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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.297 by root, Thu Jul 5 08:10:30 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 3.52 ();	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";
58		61
59	our $TICK = MAX_TIME * 1e-6;	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";
		73
		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
63	our $NEXT_TICK;	78	our $NEXT_TICK;
64	our $NOW;	79	our $NOW;
…		…
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
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		93
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $tick_start; # for load detecting purposes
		100
87	binmode STDOUT;	101	binmode STDOUT;
88	binmode STDERR;	102	binmode STDERR;
89		103
90	# read virtual server time, if available	104	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
95	}	109	}
96		110
97	mkdir cf::localdir;	111	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		113
104	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
105		115
106	sub cf::map::normalise;	116	sub cf::map::normalise;
107		117
…		…
118	=item $cf::RUNTIME	128	=item $cf::RUNTIME
119		129
120	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
121	every server tick.	131	every server tick.
122		132
123	=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
124		136
125	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		141
128	=item $cf::NOW	142	=item $cf::NOW
129		143
130	The time of the last (current) server tick.	144	The time of the last (current) server tick.
131		145
132	=item $cf::TICK	146	=item $cf::TICK
133		147
134	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.
135		159
136	=item %cf::CFG	160	=item %cf::CFG
137		161
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	163	from wherever your confdir points to.
140		164
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		166
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.
147		170
148	=back	171	=back
149		172
150	=cut	173	=cut
151		174
152	BEGIN {	175	BEGIN {
153	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	177	my $msg = join "", @_;
155	utf8::encode $msg;
156		178
157	$msg .= "\n"	179	$msg .= "\n"
158	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
159		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
160	LOG llevError, $msg;	185	LOG llevError, $msg;
161	};	186	};
162	}	187	}
163		188
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		196
171	# 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
172	# within the Safe compartment.	198	# within the Safe compartment.
173	for my $pkg (qw(	199	for my $pkg (qw(
174	cf::global cf::attachable	200	cf::global cf::attachable
…		…
182	}	208	}
183		209
184	$Event::DIED = sub {	210	$Event::DIED = sub {
185	warn "error in event callback: @_";	211	warn "error in event callback: @_";
186	};	212	};
		213
		214	#############################################################################
187		215
188	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
189		217
190	=over 4	218	=over 4
191		219
…		…
210	$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;
211	$d	239	$d
212	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
213	}	241	}
214		242
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
218		244
219	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
220		246
221	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
222		248
223	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]) }
224		257
225	=item cf::lock_wait $string	258	=item cf::lock_wait $string
226		259
227	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
228		261
…		…
234	returned.	267	returned.
235		268
236	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
237	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
238		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
239	=cut	276	=cut
240		277
241	our %LOCK;	278	our %LOCK;
242		279
243	sub lock_wait($) {	280	sub lock_wait($) {
…		…
260		297
261	Coro::guard {	298	Coro::guard {
262	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
264	}	301	}
		302	}
		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
265	}	308	}
266		309
267	sub freeze_mainloop {	310	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
269		312
…		…
284		327
285	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
286		329
287	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
288		331
289	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
292		336
293	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
296	fast or be very important.	340	fast or be very important.
…		…
299		343
300	sub sync_job(&) {	344	sub sync_job(&) {
301	my ($job) = @_;	345	my ($job) = @_;
302		346
303	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
304	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
306		352
307	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
319		365
320	while ($busy) {	366	while ($busy) {
321	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
322	}	368	}
323		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
324	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
325	} else {	378	} else {
326	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
327		380
328	$job->()	381	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
348		401
349	$coro	402	$coro
350	}	403	}
351		404
352	sub write_runtime {	405	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		406
355	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.
356		411
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	412	=cut
358	or return;
359		413
360	my $value = $cf::RUNTIME + 90 + 10;	414	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	415	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		416
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
365	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
366		421
367	# always fsync - this file is important	422	if (my $pid = fork) {
368	aio_fsync $fh
369	and return;
370
371	close $fh	423	close $fh2;
372	or return;
373		424
374	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
375	and return;	426	$res = Coro::Storable::thaw $res;
376		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
377	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		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"
378	}	563	}
379		564
380	=item cf::datalog type => key => value, ...	565	=item cf::datalog type => key => value, ...
381		566
382	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.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
402		587
403	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>
404	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
405	crossfire+).	590	Crossfire TRT).
406		591
407	=over 4	592	=over 4
408		593
409	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
410		595
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
574		759
575	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		764
580	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	766	my $pkg = shift @arg;
582		767
583	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
613	}	798	}
614		799
615	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
616	} else {	801	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	803	}
619		804
620	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
621	}	806	}
622		807
…		…
624	if (ref $_[0]) {	809	if (ref $_[0]) {
625	_object_attach @_;	810	_object_attach @_;
626	} else {	811	} else {
627	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
628	}	813	}
		814	_recalc_want;
629	};	815	};
630		816
631	# all those should be optimised	817	# all those should be optimised
632	sub cf::attachable::detach {	818	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
637	reattach ($obj);	823	reattach ($obj);
638	} else {	824	} else {
639	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
640	}	826	}
		827	_recalc_want;
641	};	828	};
642		829
643	sub cf::attachable::attached {	830	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
645		832
…		…
818	or return;	1005	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1007	}
821		1008
822	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1011	return ($data, $av);
825	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
826		1019
827	#############################################################################	1020	#############################################################################
828	# command handling &c	1021	# command handling &c
829		1022
830	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1037	}
845		1038
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1040
848	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.
849		1046
850	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
851	called.	1048	called.
852		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
853	=cut	1061	=cut
854		1062
855	sub register_extcmd {	1063	sub register_extcmd {
856	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
857		1065
858	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
859	}	1073	}
860		1074
861	cf::player->attach (	1075	cf::player->attach (
862	on_command => sub {	1076	on_command => sub {
863	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1086	cf::override;
873	},	1087	},
874	on_extcmd => sub {	1088	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
876		1090
877	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1092
879	if (ref $msg) {	1093	if (ref $msg) {
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
881	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
882	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
888		1102
889	cf::override;	1103	cf::override;
890	},	1104	},
891	);	1105	);
892		1106
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
928	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1112	next unless -r $path;
930	eval {	1113
931	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;
932	1	1171	}
933	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
934	}	1177	};
935	}	1178	}
936		1179
937	#############################################################################	1180	#############################################################################
938		1181
		1182	=back
		1183
939	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
940		1185
941	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
942		1187
943	=cut	1188	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
956		1201
957	=cut	1202	=cut
958		1203
959	sub playerdir($) {	1204	sub playerdir($) {
960	cf::localdir	1205	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1207	}
966		1208
967	sub path($) {	1209	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1088	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1089		1331
1090	=cut	1332	=cut
1091		1333
1092	sub list_logins {	1334	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1336	or return [];
1095		1337
1096	my @logins;	1338	my @logins;
1097		1339
1098	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1133	}	1375	}
1134		1376
1135	\@paths	1377	\@paths
1136	}	1378	}
1137		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	s/\s+\n/\n/g; # ws line-ends
		1418	s/\n\n+/\n/g; # double lines
		1419	s/^\n+//; # beginning lines
		1420	s/\n+$//; # ending lines
		1421
		1422	$_
		1423	}
		1424
		1425	sub hintmode {
		1426	$_[0]{hintmode} = $_[1] if @_ > 1;
		1427	$_[0]{hintmode}
		1428	}
		1429
1138	=item $player->ext_reply ($msgid, %msg)	1430	=item $player->ext_reply ($msgid, %msg)
1139		1431
1140	Sends an ext reply to the player.	1432	Sends an ext reply to the player.
1141		1433
1142	=cut	1434	=cut
1143		1435
1144	sub ext_reply($$%) {	1436	sub ext_reply($$%) {
1145	my ($self, $id, %msg) = @_;	1437	my ($self, $id, %msg) = @_;
1146		1438
1147	$msg{msgid} = $id;	1439	$msg{msgid} = $id;
1148		1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1441	}
1151		1442
1152	=item $player->ext_event ($type, %msg)	1443	=item $player->ext_event ($type, %msg)
1153		1444
1154	Sends an ext event to the client.	1445	Sends an ext event to the client.
…		…
1169		1460
1170	package cf::region;	1461	package cf::region;
1171		1462
1172	=item cf::region::find_by_path $path	1463	=item cf::region::find_by_path $path
1173		1464
1174	Tries to decuce the probable region for a map knowing only its path.	1465	Tries to decuce the likely region for a map knowing only its path.
1175		1466
1176	=cut	1467	=cut
1177		1468
1178	sub find_by_path($) {	1469	sub find_by_path($) {
1179	my ($path) = @_;	1470	my ($path) = @_;
…		…
1253	my ($self, $merge) = @_;	1544	my ($self, $merge) = @_;
1254		1545
1255	# we have to keep some variables in memory intact	1546	# we have to keep some variables in memory intact
1256	local $self->{path};	1547	local $self->{path};
1257	local $self->{load_path};	1548	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1549
1261	$self->SUPER::thawer_merge ($merge);	1550	$self->SUPER::thawer_merge ($merge);
1262	}	1551	}
1263		1552
1264	sub normalise {	1553	sub normalise {
…		…
1336		1625
1337	# the original (read-only) location	1626	# the original (read-only) location
1338	sub load_path {	1627	sub load_path {
1339	my ($self) = @_;	1628	my ($self) = @_;
1340		1629
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1630	"$MAPDIR/$self->{path}.map"
1342	}	1631	}
1343		1632
1344	# the temporary/swap location	1633	# the temporary/swap location
1345	sub save_path {	1634	sub save_path {
1346	my ($self) = @_;	1635	my ($self) = @_;
1347		1636
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1638	"$TMPDIR/$path.map"
1350	}	1639	}
1351		1640
1352	# the unique path, undef == no special unique path	1641	# the unique path, undef == no special unique path
1353	sub uniq_path {	1642	sub uniq_path {
1354	my ($self) = @_;	1643	my ($self) = @_;
1355		1644
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1646	"$UNIQUEDIR/$path"
1358	}	1647	}
1359		1648
1360	# and all this just because we cannot iterate over	1649	# and all this just because we cannot iterate over
1361	# all maps in C++...	1650	# all maps in C++...
1362	sub change_all_map_light {	1651	sub change_all_map_light {
1363	my ($change) = @_;	1652	my ($change) = @_;
1364		1653
1365	$_->change_map_light ($change)	1654	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1655	for grep $_->outdoor, values %cf::MAP;
		1656	}
		1657
		1658	sub decay_objects {
		1659	my ($self) = @_;
		1660
		1661	return if $self->{deny_reset};
		1662
		1663	$self->do_decay_objects;
1367	}	1664	}
1368		1665
1369	sub unlink_save {	1666	sub unlink_save {
1370	my ($self) = @_;	1667	my ($self) = @_;
1371		1668
…		…
1429	$self->load_header_orig	1726	$self->load_header_orig
1430	or return;	1727	or return;
1431	$self->prepare_orig;	1728	$self->prepare_orig;
1432	}	1729	}
1433		1730
		1731	$self->{deny_reset} = 1
		1732	if $self->no_reset;
		1733
1434	$self->default_region (cf::region::find_by_path $self->{path})	1734	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1735	unless $self->default_region;
1436		1736
1437	1	1737	1
1438	}	1738	}
…		…
1453	$map->{last_save} = $cf::RUNTIME;	1753	$map->{last_save} = $cf::RUNTIME;
1454		1754
1455	$map->load_header	1755	$map->load_header
1456	or return;	1756	or return;
1457		1757
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1759	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1760	#$cf::WAIT_FOR_TICK->wait;
1461	$map->reset;	1761	$map->reset;
1462	undef $guard;	1762	undef $guard;
1463	return find $path;	1763	return find $path;
…		…
1474	my ($self) = @_;	1774	my ($self) = @_;
1475		1775
1476	local $self->{deny_reset} = 1; # loading can take a long time	1776	local $self->{deny_reset} = 1; # loading can take a long time
1477		1777
1478	my $path = $self->{path};	1778	my $path = $self->{path};
		1779
		1780	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1781	my $guard = cf::lock_acquire "map_load:$path";
1480		1782
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1783	return if $self->in_memory != cf::MAP_SWAPPED;
1482		1784
1483	$self->in_memory (cf::MAP_LOADING);	1785	$self->in_memory (cf::MAP_LOADING);
1484		1786
1485	$self->alloc;	1787	$self->alloc;
1486		1788
1487	$self->pre_load;	1789	$self->pre_load;
1488
1489	$self->_load_objects ($self->{load_path}, 1)
1490	or return;
1491
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1493	if delete $self->{load_original};
1494
1495	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {
1498	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);
1500	}
1501	}
1502
1503	Coro::cede;
1504
1505	# now do the right thing for maps
1506	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;	1790	Coro::cede;
1513	$self->set_darkness_map;	1791
		1792	$self->_load_objects ($self->{load_path}, 1)
		1793	or return;
		1794
		1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1796	if delete $self->{load_original};
		1797
		1798	if (my $uniq = $self->uniq_path) {
		1799	utf8::encode $uniq;
		1800	if (aio_open $uniq, O_RDONLY, 0) {
		1801	$self->clear_unique_items;
		1802	$self->_load_objects ($uniq, 0);
		1803	}
		1804	}
		1805
		1806	Coro::cede;
		1807	# now do the right thing for maps
		1808	$self->link_multipart_objects;
1514	$self->difficulty ($self->estimate_difficulty)	1809	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	1810	unless $self->difficulty;
1516	Coro::cede;	1811	Coro::cede;
		1812
		1813	unless ($self->{deny_activate}) {
		1814	$self->decay_objects;
		1815	$self->fix_auto_apply;
		1816	$self->update_buttons;
		1817	Coro::cede;
		1818	$self->set_darkness_map;
		1819	Coro::cede;
1517	$self->activate;	1820	$self->activate;
		1821	}
		1822
		1823	$self->in_memory (cf::MAP_IN_MEMORY);
1518	}	1824	}
1519		1825
1520	$self->post_load;	1826	$self->post_load;
1521
1522	$self->in_memory (cf::MAP_IN_MEMORY);
1523	}	1827	}
1524		1828
1525	sub customise_for {	1829	sub customise_for {
1526	my ($self, $ob) = @_;	1830	my ($self, $ob) = @_;
1527		1831
1528	return find "~" . $ob->name . "/" . $self->{path}	1832	return find "~" . $ob->name . "/" . $self->{path}
1529	if $self->per_player;	1833	if $self->per_player;
		1834
		1835	# return find "?party/" . $ob->name . "/" . $self->{path}
		1836	# if $self->per_party;
1530		1837
1531	$self	1838	$self
1532	}	1839	}
1533		1840
1534	# find and load all maps in the 3x3 area around a map	1841	# find and load all maps in the 3x3 area around a map
…		…
1645		1952
1646	sub reset_at {	1953	sub reset_at {
1647	my ($self) = @_;	1954	my ($self) = @_;
1648		1955
1649	# TODO: safety, remove and allow resettable per-player maps	1956	# TODO: safety, remove and allow resettable per-player maps
1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1651	return 1e99 if $self->{deny_reset};	1957	return 1e99 if $self->{deny_reset};
1652		1958
1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1959	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1960	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655		1961
…		…
1666	my ($self) = @_;	1972	my ($self) = @_;
1667		1973
1668	my $lock = cf::lock_acquire "map_data:$self->{path}";	1974	my $lock = cf::lock_acquire "map_data:$self->{path}";
1669		1975
1670	return if $self->players;	1976	return if $self->players;
1671	return if $self->isa ("ext::map_per_player");#d#
1672		1977
1673	warn "resetting map ", $self->path;#d#	1978	warn "resetting map ", $self->path;
1674		1979
1675	$self->in_memory (cf::MAP_SWAPPED);	1980	$self->in_memory (cf::MAP_SWAPPED);
1676		1981
1677	# need to save uniques path	1982	# need to save uniques path
1678	unless ($self->{deny_save}) {	1983	unless ($self->{deny_save}) {
…		…
1710	$cf::MAP{$self->path} = $self;	2015	$cf::MAP{$self->path} = $self;
1711		2016
1712	$self->reset; # polite request, might not happen	2017	$self->reset; # polite request, might not happen
1713	}	2018	}
1714		2019
		2020	=item $maps = cf::map::tmp_maps
		2021
		2022	Returns an arrayref with all map paths of currently instantiated and saved
		2023	maps. May block.
		2024
		2025	=cut
		2026
		2027	sub tmp_maps() {
		2028	[
		2029	map {
		2030	utf8::decode $_;
		2031	/\.map$/
		2032	? normalise $_
		2033	: ()
		2034	} @{ aio_readdir $TMPDIR or [] }
		2035	]
		2036	}
		2037
		2038	=item $maps = cf::map::random_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	random maps. May block.
		2042
		2043	=cut
		2044
		2045	sub random_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise "?random/$_"
		2051	: ()
		2052	} @{ aio_readdir $RANDOMDIR or [] }
		2053	]
		2054	}
		2055
1715	=item cf::map::unique_maps	2056	=item cf::map::unique_maps
1716		2057
1717	Returns an arrayref of paths of all shared maps that have	2058	Returns an arrayref of paths of all shared maps that have
1718	instantiated unique items. May block.	2059	instantiated unique items. May block.
1719		2060
1720	=cut	2061	=cut
1721		2062
1722	sub unique_maps() {	2063	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2064	[
1724	or return;	2065	map {
1725
1726	my @paths;
1727
1728	for (@$files) {
1729	utf8::decode $_;	2066	utf8::decode $_;
1730	next if /\.pst$/;	2067	/\.map$/
1731	next unless /^$PATH_SEP/o;	2068	? normalise $_
1732		2069	: ()
1733	push @paths, cf::map::normalise $_;	2070	} @{ aio_readdir $UNIQUEDIR or [] }
1734	}	2071	]
1735
1736	\@paths
1737	}	2072	}
1738		2073
1739	package cf;	2074	package cf;
1740		2075
1741	=back	2076	=back
…		…
1787		2122
1788	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2123	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789		2124
1790	if ($self->{record_replies}) {	2125	if ($self->{record_replies}) {
1791	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2126	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2127
1792	} else {	2128	} else {
		2129	my $pl = $self->contr;
		2130
		2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2132	my $diag = $pl->{npc_dialog};
		2133	$diag->{pl}->ext_reply (
		2134	$diag->{id},
		2135	msgtype => "reply",
		2136	msg => $diag->{pl}->expand_cfpod ($msg),
		2137	add_topics => []
		2138	);
		2139
		2140	} else {
1793	$msg = $npc->name . " says: $msg" if $npc;	2141	$msg = $npc->name . " says: $msg" if $npc;
1794	$self->message ($msg, $flags);	2142	$self->message ($msg, $flags);
		2143	}
1795	}	2144	}
1796	}	2145	}
1797		2146
1798	=item $player_object->may ("access")	2147	=item $player_object->may ("access")
1799		2148
…		…
1847	$self->deactivate_recursive;	2196	$self->deactivate_recursive;
1848		2197
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	2198	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		2199
1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	2201	if $self->map && $self->map->{path} ne "{link}";
1853		2202
1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1855	}	2204	}
1856		2205
1857	sub cf::object::player::leave_link {	2206	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	2207	my ($self, $map, $x, $y) = @_;
		2208
		2209	return unless $self->contr->active;
1859		2210
1860	my $link_pos = delete $self->{_link_pos};	2211	my $link_pos = delete $self->{_link_pos};
1861		2212
1862	unless ($map) {	2213	unless ($map) {
1863	# restore original map position	2214	# restore original map position
…		…
1886		2237
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	2239	$self->enter_map ($map, $x, $y);
1889	}	2240	}
1890		2241
1891	cf::player->attach (
1892	on_logout => sub {
1893	my ($pl) = @_;
1894
1895	# abort map switching before logout
1896	if ($pl->ob->{_link_pos}) {
1897	cf::sync_job {
1898	$pl->ob->leave_link
1899	};
1900	}
1901	},
1902	on_login => sub {
1903	my ($pl) = @_;
1904
1905	# try to abort aborted map switching on player login :)
1906	# should happen only on crashes
1907	if ($pl->ob->{_link_pos}) {
1908	$pl->ob->enter_link;
1909	(async {
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922
1923	=item $player_object->goto ($path, $x, $y)	2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1924		2243
		2244	Moves the player to the given map-path and coordinates by first freezing
		2245	her, loading and preparing them map, calling the provided $check callback
		2246	that has to return the map if sucecssful, and then unfreezes the player on
		2247	the new (success) or old (failed) map position.
		2248
1925	=cut	2249	=cut
		2250
		2251	our $GOTOGEN;
1926		2252
1927	sub cf::object::player::goto {	2253	sub cf::object::player::goto {
1928	my ($self, $path, $x, $y) = @_;	2254	my ($self, $path, $x, $y, $check) = @_;
		2255
		2256	# do generation counting so two concurrent goto's will be executed in-order
		2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1929		2258
1930	$self->enter_link;	2259	$self->enter_link;
1931		2260
1932	(async {	2261	(async {
1933	my $map = eval {	2262	my $map = eval {
1934	my $map = cf::map::find $path;	2263	my $map = cf::map::find $path;
		2264
		2265	if ($map) {
1935	$map = $map->customise_for ($self) if $map;	2266	$map = $map->customise_for ($self);
		2267	$map = $check->($map) if $check && $map;
		2268	} else {
		2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2270	}
		2271
1936	$map	2272	$map
		2273	};
		2274
		2275	if ($@) {
		2276	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2277	LOG llevError | logBacktrace, Carp::longmess $@;
1937	} or	2278	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939		2279
		2280	if ($gen == $self->{_goto_generation}) {
		2281	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	2282	$self->leave_link ($map, $x, $y);
		2283	}
1941	})->prio (1);	2284	})->prio (1);
1942	}	2285	}
1943		2286
1944	=item $player_object->enter_exit ($exit_object)	2287	=item $player_object->enter_exit ($exit_object)
1945		2288
…		…
1984		2327
1985	$rmp->{random_seed} ||= $exit->random_seed;	2328	$rmp->{random_seed} ||= $exit->random_seed;
1986		2329
1987	my $data = cf::to_json $rmp;	2330	my $data = cf::to_json $rmp;
1988	my $md5 = Digest::MD5::md5_hex $data;	2331	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2332	my $meta = "$RANDOMDIR/$md5.meta";
1990		2333
1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2335	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2336	undef $fh;
1994	aio_rename "$meta~", $meta;	2337	aio_rename "$meta~", $meta;
…		…
2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2014	my $hp = $exit->stats->hp;	2357	my $hp = $exit->stats->hp;
2015	my $sp = $exit->stats->sp;	2358	my $sp = $exit->stats->sp;
2016		2359
2017	$self->enter_link;	2360	$self->enter_link;
		2361
		2362	# if exit is damned, update players death & WoR home-position
		2363	$self->contr->savebed ($slaying, $hp, $sp)
		2364	if $exit->flag (FLAG_DAMNED);
2018		2365
2019	(async {	2366	(async {
2020	$self->deactivate_recursive; # just to be sure	2367	$self->deactivate_recursive; # just to be sure
2021	unless (eval {	2368	unless (eval {
2022	$self->goto ($slaying, $hp, $sp);	2369	$self->goto ($slaying, $hp, $sp);
…		…
2050		2397
2051	utf8::encode $text;	2398	utf8::encode $text;
2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2399	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2053	}	2400	}
2054		2401
		2402	=item $client->send_msg ($color, $type, $msg, [extra...])
		2403
		2404	Send a drawinfo or msg packet to the client, formatting the msg for the
		2405	client if neccessary. C<$type> should be a string identifying the type of
		2406	the message, with C<log> being the default. If C<$color> is negative, suppress
		2407	the message unless the client supports the msg packet.
		2408
		2409	=cut
		2410
		2411	sub cf::client::send_msg {
		2412	my ($self, $color, $type, $msg, @extra) = @_;
		2413
		2414	$msg = $self->pl->expand_cfpod ($msg);
		2415
		2416	return unless @extra || length $msg;
		2417
		2418	if ($self->can_msg) {
		2419	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2420	} else {
		2421	# replace some tags by gcfclient-compatible ones
		2422	for ($msg) {
		2423	1 while
		2424	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2425	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2426	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2427	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2428	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2429	}
		2430
		2431	if ($color >= 0) {
		2432	if (0 && $msg =~ /\[/) {
		2433	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2434	} else {
		2435	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2436	$self->send_packet ("drawinfo $color $msg")
		2437	}
		2438	}
		2439	}
		2440	}
		2441
2055	=item $client->ext_event ($type, %msg)	2442	=item $client->ext_event ($type, %msg)
2056		2443
2057	Sends an exti event to the client.	2444	Sends an ext event to the client.
2058		2445
2059	=cut	2446	=cut
2060		2447
2061	sub cf::client::ext_event($$%) {	2448	sub cf::client::ext_event($$%) {
2062	my ($self, $type, %msg) = @_;	2449	my ($self, $type, %msg) = @_;
2063		2450
2064	$msg{msgtype} = "event_$type";	2451	$msg{msgtype} = "event_$type";
2065	$self->send_packet ("ext " . cf::to_json \%msg);	2452	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2066	}	2453	}
2067		2454
2068	=item $success = $client->query ($flags, "text", \&cb)	2455	=item $success = $client->query ($flags, "text", \&cb)
2069		2456
2070	Queues a query to the client, calling the given callback with	2457	Queues a query to the client, calling the given callback with
2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2458	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2072	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2459	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2073		2460
2074	Queries can fail, so check the return code. Or don't, as queries will become	2461	Queries can fail, so check the return code. Or don't, as queries will
2075	reliable at some point in the future.	2462	become reliable at some point in the future.
2076		2463
2077	=cut	2464	=cut
2078		2465
2079	sub cf::client::query {	2466	sub cf::client::query {
2080	my ($self, $flags, $text, $cb) = @_;	2467	my ($self, $flags, $text, $cb) = @_;
…		…
2088	utf8::encode $text;	2475	utf8::encode $text;
2089	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2476	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090		2477
2091	$self->send_packet ($self->{query_queue}[0][0])	2478	$self->send_packet ($self->{query_queue}[0][0])
2092	if @{ $self->{query_queue} } == 1;	2479	if @{ $self->{query_queue} } == 1;
		2480
		2481	1
2093	}	2482	}
2094		2483
2095	cf::client->attach (	2484	cf::client->attach (
		2485	on_connect => sub {
		2486	my ($ns) = @_;
		2487
		2488	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2489	},
2096	on_reply => sub {	2490	on_reply => sub {
2097	my ($ns, $msg) = @_;	2491	my ($ns, $msg) = @_;
2098		2492
2099	# this weird shuffling is so that direct followup queries	2493	# this weird shuffling is so that direct followup queries
2100	# get handled first	2494	# get handled first
…		…
2112	} else {	2506	} else {
2113	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2507	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114	}	2508	}
2115	}	2509	}
2116	},	2510	},
		2511	on_exticmd => sub {
		2512	my ($ns, $buf) = @_;
		2513
		2514	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2515
		2516	if (ref $msg) {
		2517	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2518	if (my %reply = $cb->($ns, $msg)) {
		2519	$reply{msgid} = $msg->{msgid};
		2520	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2521	}
		2522	}
		2523	} else {
		2524	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2525	}
		2526
		2527	cf::override;
		2528	},
2117	);	2529	);
2118		2530
2119	=item $client->async (\&cb)	2531	=item $client->async (\&cb)
2120		2532
2121	Create a new coroutine, running the specified callback. The coroutine will	2533	Create a new coroutine, running the specified callback. The coroutine will
…		…
2170		2582
2171	=pod	2583	=pod
2172		2584
2173	The following functions and methods are available within a safe environment:	2585	The following functions and methods are available within a safe environment:
2174		2586
2175	cf::object contr pay_amount pay_player map	2587	cf::object
		2588	contr pay_amount pay_player map x y force_find force_add
		2589	insert remove
		2590
2176	cf::object::player player	2591	cf::object::player
2177	cf::player peaceful	2592	player
2178	cf::map trigger	2593
		2594	cf::player
		2595	peaceful
		2596
		2597	cf::map
		2598	trigger
2179		2599
2180	=cut	2600	=cut
2181		2601
2182	for (	2602	for (
2183	["cf::object" => qw(contr pay_amount pay_player map)],	2603	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2604	insert remove)],
2184	["cf::object::player" => qw(player)],	2605	["cf::object::player" => qw(player)],
2185	["cf::player" => qw(peaceful)],	2606	["cf::player" => qw(peaceful)],
2186	["cf::map" => qw(trigger)],	2607	["cf::map" => qw(trigger)],
2187	) {	2608	) {
2188	no strict 'refs';	2609	no strict 'refs';
…		…
2259	=back	2680	=back
2260		2681
2261	=cut	2682	=cut
2262		2683
2263	#############################################################################	2684	#############################################################################
2264
2265	=head2 EXTENSION DATABASE SUPPORT
2266
2267	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which
2269	excludes objects.
2270
2271	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.
2273
2274	=over 4
2275
2276	=item $value = cf::db_get $family => $key
2277
2278	Returns a single value from the database.
2279
2280	=item cf::db_put $family => $key => $value
2281
2282	Stores the given C<$value> in the family.
2283
2284	=cut
2285
2286	our $DB;
2287
2288	sub db_init {
2289	unless ($DB) {
2290	$DB = BDB::db_create $DB_ENV;
2291
2292	cf::sync_job {
2293	eval {
2294	$DB->set_flags (BDB::CHKSUM);
2295
2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;
2299	};
2300	cf::cleanup "db_open(db): $@" if $@;
2301	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}
2317	}
2318
2319	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";
2321
2322	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;
2324
2325	$! ? ()
2326	: Compress::LZF::sthaw $data
2327	}
2328	}
2329
2330	sub db_put($$$) {
2331	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333	}
2334
2335	#############################################################################
2336	# the server's init and main functions	2685	# the server's init and main functions
2337		2686
2338	sub load_facedata {	2687	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	2688	my ($path) = @_;
2340		2689
2341	warn "loading facedata from $path\n";	2690	warn "loading facedata from $path\n";
2342		2691
2343	my $facedata;	2692	my $facedata;
2344	0 < aio_load $path, $facedata	2693	0 < aio_load $path, $facedata
…		…
2385	}	2734	}
2386		2735
2387	1	2736	1
2388	}	2737	}
2389		2738
		2739	sub reload_regions {
		2740	load_resource_file "$MAPDIR/regions"
		2741	or die "unable to load regions file\n";
		2742	}
		2743
		2744	sub reload_facedata {
		2745	load_facedata "$DATADIR/facedata"
		2746	or die "unable to load facedata\n";
		2747	}
		2748
		2749	sub reload_archetypes {
		2750	load_resource_file "$DATADIR/archetypes"
		2751	or die "unable to load archetypes\n";
		2752	#d# NEED to laod twice to resolve forward references
		2753	# this really needs to be done in an extra post-pass
		2754	# (which needs to be synchronous, so solve it differently)
		2755	load_resource_file "$DATADIR/archetypes"
		2756	or die "unable to load archetypes\n";
		2757	}
		2758
		2759	sub reload_treasures {
		2760	load_resource_file "$DATADIR/treasures"
		2761	or die "unable to load treasurelists\n";
		2762	}
		2763
2390	sub reload_resources {	2764	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2765	warn "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	2766
		2767	reload_regions;
2393	load_facedata	2768	reload_facedata;
2394	or die "unable to load facedata\n";#d#	2769	#reload_archetypes;#d#
		2770	reload_archetypes;
		2771	reload_treasures;
		2772
		2773	warn "finished reloading resource files\n";
2395	}	2774	}
2396		2775
2397	sub init {	2776	sub init {
2398	reload_resources;	2777	reload_resources;
2399	}	2778	}
2400		2779
2401	sub cfg_load {	2780	sub cfg_load {
2402	open my $fh, "<:utf8", cf::confdir . "/config"	2781	open my $fh, "<:utf8", "$CONFDIR/config"
2403	or return;	2782	or return;
2404		2783
2405	local $/;	2784	local $/;
2406	*CFG = YAML::Syck::Load <$fh>;	2785	*CFG = YAML::Syck::Load <$fh>;
2407		2786
…		…
2452	},	2831	},
2453	);	2832	);
2454	}	2833	}
2455	}	2834	}
2456		2835
		2836	sub write_runtime {
		2837	my $runtime = "$LOCALDIR/runtime";
		2838
		2839	# first touch the runtime file to show we are still running:
		2840	# the fsync below can take a very very long time.
		2841
		2842	IO::AIO::aio_utime $runtime, undef, undef;
		2843
		2844	my $guard = cf::lock_acquire "write_runtime";
		2845
		2846	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2847	or return;
		2848
		2849	my $value = $cf::RUNTIME + 90 + 10;
		2850	# 10 is the runtime save interval, for a monotonic clock
		2851	# 60 allows for the watchdog to kill the server.
		2852
		2853	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2854	and return;
		2855
		2856	# always fsync - this file is important
		2857	aio_fsync $fh
		2858	and return;
		2859
		2860	# touch it again to show we are up-to-date
		2861	aio_utime $fh, undef, undef;
		2862
		2863	close $fh
		2864	or return;
		2865
		2866	aio_rename "$runtime~", $runtime
		2867	and return;
		2868
		2869	warn "runtime file written.\n";
		2870
		2871	1
		2872	}
		2873
2457	sub emergency_save() {	2874	sub emergency_save() {
2458	my $freeze_guard = cf::freeze_mainloop;	2875	my $freeze_guard = cf::freeze_mainloop;
2459		2876
2460	warn "enter emergency perl save\n";	2877	warn "enter emergency perl save\n";
2461		2878
…		…
2492		2909
2493	warn Carp::longmess "post_cleanup backtrace"	2910	warn Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	2911	if $make_core;
2495	}	2912	}
2496		2913
2497	sub reload() {	2914	sub do_reload_perl() {
2498	# can/must only be called in main	2915	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	2916	if ($Coro::current != $Coro::main) {
2500	warn "can only reload from main coroutine";	2917	warn "can only reload from main coroutine";
2501	return;	2918	return;
2502	}	2919	}
…		…
2536	%EXT_CORO = ();	2953	%EXT_CORO = ();
2537		2954
2538	warn "removing commands";	2955	warn "removing commands";
2539	%COMMAND = ();	2956	%COMMAND = ();
2540		2957
2541	warn "removing ext commands";	2958	warn "removing ext/exti commands";
2542	%EXTCMD = ();	2959	%EXTCMD = ();
		2960	%EXTICMD = ();
2543		2961
2544	warn "unloading/nuking all extensions";	2962	warn "unloading/nuking all extensions";
2545	for my $pkg (@EXTS) {	2963	for my $pkg (@EXTS) {
2546	warn "... unloading $pkg";	2964	warn "... unloading $pkg";
2547		2965
…		…
2577	Symbol::delete_package "safe::$_"	2995	Symbol::delete_package "safe::$_"
2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2579		2997
2580	warn "unloading cf.pm \"a bit\"";	2998	warn "unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	2999	delete $INC{"cf.pm"};
		3000	delete $INC{"cf/pod.pm"};
2582		3001
2583	# don't, removes xs symbols, too,	3002	# don't, removes xs symbols, too,
2584	# and global variables created in xs	3003	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	3004	#Symbol::delete_package __PACKAGE__;
2586		3005
…		…
2601	warn "reattaching attachments to maps";	3020	warn "reattaching attachments to maps";
2602	reattach $_ for values %MAP;	3021	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	3022	warn "reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	3023	reattach $_ for values %PLAYER;
2605		3024
2606	warn "loading reloadable resources";
2607	reload_resources;
2608
2609	warn "leaving sync_job";	3025	warn "leaving sync_job";
2610		3026
2611	1	3027	1
2612	} or do {	3028	} or do {
2613	warn $@;	3029	warn $@;
…		…
2618	warn "reloaded";	3034	warn "reloaded";
2619	};	3035	};
2620		3036
2621	our $RELOAD_WATCHER; # used only during reload	3037	our $RELOAD_WATCHER; # used only during reload
2622		3038
		3039	sub reload_perl() {
		3040	# doing reload synchronously and two reloads happen back-to-back,
		3041	# coro crashes during coro_state_free->destroy here.
		3042
		3043	$RELOAD_WATCHER ||= Event->timer (
		3044	reentrant => 0,
		3045	after => 0,
		3046	data => WF_AUTOCANCEL,
		3047	cb => sub {
		3048	do_reload_perl;
		3049	undef $RELOAD_WATCHER;
		3050	},
		3051	);
		3052	}
		3053
2623	register_command "reload" => sub {	3054	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	3055	my ($who, $arg) = @_;
2625		3056
2626	if ($who->flag (FLAG_WIZ)) {	3057	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	3058	$who->message ("reloading server.");
2628		3059	async { reload_perl };
2629	# doing reload synchronously and two reloads happen back-to-back,
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER ||= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);
2641	}	3060	}
2642	};	3061	};
2643		3062
2644	unshift @INC, $LIBDIR;	3063	unshift @INC, $LIBDIR;
2645		3064
2646	my $bug_warning = 0;	3065	my $bug_warning = 0;
2647		3066
		3067	our @WAIT_FOR_TICK;
		3068	our @WAIT_FOR_TICK_BEGIN;
		3069
		3070	sub wait_for_tick {
		3071	return unless $TICK_WATCHER->is_active;
		3072	return if $Coro::current == $Coro::main;
		3073
		3074	my $signal = new Coro::Signal;
		3075	push @WAIT_FOR_TICK, $signal;
		3076	$signal->wait;
		3077	}
		3078
		3079	sub wait_for_tick_begin {
		3080	return unless $TICK_WATCHER->is_active;
		3081	return if $Coro::current == $Coro::main;
		3082
		3083	my $signal = new Coro::Signal;
		3084	push @WAIT_FOR_TICK_BEGIN, $signal;
		3085	$signal->wait;
		3086	}
		3087
		3088	my $min = 1e6;#d#
		3089	my $avg = 10;
2648	$TICK_WATCHER = Event->timer (	3090	$TICK_WATCHER = Event->timer (
2649	reentrant => 0,	3091	reentrant => 0,
2650	parked => 1,	3092	parked => 1,
2651	prio => 0,	3093	prio => 0,
2652	at => $NEXT_TICK || $TICK,	3094	at => $NEXT_TICK || $TICK,
…		…
2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3098	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657	unless ++$bug_warning > 10;	3099	unless ++$bug_warning > 10;
2658	return;	3100	return;
2659	}	3101	}
2660		3102
2661	$NOW = Event::time;	3103	$NOW = $tick_start = Event::time;
2662		3104
2663	cf::server_tick; # one server iteration	3105	cf::server_tick; # one server iteration
		3106
		3107	0 && sync_job {#d#
		3108	for(1..10) {
		3109	my $t = Event::time;
		3110	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3111	or die;
		3112
		3113	$map->width (50);
		3114	$map->height (50);
		3115	$map->alloc;
		3116	$map->_load_objects ("/tmp/x.map", 1);
		3117	my $t = Event::time - $t;
		3118
		3119	#next unless $t < 0.0013;#d#
		3120	if ($t < $min) {
		3121	$min = $t;
		3122	}
		3123	$avg = $avg * 0.99 + $t * 0.01;
		3124	}
		3125	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3126	exit 0;
		3127	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3128	};
		3129
2664	$RUNTIME += $TICK;	3130	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;	3131	$NEXT_TICK += $TICK;
2666		3132
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3133	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	3134	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2670	write_runtime	3136	write_runtime
2671	or warn "ERROR: unable to write runtime file: $!";	3137	or warn "ERROR: unable to write runtime file: $!";
2672	};	3138	};
2673	}	3139	}
2674		3140
2675	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678	# my $AFTER = Event::time;	3141	# my $AFTER = Event::time;
2679	# warn $AFTER - $NOW;#d#	3142	# warn $AFTER - $NOW;#d#
2680		3143
		3144	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3145	$sig->send;
		3146	}
		3147	while (my $sig = shift @WAIT_FOR_TICK) {
		3148	$sig->send;
		3149	}
		3150
		3151	$NOW = Event::time;
		3152
2681	# if we are delayed by four ticks or more, skip them all	3153	# if we are delayed by four ticks or more, skip them all
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3154	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2683		3155
2684	$TICK_WATCHER->at ($NEXT_TICK);	3156	$TICK_WATCHER->at ($NEXT_TICK);
2685	$TICK_WATCHER->start;	3157	$TICK_WATCHER->start;
		3158
		3159	$LOAD = ($NOW - $tick_start) / $TICK;
		3160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3161
		3162	_post_tick;
		3163
		3164
2686	},	3165	},
2687	);	3166	);
2688		3167
2689	{	3168	{
2690	BDB::max_poll_time $TICK * 0.1;	3169	BDB::max_poll_time $TICK * 0.1;
…		…
2718		3197
2719	cf::sync_job {	3198	cf::sync_job {
2720	eval {	3199	eval {
2721	BDB::db_env_open	3200	BDB::db_env_open
2722	$DB_ENV,	3201	$DB_ENV,
2723	$BDB_ENV_DIR,	3202	$BDBDIR,
2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3203	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3204	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726	0666;	3205	0666;
2727		3206
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3207	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729		3208
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;	3210	$DB_ENV->set_lk_detect;
2732	};	3211	};
2733		3212
…		…
2749	prio => 6,	3228	prio => 6,
2750	cb => \&IO::AIO::poll_cb,	3229	cb => \&IO::AIO::poll_cb,
2751	);	3230	);
2752	}	3231	}
2753		3232
		3233	my $_log_backtrace;
		3234
		3235	sub _log_backtrace {
		3236	my ($msg, @addr) = @_;
		3237
		3238	$msg =~ s/\n//;
		3239
		3240	# limit the # of concurrent backtraces
		3241	if ($_log_backtrace < 2) {
		3242	++$_log_backtrace;
		3243	async {
		3244	my @bt = fork_call {
		3245	@addr = map { sprintf "%x", $_ } @addr;
		3246	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3247	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3248	or die "addr2line: $!";
		3249
		3250	my @funcs;
		3251	my @res = <$fh>;
		3252	chomp for @res;
		3253	while (@res) {
		3254	my ($func, $line) = splice @res, 0, 2, ();
		3255	push @funcs, "[$func] $line";
		3256	}
		3257
		3258	@funcs
		3259	};
		3260
		3261	LOG llevInfo, "[ABT] $msg\n";
		3262	LOG llevInfo, "[ABT] $_\n" for @bt;
		3263	--$_log_backtrace;
		3264	};
		3265	} else {
		3266	LOG llevInfo, "[ABT] $msg\n";
		3267	LOG llevInfo, "[ABT] [suppressed]\n";
		3268	}
		3269	}
		3270
		3271	# load additional modules
		3272	use cf::pod;
		3273
2754	END { cf::emergency_save }	3274	END { cf::emergency_save }
2755		3275
2756	1	3276	1
2757		3277

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