
1348	}	1693	}
1349		1694
1350	sub init {	1695	sub init {
1351	my ($self) = @_;	1696	my ($self) = @_;
…		…
1392	sub change_all_map_light {	1737	sub change_all_map_light {
1393	my ($change) = @_;	1738	my ($change) = @_;
1394		1739
1395	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
		1742	}
		1743
		1744	sub decay_objects {
		1745	my ($self) = @_;
		1746
		1747	return if $self->{deny_reset};
		1748
		1749	$self->do_decay_objects;
1397	}	1750	}
1398		1751
1399	sub unlink_save {	1752	sub unlink_save {
1400	my ($self) = @_;	1753	my ($self) = @_;
1401		1754
…		…
1459	$self->load_header_orig	1812	$self->load_header_orig
1460	or return;	1813	or return;
1461	$self->prepare_orig;	1814	$self->prepare_orig;
1462	}	1815	}
1463		1816
		1817	$self->{deny_reset} = 1
		1818	if $self->no_reset;
		1819
1464	$self->default_region (cf::region::find_by_path $self->{path})	1820	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1821	unless $self->default_region;
1466		1822
1467	1	1823	1
1468	}	1824	}
…		…
1483	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1484		1840
1485	$map->load_header	1841	$map->load_header
1486	or return;	1842	or return;
1487		1843
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1845	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1846	#$cf::WAIT_FOR_TICK->wait;
1491	$map->reset;	1847	$map->reset;
1492	undef $guard;	1848	undef $guard;
1493	return find $path;	1849	return find $path;
…		…
1560	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1561		1917
1562	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1919	if $self->per_player;
1564		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
		1923
1565	$self	1924	$self
1566	}	1925	}
1567		1926
1568	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	1928	sub load_diag {
…		…
1615		1974
1616	undef $MAP_PREFETCH{$path};	1975	undef $MAP_PREFETCH{$path};
1617	$MAP_PREFETCHER \|\|= cf::async {	1976	$MAP_PREFETCHER \|\|= cf::async {
1618	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	1978	for my $path (keys %MAP_PREFETCH) {
1620	my $map = find $path	1979	if (my $map = find $path) {
1621	or next;
1622	$map->load;	1980	$map->load;
		1981	}
1623		1982
1624	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$path};
1625	}	1984	}
1626	}	1985	}
1627	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
…		…
1679		2038
1680	sub reset_at {	2039	sub reset_at {
1681	my ($self) = @_;	2040	my ($self) = @_;
1682		2041
1683	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1686		2044
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1689		2047
…		…
1700	my ($self) = @_;	2058	my ($self) = @_;
1701		2059
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2061
1704	return if $self->players;	2062	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2063
1707	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1708		2065
1709	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1710		2067
1711	# need to save uniques path	2068	# need to save uniques path
1712	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1744	$cf::MAP{$self->path} = $self;	2101	$cf::MAP{$self->path} = $self;
1745		2102
1746	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1747	}	2104	}
1748		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
1749	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1750		2143
1751	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2145	instantiated unique items. May block.
1753		2146
1754	=cut	2147	=cut
1755		2148
1756	sub unique_maps() {	2149	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2150	[
1758	or return;	2151	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2152	utf8::decode $_;
1764	next if /\.pst$/;	2153	/\.map$/
1765	next unless /^$PATH_SEP/o;	2154	? normalise $_
1766		2155	: ()
1767	push @paths, cf::map::normalise $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2157	]
1769
1770	\@paths
1771	}	2158	}
1772		2159
1773	package cf;	2160	package cf;
1774		2161
1775	=back	2162	=back
…		…
1821		2208
1822	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
1823		2210
1824	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1826	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $diag = $pl->{npc_dialog};
		2219	$diag->{pl}->ext_reply (
		2220	$diag->{id},
		2221	msgtype => "reply",
		2222	msg => $diag->{pl}->expand_cfpod ($msg),
		2223	add_topics => []
		2224	);
		2225
		2226	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1829	}	2230	}
1830	}	2231	}
1831		2232
1832	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1833		2234
…		…
1881	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1882		2283
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2285
1885	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1887		2288
1888	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);
1889	}	2290	}
1890		2291
1891	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1893		2296
1894	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1895		2298
1896	unless ($map) {	2299	unless ($map) {
1897	# restore original map position	2300	# restore original map position
…		…
1920		2323
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1923	}	2326	}
1924		2327
1925	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2329
1929	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1933	};	2334	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2335
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1960		2339
1961	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2345
1964	$self->enter_link;	2346	$self->enter_link;
1965		2347
1966	(async {	2348	(async {
1967	my $map = eval {	2349	my $map = eval {
1968	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		2357	}
		2358
1970	$map	2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE \| cf::NDI_RED);
		2364	LOG llevError \| logBacktrace, Carp::longmess $@;
1971	} or	2365	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1973		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1975	})->prio (1);	2373	})->prio (1);
1976	}	2374	}
1977		2375
1978	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1979		2377
…		…
2048	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
2050		2448
2051	$self->enter_link;	2449	$self->enter_link;
2052		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
		2454
2053	(async {	2455	(async {
2054	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2457	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
2057		2459
…		…
2084		2486
2085	utf8::encode $text;	2487	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
2087	}	2489	}
2088		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= ~cf::NDI_UNIQUE; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_event (channel_info => %$channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra \|\| length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2521	} else {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	if ($color >= 0) {
		2533	if (0 && $msg =~ /\[/) {
		2534	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2535	} else {
		2536	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
		2537	$self->send_packet ("drawinfo $color $msg")
		2538	}
		2539	}
		2540	}
		2541	}
		2542
2089	=item $client->ext_event ($type, %msg)	2543	=item $client->ext_event ($type, %msg)
2090		2544
2091	Sends an exti event to the client.	2545	Sends an ext event to the client.
2092		2546
2093	=cut	2547	=cut
2094		2548
2095	sub cf::client::ext_event($$%) {	2549	sub cf::client::ext_event($$%) {
2096	my ($self, $type, %msg) = @_;	2550	my ($self, $type, %msg) = @_;
2097		2551
		2552	return unless $self->extcmd;
		2553
2098	$msg{msgtype} = "event_$type";	2554	$msg{msgtype} = "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2100	}	2556	}
2101		2557
2102	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
2103		2559
2104	Queues a query to the client, calling the given callback with	2560	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2561	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2562	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2563
2108	Queries can fail, so check the return code. Or don't, as queries will become	2564	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2565	become reliable at some point in the future.
2110		2566
2111	=cut	2567	=cut
2112		2568
2113	sub cf::client::query {	2569	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2578	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2580
2125	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
2127	}	2585	}
2128		2586
2129	cf::client->attach (	2587	cf::client->attach (
		2588	on_connect => sub {
		2589	my ($ns) = @_;
		2590
		2591	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2592	},
2130	on_reply => sub {	2593	on_reply => sub {
2131	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
2132		2595
2133	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
2134	# get handled first	2597	# get handled first
…		…
2146	} else {	2609	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2611	}
2149	}	2612	}
2150	},	2613	},
		2614	on_exticmd => sub {
		2615	my ($ns, $buf) = @_;
		2616
		2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2618
		2619	if (ref $msg) {
		2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2621	if (my %reply = $cb->($ns, $msg)) {
		2622	$reply{msgid} = $msg->{msgid};
		2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2624	}
		2625	}
		2626	} else {
		2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2628	}
		2629
		2630	cf::override;
		2631	},
2151	);	2632	);
2152		2633
2153	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
2154		2635
2155	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
2204		2685
2205	=pod	2686	=pod
2206		2687
2207	The following functions and methods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
2208		2689
2209	cf::object contr pay_amount pay_player map	2690	cf::object
		2691	contr pay_amount pay_player map x y force_find force_add
		2692	insert remove
		2693
2210	cf::object::player player	2694	cf::object::player
2211	cf::player peaceful	2695	player
2212	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
2213		2702
2214	=cut	2703	=cut
2215		2704
2216	for (	2705	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2707	insert remove)],
2218	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
2221	) {	2711	) {
2222	no strict 'refs';	2712	no strict 'refs';
…		…
2293	=back	2783	=back
2294		2784
2295	=cut	2785	=cut
2296		2786
2297	#############################################################################	2787	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2788	# the server's init and main functions
2473		2789
2474	sub load_facedata($) {	2790	sub load_facedata($) {
2475	my ($path) = @_;	2791	my ($path) = @_;
2476		2792
…		…
2488	{	2804	{
2489	my $faces = $facedata->{faceinfo};	2805	my $faces = $facedata->{faceinfo};
2490		2806
2491	while (my ($face, $info) = each %$faces) {	2807	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	2808	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2809	cf::face::set_visibility $idx, $info->{visibility};
		2810	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2496	Coro::cede;	2813
		2814	cf::cede_to_tick;
2497	}	2815	}
2498		2816
2499	while (my ($face, $info) = each %$faces) {	2817	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	2818	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	2819	my $idx = cf::face::find $face
2502	or next;	2820	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	2821	if (my $smooth = cf::face::find $info->{smooth}) {
		2822	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	2824	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	2825	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	2826	}
2508	Coro::cede;	2827
		2828	cf::cede_to_tick;
2509	}	2829	}
2510	}	2830	}
2511		2831
2512	{	2832	{
2513	my $anims = $facedata->{animinfo};	2833	my $anims = $facedata->{animinfo};
2514		2834
2515	while (my ($anim, $info) = each %$anims) {	2835	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	2836	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	2837	cf::cede_to_tick;
2518	}	2838	}
2519		2839
2520	cf::anim::invalidate_all; # d'oh	2840	cf::anim::invalidate_all; # d'oh
		2841	}
		2842
		2843	{
		2844	# TODO: for gcfclient pleasure, we should give resources
		2845	# that gcfclient doesn't grok a >10000 face index.
		2846	my $res = $facedata->{resource};
		2847	my $enc = JSON::XS->new->utf8->canonical;
		2848
		2849	while (my ($name, $info) = each %$res) {
		2850	my $meta = $enc->encode ({
		2851	name => $name,
		2852	type => $info->{type},
		2853	copyright => $info->{copyright}, #TODO#
		2854	});
		2855
		2856	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;
		2857
		2858	if ($name =~ /\.jpg$/) {
		2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2861	} else {
		2862	my $data = pack "(w/a)", $meta, $info->{data};
		2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2864
		2865	cf::face::set_type $idx, 1;
		2866	cf::face::set_data $idx, 0, $data, $chk;
		2867	}
		2868
		2869	cf::cede_to_tick;
		2870	}
2521	}	2871	}
2522		2872
2523	1	2873	1
2524	}	2874	}
2525		2875
2526	sub reload_regions {	2876	sub reload_regions {
2527	load_resource_file "$MAPDIR/regions"	2877	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	2878	or die "unable to load regions file\n";
		2879
		2880	for (cf::region::list) {
		2881	$_->{match} = qr/$_->{match}/
		2882	if exists $_->{match};
		2883	}
2529	}	2884	}
2530		2885
2531	sub reload_facedata {	2886	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	2887	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	2888	or die "unable to load facedata\n";
2534	}	2889	}
2535		2890
2536	sub reload_archetypes {	2891	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	2892	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	2893	or die "unable to load archetypes\n";
		2894	#d# NEED to laod twice to resolve forward references
		2895	# this really needs to be done in an extra post-pass
		2896	# (which needs to be synchronous, so solve it differently)
		2897	load_resource_file "$DATADIR/archetypes"
		2898	or die "unable to load archetypes\n";
2539	}	2899	}
2540		2900
2541	sub reload_treasures {	2901	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	2902	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	2903	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	2906	sub reload_resources {
2547	warn "reloading resource files...\n";	2907	warn "reloading resource files...\n";
2548		2908
2549	reload_regions;	2909	reload_regions;
2550	reload_facedata;	2910	reload_facedata;
		2911	#reload_archetypes;#d#
2551	reload_archetypes;	2912	reload_archetypes;
2552	reload_treasures;	2913	reload_treasures;
2553		2914
2554	warn "finished reloading resource files\n";	2915	warn "finished reloading resource files\n";
2555	}	2916	}
…		…
2612	},	2973	},
2613	);	2974	);
2614	}	2975	}
2615	}	2976	}
2616		2977
		2978	sub write_runtime {
		2979	my $runtime = "$LOCALDIR/runtime";
		2980
		2981	# first touch the runtime file to show we are still running:
		2982	# the fsync below can take a very very long time.
		2983
		2984	IO::AIO::aio_utime $runtime, undef, undef;
		2985
		2986	my $guard = cf::lock_acquire "write_runtime";
		2987
		2988	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		2989	or return;
		2990
		2991	my $value = $cf::RUNTIME + 90 + 10;
		2992	# 10 is the runtime save interval, for a monotonic clock
		2993	# 60 allows for the watchdog to kill the server.
		2994
		2995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2996	and return;
		2997
		2998	# always fsync - this file is important
		2999	aio_fsync $fh
		3000	and return;
		3001
		3002	# touch it again to show we are up-to-date
		3003	aio_utime $fh, undef, undef;
		3004
		3005	close $fh
		3006	or return;
		3007
		3008	aio_rename "$runtime~", $runtime
		3009	and return;
		3010
		3011	warn "runtime file written.\n";
		3012
		3013	1
		3014	}
		3015
2617	sub emergency_save() {	3016	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3017	my $freeze_guard = cf::freeze_mainloop;
2619		3018
2620	warn "enter emergency perl save\n";	3019	warn "enter emergency perl save\n";
2621		3020
…		…
2696	%EXT_CORO = ();	3095	%EXT_CORO = ();
2697		3096
2698	warn "removing commands";	3097	warn "removing commands";
2699	%COMMAND = ();	3098	%COMMAND = ();
2700		3099
2701	warn "removing ext commands";	3100	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3101	%EXTCMD = ();
		3102	%EXTICMD = ();
2703		3103
2704	warn "unloading/nuking all extensions";	3104	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3105	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3106	warn "... unloading $pkg";
2707		3107
…		…
2825	my $signal = new Coro::Signal;	3225	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3226	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3227	$signal->wait;
2828	}	3228	}
2829		3229
		3230	my $min = 1e6;#d#
		3231	my $avg = 10;
2830	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2831	reentrant => 0,	3233	reentrant => 0,
2832	parked => 1,	3234	parked => 1,
2833	prio => 0,	3235	prio => 0,
2834	at => $NEXT_TICK \|\| $TICK,	3236	at => $NEXT_TICK \|\| $TICK,
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3241	unless ++$bug_warning > 10;
2840	return;	3242	return;
2841	}	3243	}
2842		3244
2843	$NOW = Event::time;	3245	$NOW = $tick_start = Event::time;
2844		3246
2845	cf::server_tick; # one server iteration	3247	cf::server_tick; # one server iteration
		3248
		3249	0 && sync_job {#d#
		3250	for(1..10) {
		3251	my $t = Event::time;
		3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3253	or die;
		3254
		3255	$map->width (50);
		3256	$map->height (50);
		3257	$map->alloc;
		3258	$map->_load_objects ("/tmp/x.map", 1);
		3259	my $t = Event::time - $t;
		3260
		3261	#next unless $t < 0.0013;#d#
		3262	if ($t < $min) {
		3263	$min = $t;
		3264	}
		3265	$avg = $avg * 0.99 + $t * 0.01;
		3266	}
		3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3268	exit 0;
		3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3270	};
2846		3271
2847	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2849		3274
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2856	}	3281	}
2857		3282
2858	# my $AFTER = Event::time;	3283	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#	3284	# warn $AFTER - $NOW;#d#
2860		3285
		3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3287	$sig->send;
		3288	}
		3289	while (my $sig = shift @WAIT_FOR_TICK) {
		3290	$sig->send;
		3291	}
		3292
		3293	$NOW = Event::time;
		3294
2861	# if we are delayed by four ticks or more, skip them all	3295	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3297
2864	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3299	$TICK_WATCHER->start;
2866		3300
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3301	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3303
2874	_post_tick;	3304	_post_tick;
		3305
		3306
2875	},	3307	},
2876	);	3308	);
2877		3309
2878	{	3310	{
2879	BDB::max_poll_time $TICK * 0.1;	3311	BDB::max_poll_time $TICK * 0.1;

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs. Revision 1.314 by root, Mon Jul 23 16:53:15 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.314 by root, Mon Jul 23 16:53:15 2007 UTC