ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.388 by root, Thu Oct 18 02:56:13 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;
10	use Event;	9	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
94		105
95	binmode STDOUT;	106	binmode STDOUT;
96	binmode STDERR;	107	binmode STDERR;
97		108
98	# read virtual server time, if available	109	# read virtual server time, if available
…		…
139		150
140	=item $cf::TICK	151	=item $cf::TICK
141		152
142	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
143		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
144	=item %cf::CFG	165	=item %cf::CFG
145		166
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	168	from wherever your confdir points to.
148		169
…		…
150		171
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
155	=back	182	=back
156		183
157	=cut	184	=cut
158		185
159	BEGIN {	186	BEGIN {
…		…
163	$msg .= "\n"	190	$msg .= "\n"
164	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
165		192
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		194
168	utf8::encode $msg;
169	LOG llevError, $msg;	195	LOG llevError, $msg;
170	};	196	};
171	}	197	}
172		198
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		206
180	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	208	# within the Safe compartment.
182	for my $pkg (qw(	209	for my $pkg (qw(
183	cf::global cf::attachable	210	cf::global cf::attachable
…		…
191	}	218	}
192		219
193	$Event::DIED = sub {	220	$Event::DIED = sub {
194	warn "error in event callback: @_";	221	warn "error in event callback: @_";
195	};	222	};
		223
		224	#############################################################################
196		225
197	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
198		227
199	=over 4	228	=over 4
200		229
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	249	$d
221	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
222	}	251	}
223		252
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
227		254
228	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
229		256
230	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
231		258
232	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
233		267
234	=item cf::lock_wait $string	268	=item cf::lock_wait $string
235		269
236	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
237		271
…		…
240	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
243	returned.	277	returned.
244		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
245	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
247		284
248	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
249		286
250	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
251		288
252	=cut	289	=cut
253		290
254	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
255		293
256	sub lock_wait($) {	294	sub lock_wait($) {
257	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
258		301
259	# wait for lock, if any	302	# wait for lock, if any
260	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	305	Coro::schedule;
…		…
268		311
269	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
270	lock_wait $key;	313	lock_wait $key;
271		314
272	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
273		317
274	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
277	}	322	}
278	}	323	}
279		324
…		…
291	};	336	};
292	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
293	$guard	338	$guard
294	}	339	}
295		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
296	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
297		400
298	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
303		406
304	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
305		408
306	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
307		410
308	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
311		415
312	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
315	fast or be very important.	419	fast or be very important.
…		…
318		422
319	sub sync_job(&) {	423	sub sync_job(&) {
320	my ($job) = @_;	424	my ($job) = @_;
321		425
322	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
323	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
325		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
326	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	435	# (but this is cancel-safe)
328	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
329		437
330	my $busy = 1;	438	my $busy = 1;
331	my @res;	439	my @res;
332		440
333	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	443	@res = eval { $job->() };
335	warn $@ if $@;	444	warn $@ if $@;
336	undef $busy;	445	undef $busy;
337	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
338		447
339	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
340	Coro::cede or Event::one_event;	452	Event::one_event;
341	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
342		462
343	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
344	} else {	464	} else {
345	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
346		466
…		…
366	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
367		487
368	$coro	488	$coro
369	}	489	}
370		490
371	sub write_runtime {	491	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		492
374	my $runtime = "$LOCALDIR/runtime";	493	Executes the given code block with the given arguments in a seperate
		494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
375		497
376	warn "starting to write runtime...\n";#d#	498	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		499
380	my $value = $cf::RUNTIME + 90 + 10;	500	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	501	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		502
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	# we seemingly have to make a local copy of the whole thing,
385	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
386		506
387	# always fsync - this file is important	507	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	508	reset_signals;
389	and return;	509	&$cb
		510	}, @args;
390		511
391	close $fh	512	wantarray ? @res : $res[-1]
392	or return;	513	}
393		514
394	aio_rename "$runtime~", $runtime	515	=item $value = cf::db_get $family => $key
395	and return;
396		516
397	warn "... done writing runtime.\n";#d#	517	Returns a single value from the environment database.
398		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
399	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
400	}	640	}
401		641
402	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
403		643
404	Log a datalog packet of the given type with the given key-value pairs.	644	Log a datalog packet of the given type with the given key-value pairs.
…		…
422	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
423	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
424		664
425	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
426	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
427	crossfire+).	667	Crossfire TRT).
428		668
429	=over 4	669	=over 4
430		670
431	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
432		672
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
596		836
597	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		841
602	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	843	my $pkg = shift @arg;
604		844
605	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
635	}	875	}
636		876
637	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
638	} else {	878	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	880	}
641		881
642	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
643	}	883	}
644		884
…		…
646	if (ref $_[0]) {	886	if (ref $_[0]) {
647	_object_attach @_;	887	_object_attach @_;
648	} else {	888	} else {
649	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
650	}	890	}
		891	_recalc_want;
651	};	892	};
652		893
653	# all those should be optimised	894	# all those should be optimised
654	sub cf::attachable::detach {	895	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
659	reattach ($obj);	900	reattach ($obj);
660	} else {	901	} else {
661	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
662	}	903	}
		904	_recalc_want;
663	};	905	};
664		906
665	sub cf::attachable::attached {	907	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
667		909
…		…
682	";	924	";
683	die if $@;	925	die if $@;
684	}	926	}
685		927
686	our $override;	928	our $override;
687	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688		930
689	sub override {	931	sub override {
690	$override = 1;	932	$override = 1;
691	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
692	}	934	}
693		935
694	sub do_invoke {	936	sub do_invoke {
695	my $event = shift;	937	my $event = shift;
696	my $callbacks = shift;	938	my $callbacks = shift;
697		939
698	@invoke_results = ();	940	@INVOKE_RESULTS = ();
699		941
700	local $override;	942	local $override;
701		943
702	for (@$callbacks) {	944	for (@$callbacks) {
703	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
720		962
721	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
722		964
723	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
724	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
725	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		968
727	=back	969	=back
728		970
729	=cut	971	=cut
730		972
731	#############################################################################	973	#############################################################################
732	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
733		1017
734	sub reattach {	1018	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1020	my ($obj) = @_;
737		1021
…		…
784	sub object_freezer_save {	1068	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
786		1070
787	sync_job {	1071	sync_job {
788	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
791		1076
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
796	close $fh;	1081	close $fh;
797		1082
798	if (@$objs) {	1083	if (@$objs) {
799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
800	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
803	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
804	close $fh;	1089	close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
806	}	1091	}
…		…
814	}	1099	}
815	} else {	1100	} else {
816	aio_unlink $filename;	1101	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
818	}	1103	}
819	}	1104	};
820	}	1105	}
821		1106
822	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
824		1109
…		…
836	or return;	1121	or return;
837		1122
838	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
840	or return;	1125	or return;
		1126
841	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
842	}	1129	}
843		1130
		1131	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
846	return ($data, $av);	1135	($data, $av)
847	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
848		1143
849	#############################################################################	1144	#############################################################################
850	# command handling &c	1145	# command handling &c
851		1146
852	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1161	}
867		1162
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1164
870	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
871		1170
872	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
873	called.	1172	called.
874		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
875	=cut	1185	=cut
876		1186
877	sub register_extcmd {	1187	sub register_extcmd {
878	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
879		1189
880	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
881	}	1197	}
882		1198
883	cf::player->attach (	1199	cf::player->attach (
884	on_command => sub {	1200	on_command => sub {
885	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
894	cf::override;	1210	cf::override;
895	},	1211	},
896	on_extcmd => sub {	1212	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
898		1214
899	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1216
901	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
907	} else {	1232	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1234	}
910		1235
911	cf::override;	1236	cf::override;
912	},	1237	},
913	);	1238	);
914		1239
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 {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
950	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1245	next unless -r $path;
952	eval {	1246
953	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
954	1	1304	}
955	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
956	}	1310	};
957	}	1311	}
958		1312
959	#############################################################################	1313	#############################################################################
960		1314
		1315	=back
		1316
961	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
962		1318
963	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
964		1320
965	=cut	1321	=cut
…		…
969	use Coro::AIO;	1325	use Coro::AIO;
970		1326
971	=head3 cf::player	1327	=head3 cf::player
972		1328
973	=over 4	1329	=over 4
		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
974		1344
975	=item cf::player::find $login	1345	=item cf::player::find $login
976		1346
977	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
978		1348
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1387	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1388
1019	my $pl = load_pl path $login	1389	my $f = new_from_file cf::object::thawer path $login
1020	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1022	}	1397	}
1023	}	1398	}
1024	}	1399	}
1025		1400
…		…
1035		1410
1036	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1038		1413
1039	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1040	Coro::cede;	1415	cf::cede_to_tick;
1041	}	1416	}
1042		1417
1043	sub new($) {	1418	sub new($) {
1044	my ($login) = @_;	1419	my ($login) = @_;
1045		1420
…		…
1049	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1050		1425
1051	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1052		1427
1053	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1054	}	1439	}
1055		1440
1056	=item $pl->quit_character	1441	=item $pl->quit_character
1057		1442
1058	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1113	or return [];	1498	or return [];
1114		1499
1115	my @logins;	1500	my @logins;
1116		1501
1117	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1121		1511
1122	utf8::decode $login;	1512	utf8::decode $login;
1123	push @logins, $login;	1513	push @logins, $login;
1124	}	1514	}
1125		1515
…		…
1152	}	1542	}
1153		1543
1154	\@paths	1544	\@paths
1155	}	1545	}
1156		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1157	=item $player->ext_reply ($msgid, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1158		1599
1159	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1160		1601
1161	=cut	1602	=cut
1162		1603
1163	sub ext_reply($$%) {	1604	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1165		1606
1166	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1608	}
1170		1609
1171	=item $player->ext_event ($type, %msg)	1610	=item $player->ext_msg ($type, @msg)
1172		1611
1173	Sends an ext event to the client.	1612	Sends an ext event to the client.
1174		1613
1175	=cut	1614	=cut
1176		1615
1177	sub ext_event($$%) {	1616	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1617	my ($self, $type, @msg) = @_;
1179		1618
1180	$self->ns->ext_event ($type, %msg);	1619	$self->ns->ext_msg ($type, @msg);
1181	}	1620	}
1182		1621
1183	=head3 cf::region	1622	=head3 cf::region
1184		1623
1185	=over 4	1624	=over 4
…		…
1188		1627
1189	package cf::region;	1628	package cf::region;
1190		1629
1191	=item cf::region::find_by_path $path	1630	=item cf::region::find_by_path $path
1192		1631
1193	Tries to decuce the probable region for a map knowing only its path.	1632	Tries to decuce the likely region for a map knowing only its path.
1194		1633
1195	=cut	1634	=cut
1196		1635
1197	sub find_by_path($) {	1636	sub find_by_path($) {
1198	my ($path) = @_;	1637	my ($path) = @_;
1199		1638
1200	my ($match, $specificity);	1639	my ($match, $specificity);
1201		1640
1202	for my $region (list) {	1641	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1642	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1643	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1644	if $region->specificity > $specificity;
1206	}	1645	}
1207	}	1646	}
1208		1647
…		…
1272	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1273		1712
1274	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1275	local $self->{path};	1714	local $self->{path};
1276	local $self->{load_path};	1715	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1716
1280	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1281	}	1718	}
1282		1719
1283	sub normalise {	1720	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1331	return $self;	1768	return $self;
1332	}	1769	}
1333	}	1770	}
1334		1771
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1773	()
1337	}	1774	}
1338		1775
1339	sub init {	1776	sub init {
1340	my ($self) = @_;	1777	my ($self) = @_;
…		…
1383		1820
1384	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1386	}	1823	}
1387		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1388	sub unlink_save {	1833	sub unlink_save {
1389	my ($self) = @_;	1834	my ($self) = @_;
1390		1835
1391	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1395		1840
1396	sub load_header_from($) {	1841	sub load_header_from($) {
1397	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1398		1843
1399	utf8::encode $path;	1844	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1405		1853
1406	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1407		1855
1408	1	1856	1
1409	}	1857	}
…		…
1448	$self->load_header_orig	1896	$self->load_header_orig
1449	or return;	1897	or return;
1450	$self->prepare_orig;	1898	$self->prepare_orig;
1451	}	1899	}
1452		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
1453	$self->default_region (cf::region::find_by_path $self->{path})	1904	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1905	unless $self->default_region;
1455		1906
1456	1	1907	1
1457	}	1908	}
…		…
1460	sub find {	1911	sub find {
1461	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1462		1913
1463	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1464		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1466		1918
1467	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1469	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1470	or return;	1924	or return;
1471		1925
1472	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1473		1927
1474	$map->load_header	1928	$map->load_header
1475	or return;	1929	or return;
1476		1930
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1480	$map->reset;	1936	$map->reset;
1481	undef $guard;
1482	return find $path;	1937	return find $path;
1483	}	1938	}
1484		1939
1485	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1486	}	1941	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1496		1951
1497	my $path = $self->{path};	1952	my $path = $self->{path};
1498		1953
1499	{	1954	{
1500	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1501		1956
		1957	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		1959
1504	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1505		1961
1506	$self->alloc;	1962	$self->alloc;
1507		1963
1508	$self->pre_load;	1964	$self->pre_load;
1509	Coro::cede;	1965	cf::cede_to_tick;
1510		1966
		1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	1969	$self->_load_objects ($f)
1512	or return;	1970	or return;
1513		1971
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515	if delete $self->{load_original};	1973	if delete $self->{load_original};
1516		1974
1517	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	1976	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	1979	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1522	}	1983	}
1523	}	1984	}
1524		1985
1525	Coro::cede;	1986	$f->resolve_delayed_derefs;
		1987
		1988	cf::cede_to_tick;
1526	# now do the right thing for maps	1989	# now do the right thing for maps
1527	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	1992	unless $self->difficulty;
1530	Coro::cede;	1993	cf::cede_to_tick;
1531		1994
1532	unless ($self->{deny_activate}) {	1995	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	1996	$self->decay_objects;
1534	$self->fix_auto_apply;	1997	$self->fix_auto_apply;
1535	$self->update_buttons;	1998	$self->update_buttons;
1536	Coro::cede;	1999	cf::cede_to_tick;
1537	$self->set_darkness_map;	2000	$self->set_darkness_map;
1538	Coro::cede;	2001	cf::cede_to_tick;
1539	$self->activate;	2002	$self->activate;
1540	}	2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
1541		2007
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2008	$self->in_memory (cf::MAP_IN_MEMORY);
1543	}	2009	}
1544		2010
1545	$self->post_load;	2011	$self->post_load;
…		…
1549	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1550		2016
1551	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2018	if $self->per_player;
1553		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1554	$self	2023	$self
1555	}	2024	}
1556		2025
1557	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2027	sub load_neighbours {
1559	my ($map) = @_;	2028	my ($map) = @_;
1560		2029
1561	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1562		2031
1563	for (0 .. 3) {	2032	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1565	or next;	2034	or next;
1566	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1567	or next;	2036	or next;
1568	$neigh->load;	2037	$neigh->load;
1569		2038
		2039	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2042	}
1573		2043
1574	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1576	or next;	2047	or next;
1577	$neigh->load;	2048	$neigh->load;
1578	}	2049	}
1579	}	2050	}
1580		2051
…		…
1585	}	2056	}
1586		2057
1587	sub do_load_sync {	2058	sub do_load_sync {
1588	my ($map) = @_;	2059	my ($map) = @_;
1589		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1590	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1591	}	2065	}
1592		2066
1593	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1595		2069
1596	sub find_async {	2070	sub find_async {
1597	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1598		2072
1599	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1600		2074
1601	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1603	}	2077	}
1604		2078
1605	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1606	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1607	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2086	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2087	$map->load if $v;
		2088	}
1612		2089
1613	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1614	}	2091	}
1615	}	2092	}
1616	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1617	};	2094	};
1618	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2098	}
1622		2099
1623	sub save {	2100	sub save {
1624	my ($self) = @_;	2101	my ($self) = @_;
1625		2102
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2104
1628	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1629		2106
1630	return unless $self->dirty;	2107	return unless $self->dirty;
1631		2108
…		…
1637	return if $self->{deny_save};	2114	return if $self->{deny_save};
1638		2115
1639	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1640		2117
1641	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1643	};	2121	};
1644		2122
1645	if ($uniq) {	2123	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1654	my ($self) = @_;	2132	my ($self) = @_;
1655		2133
1656	# save first because save cedes	2134	# save first because save cedes
1657	$self->save;	2135	$self->save;
1658		2136
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2138
1661	return if $self->players;	2139	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};	2141	return if $self->{deny_save};
1664		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2147	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2148	}
1668		2149
1669	sub reset_at {	2150	sub reset_at {
1670	my ($self) = @_;	2151	my ($self) = @_;
1671		2152
1672	# TODO: safety, remove and allow resettable per-player maps	2153	# 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};	2154	return 1e99 if $self->{deny_reset};
1675		2155
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2158
…		…
1689	my ($self) = @_;	2169	my ($self) = @_;
1690		2170
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2172
1693	return if $self->players;	2173	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2174
1696	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
1697		2176
1698	$self->in_memory (cf::MAP_SWAPPED);	2177	$self->in_memory (cf::MAP_SWAPPED);
1699		2178
1700	# need to save uniques path	2179	# need to save uniques path
1701	unless ($self->{deny_save}) {	2180	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2184	if $uniq;
1706	}	2185	}
1707		2186
1708	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1709		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2191	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2192
1714	$self->unlink_save;	2193	$self->unlink_save;
1715	$self->destroy;	2194	$self->destroy;
1716	}	2195	}
1717		2196
1718	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1719		2198
1720	sub nuke {	2199	sub nuke {
1721	my ($self) = @_;	2200	my ($self) = @_;
1722		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1723	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1724		2206
1725	$self->unlink_save;	2207	$self->unlink_save;
1726		2208
1727	bless $self, "cf::map";	2209	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2214
1733	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1734		2217
1735	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1736	}	2255	}
1737		2256
1738	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1739		2258
1740	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2260	instantiated unique items. May block.
1742		2261
1743	=cut	2262	=cut
1744		2263
1745	sub unique_maps() {	2264	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2265	[
1747	or return;	2266	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2267	utf8::decode $_;
1753	next if /\.pst$/;	2268	/\.map$/
1754	next unless /^$PATH_SEP/o;	2269	? normalise $_
1755		2270	: ()
1756	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2272	]
1758
1759	\@paths
1760	}	2273	}
1761		2274
1762	package cf;	2275	package cf;
1763		2276
1764	=back	2277	=back
…		…
1782	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1783	}	2296	}
1784		2297
1785	sub inv_recursive {	2298	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1787	}	2328	}
1788		2329
1789	package cf;	2330	package cf;
1790		2331
1791	=back	2332	=back
…		…
1810		2351
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2353
1813	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1815	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1818	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1819	}	2379	}
1820		2380
1821	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1822		2382
1823	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1870	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1871		2431
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2433
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1876		2436
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2438	}
1879		2439
1880	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1882		2444
1883	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1884		2446
1885	unless ($map) {	2447	unless ($map) {
1886	# restore original map position	2448	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1903		2465
1904	$map->load;	2466	$map->load;
1905	$map->load_diag;	2467	$map->load_neighbours;
1906		2468
1907	return unless $self->contr->active;	2469	return unless $self->contr->active;
1908	$self->activate_recursive;	2470	$self->activate_recursive;
1909		2471
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1912	}	2474	}
1913		2475
1914	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2477
1918	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1922	};	2482	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2483
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	2484	=cut
		2485
		2486	our $GOTOGEN;
1949		2487
1950	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2493
1953	$self->enter_link;	2494	$self->enter_link;
1954		2495
1955	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1956	my $map = eval {	2518	my $map = eval {
1957	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1959	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2534	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1964	})->prio (1);	2542	})->prio (1);
1965	}	2543	}
1966		2544
1967	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1968		2546
…		…
2037	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
2039		2617
2040	$self->enter_link;	2618	$self->enter_link;
2041		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
2042	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
2043	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
2044	unless (eval {	2628	unless (eval {
2045	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
2046		2630
2047	1;	2631	1;
…		…
2073		2657
2074	utf8::encode $text;	2658	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2660	}
2077		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/lookat" => {
		2685	id => "infobox",
		2686	title => "Look",
		2687	reply => undef,
		2688	tooltip => "What you saw there",
		2689	},
		2690	);
		2691
		2692	sub cf::client::send_msg {
		2693	my ($self, $channel, $msg, $color, @extra) = @_;
		2694
		2695	$msg = $self->pl->expand_cfpod ($msg);
		2696
		2697	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2698
		2699	# check predefined channels, for the benefit of C
		2700	if ($CHANNEL{$channel}) {
		2701	$channel = $CHANNEL{$channel};
		2702
		2703	$self->ext_msg (channel_info => $channel)
		2704	if $self->can_msg;
		2705
		2706	$channel = $channel->{id};
		2707
		2708	} elsif (ref $channel) {
		2709	# send meta info to client, if not yet sent
		2710	unless (exists $self->{channel}{$channel->{id}}) {
		2711	$self->{channel}{$channel->{id}} = $channel;
		2712	$self->ext_msg (channel_info => $channel)
		2713	if $self->can_msg;
		2714	}
		2715
		2716	$channel = $channel->{id};
		2717	}
		2718
		2719	return unless @extra || length $msg;
		2720
		2721	if ($self->can_msg) {
		2722	# default colour, mask it out
		2723	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2724	if $color & cf::NDI_DEF;
		2725
		2726	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2727	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2728	} else {
		2729	if ($color >= 0) {
		2730	# replace some tags by gcfclient-compatible ones
		2731	for ($msg) {
		2732	1 while
		2733	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2734	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2735	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2736	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2737	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2738	}
		2739
		2740	$color &= cf::NDI_COLOR_MASK;
		2741
		2742	utf8::encode $msg;
		2743
		2744	if (0 && $msg =~ /\[/) {
		2745	# COMMAND/INFO
		2746	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2747	} else {
		2748	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2749	$self->send_packet ("drawinfo $color $msg")
		2750	}
		2751	}
		2752	}
		2753	}
		2754
2078	=item $client->ext_event ($type, %msg)	2755	=item $client->ext_msg ($type, @msg)
2079		2756
2080	Sends an exti event to the client.	2757	Sends an ext event to the client.
2081		2758
2082	=cut	2759	=cut
2083		2760
2084	sub cf::client::ext_event($$%) {	2761	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2762	my ($self, $type, @msg) = @_;
2086		2763
		2764	if ($self->extcmd == 2) {
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2766	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2767	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2768	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2769	}
		2770	}
		2771
		2772	=item $client->ext_reply ($msgid, @msg)
		2773
		2774	Sends an ext reply to the client.
		2775
		2776	=cut
		2777
		2778	sub cf::client::ext_reply($$@) {
		2779	my ($self, $id, @msg) = @_;
		2780
		2781	if ($self->extcmd == 2) {
		2782	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2783	} elsif ($self->extcmd == 1) {
		2784	#TODO: version 1, remove
		2785	unshift @msg, msgtype => "reply", msgid => $id;
		2786	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2787	}
2089	}	2788	}
2090		2789
2091	=item $success = $client->query ($flags, "text", \&cb)	2790	=item $success = $client->query ($flags, "text", \&cb)
2092		2791
2093	Queues a query to the client, calling the given callback with	2792	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>,	2793	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>.	2794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2795
2097	Queries can fail, so check the return code. Or don't, as queries will become	2796	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2797	become reliable at some point in the future.
2099		2798
2100	=cut	2799	=cut
2101		2800
2102	sub cf::client::query {	2801	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2802	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2810	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2812
2114	$self->send_packet ($self->{query_queue}[0][0])	2813	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2814	if @{ $self->{query_queue} } == 1;
		2815
		2816	1
2116	}	2817	}
2117		2818
2118	cf::client->attach (	2819	cf::client->attach (
		2820	on_connect => sub {
		2821	my ($ns) = @_;
		2822
		2823	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2824	},
2119	on_reply => sub {	2825	on_reply => sub {
2120	my ($ns, $msg) = @_;	2826	my ($ns, $msg) = @_;
2121		2827
2122	# this weird shuffling is so that direct followup queries	2828	# this weird shuffling is so that direct followup queries
2123	# get handled first	2829	# get handled first
…		…
2135	} else {	2841	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2842	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2843	}
2138	}	2844	}
2139	},	2845	},
		2846	on_exticmd => sub {
		2847	my ($ns, $buf) = @_;
		2848
		2849	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2850
		2851	if (ref $msg) {
		2852	my ($type, $reply, @payload) =
		2853	"ARRAY" eq ref $msg
		2854	? @$msg
		2855	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2856
		2857	my @reply;
		2858
		2859	if (my $cb = $EXTICMD{$type}) {
		2860	@reply = $cb->($ns, @payload);
		2861	}
		2862
		2863	$ns->ext_reply ($reply, @reply)
		2864	if $reply;
		2865
		2866	} else {
		2867	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2868	}
		2869
		2870	cf::override;
		2871	},
2140	);	2872	);
2141		2873
2142	=item $client->async (\&cb)	2874	=item $client->async (\&cb)
2143		2875
2144	Create a new coroutine, running the specified callback. The coroutine will	2876	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	2917	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	2918	our $safe_hole = new Safe::Hole;
2187		2919
2188	$SIG{FPE} = 'IGNORE';	2920	$SIG{FPE} = 'IGNORE';
2189		2921
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2922	$safe->permit_only (Opcode::opset qw(
		2923	:base_core :base_mem :base_orig :base_math
		2924	grepstart grepwhile mapstart mapwhile
		2925	sort time
		2926	));
2191		2927
2192	# here we export the classes and methods available to script code	2928	# here we export the classes and methods available to script code
2193		2929
2194	=pod	2930	=pod
2195		2931
2196	The following functions and methods are available within a safe environment:	2932	The following functions and methods are available within a safe environment:
2197		2933
2198	cf::object contr pay_amount pay_player map	2934	cf::object
		2935	contr pay_amount pay_player map x y force_find force_add destroy
		2936	insert remove name archname title slaying race decrease_ob_nr
		2937
2199	cf::object::player player	2938	cf::object::player
2200	cf::player peaceful	2939	player
2201	cf::map trigger	2940
		2941	cf::player
		2942	peaceful
		2943
		2944	cf::map
		2945	trigger
2202		2946
2203	=cut	2947	=cut
2204		2948
2205	for (	2949	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	2950	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2951	insert remove inv name archname title slaying race
		2952	decrease_ob_nr destroy)],
2207	["cf::object::player" => qw(player)],	2953	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	2954	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	2955	["cf::map" => qw(trigger)],
2210	) {	2956	) {
2211	no strict 'refs';	2957	no strict 'refs';
…		…
2282	=back	3028	=back
2283		3029
2284	=cut	3030	=cut
2285		3031
2286	#############################################################################	3032	#############################################################################
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 $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	3033	# the server's init and main functions
2462		3034
2463	sub load_facedata($) {	3035	sub load_facedata($) {
2464	my ($path) = @_;	3036	my ($path) = @_;
		3037
		3038	# HACK to clear player env face cache, we need some signal framework
		3039	# for this (global event?)
		3040	%ext::player_env::MUSIC_FACE_CACHE = ();
		3041
		3042	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		3043
2466	warn "loading facedata from $path\n";	3044	warn "loading facedata from $path\n";
2467		3045
2468	my $facedata;	3046	my $facedata;
2469	0 < aio_load $path, $facedata	3047	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	3050	$facedata = Coro::Storable::thaw $facedata;
2473		3051
2474	$facedata->{version} == 2	3052	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3053	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		3054
		3055	# patch in the exptable
		3056	$facedata->{resource}{"res/exp_table"} = {
		3057	type => FT_RSRC,
		3058	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3059	};
		3060	cf::cede_to_tick;
		3061
2477	{	3062	{
2478	my $faces = $facedata->{faceinfo};	3063	my $faces = $facedata->{faceinfo};
2479		3064
2480	while (my ($face, $info) = each %$faces) {	3065	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3066	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3067	cf::face::set_visibility $idx, $info->{visibility};
		3068	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3069	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3070	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	3071
		3072	cf::cede_to_tick;
2486	}	3073	}
2487		3074
2488	while (my ($face, $info) = each %$faces) {	3075	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3076	next unless $info->{smooth};
2490	my $idx = cf::face::find $face	3077	my $idx = cf::face::find $face
2491	or next;	3078	or next;
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3079	if (my $smooth = cf::face::find $info->{smooth}) {
		3080	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3081	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3082	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3083	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3084	}
2497	Coro::cede;	3085
		3086	cf::cede_to_tick;
2498	}	3087	}
2499	}	3088	}
2500		3089
2501	{	3090	{
2502	my $anims = $facedata->{animinfo};	3091	my $anims = $facedata->{animinfo};
2503		3092
2504	while (my ($anim, $info) = each %$anims) {	3093	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3094	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3095	cf::cede_to_tick;
2507	}	3096	}
2508		3097
2509	cf::anim::invalidate_all; # d'oh	3098	cf::anim::invalidate_all; # d'oh
2510	}	3099	}
2511		3100
		3101	{
		3102	# TODO: for gcfclient pleasure, we should give resources
		3103	# that gcfclient doesn't grok a >10000 face index.
		3104	my $res = $facedata->{resource};
		3105
		3106	my $soundconf = delete $res->{"res/sound.conf"};
		3107
		3108	while (my ($name, $info) = each %$res) {
		3109	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3110	my $data;
		3111
		3112	if ($info->{type} & 1) {
		3113	# prepend meta info
		3114
		3115	my $meta = $enc->encode ({
		3116	name => $name,
		3117	%{ $info->{meta} || {} },
		3118	});
		3119
		3120	$data = pack "(w/a*)*", $meta, $info->{data};
		3121	} else {
		3122	$data = $info->{data};
		3123	}
		3124
		3125	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3126	cf::face::set_type $idx, $info->{type};
		3127
		3128	cf::cede_to_tick;
		3129	}
		3130
		3131	if ($soundconf) {
		3132	$soundconf = $enc->decode (delete $soundconf->{data});
		3133
		3134	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3135	my $sound = $soundconf->{compat}[$_]
		3136	or next;
		3137
		3138	my $face = cf::face::find "sound/$sound->[1]";
		3139	cf::sound::set $sound->[0] => $face;
		3140	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3141	}
		3142
		3143	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3144	my $face = cf::face::find "sound/$v";
		3145	cf::sound::set $k => $face;
		3146	}
		3147	}
		3148	}
		3149
2512	1	3150	1
2513	}	3151	}
2514		3152
		3153	register_exticmd fx_want => sub {
		3154	my ($ns, $want) = @_;
		3155
		3156	while (my ($k, $v) = each %$want) {
		3157	$ns->fx_want ($k, $v);
		3158	}
		3159	};
		3160
2515	sub reload_regions {	3161	sub reload_regions {
		3162	# HACK to clear player env face cache, we need some signal framework
		3163	# for this (global event?)
		3164	%ext::player_env::MUSIC_FACE_CACHE = ();
		3165
2516	load_resource_file "$MAPDIR/regions"	3166	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3167	or die "unable to load regions file\n";
		3168
		3169	for (cf::region::list) {
		3170	$_->{match} = qr/$_->{match}/
		3171	if exists $_->{match};
		3172	}
2518	}	3173	}
2519		3174
2520	sub reload_facedata {	3175	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3176	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3177	or die "unable to load facedata\n";
2523	}	3178	}
2524		3179
2525	sub reload_archetypes {	3180	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	3181	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	3182	or die "unable to load archetypes\n";
		3183	#d# NEED to laod twice to resolve forward references
		3184	# this really needs to be done in an extra post-pass
		3185	# (which needs to be synchronous, so solve it differently)
		3186	load_resource_file "$DATADIR/archetypes"
		3187	or die "unable to load archetypes\n";
2528	}	3188	}
2529		3189
2530	sub reload_treasures {	3190	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3191	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3192	or die "unable to load treasurelists\n";
…		…
2535	sub reload_resources {	3195	sub reload_resources {
2536	warn "reloading resource files...\n";	3196	warn "reloading resource files...\n";
2537		3197
2538	reload_regions;	3198	reload_regions;
2539	reload_facedata;	3199	reload_facedata;
		3200	#reload_archetypes;#d#
2540	reload_archetypes;	3201	reload_archetypes;
2541	reload_treasures;	3202	reload_treasures;
2542		3203
2543	warn "finished reloading resource files\n";	3204	warn "finished reloading resource files\n";
2544	}	3205	}
2545		3206
2546	sub init {	3207	sub init {
2547	reload_resources;	3208	reload_resources;
2548	}	3209	}
2549		3210
2550	sub cfg_load {	3211	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3212	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3213	or return;
2553		3214
2554	local $/;	3215	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3216	*CFG = YAML::Syck::Load <$fh>;
…		…
2571	sub main {	3232	sub main {
2572	# we must not ever block the main coroutine	3233	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3234	local $Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3236	(async {
		3237	$Coro::current->{desc} = "IDLE BUG HANDLER";
2576	Event::one_event;	3238	Event::one_event;
2577	})->prio (Coro::PRIO_MAX);	3239	})->prio (Coro::PRIO_MAX);
2578	};	3240	};
2579		3241
2580	cfg_load;	3242	reload_config;
2581	db_init;	3243	db_init;
2582	load_extensions;	3244	load_extensions;
2583		3245
2584	$TICK_WATCHER->start;	3246	$TICK_WATCHER->start;
2585	Event::loop;	3247	Event::loop;
…		…
2601	},	3263	},
2602	);	3264	);
2603	}	3265	}
2604	}	3266	}
2605		3267
		3268	sub write_runtime {
		3269	my $runtime = "$LOCALDIR/runtime";
		3270
		3271	# first touch the runtime file to show we are still running:
		3272	# the fsync below can take a very very long time.
		3273
		3274	IO::AIO::aio_utime $runtime, undef, undef;
		3275
		3276	my $guard = cf::lock_acquire "write_runtime";
		3277
		3278	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3279	or return;
		3280
		3281	my $value = $cf::RUNTIME + 90 + 10;
		3282	# 10 is the runtime save interval, for a monotonic clock
		3283	# 60 allows for the watchdog to kill the server.
		3284
		3285	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3286	and return;
		3287
		3288	# always fsync - this file is important
		3289	aio_fsync $fh
		3290	and return;
		3291
		3292	# touch it again to show we are up-to-date
		3293	aio_utime $fh, undef, undef;
		3294
		3295	close $fh
		3296	or return;
		3297
		3298	aio_rename "$runtime~", $runtime
		3299	and return;
		3300
		3301	warn "runtime file written.\n";
		3302
		3303	1
		3304	}
		3305
2606	sub emergency_save() {	3306	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3307	my $freeze_guard = cf::freeze_mainloop;
2608		3308
2609	warn "enter emergency perl save\n";	3309	warn "enter emergency perl save\n";
2610		3310
…		…
2614	# and maps saved/destroyed asynchronously.	3314	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3315	warn "begin emergency player save\n";
2616	for my $login (keys %cf::PLAYER) {	3316	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3317	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3318	$pl->valid or next;
		3319	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3320	$pl->save;
2620	}	3321	}
2621	warn "end emergency player save\n";	3322	warn "end emergency player save\n";
2622		3323
2623	warn "begin emergency map save\n";	3324	warn "begin emergency map save\n";
…		…
2671		3372
2672	warn "flushing outstanding aio requests";	3373	warn "flushing outstanding aio requests";
2673	for (;;) {	3374	for (;;) {
2674	BDB::flush;	3375	BDB::flush;
2675	IO::AIO::flush;	3376	IO::AIO::flush;
2676	Coro::cede;	3377	Coro::cede_notself;
2677	last unless IO::AIO::nreqs || BDB::nreqs;	3378	last unless IO::AIO::nreqs || BDB::nreqs;
2678	warn "iterate...";	3379	warn "iterate...";
2679	}	3380	}
2680		3381
2681	++$RELOAD;	3382	++$RELOAD;
…		…
2685	%EXT_CORO = ();	3386	%EXT_CORO = ();
2686		3387
2687	warn "removing commands";	3388	warn "removing commands";
2688	%COMMAND = ();	3389	%COMMAND = ();
2689		3390
2690	warn "removing ext commands";	3391	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3392	%EXTCMD = ();
		3393	%EXTICMD = ();
2692		3394
2693	warn "unloading/nuking all extensions";	3395	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3396	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3397	warn "... unloading $pkg";
2696		3398
…		…
2739	warn "reloading cf.pm";	3441	warn "reloading cf.pm";
2740	require cf;	3442	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3443	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3444
2743	warn "loading config and database again";	3445	warn "loading config and database again";
2744	cf::cfg_load;	3446	cf::reload_config;
2745		3447
2746	warn "loading extensions";	3448	warn "loading extensions";
2747	cf::load_extensions;	3449	cf::load_extensions;
2748		3450
2749	warn "reattaching attachments to objects/players";	3451	warn "reattaching attachments to objects/players";
…		…
2785	register_command "reload" => sub {	3487	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3488	my ($who, $arg) = @_;
2787		3489
2788	if ($who->flag (FLAG_WIZ)) {	3490	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3491	$who->message ("reloading server.");
		3492	async {
		3493	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3494	reload_perl;
		3495	};
2791	}	3496	}
2792	};	3497	};
2793		3498
2794	unshift @INC, $LIBDIR;	3499	unshift @INC, $LIBDIR;
2795		3500
…		…
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3532	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3533	unless ++$bug_warning > 10;
2829	return;	3534	return;
2830	}	3535	}
2831		3536
2832	$NOW = Event::time;	3537	$NOW = $tick_start = Event::time;
2833		3538
2834	cf::server_tick; # one server iteration	3539	cf::server_tick; # one server iteration
2835		3540
2836	$RUNTIME += $TICK;	3541	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;	3542	$NEXT_TICK += $TICK;
2838		3543
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	3545	$NEXT_RUNTIME_WRITE = $NOW + 10;
2841	Coro::async_pool {	3546	Coro::async_pool {
		3547	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	3548	write_runtime
2843	or warn "ERROR: unable to write runtime file: $!";	3549	or warn "ERROR: unable to write runtime file: $!";
2844	};	3550	};
2845	}	3551	}
2846		3552
2847	# my $AFTER = Event::time;	3553	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2848	# warn $AFTER - $NOW;#d#	3554	$sig->send;
		3555	}
		3556	while (my $sig = shift @WAIT_FOR_TICK) {
		3557	$sig->send;
		3558	}
		3559
		3560	$NOW = Event::time;
2849		3561
2850	# if we are delayed by four ticks or more, skip them all	3562	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3563	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2852		3564
2853	$TICK_WATCHER->at ($NEXT_TICK);	3565	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;	3566	$TICK_WATCHER->start;
2855		3567
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3568	$LOAD = ($NOW - $tick_start) / $TICK;
2857	$sig->send;	3569	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2858	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;
2861	}
2862		3570
2863	_post_tick;	3571	_post_tick;
2864	},	3572	},
2865	);	3573	);
2866		3574
2867	{	3575	{
		3576	BDB::min_parallel 8;
2868	BDB::max_poll_time $TICK * 0.1;	3577	BDB::max_poll_time $TICK * 0.1;
2869	$BDB_POLL_WATCHER = Event->io (	3578	$BDB_POLL_WATCHER = Event->io (
2870	reentrant => 0,	3579	reentrant => 0,
2871	fd => BDB::poll_fileno,	3580	fd => BDB::poll_fileno,
2872	poll => 'r',	3581	poll => 'r',
2873	prio => 0,	3582	prio => 0,
2874	data => WF_AUTOCANCEL,	3583	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,	3584	cb => \&BDB::poll_cb,
2876	);	3585	);
2877	BDB::min_parallel 8;
2878		3586
2879	BDB::set_sync_prepare {	3587	BDB::set_sync_prepare {
2880	my $status;	3588	my $status;
2881	my $current = $Coro::current;	3589	my $current = $Coro::current;
2882	(	3590	(
…		…
2891	)	3599	)
2892	};	3600	};
2893		3601
2894	unless ($DB_ENV) {	3602	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	3603	$DB_ENV = BDB::db_env_create;
		3604	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3605	| BDB::LOG_AUTOREMOVE, 1);
		3606	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3607	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		3608
2897	cf::sync_job {	3609	cf::sync_job {
2898	eval {	3610	eval {
2899	BDB::db_env_open	3611	BDB::db_env_open
2900	$DB_ENV,	3612	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3614	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3615	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	3616	0666;
2905		3617
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3618	cf::cleanup "db_env_open($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	};	3619	};
2911		3620
2912	cf::cleanup "db_env_open(db): $@" if $@;	3621	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	3622	};
2914	}	3623	}
		3624
		3625	$BDB_DEADLOCK_WATCHER = Event->timer (
		3626	after => 3,
		3627	interval => 1,
		3628	hard => 1,
		3629	prio => 0,
		3630	data => WF_AUTOCANCEL,
		3631	cb => sub {
		3632	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3633	},
		3634	);
		3635	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3636	after => 11,
		3637	interval => 60,
		3638	hard => 1,
		3639	prio => 0,
		3640	data => WF_AUTOCANCEL,
		3641	cb => sub {
		3642	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3643	},
		3644	);
		3645	$BDB_TRICKLE_WATCHER = Event->timer (
		3646	after => 5,
		3647	interval => 10,
		3648	hard => 1,
		3649	prio => 0,
		3650	data => WF_AUTOCANCEL,
		3651	cb => sub {
		3652	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3653	},
		3654	);
2915	}	3655	}
2916		3656
2917	{	3657	{
2918	IO::AIO::min_parallel 8;	3658	IO::AIO::min_parallel 8;
2919		3659
…		…
2922	$AIO_POLL_WATCHER = Event->io (	3662	$AIO_POLL_WATCHER = Event->io (
2923	reentrant => 0,	3663	reentrant => 0,
2924	data => WF_AUTOCANCEL,	3664	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,	3665	fd => IO::AIO::poll_fileno,
2926	poll => 'r',	3666	poll => 'r',
2927	prio => 6,	3667	prio => 0,
2928	cb => \&IO::AIO::poll_cb,	3668	cb => \&IO::AIO::poll_cb,
2929	);	3669	);
2930	}	3670	}
2931		3671
2932	my $_log_backtrace;	3672	my $_log_backtrace;
…		…
2938		3678
2939	# limit the # of concurrent backtraces	3679	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	3680	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	3681	++$_log_backtrace;
2942	async {	3682	async {
		3683	$Coro::current->{desc} = "abt $msg";
		3684
2943	my @bt = fork_call {	3685	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	3686	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3687	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3688	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	3689	or die "addr2line: $!";

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines