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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.257 by root, Sat Apr 21 17:34:24 2007 UTC vs.
Revision 1.386 by root, Mon Oct 15 17:50:27 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) {
340	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
341	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
342		458
343	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
344	} else {	460	} else {
345	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
346		462
…		…
366	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
367		483
368	$coro	484	$coro
369	}	485	}
370		486
371	sub write_runtime {	487	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		488
374	my $runtime = "$LOCALDIR/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
375		493
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
377	or return;
378		495
379	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		498
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
384	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
385		502
386	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	504	reset_signals;
388	and return;	505	&$cb
		506	}, @args;
389		507
390	close $fh	508	wantarray ? @res : $res[-1]
391	or return;	509	}
392		510
393	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
394	and return;
395		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
396	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
397	}	636	}
398		637
399	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
400		639
401	Log a datalog packet of the given type with the given key-value pairs.	640	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")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
421		660
422	In the following description, CLASS can be any of C<global>, C<object>	661	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	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	663	Crossfire TRT).
425		664
426	=over 4	665	=over 4
427		666
428	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
429		668
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
593		832
594	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		837
599	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	839	my $pkg = shift @arg;
601		840
602	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
632	}	871	}
633		872
634	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
635	} else {	874	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	876	}
638		877
639	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
640	}	879	}
641		880
…		…
643	if (ref $_[0]) {	882	if (ref $_[0]) {
644	_object_attach @_;	883	_object_attach @_;
645	} else {	884	} else {
646	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
647	}	886	}
		887	_recalc_want;
648	};	888	};
649		889
650	# all those should be optimised	890	# all those should be optimised
651	sub cf::attachable::detach {	891	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
656	reattach ($obj);	896	reattach ($obj);
657	} else {	897	} else {
658	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
659	}	899	}
		900	_recalc_want;
660	};	901	};
661		902
662	sub cf::attachable::attached {	903	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
664		905
…		…
679	";	920	";
680	die if $@;	921	die if $@;
681	}	922	}
682		923
683	our $override;	924	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		926
686	sub override {	927	sub override {
687	$override = 1;	928	$override = 1;
688	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
689	}	930	}
690		931
691	sub do_invoke {	932	sub do_invoke {
692	my $event = shift;	933	my $event = shift;
693	my $callbacks = shift;	934	my $callbacks = shift;
694		935
695	@invoke_results = ();	936	@INVOKE_RESULTS = ();
696		937
697	local $override;	938	local $override;
698		939
699	for (@$callbacks) {	940	for (@$callbacks) {
700	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
717		958
718	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
719		960
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	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	962	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		964
724	=back	965	=back
725		966
726	=cut	967	=cut
727		968
728	#############################################################################	969	#############################################################################
729	# object support	970	# object support
		971
		972	sub _object_equal($$);
		973	sub _object_equal($$) {
		974	my ($a, $b) = @_;
		975
		976	return 0 unless (ref $a) eq (ref $b);
		977
		978	if ("HASH" eq ref $a) {
		979	my @ka = keys %$a;
		980	my @kb = keys %$b;
		981
		982	return 0 if @ka != @kb;
		983
		984	for (0 .. $#ka) {
		985	return 0 unless $ka[$_] eq $kb[$_];
		986	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		987	}
		988
		989	} elsif ("ARRAY" eq ref $a) {
		990
		991	return 0 if @$a != @$b;
		992
		993	for (0 .. $#$a) {
		994	return 0 unless _object_equal $a->[$_], $b->[$_];
		995	}
		996
		997	} elsif ($a ne $b) {
		998	return 0;
		999	}
		1000
		1001	1
		1002	}
		1003
		1004	our $SLOW_MERGES;#d#
		1005	sub _can_merge {
		1006	my ($ob1, $ob2) = @_;
		1007
		1008	++$SLOW_MERGES;#d#
		1009
		1010	# we do the slow way here
		1011	return _object_equal $ob1, $ob2
		1012	}
730		1013
731	sub reattach {	1014	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1015	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1016	my ($obj) = @_;
734		1017
…		…
781	sub object_freezer_save {	1064	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1065	my ($filename, $rdata, $objs) = @_;
783		1066
784	sync_job {	1067	sync_job {
785	if (length $$rdata) {	1068	if (length $$rdata) {
		1069	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1070	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1071	$decname, length $$rdata, scalar @$objs;
788		1072
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1074	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1076	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1077	close $fh;
794		1078
795	if (@$objs) {	1079	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1081	chmod SAVE_MODE, $fh;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1083	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1084	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1085	close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1086	aio_rename "$filename.pst~", "$filename.pst";
803	}	1087	}
…		…
811	}	1095	}
812	} else {	1096	} else {
813	aio_unlink $filename;	1097	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1098	aio_unlink "$filename.pst";
815	}	1099	}
816	}	1100	};
817	}	1101	}
818		1102
819	sub object_freezer_as_string {	1103	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1104	my ($rdata, $objs) = @_;
821		1105
…		…
833	or return;	1117	or return;
834		1118
835	unless (aio_stat "$filename.pst") {	1119	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1120	(aio_load "$filename.pst", $av) >= 0
837	or return;	1121	or return;
838	$av = eval { (Storable::thaw $av)->{objs} };
839	}
840		1122
		1123	my $st = eval { Coro::Storable::thaw $av }
		1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1125	$av = $st->{objs};
		1126	}
		1127
		1128	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1129	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1130	$decname, length $data, scalar @{$av || []};
		1131
843	return ($data, $av);	1132	($data, $av)
844	}	1133	}
		1134
		1135	=head2 COMMAND CALLBACKS
		1136
		1137	=over 4
		1138
		1139	=cut
845		1140
846	#############################################################################	1141	#############################################################################
847	# command handling &c	1142	# command handling &c
848		1143
849	=item cf::register_command $name => \&callback($ob,$args);	1144	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1157	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1158	}
864		1159
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1160	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1161
867	Register a callbackf ro execution when the client sends an extcmd packet.	1162	Register a callback for execution when the client sends an (synchronous)
		1163	extcmd packet. Ext commands will be processed in the order they are
		1164	received by the server, like other user commands. The first argument is
		1165	the logged-in player. Ext commands can only be processed after a player
		1166	has logged in successfully.
868		1167
869	If the callback returns something, it is sent back as if reply was being	1168	If the callback returns something, it is sent back as if reply was being
870	called.	1169	called.
871		1170
		1171	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1172
		1173	Register a callback for execution when the client sends an (asynchronous)
		1174	exticmd packet. Exti commands are processed by the server as soon as they
		1175	are received, i.e. out of order w.r.t. other commands. The first argument
		1176	is a client socket. Exti commands can be received anytime, even before
		1177	log-in.
		1178
		1179	If the callback returns something, it is sent back as if reply was being
		1180	called.
		1181
872	=cut	1182	=cut
873		1183
874	sub register_extcmd {	1184	sub register_extcmd {
875	my ($name, $cb) = @_;	1185	my ($name, $cb) = @_;
876		1186
877	$EXTCMD{$name} = $cb;	1187	$EXTCMD{$name} = $cb;
		1188	}
		1189
		1190	sub register_exticmd {
		1191	my ($name, $cb) = @_;
		1192
		1193	$EXTICMD{$name} = $cb;
878	}	1194	}
879		1195
880	cf::player->attach (	1196	cf::player->attach (
881	on_command => sub {	1197	on_command => sub {
882	my ($pl, $name, $params) = @_;	1198	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1207	cf::override;
892	},	1208	},
893	on_extcmd => sub {	1209	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1210	my ($pl, $buf) = @_;
895		1211
896	my $msg = eval { from_json $buf };	1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1213
898	if (ref $msg) {	1214	if (ref $msg) {
		1215	my ($type, $reply, @payload) =
		1216	"ARRAY" eq ref $msg
		1217	? @$msg
		1218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1219
		1220	my @reply;
		1221
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1222	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1223	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1224	}
		1225
		1226	$pl->ext_reply ($reply, @reply)
		1227	if $reply;
		1228
904	} else {	1229	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1231	}
907		1232
908	cf::override;	1233	cf::override;
909	},	1234	},
910	);	1235	);
911		1236
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 {	1237	sub load_extensions {
		1238	cf::sync_job {
		1239	my %todo;
		1240
947	for my $ext (<$LIBDIR/*.ext>) {	1241	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1242	next unless -r $path;
949	eval {	1243
950	load_extension $ext;	1244	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1245	my $base = $1;
		1246	my $pkg = $1;
		1247	$pkg =~ s/[^[:word:]]/_/g;
		1248	$pkg = "ext::$pkg";
		1249
		1250	open my $fh, "<:utf8", $path
		1251	or die "$path: $!";
		1252
		1253	my $source = do { local $/; <$fh> };
		1254
		1255	my %ext = (
		1256	path => $path,
		1257	base => $base,
		1258	pkg => $pkg,
		1259	);
		1260
		1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1263
		1264	$ext{source} =
		1265	"package $pkg; use strict; use utf8;\n"
		1266	. "#line 1 \"$path\"\n{\n"
		1267	. $source
		1268	. "\n};\n1";
		1269
		1270	$todo{$base} = \%ext;
		1271	}
		1272
		1273	my %done;
		1274	while (%todo) {
		1275	my $progress;
		1276
		1277	while (my ($k, $v) = each %todo) {
		1278	for (split /,\s*/, $v->{meta}{depends}) {
		1279	goto skip
		1280	unless exists $done{$_};
		1281	}
		1282
		1283	warn "... loading '$k' into '$v->{pkg}'\n";
		1284
		1285	unless (eval $v->{source}) {
		1286	my $msg = $@ ? "$v->{path}: $@\n"
		1287	: "$v->{base}: extension inactive.\n";
		1288
		1289	if (exists $v->{meta}{mandatory}) {
		1290	warn $msg;
		1291	warn "mandatory extension failed to load, exiting.\n";
		1292	exit 1;
		1293	}
		1294
		1295	warn $msg;
		1296	}
		1297
		1298	$done{$k} = delete $todo{$k};
		1299	push @EXTS, $v->{pkg};
		1300	$progress = 1;
951	1	1301	}
952	} or warn "$ext not loaded: $@";	1302
		1303	skip:
		1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1305	unless $progress;
		1306	}
953	}	1307	};
954	}	1308	}
955		1309
956	#############################################################################	1310	#############################################################################
957		1311
		1312	=back
		1313
958	=head2 CORE EXTENSIONS	1314	=head2 CORE EXTENSIONS
959		1315
960	Functions and methods that extend core crossfire objects.	1316	Functions and methods that extend core crossfire objects.
961		1317
962	=cut	1318	=cut
…		…
966	use Coro::AIO;	1322	use Coro::AIO;
967		1323
968	=head3 cf::player	1324	=head3 cf::player
969		1325
970	=over 4	1326	=over 4
		1327
		1328	=item cf::player::num_playing
		1329
		1330	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1331
		1332	=cut
		1333
		1334	sub num_playing {
		1335	scalar grep
		1336	$_->ob->map
		1337	&& !$_->hidden
		1338	&& !$_->ob->flag (cf::FLAG_WIZ),
		1339	cf::player::list
		1340	}
971		1341
972	=item cf::player::find $login	1342	=item cf::player::find $login
973		1343
974	Returns the given player object, loading it if necessary (might block).	1344	Returns the given player object, loading it if necessary (might block).
975		1345
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1381	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1382	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1383	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1384	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1385
1016	my $pl = load_pl path $login	1386	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1387	or return;
		1388
		1389	my $pl = cf::player::load_pl $f
		1390	or return;
		1391	local $cf::PLAYER_LOADING{$login} = $pl;
		1392	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1393	$cf::PLAYER{$login} = $pl
1019	}	1394	}
1020	}	1395	}
1021	}	1396	}
1022		1397
…		…
1032		1407
1033	aio_mkdir playerdir $pl, 0770;	1408	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1409	$pl->{last_save} = $cf::RUNTIME;
1035		1410
1036	$pl->save_pl ($path);	1411	$pl->save_pl ($path);
1037	Coro::cede;	1412	cf::cede_to_tick;
1038	}	1413	}
1039		1414
1040	sub new($) {	1415	sub new($) {
1041	my ($login) = @_;	1416	my ($login) = @_;
1042		1417
…		…
1046	$self->{deny_save} = 1;	1421	$self->{deny_save} = 1;
1047		1422
1048	$cf::PLAYER{$login} = $self;	1423	$cf::PLAYER{$login} = $self;
1049		1424
1050	$self	1425	$self
		1426	}
		1427
		1428	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1429
		1430	=cut
		1431
		1432	sub send_msg {
		1433	my $ns = shift->ns
		1434	or return;
		1435	$ns->send_msg (@_);
1051	}	1436	}
1052		1437
1053	=item $pl->quit_character	1438	=item $pl->quit_character
1054		1439
1055	Nukes the player without looking back. If logged in, the connection will	1440	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1495	or return [];
1111		1496
1112	my @logins;	1497	my @logins;
1113		1498
1114	for my $login (@$dirs) {	1499	for my $login (@$dirs) {
		1500	my $path = path $login;
		1501
		1502	# a .pst is a dead give-away for a valid player
		1503	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1505	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1506	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1507	}
1118		1508
1119	utf8::decode $login;	1509	utf8::decode $login;
1120	push @logins, $login;	1510	push @logins, $login;
1121	}	1511	}
1122		1512
…		…
1149	}	1539	}
1150		1540
1151	\@paths	1541	\@paths
1152	}	1542	}
1153		1543
		1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1545
		1546	Expand crossfire pod fragments into protocol xml.
		1547
		1548	=cut
		1549
		1550	sub expand_cfpod {
		1551	((my $self), (local $_)) = @_;
		1552
		1553	# escape & and <
		1554	s/&/&amp;/g;
		1555	s/(?<![BIUGHT])</&lt;/g;
		1556
		1557	# this is buggy, it needs to properly take care of nested <'s
		1558
		1559	1 while
		1560	# replace B<>, I<>, U<> etc.
		1561	s/B<([^\>]*)>/<b>$1<\/b>/
		1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1565	# replace G<male|female> tags
		1566	|| s{G<([^>|]*)\|([^>]*)>}{
		1567	$self->gender ? $2 : $1
		1568	}ge
		1569	# replace H<hint text>
		1570	|| s{H<([^\>]*)>}
		1571	{
		1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1574	"")
		1575	[$self->{hintmode}]
		1576	}ge;
		1577
		1578	# create single paragraphs (very hackish)
		1579	s/(?<=\S)\n(?=\w)/ /g;
		1580
		1581	# compress some whitespace
		1582	s/\s+\n/\n/g; # ws line-ends
		1583	s/\n\n+/\n/g; # double lines
		1584	s/^\n+//; # beginning lines
		1585	s/\n+$//; # ending lines
		1586
		1587	$_
		1588	}
		1589
		1590	sub hintmode {
		1591	$_[0]{hintmode} = $_[1] if @_ > 1;
		1592	$_[0]{hintmode}
		1593	}
		1594
1154	=item $player->ext_reply ($msgid, %msg)	1595	=item $player->ext_reply ($msgid, @msg)
1155		1596
1156	Sends an ext reply to the player.	1597	Sends an ext reply to the player.
1157		1598
1158	=cut	1599	=cut
1159		1600
1160	sub ext_reply($$%) {	1601	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1602	my ($self, $id, @msg) = @_;
1162		1603
1163	$msg{msgid} = $id;	1604	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1605	}
1167		1606
1168	=item $player->ext_event ($type, %msg)	1607	=item $player->ext_msg ($type, @msg)
1169		1608
1170	Sends an ext event to the client.	1609	Sends an ext event to the client.
1171		1610
1172	=cut	1611	=cut
1173		1612
1174	sub ext_event($$%) {	1613	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1614	my ($self, $type, @msg) = @_;
1176		1615
1177	$self->ns->ext_event ($type, %msg);	1616	$self->ns->ext_msg ($type, @msg);
1178	}	1617	}
1179		1618
1180	=head3 cf::region	1619	=head3 cf::region
1181		1620
1182	=over 4	1621	=over 4
…		…
1185		1624
1186	package cf::region;	1625	package cf::region;
1187		1626
1188	=item cf::region::find_by_path $path	1627	=item cf::region::find_by_path $path
1189		1628
1190	Tries to decuce the probable region for a map knowing only its path.	1629	Tries to decuce the likely region for a map knowing only its path.
1191		1630
1192	=cut	1631	=cut
1193		1632
1194	sub find_by_path($) {	1633	sub find_by_path($) {
1195	my ($path) = @_;	1634	my ($path) = @_;
1196		1635
1197	my ($match, $specificity);	1636	my ($match, $specificity);
1198		1637
1199	for my $region (list) {	1638	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1639	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1640	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1641	if $region->specificity > $specificity;
1203	}	1642	}
1204	}	1643	}
1205		1644
…		…
1269	my ($self, $merge) = @_;	1708	my ($self, $merge) = @_;
1270		1709
1271	# we have to keep some variables in memory intact	1710	# we have to keep some variables in memory intact
1272	local $self->{path};	1711	local $self->{path};
1273	local $self->{load_path};	1712	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1713
1277	$self->SUPER::thawer_merge ($merge);	1714	$self->SUPER::thawer_merge ($merge);
1278	}	1715	}
1279		1716
1280	sub normalise {	1717	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1764	$self->init; # pass $1 etc.
1328	return $self;	1765	return $self;
1329	}	1766	}
1330	}	1767	}
1331		1768
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1769	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1770	()
1334	}	1771	}
1335		1772
1336	sub init {	1773	sub init {
1337	my ($self) = @_;	1774	my ($self) = @_;
…		…
1380		1817
1381	$_->change_map_light ($change)	1818	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1819	for grep $_->outdoor, values %cf::MAP;
1383	}	1820	}
1384		1821
		1822	sub decay_objects {
		1823	my ($self) = @_;
		1824
		1825	return if $self->{deny_reset};
		1826
		1827	$self->do_decay_objects;
		1828	}
		1829
1385	sub unlink_save {	1830	sub unlink_save {
1386	my ($self) = @_;	1831	my ($self) = @_;
1387		1832
1388	utf8::encode (my $save = $self->save_path);	1833	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1834	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1837
1393	sub load_header_from($) {	1838	sub load_header_from($) {
1394	my ($self, $path) = @_;	1839	my ($self, $path) = @_;
1395		1840
1396	utf8::encode $path;	1841	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1842	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1843	or return;
		1844
		1845	$self->_load_header ($f)
		1846	or return;
		1847
		1848	local $MAP_LOADING{$self->{path}} = $self;
		1849	$f->resolve_delayed_derefs;
1402		1850
1403	$self->{load_path} = $path;	1851	$self->{load_path} = $path;
1404		1852
1405	1	1853	1
1406	}	1854	}
…		…
1445	$self->load_header_orig	1893	$self->load_header_orig
1446	or return;	1894	or return;
1447	$self->prepare_orig;	1895	$self->prepare_orig;
1448	}	1896	}
1449		1897
		1898	$self->{deny_reset} = 1
		1899	if $self->no_reset;
		1900
1450	$self->default_region (cf::region::find_by_path $self->{path})	1901	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1902	unless $self->default_region;
1452		1903
1453	1	1904	1
1454	}	1905	}
…		…
1457	sub find {	1908	sub find {
1458	my ($path, $origin) = @_;	1909	my ($path, $origin) = @_;
1459		1910
1460	$path = normalise $path, $origin && $origin->path;	1911	$path = normalise $path, $origin && $origin->path;
1461		1912
		1913	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1914	cf::lock_wait "map_find:$path";
1463		1915
1464	$cf::MAP{$path} || do {	1916	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1917	my $guard1 = cf::lock_acquire "map_find:$path";
		1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1919
1466	my $map = new_from_path cf::map $path	1920	my $map = new_from_path cf::map $path
1467	or return;	1921	or return;
1468		1922
1469	$map->{last_save} = $cf::RUNTIME;	1923	$map->{last_save} = $cf::RUNTIME;
1470		1924
1471	$map->load_header	1925	$map->load_header
1472	or return;	1926	or return;
1473		1927
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1929	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1930	#$cf::WAIT_FOR_TICK->wait;
		1931	undef $guard1;
		1932	undef $guard2;
1477	$map->reset;	1933	$map->reset;
1478	undef $guard;
1479	return find $path;	1934	return find $path;
1480	}	1935	}
1481		1936
1482	$cf::MAP{$path} = $map	1937	$cf::MAP{$path} = $map
1483	}	1938	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1947	local $self->{deny_reset} = 1; # loading can take a long time
1493		1948
1494	my $path = $self->{path};	1949	my $path = $self->{path};
1495		1950
1496	{	1951	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1952	my $guard = cf::lock_acquire "map_data:$path";
1498		1953
		1954	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1955	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1956
1501	$self->in_memory (cf::MAP_LOADING);	1957	$self->in_memory (cf::MAP_LOADING);
1502		1958
1503	$self->alloc;	1959	$self->alloc;
1504		1960
1505	$self->pre_load;	1961	$self->pre_load;
1506	Coro::cede;	1962	cf::cede_to_tick;
1507		1963
		1964	my $f = new_from_file cf::object::thawer $self->{load_path};
		1965	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	1966	$self->_load_objects ($f)
1509	or return;	1967	or return;
1510		1968
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	1970	if delete $self->{load_original};
1513		1971
1514	if (my $uniq = $self->uniq_path) {	1972	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	1973	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	1974	unless (aio_stat $uniq) {
		1975	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	1976	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	1977	$self->_load_objects ($f);
		1978	$f->resolve_delayed_derefs;
		1979	}
1519	}	1980	}
1520	}	1981	}
1521		1982
1522	Coro::cede;	1983	$f->resolve_delayed_derefs;
		1984
		1985	cf::cede_to_tick;
1523	# now do the right thing for maps	1986	# now do the right thing for maps
1524	$self->link_multipart_objects;	1987	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	1988	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	1989	unless $self->difficulty;
1527	Coro::cede;	1990	cf::cede_to_tick;
1528		1991
1529	unless ($self->{deny_activate}) {	1992	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	1993	$self->decay_objects;
1531	$self->fix_auto_apply;	1994	$self->fix_auto_apply;
1532	$self->update_buttons;	1995	$self->update_buttons;
1533	Coro::cede;	1996	cf::cede_to_tick;
1534	$self->set_darkness_map;	1997	$self->set_darkness_map;
1535	Coro::cede;	1998	cf::cede_to_tick;
1536	$self->activate;	1999	$self->activate;
1537	}	2000	}
		2001
		2002	$self->{last_save} = $cf::RUNTIME;
		2003	$self->last_access ($cf::RUNTIME);
1538		2004
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2005	$self->in_memory (cf::MAP_IN_MEMORY);
1540	}	2006	}
1541		2007
1542	$self->post_load;	2008	$self->post_load;
…		…
1546	my ($self, $ob) = @_;	2012	my ($self, $ob) = @_;
1547		2013
1548	return find "~" . $ob->name . "/" . $self->{path}	2014	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2015	if $self->per_player;
1550		2016
		2017	# return find "?party/" . $ob->name . "/" . $self->{path}
		2018	# if $self->per_party;
		2019
1551	$self	2020	$self
1552	}	2021	}
1553		2022
1554	# find and load all maps in the 3x3 area around a map	2023	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2024	sub load_neighbours {
1556	my ($map) = @_;	2025	my ($map) = @_;
1557		2026
1558	my @diag; # diagonal neighbours	2027	my @neigh; # diagonal neighbours
1559		2028
1560	for (0 .. 3) {	2029	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2030	my $neigh = $map->tile_path ($_)
1562	or next;	2031	or next;
1563	$neigh = find $neigh, $map	2032	$neigh = find $neigh, $map
1564	or next;	2033	or next;
1565	$neigh->load;	2034	$neigh->load;
1566		2035
		2036	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2039	}
1570		2040
1571	for (@diag) {	2041	for (grep defined $_->[0], @neigh) {
		2042	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2043	my $neigh = find $path, $origin
1573	or next;	2044	or next;
1574	$neigh->load;	2045	$neigh->load;
1575	}	2046	}
1576	}	2047	}
1577		2048
…		…
1582	}	2053	}
1583		2054
1584	sub do_load_sync {	2055	sub do_load_sync {
1585	my ($map) = @_;	2056	my ($map) = @_;
1586		2057
		2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2059	if $Coro::current == $Coro::main;
		2060
1587	cf::sync_job { $map->load };	2061	cf::sync_job { $map->load };
1588	}	2062	}
1589		2063
1590	our %MAP_PREFETCH;	2064	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2065	our $MAP_PREFETCHER = undef;
1592		2066
1593	sub find_async {	2067	sub find_async {
1594	my ($path, $origin) = @_;	2068	my ($path, $origin, $load) = @_;
1595		2069
1596	$path = normalise $path, $origin && $origin->{path};	2070	$path = normalise $path, $origin && $origin->{path};
1597		2071
1598	if (my $map = $cf::MAP{$path}) {	2072	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1600	}	2074	}
1601		2075
1602	undef $MAP_PREFETCH{$path};	2076	$MAP_PREFETCH{$path} |= $load;
		2077
1603	$MAP_PREFETCHER ||= cf::async {	2078	$MAP_PREFETCHER ||= cf::async {
		2079	$Coro::current->{desc} = "map prefetcher";
		2080
1604	while (%MAP_PREFETCH) {	2081	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2082	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2083	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2084	$map->load if $v;
		2085	}
1609		2086
1610	delete $MAP_PREFETCH{$path};	2087	delete $MAP_PREFETCH{$k};
1611	}	2088	}
1612	}	2089	}
1613	undef $MAP_PREFETCHER;	2090	undef $MAP_PREFETCHER;
1614	};	2091	};
1615	$MAP_PREFETCHER->prio (6);	2092	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2095	}
1619		2096
1620	sub save {	2097	sub save {
1621	my ($self) = @_;	2098	my ($self) = @_;
1622		2099
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2101
1625	$self->{last_save} = $cf::RUNTIME;	2102	$self->{last_save} = $cf::RUNTIME;
1626		2103
1627	return unless $self->dirty;	2104	return unless $self->dirty;
1628		2105
…		…
1634	return if $self->{deny_save};	2111	return if $self->{deny_save};
1635		2112
1636	local $self->{last_access} = $self->last_access;#d#	2113	local $self->{last_access} = $self->last_access;#d#
1637		2114
1638	cf::async {	2115	cf::async {
		2116	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2117	$_->contr->save for $self->players;
1640	};	2118	};
1641		2119
1642	if ($uniq) {	2120	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1651	my ($self) = @_;	2129	my ($self) = @_;
1652		2130
1653	# save first because save cedes	2131	# save first because save cedes
1654	$self->save;	2132	$self->save;
1655		2133
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2135
1658	return if $self->players;	2136	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2137	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};	2138	return if $self->{deny_save};
1661		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	$self->deactivate;
		2143	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2144	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2145	}
1665		2146
1666	sub reset_at {	2147	sub reset_at {
1667	my ($self) = @_;	2148	my ($self) = @_;
1668		2149
1669	# TODO: safety, remove and allow resettable per-player maps	2150	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2151	return 1e99 if $self->{deny_reset};
1672		2152
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2155
…		…
1686	my ($self) = @_;	2166	my ($self) = @_;
1687		2167
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2169
1690	return if $self->players;	2170	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2171
1693	warn "resetting map ", $self->path;#d#	2172	warn "resetting map ", $self->path;
1694		2173
1695	$self->in_memory (cf::MAP_SWAPPED);	2174	$self->in_memory (cf::MAP_SWAPPED);
1696		2175
1697	# need to save uniques path	2176	# need to save uniques path
1698	unless ($self->{deny_save}) {	2177	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2181	if $uniq;
1703	}	2182	}
1704		2183
1705	delete $cf::MAP{$self->path};	2184	delete $cf::MAP{$self->path};
1706		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2188	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2189
1711	$self->unlink_save;	2190	$self->unlink_save;
1712	$self->destroy;	2191	$self->destroy;
1713	}	2192	}
1714		2193
1715	my $nuke_counter = "aaaa";	2194	my $nuke_counter = "aaaa";
1716		2195
1717	sub nuke {	2196	sub nuke {
1718	my ($self) = @_;	2197	my ($self) = @_;
1719		2198
		2199	{
		2200	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2201
1720	delete $cf::MAP{$self->path};	2202	delete $cf::MAP{$self->path};
1721		2203
1722	$self->unlink_save;	2204	$self->unlink_save;
1723		2205
1724	bless $self, "cf::map";	2206	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2207	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2208	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2209	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2211
1730	$cf::MAP{$self->path} = $self;	2212	$cf::MAP{$self->path} = $self;
		2213	}
1731		2214
1732	$self->reset; # polite request, might not happen	2215	$self->reset; # polite request, might not happen
		2216	}
		2217
		2218	=item $maps = cf::map::tmp_maps
		2219
		2220	Returns an arrayref with all map paths of currently instantiated and saved
		2221	maps. May block.
		2222
		2223	=cut
		2224
		2225	sub tmp_maps() {
		2226	[
		2227	map {
		2228	utf8::decode $_;
		2229	/\.map$/
		2230	? normalise $_
		2231	: ()
		2232	} @{ aio_readdir $TMPDIR or [] }
		2233	]
		2234	}
		2235
		2236	=item $maps = cf::map::random_maps
		2237
		2238	Returns an arrayref with all map paths of currently instantiated and saved
		2239	random maps. May block.
		2240
		2241	=cut
		2242
		2243	sub random_maps() {
		2244	[
		2245	map {
		2246	utf8::decode $_;
		2247	/\.map$/
		2248	? normalise "?random/$_"
		2249	: ()
		2250	} @{ aio_readdir $RANDOMDIR or [] }
		2251	]
1733	}	2252	}
1734		2253
1735	=item cf::map::unique_maps	2254	=item cf::map::unique_maps
1736		2255
1737	Returns an arrayref of paths of all shared maps that have	2256	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2257	instantiated unique items. May block.
1739		2258
1740	=cut	2259	=cut
1741		2260
1742	sub unique_maps() {	2261	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2262	[
1744	or return;	2263	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2264	utf8::decode $_;
1750	next if /\.pst$/;	2265	/\.map$/
1751	next unless /^$PATH_SEP/o;	2266	? normalise $_
1752		2267	: ()
1753	push @paths, cf::map::normalise $_;	2268	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2269	]
1755
1756	\@paths
1757	}	2270	}
1758		2271
1759	package cf;	2272	package cf;
1760		2273
1761	=back	2274	=back
…		…
1779	map { $_, inv_recursive_ $_->inv } @_	2292	map { $_, inv_recursive_ $_->inv } @_
1780	}	2293	}
1781		2294
1782	sub inv_recursive {	2295	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2296	inv_recursive_ inv $_[0]
		2297	}
		2298
		2299	=item $ref = $ob->ref
		2300
		2301	creates and returns a persistent reference to an objetc that can be stored as a string.
		2302
		2303	=item $ob = cf::object::deref ($refstring)
		2304
		2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2306	even if the object actually exists. May block.
		2307
		2308	=cut
		2309
		2310	sub deref {
		2311	my ($ref) = @_;
		2312
		2313	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2314	my ($uuid, $name) = ($1, $2);
		2315	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2316	or return;
		2317	$pl->ob->uuid eq $uuid
		2318	or return;
		2319
		2320	$pl->ob
		2321	} else {
		2322	warn "$ref: cannot resolve object reference\n";
		2323	undef
		2324	}
1784	}	2325	}
1785		2326
1786	package cf;	2327	package cf;
1787		2328
1788	=back	2329	=back
…		…
1807		2348
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2349	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2350
1810	if ($self->{record_replies}) {	2351	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2352	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2353
1812	} else {	2354	} else {
		2355	my $pl = $self->contr;
		2356
		2357	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2358	my $dialog = $pl->{npc_dialog};
		2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2360
		2361	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2362	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2363	$self->message ($msg, $flags);
		2364	}
1815	}	2365	}
		2366	}
		2367
		2368	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2369
		2370	=cut
		2371
		2372	sub cf::object::send_msg {
		2373	my $pl = shift->contr
		2374	or return;
		2375	$pl->send_msg (@_);
1816	}	2376	}
1817		2377
1818	=item $player_object->may ("access")	2378	=item $player_object->may ("access")
1819		2379
1820	Returns wether the given player is authorized to access resource "access"	2380	Returns wether the given player is authorized to access resource "access"
…		…
1862	}	2422	}
1863		2423
1864	sub cf::object::player::enter_link {	2424	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2425	my ($self) = @_;
1866		2426
		2427	$self->deactivate_recursive;
		2428
1867	return if UNIVERSAL::isa $self->map, "ext::map_link";	2429	return if UNIVERSAL::isa $self->map, "ext::map_link";
1868		2430
1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870	if $self->map;	2432	if $self->map && $self->map->{path} ne "{link}";
1871		2433
1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1873	}	2435	}
1874		2436
1875	sub cf::object::player::leave_link {	2437	sub cf::object::player::leave_link {
1876	my ($self, $map, $x, $y) = @_;	2438	my ($self, $map, $x, $y) = @_;
		2439
		2440	return unless $self->contr->active;
1877		2441
1878	my $link_pos = delete $self->{_link_pos};	2442	my $link_pos = delete $self->{_link_pos};
1879		2443
1880	unless ($map) {	2444	unless ($map) {
1881	# restore original map position	2445	# restore original map position
…		…
1895	# use -1 or undef as default coordinates, not 0, 0	2459	# use -1 or undef as default coordinates, not 0, 0
1896	($x, $y) = ($map->enter_x, $map->enter_y)	2460	($x, $y) = ($map->enter_x, $map->enter_y)
1897	if $x <=0 && $y <= 0;	2461	if $x <=0 && $y <= 0;
1898		2462
1899	$map->load;	2463	$map->load;
1900	$map->load_diag;	2464	$map->load_neighbours;
1901		2465
1902	return unless $self->contr->active;	2466	return unless $self->contr->active;
1903	$self->activate_recursive;	2467	$self->activate_recursive;
1904		2468
1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906	$self->enter_map ($map, $x, $y);	2470	$self->enter_map ($map, $x, $y);
1907	}	2471	}
1908		2472
1909	cf::player->attach (	2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1910	on_logout => sub {
1911	my ($pl) = @_;
1912		2474
1913	# abort map switching before logout	2475	Moves the player to the given map-path and coordinates by first freezing
1914	if ($pl->ob->{_link_pos}) {	2476	her, loading and preparing them map, calling the provided $check callback
1915	cf::sync_job {	2477	that has to return the map if sucecssful, and then unfreezes the player on
1916	$pl->ob->leave_link	2478	the new (success) or old (failed) map position. In either case, $done will
1917	};	2479	be called at the end of this process.
1918	}
1919	},
1920	on_login => sub {
1921	my ($pl) = @_;
1922		2480
1923	# try to abort aborted map switching on player login :)
1924	# should happen only on crashes
1925	if ($pl->ob->{_link_pos}) {
1926	$pl->ob->enter_link;
1927	(async {
1928	$pl->ob->reply (undef,
1929	"There was an internal problem at your last logout, "
1930	. "the server will try to bring you to your intended destination in a second.",
1931	cf::NDI_RED);
1932	# we need this sleep as the login has a concurrent enter_exit running
1933	# and this sleep increases chances of the player not ending up in scorn
1934	Coro::Timer::sleep 1;
1935	$pl->ob->leave_link;
1936	})->prio (2);
1937	}
1938	},
1939	);
1940
1941	=item $player_object->goto ($path, $x, $y)
1942
1943	=cut	2481	=cut
		2482
		2483	our $GOTOGEN;
1944		2484
1945	sub cf::object::player::goto {	2485	sub cf::object::player::goto {
1946	my ($self, $path, $x, $y) = @_;	2486	my ($self, $path, $x, $y, $check, $done) = @_;
		2487
		2488	# do generation counting so two concurrent goto's will be executed in-order
		2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1947		2490
1948	$self->enter_link;	2491	$self->enter_link;
1949		2492
1950	(async {	2493	(async {
		2494	$Coro::current->{desc} = "player::goto $path $x $y";
		2495
		2496	# *tag paths override both path and x|y
		2497	if ($path =~ /^\*(.*)$/) {
		2498	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2499	my $ob = $obs[rand @obs];
		2500
		2501	# see if we actually can go there
		2502	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2503	$ob = $obs[rand @obs];
		2504	} else {
		2505	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2506	}
		2507	# else put us there anyways for now #d#
		2508
		2509	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2510	} else {
		2511	($path, $x, $y) = (undef, undef, undef);
		2512	}
		2513	}
		2514
1951	my $map = eval {	2515	my $map = eval {
1952	my $map = cf::map::find $path;	2516	my $map = defined $path ? cf::map::find $path : undef;
		2517
		2518	if ($map) {
1953	$map = $map->customise_for ($self) if $map;	2519	$map = $map->customise_for ($self);
		2520	$map = $check->($map) if $check && $map;
		2521	} else {
		2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2523	}
		2524
1954	$map	2525	$map
		2526	};
		2527
		2528	if ($@) {
		2529	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2530	LOG llevError | logBacktrace, Carp::longmess $@;
1955	} or	2531	}
1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957		2532
		2533	if ($gen == $self->{_goto_generation}) {
		2534	delete $self->{_goto_generation};
1958	$self->leave_link ($map, $x, $y);	2535	$self->leave_link ($map, $x, $y);
		2536	}
		2537
		2538	$done->() if $done;
1959	})->prio (1);	2539	})->prio (1);
1960	}	2540	}
1961		2541
1962	=item $player_object->enter_exit ($exit_object)	2542	=item $player_object->enter_exit ($exit_object)
1963		2543
…		…
2032	my $hp = $exit->stats->hp;	2612	my $hp = $exit->stats->hp;
2033	my $sp = $exit->stats->sp;	2613	my $sp = $exit->stats->sp;
2034		2614
2035	$self->enter_link;	2615	$self->enter_link;
2036		2616
		2617	# if exit is damned, update players death & WoR home-position
		2618	$self->contr->savebed ($slaying, $hp, $sp)
		2619	if $exit->flag (FLAG_DAMNED);
		2620
2037	(async {	2621	(async {
		2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2623
2038	$self->deactivate_recursive; # just to be sure	2624	$self->deactivate_recursive; # just to be sure
2039	unless (eval {	2625	unless (eval {
2040	$self->goto ($slaying, $hp, $sp);	2626	$self->goto ($slaying, $hp, $sp);
2041		2627
2042	1;	2628	1;
…		…
2068		2654
2069	utf8::encode $text;	2655	utf8::encode $text;
2070	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2656	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2071	}	2657	}
2072		2658
		2659	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2660
		2661	Send a drawinfo or msg packet to the client, formatting the msg for the
		2662	client if neccessary. C<$type> should be a string identifying the type of
		2663	the message, with C<log> being the default. If C<$color> is negative, suppress
		2664	the message unless the client supports the msg packet.
		2665
		2666	=cut
		2667
		2668	our %CHANNEL = (
		2669	"c/identify" => {
		2670	id => "infobox",
		2671	title => "Identify",
		2672	reply => undef,
		2673	tooltip => "Items recently identified",
		2674	},
		2675	"c/examine" => {
		2676	id => "infobox",
		2677	title => "Examine",
		2678	reply => undef,
		2679	tooltip => "Signs and other items you examined",
		2680	},
		2681	"c/lookat" => {
		2682	id => "infobox",
		2683	title => "Look",
		2684	reply => undef,
		2685	tooltip => "What you saw there",
		2686	},
		2687	);
		2688
		2689	sub cf::client::send_msg {
		2690	my ($self, $channel, $msg, $color, @extra) = @_;
		2691
		2692	$msg = $self->pl->expand_cfpod ($msg);
		2693
		2694	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2695
		2696	# check predefined channels, for the benefit of C
		2697	if ($CHANNEL{$channel}) {
		2698	$channel = $CHANNEL{$channel};
		2699
		2700	$self->ext_msg (channel_info => $channel)
		2701	if $self->can_msg;
		2702
		2703	$channel = $channel->{id};
		2704
		2705	} elsif (ref $channel) {
		2706	# send meta info to client, if not yet sent
		2707	unless (exists $self->{channel}{$channel->{id}}) {
		2708	$self->{channel}{$channel->{id}} = $channel;
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711	}
		2712
		2713	$channel = $channel->{id};
		2714	}
		2715
		2716	return unless @extra || length $msg;
		2717
		2718	if ($self->can_msg) {
		2719	# default colour, mask it out
		2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2721	if $color & cf::NDI_DEF;
		2722
		2723	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2725	} else {
		2726	if ($color >= 0) {
		2727	# replace some tags by gcfclient-compatible ones
		2728	for ($msg) {
		2729	1 while
		2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2735	}
		2736
		2737	$color &= cf::NDI_COLOR_MASK;
		2738
		2739	utf8::encode $msg;
		2740
		2741	if (0 && $msg =~ /\[/) {
		2742	# COMMAND/INFO
		2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2744	} else {
		2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2746	$self->send_packet ("drawinfo $color $msg")
		2747	}
		2748	}
		2749	}
		2750	}
		2751
2073	=item $client->ext_event ($type, %msg)	2752	=item $client->ext_msg ($type, @msg)
2074		2753
2075	Sends an exti event to the client.	2754	Sends an ext event to the client.
2076		2755
2077	=cut	2756	=cut
2078		2757
2079	sub cf::client::ext_event($$%) {	2758	sub cf::client::ext_msg($$@) {
2080	my ($self, $type, %msg) = @_;	2759	my ($self, $type, @msg) = @_;
2081		2760
		2761	if ($self->extcmd == 2) {
		2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2763	} elsif ($self->extcmd == 1) { # TODO: remove
2082	$msg{msgtype} = "event_$type";	2764	push @msg, msgtype => "event_$type";
2083	$self->send_packet ("ext " . cf::to_json \%msg);	2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2766	}
		2767	}
		2768
		2769	=item $client->ext_reply ($msgid, @msg)
		2770
		2771	Sends an ext reply to the client.
		2772
		2773	=cut
		2774
		2775	sub cf::client::ext_reply($$@) {
		2776	my ($self, $id, @msg) = @_;
		2777
		2778	if ($self->extcmd == 2) {
		2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2780	} elsif ($self->extcmd == 1) {
		2781	#TODO: version 1, remove
		2782	unshift @msg, msgtype => "reply", msgid => $id;
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2784	}
2084	}	2785	}
2085		2786
2086	=item $success = $client->query ($flags, "text", \&cb)	2787	=item $success = $client->query ($flags, "text", \&cb)
2087		2788
2088	Queues a query to the client, calling the given callback with	2789	Queues a query to the client, calling the given callback with
2089	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2790	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2090	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2791	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2091		2792
2092	Queries can fail, so check the return code. Or don't, as queries will become	2793	Queries can fail, so check the return code. Or don't, as queries will
2093	reliable at some point in the future.	2794	become reliable at some point in the future.
2094		2795
2095	=cut	2796	=cut
2096		2797
2097	sub cf::client::query {	2798	sub cf::client::query {
2098	my ($self, $flags, $text, $cb) = @_;	2799	my ($self, $flags, $text, $cb) = @_;
…		…
2106	utf8::encode $text;	2807	utf8::encode $text;
2107	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2808	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108		2809
2109	$self->send_packet ($self->{query_queue}[0][0])	2810	$self->send_packet ($self->{query_queue}[0][0])
2110	if @{ $self->{query_queue} } == 1;	2811	if @{ $self->{query_queue} } == 1;
		2812
		2813	1
2111	}	2814	}
2112		2815
2113	cf::client->attach (	2816	cf::client->attach (
		2817	on_connect => sub {
		2818	my ($ns) = @_;
		2819
		2820	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2821	},
2114	on_reply => sub {	2822	on_reply => sub {
2115	my ($ns, $msg) = @_;	2823	my ($ns, $msg) = @_;
2116		2824
2117	# this weird shuffling is so that direct followup queries	2825	# this weird shuffling is so that direct followup queries
2118	# get handled first	2826	# get handled first
…		…
2130	} else {	2838	} else {
2131	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2839	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132	}	2840	}
2133	}	2841	}
2134	},	2842	},
		2843	on_exticmd => sub {
		2844	my ($ns, $buf) = @_;
		2845
		2846	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2847
		2848	if (ref $msg) {
		2849	my ($type, $reply, @payload) =
		2850	"ARRAY" eq ref $msg
		2851	? @$msg
		2852	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2853
		2854	my @reply;
		2855
		2856	if (my $cb = $EXTICMD{$type}) {
		2857	@reply = $cb->($ns, @payload);
		2858	}
		2859
		2860	$ns->ext_reply ($reply, @reply)
		2861	if $reply;
		2862
		2863	} else {
		2864	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2865	}
		2866
		2867	cf::override;
		2868	},
2135	);	2869	);
2136		2870
2137	=item $client->async (\&cb)	2871	=item $client->async (\&cb)
2138		2872
2139	Create a new coroutine, running the specified callback. The coroutine will	2873	Create a new coroutine, running the specified callback. The coroutine will
…		…
2180	our $safe = new Safe "safe";	2914	our $safe = new Safe "safe";
2181	our $safe_hole = new Safe::Hole;	2915	our $safe_hole = new Safe::Hole;
2182		2916
2183	$SIG{FPE} = 'IGNORE';	2917	$SIG{FPE} = 'IGNORE';
2184		2918
2185	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2919	$safe->permit_only (Opcode::opset qw(
		2920	:base_core :base_mem :base_orig :base_math
		2921	grepstart grepwhile mapstart mapwhile
		2922	sort time
		2923	));
2186		2924
2187	# here we export the classes and methods available to script code	2925	# here we export the classes and methods available to script code
2188		2926
2189	=pod	2927	=pod
2190		2928
2191	The following functions and methods are available within a safe environment:	2929	The following functions and methods are available within a safe environment:
2192		2930
2193	cf::object contr pay_amount pay_player map	2931	cf::object
		2932	contr pay_amount pay_player map x y force_find force_add destroy
		2933	insert remove name archname title slaying race decrease_ob_nr
		2934
2194	cf::object::player player	2935	cf::object::player
2195	cf::player peaceful	2936	player
2196	cf::map trigger	2937
		2938	cf::player
		2939	peaceful
		2940
		2941	cf::map
		2942	trigger
2197		2943
2198	=cut	2944	=cut
2199		2945
2200	for (	2946	for (
2201	["cf::object" => qw(contr pay_amount pay_player map)],	2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2948	insert remove inv name archname title slaying race
		2949	decrease_ob_nr destroy)],
2202	["cf::object::player" => qw(player)],	2950	["cf::object::player" => qw(player)],
2203	["cf::player" => qw(peaceful)],	2951	["cf::player" => qw(peaceful)],
2204	["cf::map" => qw(trigger)],	2952	["cf::map" => qw(trigger)],
2205	) {	2953	) {
2206	no strict 'refs';	2954	no strict 'refs';
…		…
2277	=back	3025	=back
2278		3026
2279	=cut	3027	=cut
2280		3028
2281	#############################################################################	3029	#############################################################################
2282
2283	=head2 EXTENSION DATABASE SUPPORT
2284
2285	Crossfire maintains a very simple database for extension use. It can
2286	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2287	convert to/from binary).
2288
2289	The parameter C<$family> should best start with the name of the extension
2290	using it, it should be unique.
2291
2292	=over 4
2293
2294	=item $value = cf::db_get $family => $key
2295
2296	Returns a single value from the database.
2297
2298	=item cf::db_put $family => $key => $value
2299
2300	Stores the given C<$value> in the family.
2301
2302	=cut
2303
2304	our $DB;
2305
2306	sub db_init {
2307	unless ($DB) {
2308	$DB = BDB::db_create $DB_ENV;
2309
2310	cf::sync_job {
2311	eval {
2312	$DB->set_flags (BDB::CHKSUM);
2313
2314	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2315	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2316	cf::cleanup "db_open(db): $!" if $!;
2317	};
2318	cf::cleanup "db_open(db): $@" if $@;
2319	};
2320	}
2321	}
2322
2323	sub db_get($$) {
2324	my $key = "$_[0]/$_[1]";
2325
2326	cf::sync_job {
2327	BDB::db_get $DB, undef, $key, my $data;
2328
2329	$! ? ()
2330	: $data
2331	}
2332	}
2333
2334	sub db_put($$$) {
2335	BDB::dbreq_pri 4;
2336	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2337	}
2338
2339	=item cf::cache $id => [$paths...], $processversion => $process
2340
2341	Generic caching function that returns the value of the resource $id,
2342	caching and regenerating as required.
2343
2344	This function can block.
2345
2346	=cut
2347
2348	sub cache {
2349	my ($id, $src, $processversion, $process) = @_;
2350
2351	my $meta =
2352	join "\x00",
2353	$processversion,
2354	map {
2355	aio_stat $_
2356	and Carp::croak "$_: $!";
2357
2358	($_, (stat _)[7,9])
2359	} @$src;
2360
2361	my $dbmeta = db_get cache => "$id/meta";
2362	if ($dbmeta ne $meta) {
2363	# changed, we may need to process
2364
2365	my @data;
2366	my $md5;
2367
2368	for (0 .. $#$src) {
2369	0 <= aio_load $src->[$_], $data[$_]
2370	or Carp::croak "$src->[$_]: $!";
2371	}
2372
2373	# if processing is expensive, check
2374	# checksum first
2375	if (1) {
2376	$md5 =
2377	join "\x00",
2378	$processversion,
2379	map {
2380	Coro::cede;
2381	($src->[$_], Digest::MD5::md5_hex $data[$_])
2382	} 0.. $#$src;
2383
2384
2385	my $dbmd5 = db_get cache => "$id/md5";
2386	if ($dbmd5 eq $md5) {
2387	db_put cache => "$id/meta", $meta;
2388
2389	return db_get cache => "$id/data";
2390	}
2391	}
2392
2393	my $t1 = Time::HiRes::time;
2394	my $data = $process->(\@data);
2395	my $t2 = Time::HiRes::time;
2396
2397	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2398
2399	db_put cache => "$id/data", $data;
2400	db_put cache => "$id/md5" , $md5;
2401	db_put cache => "$id/meta", $meta;
2402
2403	return $data;
2404	}
2405
2406	db_get cache => "$id/data"
2407	}
2408
2409	=item fork_call { }, $args
2410
2411	Executes the given code block with the given arguments in a seperate
2412	process, returning the results. Everything must be serialisable with
2413	Coro::Storable. May, of course, block. Note that the executed sub may
2414	never block itself or use any form of Event handling.
2415
2416	=cut
2417
2418	sub fork_call(&@) {
2419	my ($cb, @args) = @_;
2420
2421	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2422	# or die "socketpair: $!";
2423	pipe my $fh1, my $fh2
2424	or die "pipe: $!";
2425
2426	if (my $pid = fork) {
2427	close $fh2;
2428
2429	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2430	$res = Coro::Storable::thaw $res;
2431
2432	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2433
2434	die $$res unless "ARRAY" eq ref $res;
2435
2436	return wantarray ? @$res : $res->[-1];
2437	} else {
2438	local $SIG{__WARN__};
2439	eval {
2440	local $SIG{__DIE__};
2441	close $fh1;
2442
2443	my @res = eval { $cb->(@args) };
2444	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2445	};
2446
2447	warn $@ if $@;
2448	_exit 0;
2449	}
2450	}
2451
2452
2453
2454	#############################################################################
2455	# the server's init and main functions	3030	# the server's init and main functions
2456		3031
2457	sub load_facedata($) {	3032	sub load_facedata($) {
2458	my ($path) = @_;	3033	my ($path) = @_;
		3034
		3035	# HACK to clear player env face cache, we need some signal framework
		3036	# for this (global event?)
		3037	%ext::player_env::MUSIC_FACE_CACHE = ();
		3038
		3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2459		3040
2460	warn "loading facedata from $path\n";	3041	warn "loading facedata from $path\n";
2461		3042
2462	my $facedata;	3043	my $facedata;
2463	0 < aio_load $path, $facedata	3044	0 < aio_load $path, $facedata
…		…
2466	$facedata = Coro::Storable::thaw $facedata;	3047	$facedata = Coro::Storable::thaw $facedata;
2467		3048
2468	$facedata->{version} == 2	3049	$facedata->{version} == 2
2469	or cf::cleanup "$path: version mismatch, cannot proceed.";	3050	or cf::cleanup "$path: version mismatch, cannot proceed.";
2470		3051
		3052	# patch in the exptable
		3053	$facedata->{resource}{"res/exp_table"} = {
		3054	type => FT_RSRC,
		3055	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3056	};
		3057	cf::cede_to_tick;
		3058
2471	{	3059	{
2472	my $faces = $facedata->{faceinfo};	3060	my $faces = $facedata->{faceinfo};
2473		3061
2474	while (my ($face, $info) = each %$faces) {	3062	while (my ($face, $info) = each %$faces) {
2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3064	cf::face::set_visibility $idx, $info->{visibility};
		3065	cf::face::set_magicmap $idx, $info->{magicmap};
2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2479	Coro::cede;	3068
		3069	cf::cede_to_tick;
2480	}	3070	}
2481		3071
2482	while (my ($face, $info) = each %$faces) {	3072	while (my ($face, $info) = each %$faces) {
2483	next unless $info->{smooth};	3073	next unless $info->{smooth};
2484	my $idx = cf::face::find $face	3074	my $idx = cf::face::find $face
2485	or next;	3075	or next;
2486	if (my $smooth = cf::face::find $info->{smooth}) {	3076	if (my $smooth = cf::face::find $info->{smooth}) {
		3077	cf::face::set_smooth $idx, $smooth;
2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488	} else {	3079	} else {
2489	warn "smooth face '$info->{smooth}' not found for face '$face'";	3080	warn "smooth face '$info->{smooth}' not found for face '$face'";
2490	}	3081	}
2491	Coro::cede;	3082
		3083	cf::cede_to_tick;
2492	}	3084	}
2493	}	3085	}
2494		3086
2495	{	3087	{
2496	my $anims = $facedata->{animinfo};	3088	my $anims = $facedata->{animinfo};
2497		3089
2498	while (my ($anim, $info) = each %$anims) {	3090	while (my ($anim, $info) = each %$anims) {
2499	cf::anim::set $anim, $info->{frames}, $info->{facings};	3091	cf::anim::set $anim, $info->{frames}, $info->{facings};
2500	Coro::cede;	3092	cf::cede_to_tick;
2501	}	3093	}
2502		3094
2503	cf::anim::invalidate_all; # d'oh	3095	cf::anim::invalidate_all; # d'oh
2504	}	3096	}
2505		3097
		3098	{
		3099	# TODO: for gcfclient pleasure, we should give resources
		3100	# that gcfclient doesn't grok a >10000 face index.
		3101	my $res = $facedata->{resource};
		3102
		3103	my $soundconf = delete $res->{"res/sound.conf"};
		3104
		3105	while (my ($name, $info) = each %$res) {
		3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3107	my $data;
		3108
		3109	if ($info->{type} & 1) {
		3110	# prepend meta info
		3111
		3112	my $meta = $enc->encode ({
		3113	name => $name,
		3114	%{ $info->{meta} || {} },
		3115	});
		3116
		3117	$data = pack "(w/a*)*", $meta, $info->{data};
		3118	} else {
		3119	$data = $info->{data};
		3120	}
		3121
		3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3123	cf::face::set_type $idx, $info->{type};
		3124
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	if ($soundconf) {
		3129	$soundconf = $enc->decode (delete $soundconf->{data});
		3130
		3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3132	my $sound = $soundconf->{compat}[$_]
		3133	or next;
		3134
		3135	my $face = cf::face::find "sound/$sound->[1]";
		3136	cf::sound::set $sound->[0] => $face;
		3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3138	}
		3139
		3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3141	my $face = cf::face::find "sound/$v";
		3142	cf::sound::set $k => $face;
		3143	}
		3144	}
		3145	}
		3146
2506	1	3147	1
2507	}	3148	}
2508		3149
		3150	register_exticmd fx_want => sub {
		3151	my ($ns, $want) = @_;
		3152
		3153	while (my ($k, $v) = each %$want) {
		3154	$ns->fx_want ($k, $v);
		3155	}
		3156	};
		3157
2509	sub reload_regions {	3158	sub reload_regions {
		3159	# HACK to clear player env face cache, we need some signal framework
		3160	# for this (global event?)
		3161	%ext::player_env::MUSIC_FACE_CACHE = ();
		3162
2510	load_resource_file "$MAPDIR/regions"	3163	load_resource_file "$MAPDIR/regions"
2511	or die "unable to load regions file\n";	3164	or die "unable to load regions file\n";
		3165
		3166	for (cf::region::list) {
		3167	$_->{match} = qr/$_->{match}/
		3168	if exists $_->{match};
		3169	}
2512	}	3170	}
2513		3171
2514	sub reload_facedata {	3172	sub reload_facedata {
2515	load_facedata "$DATADIR/facedata"	3173	load_facedata "$DATADIR/facedata"
2516	or die "unable to load facedata\n";	3174	or die "unable to load facedata\n";
2517	}	3175	}
2518		3176
2519	sub reload_archetypes {	3177	sub reload_archetypes {
2520	load_resource_file "$DATADIR/archetypes"	3178	load_resource_file "$DATADIR/archetypes"
2521	or die "unable to load archetypes\n";	3179	or die "unable to load archetypes\n";
		3180	#d# NEED to laod twice to resolve forward references
		3181	# this really needs to be done in an extra post-pass
		3182	# (which needs to be synchronous, so solve it differently)
		3183	load_resource_file "$DATADIR/archetypes"
		3184	or die "unable to load archetypes\n";
2522	}	3185	}
2523		3186
2524	sub reload_treasures {	3187	sub reload_treasures {
2525	load_resource_file "$DATADIR/treasures"	3188	load_resource_file "$DATADIR/treasures"
2526	or die "unable to load treasurelists\n";	3189	or die "unable to load treasurelists\n";
…		…
2529	sub reload_resources {	3192	sub reload_resources {
2530	warn "reloading resource files...\n";	3193	warn "reloading resource files...\n";
2531		3194
2532	reload_regions;	3195	reload_regions;
2533	reload_facedata;	3196	reload_facedata;
		3197	#reload_archetypes;#d#
2534	reload_archetypes;	3198	reload_archetypes;
2535	reload_treasures;	3199	reload_treasures;
2536		3200
2537	warn "finished reloading resource files\n";	3201	warn "finished reloading resource files\n";
2538	}	3202	}
2539		3203
2540	sub init {	3204	sub init {
2541	reload_resources;	3205	reload_resources;
2542	}	3206	}
2543		3207
2544	sub cfg_load {	3208	sub reload_config {
2545	open my $fh, "<:utf8", "$CONFDIR/config"	3209	open my $fh, "<:utf8", "$CONFDIR/config"
2546	or return;	3210	or return;
2547		3211
2548	local $/;	3212	local $/;
2549	*CFG = YAML::Syck::Load <$fh>;	3213	*CFG = YAML::Syck::Load <$fh>;
…		…
2565	sub main {	3229	sub main {
2566	# we must not ever block the main coroutine	3230	# we must not ever block the main coroutine
2567	local $Coro::idle = sub {	3231	local $Coro::idle = sub {
2568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2569	(async {	3233	(async {
		3234	$Coro::current->{desc} = "IDLE BUG HANDLER";
2570	Event::one_event;	3235	Event::one_event;
2571	})->prio (Coro::PRIO_MAX);	3236	})->prio (Coro::PRIO_MAX);
2572	};	3237	};
2573		3238
2574	cfg_load;	3239	reload_config;
2575	db_init;	3240	db_init;
2576	load_extensions;	3241	load_extensions;
2577		3242
2578	$TICK_WATCHER->start;	3243	$TICK_WATCHER->start;
2579	Event::loop;	3244	Event::loop;
…		…
2595	},	3260	},
2596	);	3261	);
2597	}	3262	}
2598	}	3263	}
2599		3264
		3265	sub write_runtime {
		3266	my $runtime = "$LOCALDIR/runtime";
		3267
		3268	# first touch the runtime file to show we are still running:
		3269	# the fsync below can take a very very long time.
		3270
		3271	IO::AIO::aio_utime $runtime, undef, undef;
		3272
		3273	my $guard = cf::lock_acquire "write_runtime";
		3274
		3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3276	or return;
		3277
		3278	my $value = $cf::RUNTIME + 90 + 10;
		3279	# 10 is the runtime save interval, for a monotonic clock
		3280	# 60 allows for the watchdog to kill the server.
		3281
		3282	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3283	and return;
		3284
		3285	# always fsync - this file is important
		3286	aio_fsync $fh
		3287	and return;
		3288
		3289	# touch it again to show we are up-to-date
		3290	aio_utime $fh, undef, undef;
		3291
		3292	close $fh
		3293	or return;
		3294
		3295	aio_rename "$runtime~", $runtime
		3296	and return;
		3297
		3298	warn "runtime file written.\n";
		3299
		3300	1
		3301	}
		3302
2600	sub emergency_save() {	3303	sub emergency_save() {
2601	my $freeze_guard = cf::freeze_mainloop;	3304	my $freeze_guard = cf::freeze_mainloop;
2602		3305
2603	warn "enter emergency perl save\n";	3306	warn "enter emergency perl save\n";
2604		3307
…		…
2608	# and maps saved/destroyed asynchronously.	3311	# and maps saved/destroyed asynchronously.
2609	warn "begin emergency player save\n";	3312	warn "begin emergency player save\n";
2610	for my $login (keys %cf::PLAYER) {	3313	for my $login (keys %cf::PLAYER) {
2611	my $pl = $cf::PLAYER{$login} or next;	3314	my $pl = $cf::PLAYER{$login} or next;
2612	$pl->valid or next;	3315	$pl->valid or next;
		3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2613	$pl->save;	3317	$pl->save;
2614	}	3318	}
2615	warn "end emergency player save\n";	3319	warn "end emergency player save\n";
2616		3320
2617	warn "begin emergency map save\n";	3321	warn "begin emergency map save\n";
…		…
2679	%EXT_CORO = ();	3383	%EXT_CORO = ();
2680		3384
2681	warn "removing commands";	3385	warn "removing commands";
2682	%COMMAND = ();	3386	%COMMAND = ();
2683		3387
2684	warn "removing ext commands";	3388	warn "removing ext/exti commands";
2685	%EXTCMD = ();	3389	%EXTCMD = ();
		3390	%EXTICMD = ();
2686		3391
2687	warn "unloading/nuking all extensions";	3392	warn "unloading/nuking all extensions";
2688	for my $pkg (@EXTS) {	3393	for my $pkg (@EXTS) {
2689	warn "... unloading $pkg";	3394	warn "... unloading $pkg";
2690		3395
…		…
2733	warn "reloading cf.pm";	3438	warn "reloading cf.pm";
2734	require cf;	3439	require cf;
2735	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2736		3441
2737	warn "loading config and database again";	3442	warn "loading config and database again";
2738	cf::cfg_load;	3443	cf::reload_config;
2739		3444
2740	warn "loading extensions";	3445	warn "loading extensions";
2741	cf::load_extensions;	3446	cf::load_extensions;
2742		3447
2743	warn "reattaching attachments to objects/players";	3448	warn "reattaching attachments to objects/players";
…		…
2779	register_command "reload" => sub {	3484	register_command "reload" => sub {
2780	my ($who, $arg) = @_;	3485	my ($who, $arg) = @_;
2781		3486
2782	if ($who->flag (FLAG_WIZ)) {	3487	if ($who->flag (FLAG_WIZ)) {
2783	$who->message ("reloading server.");	3488	$who->message ("reloading server.");
		3489	async {
		3490	$Coro::current->{desc} = "perl_reload";
2784	async { reload_perl };	3491	reload_perl;
		3492	};
2785	}	3493	}
2786	};	3494	};
2787		3495
2788	unshift @INC, $LIBDIR;	3496	unshift @INC, $LIBDIR;
2789		3497
…		…
2821	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2822	unless ++$bug_warning > 10;	3530	unless ++$bug_warning > 10;
2823	return;	3531	return;
2824	}	3532	}
2825		3533
2826	$NOW = Event::time;	3534	$NOW = $tick_start = Event::time;
2827		3535
2828	cf::server_tick; # one server iteration	3536	cf::server_tick; # one server iteration
2829		3537
2830	$RUNTIME += $TICK;	3538	$RUNTIME += $TICK;
2831	$NEXT_TICK += $TICK;	3539	$NEXT_TICK += $TICK;
2832		3540
2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2834	$NEXT_RUNTIME_WRITE = $NOW + 10;	3542	$NEXT_RUNTIME_WRITE = $NOW + 10;
2835	Coro::async_pool {	3543	Coro::async_pool {
		3544	$Coro::current->{desc} = "runtime saver";
2836	write_runtime	3545	write_runtime
2837	or warn "ERROR: unable to write runtime file: $!";	3546	or warn "ERROR: unable to write runtime file: $!";
2838	};	3547	};
2839	}	3548	}
2840		3549
2841	# my $AFTER = Event::time;	3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2842	# warn $AFTER - $NOW;#d#	3551	$sig->send;
		3552	}
		3553	while (my $sig = shift @WAIT_FOR_TICK) {
		3554	$sig->send;
		3555	}
		3556
		3557	$NOW = Event::time;
2843		3558
2844	# if we are delayed by four ticks or more, skip them all	3559	# if we are delayed by four ticks or more, skip them all
2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2846		3561
2847	$TICK_WATCHER->at ($NEXT_TICK);	3562	$TICK_WATCHER->at ($NEXT_TICK);
2848	$TICK_WATCHER->start;	3563	$TICK_WATCHER->start;
2849		3564
2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3565	$LOAD = ($NOW - $tick_start) / $TICK;
2851	$sig->send;	3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2852	}
2853	while (my $sig = shift @WAIT_FOR_TICK) {
2854	$sig->send;
2855	}
2856		3567
2857	_post_tick;	3568	_post_tick;
2858	},	3569	},
2859	);	3570	);
2860		3571
2861	{	3572	{
		3573	BDB::min_parallel 8;
2862	BDB::max_poll_time $TICK * 0.1;	3574	BDB::max_poll_time $TICK * 0.1;
2863	$BDB_POLL_WATCHER = Event->io (	3575	$BDB_POLL_WATCHER = Event->io (
2864	reentrant => 0,	3576	reentrant => 0,
2865	fd => BDB::poll_fileno,	3577	fd => BDB::poll_fileno,
2866	poll => 'r',	3578	poll => 'r',
2867	prio => 0,	3579	prio => 0,
2868	data => WF_AUTOCANCEL,	3580	data => WF_AUTOCANCEL,
2869	cb => \&BDB::poll_cb,	3581	cb => \&BDB::poll_cb,
2870	);	3582	);
2871	BDB::min_parallel 8;
2872		3583
2873	BDB::set_sync_prepare {	3584	BDB::set_sync_prepare {
2874	my $status;	3585	my $status;
2875	my $current = $Coro::current;	3586	my $current = $Coro::current;
2876	(	3587	(
…		…
2885	)	3596	)
2886	};	3597	};
2887		3598
2888	unless ($DB_ENV) {	3599	unless ($DB_ENV) {
2889	$DB_ENV = BDB::db_env_create;	3600	$DB_ENV = BDB::db_env_create;
		3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3602	| BDB::LOG_AUTOREMOVE, 1);
		3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2890		3605
2891	cf::sync_job {	3606	cf::sync_job {
2892	eval {	3607	eval {
2893	BDB::db_env_open	3608	BDB::db_env_open
2894	$DB_ENV,	3609	$DB_ENV,
…		…
2896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3611	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3612	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2898	0666;	3613	0666;
2899		3614
2900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3615	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2901
2902	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2903	$DB_ENV->set_lk_detect;
2904	};	3616	};
2905		3617
2906	cf::cleanup "db_env_open(db): $@" if $@;	3618	cf::cleanup "db_env_open(db): $@" if $@;
2907	};	3619	};
2908	}	3620	}
		3621
		3622	$BDB_DEADLOCK_WATCHER = Event->timer (
		3623	after => 3,
		3624	interval => 1,
		3625	hard => 1,
		3626	prio => 0,
		3627	data => WF_AUTOCANCEL,
		3628	cb => sub {
		3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3630	},
		3631	);
		3632	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3633	after => 11,
		3634	interval => 60,
		3635	hard => 1,
		3636	prio => 0,
		3637	data => WF_AUTOCANCEL,
		3638	cb => sub {
		3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3640	},
		3641	);
		3642	$BDB_TRICKLE_WATCHER = Event->timer (
		3643	after => 5,
		3644	interval => 10,
		3645	hard => 1,
		3646	prio => 0,
		3647	data => WF_AUTOCANCEL,
		3648	cb => sub {
		3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3650	},
		3651	);
2909	}	3652	}
2910		3653
2911	{	3654	{
2912	IO::AIO::min_parallel 8;	3655	IO::AIO::min_parallel 8;
2913		3656
…		…
2916	$AIO_POLL_WATCHER = Event->io (	3659	$AIO_POLL_WATCHER = Event->io (
2917	reentrant => 0,	3660	reentrant => 0,
2918	data => WF_AUTOCANCEL,	3661	data => WF_AUTOCANCEL,
2919	fd => IO::AIO::poll_fileno,	3662	fd => IO::AIO::poll_fileno,
2920	poll => 'r',	3663	poll => 'r',
2921	prio => 6,	3664	prio => 0,
2922	cb => \&IO::AIO::poll_cb,	3665	cb => \&IO::AIO::poll_cb,
2923	);	3666	);
2924	}	3667	}
2925		3668
		3669	my $_log_backtrace;
		3670
		3671	sub _log_backtrace {
		3672	my ($msg, @addr) = @_;
		3673
		3674	$msg =~ s/\n//;
		3675
		3676	# limit the # of concurrent backtraces
		3677	if ($_log_backtrace < 2) {
		3678	++$_log_backtrace;
		3679	async {
		3680	$Coro::current->{desc} = "abt $msg";
		3681
		3682	my @bt = fork_call {
		3683	@addr = map { sprintf "%x", $_ } @addr;
		3684	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3685	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3686	or die "addr2line: $!";
		3687
		3688	my @funcs;
		3689	my @res = <$fh>;
		3690	chomp for @res;
		3691	while (@res) {
		3692	my ($func, $line) = splice @res, 0, 2, ();
		3693	push @funcs, "[$func] $line";
		3694	}
		3695
		3696	@funcs
		3697	};
		3698
		3699	LOG llevInfo, "[ABT] $msg\n";
		3700	LOG llevInfo, "[ABT] $_\n" for @bt;
		3701	--$_log_backtrace;
		3702	};
		3703	} else {
		3704	LOG llevInfo, "[ABT] $msg\n";
		3705	LOG llevInfo, "[ABT] [suppressed]\n";
		3706	}
		3707	}
		3708
2926	# load additional modules	3709	# load additional modules
2927	use cf::pod;	3710	use cf::pod;
2928		3711
2929	END { cf::emergency_save }	3712	END { cf::emergency_save }
2930		3713

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