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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.291 by root, Tue Jul 3 00:54:44 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.61 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
21	use Coro::Storable;	23	use Coro::Storable;
22		24
		25	use JSON::XS 1.4 ();
23	use BDB ();	26	use BDB ();
24	use Data::Dumper;	27	use Data::Dumper;
25	use Digest::MD5;	28	use Digest::MD5;
26	use Fcntl;	29	use Fcntl;
27	use YAML::Syck ();	30	use YAML::Syck ();
…		…
47	our %COMMAND = ();	50	our %COMMAND = ();
48	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
49		52
50	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
54		58
55	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
56	our @EVENT;	60	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	61
		62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
58		73
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	75	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
…		…
73	our $RUNTIME;	88	our $RUNTIME;
74		89
75	our %PLAYER; # all users	90	our %PLAYER; # all users
76	our %MAP; # all maps	91	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		93
81	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
		100
84	binmode STDOUT;	101	binmode STDOUT;
85	binmode STDERR;	102	binmode STDERR;
86		103
87	# read virtual server time, if available	104	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
92	}	109	}
93		110
94	mkdir cf::localdir;	111	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		113
101	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
102		115
103	sub cf::map::normalise;	116	sub cf::map::normalise;
104		117
…		…
115	=item $cf::RUNTIME	128	=item $cf::RUNTIME
116		129
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	131	every server tick.
119		132
120	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		136
122	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
124		141
125	=item $cf::NOW	142	=item $cf::NOW
126		143
127	The time of the last (current) server tick.	144	The time of the last (current) server tick.
128		145
129	=item $cf::TICK	146	=item $cf::TICK
130		147
131	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
132		159
133	=item %cf::CFG	160	=item %cf::CFG
134		161
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	163	from wherever your confdir points to.
…		…
146	=cut	173	=cut
147		174
148	BEGIN {	175	BEGIN {
149	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	177	my $msg = join "", @_;
151	utf8::encode $msg;
152		178
153	$msg .= "\n"	179	$msg .= "\n"
154	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
155		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
156	LOG llevError, $msg;	185	LOG llevError, $msg;
157	};	186	};
158	}	187	}
159		188
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		196
167	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	198	# within the Safe compartment.
169	for my $pkg (qw(	199	for my $pkg (qw(
170	cf::global cf::attachable	200	cf::global cf::attachable
…		…
178	}	208	}
179		209
180	$Event::DIED = sub {	210	$Event::DIED = sub {
181	warn "error in event callback: @_";	211	warn "error in event callback: @_";
182	};	212	};
		213
		214	#############################################################################
183		215
184	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
185		217
186	=over 4	218	=over 4
187		219
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	239	$d
208	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
209	}	241	}
210		242
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
214		244
215	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
216		246
217	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
218		248
219	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
		250
		251	=cut
		252
		253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		254
		255	sub to_json ($) { $json_coder->encode ($_[0]) }
		256	sub from_json ($) { $json_coder->decode ($_[0]) }
220		257
221	=item cf::lock_wait $string	258	=item cf::lock_wait $string
222		259
223	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
224		261
…		…
230	returned.	267	returned.
231		268
232	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
234		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
235	=cut	276	=cut
236		277
237	our %LOCK;	278	our %LOCK;
238		279
239	sub lock_wait($) {	280	sub lock_wait($) {
…		…
256		297
257	Coro::guard {	298	Coro::guard {
258	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
260	}	301	}
		302	}
		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
261	}	308	}
262		309
263	sub freeze_mainloop {	310	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
265		312
…		…
280		327
281	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
282		329
283	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
284		331
285	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
288		336
289	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
292	fast or be very important.	340	fast or be very important.
…		…
295		343
296	sub sync_job(&) {	344	sub sync_job(&) {
297	my ($job) = @_;	345	my ($job) = @_;
298		346
299	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
300	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
302		352
303	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
315		365
316	while ($busy) {	366	while ($busy) {
317	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
318	}	368	}
319		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
320	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
321	} else {	378	} else {
322	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
323		380
324	$job->()	381	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
344		401
345	$coro	402	$coro
346	}	403	}
347		404
348	sub write_runtime {	405	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		406
351	my $runtime = cf::localdir . "/runtime";	407	Executes the given code block with the given arguments in a seperate
		408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
352		411
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	412	=cut
354	or return;
355		413
356	my $value = $cf::RUNTIME + 90 + 10;	414	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	415	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		416
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
361	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
362		421
363	# always fsync - this file is important	422	if (my $pid = fork) {
364	aio_fsync $fh
365	and return;
366
367	close $fh	423	close $fh2;
368	or return;
369		424
370	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
371	and return;	426	$res = Coro::Storable::thaw $res;
372		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
373	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
374	}	563	}
375		564
376	=item cf::datalog type => key => value, ...	565	=item cf::datalog type => key => value, ...
377		566
378	Log a datalog packet of the given type with the given key-value pairs.	567	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
398		587
399	In the following description, CLASS can be any of C<global>, C<object>	588	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	590	Crossfire TRT).
402		591
403	=over 4	592	=over 4
404		593
405	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
406		595
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
570		759
571	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		764
576	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	766	my $pkg = shift @arg;
578		767
579	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
609	}	798	}
610		799
611	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
612	} else {	801	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	803	}
615		804
616	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
617	}	806	}
618		807
…		…
620	if (ref $_[0]) {	809	if (ref $_[0]) {
621	_object_attach @_;	810	_object_attach @_;
622	} else {	811	} else {
623	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
624	}	813	}
		814	_recalc_want;
625	};	815	};
626		816
627	# all those should be optimised	817	# all those should be optimised
628	sub cf::attachable::detach {	818	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
633	reattach ($obj);	823	reattach ($obj);
634	} else {	824	} else {
635	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
636	}	826	}
		827	_recalc_want;
637	};	828	};
638		829
639	sub cf::attachable::attached {	830	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
641		832
…		…
814	or return;	1005	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1007	}
817		1008
818	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1011	return ($data, $av);
821	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
822		1019
823	#############################################################################	1020	#############################################################################
824	# command handling &c	1021	# command handling &c
825		1022
826	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1037	}
841		1038
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1040
844	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
845		1046
846	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
847	called.	1048	called.
848		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
849	=cut	1061	=cut
850		1062
851	sub register_extcmd {	1063	sub register_extcmd {
852	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
853		1065
854	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
855	}	1073	}
856		1074
857	cf::player->attach (	1075	cf::player->attach (
858	on_command => sub {	1076	on_command => sub {
859	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1086	cf::override;
869	},	1087	},
870	on_extcmd => sub {	1088	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
872		1090
873	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1092
875	if (ref $msg) {	1093	if (ref $msg) {
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
877	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
878	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
884		1102
885	cf::override;	1103	cf::override;
886	},	1104	},
887	);	1105	);
888		1106
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
924	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1112	next unless -r $path;
926	eval {	1113
927	load_extension $ext;	1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
928	1	1171	}
929	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
930	}	1177	};
931	}	1178	}
932		1179
933	#############################################################################	1180	#############################################################################
934		1181
		1182	=back
		1183
935	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
936		1185
937	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
938		1187
939	=cut	1188	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
952		1201
953	=cut	1202	=cut
954		1203
955	sub playerdir($) {	1204	sub playerdir($) {
956	cf::localdir	1205	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1207	}
962		1208
963	sub path($) {	1209	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1084	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1085		1331
1086	=cut	1332	=cut
1087		1333
1088	sub list_logins {	1334	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1336	or return [];
1091		1337
1092	my @logins;	1338	my @logins;
1093		1339
1094	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1129	}	1375	}
1130		1376
1131	\@paths	1377	\@paths
1132	}	1378	}
1133		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s{H<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	1 while s/\s*\n\s*\n\s*/\n/;
		1418
		1419	$_
		1420	}
		1421
		1422	sub hintmode {
		1423	warn "hm<$_[0] $_[1]>\n";#d#
		1424	$_[0]{hintmode} = $_[1] if @_ > 1;
		1425	$_[0]{hintmode}
		1426	}
		1427
1134	=item $player->ext_reply ($msgid, %msg)	1428	=item $player->ext_reply ($msgid, %msg)
1135		1429
1136	Sends an ext reply to the player.	1430	Sends an ext reply to the player.
1137		1431
1138	=cut	1432	=cut
1139		1433
1140	sub ext_reply($$%) {	1434	sub ext_reply($$%) {
1141	my ($self, $id, %msg) = @_;	1435	my ($self, $id, %msg) = @_;
1142		1436
1143	$msg{msgid} = $id;	1437	$msg{msgid} = $id;
1144		1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1439	}
1147		1440
1148	=item $player->ext_event ($type, %msg)	1441	=item $player->ext_event ($type, %msg)
1149		1442
1150	Sends an ext event to the client.	1443	Sends an ext event to the client.
…		…
1165		1458
1166	package cf::region;	1459	package cf::region;
1167		1460
1168	=item cf::region::find_by_path $path	1461	=item cf::region::find_by_path $path
1169		1462
1170	Tries to decuce the probable region for a map knowing only its path.	1463	Tries to decuce the likely region for a map knowing only its path.
1171		1464
1172	=cut	1465	=cut
1173		1466
1174	sub find_by_path($) {	1467	sub find_by_path($) {
1175	my ($path) = @_;	1468	my ($path) = @_;
…		…
1249	my ($self, $merge) = @_;	1542	my ($self, $merge) = @_;
1250		1543
1251	# we have to keep some variables in memory intact	1544	# we have to keep some variables in memory intact
1252	local $self->{path};	1545	local $self->{path};
1253	local $self->{load_path};	1546	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1547
1257	$self->SUPER::thawer_merge ($merge);	1548	$self->SUPER::thawer_merge ($merge);
1258	}	1549	}
1259		1550
1260	sub normalise {	1551	sub normalise {
…		…
1332		1623
1333	# the original (read-only) location	1624	# the original (read-only) location
1334	sub load_path {	1625	sub load_path {
1335	my ($self) = @_;	1626	my ($self) = @_;
1336		1627
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1628	"$MAPDIR/$self->{path}.map"
1338	}	1629	}
1339		1630
1340	# the temporary/swap location	1631	# the temporary/swap location
1341	sub save_path {	1632	sub save_path {
1342	my ($self) = @_;	1633	my ($self) = @_;
1343		1634
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1635	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1636	"$TMPDIR/$path.map"
1346	}	1637	}
1347		1638
1348	# the unique path, undef == no special unique path	1639	# the unique path, undef == no special unique path
1349	sub uniq_path {	1640	sub uniq_path {
1350	my ($self) = @_;	1641	my ($self) = @_;
1351		1642
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1643	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1644	"$UNIQUEDIR/$path"
1354	}	1645	}
1355		1646
1356	# and all this just because we cannot iterate over	1647	# and all this just because we cannot iterate over
1357	# all maps in C++...	1648	# all maps in C++...
1358	sub change_all_map_light {	1649	sub change_all_map_light {
1359	my ($change) = @_;	1650	my ($change) = @_;
1360		1651
1361	$_->change_map_light ($change)	1652	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1653	for grep $_->outdoor, values %cf::MAP;
		1654	}
		1655
		1656	sub decay_objects {
		1657	my ($self) = @_;
		1658
		1659	return if $self->{deny_reset};
		1660
		1661	$self->do_decay_objects;
1363	}	1662	}
1364		1663
1365	sub unlink_save {	1664	sub unlink_save {
1366	my ($self) = @_;	1665	my ($self) = @_;
1367		1666
…		…
1425	$self->load_header_orig	1724	$self->load_header_orig
1426	or return;	1725	or return;
1427	$self->prepare_orig;	1726	$self->prepare_orig;
1428	}	1727	}
1429		1728
		1729	$self->{deny_reset} = 1
		1730	if $self->no_reset;
		1731
1430	$self->default_region (cf::region::find_by_path $self->{path})	1732	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1733	unless $self->default_region;
1432		1734
1433	1	1735	1
1434	}	1736	}
…		…
1449	$map->{last_save} = $cf::RUNTIME;	1751	$map->{last_save} = $cf::RUNTIME;
1450		1752
1451	$map->load_header	1753	$map->load_header
1452	or return;	1754	or return;
1453		1755
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1757	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1758	#$cf::WAIT_FOR_TICK->wait;
1457	$map->reset;	1759	$map->reset;
1458	undef $guard;	1760	undef $guard;
1459	return find $path;	1761	return find $path;
…		…
1470	my ($self) = @_;	1772	my ($self) = @_;
1471		1773
1472	local $self->{deny_reset} = 1; # loading can take a long time	1774	local $self->{deny_reset} = 1; # loading can take a long time
1473		1775
1474	my $path = $self->{path};	1776	my $path = $self->{path};
		1777
		1778	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1779	my $guard = cf::lock_acquire "map_load:$path";
1476		1780
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1781	return if $self->in_memory != cf::MAP_SWAPPED;
1478		1782
1479	$self->in_memory (cf::MAP_LOADING);	1783	$self->in_memory (cf::MAP_LOADING);
1480		1784
1481	$self->alloc;	1785	$self->alloc;
1482		1786
1483	$self->pre_load;	1787	$self->pre_load;
1484	Coro::cede;
1485
1486	$self->_load_objects ($self->{load_path}, 1)
1487	or return;
1488
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};
1491
1492	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {
1495	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);
1497	}
1498	}
1499
1500	Coro::cede;
1501	# now do the right thing for maps
1502	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;	1788	Coro::cede;
1510	$self->set_darkness_map;	1789
		1790	$self->_load_objects ($self->{load_path}, 1)
		1791	or return;
		1792
		1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1794	if delete $self->{load_original};
		1795
		1796	if (my $uniq = $self->uniq_path) {
		1797	utf8::encode $uniq;
		1798	if (aio_open $uniq, O_RDONLY, 0) {
		1799	$self->clear_unique_items;
		1800	$self->_load_objects ($uniq, 0);
		1801	}
		1802	}
		1803
		1804	Coro::cede;
		1805	# now do the right thing for maps
		1806	$self->link_multipart_objects;
1511	$self->difficulty ($self->estimate_difficulty)	1807	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1808	unless $self->difficulty;
1513	Coro::cede;	1809	Coro::cede;
		1810
		1811	unless ($self->{deny_activate}) {
		1812	$self->decay_objects;
		1813	$self->fix_auto_apply;
		1814	$self->update_buttons;
		1815	Coro::cede;
		1816	$self->set_darkness_map;
		1817	Coro::cede;
1514	$self->activate;	1818	$self->activate;
1515	Coro::cede;	1819	}
		1820
		1821	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1822	}
1517		1823
1518	$self->post_load;	1824	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1825	}
1523		1826
1524	sub customise_for {	1827	sub customise_for {
1525	my ($self, $ob) = @_;	1828	my ($self, $ob) = @_;
1526		1829
1527	return find "~" . $ob->name . "/" . $self->{path}	1830	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1831	if $self->per_player;
		1832
		1833	# return find "?party/" . $ob->name . "/" . $self->{path}
		1834	# if $self->per_party;
1529		1835
1530	$self	1836	$self
1531	}	1837	}
1532		1838
1533	# find and load all maps in the 3x3 area around a map	1839	# find and load all maps in the 3x3 area around a map
…		…
1644		1950
1645	sub reset_at {	1951	sub reset_at {
1646	my ($self) = @_;	1952	my ($self) = @_;
1647		1953
1648	# TODO: safety, remove and allow resettable per-player maps	1954	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	1955	return 1e99 if $self->{deny_reset};
1651		1956
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1957	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1958	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		1959
…		…
1665	my ($self) = @_;	1970	my ($self) = @_;
1666		1971
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	1972	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		1973
1669	return if $self->players;	1974	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		1975
1672	warn "resetting map ", $self->path;#d#	1976	warn "resetting map ", $self->path;
1673		1977
1674	$self->in_memory (cf::MAP_SWAPPED);	1978	$self->in_memory (cf::MAP_SWAPPED);
1675		1979
1676	# need to save uniques path	1980	# need to save uniques path
1677	unless ($self->{deny_save}) {	1981	unless ($self->{deny_save}) {
…		…
1709	$cf::MAP{$self->path} = $self;	2013	$cf::MAP{$self->path} = $self;
1710		2014
1711	$self->reset; # polite request, might not happen	2015	$self->reset; # polite request, might not happen
1712	}	2016	}
1713		2017
		2018	=item $maps = cf::map::tmp_maps
		2019
		2020	Returns an arrayref with all map paths of currently instantiated and saved
		2021	maps. May block.
		2022
		2023	=cut
		2024
		2025	sub tmp_maps() {
		2026	[
		2027	map {
		2028	utf8::decode $_;
		2029	/\.map$/
		2030	? normalise $_
		2031	: ()
		2032	} @{ aio_readdir $TMPDIR or [] }
		2033	]
		2034	}
		2035
		2036	=item $maps = cf::map::random_maps
		2037
		2038	Returns an arrayref with all map paths of currently instantiated and saved
		2039	random maps. May block.
		2040
		2041	=cut
		2042
		2043	sub random_maps() {
		2044	[
		2045	map {
		2046	utf8::decode $_;
		2047	/\.map$/
		2048	? normalise "?random/$_"
		2049	: ()
		2050	} @{ aio_readdir $RANDOMDIR or [] }
		2051	]
		2052	}
		2053
1714	=item cf::map::unique_maps	2054	=item cf::map::unique_maps
1715		2055
1716	Returns an arrayref of paths of all shared maps that have	2056	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2057	instantiated unique items. May block.
1718		2058
1719	=cut	2059	=cut
1720		2060
1721	sub unique_maps() {	2061	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2062	[
1723	or return;	2063	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2064	utf8::decode $_;
1729	next if /\.pst$/;	2065	/\.map$/
1730	next unless /^$PATH_SEP/o;	2066	? normalise $_
1731		2067	: ()
1732	push @paths, cf::map::normalise $_;	2068	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2069	]
1734
1735	\@paths
1736	}	2070	}
1737		2071
1738	package cf;	2072	package cf;
1739		2073
1740	=back	2074	=back
…		…
1786		2120
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2121	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2122
1789	if ($self->{record_replies}) {	2123	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2124	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2125
1791	} else {	2126	} else {
		2127	my $pl = $self->contr;
		2128
		2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2130	my $diag = $pl->{npc_dialog};
		2131	$diag->{pl}->ext_reply (
		2132	$diag->{id},
		2133	msgtype => "reply",
		2134	msg => $diag->{pl}->expand_cfpod ($msg),
		2135	add_topics => []
		2136	);
		2137
		2138	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2139	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2140	$self->message ($msg, $flags);
		2141	}
1794	}	2142	}
1795	}	2143	}
1796		2144
1797	=item $player_object->may ("access")	2145	=item $player_object->may ("access")
1798		2146
…		…
1846	$self->deactivate_recursive;	2194	$self->deactivate_recursive;
1847		2195
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2196	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2197
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2198	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2199	if $self->map && $self->map->{path} ne "{link}";
1852		2200
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2201	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2202	}
1855		2203
1856	sub cf::object::player::leave_link {	2204	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2205	my ($self, $map, $x, $y) = @_;
		2206
		2207	return unless $self->contr->active;
1858		2208
1859	my $link_pos = delete $self->{_link_pos};	2209	my $link_pos = delete $self->{_link_pos};
1860		2210
1861	unless ($map) {	2211	unless ($map) {
1862	# restore original map position	2212	# restore original map position
…		…
1885		2235
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2237	$self->enter_map ($map, $x, $y);
1888	}	2238	}
1889		2239
1890	cf::player->attach (
1891	on_logout => sub {
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)	2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1923		2241
		2242	Moves the player to the given map-path and coordinates by first freezing
		2243	her, loading and preparing them map, calling the provided $check callback
		2244	that has to return the map if sucecssful, and then unfreezes the player on
		2245	the new (success) or old (failed) map position.
		2246
1924	=cut	2247	=cut
		2248
		2249	our $GOTOGEN;
1925		2250
1926	sub cf::object::player::goto {	2251	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2252	my ($self, $path, $x, $y, $check) = @_;
		2253
		2254	# do generation counting so two concurrent goto's will be executed in-order
		2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2256
1929	$self->enter_link;	2257	$self->enter_link;
1930		2258
1931	(async {	2259	(async {
1932	my $map = eval {	2260	my $map = eval {
1933	my $map = cf::map::find $path;	2261	my $map = cf::map::find $path;
		2262
		2263	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2264	$map = $map->customise_for ($self);
		2265	$map = $check->($map) if $check && $map;
		2266	} else {
		2267	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2268	}
		2269
1935	$map	2270	$map
		2271	};
		2272
		2273	if ($@) {
		2274	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2275	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2276	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2277
		2278	if ($gen == $self->{_goto_generation}) {
		2279	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2280	$self->leave_link ($map, $x, $y);
		2281	}
1940	})->prio (1);	2282	})->prio (1);
1941	}	2283	}
1942		2284
1943	=item $player_object->enter_exit ($exit_object)	2285	=item $player_object->enter_exit ($exit_object)
1944		2286
…		…
1983		2325
1984	$rmp->{random_seed} ||= $exit->random_seed;	2326	$rmp->{random_seed} ||= $exit->random_seed;
1985		2327
1986	my $data = cf::to_json $rmp;	2328	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2329	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2330	my $meta = "$RANDOMDIR/$md5.meta";
1989		2331
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2332	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2333	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2334	undef $fh;
1993	aio_rename "$meta~", $meta;	2335	aio_rename "$meta~", $meta;
…		…
2049		2391
2050	utf8::encode $text;	2392	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2393	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2394	}
2053		2395
		2396	=item $client->send_msg ($color, $type, $msg, [extra...])
		2397
		2398	Send a drawinfo or msg packet to the client, formatting the msg for the
		2399	client if neccessary. C<$type> should be a string identifying the type of
		2400	the message, with C<log> being the default. If C<$color> is negative, suppress
		2401	the message unless the client supports the msg packet.
		2402
		2403	=cut
		2404
		2405	sub cf::client::send_msg {
		2406	my ($self, $color, $type, $msg, @extra) = @_;
		2407
		2408	$msg = $self->pl->expand_cfpod ($msg);
		2409
		2410	if ($self->can_msg) {
		2411	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2412	} else {
		2413	# replace some tags by gcfclient-compatible ones
		2414	for ($msg) {
		2415	1 while
		2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2417	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2418	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2419	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2420	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2421	}
		2422
		2423	if ($color >= 0) {
		2424	if (0 && $msg =~ /\[/) {
		2425	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2426	} else {
		2427	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2428	$self->send_packet ("drawinfo $color $msg")
		2429	}
		2430	}
		2431	}
		2432	}
		2433
2054	=item $client->ext_event ($type, %msg)	2434	=item $client->ext_event ($type, %msg)
2055		2435
2056	Sends an exti event to the client.	2436	Sends an ext event to the client.
2057		2437
2058	=cut	2438	=cut
2059		2439
2060	sub cf::client::ext_event($$%) {	2440	sub cf::client::ext_event($$%) {
2061	my ($self, $type, %msg) = @_;	2441	my ($self, $type, %msg) = @_;
2062		2442
2063	$msg{msgtype} = "event_$type";	2443	$msg{msgtype} = "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2444	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2065	}	2445	}
2066		2446
2067	=item $success = $client->query ($flags, "text", \&cb)	2447	=item $success = $client->query ($flags, "text", \&cb)
2068		2448
2069	Queues a query to the client, calling the given callback with	2449	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2450	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2451	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2452
2073	Queries can fail, so check the return code. Or don't, as queries will become	2453	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2454	become reliable at some point in the future.
2075		2455
2076	=cut	2456	=cut
2077		2457
2078	sub cf::client::query {	2458	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2459	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2467	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2468	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2469
2090	$self->send_packet ($self->{query_queue}[0][0])	2470	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2471	if @{ $self->{query_queue} } == 1;
		2472
		2473	1
2092	}	2474	}
2093		2475
2094	cf::client->attach (	2476	cf::client->attach (
		2477	on_connect => sub {
		2478	my ($ns) = @_;
		2479
		2480	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2481	},
2095	on_reply => sub {	2482	on_reply => sub {
2096	my ($ns, $msg) = @_;	2483	my ($ns, $msg) = @_;
2097		2484
2098	# this weird shuffling is so that direct followup queries	2485	# this weird shuffling is so that direct followup queries
2099	# get handled first	2486	# get handled first
…		…
2110	$ns->send_packet ($ns->{query_queue}[0][0]);	2497	$ns->send_packet ($ns->{query_queue}[0][0]);
2111	} else {	2498	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2499	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2500	}
2114	}	2501	}
		2502	},
		2503	on_exticmd => sub {
		2504	my ($ns, $buf) = @_;
		2505
		2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2507
		2508	if (ref $msg) {
		2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2510	if (my %reply = $cb->($ns, $msg)) {
		2511	$reply{msgid} = $msg->{msgid};
		2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2513	}
		2514	}
		2515	} else {
		2516	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2517	}
		2518
		2519	cf::override;
2115	},	2520	},
2116	);	2521	);
2117		2522
2118	=item $client->async (\&cb)	2523	=item $client->async (\&cb)
2119		2524
…		…
2258	=back	2663	=back
2259		2664
2260	=cut	2665	=cut
2261		2666
2262	#############################################################################	2667	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	2668	# the server's init and main functions
2336		2669
2337	sub load_facedata {	2670	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	2671	my ($path) = @_;
2339		2672
2340	warn "loading facedata from $path\n";	2673	warn "loading facedata from $path\n";
2341		2674
2342	my $facedata;	2675	my $facedata;
2343	0 < aio_load $path, $facedata	2676	0 < aio_load $path, $facedata
…		…
2384	}	2717	}
2385		2718
2386	1	2719	1
2387	}	2720	}
2388		2721
		2722	sub reload_regions {
		2723	load_resource_file "$MAPDIR/regions"
		2724	or die "unable to load regions file\n";
		2725	}
		2726
		2727	sub reload_facedata {
		2728	load_facedata "$DATADIR/facedata"
		2729	or die "unable to load facedata\n";
		2730	}
		2731
2389	sub load_archetypes {	2732	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	2733	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	2734	or die "unable to load archetypes\n";
		2735	#d# NEED to laod twice to resolve forward references
		2736	# this really needs to be done in an extra post-pass
		2737	# (which needs to be synchronous, so solve it differently)
		2738	load_resource_file "$DATADIR/archetypes"
		2739	or die "unable to load archetypes\n";
2392	}	2740	}
2393		2741
2394	sub load_treasures {	2742	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	2743	load_resource_file "$DATADIR/treasures"
		2744	or die "unable to load treasurelists\n";
2396	}	2745	}
2397		2746
2398	sub reload_resources {	2747	sub reload_resources {
2399	warn "reloading resource files...\n";	2748	warn "reloading resource files...\n";
2400		2749
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2750	reload_regions;
2402	or die "unable to load regions file\n";
2403	load_facedata	2751	reload_facedata;
2404	or die "unable to load facedata\n";	2752	#reload_archetypes;#d#
2405	load_archetypes	2753	reload_archetypes;
2406	or die "unable to load archetypes\n";
2407	load_treasures	2754	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		2755
2410	warn "finished reloading resource files\n";	2756	warn "finished reloading resource files\n";
2411	}	2757	}
2412		2758
2413	sub init {	2759	sub init {
2414	reload_resources;	2760	reload_resources;
2415	}	2761	}
2416		2762
2417	sub cfg_load {	2763	sub cfg_load {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	2764	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	2765	or return;
2420		2766
2421	local $/;	2767	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	2768	*CFG = YAML::Syck::Load <$fh>;
2423		2769
…		…
2468	},	2814	},
2469	);	2815	);
2470	}	2816	}
2471	}	2817	}
2472		2818
		2819	sub write_runtime {
		2820	my $runtime = "$LOCALDIR/runtime";
		2821
		2822	# first touch the runtime file to show we are still running:
		2823	# the fsync below can take a very very long time.
		2824
		2825	IO::AIO::aio_utime $runtime, undef, undef;
		2826
		2827	my $guard = cf::lock_acquire "write_runtime";
		2828
		2829	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2830	or return;
		2831
		2832	my $value = $cf::RUNTIME + 90 + 10;
		2833	# 10 is the runtime save interval, for a monotonic clock
		2834	# 60 allows for the watchdog to kill the server.
		2835
		2836	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2837	and return;
		2838
		2839	# always fsync - this file is important
		2840	aio_fsync $fh
		2841	and return;
		2842
		2843	# touch it again to show we are up-to-date
		2844	aio_utime $fh, undef, undef;
		2845
		2846	close $fh
		2847	or return;
		2848
		2849	aio_rename "$runtime~", $runtime
		2850	and return;
		2851
		2852	warn "runtime file written.\n";
		2853
		2854	1
		2855	}
		2856
2473	sub emergency_save() {	2857	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	2858	my $freeze_guard = cf::freeze_mainloop;
2475		2859
2476	warn "enter emergency perl save\n";	2860	warn "enter emergency perl save\n";
2477		2861
…		…
2508		2892
2509	warn Carp::longmess "post_cleanup backtrace"	2893	warn Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	2894	if $make_core;
2511	}	2895	}
2512		2896
2513	sub reload() {	2897	sub do_reload_perl() {
2514	# can/must only be called in main	2898	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	2899	if ($Coro::current != $Coro::main) {
2516	warn "can only reload from main coroutine";	2900	warn "can only reload from main coroutine";
2517	return;	2901	return;
2518	}	2902	}
…		…
2552	%EXT_CORO = ();	2936	%EXT_CORO = ();
2553		2937
2554	warn "removing commands";	2938	warn "removing commands";
2555	%COMMAND = ();	2939	%COMMAND = ();
2556		2940
2557	warn "removing ext commands";	2941	warn "removing ext/exti commands";
2558	%EXTCMD = ();	2942	%EXTCMD = ();
		2943	%EXTICMD = ();
2559		2944
2560	warn "unloading/nuking all extensions";	2945	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {	2946	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";	2947	warn "... unloading $pkg";
2563		2948
…		…
2593	Symbol::delete_package "safe::$_"	2978	Symbol::delete_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2979	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		2980
2596	warn "unloading cf.pm \"a bit\"";	2981	warn "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	2982	delete $INC{"cf.pm"};
		2983	delete $INC{"cf/pod.pm"};
2598		2984
2599	# don't, removes xs symbols, too,	2985	# don't, removes xs symbols, too,
2600	# and global variables created in xs	2986	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	2987	#Symbol::delete_package __PACKAGE__;
2602		2988
…		…
2617	warn "reattaching attachments to maps";	3003	warn "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3004	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3005	warn "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3006	reattach $_ for values %PLAYER;
2621		3007
2622	warn "loading reloadable resources";
2623	reload_resources;
2624
2625	warn "leaving sync_job";	3008	warn "leaving sync_job";
2626		3009
2627	1	3010	1
2628	} or do {	3011	} or do {
2629	warn $@;	3012	warn $@;
…		…
2634	warn "reloaded";	3017	warn "reloaded";
2635	};	3018	};
2636		3019
2637	our $RELOAD_WATCHER; # used only during reload	3020	our $RELOAD_WATCHER; # used only during reload
2638		3021
		3022	sub reload_perl() {
		3023	# doing reload synchronously and two reloads happen back-to-back,
		3024	# coro crashes during coro_state_free->destroy here.
		3025
		3026	$RELOAD_WATCHER ||= Event->timer (
		3027	reentrant => 0,
		3028	after => 0,
		3029	data => WF_AUTOCANCEL,
		3030	cb => sub {
		3031	do_reload_perl;
		3032	undef $RELOAD_WATCHER;
		3033	},
		3034	);
		3035	}
		3036
2639	register_command "reload" => sub {	3037	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3038	my ($who, $arg) = @_;
2641		3039
2642	if ($who->flag (FLAG_WIZ)) {	3040	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3041	$who->message ("reloading server.");
2644		3042	async { reload_perl };
2645	# doing reload synchronously and two reloads happen back-to-back,
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);
2657	}	3043	}
2658	};	3044	};
2659		3045
2660	unshift @INC, $LIBDIR;	3046	unshift @INC, $LIBDIR;
2661		3047
…		…
2680	my $signal = new Coro::Signal;	3066	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	3067	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	3068	$signal->wait;
2683	}	3069	}
2684		3070
		3071	my $min = 1e6;#d#
		3072	my $avg = 10;
2685	$TICK_WATCHER = Event->timer (	3073	$TICK_WATCHER = Event->timer (
2686	reentrant => 0,	3074	reentrant => 0,
2687	parked => 1,	3075	parked => 1,
2688	prio => 0,	3076	prio => 0,
2689	at => $NEXT_TICK || $TICK,	3077	at => $NEXT_TICK || $TICK,
…		…
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3081	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	3082	unless ++$bug_warning > 10;
2695	return;	3083	return;
2696	}	3084	}
2697		3085
2698	$NOW = Event::time;	3086	$NOW = $tick_start = Event::time;
2699		3087
2700	cf::server_tick; # one server iteration	3088	cf::server_tick; # one server iteration
		3089
		3090	0 && sync_job {#d#
		3091	for(1..10) {
		3092	my $t = Event::time;
		3093	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3094	or die;
		3095
		3096	$map->width (50);
		3097	$map->height (50);
		3098	$map->alloc;
		3099	$map->_load_objects ("/tmp/x.map", 1);
		3100	my $t = Event::time - $t;
		3101
		3102	#next unless $t < 0.0013;#d#
		3103	if ($t < $min) {
		3104	$min = $t;
		3105	}
		3106	$avg = $avg * 0.99 + $t * 0.01;
		3107	}
		3108	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3109	exit 0;
		3110	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3111	};
2701		3112
2702	$RUNTIME += $TICK;	3113	$RUNTIME += $TICK;
2703	$NEXT_TICK += $TICK;	3114	$NEXT_TICK += $TICK;
2704		3115
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2711	}	3122	}
2712		3123
2713	# my $AFTER = Event::time;	3124	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#	3125	# warn $AFTER - $NOW;#d#
2715		3126
		3127	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3128	$sig->send;
		3129	}
		3130	while (my $sig = shift @WAIT_FOR_TICK) {
		3131	$sig->send;
		3132	}
		3133
		3134	$NOW = Event::time;
		3135
2716	# if we are delayed by four ticks or more, skip them all	3136	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2718		3138
2719	$TICK_WATCHER->at ($NEXT_TICK);	3139	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;	3140	$TICK_WATCHER->start;
2721		3141
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3142	$LOAD = ($NOW - $tick_start) / $TICK;
2723	$sig->send;	3143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2724	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;
2727	}
2728		3144
2729	_post_tick;	3145	_post_tick;
		3146
		3147
2730	},	3148	},
2731	);	3149	);
2732		3150
2733	{	3151	{
2734	BDB::max_poll_time $TICK * 0.1;	3152	BDB::max_poll_time $TICK * 0.1;
…		…
2762		3180
2763	cf::sync_job {	3181	cf::sync_job {
2764	eval {	3182	eval {
2765	BDB::db_env_open	3183	BDB::db_env_open
2766	$DB_ENV,	3184	$DB_ENV,
2767	$BDB_ENV_DIR,	3185	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3186	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3187	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	3188	0666;
2771		3189
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3190	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773		3191
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3192	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;	3193	$DB_ENV->set_lk_detect;
2776	};	3194	};
2777		3195
…		…
2793	prio => 6,	3211	prio => 6,
2794	cb => \&IO::AIO::poll_cb,	3212	cb => \&IO::AIO::poll_cb,
2795	);	3213	);
2796	}	3214	}
2797		3215
		3216	my $_log_backtrace;
		3217
		3218	sub _log_backtrace {
		3219	my ($msg, @addr) = @_;
		3220
		3221	$msg =~ s/\n//;
		3222
		3223	# limit the # of concurrent backtraces
		3224	if ($_log_backtrace < 2) {
		3225	++$_log_backtrace;
		3226	async {
		3227	my @bt = fork_call {
		3228	@addr = map { sprintf "%x", $_ } @addr;
		3229	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3230	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3231	or die "addr2line: $!";
		3232
		3233	my @funcs;
		3234	my @res = <$fh>;
		3235	chomp for @res;
		3236	while (@res) {
		3237	my ($func, $line) = splice @res, 0, 2, ();
		3238	push @funcs, "[$func] $line";
		3239	}
		3240
		3241	@funcs
		3242	};
		3243
		3244	LOG llevInfo, "[ABT] $msg\n";
		3245	LOG llevInfo, "[ABT] $_\n" for @bt;
		3246	--$_log_backtrace;
		3247	};
		3248	} else {
		3249	LOG llevInfo, "[ABT] $msg\n";
		3250	LOG llevInfo, "[ABT] [suppressed]\n";
		3251	}
		3252	}
		3253
		3254	# load additional modules
		3255	use cf::pod;
		3256
2798	END { cf::emergency_save }	3257	END { cf::emergency_save }
2799		3258
2800	1	3259	1
2801		3260

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