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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.254 by root, Thu Apr 19 11:12:45 2007 UTC vs.
Revision 1.310 by elmex, Mon Jul 16 15:43:49 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
…		…
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.
154		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.
		177
155	=back	178	=back
156		179
157	=cut	180	=cut
158		181
159	BEGIN {	182	BEGIN {
…		…
161	my $msg = join "", @_;	184	my $msg = join "", @_;
162		185
163	$msg .= "\n"	186	$msg .= "\n"
164	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
165		188
166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		190
168	utf8::encode $msg;	191	utf8::encode $msg;
169	LOG llevError, $msg;	192	LOG llevError, $msg;
170	};	193	};
171	}	194	}
…		…
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 $string
235		266
236	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
237		268
…		…
303		334
304	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
305		336
306	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
307		338
308	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
311		343
312	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
315	fast or be very important.	347	fast or be very important.
…		…
318		350
319	sub sync_job(&) {	351	sub sync_job(&) {
320	my ($job) = @_;	352	my ($job) = @_;
321		353
322	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
323	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
325		359
326	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
338		372
339	while ($busy) {	373	while ($busy) {
340	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
341	}	375	}
342		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
343	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
344	} else {	385	} else {
345	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
346		387
347	$job->()	388	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
367		408
368	$coro	409	$coro
369	}	410	}
370		411
371	sub write_runtime {	412	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		413
374	my $runtime = "$LOCALDIR/runtime";	414	Executes the given code block with the given arguments in a seperate
		415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
375		418
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	419	=cut
377	or return;
378		420
379	my $value = $cf::RUNTIME + 90 + 10;	421	sub _store_scalar {
380	# 10 is the runtime save interval, for a monotonic clock	422	open my $fh, ">", \my $buf
381	# 60 allows for the watchdog to kill the server.	423	or die "fork_call: cannot open fh-to-buf in child : $!";
382		424	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	425	close $fh;
391	or return;
392		426
393	aio_rename "$runtime~", $runtime	427	$buf
394	and return;	428	}
395		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
396	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
397	}	588	}
398		589
399	=item cf::datalog type => key => value, ...	590	=item cf::datalog type => key => value, ...
400		591
401	Log a datalog packet of the given type with the given key-value pairs.	592	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")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
421		612
422	In the following description, CLASS can be any of C<global>, C<object>	613	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	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	615	Crossfire TRT).
425		616
426	=over 4	617	=over 4
427		618
428	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
429		620
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
593		784
594	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		789
599	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	791	my $pkg = shift @arg;
601		792
602	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
632	}	823	}
633		824
634	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
635	} else {	826	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	828	}
638		829
639	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
640	}	831	}
641		832
…		…
643	if (ref $_[0]) {	834	if (ref $_[0]) {
644	_object_attach @_;	835	_object_attach @_;
645	} else {	836	} else {
646	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
647	}	838	}
		839	_recalc_want;
648	};	840	};
649		841
650	# all those should be optimised	842	# all those should be optimised
651	sub cf::attachable::detach {	843	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
656	reattach ($obj);	848	reattach ($obj);
657	} else {	849	} else {
658	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
659	}	851	}
		852	_recalc_want;
660	};	853	};
661		854
662	sub cf::attachable::attached {	855	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
664		857
…		…
679	";	872	";
680	die if $@;	873	die if $@;
681	}	874	}
682		875
683	our $override;	876	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		878
686	sub override {	879	sub override {
687	$override = 1;	880	$override = 1;
688	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
689	}	882	}
690		883
691	sub do_invoke {	884	sub do_invoke {
692	my $event = shift;	885	my $event = shift;
693	my $callbacks = shift;	886	my $callbacks = shift;
694		887
695	@invoke_results = ();	888	@INVOKE_RESULTS = ();
696		889
697	local $override;	890	local $override;
698		891
699	for (@$callbacks) {	892	for (@$callbacks) {
700	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
717		910
718	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
719		912
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	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	914	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		916
724	=back	917	=back
725		918
726	=cut	919	=cut
727		920
…		…
837	or return;	1030	or return;
838	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1032	}
840		1033
841	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
843	return ($data, $av);	1036	return ($data, $av);
844	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
845		1044
846	#############################################################################	1045	#############################################################################
847	# command handling &c	1046	# command handling &c
848		1047
849	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1062	}
864		1063
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1065
867	Register a callbackf ro execution when the client sends an extcmd packet.	1066	Register a callback for execution when the client sends an (synchronous)
		1067	extcmd packet. Ext commands will be processed in the order they are
		1068	received by the server, like other user commands. The first argument is
		1069	the logged-in player. Ext commands can only be processed after a player
		1070	has logged in successfully.
868		1071
869	If the callback returns something, it is sent back as if reply was being	1072	If the callback returns something, it is sent back as if reply was being
870	called.	1073	called.
871		1074
		1075	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1076
		1077	Register a callback for execution when the client sends an (asynchronous)
		1078	exticmd packet. Exti commands are processed by the server as soon as they
		1079	are received, i.e. out of order w.r.t. other commands. The first argument
		1080	is a client socket. Exti commands can be received anytime, even before
		1081	log-in.
		1082
		1083	If the callback returns something, it is sent back as if reply was being
		1084	called.
		1085
872	=cut	1086	=cut
873		1087
874	sub register_extcmd {	1088	sub register_extcmd {
875	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
876		1090
877	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
878	}	1098	}
879		1099
880	cf::player->attach (	1100	cf::player->attach (
881	on_command => sub {	1101	on_command => sub {
882	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1111	cf::override;
892	},	1112	},
893	on_extcmd => sub {	1113	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
895		1115
896	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1117
898	if (ref $msg) {	1118	if (ref $msg) {
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
900	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
901	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
907		1127
908	cf::override;	1128	cf::override;
909	},	1129	},
910	);	1130	);
911		1131
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 {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
947	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1137	next unless -r $path;
949	eval {	1138
950	load_extension $ext;	1139	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1140	my $base = $1;
		1141	my $pkg = $1;
		1142	$pkg =~ s/[^[:word:]]/_/g;
		1143	$pkg = "ext::$pkg";
		1144
		1145	open my $fh, "<:utf8", $path
		1146	or die "$path: $!";
		1147
		1148	my $source = do { local $/; <$fh> };
		1149
		1150	my %ext = (
		1151	path => $path,
		1152	base => $base,
		1153	pkg => $pkg,
		1154	);
		1155
		1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1158
		1159	$ext{source} =
		1160	"package $pkg; use strict; use utf8;\n"
		1161	. "#line 1 \"$path\"\n{\n"
		1162	. $source
		1163	. "\n};\n1";
		1164
		1165	$todo{$base} = \%ext;
		1166	}
		1167
		1168	my %done;
		1169	while (%todo) {
		1170	my $progress;
		1171
		1172	while (my ($k, $v) = each %todo) {
		1173	for (split /,\s*/, $v->{meta}{depends}) {
		1174	goto skip
		1175	unless exists $done{$_};
		1176	}
		1177
		1178	warn "... loading '$k' into '$v->{pkg}'\n";
		1179
		1180	unless (eval $v->{source}) {
		1181	my $msg = $@ ? "$v->{path}: $@\n"
		1182	: "$v->{base}: extension inactive.\n";
		1183
		1184	if (exists $v->{meta}{mandatory}) {
		1185	warn $msg;
		1186	warn "mandatory extension failed to load, exiting.\n";
		1187	exit 1;
		1188	}
		1189
		1190	warn $msg;
		1191	}
		1192
		1193	$done{$k} = delete $todo{$k};
		1194	push @EXTS, $v->{pkg};
		1195	$progress = 1;
951	1	1196	}
952	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
953	}	1202	};
954	}	1203	}
955		1204
956	#############################################################################	1205	#############################################################################
		1206
		1207	=back
957		1208
958	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
959		1210
960	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
961		1212
…		…
1149	}	1400	}
1150		1401
1151	\@paths	1402	\@paths
1152	}	1403	}
1153		1404
		1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1406
		1407	Expand crossfire pod fragments into protocol xml.
		1408
		1409	=cut
		1410
		1411	sub expand_cfpod {
		1412	((my $self), (local $_)) = @_;
		1413
		1414	# escape & and <
		1415	s/&/&amp;/g;
		1416	s/(?<![BIUGH])</&lt;/g;
		1417
		1418	# this is buggy, it needs to properly take care of nested <'s
		1419
		1420	1 while
		1421	# replace B<>, I<>, U<> etc.
		1422	s/B<([^\>]*)>/<b>$1<\/b>/
		1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1425	# replace G<male|female> tags
		1426	|| s{G<([^>|]*)\|([^>]*)>}{
		1427	$self->gender ? $2 : $1
		1428	}ge
		1429	# replace H<hint text>
		1430	|| s{H<([^\>]*)>}
		1431	{
		1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1434	"")
		1435	[$self->{hintmode}]
		1436	}ge;
		1437
		1438	# create single paragraphs (very hackish)
		1439	s/(?<=\S)\n(?=\w)/ /g;
		1440
		1441	# compress some whitespace
		1442	s/\s+\n/\n/g; # ws line-ends
		1443	s/\n\n+/\n/g; # double lines
		1444	s/^\n+//; # beginning lines
		1445	s/\n+$//; # ending lines
		1446
		1447	$_
		1448	}
		1449
		1450	sub hintmode {
		1451	$_[0]{hintmode} = $_[1] if @_ > 1;
		1452	$_[0]{hintmode}
		1453	}
		1454
1154	=item $player->ext_reply ($msgid, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1155		1456
1156	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1157		1458
1158	=cut	1459	=cut
1159		1460
1160	sub ext_reply($$%) {	1461	sub ext_reply($$%) {
1161	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1162		1463
1163	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1164		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1466	}
1167		1467
1168	=item $player->ext_event ($type, %msg)	1468	=item $player->ext_event ($type, %msg)
1169		1469
1170	Sends an ext event to the client.	1470	Sends an ext event to the client.
…		…
1185		1485
1186	package cf::region;	1486	package cf::region;
1187		1487
1188	=item cf::region::find_by_path $path	1488	=item cf::region::find_by_path $path
1189		1489
1190	Tries to decuce the probable region for a map knowing only its path.	1490	Tries to decuce the likely region for a map knowing only its path.
1191		1491
1192	=cut	1492	=cut
1193		1493
1194	sub find_by_path($) {	1494	sub find_by_path($) {
1195	my ($path) = @_;	1495	my ($path) = @_;
1196		1496
1197	my ($match, $specificity);	1497	my ($match, $specificity);
1198		1498
1199	for my $region (list) {	1499	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1500	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1501	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1502	if $region->specificity > $specificity;
1203	}	1503	}
1204	}	1504	}
1205		1505
…		…
1269	my ($self, $merge) = @_;	1569	my ($self, $merge) = @_;
1270		1570
1271	# we have to keep some variables in memory intact	1571	# we have to keep some variables in memory intact
1272	local $self->{path};	1572	local $self->{path};
1273	local $self->{load_path};	1573	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1574
1277	$self->SUPER::thawer_merge ($merge);	1575	$self->SUPER::thawer_merge ($merge);
1278	}	1576	}
1279		1577
1280	sub normalise {	1578	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1625	$self->init; # pass $1 etc.
1328	return $self;	1626	return $self;
1329	}	1627	}
1330	}	1628	}
1331		1629
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1631	()
1334	}	1632	}
1335		1633
1336	sub init {	1634	sub init {
1337	my ($self) = @_;	1635	my ($self) = @_;
…		…
1378	sub change_all_map_light {	1676	sub change_all_map_light {
1379	my ($change) = @_;	1677	my ($change) = @_;
1380		1678
1381	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
		1681	}
		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
1383	}	1689	}
1384		1690
1385	sub unlink_save {	1691	sub unlink_save {
1386	my ($self) = @_;	1692	my ($self) = @_;
1387		1693
…		…
1445	$self->load_header_orig	1751	$self->load_header_orig
1446	or return;	1752	or return;
1447	$self->prepare_orig;	1753	$self->prepare_orig;
1448	}	1754	}
1449		1755
		1756	$self->{deny_reset} = 1
		1757	if $self->no_reset;
		1758
1450	$self->default_region (cf::region::find_by_path $self->{path})	1759	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1760	unless $self->default_region;
1452		1761
1453	1	1762	1
1454	}	1763	}
…		…
1469	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1470		1779
1471	$map->load_header	1780	$map->load_header
1472	or return;	1781	or return;
1473		1782
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1784	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1785	#$cf::WAIT_FOR_TICK->wait;
1477	$map->reset;	1786	$map->reset;
1478	undef $guard;	1787	undef $guard;
1479	return find $path;	1788	return find $path;
…		…
1490	my ($self) = @_;	1799	my ($self) = @_;
1491		1800
1492	local $self->{deny_reset} = 1; # loading can take a long time	1801	local $self->{deny_reset} = 1; # loading can take a long time
1493		1802
1494	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1495	my $guard = cf::lock_acquire "map_load:$path";	1806	my $guard = cf::lock_acquire "map_load:$path";
1496		1807
1497	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1498		1809
1499	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1500		1811
1501	$self->alloc;	1812	$self->alloc;
1502		1813
1503	$self->pre_load;	1814	$self->pre_load;
1504	Coro::cede;
1505
1506	$self->_load_objects ($self->{load_path}, 1)
1507	or return;
1508
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1510	if delete $self->{load_original};
1511
1512	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {
1515	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);
1517	}
1518	}
1519
1520	Coro::cede;
1521	# now do the right thing for maps
1522	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;	1815	Coro::cede;
1530	$self->set_darkness_map;	1816
		1817	$self->_load_objects ($self->{load_path}, 1)
		1818	or return;
		1819
		1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1821	if delete $self->{load_original};
		1822
		1823	if (my $uniq = $self->uniq_path) {
		1824	utf8::encode $uniq;
		1825	if (aio_open $uniq, O_RDONLY, 0) {
		1826	$self->clear_unique_items;
		1827	$self->_load_objects ($uniq, 0);
		1828	}
		1829	}
		1830
		1831	Coro::cede;
		1832	# now do the right thing for maps
		1833	$self->link_multipart_objects;
1531	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	1835	unless $self->difficulty;
1533	Coro::cede;	1836	Coro::cede;
		1837
		1838	unless ($self->{deny_activate}) {
		1839	$self->decay_objects;
		1840	$self->fix_auto_apply;
		1841	$self->update_buttons;
		1842	Coro::cede;
		1843	$self->set_darkness_map;
		1844	Coro::cede;
1534	$self->activate;	1845	$self->activate;
1535	Coro::cede;	1846	}
		1847
		1848	$self->in_memory (cf::MAP_IN_MEMORY);
1536	}	1849	}
1537		1850
1538	$self->post_load;	1851	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	1852	}
1543		1853
1544	sub customise_for {	1854	sub customise_for {
1545	my ($self, $ob) = @_;	1855	my ($self, $ob) = @_;
1546		1856
1547	return find "~" . $ob->name . "/" . $self->{path}	1857	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
1549		1862
1550	$self	1863	$self
1551	}	1864	}
1552		1865
1553	# find and load all maps in the 3x3 area around a map	1866	# find and load all maps in the 3x3 area around a map
…		…
1600		1913
1601	undef $MAP_PREFETCH{$path};	1914	undef $MAP_PREFETCH{$path};
1602	$MAP_PREFETCHER ||= cf::async {	1915	$MAP_PREFETCHER ||= cf::async {
1603	while (%MAP_PREFETCH) {	1916	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	1917	for my $path (keys %MAP_PREFETCH) {
1605	my $map = find $path	1918	if (my $map = find $path) {
1606	or next;
1607	$map->load;	1919	$map->load;
		1920	}
1608		1921
1609	delete $MAP_PREFETCH{$path};	1922	delete $MAP_PREFETCH{$path};
1610	}	1923	}
1611	}	1924	}
1612	undef $MAP_PREFETCHER;	1925	undef $MAP_PREFETCHER;
…		…
1664		1977
1665	sub reset_at {	1978	sub reset_at {
1666	my ($self) = @_;	1979	my ($self) = @_;
1667		1980
1668	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1671		1983
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		1986
…		…
1685	my ($self) = @_;	1997	my ($self) = @_;
1686		1998
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2000
1689	return if $self->players;	2001	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2002
1692	warn "resetting map ", $self->path;#d#	2003	warn "resetting map ", $self->path;
1693		2004
1694	$self->in_memory (cf::MAP_SWAPPED);	2005	$self->in_memory (cf::MAP_SWAPPED);
1695		2006
1696	# need to save uniques path	2007	# need to save uniques path
1697	unless ($self->{deny_save}) {	2008	unless ($self->{deny_save}) {
…		…
1729	$cf::MAP{$self->path} = $self;	2040	$cf::MAP{$self->path} = $self;
1730		2041
1731	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1732	}	2043	}
1733		2044
		2045	=item $maps = cf::map::tmp_maps
		2046
		2047	Returns an arrayref with all map paths of currently instantiated and saved
		2048	maps. May block.
		2049
		2050	=cut
		2051
		2052	sub tmp_maps() {
		2053	[
		2054	map {
		2055	utf8::decode $_;
		2056	/\.map$/
		2057	? normalise $_
		2058	: ()
		2059	} @{ aio_readdir $TMPDIR or [] }
		2060	]
		2061	}
		2062
		2063	=item $maps = cf::map::random_maps
		2064
		2065	Returns an arrayref with all map paths of currently instantiated and saved
		2066	random maps. May block.
		2067
		2068	=cut
		2069
		2070	sub random_maps() {
		2071	[
		2072	map {
		2073	utf8::decode $_;
		2074	/\.map$/
		2075	? normalise "?random/$_"
		2076	: ()
		2077	} @{ aio_readdir $RANDOMDIR or [] }
		2078	]
		2079	}
		2080
1734	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1735		2082
1736	Returns an arrayref of paths of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2084	instantiated unique items. May block.
1738		2085
1739	=cut	2086	=cut
1740		2087
1741	sub unique_maps() {	2088	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2089	[
1743	or return;	2090	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2091	utf8::decode $_;
1749	next if /\.pst$/;	2092	/\.map$/
1750	next unless /^$PATH_SEP/o;	2093	? normalise $_
1751		2094	: ()
1752	push @paths, cf::map::normalise $_;	2095	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2096	]
1754
1755	\@paths
1756	}	2097	}
1757		2098
1758	package cf;	2099	package cf;
1759		2100
1760	=back	2101	=back
…		…
1806		2147
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2149
1809	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1811	} else {	2153	} else {
		2154	my $pl = $self->contr;
		2155
		2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2157	my $diag = $pl->{npc_dialog};
		2158	$diag->{pl}->ext_reply (
		2159	$diag->{id},
		2160	msgtype => "reply",
		2161	msg => $diag->{pl}->expand_cfpod ($msg),
		2162	add_topics => []
		2163	);
		2164
		2165	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1814	}	2169	}
1815	}	2170	}
1816		2171
1817	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1818		2173
…		…
1866	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1867		2222
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2224
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1872		2227
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2229	}
1875		2230
1876	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1878		2235
1879	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1880		2237
1881	unless ($map) {	2238	unless ($map) {
1882	# restore original map position	2239	# restore original map position
…		…
1905		2262
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1908	}	2265	}
1909		2266
1910	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2268
1914	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1918	};	2273	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2274
1924	# try to abort aborted map switching on player login :)
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1945		2278
1946	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2280	my ($self, $path, $x, $y, $check, $done) = @_;
		2281
		2282	# do generation counting so two concurrent goto's will be executed in-order
		2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2284
1949	$self->enter_link;	2285	$self->enter_link;
1950		2286
1951	(async {	2287	(async {
1952	my $map = eval {	2288	my $map = eval {
1953	my $map = cf::map::find $path;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
		2293	$map = $check->($map) if $check && $map;
		2294	} else {
		2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	}
		2297
1955	$map	2298	$map
		2299	};
		2300
		2301	if ($@) {
		2302	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2303	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2304	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1960	})->prio (1);	2312	})->prio (1);
1961	}	2313	}
1962		2314
1963	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1964		2316
…		…
2033	my $hp = $exit->stats->hp;	2385	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;	2386	my $sp = $exit->stats->sp;
2035		2387
2036	$self->enter_link;	2388	$self->enter_link;
2037		2389
		2390	# if exit is damned, update players death & WoR home-position
		2391	$self->contr->savebed ($slaying, $hp, $sp)
		2392	if $exit->flag (FLAG_DAMNED);
		2393
2038	(async {	2394	(async {
2039	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
2040	unless (eval {	2396	unless (eval {
2041	$self->goto ($slaying, $hp, $sp);	2397	$self->goto ($slaying, $hp, $sp);
2042		2398
…		…
2069		2425
2070	utf8::encode $text;	2426	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2428	}
2073		2429
		2430	=item $client->send_msg ($color, $type, $msg, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$type> should be a string identifying the type of
		2434	the message, with C<log> being the default. If C<$color> is negative, suppress
		2435	the message unless the client supports the msg packet.
		2436
		2437	=cut
		2438
		2439	sub cf::client::send_msg {
		2440	my ($self, $color, $type, $msg, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	if ($self->can_msg) {
		2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2448	} else {
		2449	# replace some tags by gcfclient-compatible ones
		2450	for ($msg) {
		2451	1 while
		2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2457	}
		2458
		2459	if ($color >= 0) {
		2460	if (0 && $msg =~ /\[/) {
		2461	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2462	} else {
		2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2464	$self->send_packet ("drawinfo $color $msg")
		2465	}
		2466	}
		2467	}
		2468	}
		2469
2074	=item $client->ext_event ($type, %msg)	2470	=item $client->ext_event ($type, %msg)
2075		2471
2076	Sends an exti event to the client.	2472	Sends an ext event to the client.
2077		2473
2078	=cut	2474	=cut
2079		2475
2080	sub cf::client::ext_event($$%) {	2476	sub cf::client::ext_event($$%) {
2081	my ($self, $type, %msg) = @_;	2477	my ($self, $type, %msg) = @_;
2082		2478
		2479	return unless $self->extcmd;
		2480
2083	$msg{msgtype} = "event_$type";	2481	$msg{msgtype} = "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2085	}	2483	}
2086		2484
2087	=item $success = $client->query ($flags, "text", \&cb)	2485	=item $success = $client->query ($flags, "text", \&cb)
2088		2486
2089	Queues a query to the client, calling the given callback with	2487	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2488	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2489	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2490
2093	Queries can fail, so check the return code. Or don't, as queries will become	2491	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2492	become reliable at some point in the future.
2095		2493
2096	=cut	2494	=cut
2097		2495
2098	sub cf::client::query {	2496	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2497	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2505	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2506	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2507
2110	$self->send_packet ($self->{query_queue}[0][0])	2508	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2509	if @{ $self->{query_queue} } == 1;
		2510
		2511	1
2112	}	2512	}
2113		2513
2114	cf::client->attach (	2514	cf::client->attach (
		2515	on_connect => sub {
		2516	my ($ns) = @_;
		2517
		2518	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2519	},
2115	on_reply => sub {	2520	on_reply => sub {
2116	my ($ns, $msg) = @_;	2521	my ($ns, $msg) = @_;
2117		2522
2118	# this weird shuffling is so that direct followup queries	2523	# this weird shuffling is so that direct followup queries
2119	# get handled first	2524	# get handled first
…		…
2131	} else {	2536	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2537	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2538	}
2134	}	2539	}
2135	},	2540	},
		2541	on_exticmd => sub {
		2542	my ($ns, $buf) = @_;
		2543
		2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2545
		2546	if (ref $msg) {
		2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2548	if (my %reply = $cb->($ns, $msg)) {
		2549	$reply{msgid} = $msg->{msgid};
		2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2551	}
		2552	}
		2553	} else {
		2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2555	}
		2556
		2557	cf::override;
		2558	},
2136	);	2559	);
2137		2560
2138	=item $client->async (\&cb)	2561	=item $client->async (\&cb)
2139		2562
2140	Create a new coroutine, running the specified callback. The coroutine will	2563	Create a new coroutine, running the specified callback. The coroutine will
…		…
2189		2612
2190	=pod	2613	=pod
2191		2614
2192	The following functions and methods are available within a safe environment:	2615	The following functions and methods are available within a safe environment:
2193		2616
2194	cf::object contr pay_amount pay_player map	2617	cf::object
		2618	contr pay_amount pay_player map x y force_find force_add
		2619	insert remove
		2620
2195	cf::object::player player	2621	cf::object::player
2196	cf::player peaceful	2622	player
2197	cf::map trigger	2623
		2624	cf::player
		2625	peaceful
		2626
		2627	cf::map
		2628	trigger
2198		2629
2199	=cut	2630	=cut
2200		2631
2201	for (	2632	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2634	insert remove)],
2203	["cf::object::player" => qw(player)],	2635	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	2636	["cf::player" => qw(peaceful)],
2205	["cf::map" => qw(trigger)],	2637	["cf::map" => qw(trigger)],
2206	) {	2638	) {
2207	no strict 'refs';	2639	no strict 'refs';
…		…
2278	=back	2710	=back
2279		2711
2280	=cut	2712	=cut
2281		2713
2282	#############################################################################	2714	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	2715	# the server's init and main functions
2457		2716
2458	sub load_facedata($) {	2717	sub load_facedata($) {
2459	my ($path) = @_;	2718	my ($path) = @_;
2460		2719
…		…
2472	{	2731	{
2473	my $faces = $facedata->{faceinfo};	2732	my $faces = $facedata->{faceinfo};
2474		2733
2475	while (my ($face, $info) = each %$faces) {	2734	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2736	cf::face::set_visibility $idx, $info->{visibility};
		2737	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2480	Coro::cede;	2740
		2741	cf::cede_to_tick;
2481	}	2742	}
2482		2743
2483	while (my ($face, $info) = each %$faces) {	2744	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	2745	next unless $info->{smooth};
2485	my $idx = cf::face::find $face	2746	my $idx = cf::face::find $face
2486	or next;	2747	or next;
2487	if (my $smooth = cf::face::find $info->{smooth}) {	2748	if (my $smooth = cf::face::find $info->{smooth}) {
		2749	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	2751	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	2752	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	2753	}
2492	Coro::cede;	2754
		2755	cf::cede_to_tick;
2493	}	2756	}
2494	}	2757	}
2495		2758
2496	{	2759	{
2497	my $anims = $facedata->{animinfo};	2760	my $anims = $facedata->{animinfo};
2498		2761
2499	while (my ($anim, $info) = each %$anims) {	2762	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	2763	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	2764	cf::cede_to_tick;
2502	}	2765	}
2503		2766
2504	cf::anim::invalidate_all; # d'oh	2767	cf::anim::invalidate_all; # d'oh
		2768	}
		2769
		2770	{
		2771	# TODO: for gcfclient pleasure, we should give resources
		2772	# that gcfclient doesn't grok a >10000 face index.
		2773	my $res = $facedata->{resource};
		2774	my $enc = JSON::XS->new->utf8->canonical;
		2775
		2776	while (my ($name, $info) = each %$res) {
		2777	my $meta = $enc->encode ({
		2778	name => $name,
		2779	type => $info->{type},
		2780	copyright => $info->{copyright}, #TODO#
		2781	});
		2782
		2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2784
		2785	if ($name =~ /\.jpg$/) {
		2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2788	} else {
		2789	my $data = pack "(w/a*)*", $meta, $info->{data};
		2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2791
		2792	cf::face::set_type $idx, 1;
		2793	cf::face::set_data $idx, 0, $data, $chk;
		2794	}
		2795
		2796	cf::cede_to_tick;
		2797	}
2505	}	2798	}
2506		2799
2507	1	2800	1
2508	}	2801	}
2509		2802
2510	sub reload_regions {	2803	sub reload_regions {
2511	load_resource_file "$MAPDIR/regions"	2804	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	2805	or die "unable to load regions file\n";
		2806
		2807	for (cf::region::list) {
		2808	$_->{match} = qr/$_->{match}/
		2809	if exists $_->{match};
		2810	}
2513	}	2811	}
2514		2812
2515	sub reload_facedata {	2813	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	2814	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	2815	or die "unable to load facedata\n";
2518	}	2816	}
2519		2817
2520	sub reload_archetypes {	2818	sub reload_archetypes {
2521	load_resource_file "$DATADIR/archetypes"	2819	load_resource_file "$DATADIR/archetypes"
2522	or die "unable to load archetypes\n";	2820	or die "unable to load archetypes\n";
		2821	#d# NEED to laod twice to resolve forward references
		2822	# this really needs to be done in an extra post-pass
		2823	# (which needs to be synchronous, so solve it differently)
		2824	load_resource_file "$DATADIR/archetypes"
		2825	or die "unable to load archetypes\n";
2523	}	2826	}
2524		2827
2525	sub reload_treasures {	2828	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	2829	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	2830	or die "unable to load treasurelists\n";
…		…
2530	sub reload_resources {	2833	sub reload_resources {
2531	warn "reloading resource files...\n";	2834	warn "reloading resource files...\n";
2532		2835
2533	reload_regions;	2836	reload_regions;
2534	reload_facedata;	2837	reload_facedata;
		2838	#reload_archetypes;#d#
2535	reload_archetypes;	2839	reload_archetypes;
2536	reload_treasures;	2840	reload_treasures;
2537		2841
2538	warn "finished reloading resource files\n";	2842	warn "finished reloading resource files\n";
2539	}	2843	}
…		…
2596	},	2900	},
2597	);	2901	);
2598	}	2902	}
2599	}	2903	}
2600		2904
		2905	sub write_runtime {
		2906	my $runtime = "$LOCALDIR/runtime";
		2907
		2908	# first touch the runtime file to show we are still running:
		2909	# the fsync below can take a very very long time.
		2910
		2911	IO::AIO::aio_utime $runtime, undef, undef;
		2912
		2913	my $guard = cf::lock_acquire "write_runtime";
		2914
		2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2916	or return;
		2917
		2918	my $value = $cf::RUNTIME + 90 + 10;
		2919	# 10 is the runtime save interval, for a monotonic clock
		2920	# 60 allows for the watchdog to kill the server.
		2921
		2922	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2923	and return;
		2924
		2925	# always fsync - this file is important
		2926	aio_fsync $fh
		2927	and return;
		2928
		2929	# touch it again to show we are up-to-date
		2930	aio_utime $fh, undef, undef;
		2931
		2932	close $fh
		2933	or return;
		2934
		2935	aio_rename "$runtime~", $runtime
		2936	and return;
		2937
		2938	warn "runtime file written.\n";
		2939
		2940	1
		2941	}
		2942
2601	sub emergency_save() {	2943	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	2944	my $freeze_guard = cf::freeze_mainloop;
2603		2945
2604	warn "enter emergency perl save\n";	2946	warn "enter emergency perl save\n";
2605		2947
…		…
2680	%EXT_CORO = ();	3022	%EXT_CORO = ();
2681		3023
2682	warn "removing commands";	3024	warn "removing commands";
2683	%COMMAND = ();	3025	%COMMAND = ();
2684		3026
2685	warn "removing ext commands";	3027	warn "removing ext/exti commands";
2686	%EXTCMD = ();	3028	%EXTCMD = ();
		3029	%EXTICMD = ();
2687		3030
2688	warn "unloading/nuking all extensions";	3031	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3032	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3033	warn "... unloading $pkg";
2691		3034
…		…
2809	my $signal = new Coro::Signal;	3152	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3153	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3154	$signal->wait;
2812	}	3155	}
2813		3156
		3157	my $min = 1e6;#d#
		3158	my $avg = 10;
2814	$TICK_WATCHER = Event->timer (	3159	$TICK_WATCHER = Event->timer (
2815	reentrant => 0,	3160	reentrant => 0,
2816	parked => 1,	3161	parked => 1,
2817	prio => 0,	3162	prio => 0,
2818	at => $NEXT_TICK || $TICK,	3163	at => $NEXT_TICK || $TICK,
…		…
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3168	unless ++$bug_warning > 10;
2824	return;	3169	return;
2825	}	3170	}
2826		3171
2827	$NOW = Event::time;	3172	$NOW = $tick_start = Event::time;
2828		3173
2829	cf::server_tick; # one server iteration	3174	cf::server_tick; # one server iteration
		3175
		3176	0 && sync_job {#d#
		3177	for(1..10) {
		3178	my $t = Event::time;
		3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3180	or die;
		3181
		3182	$map->width (50);
		3183	$map->height (50);
		3184	$map->alloc;
		3185	$map->_load_objects ("/tmp/x.map", 1);
		3186	my $t = Event::time - $t;
		3187
		3188	#next unless $t < 0.0013;#d#
		3189	if ($t < $min) {
		3190	$min = $t;
		3191	}
		3192	$avg = $avg * 0.99 + $t * 0.01;
		3193	}
		3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3195	exit 0;
		3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3197	};
2830		3198
2831	$RUNTIME += $TICK;	3199	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;	3200	$NEXT_TICK += $TICK;
2833		3201
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2840	}	3208	}
2841		3209
2842	# my $AFTER = Event::time;	3210	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#	3211	# warn $AFTER - $NOW;#d#
2844		3212
		3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3214	$sig->send;
		3215	}
		3216	while (my $sig = shift @WAIT_FOR_TICK) {
		3217	$sig->send;
		3218	}
		3219
		3220	$NOW = Event::time;
		3221
2845	# if we are delayed by four ticks or more, skip them all	3222	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2847		3224
2848	$TICK_WATCHER->at ($NEXT_TICK);	3225	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;	3226	$TICK_WATCHER->start;
2850		3227
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3228	$LOAD = ($NOW - $tick_start) / $TICK;
2852	$sig->send;	3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2853	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;
2856	}
2857		3230
2858	_post_tick;	3231	_post_tick;
		3232
		3233
2859	},	3234	},
2860	);	3235	);
2861		3236
2862	{	3237	{
2863	BDB::max_poll_time $TICK * 0.1;	3238	BDB::max_poll_time $TICK * 0.1;
…		…
2922	prio => 6,	3297	prio => 6,
2923	cb => \&IO::AIO::poll_cb,	3298	cb => \&IO::AIO::poll_cb,
2924	);	3299	);
2925	}	3300	}
2926		3301
		3302	my $_log_backtrace;
		3303
		3304	sub _log_backtrace {
		3305	my ($msg, @addr) = @_;
		3306
		3307	$msg =~ s/\n//;
		3308
		3309	# limit the # of concurrent backtraces
		3310	if ($_log_backtrace < 2) {
		3311	++$_log_backtrace;
		3312	async {
		3313	my @bt = fork_call {
		3314	@addr = map { sprintf "%x", $_ } @addr;
		3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3317	or die "addr2line: $!";
		3318
		3319	my @funcs;
		3320	my @res = <$fh>;
		3321	chomp for @res;
		3322	while (@res) {
		3323	my ($func, $line) = splice @res, 0, 2, ();
		3324	push @funcs, "[$func] $line";
		3325	}
		3326
		3327	@funcs
		3328	};
		3329
		3330	LOG llevInfo, "[ABT] $msg\n";
		3331	LOG llevInfo, "[ABT] $_\n" for @bt;
		3332	--$_log_backtrace;
		3333	};
		3334	} else {
		3335	LOG llevInfo, "[ABT] $msg\n";
		3336	LOG llevInfo, "[ABT] [suppressed]\n";
		3337	}
		3338	}
		3339
2927	# load additional modules	3340	# load additional modules
2928	use cf::pod;	3341	use cf::pod;
2929		3342
2930	END { cf::emergency_save }	3343	END { cf::emergency_save }
2931		3344

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