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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC

…		…
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 Socket;
9	use Storable;
10	use Event;	9	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
94		105
95	binmode STDOUT;	106	binmode STDOUT;
96	binmode STDERR;	107	binmode STDERR;
97		108
98	# read virtual server time, if available	109	# read virtual server time, if available
…		…
139		150
140	=item $cf::TICK	151	=item $cf::TICK
141		152
142	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
143		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
144	=item %cf::CFG	165	=item %cf::CFG
145		166
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	168	from wherever your confdir points to.
148		169
…		…
150		171
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
155	=back	182	=back
156		183
157	=cut	184	=cut
158		185
159	BEGIN {	186	BEGIN {
…		…
163	$msg .= "\n"	190	$msg .= "\n"
164	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
165		192
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		194
168	utf8::encode $msg;
169	LOG llevError, $msg;	195	LOG llevError, $msg;
170	};	196	};
171	}	197	}
172		198
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		206
180	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	208	# within the Safe compartment.
182	for my $pkg (qw(	209	for my $pkg (qw(
183	cf::global cf::attachable	210	cf::global cf::attachable
…		…
191	}	218	}
192		219
193	$Event::DIED = sub {	220	$Event::DIED = sub {
194	warn "error in event callback: @_";	221	warn "error in event callback: @_";
195	};	222	};
		223
		224	#############################################################################
196		225
197	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
198		227
199	=over 4	228	=over 4
200		229
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	249	$d
221	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
222	}	251	}
223		252
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
227		254
228	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
229		256
230	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
231		258
232	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
233		267
234	=item cf::lock_wait $string	268	=item cf::lock_wait $string
235		269
236	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
237		271
…		…
240	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
243	returned.	277	returned.
244		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
245	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
247		284
248	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
249		286
250	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
251		288
252	=cut	289	=cut
253		290
254	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
255		293
256	sub lock_wait($) {	294	sub lock_wait($) {
257	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
258		301
259	# wait for lock, if any	302	# wait for lock, if any
260	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	305	Coro::schedule;
…		…
268		311
269	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
270	lock_wait $key;	313	lock_wait $key;
271		314
272	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
273		317
274	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
277	}	322	}
278	}	323	}
279		324
…		…
291	};	336	};
292	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
293	$guard	338	$guard
294	}	339	}
295		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
296	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
297		400
298	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
303		406
304	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
305		408
306	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
307		410
308	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
311		415
312	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
315	fast or be very important.	419	fast or be very important.
…		…
318		422
319	sub sync_job(&) {	423	sub sync_job(&) {
320	my ($job) = @_;	424	my ($job) = @_;
321		425
322	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
323	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
325		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
326	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	435	# (but this is cancel-safe)
328	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
329		437
330	my $busy = 1;	438	my $busy = 1;
331	my @res;	439	my @res;
332		440
333	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	443	@res = eval { $job->() };
335	warn $@ if $@;	444	warn $@ if $@;
336	undef $busy;	445	undef $busy;
337	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
338		447
339	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
340	Coro::cede or Event::one_event;	452	Event::one_event;
341	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
342		462
343	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
344	} else {	464	} else {
345	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
346		466
…		…
366	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
367		487
368	$coro	488	$coro
369	}	489	}
370		490
371	sub write_runtime {	491	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		492
374	my $runtime = "$LOCALDIR/runtime";	493	Executes the given code block with the given arguments in a seperate
		494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
375		497
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	498	=cut
377	or return;
378		499
379	my $value = $cf::RUNTIME + 90 + 10;	500	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	501	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		502
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	# we seemingly have to make a local copy of the whole thing,
384	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
385		506
386	# always fsync - this file is important	507	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	508	reset_signals;
388	and return;	509	&$cb
		510	}, @args;
389		511
390	close $fh	512	wantarray ? @res : $res[-1]
391	or return;	513	}
392		514
393	aio_rename "$runtime~", $runtime	515	=item $value = cf::db_get $family => $key
394	and return;
395		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
396	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
397	}	640	}
398		641
399	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
400		643
401	Log a datalog packet of the given type with the given key-value pairs.	644	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
421		664
422	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	667	Crossfire TRT).
425		668
426	=over 4	669	=over 4
427		670
428	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
429		672
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
593		836
594	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		841
599	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	843	my $pkg = shift @arg;
601		844
602	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
632	}	875	}
633		876
634	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
635	} else {	878	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	880	}
638		881
639	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
640	}	883	}
641		884
…		…
643	if (ref $_[0]) {	886	if (ref $_[0]) {
644	_object_attach @_;	887	_object_attach @_;
645	} else {	888	} else {
646	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
647	}	890	}
		891	_recalc_want;
648	};	892	};
649		893
650	# all those should be optimised	894	# all those should be optimised
651	sub cf::attachable::detach {	895	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
656	reattach ($obj);	900	reattach ($obj);
657	} else {	901	} else {
658	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
659	}	903	}
		904	_recalc_want;
660	};	905	};
661		906
662	sub cf::attachable::attached {	907	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
664		909
…		…
679	";	924	";
680	die if $@;	925	die if $@;
681	}	926	}
682		927
683	our $override;	928	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		930
686	sub override {	931	sub override {
687	$override = 1;	932	$override = 1;
688	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
689	}	934	}
690		935
691	sub do_invoke {	936	sub do_invoke {
692	my $event = shift;	937	my $event = shift;
693	my $callbacks = shift;	938	my $callbacks = shift;
694		939
695	@invoke_results = ();	940	@INVOKE_RESULTS = ();
696		941
697	local $override;	942	local $override;
698		943
699	for (@$callbacks) {	944	for (@$callbacks) {
700	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
717		962
718	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
719		964
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		968
724	=back	969	=back
725		970
726	=cut	971	=cut
727		972
728	#############################################################################	973	#############################################################################
729	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
730		1017
731	sub reattach {	1018	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1020	my ($obj) = @_;
734		1021
…		…
781	sub object_freezer_save {	1068	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
783		1070
784	sync_job {	1071	sync_job {
785	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
788		1076
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1081	close $fh;
794		1082
795	if (@$objs) {	1083	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1089	close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
803	}	1091	}
…		…
811	}	1099	}
812	} else {	1100	} else {
813	aio_unlink $filename;	1101	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
815	}	1103	}
816	}	1104	};
817	}	1105	}
818		1106
819	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
821		1109
…		…
833	or return;	1121	or return;
834		1122
835	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
837	or return;	1125	or return;
838	$av = eval { (Storable::thaw $av)->{objs} };
839	}
840		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
843	return ($data, $av);	1136	($data, $av)
844	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
845		1144
846	#############################################################################	1145	#############################################################################
847	# command handling &c	1146	# command handling &c
848		1147
849	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1162	}
864		1163
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1165
867	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
868		1171
869	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
870	called.	1173	called.
871		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
872	=cut	1186	=cut
873		1187
874	sub register_extcmd {	1188	sub register_extcmd {
875	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
876		1190
877	$EXTCMD{$name} = $cb;	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
878	}	1198	}
879		1199
880	cf::player->attach (	1200	cf::player->attach (
881	on_command => sub {	1201	on_command => sub {
882	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1211	cf::override;
892	},	1212	},
893	on_extcmd => sub {	1213	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
895		1215
896	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1217
898	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
904	} else {	1233	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1235	}
907		1236
908	cf::override;	1237	cf::override;
909	},	1238	},
910	);	1239	);
911		1240
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
947	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1246	next unless -r $path;
949	eval {	1247
950	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
951	1	1305	}
952	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
953	}	1311	};
954	}	1312	}
955		1313
956	#############################################################################	1314	#############################################################################
957		1315
		1316	=back
		1317
958	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
959		1319
960	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
961		1321
962	=cut	1322	=cut
…		…
966	use Coro::AIO;	1326	use Coro::AIO;
967		1327
968	=head3 cf::player	1328	=head3 cf::player
969		1329
970	=over 4	1330	=over 4
		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
971		1345
972	=item cf::player::find $login	1346	=item cf::player::find $login
973		1347
974	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
975		1349
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1388	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1389
1016	my $pl = load_pl path $login	1390	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
1019	}	1398	}
1020	}	1399	}
1021	}	1400	}
1022		1401
…		…
1032		1411
1033	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
1035		1414
1036	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
1037	Coro::cede;	1416	cf::cede_to_tick;
1038	}	1417	}
1039		1418
1040	sub new($) {	1419	sub new($) {
1041	my ($login) = @_;	1420	my ($login) = @_;
1042		1421
…		…
1046	$self->{deny_save} = 1;	1425	$self->{deny_save} = 1;
1047		1426
1048	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
1049		1428
1050	$self	1429	$self
		1430	}
		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
1051	}	1440	}
1052		1441
1053	=item $pl->quit_character	1442	=item $pl->quit_character
1054		1443
1055	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1499	or return [];
1111		1500
1112	my @logins;	1501	my @logins;
1113		1502
1114	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1118		1512
1119	utf8::decode $login;	1513	utf8::decode $login;
1120	push @logins, $login;	1514	push @logins, $login;
1121	}	1515	}
1122		1516
…		…
1149	}	1543	}
1150		1544
1151	\@paths	1545	\@paths
1152	}	1546	}
1153		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1154	=item $player->ext_reply ($msgid, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1155		1600
1156	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1157		1602
1158	=cut	1603	=cut
1159		1604
1160	sub ext_reply($$%) {	1605	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1162		1607
1163	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1609	}
1167		1610
1168	=item $player->ext_event ($type, %msg)	1611	=item $player->ext_msg ($type, @msg)
1169		1612
1170	Sends an ext event to the client.	1613	Sends an ext event to the client.
1171		1614
1172	=cut	1615	=cut
1173		1616
1174	sub ext_event($$%) {	1617	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1618	my ($self, $type, @msg) = @_;
1176		1619
1177	$self->ns->ext_event ($type, %msg);	1620	$self->ns->ext_msg ($type, @msg);
1178	}	1621	}
1179		1622
1180	=head3 cf::region	1623	=head3 cf::region
1181		1624
1182	=over 4	1625	=over 4
…		…
1185		1628
1186	package cf::region;	1629	package cf::region;
1187		1630
1188	=item cf::region::find_by_path $path	1631	=item cf::region::find_by_path $path
1189		1632
1190	Tries to decuce the probable region for a map knowing only its path.	1633	Tries to decuce the likely region for a map knowing only its path.
1191		1634
1192	=cut	1635	=cut
1193		1636
1194	sub find_by_path($) {	1637	sub find_by_path($) {
1195	my ($path) = @_;	1638	my ($path) = @_;
1196		1639
1197	my ($match, $specificity);	1640	my ($match, $specificity);
1198		1641
1199	for my $region (list) {	1642	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1643	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1644	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1645	if $region->specificity > $specificity;
1203	}	1646	}
1204	}	1647	}
1205		1648
…		…
1269	my ($self, $merge) = @_;	1712	my ($self, $merge) = @_;
1270		1713
1271	# we have to keep some variables in memory intact	1714	# we have to keep some variables in memory intact
1272	local $self->{path};	1715	local $self->{path};
1273	local $self->{load_path};	1716	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1717
1277	$self->SUPER::thawer_merge ($merge);	1718	$self->SUPER::thawer_merge ($merge);
1278	}	1719	}
1279		1720
1280	sub normalise {	1721	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1768	$self->init; # pass $1 etc.
1328	return $self;	1769	return $self;
1329	}	1770	}
1330	}	1771	}
1331		1772
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1774	()
1334	}	1775	}
1335		1776
1336	sub init {	1777	sub init {
1337	my ($self) = @_;	1778	my ($self) = @_;
…		…
1380		1821
1381	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1383	}	1824	}
1384		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
1385	sub unlink_save {	1834	sub unlink_save {
1386	my ($self) = @_;	1835	my ($self) = @_;
1387		1836
1388	utf8::encode (my $save = $self->save_path);	1837	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1841
1393	sub load_header_from($) {	1842	sub load_header_from($) {
1394	my ($self, $path) = @_;	1843	my ($self, $path) = @_;
1395		1844
1396	utf8::encode $path;	1845	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1847	or return;
		1848
		1849	$self->_load_header ($f)
		1850	or return;
		1851
		1852	local $MAP_LOADING{$self->{path}} = $self;
		1853	$f->resolve_delayed_derefs;
1402		1854
1403	$self->{load_path} = $path;	1855	$self->{load_path} = $path;
1404		1856
1405	1	1857	1
1406	}	1858	}
…		…
1445	$self->load_header_orig	1897	$self->load_header_orig
1446	or return;	1898	or return;
1447	$self->prepare_orig;	1899	$self->prepare_orig;
1448	}	1900	}
1449		1901
		1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
		1904
1450	$self->default_region (cf::region::find_by_path $self->{path})	1905	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1906	unless $self->default_region;
1452		1907
1453	1	1908	1
1454	}	1909	}
…		…
1457	sub find {	1912	sub find {
1458	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1459		1914
1460	$path = normalise $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1461		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1918	cf::lock_wait "map_find:$path";
1463		1919
1464	$cf::MAP{$path} || do {	1920	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1923
1466	my $map = new_from_path cf::map $path	1924	my $map = new_from_path cf::map $path
1467	or return;	1925	or return;
1468		1926
1469	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1470		1928
1471	$map->load_header	1929	$map->load_header
1472	or return;	1930	or return;
1473		1931
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1933	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1477	$map->reset;	1937	$map->reset;
1478	undef $guard;
1479	return find $path;	1938	return find $path;
1480	}	1939	}
1481		1940
1482	$cf::MAP{$path} = $map	1941	$cf::MAP{$path} = $map
1483	}	1942	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1951	local $self->{deny_reset} = 1; # loading can take a long time
1493		1952
1494	my $path = $self->{path};	1953	my $path = $self->{path};
1495		1954
1496	{	1955	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1956	my $guard = cf::lock_acquire "map_data:$path";
1498		1957
		1958	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1960
1501	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1502		1962
1503	$self->alloc;	1963	$self->alloc;
1504		1964
1505	$self->pre_load;	1965	$self->pre_load;
1506	Coro::cede;	1966	cf::cede_to_tick;
1507		1967
		1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	1970	$self->_load_objects ($f)
1509	or return;	1971	or return;
1510		1972
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	1974	if delete $self->{load_original};
1513		1975
1514	if (my $uniq = $self->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	1977	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	1980	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1519	}	1984	}
1520	}	1985	}
1521		1986
1522	Coro::cede;	1987	$f->resolve_delayed_derefs;
		1988
		1989	cf::cede_to_tick;
1523	# now do the right thing for maps	1990	# now do the right thing for maps
1524	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	1992	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	1993	unless $self->difficulty;
1527	Coro::cede;	1994	cf::cede_to_tick;
1528		1995
1529	unless ($self->{deny_activate}) {	1996	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	1997	$self->decay_objects;
1531	$self->fix_auto_apply;	1998	$self->fix_auto_apply;
1532	$self->update_buttons;	1999	$self->update_buttons;
1533	Coro::cede;	2000	cf::cede_to_tick;
1534	$self->set_darkness_map;	2001	$self->set_darkness_map;
1535	Coro::cede;	2002	cf::cede_to_tick;
1536	$self->activate;	2003	$self->activate;
1537	}	2004	}
1538		2005
		2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
		2008
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2009	$self->in_memory (cf::MAP_IN_MEMORY);
1540
1541	undef $guard;
1542	}	2010	}
1543		2011
1544	$self->post_load;	2012	$self->post_load;
1545	}	2013	}
1546		2014
…		…
1548	my ($self, $ob) = @_;	2016	my ($self, $ob) = @_;
1549		2017
1550	return find "~" . $ob->name . "/" . $self->{path}	2018	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	2019	if $self->per_player;
1552		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
1553	$self	2024	$self
1554	}	2025	}
1555		2026
1556	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	2028	sub load_neighbours {
1558	my ($map) = @_;	2029	my ($map) = @_;
1559		2030
1560	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1561		2032
1562	for (0 .. 3) {	2033	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1564	or next;	2035	or next;
1565	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1566	or next;	2037	or next;
1567	$neigh->load;	2038	$neigh->load;
1568		2039
		2040	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	2043	}
1572		2044
1573	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1575	or next;	2048	or next;
1576	$neigh->load;	2049	$neigh->load;
1577	}	2050	}
1578	}	2051	}
1579		2052
…		…
1584	}	2057	}
1585		2058
1586	sub do_load_sync {	2059	sub do_load_sync {
1587	my ($map) = @_;	2060	my ($map) = @_;
1588		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1589	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1590	}	2066	}
1591		2067
1592	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2069	our $MAP_PREFETCHER = undef;
1594		2070
1595	sub find_async {	2071	sub find_async {
1596	my ($path, $origin) = @_;	2072	my ($path, $origin, $load) = @_;
1597		2073
1598	$path = normalise $path, $origin && $origin->{path};	2074	$path = normalise $path, $origin && $origin->{path};
1599		2075
1600	if (my $map = $cf::MAP{$path}) {	2076	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1602	}	2078	}
1603		2079
1604	undef $MAP_PREFETCH{$path};	2080	$MAP_PREFETCH{$path} |= $load;
		2081
1605	$MAP_PREFETCHER ||= cf::async {	2082	$MAP_PREFETCHER ||= cf::async {
		2083	$Coro::current->{desc} = "map prefetcher";
		2084
1606	while (%MAP_PREFETCH) {	2085	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2086	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2087	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2088	$map->load if $v;
		2089	}
1611		2090
1612	delete $MAP_PREFETCH{$path};	2091	delete $MAP_PREFETCH{$k};
1613	}	2092	}
1614	}	2093	}
1615	undef $MAP_PREFETCHER;	2094	undef $MAP_PREFETCHER;
1616	};	2095	};
1617	$MAP_PREFETCHER->prio (6);	2096	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2099	}
1621		2100
1622	sub save {	2101	sub save {
1623	my ($self) = @_;	2102	my ($self) = @_;
1624		2103
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2105
1627	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1628		2107
1629	return unless $self->dirty;	2108	return unless $self->dirty;
1630		2109
…		…
1636	return if $self->{deny_save};	2115	return if $self->{deny_save};
1637		2116
1638	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1639		2118
1640	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1641	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1642	};	2122	};
1643		2123
1644	if ($uniq) {	2124	if ($uniq) {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1653	my ($self) = @_;	2133	my ($self) = @_;
1654		2134
1655	# save first because save cedes	2135	# save first because save cedes
1656	$self->save;	2136	$self->save;
1657		2137
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2139
1660	return if $self->players;	2140	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1662	return if $self->{deny_save};	2142	return if $self->{deny_save};
1663		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1664	$self->clear;	2148	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2149	}
1667		2150
1668	sub reset_at {	2151	sub reset_at {
1669	my ($self) = @_;	2152	my ($self) = @_;
1670		2153
1671	# TODO: safety, remove and allow resettable per-player maps	2154	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2155	return 1e99 if $self->{deny_reset};
1674		2156
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2159
…		…
1688	my ($self) = @_;	2170	my ($self) = @_;
1689		2171
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2173
1692	return if $self->players;	2174	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2175
1695	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
1696		2177
1697	$self->in_memory (cf::MAP_SWAPPED);	2178	$self->in_memory (cf::MAP_SWAPPED);
1698		2179
1699	# need to save uniques path	2180	# need to save uniques path
1700	unless ($self->{deny_save}) {	2181	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2185	if $uniq;
1705	}	2186	}
1706		2187
1707	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1708		2189
		2190	$self->deactivate;
		2191	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2192	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2193
1713	$self->unlink_save;	2194	$self->unlink_save;
1714	$self->destroy;	2195	$self->destroy;
1715	}	2196	}
1716		2197
1717	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1718		2199
1719	sub nuke {	2200	sub nuke {
1720	my ($self) = @_;	2201	my ($self) = @_;
1721		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
1722	delete $cf::MAP{$self->path};	2206	delete $cf::MAP{$self->path};
1723		2207
1724	$self->unlink_save;	2208	$self->unlink_save;
1725		2209
1726	bless $self, "cf::map";	2210	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2211	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2215
1732	$cf::MAP{$self->path} = $self;	2216	$cf::MAP{$self->path} = $self;
		2217	}
1733		2218
1734	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
		2220	}
		2221
		2222	=item $maps = cf::map::tmp_maps
		2223
		2224	Returns an arrayref with all map paths of currently instantiated and saved
		2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
		2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
		2239
		2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
1735	}	2256	}
1736		2257
1737	=item cf::map::unique_maps	2258	=item cf::map::unique_maps
1738		2259
1739	Returns an arrayref of paths of all shared maps that have	2260	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2261	instantiated unique items. May block.
1741		2262
1742	=cut	2263	=cut
1743		2264
1744	sub unique_maps() {	2265	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2266	[
1746	or return;	2267	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2268	utf8::decode $_;
1752	next if /\.pst$/;	2269	/\.map$/
1753	next unless /^$PATH_SEP/o;	2270	? normalise $_
1754		2271	: ()
1755	push @paths, cf::map::normalise $_;	2272	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2273	]
1757
1758	\@paths
1759	}	2274	}
1760		2275
1761	package cf;	2276	package cf;
1762		2277
1763	=back	2278	=back
…		…
1781	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1782	}	2297	}
1783		2298
1784	sub inv_recursive {	2299	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1786	}	2329	}
1787		2330
1788	package cf;	2331	package cf;
1789		2332
1790	=back	2333	=back
…		…
1809		2352
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2354
1812	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1814	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1815	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1817	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1818	}	2380	}
1819		2381
1820	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1821		2383
1822	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1869	$self->deactivate_recursive;	2431	$self->deactivate_recursive;
1870		2432
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2433	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2434
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2436	if $self->map && $self->map->{path} ne "{link}";
1875		2437
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2439	}
1878		2440
1879	sub cf::object::player::leave_link {	2441	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2442	my ($self, $map, $x, $y) = @_;
		2443
		2444	return unless $self->contr->active;
1881		2445
1882	my $link_pos = delete $self->{_link_pos};	2446	my $link_pos = delete $self->{_link_pos};
1883		2447
1884	unless ($map) {	2448	unless ($map) {
1885	# restore original map position	2449	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1902		2466
1903	$map->load;	2467	$map->load;
1904	$map->load_diag;	2468	$map->load_neighbours;
1905		2469
1906	return unless $self->contr->active;	2470	return unless $self->contr->active;
1907	$self->activate_recursive;	2471	$self->activate_recursive;
1908		2472
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1911	}	2475	}
1912		2476
1913	cf::player->attach (	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2478
1917	# abort map switching before logout	2479	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2480	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2481	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2482	the new (success) or old (failed) map position. In either case, $done will
1921	};	2483	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2484
1927	# try to abort aborted map switching on player login :)
1928	# should happen only on crashes
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2485	=cut
		2486
		2487	our $GOTOGEN;
1948		2488
1949	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1950	my ($self, $path, $x, $y) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
		2491
		2492	# do generation counting so two concurrent goto's will be executed in-order
		2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951		2494
1952	$self->enter_link;	2495	$self->enter_link;
1953		2496
1954	(async {	2497	(async {
		2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
1955	my $map = eval {	2519	my $map = eval {
1956	my $map = cf::map::find $path;	2520	my $map = defined $path ? cf::map::find $path : undef;
		2521
		2522	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2523	$map = $map->customise_for ($self);
		2524	$map = $check->($map) if $check && $map;
		2525	} else {
		2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2527	}
		2528
1958	$map	2529	$map
		2530	};
		2531
		2532	if ($@) {
		2533	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2534	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2535	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2536
		2537	if ($gen == $self->{_goto_generation}) {
		2538	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
		2540	}
		2541
		2542	$done->() if $done;
1963	})->prio (1);	2543	})->prio (1);
1964	}	2544	}
1965		2545
1966	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
1967		2547
…		…
2036	my $hp = $exit->stats->hp;	2616	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;	2617	my $sp = $exit->stats->sp;
2038		2618
2039	$self->enter_link;	2619	$self->enter_link;
2040		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
2041	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
2042	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
2043	unless (eval {	2629	unless (eval {
2044	$self->goto ($slaying, $hp, $sp);	2630	$self->goto ($slaying, $hp, $sp);
2045		2631
2046	1;	2632	1;
…		…
2072		2658
2073	utf8::encode $text;	2659	utf8::encode $text;
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075	}	2661	}
2076		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
2077	=item $client->ext_event ($type, %msg)	2756	=item $client->ext_msg ($type, @msg)
2078		2757
2079	Sends an exti event to the client.	2758	Sends an ext event to the client.
2080		2759
2081	=cut	2760	=cut
2082		2761
2083	sub cf::client::ext_event($$%) {	2762	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2763	my ($self, $type, @msg) = @_;
2085		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2768	push @msg, msgtype => "event_$type";
2087	$self->send_packet ("ext " . cf::to_json \%msg);	2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
2088	}	2789	}
2089		2790
2090	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
2091		2792
2092	Queues a query to the client, calling the given callback with	2793	Queues a query to the client, calling the given callback with
2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2794	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		2796
2096	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	2798	become reliable at some point in the future.
2098		2799
2099	=cut	2800	=cut
2100		2801
2101	sub cf::client::query {	2802	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2811	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2813
2113	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
2115	}	2818	}
2116		2819
2117	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
2118	on_reply => sub {	2826	on_reply => sub {
2119	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
2120		2828
2121	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
2122	# get handled first	2830	# get handled first
…		…
2134	} else {	2842	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2844	}
2137	}	2845	}
2138	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
2139	);	2873	);
2140		2874
2141	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
2142		2876
2143	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
2186		2920
2187	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
2188		2922
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
2190		2928
2191	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
2192		2930
2193	=pod	2931	=pod
2194		2932
2195	The following functions and methods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
2196		2934
2197	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
2198	cf::object::player player	2939	cf::object::player
2199	cf::player peaceful	2940	player
2200	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2201		2947
2202	=cut	2948	=cut
2203		2949
2204	for (	2950	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2206	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2208	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2209	) {	2957	) {
2210	no strict 'refs';	2958	no strict 'refs';
…		…
2281	=back	3029	=back
2282		3030
2283	=cut	3031	=cut
2284		3032
2285	#############################################################################	3033	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	3034	# the server's init and main functions
2460		3035
2461	sub load_facedata($) {	3036	sub load_facedata($) {
2462	my ($path) = @_;	3037	my ($path) = @_;
		3038
		3039	# HACK to clear player env face cache, we need some signal framework
		3040	# for this (global event?)
		3041	%ext::player_env::MUSIC_FACE_CACHE = ();
		3042
		3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2463		3044
2464	warn "loading facedata from $path\n";	3045	warn "loading facedata from $path\n";
2465		3046
2466	my $facedata;	3047	my $facedata;
2467	0 < aio_load $path, $facedata	3048	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	3051	$facedata = Coro::Storable::thaw $facedata;
2471		3052
2472	$facedata->{version} == 2	3053	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		3055
		3056	# patch in the exptable
		3057	$facedata->{resource}{"res/exp_table"} = {
		3058	type => FT_RSRC,
		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3060	};
		3061	cf::cede_to_tick;
		3062
2475	{	3063	{
2476	my $faces = $facedata->{faceinfo};	3064	my $faces = $facedata->{faceinfo};
2477		3065
2478	while (my ($face, $info) = each %$faces) {	3066	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3068	cf::face::set_visibility $idx, $info->{visibility};
		3069	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	3072
		3073	cf::cede_to_tick;
2484	}	3074	}
2485		3075
2486	while (my ($face, $info) = each %$faces) {	3076	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3077	next unless $info->{smooth};
2488	my $idx = cf::face::find $face	3078	my $idx = cf::face::find $face
2489	or next;	3079	or next;
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3080	if (my $smooth = cf::face::find $info->{smooth}) {
		3081	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3083	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3085	}
2495	Coro::cede;	3086
		3087	cf::cede_to_tick;
2496	}	3088	}
2497	}	3089	}
2498		3090
2499	{	3091	{
2500	my $anims = $facedata->{animinfo};	3092	my $anims = $facedata->{animinfo};
2501		3093
2502	while (my ($anim, $info) = each %$anims) {	3094	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3096	cf::cede_to_tick;
2505	}	3097	}
2506		3098
2507	cf::anim::invalidate_all; # d'oh	3099	cf::anim::invalidate_all; # d'oh
2508	}	3100	}
2509		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
		3149	}
		3150
2510	1	3151	1
2511	}	3152	}
2512		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
2513	sub reload_regions {	3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
2514	load_resource_file "$MAPDIR/regions"	3167	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	3168	or die "unable to load regions file\n";
		3169
		3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
2516	}	3174	}
2517		3175
2518	sub reload_facedata {	3176	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3177	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3178	or die "unable to load facedata\n";
2521	}	3179	}
2522		3180
2523	sub reload_archetypes {	3181	sub reload_archetypes {
2524	load_resource_file "$DATADIR/archetypes"	3182	load_resource_file "$DATADIR/archetypes"
2525	or die "unable to load archetypes\n";	3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
2526	}	3189	}
2527		3190
2528	sub reload_treasures {	3191	sub reload_treasures {
2529	load_resource_file "$DATADIR/treasures"	3192	load_resource_file "$DATADIR/treasures"
2530	or die "unable to load treasurelists\n";	3193	or die "unable to load treasurelists\n";
…		…
2533	sub reload_resources {	3196	sub reload_resources {
2534	warn "reloading resource files...\n";	3197	warn "reloading resource files...\n";
2535		3198
2536	reload_regions;	3199	reload_regions;
2537	reload_facedata;	3200	reload_facedata;
		3201	#reload_archetypes;#d#
2538	reload_archetypes;	3202	reload_archetypes;
2539	reload_treasures;	3203	reload_treasures;
2540		3204
2541	warn "finished reloading resource files\n";	3205	warn "finished reloading resource files\n";
2542	}	3206	}
2543		3207
2544	sub init {	3208	sub init {
2545	reload_resources;	3209	reload_resources;
2546	}	3210	}
2547		3211
2548	sub cfg_load {	3212	sub reload_config {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3214	or return;
2551		3215
2552	local $/;	3216	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
…		…
2569	sub main {	3233	sub main {
2570	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2571	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2573	(async {	3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2574	Event::one_event;	3239	Event::one_event;
2575	})->prio (Coro::PRIO_MAX);	3240	})->prio (Coro::PRIO_MAX);
2576	};	3241	};
2577		3242
2578	cfg_load;	3243	reload_config;
2579	db_init;	3244	db_init;
2580	load_extensions;	3245	load_extensions;
2581		3246
2582	$TICK_WATCHER->start;	3247	$TICK_WATCHER->start;
2583	Event::loop;	3248	Event::loop;
…		…
2599	},	3264	},
2600	);	3265	);
2601	}	3266	}
2602	}	3267	}
2603		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
		3305	}
		3306
2604	sub emergency_save() {	3307	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2606		3309
2607	warn "enter emergency perl save\n";	3310	warn "enter emergency perl save\n";
2608		3311
…		…
2612	# and maps saved/destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2613	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2614	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2615	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2616	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617	$pl->save;	3321	$pl->save;
2618	}	3322	}
2619	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2620		3324
2621	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2669		3373
2670	warn "flushing outstanding aio requests";	3374	warn "flushing outstanding aio requests";
2671	for (;;) {	3375	for (;;) {
2672	BDB::flush;	3376	BDB::flush;
2673	IO::AIO::flush;	3377	IO::AIO::flush;
2674	Coro::cede;	3378	Coro::cede_notself;
2675	last unless IO::AIO::nreqs || BDB::nreqs;	3379	last unless IO::AIO::nreqs || BDB::nreqs;
2676	warn "iterate...";	3380	warn "iterate...";
2677	}	3381	}
2678		3382
2679	++$RELOAD;	3383	++$RELOAD;
…		…
2683	%EXT_CORO = ();	3387	%EXT_CORO = ();
2684		3388
2685	warn "removing commands";	3389	warn "removing commands";
2686	%COMMAND = ();	3390	%COMMAND = ();
2687		3391
2688	warn "removing ext commands";	3392	warn "removing ext/exti commands";
2689	%EXTCMD = ();	3393	%EXTCMD = ();
		3394	%EXTICMD = ();
2690		3395
2691	warn "unloading/nuking all extensions";	3396	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	3397	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	3398	warn "... unloading $pkg";
2694		3399
…		…
2737	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2738	require cf;	3443	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740		3445
2741	warn "loading config and database again";	3446	warn "loading config and database again";
2742	cf::cfg_load;	3447	cf::reload_config;
2743		3448
2744	warn "loading extensions";	3449	warn "loading extensions";
2745	cf::load_extensions;	3450	cf::load_extensions;
2746		3451
2747	warn "reattaching attachments to objects/players";	3452	warn "reattaching attachments to objects/players";
…		…
2783	register_command "reload" => sub {	3488	register_command "reload" => sub {
2784	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2785		3490
2786	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2787	$who->message ("reloading server.");	3492	$who->message ("reloading server.");
		3493	async {
		3494	$Coro::current->{desc} = "perl_reload";
2788	async { reload_perl };	3495	reload_perl;
		3496	};
2789	}	3497	}
2790	};	3498	};
2791		3499
2792	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
2793		3501
…		…
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3534	unless ++$bug_warning > 10;
2827	return;	3535	return;
2828	}	3536	}
2829		3537
2830	$NOW = Event::time;	3538	$NOW = $tick_start = Event::time;
2831		3539
2832	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
2833		3541
2834	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2836		3544
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838	$NEXT_RUNTIME_WRITE = $NOW + 10;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
2839	Coro::async_pool {	3547	Coro::async_pool {
		3548	$Coro::current->{desc} = "runtime saver";
2840	write_runtime	3549	write_runtime
2841	or warn "ERROR: unable to write runtime file: $!";	3550	or warn "ERROR: unable to write runtime file: $!";
2842	};	3551	};
2843	}	3552	}
2844		3553
2845	# my $AFTER = Event::time;	3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2846	# warn $AFTER - $NOW;#d#	3555	$sig->send;
		3556	}
		3557	while (my $sig = shift @WAIT_FOR_TICK) {
		3558	$sig->send;
		3559	}
		3560
		3561	$NOW = Event::time;
2847		3562
2848	# if we are delayed by four ticks or more, skip them all	3563	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2850		3565
2851	$TICK_WATCHER->at ($NEXT_TICK);	3566	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;	3567	$TICK_WATCHER->start;
2853		3568
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3569	$LOAD = ($NOW - $tick_start) / $TICK;
2855	$sig->send;	3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2856	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;
2859	}
2860		3571
2861	_post_tick;	3572	_post_tick;
2862	},	3573	},
2863	);	3574	);
2864		3575
2865	{	3576	{
		3577	BDB::min_parallel 8;
2866	BDB::max_poll_time $TICK * 0.1;	3578	BDB::max_poll_time $TICK * 0.1;
2867	$BDB_POLL_WATCHER = Event->io (	3579	$BDB_POLL_WATCHER = Event->io (
2868	reentrant => 0,	3580	reentrant => 0,
2869	fd => BDB::poll_fileno,	3581	fd => BDB::poll_fileno,
2870	poll => 'r',	3582	poll => 'r',
2871	prio => 0,	3583	prio => 0,
2872	data => WF_AUTOCANCEL,	3584	data => WF_AUTOCANCEL,
2873	cb => \&BDB::poll_cb,	3585	cb => \&BDB::poll_cb,
2874	);	3586	);
2875	BDB::min_parallel 8;
2876		3587
2877	BDB::set_sync_prepare {	3588	BDB::set_sync_prepare {
2878	my $status;	3589	my $status;
2879	my $current = $Coro::current;	3590	my $current = $Coro::current;
2880	(	3591	(
…		…
2889	)	3600	)
2890	};	3601	};
2891		3602
2892	unless ($DB_ENV) {	3603	unless ($DB_ENV) {
2893	$DB_ENV = BDB::db_env_create;	3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2894		3609
2895	cf::sync_job {	3610	cf::sync_job {
2896	eval {	3611	eval {
2897	BDB::db_env_open	3612	BDB::db_env_open
2898	$DB_ENV,	3613	$DB_ENV,
…		…
2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	3617	0666;
2903		3618
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907	$DB_ENV->set_lk_detect;
2908	};	3620	};
2909		3621
2910	cf::cleanup "db_env_open(db): $@" if $@;	3622	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	3623	};
2912	}	3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
		3627	after => 3,
		3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
		3632	cb => sub {
		3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3634	},
		3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
2913	}	3656	}
2914		3657
2915	{	3658	{
2916	IO::AIO::min_parallel 8;	3659	IO::AIO::min_parallel 8;
2917		3660
…		…
2920	$AIO_POLL_WATCHER = Event->io (	3663	$AIO_POLL_WATCHER = Event->io (
2921	reentrant => 0,	3664	reentrant => 0,
2922	data => WF_AUTOCANCEL,	3665	data => WF_AUTOCANCEL,
2923	fd => IO::AIO::poll_fileno,	3666	fd => IO::AIO::poll_fileno,
2924	poll => 'r',	3667	poll => 'r',
2925	prio => 6,	3668	prio => 0,
2926	cb => \&IO::AIO::poll_cb,	3669	cb => \&IO::AIO::poll_cb,
2927	);	3670	);
2928	}	3671	}
2929		3672
		3673	my $_log_backtrace;
		3674
		3675	sub _log_backtrace {
		3676	my ($msg, @addr) = @_;
		3677
		3678	$msg =~ s/\n//;
		3679
		3680	# limit the # of concurrent backtraces
		3681	if ($_log_backtrace < 2) {
		3682	++$_log_backtrace;
		3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
		3686	my @bt = fork_call {
		3687	@addr = map { sprintf "%x", $_ } @addr;
		3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3690	or die "addr2line: $!";
		3691
		3692	my @funcs;
		3693	my @res = <$fh>;
		3694	chomp for @res;
		3695	while (@res) {
		3696	my ($func, $line) = splice @res, 0, 2, ();
		3697	push @funcs, "[$func] $line";
		3698	}
		3699
		3700	@funcs
		3701	};
		3702
		3703	LOG llevInfo, "[ABT] $msg\n";
		3704	LOG llevInfo, "[ABT] $_\n" for @bt;
		3705	--$_log_backtrace;
		3706	};
		3707	} else {
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] [suppressed]\n";
		3710	}
		3711	}
		3712
2930	# load additional modules	3713	# load additional modules
2931	use cf::pod;	3714	use cf::pod;
2932		3715
2933	END { cf::emergency_save }	3716	END { cf::emergency_save }
2934		3717

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