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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 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	warn "starting to write runtime...\n";#d#	494	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		495
380	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		498
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
385	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
386		502
387	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	504	reset_signals;
389	and return;	505	&$cb
		506	}, @args;
390		507
391	close $fh	508	wantarray ? @res : $res[-1]
392	or return;	509	}
393		510
394	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
395	and return;
396		512
397	warn "... done writing runtime.\n";#d#	513	Returns a single value from the environment database.
398		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
399	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"
400	}	636	}
401		637
402	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
403		639
404	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.
…		…
422	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")
423	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
424		660
425	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>
426	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
427	crossfire+).	663	Crossfire TRT).
428		664
429	=over 4	665	=over 4
430		666
431	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
432		668
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
596		832
597	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		837
602	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	839	my $pkg = shift @arg;
604		840
605	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
635	}	871	}
636		872
637	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
638	} else {	874	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	876	}
641		877
642	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
643	}	879	}
644		880
…		…
646	if (ref $_[0]) {	882	if (ref $_[0]) {
647	_object_attach @_;	883	_object_attach @_;
648	} else {	884	} else {
649	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
650	}	886	}
		887	_recalc_want;
651	};	888	};
652		889
653	# all those should be optimised	890	# all those should be optimised
654	sub cf::attachable::detach {	891	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
659	reattach ($obj);	896	reattach ($obj);
660	} else {	897	} else {
661	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
662	}	899	}
		900	_recalc_want;
663	};	901	};
664		902
665	sub cf::attachable::attached {	903	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
667		905
…		…
682	";	920	";
683	die if $@;	921	die if $@;
684	}	922	}
685		923
686	our $override;	924	our $override;
687	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?
688		926
689	sub override {	927	sub override {
690	$override = 1;	928	$override = 1;
691	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
692	}	930	}
693		931
694	sub do_invoke {	932	sub do_invoke {
695	my $event = shift;	933	my $event = shift;
696	my $callbacks = shift;	934	my $callbacks = shift;
697		935
698	@invoke_results = ();	936	@INVOKE_RESULTS = ();
699		937
700	local $override;	938	local $override;
701		939
702	for (@$callbacks) {	940	for (@$callbacks) {
703	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
720		958
721	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
722		960
723	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
724	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
725	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		964
727	=back	965	=back
728		966
729	=cut	967	=cut
730		968
731	#############################################################################	969	#############################################################################
732	# object support	970	# object support
		971
		972	sub _object_equal($$);
		973	sub _object_equal($$) {
		974	my ($a, $b) = @_;
		975
		976	return 0 unless (ref $a) eq (ref $b);
		977
		978	if ("HASH" eq ref $a) {
		979	my @ka = keys %$a;
		980	my @kb = keys %$b;
		981
		982	return 0 if @ka != @kb;
		983
		984	for (0 .. $#ka) {
		985	return 0 unless $ka[$_] eq $kb[$_];
		986	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		987	}
		988
		989	} elsif ("ARRAY" eq ref $a) {
		990
		991	return 0 if @$a != @$b;
		992
		993	for (0 .. $#$a) {
		994	return 0 unless _object_equal $a->[$_], $b->[$_];
		995	}
		996
		997	} elsif ($a ne $b) {
		998	return 0;
		999	}
		1000
		1001	1
		1002	}
		1003
		1004	our $SLOW_MERGES;#d#
		1005	sub _can_merge {
		1006	my ($ob1, $ob2) = @_;
		1007
		1008	++$SLOW_MERGES;#d#
		1009
		1010	# we do the slow way here
		1011	return _object_equal $ob1, $ob2
		1012	}
733		1013
734	sub reattach {	1014	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1015	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1016	my ($obj) = @_;
737		1017
…		…
784	sub object_freezer_save {	1064	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1065	my ($filename, $rdata, $objs) = @_;
786		1066
787	sync_job {	1067	sync_job {
788	if (length $$rdata) {	1068	if (length $$rdata) {
		1069	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1070	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1071	$decname, length $$rdata, scalar @$objs;
791		1072
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1074	chmod SAVE_MODE, $fh;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1076	aio_fsync $fh if $cf::USE_FSYNC;
796	close $fh;	1077	close $fh;
797		1078
798	if (@$objs) {	1079	if (@$objs) {
799	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) {
800	chmod SAVE_MODE, $fh;	1081	chmod SAVE_MODE, $fh;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1083	aio_write $fh, 0, (length $data), $data, 0;
803	aio_fsync $fh if $cf::USE_FSYNC;	1084	aio_fsync $fh if $cf::USE_FSYNC;
804	close $fh;	1085	close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1086	aio_rename "$filename.pst~", "$filename.pst";
806	}	1087	}
…		…
814	}	1095	}
815	} else {	1096	} else {
816	aio_unlink $filename;	1097	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1098	aio_unlink "$filename.pst";
818	}	1099	}
819	}	1100	};
820	}	1101	}
821		1102
822	sub object_freezer_as_string {	1103	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1104	my ($rdata, $objs) = @_;
824		1105
…		…
836	or return;	1117	or return;
837		1118
838	unless (aio_stat "$filename.pst") {	1119	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1120	(aio_load "$filename.pst", $av) >= 0
840	or return;	1121	or return;
841	$av = eval { (Storable::thaw $av)->{objs} };
842	}
843		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);
844	warn sprintf "loading %s (%d)\n",	1129	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1130	$decname, length $data, scalar @{$av || []};
		1131
846	return ($data, $av);	1132	($data, $av)
847	}	1133	}
		1134
		1135	=head2 COMMAND CALLBACKS
		1136
		1137	=over 4
		1138
		1139	=cut
848		1140
849	#############################################################################	1141	#############################################################################
850	# command handling &c	1142	# command handling &c
851		1143
852	=item cf::register_command $name => \&callback($ob,$args);	1144	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1157	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1158	}
867		1159
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1160	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1161
870	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.
871		1167
872	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
873	called.	1169	called.
874		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
875	=cut	1182	=cut
876		1183
877	sub register_extcmd {	1184	sub register_extcmd {
878	my ($name, $cb) = @_;	1185	my ($name, $cb) = @_;
879		1186
880	$EXTCMD{$name} = $cb;	1187	$EXTCMD{$name} = $cb;
		1188	}
		1189
		1190	sub register_exticmd {
		1191	my ($name, $cb) = @_;
		1192
		1193	$EXTICMD{$name} = $cb;
881	}	1194	}
882		1195
883	cf::player->attach (	1196	cf::player->attach (
884	on_command => sub {	1197	on_command => sub {
885	my ($pl, $name, $params) = @_;	1198	my ($pl, $name, $params) = @_;
…		…
894	cf::override;	1207	cf::override;
895	},	1208	},
896	on_extcmd => sub {	1209	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1210	my ($pl, $buf) = @_;
898		1211
899	my $msg = eval { from_json $buf };	1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1213
901	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
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1222	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1223	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1224	}
		1225
		1226	$pl->ext_reply ($reply, @reply)
		1227	if $reply;
		1228
907	} else {	1229	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1231	}
910		1232
911	cf::override;	1233	cf::override;
912	},	1234	},
913	);	1235	);
914		1236
915	sub load_extension {
916	my ($path) = @_;
917
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
919	my $base = $1;
920	my $pkg = $1;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}
943	die $@;
944	}
945
946	push @EXTS, $pkg;
947	}
948
949	sub load_extensions {	1237	sub load_extensions {
		1238	cf::sync_job {
		1239	my %todo;
		1240
950	for my $ext (<$LIBDIR/*.ext>) {	1241	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1242	next unless -r $path;
952	eval {	1243
953	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;
954	1	1301	}
955	} or warn "$ext not loaded: $@";	1302
		1303	skip:
		1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1305	unless $progress;
		1306	}
956	}	1307	};
957	}	1308	}
958		1309
959	#############################################################################	1310	#############################################################################
960		1311
		1312	=back
		1313
961	=head2 CORE EXTENSIONS	1314	=head2 CORE EXTENSIONS
962		1315
963	Functions and methods that extend core crossfire objects.	1316	Functions and methods that extend core crossfire objects.
964		1317
965	=cut	1318	=cut
…		…
969	use Coro::AIO;	1322	use Coro::AIO;
970		1323
971	=head3 cf::player	1324	=head3 cf::player
972		1325
973	=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	}
974		1341
975	=item cf::player::find $login	1342	=item cf::player::find $login
976		1343
977	Returns the given player object, loading it if necessary (might block).	1344	Returns the given player object, loading it if necessary (might block).
978		1345
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1381	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1382	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1383	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1384	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1385
1019	my $pl = load_pl path $login	1386	my $f = new_from_file cf::object::thawer path $login
1020	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;
1021	$cf::PLAYER{$login} = $pl	1393	$cf::PLAYER{$login} = $pl
1022	}	1394	}
1023	}	1395	}
1024	}	1396	}
1025		1397
…		…
1035		1407
1036	aio_mkdir playerdir $pl, 0770;	1408	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1409	$pl->{last_save} = $cf::RUNTIME;
1038		1410
1039	$pl->save_pl ($path);	1411	$pl->save_pl ($path);
1040	Coro::cede;	1412	cf::cede_to_tick;
1041	}	1413	}
1042		1414
1043	sub new($) {	1415	sub new($) {
1044	my ($login) = @_;	1416	my ($login) = @_;
1045		1417
…		…
1049	$self->{deny_save} = 1;	1421	$self->{deny_save} = 1;
1050		1422
1051	$cf::PLAYER{$login} = $self;	1423	$cf::PLAYER{$login} = $self;
1052		1424
1053	$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 (@_);
1054	}	1436	}
1055		1437
1056	=item $pl->quit_character	1438	=item $pl->quit_character
1057		1439
1058	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
…		…
1113	or return [];	1495	or return [];
1114		1496
1115	my @logins;	1497	my @logins;
1116		1498
1117	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") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1505	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1506	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1507	}
1121		1508
1122	utf8::decode $login;	1509	utf8::decode $login;
1123	push @logins, $login;	1510	push @logins, $login;
1124	}	1511	}
1125		1512
…		…
1152	}	1539	}
1153		1540
1154	\@paths	1541	\@paths
1155	}	1542	}
1156		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
1157	=item $player->ext_reply ($msgid, %msg)	1595	=item $player->ext_reply ($msgid, @msg)
1158		1596
1159	Sends an ext reply to the player.	1597	Sends an ext reply to the player.
1160		1598
1161	=cut	1599	=cut
1162		1600
1163	sub ext_reply($$%) {	1601	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1602	my ($self, $id, @msg) = @_;
1165		1603
1166	$msg{msgid} = $id;	1604	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1605	}
1170		1606
1171	=item $player->ext_event ($type, %msg)	1607	=item $player->ext_msg ($type, @msg)
1172		1608
1173	Sends an ext event to the client.	1609	Sends an ext event to the client.
1174		1610
1175	=cut	1611	=cut
1176		1612
1177	sub ext_event($$%) {	1613	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1614	my ($self, $type, @msg) = @_;
1179		1615
1180	$self->ns->ext_event ($type, %msg);	1616	$self->ns->ext_msg ($type, @msg);
1181	}	1617	}
1182		1618
1183	=head3 cf::region	1619	=head3 cf::region
1184		1620
1185	=over 4	1621	=over 4
…		…
1188		1624
1189	package cf::region;	1625	package cf::region;
1190		1626
1191	=item cf::region::find_by_path $path	1627	=item cf::region::find_by_path $path
1192		1628
1193	Tries to decuce the probable region for a map knowing only its path.	1629	Tries to decuce the likely region for a map knowing only its path.
1194		1630
1195	=cut	1631	=cut
1196		1632
1197	sub find_by_path($) {	1633	sub find_by_path($) {
1198	my ($path) = @_;	1634	my ($path) = @_;
1199		1635
1200	my ($match, $specificity);	1636	my ($match, $specificity);
1201		1637
1202	for my $region (list) {	1638	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1639	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1640	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1641	if $region->specificity > $specificity;
1206	}	1642	}
1207	}	1643	}
1208		1644
…		…
1272	my ($self, $merge) = @_;	1708	my ($self, $merge) = @_;
1273		1709
1274	# we have to keep some variables in memory intact	1710	# we have to keep some variables in memory intact
1275	local $self->{path};	1711	local $self->{path};
1276	local $self->{load_path};	1712	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1713
1280	$self->SUPER::thawer_merge ($merge);	1714	$self->SUPER::thawer_merge ($merge);
1281	}	1715	}
1282		1716
1283	sub normalise {	1717	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1764	$self->init; # pass $1 etc.
1331	return $self;	1765	return $self;
1332	}	1766	}
1333	}	1767	}
1334		1768
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1769	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1770	()
1337	}	1771	}
1338		1772
1339	sub init {	1773	sub init {
1340	my ($self) = @_;	1774	my ($self) = @_;
…		…
1383		1817
1384	$_->change_map_light ($change)	1818	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1819	for grep $_->outdoor, values %cf::MAP;
1386	}	1820	}
1387		1821
		1822	sub decay_objects {
		1823	my ($self) = @_;
		1824
		1825	return if $self->{deny_reset};
		1826
		1827	$self->do_decay_objects;
		1828	}
		1829
1388	sub unlink_save {	1830	sub unlink_save {
1389	my ($self) = @_;	1831	my ($self) = @_;
1390		1832
1391	utf8::encode (my $save = $self->save_path);	1833	utf8::encode (my $save = $self->save_path);
1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1834	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1395		1837
1396	sub load_header_from($) {	1838	sub load_header_from($) {
1397	my ($self, $path) = @_;	1839	my ($self, $path) = @_;
1398		1840
1399	utf8::encode $path;	1841	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1842	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	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;
1405		1850
1406	$self->{load_path} = $path;	1851	$self->{load_path} = $path;
1407		1852
1408	1	1853	1
1409	}	1854	}
…		…
1448	$self->load_header_orig	1893	$self->load_header_orig
1449	or return;	1894	or return;
1450	$self->prepare_orig;	1895	$self->prepare_orig;
1451	}	1896	}
1452		1897
		1898	$self->{deny_reset} = 1
		1899	if $self->no_reset;
		1900
1453	$self->default_region (cf::region::find_by_path $self->{path})	1901	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1902	unless $self->default_region;
1455		1903
1456	1	1904	1
1457	}	1905	}
…		…
1460	sub find {	1908	sub find {
1461	my ($path, $origin) = @_;	1909	my ($path, $origin) = @_;
1462		1910
1463	$path = normalise $path, $origin && $origin->path;	1911	$path = normalise $path, $origin && $origin->path;
1464		1912
		1913	cf::lock_wait "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	1914	cf::lock_wait "map_find:$path";
1466		1915
1467	$cf::MAP{$path} || do {	1916	$cf::MAP{$path} || do {
1468	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
1469	my $map = new_from_path cf::map $path	1920	my $map = new_from_path cf::map $path
1470	or return;	1921	or return;
1471		1922
1472	$map->{last_save} = $cf::RUNTIME;	1923	$map->{last_save} = $cf::RUNTIME;
1473		1924
1474	$map->load_header	1925	$map->load_header
1475	or return;	1926	or return;
1476		1927
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1929	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1930	#$cf::WAIT_FOR_TICK->wait;
		1931	undef $guard1;
		1932	undef $guard2;
1480	$map->reset;	1933	$map->reset;
1481	undef $guard;
1482	return find $path;	1934	return find $path;
1483	}	1935	}
1484		1936
1485	$cf::MAP{$path} = $map	1937	$cf::MAP{$path} = $map
1486	}	1938	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	1947	local $self->{deny_reset} = 1; # loading can take a long time
1496		1948
1497	my $path = $self->{path};	1949	my $path = $self->{path};
1498		1950
1499	{	1951	{
1500	my $guard = cf::lock_acquire "map_load:$path";	1952	my $guard = cf::lock_acquire "map_data:$path";
1501		1953
		1954	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	1955	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		1956
1504	$self->in_memory (cf::MAP_LOADING);	1957	$self->in_memory (cf::MAP_LOADING);
1505		1958
1506	$self->alloc;	1959	$self->alloc;
1507		1960
1508	$self->pre_load;	1961	$self->pre_load;
1509	Coro::cede;	1962	cf::cede_to_tick;
1510		1963
		1964	my $f = new_from_file cf::object::thawer $self->{load_path};
		1965	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	1966	$self->_load_objects ($f)
1512	or return;	1967	or return;
1513		1968
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515	if delete $self->{load_original};	1970	if delete $self->{load_original};
1516		1971
1517	if (my $uniq = $self->uniq_path) {	1972	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	1973	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	1974	unless (aio_stat $uniq) {
		1975	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	1976	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	1977	$self->_load_objects ($f);
		1978	$f->resolve_delayed_derefs;
		1979	}
1522	}	1980	}
1523	}	1981	}
1524		1982
1525	Coro::cede;	1983	$f->resolve_delayed_derefs;
		1984
		1985	cf::cede_to_tick;
1526	# now do the right thing for maps	1986	# now do the right thing for maps
1527	$self->link_multipart_objects;	1987	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	1988	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	1989	unless $self->difficulty;
1530	Coro::cede;	1990	cf::cede_to_tick;
1531		1991
1532	unless ($self->{deny_activate}) {	1992	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	1993	$self->decay_objects;
1534	$self->fix_auto_apply;	1994	$self->fix_auto_apply;
1535	$self->update_buttons;	1995	$self->update_buttons;
1536	Coro::cede;	1996	cf::cede_to_tick;
1537	$self->set_darkness_map;	1997	$self->set_darkness_map;
1538	Coro::cede;	1998	cf::cede_to_tick;
1539	$self->activate;	1999	$self->activate;
1540	}	2000	}
		2001
		2002	$self->{last_save} = $cf::RUNTIME;
		2003	$self->last_access ($cf::RUNTIME);
1541		2004
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2005	$self->in_memory (cf::MAP_IN_MEMORY);
1543	}	2006	}
1544		2007
1545	$self->post_load;	2008	$self->post_load;
…		…
1549	my ($self, $ob) = @_;	2012	my ($self, $ob) = @_;
1550		2013
1551	return find "~" . $ob->name . "/" . $self->{path}	2014	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2015	if $self->per_player;
1553		2016
		2017	# return find "?party/" . $ob->name . "/" . $self->{path}
		2018	# if $self->per_party;
		2019
1554	$self	2020	$self
1555	}	2021	}
1556		2022
1557	# find and load all maps in the 3x3 area around a map	2023	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2024	sub load_neighbours {
1559	my ($map) = @_;	2025	my ($map) = @_;
1560		2026
1561	my @diag; # diagonal neighbours	2027	my @neigh; # diagonal neighbours
1562		2028
1563	for (0 .. 3) {	2029	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2030	my $neigh = $map->tile_path ($_)
1565	or next;	2031	or next;
1566	$neigh = find $neigh, $map	2032	$neigh = find $neigh, $map
1567	or next;	2033	or next;
1568	$neigh->load;	2034	$neigh->load;
1569		2035
		2036	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2039	}
1573		2040
1574	for (@diag) {	2041	for (grep defined $_->[0], @neigh) {
		2042	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2043	my $neigh = find $path, $origin
1576	or next;	2044	or next;
1577	$neigh->load;	2045	$neigh->load;
1578	}	2046	}
1579	}	2047	}
1580		2048
…		…
1585	}	2053	}
1586		2054
1587	sub do_load_sync {	2055	sub do_load_sync {
1588	my ($map) = @_;	2056	my ($map) = @_;
1589		2057
		2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2059	if $Coro::current == $Coro::main;
		2060
1590	cf::sync_job { $map->load };	2061	cf::sync_job { $map->load };
1591	}	2062	}
1592		2063
1593	our %MAP_PREFETCH;	2064	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2065	our $MAP_PREFETCHER = undef;
1595		2066
1596	sub find_async {	2067	sub find_async {
1597	my ($path, $origin) = @_;	2068	my ($path, $origin, $load) = @_;
1598		2069
1599	$path = normalise $path, $origin && $origin->{path};	2070	$path = normalise $path, $origin && $origin->{path};
1600		2071
1601	if (my $map = $cf::MAP{$path}) {	2072	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1603	}	2074	}
1604		2075
1605	undef $MAP_PREFETCH{$path};	2076	$MAP_PREFETCH{$path} |= $load;
		2077
1606	$MAP_PREFETCHER ||= cf::async {	2078	$MAP_PREFETCHER ||= cf::async {
		2079	$Coro::current->{desc} = "map prefetcher";
		2080
1607	while (%MAP_PREFETCH) {	2081	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2082	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2083	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2084	$map->load if $v;
		2085	}
1612		2086
1613	delete $MAP_PREFETCH{$path};	2087	delete $MAP_PREFETCH{$k};
1614	}	2088	}
1615	}	2089	}
1616	undef $MAP_PREFETCHER;	2090	undef $MAP_PREFETCHER;
1617	};	2091	};
1618	$MAP_PREFETCHER->prio (6);	2092	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2095	}
1622		2096
1623	sub save {	2097	sub save {
1624	my ($self) = @_;	2098	my ($self) = @_;
1625		2099
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2101
1628	$self->{last_save} = $cf::RUNTIME;	2102	$self->{last_save} = $cf::RUNTIME;
1629		2103
1630	return unless $self->dirty;	2104	return unless $self->dirty;
1631		2105
…		…
1637	return if $self->{deny_save};	2111	return if $self->{deny_save};
1638		2112
1639	local $self->{last_access} = $self->last_access;#d#	2113	local $self->{last_access} = $self->last_access;#d#
1640		2114
1641	cf::async {	2115	cf::async {
		2116	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2117	$_->contr->save for $self->players;
1643	};	2118	};
1644		2119
1645	if ($uniq) {	2120	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1654	my ($self) = @_;	2129	my ($self) = @_;
1655		2130
1656	# save first because save cedes	2131	# save first because save cedes
1657	$self->save;	2132	$self->save;
1658		2133
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2135
1661	return if $self->players;	2136	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2137	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};	2138	return if $self->{deny_save};
1664		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	$self->deactivate;
		2143	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2144	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2145	}
1668		2146
1669	sub reset_at {	2147	sub reset_at {
1670	my ($self) = @_;	2148	my ($self) = @_;
1671		2149
1672	# TODO: safety, remove and allow resettable per-player maps	2150	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2151	return 1e99 if $self->{deny_reset};
1675		2152
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2155
…		…
1689	my ($self) = @_;	2166	my ($self) = @_;
1690		2167
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2169
1693	return if $self->players;	2170	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2171
1696	warn "resetting map ", $self->path;#d#	2172	warn "resetting map ", $self->path;
1697		2173
1698	$self->in_memory (cf::MAP_SWAPPED);	2174	$self->in_memory (cf::MAP_SWAPPED);
1699		2175
1700	# need to save uniques path	2176	# need to save uniques path
1701	unless ($self->{deny_save}) {	2177	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2181	if $uniq;
1706	}	2182	}
1707		2183
1708	delete $cf::MAP{$self->path};	2184	delete $cf::MAP{$self->path};
1709		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2188	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2189
1714	$self->unlink_save;	2190	$self->unlink_save;
1715	$self->destroy;	2191	$self->destroy;
1716	}	2192	}
1717		2193
1718	my $nuke_counter = "aaaa";	2194	my $nuke_counter = "aaaa";
1719		2195
1720	sub nuke {	2196	sub nuke {
1721	my ($self) = @_;	2197	my ($self) = @_;
1722		2198
		2199	{
		2200	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2201
1723	delete $cf::MAP{$self->path};	2202	delete $cf::MAP{$self->path};
1724		2203
1725	$self->unlink_save;	2204	$self->unlink_save;
1726		2205
1727	bless $self, "cf::map";	2206	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2207	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2208	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2209	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2211
1733	$cf::MAP{$self->path} = $self;	2212	$cf::MAP{$self->path} = $self;
		2213	}
1734		2214
1735	$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	]
1736	}	2252	}
1737		2253
1738	=item cf::map::unique_maps	2254	=item cf::map::unique_maps
1739		2255
1740	Returns an arrayref of paths of all shared maps that have	2256	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2257	instantiated unique items. May block.
1742		2258
1743	=cut	2259	=cut
1744		2260
1745	sub unique_maps() {	2261	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2262	[
1747	or return;	2263	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2264	utf8::decode $_;
1753	next if /\.pst$/;	2265	/\.map$/
1754	next unless /^$PATH_SEP/o;	2266	? normalise $_
1755		2267	: ()
1756	push @paths, cf::map::normalise $_;	2268	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2269	]
1758
1759	\@paths
1760	}	2270	}
1761		2271
1762	package cf;	2272	package cf;
1763		2273
1764	=back	2274	=back
…		…
1782	map { $_, inv_recursive_ $_->inv } @_	2292	map { $_, inv_recursive_ $_->inv } @_
1783	}	2293	}
1784		2294
1785	sub inv_recursive {	2295	sub inv_recursive {
1786	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	}
1787	}	2325	}
1788		2326
1789	package cf;	2327	package cf;
1790		2328
1791	=back	2329	=back
…		…
1810		2348
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2349	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2350
1813	if ($self->{record_replies}) {	2351	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2352	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2353
1815	} 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 {
1816	$msg = $npc->name . " says: $msg" if $npc;	2362	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2363	$self->message ($msg, $flags);
		2364	}
1818	}	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 (@_);
1819	}	2376	}
1820		2377
1821	=item $player_object->may ("access")	2378	=item $player_object->may ("access")
1822		2379
1823	Returns wether the given player is authorized to access resource "access"	2380	Returns wether the given player is authorized to access resource "access"
…		…
1870	$self->deactivate_recursive;	2427	$self->deactivate_recursive;
1871		2428
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2429	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2430
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2432	if $self->map && $self->map->{path} ne "{link}";
1876		2433
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2435	}
1879		2436
1880	sub cf::object::player::leave_link {	2437	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2438	my ($self, $map, $x, $y) = @_;
		2439
		2440	return unless $self->contr->active;
1882		2441
1883	my $link_pos = delete $self->{_link_pos};	2442	my $link_pos = delete $self->{_link_pos};
1884		2443
1885	unless ($map) {	2444	unless ($map) {
1886	# restore original map position	2445	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2459	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2460	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2461	if $x <=0 && $y <= 0;
1903		2462
1904	$map->load;	2463	$map->load;
1905	$map->load_diag;	2464	$map->load_neighbours;
1906		2465
1907	return unless $self->contr->active;	2466	return unless $self->contr->active;
1908	$self->activate_recursive;	2467	$self->activate_recursive;
1909		2468
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2470	$self->enter_map ($map, $x, $y);
1912	}	2471	}
1913		2472
1914	cf::player->attach (	2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2474
1918	# abort map switching before logout	2475	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2476	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2477	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2478	the new (success) or old (failed) map position. In either case, $done will
1922	};	2479	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2480
1928	# try to abort aborted map switching on player login :)
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945
1946	=item $player_object->goto ($path, $x, $y)
1947
1948	=cut	2481	=cut
		2482
		2483	our $GOTOGEN;
1949		2484
1950	sub cf::object::player::goto {	2485	sub cf::object::player::goto {
1951	my ($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;
1952		2490
1953	$self->enter_link;	2491	$self->enter_link;
1954		2492
1955	(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
1956	my $map = eval {	2515	my $map = eval {
1957	my $map = cf::map::find $path;	2516	my $map = defined $path ? cf::map::find $path : undef;
		2517
		2518	if ($map) {
1958	$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
1959	$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 $@;
1960	} or	2531	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2532
		2533	if ($gen == $self->{_goto_generation}) {
		2534	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2535	$self->leave_link ($map, $x, $y);
		2536	}
		2537
		2538	$done->() if $done;
1964	})->prio (1);	2539	})->prio (1);
1965	}	2540	}
1966		2541
1967	=item $player_object->enter_exit ($exit_object)	2542	=item $player_object->enter_exit ($exit_object)
1968		2543
…		…
2037	my $hp = $exit->stats->hp;	2612	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;	2613	my $sp = $exit->stats->sp;
2039		2614
2040	$self->enter_link;	2615	$self->enter_link;
2041		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
2042	(async {	2621	(async {
		2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2623
2043	$self->deactivate_recursive; # just to be sure	2624	$self->deactivate_recursive; # just to be sure
2044	unless (eval {	2625	unless (eval {
2045	$self->goto ($slaying, $hp, $sp);	2626	$self->goto ($slaying, $hp, $sp);
2046		2627
2047	1;	2628	1;
…		…
2073		2654
2074	utf8::encode $text;	2655	utf8::encode $text;
2075	$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);
2076	}	2657	}
2077		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
2078	=item $client->ext_event ($type, %msg)	2752	=item $client->ext_msg ($type, @msg)
2079		2753
2080	Sends an exti event to the client.	2754	Sends an ext event to the client.
2081		2755
2082	=cut	2756	=cut
2083		2757
2084	sub cf::client::ext_event($$%) {	2758	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2759	my ($self, $type, @msg) = @_;
2086		2760
		2761	if ($self->extcmd == 2) {
		2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2763	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2764	push @msg, msgtype => "event_$type";
2088	$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	}
2089	}	2785	}
2090		2786
2091	=item $success = $client->query ($flags, "text", \&cb)	2787	=item $success = $client->query ($flags, "text", \&cb)
2092		2788
2093	Queues a query to the client, calling the given callback with	2789	Queues a query to the client, calling the given callback with
2094	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>,
2095	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>.
2096		2792
2097	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
2098	reliable at some point in the future.	2794	become reliable at some point in the future.
2099		2795
2100	=cut	2796	=cut
2101		2797
2102	sub cf::client::query {	2798	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2799	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2807	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2808	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2809
2114	$self->send_packet ($self->{query_queue}[0][0])	2810	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2811	if @{ $self->{query_queue} } == 1;
		2812
		2813	1
2116	}	2814	}
2117		2815
2118	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	},
2119	on_reply => sub {	2822	on_reply => sub {
2120	my ($ns, $msg) = @_;	2823	my ($ns, $msg) = @_;
2121		2824
2122	# this weird shuffling is so that direct followup queries	2825	# this weird shuffling is so that direct followup queries
2123	# get handled first	2826	# get handled first
…		…
2135	} else {	2838	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2839	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2840	}
2138	}	2841	}
2139	},	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	},
2140	);	2869	);
2141		2870
2142	=item $client->async (\&cb)	2871	=item $client->async (\&cb)
2143		2872
2144	Create a new coroutine, running the specified callback. The coroutine will	2873	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	2914	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	2915	our $safe_hole = new Safe::Hole;
2187		2916
2188	$SIG{FPE} = 'IGNORE';	2917	$SIG{FPE} = 'IGNORE';
2189		2918
2190	$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	));
2191		2924
2192	# here we export the classes and methods available to script code	2925	# here we export the classes and methods available to script code
2193		2926
2194	=pod	2927	=pod
2195		2928
2196	The following functions and methods are available within a safe environment:	2929	The following functions and methods are available within a safe environment:
2197		2930
2198	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
2199	cf::object::player player	2935	cf::object::player
2200	cf::player peaceful	2936	player
2201	cf::map trigger	2937
		2938	cf::player
		2939	peaceful
		2940
		2941	cf::map
		2942	trigger
2202		2943
2203	=cut	2944	=cut
2204		2945
2205	for (	2946	for (
2206	["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)],
2207	["cf::object::player" => qw(player)],	2950	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	2951	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	2952	["cf::map" => qw(trigger)],
2210	) {	2953	) {
2211	no strict 'refs';	2954	no strict 'refs';
…		…
2282	=back	3025	=back
2283		3026
2284	=cut	3027	=cut
2285		3028
2286	#############################################################################	3029	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	3030	# the server's init and main functions
2462		3031
2463	sub load_facedata($) {	3032	sub load_facedata($) {
2464	my ($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;
2465		3040
2466	warn "loading facedata from $path\n";	3041	warn "loading facedata from $path\n";
2467		3042
2468	my $facedata;	3043	my $facedata;
2469	0 < aio_load $path, $facedata	3044	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	3047	$facedata = Coro::Storable::thaw $facedata;
2473		3048
2474	$facedata->{version} == 2	3049	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3050	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		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
2477	{	3059	{
2478	my $faces = $facedata->{faceinfo};	3060	my $faces = $facedata->{faceinfo};
2479		3061
2480	while (my ($face, $info) = each %$faces) {	3062	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3064	cf::face::set_visibility $idx, $info->{visibility};
		3065	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	3068
		3069	cf::cede_to_tick;
2486	}	3070	}
2487		3071
2488	while (my ($face, $info) = each %$faces) {	3072	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3073	next unless $info->{smooth};
2490	my $idx = cf::face::find $face	3074	my $idx = cf::face::find $face
2491	or next;	3075	or next;
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3076	if (my $smooth = cf::face::find $info->{smooth}) {
		3077	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3079	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3080	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3081	}
2497	Coro::cede;	3082
		3083	cf::cede_to_tick;
2498	}	3084	}
2499	}	3085	}
2500		3086
2501	{	3087	{
2502	my $anims = $facedata->{animinfo};	3088	my $anims = $facedata->{animinfo};
2503		3089
2504	while (my ($anim, $info) = each %$anims) {	3090	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3091	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3092	cf::cede_to_tick;
2507	}	3093	}
2508		3094
2509	cf::anim::invalidate_all; # d'oh	3095	cf::anim::invalidate_all; # d'oh
2510	}	3096	}
2511		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 => $face;
		3143	}
		3144	}
		3145	}
		3146
2512	1	3147	1
2513	}	3148	}
2514		3149
		3150	register_exticmd fx_want => sub {
		3151	my ($ns, $want) = @_;
		3152
		3153	while (my ($k, $v) = each %$want) {
		3154	$ns->fx_want ($k, $v);
		3155	}
		3156	};
		3157
2515	sub reload_regions {	3158	sub reload_regions {
		3159	# HACK to clear player env face cache, we need some signal framework
		3160	# for this (global event?)
		3161	%ext::player_env::MUSIC_FACE_CACHE = ();
		3162
2516	load_resource_file "$MAPDIR/regions"	3163	load_resource_file "$MAPDIR/regions"
2517	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 $_->{match};
		3169	}
2518	}	3170	}
2519		3171
2520	sub reload_facedata {	3172	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3173	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3174	or die "unable to load facedata\n";
2523	}	3175	}
2524		3176
2525	sub reload_archetypes {	3177	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	3178	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	3179	or die "unable to load archetypes\n";
		3180	#d# NEED to laod twice to resolve forward references
		3181	# this really needs to be done in an extra post-pass
		3182	# (which needs to be synchronous, so solve it differently)
		3183	load_resource_file "$DATADIR/archetypes"
		3184	or die "unable to load archetypes\n";
2528	}	3185	}
2529		3186
2530	sub reload_treasures {	3187	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3188	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3189	or die "unable to load treasurelists\n";
…		…
2535	sub reload_resources {	3192	sub reload_resources {
2536	warn "reloading resource files...\n";	3193	warn "reloading resource files...\n";
2537		3194
2538	reload_regions;	3195	reload_regions;
2539	reload_facedata;	3196	reload_facedata;
		3197	#reload_archetypes;#d#
2540	reload_archetypes;	3198	reload_archetypes;
2541	reload_treasures;	3199	reload_treasures;
2542		3200
2543	warn "finished reloading resource files\n";	3201	warn "finished reloading resource files\n";
2544	}	3202	}
2545		3203
2546	sub init {	3204	sub init {
2547	reload_resources;	3205	reload_resources;
2548	}	3206	}
2549		3207
2550	sub cfg_load {	3208	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3209	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3210	or return;
2553		3211
2554	local $/;	3212	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3213	*CFG = YAML::Syck::Load <$fh>;
…		…
2571	sub main {	3229	sub main {
2572	# we must not ever block the main coroutine	3230	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3231	local $Coro::idle = sub {
2574	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#
2575	(async {	3233	(async {
		3234	$Coro::current->{desc} = "IDLE BUG HANDLER";
2576	Event::one_event;	3235	Event::one_event;
2577	})->prio (Coro::PRIO_MAX);	3236	})->prio (Coro::PRIO_MAX);
2578	};	3237	};
2579		3238
2580	cfg_load;	3239	reload_config;
2581	db_init;	3240	db_init;
2582	load_extensions;	3241	load_extensions;
2583		3242
2584	$TICK_WATCHER->start;	3243	$TICK_WATCHER->start;
2585	Event::loop;	3244	Event::loop;
…		…
2601	},	3260	},
2602	);	3261	);
2603	}	3262	}
2604	}	3263	}
2605		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
2606	sub emergency_save() {	3303	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3304	my $freeze_guard = cf::freeze_mainloop;
2608		3305
2609	warn "enter emergency perl save\n";	3306	warn "enter emergency perl save\n";
2610		3307
…		…
2614	# and maps saved/destroyed asynchronously.	3311	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3312	warn "begin emergency player save\n";
2616	for my $login (keys %cf::PLAYER) {	3313	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3314	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3315	$pl->valid or next;
		3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3317	$pl->save;
2620	}	3318	}
2621	warn "end emergency player save\n";	3319	warn "end emergency player save\n";
2622		3320
2623	warn "begin emergency map save\n";	3321	warn "begin emergency map save\n";
…		…
2685	%EXT_CORO = ();	3383	%EXT_CORO = ();
2686		3384
2687	warn "removing commands";	3385	warn "removing commands";
2688	%COMMAND = ();	3386	%COMMAND = ();
2689		3387
2690	warn "removing ext commands";	3388	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3389	%EXTCMD = ();
		3390	%EXTICMD = ();
2692		3391
2693	warn "unloading/nuking all extensions";	3392	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3393	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3394	warn "... unloading $pkg";
2696		3395
…		…
2739	warn "reloading cf.pm";	3438	warn "reloading cf.pm";
2740	require cf;	3439	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3441
2743	warn "loading config and database again";	3442	warn "loading config and database again";
2744	cf::cfg_load;	3443	cf::reload_config;
2745		3444
2746	warn "loading extensions";	3445	warn "loading extensions";
2747	cf::load_extensions;	3446	cf::load_extensions;
2748		3447
2749	warn "reattaching attachments to objects/players";	3448	warn "reattaching attachments to objects/players";
…		…
2785	register_command "reload" => sub {	3484	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3485	my ($who, $arg) = @_;
2787		3486
2788	if ($who->flag (FLAG_WIZ)) {	3487	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3488	$who->message ("reloading server.");
		3489	async {
		3490	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3491	reload_perl;
		3492	};
2791	}	3493	}
2792	};	3494	};
2793		3495
2794	unshift @INC, $LIBDIR;	3496	unshift @INC, $LIBDIR;
2795		3497
…		…
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3530	unless ++$bug_warning > 10;
2829	return;	3531	return;
2830	}	3532	}
2831		3533
2832	$NOW = Event::time;	3534	$NOW = $tick_start = Event::time;
2833		3535
2834	cf::server_tick; # one server iteration	3536	cf::server_tick; # one server iteration
2835		3537
2836	$RUNTIME += $TICK;	3538	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;	3539	$NEXT_TICK += $TICK;
2838		3540
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	3542	$NEXT_RUNTIME_WRITE = $NOW + 10;
2841	Coro::async_pool {	3543	Coro::async_pool {
		3544	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	3545	write_runtime
2843	or warn "ERROR: unable to write runtime file: $!";	3546	or warn "ERROR: unable to write runtime file: $!";
2844	};	3547	};
2845	}	3548	}
2846		3549
2847	# my $AFTER = Event::time;	3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2848	# 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;
2849		3558
2850	# 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
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2852		3561
2853	$TICK_WATCHER->at ($NEXT_TICK);	3562	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;	3563	$TICK_WATCHER->start;
2855		3564
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3565	$LOAD = ($NOW - $tick_start) / $TICK;
2857	$sig->send;	3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2858	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;
2861	}
2862		3567
2863	_post_tick;	3568	_post_tick;
2864	},	3569	},
2865	);	3570	);
2866		3571
2867	{	3572	{
		3573	BDB::min_parallel 8;
2868	BDB::max_poll_time $TICK * 0.1;	3574	BDB::max_poll_time $TICK * 0.1;
2869	$BDB_POLL_WATCHER = Event->io (	3575	$BDB_POLL_WATCHER = Event->io (
2870	reentrant => 0,	3576	reentrant => 0,
2871	fd => BDB::poll_fileno,	3577	fd => BDB::poll_fileno,
2872	poll => 'r',	3578	poll => 'r',
2873	prio => 0,	3579	prio => 0,
2874	data => WF_AUTOCANCEL,	3580	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,	3581	cb => \&BDB::poll_cb,
2876	);	3582	);
2877	BDB::min_parallel 8;
2878		3583
2879	BDB::set_sync_prepare {	3584	BDB::set_sync_prepare {
2880	my $status;	3585	my $status;
2881	my $current = $Coro::current;	3586	my $current = $Coro::current;
2882	(	3587	(
…		…
2891	)	3596	)
2892	};	3597	};
2893		3598
2894	unless ($DB_ENV) {	3599	unless ($DB_ENV) {
2895	$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);
2896		3605
2897	cf::sync_job {	3606	cf::sync_job {
2898	eval {	3607	eval {
2899	BDB::db_env_open	3608	BDB::db_env_open
2900	$DB_ENV,	3609	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3611	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3612	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	3613	0666;
2905		3614
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3615	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	3616	};
2911		3617
2912	cf::cleanup "db_env_open(db): $@" if $@;	3618	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	3619	};
2914	}	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	);
2915	}	3652	}
2916		3653
2917	{	3654	{
2918	IO::AIO::min_parallel 8;	3655	IO::AIO::min_parallel 8;
2919		3656
…		…
2922	$AIO_POLL_WATCHER = Event->io (	3659	$AIO_POLL_WATCHER = Event->io (
2923	reentrant => 0,	3660	reentrant => 0,
2924	data => WF_AUTOCANCEL,	3661	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,	3662	fd => IO::AIO::poll_fileno,
2926	poll => 'r',	3663	poll => 'r',
2927	prio => 6,	3664	prio => 0,
2928	cb => \&IO::AIO::poll_cb,	3665	cb => \&IO::AIO::poll_cb,
2929	);	3666	);
2930	}	3667	}
2931		3668
2932	my $_log_backtrace;	3669	my $_log_backtrace;
…		…
2938		3675
2939	# limit the # of concurrent backtraces	3676	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	3677	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	3678	++$_log_backtrace;
2942	async {	3679	async {
		3680	$Coro::current->{desc} = "abt $msg";
		3681
2943	my @bt = fork_call {	3682	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	3683	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3684	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3685	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	3686	or die "addr2line: $!";

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